Completed
Pull Request — master (#9293)
by Blizzz
31:50 queued 12:06
created
lib/private/App/AppStore/Fetcher/AppFetcher.php 1 patch
Indentation   +106 added lines, -106 removed lines patch added patch discarded remove patch
@@ -37,119 +37,119 @@
 block discarded – undo
37 37
 
38 38
 class AppFetcher extends Fetcher {
39 39
 
40
-	/** @var CompareVersion */
41
-	private $compareVersion;
40
+    /** @var CompareVersion */
41
+    private $compareVersion;
42 42
 
43
-	/**
44
-	 * @param Factory $appDataFactory
45
-	 * @param IClientService $clientService
46
-	 * @param ITimeFactory $timeFactory
47
-	 * @param IConfig $config
48
-	 * @param CompareVersion $compareVersion
49
-	 * @param ILogger $logger
50
-	 */
51
-	public function __construct(Factory $appDataFactory,
52
-								IClientService $clientService,
53
-								ITimeFactory $timeFactory,
54
-								IConfig $config,
55
-								CompareVersion $compareVersion,
56
-								ILogger $logger) {
57
-		parent::__construct(
58
-			$appDataFactory,
59
-			$clientService,
60
-			$timeFactory,
61
-			$config,
62
-			$logger
63
-		);
43
+    /**
44
+     * @param Factory $appDataFactory
45
+     * @param IClientService $clientService
46
+     * @param ITimeFactory $timeFactory
47
+     * @param IConfig $config
48
+     * @param CompareVersion $compareVersion
49
+     * @param ILogger $logger
50
+     */
51
+    public function __construct(Factory $appDataFactory,
52
+                                IClientService $clientService,
53
+                                ITimeFactory $timeFactory,
54
+                                IConfig $config,
55
+                                CompareVersion $compareVersion,
56
+                                ILogger $logger) {
57
+        parent::__construct(
58
+            $appDataFactory,
59
+            $clientService,
60
+            $timeFactory,
61
+            $config,
62
+            $logger
63
+        );
64 64
 
65
-		$this->fileName = 'apps.json';
66
-		$this->setEndpoint();
67
-		$this->compareVersion = $compareVersion;
68
-	}
65
+        $this->fileName = 'apps.json';
66
+        $this->setEndpoint();
67
+        $this->compareVersion = $compareVersion;
68
+    }
69 69
 
70
-	/**
71
-	 * Only returns the latest compatible app release in the releases array
72
-	 *
73
-	 * @param string $ETag
74
-	 * @param string $content
75
-	 *
76
-	 * @return array
77
-	 */
78
-	protected function fetch($ETag, $content) {
79
-		/** @var mixed[] $response */
80
-		$response = parent::fetch($ETag, $content);
70
+    /**
71
+     * Only returns the latest compatible app release in the releases array
72
+     *
73
+     * @param string $ETag
74
+     * @param string $content
75
+     *
76
+     * @return array
77
+     */
78
+    protected function fetch($ETag, $content) {
79
+        /** @var mixed[] $response */
80
+        $response = parent::fetch($ETag, $content);
81 81
 
82
-		foreach($response['data'] as $dataKey => $app) {
83
-			$releases = [];
82
+        foreach($response['data'] as $dataKey => $app) {
83
+            $releases = [];
84 84
 
85
-			// Filter all compatible releases
86
-			foreach($app['releases'] as $release) {
87
-				// Exclude all nightly and pre-releases
88
-				if($release['isNightly'] === false
89
-					&& strpos($release['version'], '-') === false) {
90
-					// Exclude all versions not compatible with the current version
91
-					try {
92
-						$versionParser = new VersionParser();
93
-						$version = $versionParser->getVersion($release['rawPlatformVersionSpec']);
94
-						$ncVersion = $this->getVersion();
95
-						$min = $version->getMinimumVersion();
96
-						$max = $version->getMaximumVersion();
97
-						$minFulfilled = $this->compareVersion->isCompatible($ncVersion, $min, '>=');
98
-						$maxFulfilled = $max !== '' &&
99
-							$this->compareVersion->isCompatible($ncVersion, $max, '<=');
100
-						if ($minFulfilled && $maxFulfilled) {
101
-							$releases[] = $release;
102
-						}
103
-					} catch (\InvalidArgumentException $e) {
104
-						$this->logger->logException($e, ['app' => 'appstoreFetcher', 'level' => ILogger::WARN]);
105
-					}
106
-				}
107
-			}
85
+            // Filter all compatible releases
86
+            foreach($app['releases'] as $release) {
87
+                // Exclude all nightly and pre-releases
88
+                if($release['isNightly'] === false
89
+                    && strpos($release['version'], '-') === false) {
90
+                    // Exclude all versions not compatible with the current version
91
+                    try {
92
+                        $versionParser = new VersionParser();
93
+                        $version = $versionParser->getVersion($release['rawPlatformVersionSpec']);
94
+                        $ncVersion = $this->getVersion();
95
+                        $min = $version->getMinimumVersion();
96
+                        $max = $version->getMaximumVersion();
97
+                        $minFulfilled = $this->compareVersion->isCompatible($ncVersion, $min, '>=');
98
+                        $maxFulfilled = $max !== '' &&
99
+                            $this->compareVersion->isCompatible($ncVersion, $max, '<=');
100
+                        if ($minFulfilled && $maxFulfilled) {
101
+                            $releases[] = $release;
102
+                        }
103
+                    } catch (\InvalidArgumentException $e) {
104
+                        $this->logger->logException($e, ['app' => 'appstoreFetcher', 'level' => ILogger::WARN]);
105
+                    }
106
+                }
107
+            }
108 108
 
109
-			// Get the highest version
110
-			$versions = [];
111
-			foreach($releases as $release) {
112
-				$versions[] = $release['version'];
113
-			}
114
-			usort($versions, 'version_compare');
115
-			$versions = array_reverse($versions);
116
-			$compatible = false;
117
-			if(isset($versions[0])) {
118
-				$highestVersion = $versions[0];
119
-				foreach ($releases as $release) {
120
-					if ((string)$release['version'] === (string)$highestVersion) {
121
-						$compatible = true;
122
-						$response['data'][$dataKey]['releases'] = [$release];
123
-						break;
124
-					}
125
-				}
126
-			}
127
-			if(!$compatible) {
128
-				unset($response['data'][$dataKey]);
129
-			}
130
-		}
109
+            // Get the highest version
110
+            $versions = [];
111
+            foreach($releases as $release) {
112
+                $versions[] = $release['version'];
113
+            }
114
+            usort($versions, 'version_compare');
115
+            $versions = array_reverse($versions);
116
+            $compatible = false;
117
+            if(isset($versions[0])) {
118
+                $highestVersion = $versions[0];
119
+                foreach ($releases as $release) {
120
+                    if ((string)$release['version'] === (string)$highestVersion) {
121
+                        $compatible = true;
122
+                        $response['data'][$dataKey]['releases'] = [$release];
123
+                        break;
124
+                    }
125
+                }
126
+            }
127
+            if(!$compatible) {
128
+                unset($response['data'][$dataKey]);
129
+            }
130
+        }
131 131
 
132
-		$response['data'] = array_values($response['data']);
133
-		return $response;
134
-	}
132
+        $response['data'] = array_values($response['data']);
133
+        return $response;
134
+    }
135 135
 
136
-	private function setEndpoint() {
137
-		$versionArray = explode('.', $this->getVersion());
138
-		$this->endpointUrl = sprintf(
139
-			'https://apps.nextcloud.com/api/v1/platform/%d.%d.%d/apps.json',
140
-			$versionArray[0],
141
-			$versionArray[1],
142
-			$versionArray[2]
143
-		);
144
-	}
136
+    private function setEndpoint() {
137
+        $versionArray = explode('.', $this->getVersion());
138
+        $this->endpointUrl = sprintf(
139
+            'https://apps.nextcloud.com/api/v1/platform/%d.%d.%d/apps.json',
140
+            $versionArray[0],
141
+            $versionArray[1],
142
+            $versionArray[2]
143
+        );
144
+    }
145 145
 
146
-	/**
147
-	 * @param string $version
148
-	 * @param string $fileName
149
-	 */
150
-	public function setVersion(string $version, string $fileName = 'apps.json') {
151
-		parent::setVersion($version);
152
-		$this->fileName = $fileName;
153
-		$this->setEndpoint();
154
-	}
146
+    /**
147
+     * @param string $version
148
+     * @param string $fileName
149
+     */
150
+    public function setVersion(string $version, string $fileName = 'apps.json') {
151
+        parent::setVersion($version);
152
+        $this->fileName = $fileName;
153
+        $this->setEndpoint();
154
+    }
155 155
 }
Please login to merge, or discard this patch.
lib/private/CapabilitiesManager.php 1 patch
Indentation   +47 added lines, -47 removed lines patch added patch discarded remove patch
@@ -32,58 +32,58 @@
 block discarded – undo
32 32
 
33 33
 class CapabilitiesManager {
34 34
 
35
-	/** @var \Closure[] */
36
-	private $capabilities = array();
35
+    /** @var \Closure[] */
36
+    private $capabilities = array();
37 37
 
38
-	/** @var ILogger */
39
-	private $logger;
38
+    /** @var ILogger */
39
+    private $logger;
40 40
 
41
-	public function __construct(ILogger $logger) {
42
-		$this->logger = $logger;
43
-	}
41
+    public function __construct(ILogger $logger) {
42
+        $this->logger = $logger;
43
+    }
44 44
 
45
-	/**
46
-	 * Get an array of al the capabilities that are registered at this manager
45
+    /**
46
+     * Get an array of al the capabilities that are registered at this manager
47 47
      *
48
-	 * @param bool $public get public capabilities only
49
-	 * @throws \InvalidArgumentException
50
-	 * @return array
51
-	 */
52
-	public function getCapabilities(bool $public = false) : array {
53
-		$capabilities = [];
54
-		foreach($this->capabilities as $capability) {
55
-			try {
56
-				$c = $capability();
57
-			} catch (QueryException $e) {
58
-				$this->logger->logException($e, [
59
-					'message' => 'CapabilitiesManager',
60
-					'level' => ILogger::ERROR,
61
-					'app' => 'core',
62
-				]);
63
-				continue;
64
-			}
48
+     * @param bool $public get public capabilities only
49
+     * @throws \InvalidArgumentException
50
+     * @return array
51
+     */
52
+    public function getCapabilities(bool $public = false) : array {
53
+        $capabilities = [];
54
+        foreach($this->capabilities as $capability) {
55
+            try {
56
+                $c = $capability();
57
+            } catch (QueryException $e) {
58
+                $this->logger->logException($e, [
59
+                    'message' => 'CapabilitiesManager',
60
+                    'level' => ILogger::ERROR,
61
+                    'app' => 'core',
62
+                ]);
63
+                continue;
64
+            }
65 65
 
66
-			if ($c instanceof ICapability) {
67
-				if(!$public || $c instanceof IPublicCapability) {
68
-					$capabilities = array_replace_recursive($capabilities, $c->getCapabilities());
69
-				}
70
-			} else {
71
-				throw new \InvalidArgumentException('The given Capability (' . get_class($c) . ') does not implement the ICapability interface');
72
-			}
73
-		}
66
+            if ($c instanceof ICapability) {
67
+                if(!$public || $c instanceof IPublicCapability) {
68
+                    $capabilities = array_replace_recursive($capabilities, $c->getCapabilities());
69
+                }
70
+            } else {
71
+                throw new \InvalidArgumentException('The given Capability (' . get_class($c) . ') does not implement the ICapability interface');
72
+            }
73
+        }
74 74
 
75
-		return $capabilities;
76
-	}
75
+        return $capabilities;
76
+    }
77 77
 
78
-	/**
79
-	 * In order to improve lazy loading a closure can be registered which will be called in case
80
-	 * capabilities are actually requested
81
-	 *
82
-	 * $callable has to return an instance of OCP\Capabilities\ICapability
83
-	 *
84
-	 * @param \Closure $callable
85
-	 */
86
-	public function registerCapability(\Closure $callable) {
87
-		$this->capabilities[] = $callable;
88
-	}
78
+    /**
79
+     * In order to improve lazy loading a closure can be registered which will be called in case
80
+     * capabilities are actually requested
81
+     *
82
+     * $callable has to return an instance of OCP\Capabilities\ICapability
83
+     *
84
+     * @param \Closure $callable
85
+     */
86
+    public function registerCapability(\Closure $callable) {
87
+        $this->capabilities[] = $callable;
88
+    }
89 89
 }
Please login to merge, or discard this patch.
lib/private/Files/ObjectStore/S3ConnectionTrait.php 2 patches
Indentation   +112 added lines, -112 removed lines patch added patch discarded remove patch
@@ -30,116 +30,116 @@
 block discarded – undo
30 30
 use OCP\ILogger;
31 31
 
32 32
 trait S3ConnectionTrait {
33
-	/** @var array */
34
-	protected $params;
35
-
36
-	/** @var S3Client */
37
-	protected $connection;
38
-
39
-	/** @var string */
40
-	protected $id;
41
-
42
-	/** @var string */
43
-	protected $bucket;
44
-
45
-	/** @var int */
46
-	protected $timeout;
47
-
48
-	protected $test;
49
-
50
-	protected function parseParams($params) {
51
-		if (empty($params['key']) || empty($params['secret']) || empty($params['bucket'])) {
52
-			throw new \Exception("Access Key, Secret and Bucket have to be configured.");
53
-		}
54
-
55
-		$this->id = 'amazon::' . $params['bucket'];
56
-
57
-		$this->test = isset($params['test']);
58
-		$this->bucket = $params['bucket'];
59
-		$this->timeout = !isset($params['timeout']) ? 15 : $params['timeout'];
60
-		$params['region'] = empty($params['region']) ? 'eu-west-1' : $params['region'];
61
-		$params['hostname'] = empty($params['hostname']) ? 's3.' . $params['region'] . '.amazonaws.com' : $params['hostname'];
62
-		if (!isset($params['port']) || $params['port'] === '') {
63
-			$params['port'] = (isset($params['use_ssl']) && $params['use_ssl'] === false) ? 80 : 443;
64
-		}
65
-		$this->params = $params;
66
-	}
67
-
68
-
69
-	/**
70
-	 * Returns the connection
71
-	 *
72
-	 * @return S3Client connected client
73
-	 * @throws \Exception if connection could not be made
74
-	 */
75
-	protected function getConnection() {
76
-		if (!is_null($this->connection)) {
77
-			return $this->connection;
78
-		}
79
-
80
-		$scheme = (isset($this->params['use_ssl']) && $this->params['use_ssl'] === false) ? 'http' : 'https';
81
-		$base_url = $scheme . '://' . $this->params['hostname'] . ':' . $this->params['port'] . '/';
82
-
83
-		$options = [
84
-			'version' => isset($this->params['version']) ? $this->params['version'] : 'latest',
85
-			'credentials' => [
86
-				'key' => $this->params['key'],
87
-				'secret' => $this->params['secret'],
88
-			],
89
-			'endpoint' => $base_url,
90
-			'region' => $this->params['region'],
91
-			'use_path_style_endpoint' => isset($this->params['use_path_style']) ? $this->params['use_path_style'] : false,
92
-			'signature_provider' => \Aws\or_chain([self::class, 'legacySignatureProvider'], ClientResolver::_default_signature_provider())
93
-		];
94
-		if (isset($this->params['proxy'])) {
95
-			$options['request.options'] = ['proxy' => $this->params['proxy']];
96
-		}
97
-		if (isset($this->params['legacy_auth']) && $this->params['legacy_auth']) {
98
-			$options['signature_version'] = 'v2';
99
-		}
100
-		$this->connection = new S3Client($options);
101
-
102
-		if (!$this->connection->isBucketDnsCompatible($this->bucket)) {
103
-			throw new \Exception("The configured bucket name is invalid: " . $this->bucket);
104
-		}
105
-
106
-		if (!$this->connection->doesBucketExist($this->bucket)) {
107
-			$logger = \OC::$server->getLogger();
108
-			try {
109
-				$logger->info('Bucket "' . $this->bucket . '" does not exist - creating it.', ['app' => 'objectstore']);
110
-				$this->connection->createBucket(array(
111
-					'Bucket' => $this->bucket
112
-				));
113
-				$this->testTimeout();
114
-			} catch (S3Exception $e) {
115
-				$logger->logException($e, [
116
-					'message' => 'Invalid remote storage.',
117
-					'level' => ILogger::DEBUG,
118
-					'app' => 'objectstore',
119
-				]);
120
-				throw new \Exception('Creation of bucket "' . $this->bucket . '" failed. ' . $e->getMessage());
121
-			}
122
-		}
123
-
124
-		return $this->connection;
125
-	}
126
-
127
-	/**
128
-	 * when running the tests wait to let the buckets catch up
129
-	 */
130
-	private function testTimeout() {
131
-		if ($this->test) {
132
-			sleep($this->timeout);
133
-		}
134
-	}
135
-
136
-	public static function legacySignatureProvider($version, $service, $region) {
137
-		switch ($version) {
138
-			case 'v2':
139
-			case 's3':
140
-				return new S3Signature();
141
-			default:
142
-				return null;
143
-		}
144
-	}
33
+    /** @var array */
34
+    protected $params;
35
+
36
+    /** @var S3Client */
37
+    protected $connection;
38
+
39
+    /** @var string */
40
+    protected $id;
41
+
42
+    /** @var string */
43
+    protected $bucket;
44
+
45
+    /** @var int */
46
+    protected $timeout;
47
+
48
+    protected $test;
49
+
50
+    protected function parseParams($params) {
51
+        if (empty($params['key']) || empty($params['secret']) || empty($params['bucket'])) {
52
+            throw new \Exception("Access Key, Secret and Bucket have to be configured.");
53
+        }
54
+
55
+        $this->id = 'amazon::' . $params['bucket'];
56
+
57
+        $this->test = isset($params['test']);
58
+        $this->bucket = $params['bucket'];
59
+        $this->timeout = !isset($params['timeout']) ? 15 : $params['timeout'];
60
+        $params['region'] = empty($params['region']) ? 'eu-west-1' : $params['region'];
61
+        $params['hostname'] = empty($params['hostname']) ? 's3.' . $params['region'] . '.amazonaws.com' : $params['hostname'];
62
+        if (!isset($params['port']) || $params['port'] === '') {
63
+            $params['port'] = (isset($params['use_ssl']) && $params['use_ssl'] === false) ? 80 : 443;
64
+        }
65
+        $this->params = $params;
66
+    }
67
+
68
+
69
+    /**
70
+     * Returns the connection
71
+     *
72
+     * @return S3Client connected client
73
+     * @throws \Exception if connection could not be made
74
+     */
75
+    protected function getConnection() {
76
+        if (!is_null($this->connection)) {
77
+            return $this->connection;
78
+        }
79
+
80
+        $scheme = (isset($this->params['use_ssl']) && $this->params['use_ssl'] === false) ? 'http' : 'https';
81
+        $base_url = $scheme . '://' . $this->params['hostname'] . ':' . $this->params['port'] . '/';
82
+
83
+        $options = [
84
+            'version' => isset($this->params['version']) ? $this->params['version'] : 'latest',
85
+            'credentials' => [
86
+                'key' => $this->params['key'],
87
+                'secret' => $this->params['secret'],
88
+            ],
89
+            'endpoint' => $base_url,
90
+            'region' => $this->params['region'],
91
+            'use_path_style_endpoint' => isset($this->params['use_path_style']) ? $this->params['use_path_style'] : false,
92
+            'signature_provider' => \Aws\or_chain([self::class, 'legacySignatureProvider'], ClientResolver::_default_signature_provider())
93
+        ];
94
+        if (isset($this->params['proxy'])) {
95
+            $options['request.options'] = ['proxy' => $this->params['proxy']];
96
+        }
97
+        if (isset($this->params['legacy_auth']) && $this->params['legacy_auth']) {
98
+            $options['signature_version'] = 'v2';
99
+        }
100
+        $this->connection = new S3Client($options);
101
+
102
+        if (!$this->connection->isBucketDnsCompatible($this->bucket)) {
103
+            throw new \Exception("The configured bucket name is invalid: " . $this->bucket);
104
+        }
105
+
106
+        if (!$this->connection->doesBucketExist($this->bucket)) {
107
+            $logger = \OC::$server->getLogger();
108
+            try {
109
+                $logger->info('Bucket "' . $this->bucket . '" does not exist - creating it.', ['app' => 'objectstore']);
110
+                $this->connection->createBucket(array(
111
+                    'Bucket' => $this->bucket
112
+                ));
113
+                $this->testTimeout();
114
+            } catch (S3Exception $e) {
115
+                $logger->logException($e, [
116
+                    'message' => 'Invalid remote storage.',
117
+                    'level' => ILogger::DEBUG,
118
+                    'app' => 'objectstore',
119
+                ]);
120
+                throw new \Exception('Creation of bucket "' . $this->bucket . '" failed. ' . $e->getMessage());
121
+            }
122
+        }
123
+
124
+        return $this->connection;
125
+    }
126
+
127
+    /**
128
+     * when running the tests wait to let the buckets catch up
129
+     */
130
+    private function testTimeout() {
131
+        if ($this->test) {
132
+            sleep($this->timeout);
133
+        }
134
+    }
135
+
136
+    public static function legacySignatureProvider($version, $service, $region) {
137
+        switch ($version) {
138
+            case 'v2':
139
+            case 's3':
140
+                return new S3Signature();
141
+            default:
142
+                return null;
143
+        }
144
+    }
145 145
 }
Please login to merge, or discard this patch.
Spacing   +6 added lines, -6 removed lines patch added patch discarded remove patch
@@ -52,13 +52,13 @@  discard block
 block discarded – undo
52 52
 			throw new \Exception("Access Key, Secret and Bucket have to be configured.");
53 53
 		}
54 54
 
55
-		$this->id = 'amazon::' . $params['bucket'];
55
+		$this->id = 'amazon::'.$params['bucket'];
56 56
 
57 57
 		$this->test = isset($params['test']);
58 58
 		$this->bucket = $params['bucket'];
59 59
 		$this->timeout = !isset($params['timeout']) ? 15 : $params['timeout'];
60 60
 		$params['region'] = empty($params['region']) ? 'eu-west-1' : $params['region'];
61
-		$params['hostname'] = empty($params['hostname']) ? 's3.' . $params['region'] . '.amazonaws.com' : $params['hostname'];
61
+		$params['hostname'] = empty($params['hostname']) ? 's3.'.$params['region'].'.amazonaws.com' : $params['hostname'];
62 62
 		if (!isset($params['port']) || $params['port'] === '') {
63 63
 			$params['port'] = (isset($params['use_ssl']) && $params['use_ssl'] === false) ? 80 : 443;
64 64
 		}
@@ -78,7 +78,7 @@  discard block
 block discarded – undo
78 78
 		}
79 79
 
80 80
 		$scheme = (isset($this->params['use_ssl']) && $this->params['use_ssl'] === false) ? 'http' : 'https';
81
-		$base_url = $scheme . '://' . $this->params['hostname'] . ':' . $this->params['port'] . '/';
81
+		$base_url = $scheme.'://'.$this->params['hostname'].':'.$this->params['port'].'/';
82 82
 
83 83
 		$options = [
84 84
 			'version' => isset($this->params['version']) ? $this->params['version'] : 'latest',
@@ -100,13 +100,13 @@  discard block
 block discarded – undo
100 100
 		$this->connection = new S3Client($options);
101 101
 
102 102
 		if (!$this->connection->isBucketDnsCompatible($this->bucket)) {
103
-			throw new \Exception("The configured bucket name is invalid: " . $this->bucket);
103
+			throw new \Exception("The configured bucket name is invalid: ".$this->bucket);
104 104
 		}
105 105
 
106 106
 		if (!$this->connection->doesBucketExist($this->bucket)) {
107 107
 			$logger = \OC::$server->getLogger();
108 108
 			try {
109
-				$logger->info('Bucket "' . $this->bucket . '" does not exist - creating it.', ['app' => 'objectstore']);
109
+				$logger->info('Bucket "'.$this->bucket.'" does not exist - creating it.', ['app' => 'objectstore']);
110 110
 				$this->connection->createBucket(array(
111 111
 					'Bucket' => $this->bucket
112 112
 				));
@@ -117,7 +117,7 @@  discard block
 block discarded – undo
117 117
 					'level' => ILogger::DEBUG,
118 118
 					'app' => 'objectstore',
119 119
 				]);
120
-				throw new \Exception('Creation of bucket "' . $this->bucket . '" failed. ' . $e->getMessage());
120
+				throw new \Exception('Creation of bucket "'.$this->bucket.'" failed. '.$e->getMessage());
121 121
 			}
122 122
 		}
123 123
 
Please login to merge, or discard this patch.
lib/private/Files/Filesystem.php 2 patches
Indentation   +853 added lines, -853 removed lines patch added patch discarded remove patch
@@ -70,857 +70,857 @@
 block discarded – undo
70 70
 
71 71
 class Filesystem {
72 72
 
73
-	/**
74
-	 * @var Mount\Manager $mounts
75
-	 */
76
-	private static $mounts;
77
-
78
-	public static $loaded = false;
79
-	/**
80
-	 * @var \OC\Files\View $defaultInstance
81
-	 */
82
-	static private $defaultInstance;
83
-
84
-	static private $usersSetup = array();
85
-
86
-	static private $normalizedPathCache = null;
87
-
88
-	static private $listeningForProviders = false;
89
-
90
-	/**
91
-	 * classname which used for hooks handling
92
-	 * used as signalclass in OC_Hooks::emit()
93
-	 */
94
-	const CLASSNAME = 'OC_Filesystem';
95
-
96
-	/**
97
-	 * signalname emitted before file renaming
98
-	 *
99
-	 * @param string $oldpath
100
-	 * @param string $newpath
101
-	 */
102
-	const signal_rename = 'rename';
103
-
104
-	/**
105
-	 * signal emitted after file renaming
106
-	 *
107
-	 * @param string $oldpath
108
-	 * @param string $newpath
109
-	 */
110
-	const signal_post_rename = 'post_rename';
111
-
112
-	/**
113
-	 * signal emitted before file/dir creation
114
-	 *
115
-	 * @param string $path
116
-	 * @param bool $run changing this flag to false in hook handler will cancel event
117
-	 */
118
-	const signal_create = 'create';
119
-
120
-	/**
121
-	 * signal emitted after file/dir creation
122
-	 *
123
-	 * @param string $path
124
-	 * @param bool $run changing this flag to false in hook handler will cancel event
125
-	 */
126
-	const signal_post_create = 'post_create';
127
-
128
-	/**
129
-	 * signal emits before file/dir copy
130
-	 *
131
-	 * @param string $oldpath
132
-	 * @param string $newpath
133
-	 * @param bool $run changing this flag to false in hook handler will cancel event
134
-	 */
135
-	const signal_copy = 'copy';
136
-
137
-	/**
138
-	 * signal emits after file/dir copy
139
-	 *
140
-	 * @param string $oldpath
141
-	 * @param string $newpath
142
-	 */
143
-	const signal_post_copy = 'post_copy';
144
-
145
-	/**
146
-	 * signal emits before file/dir save
147
-	 *
148
-	 * @param string $path
149
-	 * @param bool $run changing this flag to false in hook handler will cancel event
150
-	 */
151
-	const signal_write = 'write';
152
-
153
-	/**
154
-	 * signal emits after file/dir save
155
-	 *
156
-	 * @param string $path
157
-	 */
158
-	const signal_post_write = 'post_write';
159
-
160
-	/**
161
-	 * signal emitted before file/dir update
162
-	 *
163
-	 * @param string $path
164
-	 * @param bool $run changing this flag to false in hook handler will cancel event
165
-	 */
166
-	const signal_update = 'update';
167
-
168
-	/**
169
-	 * signal emitted after file/dir update
170
-	 *
171
-	 * @param string $path
172
-	 * @param bool $run changing this flag to false in hook handler will cancel event
173
-	 */
174
-	const signal_post_update = 'post_update';
175
-
176
-	/**
177
-	 * signal emits when reading file/dir
178
-	 *
179
-	 * @param string $path
180
-	 */
181
-	const signal_read = 'read';
182
-
183
-	/**
184
-	 * signal emits when removing file/dir
185
-	 *
186
-	 * @param string $path
187
-	 */
188
-	const signal_delete = 'delete';
189
-
190
-	/**
191
-	 * parameters definitions for signals
192
-	 */
193
-	const signal_param_path = 'path';
194
-	const signal_param_oldpath = 'oldpath';
195
-	const signal_param_newpath = 'newpath';
196
-
197
-	/**
198
-	 * run - changing this flag to false in hook handler will cancel event
199
-	 */
200
-	const signal_param_run = 'run';
201
-
202
-	const signal_create_mount = 'create_mount';
203
-	const signal_delete_mount = 'delete_mount';
204
-	const signal_param_mount_type = 'mounttype';
205
-	const signal_param_users = 'users';
206
-
207
-	/**
208
-	 * @var \OC\Files\Storage\StorageFactory $loader
209
-	 */
210
-	private static $loader;
211
-
212
-	/** @var bool */
213
-	private static $logWarningWhenAddingStorageWrapper = true;
214
-
215
-	/**
216
-	 * @param bool $shouldLog
217
-	 * @return bool previous value
218
-	 * @internal
219
-	 */
220
-	public static function logWarningWhenAddingStorageWrapper($shouldLog) {
221
-		$previousValue = self::$logWarningWhenAddingStorageWrapper;
222
-		self::$logWarningWhenAddingStorageWrapper = (bool) $shouldLog;
223
-		return $previousValue;
224
-	}
225
-
226
-	/**
227
-	 * @param string $wrapperName
228
-	 * @param callable $wrapper
229
-	 * @param int $priority
230
-	 */
231
-	public static function addStorageWrapper($wrapperName, $wrapper, $priority = 50) {
232
-		if (self::$logWarningWhenAddingStorageWrapper) {
233
-			\OC::$server->getLogger()->warning("Storage wrapper '{wrapper}' was not registered via the 'OC_Filesystem - preSetup' hook which could cause potential problems.", [
234
-				'wrapper' => $wrapperName,
235
-				'app' => 'filesystem',
236
-			]);
237
-		}
238
-
239
-		$mounts = self::getMountManager()->getAll();
240
-		if (!self::getLoader()->addStorageWrapper($wrapperName, $wrapper, $priority, $mounts)) {
241
-			// do not re-wrap if storage with this name already existed
242
-			return;
243
-		}
244
-	}
245
-
246
-	/**
247
-	 * Returns the storage factory
248
-	 *
249
-	 * @return \OCP\Files\Storage\IStorageFactory
250
-	 */
251
-	public static function getLoader() {
252
-		if (!self::$loader) {
253
-			self::$loader = new StorageFactory();
254
-		}
255
-		return self::$loader;
256
-	}
257
-
258
-	/**
259
-	 * Returns the mount manager
260
-	 *
261
-	 * @return \OC\Files\Mount\Manager
262
-	 */
263
-	public static function getMountManager($user = '') {
264
-		if (!self::$mounts) {
265
-			\OC_Util::setupFS($user);
266
-		}
267
-		return self::$mounts;
268
-	}
269
-
270
-	/**
271
-	 * get the mountpoint of the storage object for a path
272
-	 * ( note: because a storage is not always mounted inside the fakeroot, the
273
-	 * returned mountpoint is relative to the absolute root of the filesystem
274
-	 * and doesn't take the chroot into account )
275
-	 *
276
-	 * @param string $path
277
-	 * @return string
278
-	 */
279
-	static public function getMountPoint($path) {
280
-		if (!self::$mounts) {
281
-			\OC_Util::setupFS();
282
-		}
283
-		$mount = self::$mounts->find($path);
284
-		if ($mount) {
285
-			return $mount->getMountPoint();
286
-		} else {
287
-			return '';
288
-		}
289
-	}
290
-
291
-	/**
292
-	 * get a list of all mount points in a directory
293
-	 *
294
-	 * @param string $path
295
-	 * @return string[]
296
-	 */
297
-	static public function getMountPoints($path) {
298
-		if (!self::$mounts) {
299
-			\OC_Util::setupFS();
300
-		}
301
-		$result = array();
302
-		$mounts = self::$mounts->findIn($path);
303
-		foreach ($mounts as $mount) {
304
-			$result[] = $mount->getMountPoint();
305
-		}
306
-		return $result;
307
-	}
308
-
309
-	/**
310
-	 * get the storage mounted at $mountPoint
311
-	 *
312
-	 * @param string $mountPoint
313
-	 * @return \OC\Files\Storage\Storage
314
-	 */
315
-	public static function getStorage($mountPoint) {
316
-		if (!self::$mounts) {
317
-			\OC_Util::setupFS();
318
-		}
319
-		$mount = self::$mounts->find($mountPoint);
320
-		return $mount->getStorage();
321
-	}
322
-
323
-	/**
324
-	 * @param string $id
325
-	 * @return Mount\MountPoint[]
326
-	 */
327
-	public static function getMountByStorageId($id) {
328
-		if (!self::$mounts) {
329
-			\OC_Util::setupFS();
330
-		}
331
-		return self::$mounts->findByStorageId($id);
332
-	}
333
-
334
-	/**
335
-	 * @param int $id
336
-	 * @return Mount\MountPoint[]
337
-	 */
338
-	public static function getMountByNumericId($id) {
339
-		if (!self::$mounts) {
340
-			\OC_Util::setupFS();
341
-		}
342
-		return self::$mounts->findByNumericId($id);
343
-	}
344
-
345
-	/**
346
-	 * resolve a path to a storage and internal path
347
-	 *
348
-	 * @param string $path
349
-	 * @return array an array consisting of the storage and the internal path
350
-	 */
351
-	static public function resolvePath($path) {
352
-		if (!self::$mounts) {
353
-			\OC_Util::setupFS();
354
-		}
355
-		$mount = self::$mounts->find($path);
356
-		if ($mount) {
357
-			return array($mount->getStorage(), rtrim($mount->getInternalPath($path), '/'));
358
-		} else {
359
-			return array(null, null);
360
-		}
361
-	}
362
-
363
-	static public function init($user, $root) {
364
-		if (self::$defaultInstance) {
365
-			return false;
366
-		}
367
-		self::getLoader();
368
-		self::$defaultInstance = new View($root);
369
-
370
-		if (!self::$mounts) {
371
-			self::$mounts = \OC::$server->getMountManager();
372
-		}
373
-
374
-		//load custom mount config
375
-		self::initMountPoints($user);
376
-
377
-		self::$loaded = true;
378
-
379
-		return true;
380
-	}
381
-
382
-	static public function initMountManager() {
383
-		if (!self::$mounts) {
384
-			self::$mounts = \OC::$server->getMountManager();
385
-		}
386
-	}
387
-
388
-	/**
389
-	 * Initialize system and personal mount points for a user
390
-	 *
391
-	 * @param string $user
392
-	 * @throws \OC\User\NoUserException if the user is not available
393
-	 */
394
-	public static function initMountPoints($user = '') {
395
-		if ($user == '') {
396
-			$user = \OC_User::getUser();
397
-		}
398
-		if ($user === null || $user === false || $user === '') {
399
-			throw new \OC\User\NoUserException('Attempted to initialize mount points for null user and no user in session');
400
-		}
401
-
402
-		if (isset(self::$usersSetup[$user])) {
403
-			return;
404
-		}
405
-
406
-		self::$usersSetup[$user] = true;
407
-
408
-		$userManager = \OC::$server->getUserManager();
409
-		$userObject = $userManager->get($user);
410
-
411
-		if (is_null($userObject)) {
412
-			\OCP\Util::writeLog('files', ' Backends provided no user object for ' . $user, ILogger::ERROR);
413
-			// reset flag, this will make it possible to rethrow the exception if called again
414
-			unset(self::$usersSetup[$user]);
415
-			throw new \OC\User\NoUserException('Backends provided no user object for ' . $user);
416
-		}
417
-
418
-		$realUid = $userObject->getUID();
419
-		// workaround in case of different casings
420
-		if ($user !== $realUid) {
421
-			$stack = json_encode(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 50));
422
-			\OCP\Util::writeLog('files', 'initMountPoints() called with wrong user casing. This could be a bug. Expected: "' . $realUid . '" got "' . $user . '". Stack: ' . $stack, ILogger::WARN);
423
-			$user = $realUid;
424
-
425
-			// again with the correct casing
426
-			if (isset(self::$usersSetup[$user])) {
427
-				return;
428
-			}
429
-
430
-			self::$usersSetup[$user] = true;
431
-		}
432
-
433
-		if (\OC::$server->getLockdownManager()->canAccessFilesystem()) {
434
-			/** @var \OC\Files\Config\MountProviderCollection $mountConfigManager */
435
-			$mountConfigManager = \OC::$server->getMountProviderCollection();
436
-
437
-			// home mounts are handled seperate since we need to ensure this is mounted before we call the other mount providers
438
-			$homeMount = $mountConfigManager->getHomeMountForUser($userObject);
439
-
440
-			self::getMountManager()->addMount($homeMount);
441
-
442
-			\OC\Files\Filesystem::getStorage($user);
443
-
444
-			// Chance to mount for other storages
445
-			if ($userObject) {
446
-				$mounts = $mountConfigManager->addMountForUser($userObject, self::getMountManager());
447
-				$mounts[] = $homeMount;
448
-				$mountConfigManager->registerMounts($userObject, $mounts);
449
-			}
450
-
451
-			self::listenForNewMountProviders($mountConfigManager, $userManager);
452
-		} else {
453
-			self::getMountManager()->addMount(new MountPoint(
454
-				new NullStorage([]),
455
-				'/' . $user
456
-			));
457
-			self::getMountManager()->addMount(new MountPoint(
458
-				new NullStorage([]),
459
-				'/' . $user . '/files'
460
-			));
461
-		}
462
-		\OC_Hook::emit('OC_Filesystem', 'post_initMountPoints', array('user' => $user));
463
-	}
464
-
465
-	/**
466
-	 * Get mounts from mount providers that are registered after setup
467
-	 *
468
-	 * @param MountProviderCollection $mountConfigManager
469
-	 * @param IUserManager $userManager
470
-	 */
471
-	private static function listenForNewMountProviders(MountProviderCollection $mountConfigManager, IUserManager $userManager) {
472
-		if (!self::$listeningForProviders) {
473
-			self::$listeningForProviders = true;
474
-			$mountConfigManager->listen('\OC\Files\Config', 'registerMountProvider', function (IMountProvider $provider) use ($userManager) {
475
-				foreach (Filesystem::$usersSetup as $user => $setup) {
476
-					$userObject = $userManager->get($user);
477
-					if ($userObject) {
478
-						$mounts = $provider->getMountsForUser($userObject, Filesystem::getLoader());
479
-						array_walk($mounts, array(self::$mounts, 'addMount'));
480
-					}
481
-				}
482
-			});
483
-		}
484
-	}
485
-
486
-	/**
487
-	 * get the default filesystem view
488
-	 *
489
-	 * @return View
490
-	 */
491
-	static public function getView() {
492
-		return self::$defaultInstance;
493
-	}
494
-
495
-	/**
496
-	 * tear down the filesystem, removing all storage providers
497
-	 */
498
-	static public function tearDown() {
499
-		self::clearMounts();
500
-		self::$defaultInstance = null;
501
-	}
502
-
503
-	/**
504
-	 * get the relative path of the root data directory for the current user
505
-	 *
506
-	 * @return string
507
-	 *
508
-	 * Returns path like /admin/files
509
-	 */
510
-	static public function getRoot() {
511
-		if (!self::$defaultInstance) {
512
-			return null;
513
-		}
514
-		return self::$defaultInstance->getRoot();
515
-	}
516
-
517
-	/**
518
-	 * clear all mounts and storage backends
519
-	 */
520
-	public static function clearMounts() {
521
-		if (self::$mounts) {
522
-			self::$usersSetup = array();
523
-			self::$mounts->clear();
524
-		}
525
-	}
526
-
527
-	/**
528
-	 * mount an \OC\Files\Storage\Storage in our virtual filesystem
529
-	 *
530
-	 * @param \OC\Files\Storage\Storage|string $class
531
-	 * @param array $arguments
532
-	 * @param string $mountpoint
533
-	 */
534
-	static public function mount($class, $arguments, $mountpoint) {
535
-		if (!self::$mounts) {
536
-			\OC_Util::setupFS();
537
-		}
538
-		$mount = new Mount\MountPoint($class, $mountpoint, $arguments, self::getLoader());
539
-		self::$mounts->addMount($mount);
540
-	}
541
-
542
-	/**
543
-	 * return the path to a local version of the file
544
-	 * we need this because we can't know if a file is stored local or not from
545
-	 * outside the filestorage and for some purposes a local file is needed
546
-	 *
547
-	 * @param string $path
548
-	 * @return string
549
-	 */
550
-	static public function getLocalFile($path) {
551
-		return self::$defaultInstance->getLocalFile($path);
552
-	}
553
-
554
-	/**
555
-	 * @param string $path
556
-	 * @return string
557
-	 */
558
-	static public function getLocalFolder($path) {
559
-		return self::$defaultInstance->getLocalFolder($path);
560
-	}
561
-
562
-	/**
563
-	 * return path to file which reflects one visible in browser
564
-	 *
565
-	 * @param string $path
566
-	 * @return string
567
-	 */
568
-	static public function getLocalPath($path) {
569
-		$datadir = \OC_User::getHome(\OC_User::getUser()) . '/files';
570
-		$newpath = $path;
571
-		if (strncmp($newpath, $datadir, strlen($datadir)) == 0) {
572
-			$newpath = substr($path, strlen($datadir));
573
-		}
574
-		return $newpath;
575
-	}
576
-
577
-	/**
578
-	 * check if the requested path is valid
579
-	 *
580
-	 * @param string $path
581
-	 * @return bool
582
-	 */
583
-	static public function isValidPath($path) {
584
-		$path = self::normalizePath($path);
585
-		if (!$path || $path[0] !== '/') {
586
-			$path = '/' . $path;
587
-		}
588
-		if (strpos($path, '/../') !== false || strrchr($path, '/') === '/..') {
589
-			return false;
590
-		}
591
-		return true;
592
-	}
593
-
594
-	/**
595
-	 * checks if a file is blacklisted for storage in the filesystem
596
-	 * Listens to write and rename hooks
597
-	 *
598
-	 * @param array $data from hook
599
-	 */
600
-	static public function isBlacklisted($data) {
601
-		if (isset($data['path'])) {
602
-			$path = $data['path'];
603
-		} else if (isset($data['newpath'])) {
604
-			$path = $data['newpath'];
605
-		}
606
-		if (isset($path)) {
607
-			if (self::isFileBlacklisted($path)) {
608
-				$data['run'] = false;
609
-			}
610
-		}
611
-	}
612
-
613
-	/**
614
-	 * @param string $filename
615
-	 * @return bool
616
-	 */
617
-	static public function isFileBlacklisted($filename) {
618
-		$filename = self::normalizePath($filename);
619
-
620
-		$blacklist = \OC::$server->getConfig()->getSystemValue('blacklisted_files', array('.htaccess'));
621
-		$filename = strtolower(basename($filename));
622
-		return in_array($filename, $blacklist);
623
-	}
624
-
625
-	/**
626
-	 * check if the directory should be ignored when scanning
627
-	 * NOTE: the special directories . and .. would cause never ending recursion
628
-	 *
629
-	 * @param String $dir
630
-	 * @return boolean
631
-	 */
632
-	static public function isIgnoredDir($dir) {
633
-		if ($dir === '.' || $dir === '..') {
634
-			return true;
635
-		}
636
-		return false;
637
-	}
638
-
639
-	/**
640
-	 * following functions are equivalent to their php builtin equivalents for arguments/return values.
641
-	 */
642
-	static public function mkdir($path) {
643
-		return self::$defaultInstance->mkdir($path);
644
-	}
645
-
646
-	static public function rmdir($path) {
647
-		return self::$defaultInstance->rmdir($path);
648
-	}
649
-
650
-	static public function is_dir($path) {
651
-		return self::$defaultInstance->is_dir($path);
652
-	}
653
-
654
-	static public function is_file($path) {
655
-		return self::$defaultInstance->is_file($path);
656
-	}
657
-
658
-	static public function stat($path) {
659
-		return self::$defaultInstance->stat($path);
660
-	}
661
-
662
-	static public function filetype($path) {
663
-		return self::$defaultInstance->filetype($path);
664
-	}
665
-
666
-	static public function filesize($path) {
667
-		return self::$defaultInstance->filesize($path);
668
-	}
669
-
670
-	static public function readfile($path) {
671
-		return self::$defaultInstance->readfile($path);
672
-	}
673
-
674
-	static public function isCreatable($path) {
675
-		return self::$defaultInstance->isCreatable($path);
676
-	}
677
-
678
-	static public function isReadable($path) {
679
-		return self::$defaultInstance->isReadable($path);
680
-	}
681
-
682
-	static public function isUpdatable($path) {
683
-		return self::$defaultInstance->isUpdatable($path);
684
-	}
685
-
686
-	static public function isDeletable($path) {
687
-		return self::$defaultInstance->isDeletable($path);
688
-	}
689
-
690
-	static public function isSharable($path) {
691
-		return self::$defaultInstance->isSharable($path);
692
-	}
693
-
694
-	static public function file_exists($path) {
695
-		return self::$defaultInstance->file_exists($path);
696
-	}
697
-
698
-	static public function filemtime($path) {
699
-		return self::$defaultInstance->filemtime($path);
700
-	}
701
-
702
-	static public function touch($path, $mtime = null) {
703
-		return self::$defaultInstance->touch($path, $mtime);
704
-	}
705
-
706
-	/**
707
-	 * @return string
708
-	 */
709
-	static public function file_get_contents($path) {
710
-		return self::$defaultInstance->file_get_contents($path);
711
-	}
712
-
713
-	static public function file_put_contents($path, $data) {
714
-		return self::$defaultInstance->file_put_contents($path, $data);
715
-	}
716
-
717
-	static public function unlink($path) {
718
-		return self::$defaultInstance->unlink($path);
719
-	}
720
-
721
-	static public function rename($path1, $path2) {
722
-		return self::$defaultInstance->rename($path1, $path2);
723
-	}
724
-
725
-	static public function copy($path1, $path2) {
726
-		return self::$defaultInstance->copy($path1, $path2);
727
-	}
728
-
729
-	static public function fopen($path, $mode) {
730
-		return self::$defaultInstance->fopen($path, $mode);
731
-	}
732
-
733
-	/**
734
-	 * @return string
735
-	 */
736
-	static public function toTmpFile($path) {
737
-		return self::$defaultInstance->toTmpFile($path);
738
-	}
739
-
740
-	static public function fromTmpFile($tmpFile, $path) {
741
-		return self::$defaultInstance->fromTmpFile($tmpFile, $path);
742
-	}
743
-
744
-	static public function getMimeType($path) {
745
-		return self::$defaultInstance->getMimeType($path);
746
-	}
747
-
748
-	static public function hash($type, $path, $raw = false) {
749
-		return self::$defaultInstance->hash($type, $path, $raw);
750
-	}
751
-
752
-	static public function free_space($path = '/') {
753
-		return self::$defaultInstance->free_space($path);
754
-	}
755
-
756
-	static public function search($query) {
757
-		return self::$defaultInstance->search($query);
758
-	}
759
-
760
-	/**
761
-	 * @param string $query
762
-	 */
763
-	static public function searchByMime($query) {
764
-		return self::$defaultInstance->searchByMime($query);
765
-	}
766
-
767
-	/**
768
-	 * @param string|int $tag name or tag id
769
-	 * @param string $userId owner of the tags
770
-	 * @return FileInfo[] array or file info
771
-	 */
772
-	static public function searchByTag($tag, $userId) {
773
-		return self::$defaultInstance->searchByTag($tag, $userId);
774
-	}
775
-
776
-	/**
777
-	 * check if a file or folder has been updated since $time
778
-	 *
779
-	 * @param string $path
780
-	 * @param int $time
781
-	 * @return bool
782
-	 */
783
-	static public function hasUpdated($path, $time) {
784
-		return self::$defaultInstance->hasUpdated($path, $time);
785
-	}
786
-
787
-	/**
788
-	 * Fix common problems with a file path
789
-	 *
790
-	 * @param string $path
791
-	 * @param bool $stripTrailingSlash whether to strip the trailing slash
792
-	 * @param bool $isAbsolutePath whether the given path is absolute
793
-	 * @param bool $keepUnicode true to disable unicode normalization
794
-	 * @return string
795
-	 */
796
-	public static function normalizePath($path, $stripTrailingSlash = true, $isAbsolutePath = false, $keepUnicode = false) {
797
-		if (is_null(self::$normalizedPathCache)) {
798
-			self::$normalizedPathCache = new CappedMemoryCache(2048);
799
-		}
800
-
801
-		/**
802
-		 * FIXME: This is a workaround for existing classes and files which call
803
-		 *        this function with another type than a valid string. This
804
-		 *        conversion should get removed as soon as all existing
805
-		 *        function calls have been fixed.
806
-		 */
807
-		$path = (string)$path;
808
-
809
-		$cacheKey = json_encode([$path, $stripTrailingSlash, $isAbsolutePath, $keepUnicode]);
810
-
811
-		if (isset(self::$normalizedPathCache[$cacheKey])) {
812
-			return self::$normalizedPathCache[$cacheKey];
813
-		}
814
-
815
-		if ($path == '') {
816
-			return '/';
817
-		}
818
-
819
-		//normalize unicode if possible
820
-		if (!$keepUnicode) {
821
-			$path = \OC_Util::normalizeUnicode($path);
822
-		}
823
-
824
-		//no windows style slashes
825
-		$path = str_replace('\\', '/', $path);
826
-
827
-		//add leading slash
828
-		if ($path[0] !== '/') {
829
-			$path = '/' . $path;
830
-		}
831
-
832
-		// remove '/./'
833
-		// ugly, but str_replace() can't replace them all in one go
834
-		// as the replacement itself is part of the search string
835
-		// which will only be found during the next iteration
836
-		while (strpos($path, '/./') !== false) {
837
-			$path = str_replace('/./', '/', $path);
838
-		}
839
-		// remove sequences of slashes
840
-		$path = preg_replace('#/{2,}#', '/', $path);
841
-
842
-		//remove trailing slash
843
-		if ($stripTrailingSlash and strlen($path) > 1) {
844
-			$path = rtrim($path, '/');
845
-		}
846
-
847
-		// remove trailing '/.'
848
-		if (substr($path, -2) == '/.') {
849
-			$path = substr($path, 0, -2);
850
-		}
851
-
852
-		$normalizedPath = $path;
853
-		self::$normalizedPathCache[$cacheKey] = $normalizedPath;
854
-
855
-		return $normalizedPath;
856
-	}
857
-
858
-	/**
859
-	 * get the filesystem info
860
-	 *
861
-	 * @param string $path
862
-	 * @param boolean $includeMountPoints whether to add mountpoint sizes,
863
-	 * defaults to true
864
-	 * @return \OC\Files\FileInfo|bool False if file does not exist
865
-	 */
866
-	public static function getFileInfo($path, $includeMountPoints = true) {
867
-		return self::$defaultInstance->getFileInfo($path, $includeMountPoints);
868
-	}
869
-
870
-	/**
871
-	 * change file metadata
872
-	 *
873
-	 * @param string $path
874
-	 * @param array $data
875
-	 * @return int
876
-	 *
877
-	 * returns the fileid of the updated file
878
-	 */
879
-	public static function putFileInfo($path, $data) {
880
-		return self::$defaultInstance->putFileInfo($path, $data);
881
-	}
882
-
883
-	/**
884
-	 * get the content of a directory
885
-	 *
886
-	 * @param string $directory path under datadirectory
887
-	 * @param string $mimetype_filter limit returned content to this mimetype or mimepart
888
-	 * @return \OC\Files\FileInfo[]
889
-	 */
890
-	public static function getDirectoryContent($directory, $mimetype_filter = '') {
891
-		return self::$defaultInstance->getDirectoryContent($directory, $mimetype_filter);
892
-	}
893
-
894
-	/**
895
-	 * Get the path of a file by id
896
-	 *
897
-	 * Note that the resulting path is not guaranteed to be unique for the id, multiple paths can point to the same file
898
-	 *
899
-	 * @param int $id
900
-	 * @throws NotFoundException
901
-	 * @return string
902
-	 */
903
-	public static function getPath($id) {
904
-		return self::$defaultInstance->getPath($id);
905
-	}
906
-
907
-	/**
908
-	 * Get the owner for a file or folder
909
-	 *
910
-	 * @param string $path
911
-	 * @return string
912
-	 */
913
-	public static function getOwner($path) {
914
-		return self::$defaultInstance->getOwner($path);
915
-	}
916
-
917
-	/**
918
-	 * get the ETag for a file or folder
919
-	 *
920
-	 * @param string $path
921
-	 * @return string
922
-	 */
923
-	static public function getETag($path) {
924
-		return self::$defaultInstance->getETag($path);
925
-	}
73
+    /**
74
+     * @var Mount\Manager $mounts
75
+     */
76
+    private static $mounts;
77
+
78
+    public static $loaded = false;
79
+    /**
80
+     * @var \OC\Files\View $defaultInstance
81
+     */
82
+    static private $defaultInstance;
83
+
84
+    static private $usersSetup = array();
85
+
86
+    static private $normalizedPathCache = null;
87
+
88
+    static private $listeningForProviders = false;
89
+
90
+    /**
91
+     * classname which used for hooks handling
92
+     * used as signalclass in OC_Hooks::emit()
93
+     */
94
+    const CLASSNAME = 'OC_Filesystem';
95
+
96
+    /**
97
+     * signalname emitted before file renaming
98
+     *
99
+     * @param string $oldpath
100
+     * @param string $newpath
101
+     */
102
+    const signal_rename = 'rename';
103
+
104
+    /**
105
+     * signal emitted after file renaming
106
+     *
107
+     * @param string $oldpath
108
+     * @param string $newpath
109
+     */
110
+    const signal_post_rename = 'post_rename';
111
+
112
+    /**
113
+     * signal emitted before file/dir creation
114
+     *
115
+     * @param string $path
116
+     * @param bool $run changing this flag to false in hook handler will cancel event
117
+     */
118
+    const signal_create = 'create';
119
+
120
+    /**
121
+     * signal emitted after file/dir creation
122
+     *
123
+     * @param string $path
124
+     * @param bool $run changing this flag to false in hook handler will cancel event
125
+     */
126
+    const signal_post_create = 'post_create';
127
+
128
+    /**
129
+     * signal emits before file/dir copy
130
+     *
131
+     * @param string $oldpath
132
+     * @param string $newpath
133
+     * @param bool $run changing this flag to false in hook handler will cancel event
134
+     */
135
+    const signal_copy = 'copy';
136
+
137
+    /**
138
+     * signal emits after file/dir copy
139
+     *
140
+     * @param string $oldpath
141
+     * @param string $newpath
142
+     */
143
+    const signal_post_copy = 'post_copy';
144
+
145
+    /**
146
+     * signal emits before file/dir save
147
+     *
148
+     * @param string $path
149
+     * @param bool $run changing this flag to false in hook handler will cancel event
150
+     */
151
+    const signal_write = 'write';
152
+
153
+    /**
154
+     * signal emits after file/dir save
155
+     *
156
+     * @param string $path
157
+     */
158
+    const signal_post_write = 'post_write';
159
+
160
+    /**
161
+     * signal emitted before file/dir update
162
+     *
163
+     * @param string $path
164
+     * @param bool $run changing this flag to false in hook handler will cancel event
165
+     */
166
+    const signal_update = 'update';
167
+
168
+    /**
169
+     * signal emitted after file/dir update
170
+     *
171
+     * @param string $path
172
+     * @param bool $run changing this flag to false in hook handler will cancel event
173
+     */
174
+    const signal_post_update = 'post_update';
175
+
176
+    /**
177
+     * signal emits when reading file/dir
178
+     *
179
+     * @param string $path
180
+     */
181
+    const signal_read = 'read';
182
+
183
+    /**
184
+     * signal emits when removing file/dir
185
+     *
186
+     * @param string $path
187
+     */
188
+    const signal_delete = 'delete';
189
+
190
+    /**
191
+     * parameters definitions for signals
192
+     */
193
+    const signal_param_path = 'path';
194
+    const signal_param_oldpath = 'oldpath';
195
+    const signal_param_newpath = 'newpath';
196
+
197
+    /**
198
+     * run - changing this flag to false in hook handler will cancel event
199
+     */
200
+    const signal_param_run = 'run';
201
+
202
+    const signal_create_mount = 'create_mount';
203
+    const signal_delete_mount = 'delete_mount';
204
+    const signal_param_mount_type = 'mounttype';
205
+    const signal_param_users = 'users';
206
+
207
+    /**
208
+     * @var \OC\Files\Storage\StorageFactory $loader
209
+     */
210
+    private static $loader;
211
+
212
+    /** @var bool */
213
+    private static $logWarningWhenAddingStorageWrapper = true;
214
+
215
+    /**
216
+     * @param bool $shouldLog
217
+     * @return bool previous value
218
+     * @internal
219
+     */
220
+    public static function logWarningWhenAddingStorageWrapper($shouldLog) {
221
+        $previousValue = self::$logWarningWhenAddingStorageWrapper;
222
+        self::$logWarningWhenAddingStorageWrapper = (bool) $shouldLog;
223
+        return $previousValue;
224
+    }
225
+
226
+    /**
227
+     * @param string $wrapperName
228
+     * @param callable $wrapper
229
+     * @param int $priority
230
+     */
231
+    public static function addStorageWrapper($wrapperName, $wrapper, $priority = 50) {
232
+        if (self::$logWarningWhenAddingStorageWrapper) {
233
+            \OC::$server->getLogger()->warning("Storage wrapper '{wrapper}' was not registered via the 'OC_Filesystem - preSetup' hook which could cause potential problems.", [
234
+                'wrapper' => $wrapperName,
235
+                'app' => 'filesystem',
236
+            ]);
237
+        }
238
+
239
+        $mounts = self::getMountManager()->getAll();
240
+        if (!self::getLoader()->addStorageWrapper($wrapperName, $wrapper, $priority, $mounts)) {
241
+            // do not re-wrap if storage with this name already existed
242
+            return;
243
+        }
244
+    }
245
+
246
+    /**
247
+     * Returns the storage factory
248
+     *
249
+     * @return \OCP\Files\Storage\IStorageFactory
250
+     */
251
+    public static function getLoader() {
252
+        if (!self::$loader) {
253
+            self::$loader = new StorageFactory();
254
+        }
255
+        return self::$loader;
256
+    }
257
+
258
+    /**
259
+     * Returns the mount manager
260
+     *
261
+     * @return \OC\Files\Mount\Manager
262
+     */
263
+    public static function getMountManager($user = '') {
264
+        if (!self::$mounts) {
265
+            \OC_Util::setupFS($user);
266
+        }
267
+        return self::$mounts;
268
+    }
269
+
270
+    /**
271
+     * get the mountpoint of the storage object for a path
272
+     * ( note: because a storage is not always mounted inside the fakeroot, the
273
+     * returned mountpoint is relative to the absolute root of the filesystem
274
+     * and doesn't take the chroot into account )
275
+     *
276
+     * @param string $path
277
+     * @return string
278
+     */
279
+    static public function getMountPoint($path) {
280
+        if (!self::$mounts) {
281
+            \OC_Util::setupFS();
282
+        }
283
+        $mount = self::$mounts->find($path);
284
+        if ($mount) {
285
+            return $mount->getMountPoint();
286
+        } else {
287
+            return '';
288
+        }
289
+    }
290
+
291
+    /**
292
+     * get a list of all mount points in a directory
293
+     *
294
+     * @param string $path
295
+     * @return string[]
296
+     */
297
+    static public function getMountPoints($path) {
298
+        if (!self::$mounts) {
299
+            \OC_Util::setupFS();
300
+        }
301
+        $result = array();
302
+        $mounts = self::$mounts->findIn($path);
303
+        foreach ($mounts as $mount) {
304
+            $result[] = $mount->getMountPoint();
305
+        }
306
+        return $result;
307
+    }
308
+
309
+    /**
310
+     * get the storage mounted at $mountPoint
311
+     *
312
+     * @param string $mountPoint
313
+     * @return \OC\Files\Storage\Storage
314
+     */
315
+    public static function getStorage($mountPoint) {
316
+        if (!self::$mounts) {
317
+            \OC_Util::setupFS();
318
+        }
319
+        $mount = self::$mounts->find($mountPoint);
320
+        return $mount->getStorage();
321
+    }
322
+
323
+    /**
324
+     * @param string $id
325
+     * @return Mount\MountPoint[]
326
+     */
327
+    public static function getMountByStorageId($id) {
328
+        if (!self::$mounts) {
329
+            \OC_Util::setupFS();
330
+        }
331
+        return self::$mounts->findByStorageId($id);
332
+    }
333
+
334
+    /**
335
+     * @param int $id
336
+     * @return Mount\MountPoint[]
337
+     */
338
+    public static function getMountByNumericId($id) {
339
+        if (!self::$mounts) {
340
+            \OC_Util::setupFS();
341
+        }
342
+        return self::$mounts->findByNumericId($id);
343
+    }
344
+
345
+    /**
346
+     * resolve a path to a storage and internal path
347
+     *
348
+     * @param string $path
349
+     * @return array an array consisting of the storage and the internal path
350
+     */
351
+    static public function resolvePath($path) {
352
+        if (!self::$mounts) {
353
+            \OC_Util::setupFS();
354
+        }
355
+        $mount = self::$mounts->find($path);
356
+        if ($mount) {
357
+            return array($mount->getStorage(), rtrim($mount->getInternalPath($path), '/'));
358
+        } else {
359
+            return array(null, null);
360
+        }
361
+    }
362
+
363
+    static public function init($user, $root) {
364
+        if (self::$defaultInstance) {
365
+            return false;
366
+        }
367
+        self::getLoader();
368
+        self::$defaultInstance = new View($root);
369
+
370
+        if (!self::$mounts) {
371
+            self::$mounts = \OC::$server->getMountManager();
372
+        }
373
+
374
+        //load custom mount config
375
+        self::initMountPoints($user);
376
+
377
+        self::$loaded = true;
378
+
379
+        return true;
380
+    }
381
+
382
+    static public function initMountManager() {
383
+        if (!self::$mounts) {
384
+            self::$mounts = \OC::$server->getMountManager();
385
+        }
386
+    }
387
+
388
+    /**
389
+     * Initialize system and personal mount points for a user
390
+     *
391
+     * @param string $user
392
+     * @throws \OC\User\NoUserException if the user is not available
393
+     */
394
+    public static function initMountPoints($user = '') {
395
+        if ($user == '') {
396
+            $user = \OC_User::getUser();
397
+        }
398
+        if ($user === null || $user === false || $user === '') {
399
+            throw new \OC\User\NoUserException('Attempted to initialize mount points for null user and no user in session');
400
+        }
401
+
402
+        if (isset(self::$usersSetup[$user])) {
403
+            return;
404
+        }
405
+
406
+        self::$usersSetup[$user] = true;
407
+
408
+        $userManager = \OC::$server->getUserManager();
409
+        $userObject = $userManager->get($user);
410
+
411
+        if (is_null($userObject)) {
412
+            \OCP\Util::writeLog('files', ' Backends provided no user object for ' . $user, ILogger::ERROR);
413
+            // reset flag, this will make it possible to rethrow the exception if called again
414
+            unset(self::$usersSetup[$user]);
415
+            throw new \OC\User\NoUserException('Backends provided no user object for ' . $user);
416
+        }
417
+
418
+        $realUid = $userObject->getUID();
419
+        // workaround in case of different casings
420
+        if ($user !== $realUid) {
421
+            $stack = json_encode(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 50));
422
+            \OCP\Util::writeLog('files', 'initMountPoints() called with wrong user casing. This could be a bug. Expected: "' . $realUid . '" got "' . $user . '". Stack: ' . $stack, ILogger::WARN);
423
+            $user = $realUid;
424
+
425
+            // again with the correct casing
426
+            if (isset(self::$usersSetup[$user])) {
427
+                return;
428
+            }
429
+
430
+            self::$usersSetup[$user] = true;
431
+        }
432
+
433
+        if (\OC::$server->getLockdownManager()->canAccessFilesystem()) {
434
+            /** @var \OC\Files\Config\MountProviderCollection $mountConfigManager */
435
+            $mountConfigManager = \OC::$server->getMountProviderCollection();
436
+
437
+            // home mounts are handled seperate since we need to ensure this is mounted before we call the other mount providers
438
+            $homeMount = $mountConfigManager->getHomeMountForUser($userObject);
439
+
440
+            self::getMountManager()->addMount($homeMount);
441
+
442
+            \OC\Files\Filesystem::getStorage($user);
443
+
444
+            // Chance to mount for other storages
445
+            if ($userObject) {
446
+                $mounts = $mountConfigManager->addMountForUser($userObject, self::getMountManager());
447
+                $mounts[] = $homeMount;
448
+                $mountConfigManager->registerMounts($userObject, $mounts);
449
+            }
450
+
451
+            self::listenForNewMountProviders($mountConfigManager, $userManager);
452
+        } else {
453
+            self::getMountManager()->addMount(new MountPoint(
454
+                new NullStorage([]),
455
+                '/' . $user
456
+            ));
457
+            self::getMountManager()->addMount(new MountPoint(
458
+                new NullStorage([]),
459
+                '/' . $user . '/files'
460
+            ));
461
+        }
462
+        \OC_Hook::emit('OC_Filesystem', 'post_initMountPoints', array('user' => $user));
463
+    }
464
+
465
+    /**
466
+     * Get mounts from mount providers that are registered after setup
467
+     *
468
+     * @param MountProviderCollection $mountConfigManager
469
+     * @param IUserManager $userManager
470
+     */
471
+    private static function listenForNewMountProviders(MountProviderCollection $mountConfigManager, IUserManager $userManager) {
472
+        if (!self::$listeningForProviders) {
473
+            self::$listeningForProviders = true;
474
+            $mountConfigManager->listen('\OC\Files\Config', 'registerMountProvider', function (IMountProvider $provider) use ($userManager) {
475
+                foreach (Filesystem::$usersSetup as $user => $setup) {
476
+                    $userObject = $userManager->get($user);
477
+                    if ($userObject) {
478
+                        $mounts = $provider->getMountsForUser($userObject, Filesystem::getLoader());
479
+                        array_walk($mounts, array(self::$mounts, 'addMount'));
480
+                    }
481
+                }
482
+            });
483
+        }
484
+    }
485
+
486
+    /**
487
+     * get the default filesystem view
488
+     *
489
+     * @return View
490
+     */
491
+    static public function getView() {
492
+        return self::$defaultInstance;
493
+    }
494
+
495
+    /**
496
+     * tear down the filesystem, removing all storage providers
497
+     */
498
+    static public function tearDown() {
499
+        self::clearMounts();
500
+        self::$defaultInstance = null;
501
+    }
502
+
503
+    /**
504
+     * get the relative path of the root data directory for the current user
505
+     *
506
+     * @return string
507
+     *
508
+     * Returns path like /admin/files
509
+     */
510
+    static public function getRoot() {
511
+        if (!self::$defaultInstance) {
512
+            return null;
513
+        }
514
+        return self::$defaultInstance->getRoot();
515
+    }
516
+
517
+    /**
518
+     * clear all mounts and storage backends
519
+     */
520
+    public static function clearMounts() {
521
+        if (self::$mounts) {
522
+            self::$usersSetup = array();
523
+            self::$mounts->clear();
524
+        }
525
+    }
526
+
527
+    /**
528
+     * mount an \OC\Files\Storage\Storage in our virtual filesystem
529
+     *
530
+     * @param \OC\Files\Storage\Storage|string $class
531
+     * @param array $arguments
532
+     * @param string $mountpoint
533
+     */
534
+    static public function mount($class, $arguments, $mountpoint) {
535
+        if (!self::$mounts) {
536
+            \OC_Util::setupFS();
537
+        }
538
+        $mount = new Mount\MountPoint($class, $mountpoint, $arguments, self::getLoader());
539
+        self::$mounts->addMount($mount);
540
+    }
541
+
542
+    /**
543
+     * return the path to a local version of the file
544
+     * we need this because we can't know if a file is stored local or not from
545
+     * outside the filestorage and for some purposes a local file is needed
546
+     *
547
+     * @param string $path
548
+     * @return string
549
+     */
550
+    static public function getLocalFile($path) {
551
+        return self::$defaultInstance->getLocalFile($path);
552
+    }
553
+
554
+    /**
555
+     * @param string $path
556
+     * @return string
557
+     */
558
+    static public function getLocalFolder($path) {
559
+        return self::$defaultInstance->getLocalFolder($path);
560
+    }
561
+
562
+    /**
563
+     * return path to file which reflects one visible in browser
564
+     *
565
+     * @param string $path
566
+     * @return string
567
+     */
568
+    static public function getLocalPath($path) {
569
+        $datadir = \OC_User::getHome(\OC_User::getUser()) . '/files';
570
+        $newpath = $path;
571
+        if (strncmp($newpath, $datadir, strlen($datadir)) == 0) {
572
+            $newpath = substr($path, strlen($datadir));
573
+        }
574
+        return $newpath;
575
+    }
576
+
577
+    /**
578
+     * check if the requested path is valid
579
+     *
580
+     * @param string $path
581
+     * @return bool
582
+     */
583
+    static public function isValidPath($path) {
584
+        $path = self::normalizePath($path);
585
+        if (!$path || $path[0] !== '/') {
586
+            $path = '/' . $path;
587
+        }
588
+        if (strpos($path, '/../') !== false || strrchr($path, '/') === '/..') {
589
+            return false;
590
+        }
591
+        return true;
592
+    }
593
+
594
+    /**
595
+     * checks if a file is blacklisted for storage in the filesystem
596
+     * Listens to write and rename hooks
597
+     *
598
+     * @param array $data from hook
599
+     */
600
+    static public function isBlacklisted($data) {
601
+        if (isset($data['path'])) {
602
+            $path = $data['path'];
603
+        } else if (isset($data['newpath'])) {
604
+            $path = $data['newpath'];
605
+        }
606
+        if (isset($path)) {
607
+            if (self::isFileBlacklisted($path)) {
608
+                $data['run'] = false;
609
+            }
610
+        }
611
+    }
612
+
613
+    /**
614
+     * @param string $filename
615
+     * @return bool
616
+     */
617
+    static public function isFileBlacklisted($filename) {
618
+        $filename = self::normalizePath($filename);
619
+
620
+        $blacklist = \OC::$server->getConfig()->getSystemValue('blacklisted_files', array('.htaccess'));
621
+        $filename = strtolower(basename($filename));
622
+        return in_array($filename, $blacklist);
623
+    }
624
+
625
+    /**
626
+     * check if the directory should be ignored when scanning
627
+     * NOTE: the special directories . and .. would cause never ending recursion
628
+     *
629
+     * @param String $dir
630
+     * @return boolean
631
+     */
632
+    static public function isIgnoredDir($dir) {
633
+        if ($dir === '.' || $dir === '..') {
634
+            return true;
635
+        }
636
+        return false;
637
+    }
638
+
639
+    /**
640
+     * following functions are equivalent to their php builtin equivalents for arguments/return values.
641
+     */
642
+    static public function mkdir($path) {
643
+        return self::$defaultInstance->mkdir($path);
644
+    }
645
+
646
+    static public function rmdir($path) {
647
+        return self::$defaultInstance->rmdir($path);
648
+    }
649
+
650
+    static public function is_dir($path) {
651
+        return self::$defaultInstance->is_dir($path);
652
+    }
653
+
654
+    static public function is_file($path) {
655
+        return self::$defaultInstance->is_file($path);
656
+    }
657
+
658
+    static public function stat($path) {
659
+        return self::$defaultInstance->stat($path);
660
+    }
661
+
662
+    static public function filetype($path) {
663
+        return self::$defaultInstance->filetype($path);
664
+    }
665
+
666
+    static public function filesize($path) {
667
+        return self::$defaultInstance->filesize($path);
668
+    }
669
+
670
+    static public function readfile($path) {
671
+        return self::$defaultInstance->readfile($path);
672
+    }
673
+
674
+    static public function isCreatable($path) {
675
+        return self::$defaultInstance->isCreatable($path);
676
+    }
677
+
678
+    static public function isReadable($path) {
679
+        return self::$defaultInstance->isReadable($path);
680
+    }
681
+
682
+    static public function isUpdatable($path) {
683
+        return self::$defaultInstance->isUpdatable($path);
684
+    }
685
+
686
+    static public function isDeletable($path) {
687
+        return self::$defaultInstance->isDeletable($path);
688
+    }
689
+
690
+    static public function isSharable($path) {
691
+        return self::$defaultInstance->isSharable($path);
692
+    }
693
+
694
+    static public function file_exists($path) {
695
+        return self::$defaultInstance->file_exists($path);
696
+    }
697
+
698
+    static public function filemtime($path) {
699
+        return self::$defaultInstance->filemtime($path);
700
+    }
701
+
702
+    static public function touch($path, $mtime = null) {
703
+        return self::$defaultInstance->touch($path, $mtime);
704
+    }
705
+
706
+    /**
707
+     * @return string
708
+     */
709
+    static public function file_get_contents($path) {
710
+        return self::$defaultInstance->file_get_contents($path);
711
+    }
712
+
713
+    static public function file_put_contents($path, $data) {
714
+        return self::$defaultInstance->file_put_contents($path, $data);
715
+    }
716
+
717
+    static public function unlink($path) {
718
+        return self::$defaultInstance->unlink($path);
719
+    }
720
+
721
+    static public function rename($path1, $path2) {
722
+        return self::$defaultInstance->rename($path1, $path2);
723
+    }
724
+
725
+    static public function copy($path1, $path2) {
726
+        return self::$defaultInstance->copy($path1, $path2);
727
+    }
728
+
729
+    static public function fopen($path, $mode) {
730
+        return self::$defaultInstance->fopen($path, $mode);
731
+    }
732
+
733
+    /**
734
+     * @return string
735
+     */
736
+    static public function toTmpFile($path) {
737
+        return self::$defaultInstance->toTmpFile($path);
738
+    }
739
+
740
+    static public function fromTmpFile($tmpFile, $path) {
741
+        return self::$defaultInstance->fromTmpFile($tmpFile, $path);
742
+    }
743
+
744
+    static public function getMimeType($path) {
745
+        return self::$defaultInstance->getMimeType($path);
746
+    }
747
+
748
+    static public function hash($type, $path, $raw = false) {
749
+        return self::$defaultInstance->hash($type, $path, $raw);
750
+    }
751
+
752
+    static public function free_space($path = '/') {
753
+        return self::$defaultInstance->free_space($path);
754
+    }
755
+
756
+    static public function search($query) {
757
+        return self::$defaultInstance->search($query);
758
+    }
759
+
760
+    /**
761
+     * @param string $query
762
+     */
763
+    static public function searchByMime($query) {
764
+        return self::$defaultInstance->searchByMime($query);
765
+    }
766
+
767
+    /**
768
+     * @param string|int $tag name or tag id
769
+     * @param string $userId owner of the tags
770
+     * @return FileInfo[] array or file info
771
+     */
772
+    static public function searchByTag($tag, $userId) {
773
+        return self::$defaultInstance->searchByTag($tag, $userId);
774
+    }
775
+
776
+    /**
777
+     * check if a file or folder has been updated since $time
778
+     *
779
+     * @param string $path
780
+     * @param int $time
781
+     * @return bool
782
+     */
783
+    static public function hasUpdated($path, $time) {
784
+        return self::$defaultInstance->hasUpdated($path, $time);
785
+    }
786
+
787
+    /**
788
+     * Fix common problems with a file path
789
+     *
790
+     * @param string $path
791
+     * @param bool $stripTrailingSlash whether to strip the trailing slash
792
+     * @param bool $isAbsolutePath whether the given path is absolute
793
+     * @param bool $keepUnicode true to disable unicode normalization
794
+     * @return string
795
+     */
796
+    public static function normalizePath($path, $stripTrailingSlash = true, $isAbsolutePath = false, $keepUnicode = false) {
797
+        if (is_null(self::$normalizedPathCache)) {
798
+            self::$normalizedPathCache = new CappedMemoryCache(2048);
799
+        }
800
+
801
+        /**
802
+         * FIXME: This is a workaround for existing classes and files which call
803
+         *        this function with another type than a valid string. This
804
+         *        conversion should get removed as soon as all existing
805
+         *        function calls have been fixed.
806
+         */
807
+        $path = (string)$path;
808
+
809
+        $cacheKey = json_encode([$path, $stripTrailingSlash, $isAbsolutePath, $keepUnicode]);
810
+
811
+        if (isset(self::$normalizedPathCache[$cacheKey])) {
812
+            return self::$normalizedPathCache[$cacheKey];
813
+        }
814
+
815
+        if ($path == '') {
816
+            return '/';
817
+        }
818
+
819
+        //normalize unicode if possible
820
+        if (!$keepUnicode) {
821
+            $path = \OC_Util::normalizeUnicode($path);
822
+        }
823
+
824
+        //no windows style slashes
825
+        $path = str_replace('\\', '/', $path);
826
+
827
+        //add leading slash
828
+        if ($path[0] !== '/') {
829
+            $path = '/' . $path;
830
+        }
831
+
832
+        // remove '/./'
833
+        // ugly, but str_replace() can't replace them all in one go
834
+        // as the replacement itself is part of the search string
835
+        // which will only be found during the next iteration
836
+        while (strpos($path, '/./') !== false) {
837
+            $path = str_replace('/./', '/', $path);
838
+        }
839
+        // remove sequences of slashes
840
+        $path = preg_replace('#/{2,}#', '/', $path);
841
+
842
+        //remove trailing slash
843
+        if ($stripTrailingSlash and strlen($path) > 1) {
844
+            $path = rtrim($path, '/');
845
+        }
846
+
847
+        // remove trailing '/.'
848
+        if (substr($path, -2) == '/.') {
849
+            $path = substr($path, 0, -2);
850
+        }
851
+
852
+        $normalizedPath = $path;
853
+        self::$normalizedPathCache[$cacheKey] = $normalizedPath;
854
+
855
+        return $normalizedPath;
856
+    }
857
+
858
+    /**
859
+     * get the filesystem info
860
+     *
861
+     * @param string $path
862
+     * @param boolean $includeMountPoints whether to add mountpoint sizes,
863
+     * defaults to true
864
+     * @return \OC\Files\FileInfo|bool False if file does not exist
865
+     */
866
+    public static function getFileInfo($path, $includeMountPoints = true) {
867
+        return self::$defaultInstance->getFileInfo($path, $includeMountPoints);
868
+    }
869
+
870
+    /**
871
+     * change file metadata
872
+     *
873
+     * @param string $path
874
+     * @param array $data
875
+     * @return int
876
+     *
877
+     * returns the fileid of the updated file
878
+     */
879
+    public static function putFileInfo($path, $data) {
880
+        return self::$defaultInstance->putFileInfo($path, $data);
881
+    }
882
+
883
+    /**
884
+     * get the content of a directory
885
+     *
886
+     * @param string $directory path under datadirectory
887
+     * @param string $mimetype_filter limit returned content to this mimetype or mimepart
888
+     * @return \OC\Files\FileInfo[]
889
+     */
890
+    public static function getDirectoryContent($directory, $mimetype_filter = '') {
891
+        return self::$defaultInstance->getDirectoryContent($directory, $mimetype_filter);
892
+    }
893
+
894
+    /**
895
+     * Get the path of a file by id
896
+     *
897
+     * Note that the resulting path is not guaranteed to be unique for the id, multiple paths can point to the same file
898
+     *
899
+     * @param int $id
900
+     * @throws NotFoundException
901
+     * @return string
902
+     */
903
+    public static function getPath($id) {
904
+        return self::$defaultInstance->getPath($id);
905
+    }
906
+
907
+    /**
908
+     * Get the owner for a file or folder
909
+     *
910
+     * @param string $path
911
+     * @return string
912
+     */
913
+    public static function getOwner($path) {
914
+        return self::$defaultInstance->getOwner($path);
915
+    }
916
+
917
+    /**
918
+     * get the ETag for a file or folder
919
+     *
920
+     * @param string $path
921
+     * @return string
922
+     */
923
+    static public function getETag($path) {
924
+        return self::$defaultInstance->getETag($path);
925
+    }
926 926
 }
Please login to merge, or discard this patch.
Spacing   +10 added lines, -10 removed lines patch added patch discarded remove patch
@@ -409,17 +409,17 @@  discard block
 block discarded – undo
409 409
 		$userObject = $userManager->get($user);
410 410
 
411 411
 		if (is_null($userObject)) {
412
-			\OCP\Util::writeLog('files', ' Backends provided no user object for ' . $user, ILogger::ERROR);
412
+			\OCP\Util::writeLog('files', ' Backends provided no user object for '.$user, ILogger::ERROR);
413 413
 			// reset flag, this will make it possible to rethrow the exception if called again
414 414
 			unset(self::$usersSetup[$user]);
415
-			throw new \OC\User\NoUserException('Backends provided no user object for ' . $user);
415
+			throw new \OC\User\NoUserException('Backends provided no user object for '.$user);
416 416
 		}
417 417
 
418 418
 		$realUid = $userObject->getUID();
419 419
 		// workaround in case of different casings
420 420
 		if ($user !== $realUid) {
421 421
 			$stack = json_encode(debug_backtrace(DEBUG_BACKTRACE_IGNORE_ARGS, 50));
422
-			\OCP\Util::writeLog('files', 'initMountPoints() called with wrong user casing. This could be a bug. Expected: "' . $realUid . '" got "' . $user . '". Stack: ' . $stack, ILogger::WARN);
422
+			\OCP\Util::writeLog('files', 'initMountPoints() called with wrong user casing. This could be a bug. Expected: "'.$realUid.'" got "'.$user.'". Stack: '.$stack, ILogger::WARN);
423 423
 			$user = $realUid;
424 424
 
425 425
 			// again with the correct casing
@@ -452,11 +452,11 @@  discard block
 block discarded – undo
452 452
 		} else {
453 453
 			self::getMountManager()->addMount(new MountPoint(
454 454
 				new NullStorage([]),
455
-				'/' . $user
455
+				'/'.$user
456 456
 			));
457 457
 			self::getMountManager()->addMount(new MountPoint(
458 458
 				new NullStorage([]),
459
-				'/' . $user . '/files'
459
+				'/'.$user.'/files'
460 460
 			));
461 461
 		}
462 462
 		\OC_Hook::emit('OC_Filesystem', 'post_initMountPoints', array('user' => $user));
@@ -471,7 +471,7 @@  discard block
 block discarded – undo
471 471
 	private static function listenForNewMountProviders(MountProviderCollection $mountConfigManager, IUserManager $userManager) {
472 472
 		if (!self::$listeningForProviders) {
473 473
 			self::$listeningForProviders = true;
474
-			$mountConfigManager->listen('\OC\Files\Config', 'registerMountProvider', function (IMountProvider $provider) use ($userManager) {
474
+			$mountConfigManager->listen('\OC\Files\Config', 'registerMountProvider', function(IMountProvider $provider) use ($userManager) {
475 475
 				foreach (Filesystem::$usersSetup as $user => $setup) {
476 476
 					$userObject = $userManager->get($user);
477 477
 					if ($userObject) {
@@ -566,7 +566,7 @@  discard block
 block discarded – undo
566 566
 	 * @return string
567 567
 	 */
568 568
 	static public function getLocalPath($path) {
569
-		$datadir = \OC_User::getHome(\OC_User::getUser()) . '/files';
569
+		$datadir = \OC_User::getHome(\OC_User::getUser()).'/files';
570 570
 		$newpath = $path;
571 571
 		if (strncmp($newpath, $datadir, strlen($datadir)) == 0) {
572 572
 			$newpath = substr($path, strlen($datadir));
@@ -583,7 +583,7 @@  discard block
 block discarded – undo
583 583
 	static public function isValidPath($path) {
584 584
 		$path = self::normalizePath($path);
585 585
 		if (!$path || $path[0] !== '/') {
586
-			$path = '/' . $path;
586
+			$path = '/'.$path;
587 587
 		}
588 588
 		if (strpos($path, '/../') !== false || strrchr($path, '/') === '/..') {
589 589
 			return false;
@@ -804,7 +804,7 @@  discard block
 block discarded – undo
804 804
 		 *        conversion should get removed as soon as all existing
805 805
 		 *        function calls have been fixed.
806 806
 		 */
807
-		$path = (string)$path;
807
+		$path = (string) $path;
808 808
 
809 809
 		$cacheKey = json_encode([$path, $stripTrailingSlash, $isAbsolutePath, $keepUnicode]);
810 810
 
@@ -826,7 +826,7 @@  discard block
 block discarded – undo
826 826
 
827 827
 		//add leading slash
828 828
 		if ($path[0] !== '/') {
829
-			$path = '/' . $path;
829
+			$path = '/'.$path;
830 830
 		}
831 831
 
832 832
 		// remove '/./'
Please login to merge, or discard this patch.
lib/private/Files/View.php 2 patches
Indentation   +2080 added lines, -2080 removed lines patch added patch discarded remove patch
@@ -81,2084 +81,2084 @@
 block discarded – undo
81 81
  * \OC\Files\Storage\Storage object
82 82
  */
83 83
 class View {
84
-	/** @var string */
85
-	private $fakeRoot = '';
86
-
87
-	/**
88
-	 * @var \OCP\Lock\ILockingProvider
89
-	 */
90
-	protected $lockingProvider;
91
-
92
-	private $lockingEnabled;
93
-
94
-	private $updaterEnabled = true;
95
-
96
-	/** @var \OC\User\Manager */
97
-	private $userManager;
98
-
99
-	/** @var \OCP\ILogger */
100
-	private $logger;
101
-
102
-	/**
103
-	 * @param string $root
104
-	 * @throws \Exception If $root contains an invalid path
105
-	 */
106
-	public function __construct($root = '') {
107
-		if (is_null($root)) {
108
-			throw new \InvalidArgumentException('Root can\'t be null');
109
-		}
110
-		if (!Filesystem::isValidPath($root)) {
111
-			throw new \Exception();
112
-		}
113
-
114
-		$this->fakeRoot = $root;
115
-		$this->lockingProvider = \OC::$server->getLockingProvider();
116
-		$this->lockingEnabled = !($this->lockingProvider instanceof \OC\Lock\NoopLockingProvider);
117
-		$this->userManager = \OC::$server->getUserManager();
118
-		$this->logger = \OC::$server->getLogger();
119
-	}
120
-
121
-	public function getAbsolutePath($path = '/') {
122
-		if ($path === null) {
123
-			return null;
124
-		}
125
-		$this->assertPathLength($path);
126
-		if ($path === '') {
127
-			$path = '/';
128
-		}
129
-		if ($path[0] !== '/') {
130
-			$path = '/' . $path;
131
-		}
132
-		return $this->fakeRoot . $path;
133
-	}
134
-
135
-	/**
136
-	 * change the root to a fake root
137
-	 *
138
-	 * @param string $fakeRoot
139
-	 * @return boolean|null
140
-	 */
141
-	public function chroot($fakeRoot) {
142
-		if (!$fakeRoot == '') {
143
-			if ($fakeRoot[0] !== '/') {
144
-				$fakeRoot = '/' . $fakeRoot;
145
-			}
146
-		}
147
-		$this->fakeRoot = $fakeRoot;
148
-	}
149
-
150
-	/**
151
-	 * get the fake root
152
-	 *
153
-	 * @return string
154
-	 */
155
-	public function getRoot() {
156
-		return $this->fakeRoot;
157
-	}
158
-
159
-	/**
160
-	 * get path relative to the root of the view
161
-	 *
162
-	 * @param string $path
163
-	 * @return string
164
-	 */
165
-	public function getRelativePath($path) {
166
-		$this->assertPathLength($path);
167
-		if ($this->fakeRoot == '') {
168
-			return $path;
169
-		}
170
-
171
-		if (rtrim($path, '/') === rtrim($this->fakeRoot, '/')) {
172
-			return '/';
173
-		}
174
-
175
-		// missing slashes can cause wrong matches!
176
-		$root = rtrim($this->fakeRoot, '/') . '/';
177
-
178
-		if (strpos($path, $root) !== 0) {
179
-			return null;
180
-		} else {
181
-			$path = substr($path, strlen($this->fakeRoot));
182
-			if (strlen($path) === 0) {
183
-				return '/';
184
-			} else {
185
-				return $path;
186
-			}
187
-		}
188
-	}
189
-
190
-	/**
191
-	 * get the mountpoint of the storage object for a path
192
-	 * ( note: because a storage is not always mounted inside the fakeroot, the
193
-	 * returned mountpoint is relative to the absolute root of the filesystem
194
-	 * and does not take the chroot into account )
195
-	 *
196
-	 * @param string $path
197
-	 * @return string
198
-	 */
199
-	public function getMountPoint($path) {
200
-		return Filesystem::getMountPoint($this->getAbsolutePath($path));
201
-	}
202
-
203
-	/**
204
-	 * get the mountpoint of the storage object for a path
205
-	 * ( note: because a storage is not always mounted inside the fakeroot, the
206
-	 * returned mountpoint is relative to the absolute root of the filesystem
207
-	 * and does not take the chroot into account )
208
-	 *
209
-	 * @param string $path
210
-	 * @return \OCP\Files\Mount\IMountPoint
211
-	 */
212
-	public function getMount($path) {
213
-		return Filesystem::getMountManager()->find($this->getAbsolutePath($path));
214
-	}
215
-
216
-	/**
217
-	 * resolve a path to a storage and internal path
218
-	 *
219
-	 * @param string $path
220
-	 * @return array an array consisting of the storage and the internal path
221
-	 */
222
-	public function resolvePath($path) {
223
-		$a = $this->getAbsolutePath($path);
224
-		$p = Filesystem::normalizePath($a);
225
-		return Filesystem::resolvePath($p);
226
-	}
227
-
228
-	/**
229
-	 * return the path to a local version of the file
230
-	 * we need this because we can't know if a file is stored local or not from
231
-	 * outside the filestorage and for some purposes a local file is needed
232
-	 *
233
-	 * @param string $path
234
-	 * @return string
235
-	 */
236
-	public function getLocalFile($path) {
237
-		$parent = substr($path, 0, strrpos($path, '/'));
238
-		$path = $this->getAbsolutePath($path);
239
-		list($storage, $internalPath) = Filesystem::resolvePath($path);
240
-		if (Filesystem::isValidPath($parent) and $storage) {
241
-			return $storage->getLocalFile($internalPath);
242
-		} else {
243
-			return null;
244
-		}
245
-	}
246
-
247
-	/**
248
-	 * @param string $path
249
-	 * @return string
250
-	 */
251
-	public function getLocalFolder($path) {
252
-		$parent = substr($path, 0, strrpos($path, '/'));
253
-		$path = $this->getAbsolutePath($path);
254
-		list($storage, $internalPath) = Filesystem::resolvePath($path);
255
-		if (Filesystem::isValidPath($parent) and $storage) {
256
-			return $storage->getLocalFolder($internalPath);
257
-		} else {
258
-			return null;
259
-		}
260
-	}
261
-
262
-	/**
263
-	 * the following functions operate with arguments and return values identical
264
-	 * to those of their PHP built-in equivalents. Mostly they are merely wrappers
265
-	 * for \OC\Files\Storage\Storage via basicOperation().
266
-	 */
267
-	public function mkdir($path) {
268
-		return $this->basicOperation('mkdir', $path, array('create', 'write'));
269
-	}
270
-
271
-	/**
272
-	 * remove mount point
273
-	 *
274
-	 * @param \OC\Files\Mount\MoveableMount $mount
275
-	 * @param string $path relative to data/
276
-	 * @return boolean
277
-	 */
278
-	protected function removeMount($mount, $path) {
279
-		if ($mount instanceof MoveableMount) {
280
-			// cut of /user/files to get the relative path to data/user/files
281
-			$pathParts = explode('/', $path, 4);
282
-			$relPath = '/' . $pathParts[3];
283
-			$this->lockFile($relPath, ILockingProvider::LOCK_SHARED, true);
284
-			\OC_Hook::emit(
285
-				Filesystem::CLASSNAME, "umount",
286
-				array(Filesystem::signal_param_path => $relPath)
287
-			);
288
-			$this->changeLock($relPath, ILockingProvider::LOCK_EXCLUSIVE, true);
289
-			$result = $mount->removeMount();
290
-			$this->changeLock($relPath, ILockingProvider::LOCK_SHARED, true);
291
-			if ($result) {
292
-				\OC_Hook::emit(
293
-					Filesystem::CLASSNAME, "post_umount",
294
-					array(Filesystem::signal_param_path => $relPath)
295
-				);
296
-			}
297
-			$this->unlockFile($relPath, ILockingProvider::LOCK_SHARED, true);
298
-			return $result;
299
-		} else {
300
-			// do not allow deleting the storage's root / the mount point
301
-			// because for some storages it might delete the whole contents
302
-			// but isn't supposed to work that way
303
-			return false;
304
-		}
305
-	}
306
-
307
-	public function disableCacheUpdate() {
308
-		$this->updaterEnabled = false;
309
-	}
310
-
311
-	public function enableCacheUpdate() {
312
-		$this->updaterEnabled = true;
313
-	}
314
-
315
-	protected function writeUpdate(Storage $storage, $internalPath, $time = null) {
316
-		if ($this->updaterEnabled) {
317
-			if (is_null($time)) {
318
-				$time = time();
319
-			}
320
-			$storage->getUpdater()->update($internalPath, $time);
321
-		}
322
-	}
323
-
324
-	protected function removeUpdate(Storage $storage, $internalPath) {
325
-		if ($this->updaterEnabled) {
326
-			$storage->getUpdater()->remove($internalPath);
327
-		}
328
-	}
329
-
330
-	protected function renameUpdate(Storage $sourceStorage, Storage $targetStorage, $sourceInternalPath, $targetInternalPath) {
331
-		if ($this->updaterEnabled) {
332
-			$targetStorage->getUpdater()->renameFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
333
-		}
334
-	}
335
-
336
-	/**
337
-	 * @param string $path
338
-	 * @return bool|mixed
339
-	 */
340
-	public function rmdir($path) {
341
-		$absolutePath = $this->getAbsolutePath($path);
342
-		$mount = Filesystem::getMountManager()->find($absolutePath);
343
-		if ($mount->getInternalPath($absolutePath) === '') {
344
-			return $this->removeMount($mount, $absolutePath);
345
-		}
346
-		if ($this->is_dir($path)) {
347
-			$result = $this->basicOperation('rmdir', $path, array('delete'));
348
-		} else {
349
-			$result = false;
350
-		}
351
-
352
-		if (!$result && !$this->file_exists($path)) { //clear ghost files from the cache on delete
353
-			$storage = $mount->getStorage();
354
-			$internalPath = $mount->getInternalPath($absolutePath);
355
-			$storage->getUpdater()->remove($internalPath);
356
-		}
357
-		return $result;
358
-	}
359
-
360
-	/**
361
-	 * @param string $path
362
-	 * @return resource
363
-	 */
364
-	public function opendir($path) {
365
-		return $this->basicOperation('opendir', $path, array('read'));
366
-	}
367
-
368
-	/**
369
-	 * @param string $path
370
-	 * @return bool|mixed
371
-	 */
372
-	public function is_dir($path) {
373
-		if ($path == '/') {
374
-			return true;
375
-		}
376
-		return $this->basicOperation('is_dir', $path);
377
-	}
378
-
379
-	/**
380
-	 * @param string $path
381
-	 * @return bool|mixed
382
-	 */
383
-	public function is_file($path) {
384
-		if ($path == '/') {
385
-			return false;
386
-		}
387
-		return $this->basicOperation('is_file', $path);
388
-	}
389
-
390
-	/**
391
-	 * @param string $path
392
-	 * @return mixed
393
-	 */
394
-	public function stat($path) {
395
-		return $this->basicOperation('stat', $path);
396
-	}
397
-
398
-	/**
399
-	 * @param string $path
400
-	 * @return mixed
401
-	 */
402
-	public function filetype($path) {
403
-		return $this->basicOperation('filetype', $path);
404
-	}
405
-
406
-	/**
407
-	 * @param string $path
408
-	 * @return mixed
409
-	 */
410
-	public function filesize($path) {
411
-		return $this->basicOperation('filesize', $path);
412
-	}
413
-
414
-	/**
415
-	 * @param string $path
416
-	 * @return bool|mixed
417
-	 * @throws \OCP\Files\InvalidPathException
418
-	 */
419
-	public function readfile($path) {
420
-		$this->assertPathLength($path);
421
-		@ob_end_clean();
422
-		$handle = $this->fopen($path, 'rb');
423
-		if ($handle) {
424
-			$chunkSize = 8192; // 8 kB chunks
425
-			while (!feof($handle)) {
426
-				echo fread($handle, $chunkSize);
427
-				flush();
428
-			}
429
-			fclose($handle);
430
-			return $this->filesize($path);
431
-		}
432
-		return false;
433
-	}
434
-
435
-	/**
436
-	 * @param string $path
437
-	 * @param int $from
438
-	 * @param int $to
439
-	 * @return bool|mixed
440
-	 * @throws \OCP\Files\InvalidPathException
441
-	 * @throws \OCP\Files\UnseekableException
442
-	 */
443
-	public function readfilePart($path, $from, $to) {
444
-		$this->assertPathLength($path);
445
-		@ob_end_clean();
446
-		$handle = $this->fopen($path, 'rb');
447
-		if ($handle) {
448
-			$chunkSize = 8192; // 8 kB chunks
449
-			$startReading = true;
450
-
451
-			if ($from !== 0 && $from !== '0' && fseek($handle, $from) !== 0) {
452
-				// forward file handle via chunked fread because fseek seem to have failed
453
-
454
-				$end = $from + 1;
455
-				while (!feof($handle) && ftell($handle) < $end) {
456
-					$len = $from - ftell($handle);
457
-					if ($len > $chunkSize) {
458
-						$len = $chunkSize;
459
-					}
460
-					$result = fread($handle, $len);
461
-
462
-					if ($result === false) {
463
-						$startReading = false;
464
-						break;
465
-					}
466
-				}
467
-			}
468
-
469
-			if ($startReading) {
470
-				$end = $to + 1;
471
-				while (!feof($handle) && ftell($handle) < $end) {
472
-					$len = $end - ftell($handle);
473
-					if ($len > $chunkSize) {
474
-						$len = $chunkSize;
475
-					}
476
-					echo fread($handle, $len);
477
-					flush();
478
-				}
479
-				return ftell($handle) - $from;
480
-			}
481
-
482
-			throw new \OCP\Files\UnseekableException('fseek error');
483
-		}
484
-		return false;
485
-	}
486
-
487
-	/**
488
-	 * @param string $path
489
-	 * @return mixed
490
-	 */
491
-	public function isCreatable($path) {
492
-		return $this->basicOperation('isCreatable', $path);
493
-	}
494
-
495
-	/**
496
-	 * @param string $path
497
-	 * @return mixed
498
-	 */
499
-	public function isReadable($path) {
500
-		return $this->basicOperation('isReadable', $path);
501
-	}
502
-
503
-	/**
504
-	 * @param string $path
505
-	 * @return mixed
506
-	 */
507
-	public function isUpdatable($path) {
508
-		return $this->basicOperation('isUpdatable', $path);
509
-	}
510
-
511
-	/**
512
-	 * @param string $path
513
-	 * @return bool|mixed
514
-	 */
515
-	public function isDeletable($path) {
516
-		$absolutePath = $this->getAbsolutePath($path);
517
-		$mount = Filesystem::getMountManager()->find($absolutePath);
518
-		if ($mount->getInternalPath($absolutePath) === '') {
519
-			return $mount instanceof MoveableMount;
520
-		}
521
-		return $this->basicOperation('isDeletable', $path);
522
-	}
523
-
524
-	/**
525
-	 * @param string $path
526
-	 * @return mixed
527
-	 */
528
-	public function isSharable($path) {
529
-		return $this->basicOperation('isSharable', $path);
530
-	}
531
-
532
-	/**
533
-	 * @param string $path
534
-	 * @return bool|mixed
535
-	 */
536
-	public function file_exists($path) {
537
-		if ($path == '/') {
538
-			return true;
539
-		}
540
-		return $this->basicOperation('file_exists', $path);
541
-	}
542
-
543
-	/**
544
-	 * @param string $path
545
-	 * @return mixed
546
-	 */
547
-	public function filemtime($path) {
548
-		return $this->basicOperation('filemtime', $path);
549
-	}
550
-
551
-	/**
552
-	 * @param string $path
553
-	 * @param int|string $mtime
554
-	 * @return bool
555
-	 */
556
-	public function touch($path, $mtime = null) {
557
-		if (!is_null($mtime) and !is_numeric($mtime)) {
558
-			$mtime = strtotime($mtime);
559
-		}
560
-
561
-		$hooks = array('touch');
562
-
563
-		if (!$this->file_exists($path)) {
564
-			$hooks[] = 'create';
565
-			$hooks[] = 'write';
566
-		}
567
-		$result = $this->basicOperation('touch', $path, $hooks, $mtime);
568
-		if (!$result) {
569
-			// If create file fails because of permissions on external storage like SMB folders,
570
-			// check file exists and return false if not.
571
-			if (!$this->file_exists($path)) {
572
-				return false;
573
-			}
574
-			if (is_null($mtime)) {
575
-				$mtime = time();
576
-			}
577
-			//if native touch fails, we emulate it by changing the mtime in the cache
578
-			$this->putFileInfo($path, array('mtime' => floor($mtime)));
579
-		}
580
-		return true;
581
-	}
582
-
583
-	/**
584
-	 * @param string $path
585
-	 * @return mixed
586
-	 */
587
-	public function file_get_contents($path) {
588
-		return $this->basicOperation('file_get_contents', $path, array('read'));
589
-	}
590
-
591
-	/**
592
-	 * @param bool $exists
593
-	 * @param string $path
594
-	 * @param bool $run
595
-	 */
596
-	protected function emit_file_hooks_pre($exists, $path, &$run) {
597
-		if (!$exists) {
598
-			\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_create, array(
599
-				Filesystem::signal_param_path => $this->getHookPath($path),
600
-				Filesystem::signal_param_run => &$run,
601
-			));
602
-		} else {
603
-			\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_update, array(
604
-				Filesystem::signal_param_path => $this->getHookPath($path),
605
-				Filesystem::signal_param_run => &$run,
606
-			));
607
-		}
608
-		\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_write, array(
609
-			Filesystem::signal_param_path => $this->getHookPath($path),
610
-			Filesystem::signal_param_run => &$run,
611
-		));
612
-	}
613
-
614
-	/**
615
-	 * @param bool $exists
616
-	 * @param string $path
617
-	 */
618
-	protected function emit_file_hooks_post($exists, $path) {
619
-		if (!$exists) {
620
-			\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_create, array(
621
-				Filesystem::signal_param_path => $this->getHookPath($path),
622
-			));
623
-		} else {
624
-			\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_update, array(
625
-				Filesystem::signal_param_path => $this->getHookPath($path),
626
-			));
627
-		}
628
-		\OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_write, array(
629
-			Filesystem::signal_param_path => $this->getHookPath($path),
630
-		));
631
-	}
632
-
633
-	/**
634
-	 * @param string $path
635
-	 * @param mixed $data
636
-	 * @return bool|mixed
637
-	 * @throws \Exception
638
-	 */
639
-	public function file_put_contents($path, $data) {
640
-		if (is_resource($data)) { //not having to deal with streams in file_put_contents makes life easier
641
-			$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
642
-			if (Filesystem::isValidPath($path)
643
-				and !Filesystem::isFileBlacklisted($path)
644
-			) {
645
-				$path = $this->getRelativePath($absolutePath);
646
-
647
-				$this->lockFile($path, ILockingProvider::LOCK_SHARED);
648
-
649
-				$exists = $this->file_exists($path);
650
-				$run = true;
651
-				if ($this->shouldEmitHooks($path)) {
652
-					$this->emit_file_hooks_pre($exists, $path, $run);
653
-				}
654
-				if (!$run) {
655
-					$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
656
-					return false;
657
-				}
658
-
659
-				$this->changeLock($path, ILockingProvider::LOCK_EXCLUSIVE);
660
-
661
-				/** @var \OC\Files\Storage\Storage $storage */
662
-				list($storage, $internalPath) = $this->resolvePath($path);
663
-				$target = $storage->fopen($internalPath, 'w');
664
-				if ($target) {
665
-					list (, $result) = \OC_Helper::streamCopy($data, $target);
666
-					fclose($target);
667
-					fclose($data);
668
-
669
-					$this->writeUpdate($storage, $internalPath);
670
-
671
-					$this->changeLock($path, ILockingProvider::LOCK_SHARED);
672
-
673
-					if ($this->shouldEmitHooks($path) && $result !== false) {
674
-						$this->emit_file_hooks_post($exists, $path);
675
-					}
676
-					$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
677
-					return $result;
678
-				} else {
679
-					$this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
680
-					return false;
681
-				}
682
-			} else {
683
-				return false;
684
-			}
685
-		} else {
686
-			$hooks = $this->file_exists($path) ? array('update', 'write') : array('create', 'write');
687
-			return $this->basicOperation('file_put_contents', $path, $hooks, $data);
688
-		}
689
-	}
690
-
691
-	/**
692
-	 * @param string $path
693
-	 * @return bool|mixed
694
-	 */
695
-	public function unlink($path) {
696
-		if ($path === '' || $path === '/') {
697
-			// do not allow deleting the root
698
-			return false;
699
-		}
700
-		$postFix = (substr($path, -1) === '/') ? '/' : '';
701
-		$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
702
-		$mount = Filesystem::getMountManager()->find($absolutePath . $postFix);
703
-		if ($mount and $mount->getInternalPath($absolutePath) === '') {
704
-			return $this->removeMount($mount, $absolutePath);
705
-		}
706
-		if ($this->is_dir($path)) {
707
-			$result = $this->basicOperation('rmdir', $path, ['delete']);
708
-		} else {
709
-			$result = $this->basicOperation('unlink', $path, ['delete']);
710
-		}
711
-		if (!$result && !$this->file_exists($path)) { //clear ghost files from the cache on delete
712
-			$storage = $mount->getStorage();
713
-			$internalPath = $mount->getInternalPath($absolutePath);
714
-			$storage->getUpdater()->remove($internalPath);
715
-			return true;
716
-		} else {
717
-			return $result;
718
-		}
719
-	}
720
-
721
-	/**
722
-	 * @param string $directory
723
-	 * @return bool|mixed
724
-	 */
725
-	public function deleteAll($directory) {
726
-		return $this->rmdir($directory);
727
-	}
728
-
729
-	/**
730
-	 * Rename/move a file or folder from the source path to target path.
731
-	 *
732
-	 * @param string $path1 source path
733
-	 * @param string $path2 target path
734
-	 *
735
-	 * @return bool|mixed
736
-	 */
737
-	public function rename($path1, $path2) {
738
-		$absolutePath1 = Filesystem::normalizePath($this->getAbsolutePath($path1));
739
-		$absolutePath2 = Filesystem::normalizePath($this->getAbsolutePath($path2));
740
-		$result = false;
741
-		if (
742
-			Filesystem::isValidPath($path2)
743
-			and Filesystem::isValidPath($path1)
744
-			and !Filesystem::isFileBlacklisted($path2)
745
-		) {
746
-			$path1 = $this->getRelativePath($absolutePath1);
747
-			$path2 = $this->getRelativePath($absolutePath2);
748
-			$exists = $this->file_exists($path2);
749
-
750
-			if ($path1 == null or $path2 == null) {
751
-				return false;
752
-			}
753
-
754
-			$this->lockFile($path1, ILockingProvider::LOCK_SHARED, true);
755
-			try {
756
-				$this->lockFile($path2, ILockingProvider::LOCK_SHARED, true);
757
-
758
-				$run = true;
759
-				if ($this->shouldEmitHooks($path1) && (Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2))) {
760
-					// if it was a rename from a part file to a regular file it was a write and not a rename operation
761
-					$this->emit_file_hooks_pre($exists, $path2, $run);
762
-				} elseif ($this->shouldEmitHooks($path1)) {
763
-					\OC_Hook::emit(
764
-						Filesystem::CLASSNAME, Filesystem::signal_rename,
765
-						array(
766
-							Filesystem::signal_param_oldpath => $this->getHookPath($path1),
767
-							Filesystem::signal_param_newpath => $this->getHookPath($path2),
768
-							Filesystem::signal_param_run => &$run
769
-						)
770
-					);
771
-				}
772
-				if ($run) {
773
-					$this->verifyPath(dirname($path2), basename($path2));
774
-
775
-					$manager = Filesystem::getMountManager();
776
-					$mount1 = $this->getMount($path1);
777
-					$mount2 = $this->getMount($path2);
778
-					$storage1 = $mount1->getStorage();
779
-					$storage2 = $mount2->getStorage();
780
-					$internalPath1 = $mount1->getInternalPath($absolutePath1);
781
-					$internalPath2 = $mount2->getInternalPath($absolutePath2);
782
-
783
-					$this->changeLock($path1, ILockingProvider::LOCK_EXCLUSIVE, true);
784
-					try {
785
-						$this->changeLock($path2, ILockingProvider::LOCK_EXCLUSIVE, true);
786
-
787
-						if ($internalPath1 === '') {
788
-							if ($mount1 instanceof MoveableMount) {
789
-								if ($this->isTargetAllowed($absolutePath2)) {
790
-									/**
791
-									 * @var \OC\Files\Mount\MountPoint | \OC\Files\Mount\MoveableMount $mount1
792
-									 */
793
-									$sourceMountPoint = $mount1->getMountPoint();
794
-									$result = $mount1->moveMount($absolutePath2);
795
-									$manager->moveMount($sourceMountPoint, $mount1->getMountPoint());
796
-								} else {
797
-									$result = false;
798
-								}
799
-							} else {
800
-								$result = false;
801
-							}
802
-							// moving a file/folder within the same mount point
803
-						} elseif ($storage1 === $storage2) {
804
-							if ($storage1) {
805
-								$result = $storage1->rename($internalPath1, $internalPath2);
806
-							} else {
807
-								$result = false;
808
-							}
809
-							// moving a file/folder between storages (from $storage1 to $storage2)
810
-						} else {
811
-							$result = $storage2->moveFromStorage($storage1, $internalPath1, $internalPath2);
812
-						}
813
-
814
-						if ((Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2)) && $result !== false) {
815
-							// if it was a rename from a part file to a regular file it was a write and not a rename operation
816
-							$this->writeUpdate($storage2, $internalPath2);
817
-						} else if ($result) {
818
-							if ($internalPath1 !== '') { // don't do a cache update for moved mounts
819
-								$this->renameUpdate($storage1, $storage2, $internalPath1, $internalPath2);
820
-							}
821
-						}
822
-					} catch(\Exception $e) {
823
-						throw $e;
824
-					} finally {
825
-						$this->changeLock($path1, ILockingProvider::LOCK_SHARED, true);
826
-						$this->changeLock($path2, ILockingProvider::LOCK_SHARED, true);
827
-					}
828
-
829
-					if ((Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2)) && $result !== false) {
830
-						if ($this->shouldEmitHooks()) {
831
-							$this->emit_file_hooks_post($exists, $path2);
832
-						}
833
-					} elseif ($result) {
834
-						if ($this->shouldEmitHooks($path1) and $this->shouldEmitHooks($path2)) {
835
-							\OC_Hook::emit(
836
-								Filesystem::CLASSNAME,
837
-								Filesystem::signal_post_rename,
838
-								array(
839
-									Filesystem::signal_param_oldpath => $this->getHookPath($path1),
840
-									Filesystem::signal_param_newpath => $this->getHookPath($path2)
841
-								)
842
-							);
843
-						}
844
-					}
845
-				}
846
-			} catch(\Exception $e) {
847
-				throw $e;
848
-			} finally {
849
-				$this->unlockFile($path1, ILockingProvider::LOCK_SHARED, true);
850
-				$this->unlockFile($path2, ILockingProvider::LOCK_SHARED, true);
851
-			}
852
-		}
853
-		return $result;
854
-	}
855
-
856
-	/**
857
-	 * Copy a file/folder from the source path to target path
858
-	 *
859
-	 * @param string $path1 source path
860
-	 * @param string $path2 target path
861
-	 * @param bool $preserveMtime whether to preserve mtime on the copy
862
-	 *
863
-	 * @return bool|mixed
864
-	 */
865
-	public function copy($path1, $path2, $preserveMtime = false) {
866
-		$absolutePath1 = Filesystem::normalizePath($this->getAbsolutePath($path1));
867
-		$absolutePath2 = Filesystem::normalizePath($this->getAbsolutePath($path2));
868
-		$result = false;
869
-		if (
870
-			Filesystem::isValidPath($path2)
871
-			and Filesystem::isValidPath($path1)
872
-			and !Filesystem::isFileBlacklisted($path2)
873
-		) {
874
-			$path1 = $this->getRelativePath($absolutePath1);
875
-			$path2 = $this->getRelativePath($absolutePath2);
876
-
877
-			if ($path1 == null or $path2 == null) {
878
-				return false;
879
-			}
880
-			$run = true;
881
-
882
-			$this->lockFile($path2, ILockingProvider::LOCK_SHARED);
883
-			$this->lockFile($path1, ILockingProvider::LOCK_SHARED);
884
-			$lockTypePath1 = ILockingProvider::LOCK_SHARED;
885
-			$lockTypePath2 = ILockingProvider::LOCK_SHARED;
886
-
887
-			try {
888
-
889
-				$exists = $this->file_exists($path2);
890
-				if ($this->shouldEmitHooks()) {
891
-					\OC_Hook::emit(
892
-						Filesystem::CLASSNAME,
893
-						Filesystem::signal_copy,
894
-						array(
895
-							Filesystem::signal_param_oldpath => $this->getHookPath($path1),
896
-							Filesystem::signal_param_newpath => $this->getHookPath($path2),
897
-							Filesystem::signal_param_run => &$run
898
-						)
899
-					);
900
-					$this->emit_file_hooks_pre($exists, $path2, $run);
901
-				}
902
-				if ($run) {
903
-					$mount1 = $this->getMount($path1);
904
-					$mount2 = $this->getMount($path2);
905
-					$storage1 = $mount1->getStorage();
906
-					$internalPath1 = $mount1->getInternalPath($absolutePath1);
907
-					$storage2 = $mount2->getStorage();
908
-					$internalPath2 = $mount2->getInternalPath($absolutePath2);
909
-
910
-					$this->changeLock($path2, ILockingProvider::LOCK_EXCLUSIVE);
911
-					$lockTypePath2 = ILockingProvider::LOCK_EXCLUSIVE;
912
-
913
-					if ($mount1->getMountPoint() == $mount2->getMountPoint()) {
914
-						if ($storage1) {
915
-							$result = $storage1->copy($internalPath1, $internalPath2);
916
-						} else {
917
-							$result = false;
918
-						}
919
-					} else {
920
-						$result = $storage2->copyFromStorage($storage1, $internalPath1, $internalPath2);
921
-					}
922
-
923
-					$this->writeUpdate($storage2, $internalPath2);
924
-
925
-					$this->changeLock($path2, ILockingProvider::LOCK_SHARED);
926
-					$lockTypePath2 = ILockingProvider::LOCK_SHARED;
927
-
928
-					if ($this->shouldEmitHooks() && $result !== false) {
929
-						\OC_Hook::emit(
930
-							Filesystem::CLASSNAME,
931
-							Filesystem::signal_post_copy,
932
-							array(
933
-								Filesystem::signal_param_oldpath => $this->getHookPath($path1),
934
-								Filesystem::signal_param_newpath => $this->getHookPath($path2)
935
-							)
936
-						);
937
-						$this->emit_file_hooks_post($exists, $path2);
938
-					}
939
-
940
-				}
941
-			} catch (\Exception $e) {
942
-				$this->unlockFile($path2, $lockTypePath2);
943
-				$this->unlockFile($path1, $lockTypePath1);
944
-				throw $e;
945
-			}
946
-
947
-			$this->unlockFile($path2, $lockTypePath2);
948
-			$this->unlockFile($path1, $lockTypePath1);
949
-
950
-		}
951
-		return $result;
952
-	}
953
-
954
-	/**
955
-	 * @param string $path
956
-	 * @param string $mode 'r' or 'w'
957
-	 * @return resource
958
-	 */
959
-	public function fopen($path, $mode) {
960
-		$mode = str_replace('b', '', $mode); // the binary flag is a windows only feature which we do not support
961
-		$hooks = array();
962
-		switch ($mode) {
963
-			case 'r':
964
-				$hooks[] = 'read';
965
-				break;
966
-			case 'r+':
967
-			case 'w+':
968
-			case 'x+':
969
-			case 'a+':
970
-				$hooks[] = 'read';
971
-				$hooks[] = 'write';
972
-				break;
973
-			case 'w':
974
-			case 'x':
975
-			case 'a':
976
-				$hooks[] = 'write';
977
-				break;
978
-			default:
979
-				\OCP\Util::writeLog('core', 'invalid mode (' . $mode . ') for ' . $path, ILogger::ERROR);
980
-		}
981
-
982
-		if ($mode !== 'r' && $mode !== 'w') {
983
-			\OC::$server->getLogger()->info('Trying to open a file with a mode other than "r" or "w" can cause severe performance issues with some backends');
984
-		}
985
-
986
-		return $this->basicOperation('fopen', $path, $hooks, $mode);
987
-	}
988
-
989
-	/**
990
-	 * @param string $path
991
-	 * @return bool|string
992
-	 * @throws \OCP\Files\InvalidPathException
993
-	 */
994
-	public function toTmpFile($path) {
995
-		$this->assertPathLength($path);
996
-		if (Filesystem::isValidPath($path)) {
997
-			$source = $this->fopen($path, 'r');
998
-			if ($source) {
999
-				$extension = pathinfo($path, PATHINFO_EXTENSION);
1000
-				$tmpFile = \OC::$server->getTempManager()->getTemporaryFile($extension);
1001
-				file_put_contents($tmpFile, $source);
1002
-				return $tmpFile;
1003
-			} else {
1004
-				return false;
1005
-			}
1006
-		} else {
1007
-			return false;
1008
-		}
1009
-	}
1010
-
1011
-	/**
1012
-	 * @param string $tmpFile
1013
-	 * @param string $path
1014
-	 * @return bool|mixed
1015
-	 * @throws \OCP\Files\InvalidPathException
1016
-	 */
1017
-	public function fromTmpFile($tmpFile, $path) {
1018
-		$this->assertPathLength($path);
1019
-		if (Filesystem::isValidPath($path)) {
1020
-
1021
-			// Get directory that the file is going into
1022
-			$filePath = dirname($path);
1023
-
1024
-			// Create the directories if any
1025
-			if (!$this->file_exists($filePath)) {
1026
-				$result = $this->createParentDirectories($filePath);
1027
-				if ($result === false) {
1028
-					return false;
1029
-				}
1030
-			}
1031
-
1032
-			$source = fopen($tmpFile, 'r');
1033
-			if ($source) {
1034
-				$result = $this->file_put_contents($path, $source);
1035
-				// $this->file_put_contents() might have already closed
1036
-				// the resource, so we check it, before trying to close it
1037
-				// to avoid messages in the error log.
1038
-				if (is_resource($source)) {
1039
-					fclose($source);
1040
-				}
1041
-				unlink($tmpFile);
1042
-				return $result;
1043
-			} else {
1044
-				return false;
1045
-			}
1046
-		} else {
1047
-			return false;
1048
-		}
1049
-	}
1050
-
1051
-
1052
-	/**
1053
-	 * @param string $path
1054
-	 * @return mixed
1055
-	 * @throws \OCP\Files\InvalidPathException
1056
-	 */
1057
-	public function getMimeType($path) {
1058
-		$this->assertPathLength($path);
1059
-		return $this->basicOperation('getMimeType', $path);
1060
-	}
1061
-
1062
-	/**
1063
-	 * @param string $type
1064
-	 * @param string $path
1065
-	 * @param bool $raw
1066
-	 * @return bool|null|string
1067
-	 */
1068
-	public function hash($type, $path, $raw = false) {
1069
-		$postFix = (substr($path, -1) === '/') ? '/' : '';
1070
-		$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
1071
-		if (Filesystem::isValidPath($path)) {
1072
-			$path = $this->getRelativePath($absolutePath);
1073
-			if ($path == null) {
1074
-				return false;
1075
-			}
1076
-			if ($this->shouldEmitHooks($path)) {
1077
-				\OC_Hook::emit(
1078
-					Filesystem::CLASSNAME,
1079
-					Filesystem::signal_read,
1080
-					array(Filesystem::signal_param_path => $this->getHookPath($path))
1081
-				);
1082
-			}
1083
-			list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
1084
-			if ($storage) {
1085
-				return $storage->hash($type, $internalPath, $raw);
1086
-			}
1087
-		}
1088
-		return null;
1089
-	}
1090
-
1091
-	/**
1092
-	 * @param string $path
1093
-	 * @return mixed
1094
-	 * @throws \OCP\Files\InvalidPathException
1095
-	 */
1096
-	public function free_space($path = '/') {
1097
-		$this->assertPathLength($path);
1098
-		$result = $this->basicOperation('free_space', $path);
1099
-		if ($result === null) {
1100
-			throw new InvalidPathException();
1101
-		}
1102
-		return $result;
1103
-	}
1104
-
1105
-	/**
1106
-	 * abstraction layer for basic filesystem functions: wrapper for \OC\Files\Storage\Storage
1107
-	 *
1108
-	 * @param string $operation
1109
-	 * @param string $path
1110
-	 * @param array $hooks (optional)
1111
-	 * @param mixed $extraParam (optional)
1112
-	 * @return mixed
1113
-	 * @throws \Exception
1114
-	 *
1115
-	 * This method takes requests for basic filesystem functions (e.g. reading & writing
1116
-	 * files), processes hooks and proxies, sanitises paths, and finally passes them on to
1117
-	 * \OC\Files\Storage\Storage for delegation to a storage backend for execution
1118
-	 */
1119
-	private function basicOperation($operation, $path, $hooks = [], $extraParam = null) {
1120
-		$postFix = (substr($path, -1) === '/') ? '/' : '';
1121
-		$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
1122
-		if (Filesystem::isValidPath($path)
1123
-			and !Filesystem::isFileBlacklisted($path)
1124
-		) {
1125
-			$path = $this->getRelativePath($absolutePath);
1126
-			if ($path == null) {
1127
-				return false;
1128
-			}
1129
-
1130
-			if (in_array('write', $hooks) || in_array('delete', $hooks) || in_array('read', $hooks)) {
1131
-				// always a shared lock during pre-hooks so the hook can read the file
1132
-				$this->lockFile($path, ILockingProvider::LOCK_SHARED);
1133
-			}
1134
-
1135
-			$run = $this->runHooks($hooks, $path);
1136
-			/** @var \OC\Files\Storage\Storage $storage */
1137
-			list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
1138
-			if ($run and $storage) {
1139
-				if (in_array('write', $hooks) || in_array('delete', $hooks)) {
1140
-					$this->changeLock($path, ILockingProvider::LOCK_EXCLUSIVE);
1141
-				}
1142
-				try {
1143
-					if (!is_null($extraParam)) {
1144
-						$result = $storage->$operation($internalPath, $extraParam);
1145
-					} else {
1146
-						$result = $storage->$operation($internalPath);
1147
-					}
1148
-				} catch (\Exception $e) {
1149
-					if (in_array('write', $hooks) || in_array('delete', $hooks)) {
1150
-						$this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
1151
-					} else if (in_array('read', $hooks)) {
1152
-						$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
1153
-					}
1154
-					throw $e;
1155
-				}
1156
-
1157
-				if ($result && in_array('delete', $hooks) and $result) {
1158
-					$this->removeUpdate($storage, $internalPath);
1159
-				}
1160
-				if ($result && in_array('write', $hooks) and $operation !== 'fopen') {
1161
-					$this->writeUpdate($storage, $internalPath);
1162
-				}
1163
-				if ($result && in_array('touch', $hooks)) {
1164
-					$this->writeUpdate($storage, $internalPath, $extraParam);
1165
-				}
1166
-
1167
-				if ((in_array('write', $hooks) || in_array('delete', $hooks)) && ($operation !== 'fopen' || $result === false)) {
1168
-					$this->changeLock($path, ILockingProvider::LOCK_SHARED);
1169
-				}
1170
-
1171
-				$unlockLater = false;
1172
-				if ($this->lockingEnabled && $operation === 'fopen' && is_resource($result)) {
1173
-					$unlockLater = true;
1174
-					// make sure our unlocking callback will still be called if connection is aborted
1175
-					ignore_user_abort(true);
1176
-					$result = CallbackWrapper::wrap($result, null, null, function () use ($hooks, $path) {
1177
-						if (in_array('write', $hooks)) {
1178
-							$this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
1179
-						} else if (in_array('read', $hooks)) {
1180
-							$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
1181
-						}
1182
-					});
1183
-				}
1184
-
1185
-				if ($this->shouldEmitHooks($path) && $result !== false) {
1186
-					if ($operation != 'fopen') { //no post hooks for fopen, the file stream is still open
1187
-						$this->runHooks($hooks, $path, true);
1188
-					}
1189
-				}
1190
-
1191
-				if (!$unlockLater
1192
-					&& (in_array('write', $hooks) || in_array('delete', $hooks) || in_array('read', $hooks))
1193
-				) {
1194
-					$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
1195
-				}
1196
-				return $result;
1197
-			} else {
1198
-				$this->unlockFile($path, ILockingProvider::LOCK_SHARED);
1199
-			}
1200
-		}
1201
-		return null;
1202
-	}
1203
-
1204
-	/**
1205
-	 * get the path relative to the default root for hook usage
1206
-	 *
1207
-	 * @param string $path
1208
-	 * @return string
1209
-	 */
1210
-	private function getHookPath($path) {
1211
-		if (!Filesystem::getView()) {
1212
-			return $path;
1213
-		}
1214
-		return Filesystem::getView()->getRelativePath($this->getAbsolutePath($path));
1215
-	}
1216
-
1217
-	private function shouldEmitHooks($path = '') {
1218
-		if ($path && Cache\Scanner::isPartialFile($path)) {
1219
-			return false;
1220
-		}
1221
-		if (!Filesystem::$loaded) {
1222
-			return false;
1223
-		}
1224
-		$defaultRoot = Filesystem::getRoot();
1225
-		if ($defaultRoot === null) {
1226
-			return false;
1227
-		}
1228
-		if ($this->fakeRoot === $defaultRoot) {
1229
-			return true;
1230
-		}
1231
-		$fullPath = $this->getAbsolutePath($path);
1232
-
1233
-		if ($fullPath === $defaultRoot) {
1234
-			return true;
1235
-		}
1236
-
1237
-		return (strlen($fullPath) > strlen($defaultRoot)) && (substr($fullPath, 0, strlen($defaultRoot) + 1) === $defaultRoot . '/');
1238
-	}
1239
-
1240
-	/**
1241
-	 * @param string[] $hooks
1242
-	 * @param string $path
1243
-	 * @param bool $post
1244
-	 * @return bool
1245
-	 */
1246
-	private function runHooks($hooks, $path, $post = false) {
1247
-		$relativePath = $path;
1248
-		$path = $this->getHookPath($path);
1249
-		$prefix = $post ? 'post_' : '';
1250
-		$run = true;
1251
-		if ($this->shouldEmitHooks($relativePath)) {
1252
-			foreach ($hooks as $hook) {
1253
-				if ($hook != 'read') {
1254
-					\OC_Hook::emit(
1255
-						Filesystem::CLASSNAME,
1256
-						$prefix . $hook,
1257
-						array(
1258
-							Filesystem::signal_param_run => &$run,
1259
-							Filesystem::signal_param_path => $path
1260
-						)
1261
-					);
1262
-				} elseif (!$post) {
1263
-					\OC_Hook::emit(
1264
-						Filesystem::CLASSNAME,
1265
-						$prefix . $hook,
1266
-						array(
1267
-							Filesystem::signal_param_path => $path
1268
-						)
1269
-					);
1270
-				}
1271
-			}
1272
-		}
1273
-		return $run;
1274
-	}
1275
-
1276
-	/**
1277
-	 * check if a file or folder has been updated since $time
1278
-	 *
1279
-	 * @param string $path
1280
-	 * @param int $time
1281
-	 * @return bool
1282
-	 */
1283
-	public function hasUpdated($path, $time) {
1284
-		return $this->basicOperation('hasUpdated', $path, array(), $time);
1285
-	}
1286
-
1287
-	/**
1288
-	 * @param string $ownerId
1289
-	 * @return \OC\User\User
1290
-	 */
1291
-	private function getUserObjectForOwner($ownerId) {
1292
-		$owner = $this->userManager->get($ownerId);
1293
-		if ($owner instanceof IUser) {
1294
-			return $owner;
1295
-		} else {
1296
-			return new User($ownerId, null);
1297
-		}
1298
-	}
1299
-
1300
-	/**
1301
-	 * Get file info from cache
1302
-	 *
1303
-	 * If the file is not in cached it will be scanned
1304
-	 * If the file has changed on storage the cache will be updated
1305
-	 *
1306
-	 * @param \OC\Files\Storage\Storage $storage
1307
-	 * @param string $internalPath
1308
-	 * @param string $relativePath
1309
-	 * @return ICacheEntry|bool
1310
-	 */
1311
-	private function getCacheEntry($storage, $internalPath, $relativePath) {
1312
-		$cache = $storage->getCache($internalPath);
1313
-		$data = $cache->get($internalPath);
1314
-		$watcher = $storage->getWatcher($internalPath);
1315
-
1316
-		try {
1317
-			// if the file is not in the cache or needs to be updated, trigger the scanner and reload the data
1318
-			if (!$data || $data['size'] === -1) {
1319
-				$this->lockFile($relativePath, ILockingProvider::LOCK_SHARED);
1320
-				if (!$storage->file_exists($internalPath)) {
1321
-					$this->unlockFile($relativePath, ILockingProvider::LOCK_SHARED);
1322
-					return false;
1323
-				}
1324
-				$scanner = $storage->getScanner($internalPath);
1325
-				$scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
1326
-				$data = $cache->get($internalPath);
1327
-				$this->unlockFile($relativePath, ILockingProvider::LOCK_SHARED);
1328
-			} else if (!Cache\Scanner::isPartialFile($internalPath) && $watcher->needsUpdate($internalPath, $data)) {
1329
-				$this->lockFile($relativePath, ILockingProvider::LOCK_SHARED);
1330
-				$watcher->update($internalPath, $data);
1331
-				$storage->getPropagator()->propagateChange($internalPath, time());
1332
-				$data = $cache->get($internalPath);
1333
-				$this->unlockFile($relativePath, ILockingProvider::LOCK_SHARED);
1334
-			}
1335
-		} catch (LockedException $e) {
1336
-			// if the file is locked we just use the old cache info
1337
-		}
1338
-
1339
-		return $data;
1340
-	}
1341
-
1342
-	/**
1343
-	 * get the filesystem info
1344
-	 *
1345
-	 * @param string $path
1346
-	 * @param boolean|string $includeMountPoints true to add mountpoint sizes,
1347
-	 * 'ext' to add only ext storage mount point sizes. Defaults to true.
1348
-	 * defaults to true
1349
-	 * @return \OC\Files\FileInfo|false False if file does not exist
1350
-	 */
1351
-	public function getFileInfo($path, $includeMountPoints = true) {
1352
-		$this->assertPathLength($path);
1353
-		if (!Filesystem::isValidPath($path)) {
1354
-			return false;
1355
-		}
1356
-		if (Cache\Scanner::isPartialFile($path)) {
1357
-			return $this->getPartFileInfo($path);
1358
-		}
1359
-		$relativePath = $path;
1360
-		$path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
1361
-
1362
-		$mount = Filesystem::getMountManager()->find($path);
1363
-		if (!$mount) {
1364
-			return false;
1365
-		}
1366
-		$storage = $mount->getStorage();
1367
-		$internalPath = $mount->getInternalPath($path);
1368
-		if ($storage) {
1369
-			$data = $this->getCacheEntry($storage, $internalPath, $relativePath);
1370
-
1371
-			if (!$data instanceof ICacheEntry) {
1372
-				return false;
1373
-			}
1374
-
1375
-			if ($mount instanceof MoveableMount && $internalPath === '') {
1376
-				$data['permissions'] |= \OCP\Constants::PERMISSION_DELETE;
1377
-			}
1378
-
1379
-			$owner = $this->getUserObjectForOwner($storage->getOwner($internalPath));
1380
-			$info = new FileInfo($path, $storage, $internalPath, $data, $mount, $owner);
1381
-
1382
-			if ($data and isset($data['fileid'])) {
1383
-				if ($includeMountPoints and $data['mimetype'] === 'httpd/unix-directory') {
1384
-					//add the sizes of other mount points to the folder
1385
-					$extOnly = ($includeMountPoints === 'ext');
1386
-					$mounts = Filesystem::getMountManager()->findIn($path);
1387
-					$info->setSubMounts(array_filter($mounts, function (IMountPoint $mount) use ($extOnly) {
1388
-						$subStorage = $mount->getStorage();
1389
-						return !($extOnly && $subStorage instanceof \OCA\Files_Sharing\SharedStorage);
1390
-					}));
1391
-				}
1392
-			}
1393
-
1394
-			return $info;
1395
-		}
1396
-
1397
-		return false;
1398
-	}
1399
-
1400
-	/**
1401
-	 * get the content of a directory
1402
-	 *
1403
-	 * @param string $directory path under datadirectory
1404
-	 * @param string $mimetype_filter limit returned content to this mimetype or mimepart
1405
-	 * @return FileInfo[]
1406
-	 */
1407
-	public function getDirectoryContent($directory, $mimetype_filter = '') {
1408
-		$this->assertPathLength($directory);
1409
-		if (!Filesystem::isValidPath($directory)) {
1410
-			return [];
1411
-		}
1412
-		$path = $this->getAbsolutePath($directory);
1413
-		$path = Filesystem::normalizePath($path);
1414
-		$mount = $this->getMount($directory);
1415
-		if (!$mount) {
1416
-			return [];
1417
-		}
1418
-		$storage = $mount->getStorage();
1419
-		$internalPath = $mount->getInternalPath($path);
1420
-		if ($storage) {
1421
-			$cache = $storage->getCache($internalPath);
1422
-			$user = \OC_User::getUser();
1423
-
1424
-			$data = $this->getCacheEntry($storage, $internalPath, $directory);
1425
-
1426
-			if (!$data instanceof ICacheEntry || !isset($data['fileid']) || !($data->getPermissions() && Constants::PERMISSION_READ)) {
1427
-				return [];
1428
-			}
1429
-
1430
-			$folderId = $data['fileid'];
1431
-			$contents = $cache->getFolderContentsById($folderId); //TODO: mimetype_filter
1432
-
1433
-			$sharingDisabled = \OCP\Util::isSharingDisabledForUser();
1434
-			/**
1435
-			 * @var \OC\Files\FileInfo[] $files
1436
-			 */
1437
-			$files = array_map(function (ICacheEntry $content) use ($path, $storage, $mount, $sharingDisabled) {
1438
-				if ($sharingDisabled) {
1439
-					$content['permissions'] = $content['permissions'] & ~\OCP\Constants::PERMISSION_SHARE;
1440
-				}
1441
-				$owner = $this->getUserObjectForOwner($storage->getOwner($content['path']));
1442
-				return new FileInfo($path . '/' . $content['name'], $storage, $content['path'], $content, $mount, $owner);
1443
-			}, $contents);
1444
-
1445
-			//add a folder for any mountpoint in this directory and add the sizes of other mountpoints to the folders
1446
-			$mounts = Filesystem::getMountManager()->findIn($path);
1447
-			$dirLength = strlen($path);
1448
-			foreach ($mounts as $mount) {
1449
-				$mountPoint = $mount->getMountPoint();
1450
-				$subStorage = $mount->getStorage();
1451
-				if ($subStorage) {
1452
-					$subCache = $subStorage->getCache('');
1453
-
1454
-					$rootEntry = $subCache->get('');
1455
-					if (!$rootEntry) {
1456
-						$subScanner = $subStorage->getScanner('');
1457
-						try {
1458
-							$subScanner->scanFile('');
1459
-						} catch (\OCP\Files\StorageNotAvailableException $e) {
1460
-							continue;
1461
-						} catch (\OCP\Files\StorageInvalidException $e) {
1462
-							continue;
1463
-						} catch (\Exception $e) {
1464
-							// sometimes when the storage is not available it can be any exception
1465
-							\OC::$server->getLogger()->logException($e, [
1466
-								'message' => 'Exception while scanning storage "' . $subStorage->getId() . '"',
1467
-								'level' => ILogger::ERROR,
1468
-								'app' => 'lib',
1469
-							]);
1470
-							continue;
1471
-						}
1472
-						$rootEntry = $subCache->get('');
1473
-					}
1474
-
1475
-					if ($rootEntry && ($rootEntry->getPermissions() && Constants::PERMISSION_READ)) {
1476
-						$relativePath = trim(substr($mountPoint, $dirLength), '/');
1477
-						if ($pos = strpos($relativePath, '/')) {
1478
-							//mountpoint inside subfolder add size to the correct folder
1479
-							$entryName = substr($relativePath, 0, $pos);
1480
-							foreach ($files as &$entry) {
1481
-								if ($entry->getName() === $entryName) {
1482
-									$entry->addSubEntry($rootEntry, $mountPoint);
1483
-								}
1484
-							}
1485
-						} else { //mountpoint in this folder, add an entry for it
1486
-							$rootEntry['name'] = $relativePath;
1487
-							$rootEntry['type'] = $rootEntry['mimetype'] === 'httpd/unix-directory' ? 'dir' : 'file';
1488
-							$permissions = $rootEntry['permissions'];
1489
-							// do not allow renaming/deleting the mount point if they are not shared files/folders
1490
-							// for shared files/folders we use the permissions given by the owner
1491
-							if ($mount instanceof MoveableMount) {
1492
-								$rootEntry['permissions'] = $permissions | \OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE;
1493
-							} else {
1494
-								$rootEntry['permissions'] = $permissions & (\OCP\Constants::PERMISSION_ALL - (\OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE));
1495
-							}
1496
-
1497
-							//remove any existing entry with the same name
1498
-							foreach ($files as $i => $file) {
1499
-								if ($file['name'] === $rootEntry['name']) {
1500
-									unset($files[$i]);
1501
-									break;
1502
-								}
1503
-							}
1504
-							$rootEntry['path'] = substr(Filesystem::normalizePath($path . '/' . $rootEntry['name']), strlen($user) + 2); // full path without /$user/
1505
-
1506
-							// if sharing was disabled for the user we remove the share permissions
1507
-							if (\OCP\Util::isSharingDisabledForUser()) {
1508
-								$rootEntry['permissions'] = $rootEntry['permissions'] & ~\OCP\Constants::PERMISSION_SHARE;
1509
-							}
1510
-
1511
-							$owner = $this->getUserObjectForOwner($subStorage->getOwner(''));
1512
-							$files[] = new FileInfo($path . '/' . $rootEntry['name'], $subStorage, '', $rootEntry, $mount, $owner);
1513
-						}
1514
-					}
1515
-				}
1516
-			}
1517
-
1518
-			if ($mimetype_filter) {
1519
-				$files = array_filter($files, function (FileInfo $file) use ($mimetype_filter) {
1520
-					if (strpos($mimetype_filter, '/')) {
1521
-						return $file->getMimetype() === $mimetype_filter;
1522
-					} else {
1523
-						return $file->getMimePart() === $mimetype_filter;
1524
-					}
1525
-				});
1526
-			}
1527
-
1528
-			return $files;
1529
-		} else {
1530
-			return [];
1531
-		}
1532
-	}
1533
-
1534
-	/**
1535
-	 * change file metadata
1536
-	 *
1537
-	 * @param string $path
1538
-	 * @param array|\OCP\Files\FileInfo $data
1539
-	 * @return int
1540
-	 *
1541
-	 * returns the fileid of the updated file
1542
-	 */
1543
-	public function putFileInfo($path, $data) {
1544
-		$this->assertPathLength($path);
1545
-		if ($data instanceof FileInfo) {
1546
-			$data = $data->getData();
1547
-		}
1548
-		$path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
1549
-		/**
1550
-		 * @var \OC\Files\Storage\Storage $storage
1551
-		 * @var string $internalPath
1552
-		 */
1553
-		list($storage, $internalPath) = Filesystem::resolvePath($path);
1554
-		if ($storage) {
1555
-			$cache = $storage->getCache($path);
1556
-
1557
-			if (!$cache->inCache($internalPath)) {
1558
-				$scanner = $storage->getScanner($internalPath);
1559
-				$scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
1560
-			}
1561
-
1562
-			return $cache->put($internalPath, $data);
1563
-		} else {
1564
-			return -1;
1565
-		}
1566
-	}
1567
-
1568
-	/**
1569
-	 * search for files with the name matching $query
1570
-	 *
1571
-	 * @param string $query
1572
-	 * @return FileInfo[]
1573
-	 */
1574
-	public function search($query) {
1575
-		return $this->searchCommon('search', array('%' . $query . '%'));
1576
-	}
1577
-
1578
-	/**
1579
-	 * search for files with the name matching $query
1580
-	 *
1581
-	 * @param string $query
1582
-	 * @return FileInfo[]
1583
-	 */
1584
-	public function searchRaw($query) {
1585
-		return $this->searchCommon('search', array($query));
1586
-	}
1587
-
1588
-	/**
1589
-	 * search for files by mimetype
1590
-	 *
1591
-	 * @param string $mimetype
1592
-	 * @return FileInfo[]
1593
-	 */
1594
-	public function searchByMime($mimetype) {
1595
-		return $this->searchCommon('searchByMime', array($mimetype));
1596
-	}
1597
-
1598
-	/**
1599
-	 * search for files by tag
1600
-	 *
1601
-	 * @param string|int $tag name or tag id
1602
-	 * @param string $userId owner of the tags
1603
-	 * @return FileInfo[]
1604
-	 */
1605
-	public function searchByTag($tag, $userId) {
1606
-		return $this->searchCommon('searchByTag', array($tag, $userId));
1607
-	}
1608
-
1609
-	/**
1610
-	 * @param string $method cache method
1611
-	 * @param array $args
1612
-	 * @return FileInfo[]
1613
-	 */
1614
-	private function searchCommon($method, $args) {
1615
-		$files = array();
1616
-		$rootLength = strlen($this->fakeRoot);
1617
-
1618
-		$mount = $this->getMount('');
1619
-		$mountPoint = $mount->getMountPoint();
1620
-		$storage = $mount->getStorage();
1621
-		if ($storage) {
1622
-			$cache = $storage->getCache('');
1623
-
1624
-			$results = call_user_func_array(array($cache, $method), $args);
1625
-			foreach ($results as $result) {
1626
-				if (substr($mountPoint . $result['path'], 0, $rootLength + 1) === $this->fakeRoot . '/') {
1627
-					$internalPath = $result['path'];
1628
-					$path = $mountPoint . $result['path'];
1629
-					$result['path'] = substr($mountPoint . $result['path'], $rootLength);
1630
-					$owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
1631
-					$files[] = new FileInfo($path, $storage, $internalPath, $result, $mount, $owner);
1632
-				}
1633
-			}
1634
-
1635
-			$mounts = Filesystem::getMountManager()->findIn($this->fakeRoot);
1636
-			foreach ($mounts as $mount) {
1637
-				$mountPoint = $mount->getMountPoint();
1638
-				$storage = $mount->getStorage();
1639
-				if ($storage) {
1640
-					$cache = $storage->getCache('');
1641
-
1642
-					$relativeMountPoint = substr($mountPoint, $rootLength);
1643
-					$results = call_user_func_array(array($cache, $method), $args);
1644
-					if ($results) {
1645
-						foreach ($results as $result) {
1646
-							$internalPath = $result['path'];
1647
-							$result['path'] = rtrim($relativeMountPoint . $result['path'], '/');
1648
-							$path = rtrim($mountPoint . $internalPath, '/');
1649
-							$owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
1650
-							$files[] = new FileInfo($path, $storage, $internalPath, $result, $mount, $owner);
1651
-						}
1652
-					}
1653
-				}
1654
-			}
1655
-		}
1656
-		return $files;
1657
-	}
1658
-
1659
-	/**
1660
-	 * Get the owner for a file or folder
1661
-	 *
1662
-	 * @param string $path
1663
-	 * @return string the user id of the owner
1664
-	 * @throws NotFoundException
1665
-	 */
1666
-	public function getOwner($path) {
1667
-		$info = $this->getFileInfo($path);
1668
-		if (!$info) {
1669
-			throw new NotFoundException($path . ' not found while trying to get owner');
1670
-		}
1671
-		return $info->getOwner()->getUID();
1672
-	}
1673
-
1674
-	/**
1675
-	 * get the ETag for a file or folder
1676
-	 *
1677
-	 * @param string $path
1678
-	 * @return string
1679
-	 */
1680
-	public function getETag($path) {
1681
-		/**
1682
-		 * @var Storage\Storage $storage
1683
-		 * @var string $internalPath
1684
-		 */
1685
-		list($storage, $internalPath) = $this->resolvePath($path);
1686
-		if ($storage) {
1687
-			return $storage->getETag($internalPath);
1688
-		} else {
1689
-			return null;
1690
-		}
1691
-	}
1692
-
1693
-	/**
1694
-	 * Get the path of a file by id, relative to the view
1695
-	 *
1696
-	 * Note that the resulting path is not guarantied to be unique for the id, multiple paths can point to the same file
1697
-	 *
1698
-	 * @param int $id
1699
-	 * @throws NotFoundException
1700
-	 * @return string
1701
-	 */
1702
-	public function getPath($id) {
1703
-		$id = (int)$id;
1704
-		$manager = Filesystem::getMountManager();
1705
-		$mounts = $manager->findIn($this->fakeRoot);
1706
-		$mounts[] = $manager->find($this->fakeRoot);
1707
-		// reverse the array so we start with the storage this view is in
1708
-		// which is the most likely to contain the file we're looking for
1709
-		$mounts = array_reverse($mounts);
1710
-		foreach ($mounts as $mount) {
1711
-			/**
1712
-			 * @var \OC\Files\Mount\MountPoint $mount
1713
-			 */
1714
-			if ($mount->getStorage()) {
1715
-				$cache = $mount->getStorage()->getCache();
1716
-				$internalPath = $cache->getPathById($id);
1717
-				if (is_string($internalPath)) {
1718
-					$fullPath = $mount->getMountPoint() . $internalPath;
1719
-					if (!is_null($path = $this->getRelativePath($fullPath))) {
1720
-						return $path;
1721
-					}
1722
-				}
1723
-			}
1724
-		}
1725
-		throw new NotFoundException(sprintf('File with id "%s" has not been found.', $id));
1726
-	}
1727
-
1728
-	/**
1729
-	 * @param string $path
1730
-	 * @throws InvalidPathException
1731
-	 */
1732
-	private function assertPathLength($path) {
1733
-		$maxLen = min(PHP_MAXPATHLEN, 4000);
1734
-		// Check for the string length - performed using isset() instead of strlen()
1735
-		// because isset() is about 5x-40x faster.
1736
-		if (isset($path[$maxLen])) {
1737
-			$pathLen = strlen($path);
1738
-			throw new \OCP\Files\InvalidPathException("Path length($pathLen) exceeds max path length($maxLen): $path");
1739
-		}
1740
-	}
1741
-
1742
-	/**
1743
-	 * check if it is allowed to move a mount point to a given target.
1744
-	 * It is not allowed to move a mount point into a different mount point or
1745
-	 * into an already shared folder
1746
-	 *
1747
-	 * @param string $target path
1748
-	 * @return boolean
1749
-	 */
1750
-	private function isTargetAllowed($target) {
1751
-
1752
-		list($targetStorage, $targetInternalPath) = \OC\Files\Filesystem::resolvePath($target);
1753
-		if (!$targetStorage->instanceOfStorage('\OCP\Files\IHomeStorage')) {
1754
-			\OCP\Util::writeLog('files',
1755
-				'It is not allowed to move one mount point into another one',
1756
-				ILogger::DEBUG);
1757
-			return false;
1758
-		}
1759
-
1760
-		// note: cannot use the view because the target is already locked
1761
-		$fileId = (int)$targetStorage->getCache()->getId($targetInternalPath);
1762
-		if ($fileId === -1) {
1763
-			// target might not exist, need to check parent instead
1764
-			$fileId = (int)$targetStorage->getCache()->getId(dirname($targetInternalPath));
1765
-		}
1766
-
1767
-		// check if any of the parents were shared by the current owner (include collections)
1768
-		$shares = \OCP\Share::getItemShared(
1769
-			'folder',
1770
-			$fileId,
1771
-			\OCP\Share::FORMAT_NONE,
1772
-			null,
1773
-			true
1774
-		);
1775
-
1776
-		if (count($shares) > 0) {
1777
-			\OCP\Util::writeLog('files',
1778
-				'It is not allowed to move one mount point into a shared folder',
1779
-				ILogger::DEBUG);
1780
-			return false;
1781
-		}
1782
-
1783
-		return true;
1784
-	}
1785
-
1786
-	/**
1787
-	 * Get a fileinfo object for files that are ignored in the cache (part files)
1788
-	 *
1789
-	 * @param string $path
1790
-	 * @return \OCP\Files\FileInfo
1791
-	 */
1792
-	private function getPartFileInfo($path) {
1793
-		$mount = $this->getMount($path);
1794
-		$storage = $mount->getStorage();
1795
-		$internalPath = $mount->getInternalPath($this->getAbsolutePath($path));
1796
-		$owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
1797
-		return new FileInfo(
1798
-			$this->getAbsolutePath($path),
1799
-			$storage,
1800
-			$internalPath,
1801
-			[
1802
-				'fileid' => null,
1803
-				'mimetype' => $storage->getMimeType($internalPath),
1804
-				'name' => basename($path),
1805
-				'etag' => null,
1806
-				'size' => $storage->filesize($internalPath),
1807
-				'mtime' => $storage->filemtime($internalPath),
1808
-				'encrypted' => false,
1809
-				'permissions' => \OCP\Constants::PERMISSION_ALL
1810
-			],
1811
-			$mount,
1812
-			$owner
1813
-		);
1814
-	}
1815
-
1816
-	/**
1817
-	 * @param string $path
1818
-	 * @param string $fileName
1819
-	 * @throws InvalidPathException
1820
-	 */
1821
-	public function verifyPath($path, $fileName) {
1822
-		try {
1823
-			/** @type \OCP\Files\Storage $storage */
1824
-			list($storage, $internalPath) = $this->resolvePath($path);
1825
-			$storage->verifyPath($internalPath, $fileName);
1826
-		} catch (ReservedWordException $ex) {
1827
-			$l = \OC::$server->getL10N('lib');
1828
-			throw new InvalidPathException($l->t('File name is a reserved word'));
1829
-		} catch (InvalidCharacterInPathException $ex) {
1830
-			$l = \OC::$server->getL10N('lib');
1831
-			throw new InvalidPathException($l->t('File name contains at least one invalid character'));
1832
-		} catch (FileNameTooLongException $ex) {
1833
-			$l = \OC::$server->getL10N('lib');
1834
-			throw new InvalidPathException($l->t('File name is too long'));
1835
-		} catch (InvalidDirectoryException $ex) {
1836
-			$l = \OC::$server->getL10N('lib');
1837
-			throw new InvalidPathException($l->t('Dot files are not allowed'));
1838
-		} catch (EmptyFileNameException $ex) {
1839
-			$l = \OC::$server->getL10N('lib');
1840
-			throw new InvalidPathException($l->t('Empty filename is not allowed'));
1841
-		}
1842
-	}
1843
-
1844
-	/**
1845
-	 * get all parent folders of $path
1846
-	 *
1847
-	 * @param string $path
1848
-	 * @return string[]
1849
-	 */
1850
-	private function getParents($path) {
1851
-		$path = trim($path, '/');
1852
-		if (!$path) {
1853
-			return [];
1854
-		}
1855
-
1856
-		$parts = explode('/', $path);
1857
-
1858
-		// remove the single file
1859
-		array_pop($parts);
1860
-		$result = array('/');
1861
-		$resultPath = '';
1862
-		foreach ($parts as $part) {
1863
-			if ($part) {
1864
-				$resultPath .= '/' . $part;
1865
-				$result[] = $resultPath;
1866
-			}
1867
-		}
1868
-		return $result;
1869
-	}
1870
-
1871
-	/**
1872
-	 * Returns the mount point for which to lock
1873
-	 *
1874
-	 * @param string $absolutePath absolute path
1875
-	 * @param bool $useParentMount true to return parent mount instead of whatever
1876
-	 * is mounted directly on the given path, false otherwise
1877
-	 * @return \OC\Files\Mount\MountPoint mount point for which to apply locks
1878
-	 */
1879
-	private function getMountForLock($absolutePath, $useParentMount = false) {
1880
-		$results = [];
1881
-		$mount = Filesystem::getMountManager()->find($absolutePath);
1882
-		if (!$mount) {
1883
-			return $results;
1884
-		}
1885
-
1886
-		if ($useParentMount) {
1887
-			// find out if something is mounted directly on the path
1888
-			$internalPath = $mount->getInternalPath($absolutePath);
1889
-			if ($internalPath === '') {
1890
-				// resolve the parent mount instead
1891
-				$mount = Filesystem::getMountManager()->find(dirname($absolutePath));
1892
-			}
1893
-		}
1894
-
1895
-		return $mount;
1896
-	}
1897
-
1898
-	/**
1899
-	 * Lock the given path
1900
-	 *
1901
-	 * @param string $path the path of the file to lock, relative to the view
1902
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
1903
-	 * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
1904
-	 *
1905
-	 * @return bool False if the path is excluded from locking, true otherwise
1906
-	 * @throws \OCP\Lock\LockedException if the path is already locked
1907
-	 */
1908
-	private function lockPath($path, $type, $lockMountPoint = false) {
1909
-		$absolutePath = $this->getAbsolutePath($path);
1910
-		$absolutePath = Filesystem::normalizePath($absolutePath);
1911
-		if (!$this->shouldLockFile($absolutePath)) {
1912
-			return false;
1913
-		}
1914
-
1915
-		$mount = $this->getMountForLock($absolutePath, $lockMountPoint);
1916
-		if ($mount) {
1917
-			try {
1918
-				$storage = $mount->getStorage();
1919
-				if ($storage->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
1920
-					$storage->acquireLock(
1921
-						$mount->getInternalPath($absolutePath),
1922
-						$type,
1923
-						$this->lockingProvider
1924
-					);
1925
-				}
1926
-			} catch (\OCP\Lock\LockedException $e) {
1927
-				// rethrow with the a human-readable path
1928
-				throw new \OCP\Lock\LockedException(
1929
-					$this->getPathRelativeToFiles($absolutePath),
1930
-					$e
1931
-				);
1932
-			}
1933
-		}
1934
-
1935
-		return true;
1936
-	}
1937
-
1938
-	/**
1939
-	 * Change the lock type
1940
-	 *
1941
-	 * @param string $path the path of the file to lock, relative to the view
1942
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
1943
-	 * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
1944
-	 *
1945
-	 * @return bool False if the path is excluded from locking, true otherwise
1946
-	 * @throws \OCP\Lock\LockedException if the path is already locked
1947
-	 */
1948
-	public function changeLock($path, $type, $lockMountPoint = false) {
1949
-		$path = Filesystem::normalizePath($path);
1950
-		$absolutePath = $this->getAbsolutePath($path);
1951
-		$absolutePath = Filesystem::normalizePath($absolutePath);
1952
-		if (!$this->shouldLockFile($absolutePath)) {
1953
-			return false;
1954
-		}
1955
-
1956
-		$mount = $this->getMountForLock($absolutePath, $lockMountPoint);
1957
-		if ($mount) {
1958
-			try {
1959
-				$storage = $mount->getStorage();
1960
-				if ($storage->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
1961
-					$storage->changeLock(
1962
-						$mount->getInternalPath($absolutePath),
1963
-						$type,
1964
-						$this->lockingProvider
1965
-					);
1966
-				}
1967
-			} catch (\OCP\Lock\LockedException $e) {
1968
-				try {
1969
-					// rethrow with the a human-readable path
1970
-					throw new \OCP\Lock\LockedException(
1971
-						$this->getPathRelativeToFiles($absolutePath),
1972
-						$e
1973
-					);
1974
-				} catch (\InvalidArgumentException $e) {
1975
-					throw new \OCP\Lock\LockedException(
1976
-						$absolutePath,
1977
-						$e
1978
-					);
1979
-				}
1980
-			}
1981
-		}
1982
-
1983
-		return true;
1984
-	}
1985
-
1986
-	/**
1987
-	 * Unlock the given path
1988
-	 *
1989
-	 * @param string $path the path of the file to unlock, relative to the view
1990
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
1991
-	 * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
1992
-	 *
1993
-	 * @return bool False if the path is excluded from locking, true otherwise
1994
-	 */
1995
-	private function unlockPath($path, $type, $lockMountPoint = false) {
1996
-		$absolutePath = $this->getAbsolutePath($path);
1997
-		$absolutePath = Filesystem::normalizePath($absolutePath);
1998
-		if (!$this->shouldLockFile($absolutePath)) {
1999
-			return false;
2000
-		}
2001
-
2002
-		$mount = $this->getMountForLock($absolutePath, $lockMountPoint);
2003
-		if ($mount) {
2004
-			$storage = $mount->getStorage();
2005
-			if ($storage && $storage->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
2006
-				$storage->releaseLock(
2007
-					$mount->getInternalPath($absolutePath),
2008
-					$type,
2009
-					$this->lockingProvider
2010
-				);
2011
-			}
2012
-		}
2013
-
2014
-		return true;
2015
-	}
2016
-
2017
-	/**
2018
-	 * Lock a path and all its parents up to the root of the view
2019
-	 *
2020
-	 * @param string $path the path of the file to lock relative to the view
2021
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
2022
-	 * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
2023
-	 *
2024
-	 * @return bool False if the path is excluded from locking, true otherwise
2025
-	 */
2026
-	public function lockFile($path, $type, $lockMountPoint = false) {
2027
-		$absolutePath = $this->getAbsolutePath($path);
2028
-		$absolutePath = Filesystem::normalizePath($absolutePath);
2029
-		if (!$this->shouldLockFile($absolutePath)) {
2030
-			return false;
2031
-		}
2032
-
2033
-		$this->lockPath($path, $type, $lockMountPoint);
2034
-
2035
-		$parents = $this->getParents($path);
2036
-		foreach ($parents as $parent) {
2037
-			$this->lockPath($parent, ILockingProvider::LOCK_SHARED);
2038
-		}
2039
-
2040
-		return true;
2041
-	}
2042
-
2043
-	/**
2044
-	 * Unlock a path and all its parents up to the root of the view
2045
-	 *
2046
-	 * @param string $path the path of the file to lock relative to the view
2047
-	 * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
2048
-	 * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
2049
-	 *
2050
-	 * @return bool False if the path is excluded from locking, true otherwise
2051
-	 */
2052
-	public function unlockFile($path, $type, $lockMountPoint = false) {
2053
-		$absolutePath = $this->getAbsolutePath($path);
2054
-		$absolutePath = Filesystem::normalizePath($absolutePath);
2055
-		if (!$this->shouldLockFile($absolutePath)) {
2056
-			return false;
2057
-		}
2058
-
2059
-		$this->unlockPath($path, $type, $lockMountPoint);
2060
-
2061
-		$parents = $this->getParents($path);
2062
-		foreach ($parents as $parent) {
2063
-			$this->unlockPath($parent, ILockingProvider::LOCK_SHARED);
2064
-		}
2065
-
2066
-		return true;
2067
-	}
2068
-
2069
-	/**
2070
-	 * Only lock files in data/user/files/
2071
-	 *
2072
-	 * @param string $path Absolute path to the file/folder we try to (un)lock
2073
-	 * @return bool
2074
-	 */
2075
-	protected function shouldLockFile($path) {
2076
-		$path = Filesystem::normalizePath($path);
2077
-
2078
-		$pathSegments = explode('/', $path);
2079
-		if (isset($pathSegments[2])) {
2080
-			// E.g.: /username/files/path-to-file
2081
-			return ($pathSegments[2] === 'files') && (count($pathSegments) > 3);
2082
-		}
2083
-
2084
-		return strpos($path, '/appdata_') !== 0;
2085
-	}
2086
-
2087
-	/**
2088
-	 * Shortens the given absolute path to be relative to
2089
-	 * "$user/files".
2090
-	 *
2091
-	 * @param string $absolutePath absolute path which is under "files"
2092
-	 *
2093
-	 * @return string path relative to "files" with trimmed slashes or null
2094
-	 * if the path was NOT relative to files
2095
-	 *
2096
-	 * @throws \InvalidArgumentException if the given path was not under "files"
2097
-	 * @since 8.1.0
2098
-	 */
2099
-	public function getPathRelativeToFiles($absolutePath) {
2100
-		$path = Filesystem::normalizePath($absolutePath);
2101
-		$parts = explode('/', trim($path, '/'), 3);
2102
-		// "$user", "files", "path/to/dir"
2103
-		if (!isset($parts[1]) || $parts[1] !== 'files') {
2104
-			$this->logger->error(
2105
-				'$absolutePath must be relative to "files", value is "%s"',
2106
-				[
2107
-					$absolutePath
2108
-				]
2109
-			);
2110
-			throw new \InvalidArgumentException('$absolutePath must be relative to "files"');
2111
-		}
2112
-		if (isset($parts[2])) {
2113
-			return $parts[2];
2114
-		}
2115
-		return '';
2116
-	}
2117
-
2118
-	/**
2119
-	 * @param string $filename
2120
-	 * @return array
2121
-	 * @throws \OC\User\NoUserException
2122
-	 * @throws NotFoundException
2123
-	 */
2124
-	public function getUidAndFilename($filename) {
2125
-		$info = $this->getFileInfo($filename);
2126
-		if (!$info instanceof \OCP\Files\FileInfo) {
2127
-			throw new NotFoundException($this->getAbsolutePath($filename) . ' not found');
2128
-		}
2129
-		$uid = $info->getOwner()->getUID();
2130
-		if ($uid != \OCP\User::getUser()) {
2131
-			Filesystem::initMountPoints($uid);
2132
-			$ownerView = new View('/' . $uid . '/files');
2133
-			try {
2134
-				$filename = $ownerView->getPath($info['fileid']);
2135
-			} catch (NotFoundException $e) {
2136
-				throw new NotFoundException('File with id ' . $info['fileid'] . ' not found for user ' . $uid);
2137
-			}
2138
-		}
2139
-		return [$uid, $filename];
2140
-	}
2141
-
2142
-	/**
2143
-	 * Creates parent non-existing folders
2144
-	 *
2145
-	 * @param string $filePath
2146
-	 * @return bool
2147
-	 */
2148
-	private function createParentDirectories($filePath) {
2149
-		$directoryParts = explode('/', $filePath);
2150
-		$directoryParts = array_filter($directoryParts);
2151
-		foreach ($directoryParts as $key => $part) {
2152
-			$currentPathElements = array_slice($directoryParts, 0, $key);
2153
-			$currentPath = '/' . implode('/', $currentPathElements);
2154
-			if ($this->is_file($currentPath)) {
2155
-				return false;
2156
-			}
2157
-			if (!$this->file_exists($currentPath)) {
2158
-				$this->mkdir($currentPath);
2159
-			}
2160
-		}
2161
-
2162
-		return true;
2163
-	}
84
+    /** @var string */
85
+    private $fakeRoot = '';
86
+
87
+    /**
88
+     * @var \OCP\Lock\ILockingProvider
89
+     */
90
+    protected $lockingProvider;
91
+
92
+    private $lockingEnabled;
93
+
94
+    private $updaterEnabled = true;
95
+
96
+    /** @var \OC\User\Manager */
97
+    private $userManager;
98
+
99
+    /** @var \OCP\ILogger */
100
+    private $logger;
101
+
102
+    /**
103
+     * @param string $root
104
+     * @throws \Exception If $root contains an invalid path
105
+     */
106
+    public function __construct($root = '') {
107
+        if (is_null($root)) {
108
+            throw new \InvalidArgumentException('Root can\'t be null');
109
+        }
110
+        if (!Filesystem::isValidPath($root)) {
111
+            throw new \Exception();
112
+        }
113
+
114
+        $this->fakeRoot = $root;
115
+        $this->lockingProvider = \OC::$server->getLockingProvider();
116
+        $this->lockingEnabled = !($this->lockingProvider instanceof \OC\Lock\NoopLockingProvider);
117
+        $this->userManager = \OC::$server->getUserManager();
118
+        $this->logger = \OC::$server->getLogger();
119
+    }
120
+
121
+    public function getAbsolutePath($path = '/') {
122
+        if ($path === null) {
123
+            return null;
124
+        }
125
+        $this->assertPathLength($path);
126
+        if ($path === '') {
127
+            $path = '/';
128
+        }
129
+        if ($path[0] !== '/') {
130
+            $path = '/' . $path;
131
+        }
132
+        return $this->fakeRoot . $path;
133
+    }
134
+
135
+    /**
136
+     * change the root to a fake root
137
+     *
138
+     * @param string $fakeRoot
139
+     * @return boolean|null
140
+     */
141
+    public function chroot($fakeRoot) {
142
+        if (!$fakeRoot == '') {
143
+            if ($fakeRoot[0] !== '/') {
144
+                $fakeRoot = '/' . $fakeRoot;
145
+            }
146
+        }
147
+        $this->fakeRoot = $fakeRoot;
148
+    }
149
+
150
+    /**
151
+     * get the fake root
152
+     *
153
+     * @return string
154
+     */
155
+    public function getRoot() {
156
+        return $this->fakeRoot;
157
+    }
158
+
159
+    /**
160
+     * get path relative to the root of the view
161
+     *
162
+     * @param string $path
163
+     * @return string
164
+     */
165
+    public function getRelativePath($path) {
166
+        $this->assertPathLength($path);
167
+        if ($this->fakeRoot == '') {
168
+            return $path;
169
+        }
170
+
171
+        if (rtrim($path, '/') === rtrim($this->fakeRoot, '/')) {
172
+            return '/';
173
+        }
174
+
175
+        // missing slashes can cause wrong matches!
176
+        $root = rtrim($this->fakeRoot, '/') . '/';
177
+
178
+        if (strpos($path, $root) !== 0) {
179
+            return null;
180
+        } else {
181
+            $path = substr($path, strlen($this->fakeRoot));
182
+            if (strlen($path) === 0) {
183
+                return '/';
184
+            } else {
185
+                return $path;
186
+            }
187
+        }
188
+    }
189
+
190
+    /**
191
+     * get the mountpoint of the storage object for a path
192
+     * ( note: because a storage is not always mounted inside the fakeroot, the
193
+     * returned mountpoint is relative to the absolute root of the filesystem
194
+     * and does not take the chroot into account )
195
+     *
196
+     * @param string $path
197
+     * @return string
198
+     */
199
+    public function getMountPoint($path) {
200
+        return Filesystem::getMountPoint($this->getAbsolutePath($path));
201
+    }
202
+
203
+    /**
204
+     * get the mountpoint of the storage object for a path
205
+     * ( note: because a storage is not always mounted inside the fakeroot, the
206
+     * returned mountpoint is relative to the absolute root of the filesystem
207
+     * and does not take the chroot into account )
208
+     *
209
+     * @param string $path
210
+     * @return \OCP\Files\Mount\IMountPoint
211
+     */
212
+    public function getMount($path) {
213
+        return Filesystem::getMountManager()->find($this->getAbsolutePath($path));
214
+    }
215
+
216
+    /**
217
+     * resolve a path to a storage and internal path
218
+     *
219
+     * @param string $path
220
+     * @return array an array consisting of the storage and the internal path
221
+     */
222
+    public function resolvePath($path) {
223
+        $a = $this->getAbsolutePath($path);
224
+        $p = Filesystem::normalizePath($a);
225
+        return Filesystem::resolvePath($p);
226
+    }
227
+
228
+    /**
229
+     * return the path to a local version of the file
230
+     * we need this because we can't know if a file is stored local or not from
231
+     * outside the filestorage and for some purposes a local file is needed
232
+     *
233
+     * @param string $path
234
+     * @return string
235
+     */
236
+    public function getLocalFile($path) {
237
+        $parent = substr($path, 0, strrpos($path, '/'));
238
+        $path = $this->getAbsolutePath($path);
239
+        list($storage, $internalPath) = Filesystem::resolvePath($path);
240
+        if (Filesystem::isValidPath($parent) and $storage) {
241
+            return $storage->getLocalFile($internalPath);
242
+        } else {
243
+            return null;
244
+        }
245
+    }
246
+
247
+    /**
248
+     * @param string $path
249
+     * @return string
250
+     */
251
+    public function getLocalFolder($path) {
252
+        $parent = substr($path, 0, strrpos($path, '/'));
253
+        $path = $this->getAbsolutePath($path);
254
+        list($storage, $internalPath) = Filesystem::resolvePath($path);
255
+        if (Filesystem::isValidPath($parent) and $storage) {
256
+            return $storage->getLocalFolder($internalPath);
257
+        } else {
258
+            return null;
259
+        }
260
+    }
261
+
262
+    /**
263
+     * the following functions operate with arguments and return values identical
264
+     * to those of their PHP built-in equivalents. Mostly they are merely wrappers
265
+     * for \OC\Files\Storage\Storage via basicOperation().
266
+     */
267
+    public function mkdir($path) {
268
+        return $this->basicOperation('mkdir', $path, array('create', 'write'));
269
+    }
270
+
271
+    /**
272
+     * remove mount point
273
+     *
274
+     * @param \OC\Files\Mount\MoveableMount $mount
275
+     * @param string $path relative to data/
276
+     * @return boolean
277
+     */
278
+    protected function removeMount($mount, $path) {
279
+        if ($mount instanceof MoveableMount) {
280
+            // cut of /user/files to get the relative path to data/user/files
281
+            $pathParts = explode('/', $path, 4);
282
+            $relPath = '/' . $pathParts[3];
283
+            $this->lockFile($relPath, ILockingProvider::LOCK_SHARED, true);
284
+            \OC_Hook::emit(
285
+                Filesystem::CLASSNAME, "umount",
286
+                array(Filesystem::signal_param_path => $relPath)
287
+            );
288
+            $this->changeLock($relPath, ILockingProvider::LOCK_EXCLUSIVE, true);
289
+            $result = $mount->removeMount();
290
+            $this->changeLock($relPath, ILockingProvider::LOCK_SHARED, true);
291
+            if ($result) {
292
+                \OC_Hook::emit(
293
+                    Filesystem::CLASSNAME, "post_umount",
294
+                    array(Filesystem::signal_param_path => $relPath)
295
+                );
296
+            }
297
+            $this->unlockFile($relPath, ILockingProvider::LOCK_SHARED, true);
298
+            return $result;
299
+        } else {
300
+            // do not allow deleting the storage's root / the mount point
301
+            // because for some storages it might delete the whole contents
302
+            // but isn't supposed to work that way
303
+            return false;
304
+        }
305
+    }
306
+
307
+    public function disableCacheUpdate() {
308
+        $this->updaterEnabled = false;
309
+    }
310
+
311
+    public function enableCacheUpdate() {
312
+        $this->updaterEnabled = true;
313
+    }
314
+
315
+    protected function writeUpdate(Storage $storage, $internalPath, $time = null) {
316
+        if ($this->updaterEnabled) {
317
+            if (is_null($time)) {
318
+                $time = time();
319
+            }
320
+            $storage->getUpdater()->update($internalPath, $time);
321
+        }
322
+    }
323
+
324
+    protected function removeUpdate(Storage $storage, $internalPath) {
325
+        if ($this->updaterEnabled) {
326
+            $storage->getUpdater()->remove($internalPath);
327
+        }
328
+    }
329
+
330
+    protected function renameUpdate(Storage $sourceStorage, Storage $targetStorage, $sourceInternalPath, $targetInternalPath) {
331
+        if ($this->updaterEnabled) {
332
+            $targetStorage->getUpdater()->renameFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
333
+        }
334
+    }
335
+
336
+    /**
337
+     * @param string $path
338
+     * @return bool|mixed
339
+     */
340
+    public function rmdir($path) {
341
+        $absolutePath = $this->getAbsolutePath($path);
342
+        $mount = Filesystem::getMountManager()->find($absolutePath);
343
+        if ($mount->getInternalPath($absolutePath) === '') {
344
+            return $this->removeMount($mount, $absolutePath);
345
+        }
346
+        if ($this->is_dir($path)) {
347
+            $result = $this->basicOperation('rmdir', $path, array('delete'));
348
+        } else {
349
+            $result = false;
350
+        }
351
+
352
+        if (!$result && !$this->file_exists($path)) { //clear ghost files from the cache on delete
353
+            $storage = $mount->getStorage();
354
+            $internalPath = $mount->getInternalPath($absolutePath);
355
+            $storage->getUpdater()->remove($internalPath);
356
+        }
357
+        return $result;
358
+    }
359
+
360
+    /**
361
+     * @param string $path
362
+     * @return resource
363
+     */
364
+    public function opendir($path) {
365
+        return $this->basicOperation('opendir', $path, array('read'));
366
+    }
367
+
368
+    /**
369
+     * @param string $path
370
+     * @return bool|mixed
371
+     */
372
+    public function is_dir($path) {
373
+        if ($path == '/') {
374
+            return true;
375
+        }
376
+        return $this->basicOperation('is_dir', $path);
377
+    }
378
+
379
+    /**
380
+     * @param string $path
381
+     * @return bool|mixed
382
+     */
383
+    public function is_file($path) {
384
+        if ($path == '/') {
385
+            return false;
386
+        }
387
+        return $this->basicOperation('is_file', $path);
388
+    }
389
+
390
+    /**
391
+     * @param string $path
392
+     * @return mixed
393
+     */
394
+    public function stat($path) {
395
+        return $this->basicOperation('stat', $path);
396
+    }
397
+
398
+    /**
399
+     * @param string $path
400
+     * @return mixed
401
+     */
402
+    public function filetype($path) {
403
+        return $this->basicOperation('filetype', $path);
404
+    }
405
+
406
+    /**
407
+     * @param string $path
408
+     * @return mixed
409
+     */
410
+    public function filesize($path) {
411
+        return $this->basicOperation('filesize', $path);
412
+    }
413
+
414
+    /**
415
+     * @param string $path
416
+     * @return bool|mixed
417
+     * @throws \OCP\Files\InvalidPathException
418
+     */
419
+    public function readfile($path) {
420
+        $this->assertPathLength($path);
421
+        @ob_end_clean();
422
+        $handle = $this->fopen($path, 'rb');
423
+        if ($handle) {
424
+            $chunkSize = 8192; // 8 kB chunks
425
+            while (!feof($handle)) {
426
+                echo fread($handle, $chunkSize);
427
+                flush();
428
+            }
429
+            fclose($handle);
430
+            return $this->filesize($path);
431
+        }
432
+        return false;
433
+    }
434
+
435
+    /**
436
+     * @param string $path
437
+     * @param int $from
438
+     * @param int $to
439
+     * @return bool|mixed
440
+     * @throws \OCP\Files\InvalidPathException
441
+     * @throws \OCP\Files\UnseekableException
442
+     */
443
+    public function readfilePart($path, $from, $to) {
444
+        $this->assertPathLength($path);
445
+        @ob_end_clean();
446
+        $handle = $this->fopen($path, 'rb');
447
+        if ($handle) {
448
+            $chunkSize = 8192; // 8 kB chunks
449
+            $startReading = true;
450
+
451
+            if ($from !== 0 && $from !== '0' && fseek($handle, $from) !== 0) {
452
+                // forward file handle via chunked fread because fseek seem to have failed
453
+
454
+                $end = $from + 1;
455
+                while (!feof($handle) && ftell($handle) < $end) {
456
+                    $len = $from - ftell($handle);
457
+                    if ($len > $chunkSize) {
458
+                        $len = $chunkSize;
459
+                    }
460
+                    $result = fread($handle, $len);
461
+
462
+                    if ($result === false) {
463
+                        $startReading = false;
464
+                        break;
465
+                    }
466
+                }
467
+            }
468
+
469
+            if ($startReading) {
470
+                $end = $to + 1;
471
+                while (!feof($handle) && ftell($handle) < $end) {
472
+                    $len = $end - ftell($handle);
473
+                    if ($len > $chunkSize) {
474
+                        $len = $chunkSize;
475
+                    }
476
+                    echo fread($handle, $len);
477
+                    flush();
478
+                }
479
+                return ftell($handle) - $from;
480
+            }
481
+
482
+            throw new \OCP\Files\UnseekableException('fseek error');
483
+        }
484
+        return false;
485
+    }
486
+
487
+    /**
488
+     * @param string $path
489
+     * @return mixed
490
+     */
491
+    public function isCreatable($path) {
492
+        return $this->basicOperation('isCreatable', $path);
493
+    }
494
+
495
+    /**
496
+     * @param string $path
497
+     * @return mixed
498
+     */
499
+    public function isReadable($path) {
500
+        return $this->basicOperation('isReadable', $path);
501
+    }
502
+
503
+    /**
504
+     * @param string $path
505
+     * @return mixed
506
+     */
507
+    public function isUpdatable($path) {
508
+        return $this->basicOperation('isUpdatable', $path);
509
+    }
510
+
511
+    /**
512
+     * @param string $path
513
+     * @return bool|mixed
514
+     */
515
+    public function isDeletable($path) {
516
+        $absolutePath = $this->getAbsolutePath($path);
517
+        $mount = Filesystem::getMountManager()->find($absolutePath);
518
+        if ($mount->getInternalPath($absolutePath) === '') {
519
+            return $mount instanceof MoveableMount;
520
+        }
521
+        return $this->basicOperation('isDeletable', $path);
522
+    }
523
+
524
+    /**
525
+     * @param string $path
526
+     * @return mixed
527
+     */
528
+    public function isSharable($path) {
529
+        return $this->basicOperation('isSharable', $path);
530
+    }
531
+
532
+    /**
533
+     * @param string $path
534
+     * @return bool|mixed
535
+     */
536
+    public function file_exists($path) {
537
+        if ($path == '/') {
538
+            return true;
539
+        }
540
+        return $this->basicOperation('file_exists', $path);
541
+    }
542
+
543
+    /**
544
+     * @param string $path
545
+     * @return mixed
546
+     */
547
+    public function filemtime($path) {
548
+        return $this->basicOperation('filemtime', $path);
549
+    }
550
+
551
+    /**
552
+     * @param string $path
553
+     * @param int|string $mtime
554
+     * @return bool
555
+     */
556
+    public function touch($path, $mtime = null) {
557
+        if (!is_null($mtime) and !is_numeric($mtime)) {
558
+            $mtime = strtotime($mtime);
559
+        }
560
+
561
+        $hooks = array('touch');
562
+
563
+        if (!$this->file_exists($path)) {
564
+            $hooks[] = 'create';
565
+            $hooks[] = 'write';
566
+        }
567
+        $result = $this->basicOperation('touch', $path, $hooks, $mtime);
568
+        if (!$result) {
569
+            // If create file fails because of permissions on external storage like SMB folders,
570
+            // check file exists and return false if not.
571
+            if (!$this->file_exists($path)) {
572
+                return false;
573
+            }
574
+            if (is_null($mtime)) {
575
+                $mtime = time();
576
+            }
577
+            //if native touch fails, we emulate it by changing the mtime in the cache
578
+            $this->putFileInfo($path, array('mtime' => floor($mtime)));
579
+        }
580
+        return true;
581
+    }
582
+
583
+    /**
584
+     * @param string $path
585
+     * @return mixed
586
+     */
587
+    public function file_get_contents($path) {
588
+        return $this->basicOperation('file_get_contents', $path, array('read'));
589
+    }
590
+
591
+    /**
592
+     * @param bool $exists
593
+     * @param string $path
594
+     * @param bool $run
595
+     */
596
+    protected function emit_file_hooks_pre($exists, $path, &$run) {
597
+        if (!$exists) {
598
+            \OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_create, array(
599
+                Filesystem::signal_param_path => $this->getHookPath($path),
600
+                Filesystem::signal_param_run => &$run,
601
+            ));
602
+        } else {
603
+            \OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_update, array(
604
+                Filesystem::signal_param_path => $this->getHookPath($path),
605
+                Filesystem::signal_param_run => &$run,
606
+            ));
607
+        }
608
+        \OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_write, array(
609
+            Filesystem::signal_param_path => $this->getHookPath($path),
610
+            Filesystem::signal_param_run => &$run,
611
+        ));
612
+    }
613
+
614
+    /**
615
+     * @param bool $exists
616
+     * @param string $path
617
+     */
618
+    protected function emit_file_hooks_post($exists, $path) {
619
+        if (!$exists) {
620
+            \OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_create, array(
621
+                Filesystem::signal_param_path => $this->getHookPath($path),
622
+            ));
623
+        } else {
624
+            \OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_update, array(
625
+                Filesystem::signal_param_path => $this->getHookPath($path),
626
+            ));
627
+        }
628
+        \OC_Hook::emit(Filesystem::CLASSNAME, Filesystem::signal_post_write, array(
629
+            Filesystem::signal_param_path => $this->getHookPath($path),
630
+        ));
631
+    }
632
+
633
+    /**
634
+     * @param string $path
635
+     * @param mixed $data
636
+     * @return bool|mixed
637
+     * @throws \Exception
638
+     */
639
+    public function file_put_contents($path, $data) {
640
+        if (is_resource($data)) { //not having to deal with streams in file_put_contents makes life easier
641
+            $absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
642
+            if (Filesystem::isValidPath($path)
643
+                and !Filesystem::isFileBlacklisted($path)
644
+            ) {
645
+                $path = $this->getRelativePath($absolutePath);
646
+
647
+                $this->lockFile($path, ILockingProvider::LOCK_SHARED);
648
+
649
+                $exists = $this->file_exists($path);
650
+                $run = true;
651
+                if ($this->shouldEmitHooks($path)) {
652
+                    $this->emit_file_hooks_pre($exists, $path, $run);
653
+                }
654
+                if (!$run) {
655
+                    $this->unlockFile($path, ILockingProvider::LOCK_SHARED);
656
+                    return false;
657
+                }
658
+
659
+                $this->changeLock($path, ILockingProvider::LOCK_EXCLUSIVE);
660
+
661
+                /** @var \OC\Files\Storage\Storage $storage */
662
+                list($storage, $internalPath) = $this->resolvePath($path);
663
+                $target = $storage->fopen($internalPath, 'w');
664
+                if ($target) {
665
+                    list (, $result) = \OC_Helper::streamCopy($data, $target);
666
+                    fclose($target);
667
+                    fclose($data);
668
+
669
+                    $this->writeUpdate($storage, $internalPath);
670
+
671
+                    $this->changeLock($path, ILockingProvider::LOCK_SHARED);
672
+
673
+                    if ($this->shouldEmitHooks($path) && $result !== false) {
674
+                        $this->emit_file_hooks_post($exists, $path);
675
+                    }
676
+                    $this->unlockFile($path, ILockingProvider::LOCK_SHARED);
677
+                    return $result;
678
+                } else {
679
+                    $this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
680
+                    return false;
681
+                }
682
+            } else {
683
+                return false;
684
+            }
685
+        } else {
686
+            $hooks = $this->file_exists($path) ? array('update', 'write') : array('create', 'write');
687
+            return $this->basicOperation('file_put_contents', $path, $hooks, $data);
688
+        }
689
+    }
690
+
691
+    /**
692
+     * @param string $path
693
+     * @return bool|mixed
694
+     */
695
+    public function unlink($path) {
696
+        if ($path === '' || $path === '/') {
697
+            // do not allow deleting the root
698
+            return false;
699
+        }
700
+        $postFix = (substr($path, -1) === '/') ? '/' : '';
701
+        $absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
702
+        $mount = Filesystem::getMountManager()->find($absolutePath . $postFix);
703
+        if ($mount and $mount->getInternalPath($absolutePath) === '') {
704
+            return $this->removeMount($mount, $absolutePath);
705
+        }
706
+        if ($this->is_dir($path)) {
707
+            $result = $this->basicOperation('rmdir', $path, ['delete']);
708
+        } else {
709
+            $result = $this->basicOperation('unlink', $path, ['delete']);
710
+        }
711
+        if (!$result && !$this->file_exists($path)) { //clear ghost files from the cache on delete
712
+            $storage = $mount->getStorage();
713
+            $internalPath = $mount->getInternalPath($absolutePath);
714
+            $storage->getUpdater()->remove($internalPath);
715
+            return true;
716
+        } else {
717
+            return $result;
718
+        }
719
+    }
720
+
721
+    /**
722
+     * @param string $directory
723
+     * @return bool|mixed
724
+     */
725
+    public function deleteAll($directory) {
726
+        return $this->rmdir($directory);
727
+    }
728
+
729
+    /**
730
+     * Rename/move a file or folder from the source path to target path.
731
+     *
732
+     * @param string $path1 source path
733
+     * @param string $path2 target path
734
+     *
735
+     * @return bool|mixed
736
+     */
737
+    public function rename($path1, $path2) {
738
+        $absolutePath1 = Filesystem::normalizePath($this->getAbsolutePath($path1));
739
+        $absolutePath2 = Filesystem::normalizePath($this->getAbsolutePath($path2));
740
+        $result = false;
741
+        if (
742
+            Filesystem::isValidPath($path2)
743
+            and Filesystem::isValidPath($path1)
744
+            and !Filesystem::isFileBlacklisted($path2)
745
+        ) {
746
+            $path1 = $this->getRelativePath($absolutePath1);
747
+            $path2 = $this->getRelativePath($absolutePath2);
748
+            $exists = $this->file_exists($path2);
749
+
750
+            if ($path1 == null or $path2 == null) {
751
+                return false;
752
+            }
753
+
754
+            $this->lockFile($path1, ILockingProvider::LOCK_SHARED, true);
755
+            try {
756
+                $this->lockFile($path2, ILockingProvider::LOCK_SHARED, true);
757
+
758
+                $run = true;
759
+                if ($this->shouldEmitHooks($path1) && (Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2))) {
760
+                    // if it was a rename from a part file to a regular file it was a write and not a rename operation
761
+                    $this->emit_file_hooks_pre($exists, $path2, $run);
762
+                } elseif ($this->shouldEmitHooks($path1)) {
763
+                    \OC_Hook::emit(
764
+                        Filesystem::CLASSNAME, Filesystem::signal_rename,
765
+                        array(
766
+                            Filesystem::signal_param_oldpath => $this->getHookPath($path1),
767
+                            Filesystem::signal_param_newpath => $this->getHookPath($path2),
768
+                            Filesystem::signal_param_run => &$run
769
+                        )
770
+                    );
771
+                }
772
+                if ($run) {
773
+                    $this->verifyPath(dirname($path2), basename($path2));
774
+
775
+                    $manager = Filesystem::getMountManager();
776
+                    $mount1 = $this->getMount($path1);
777
+                    $mount2 = $this->getMount($path2);
778
+                    $storage1 = $mount1->getStorage();
779
+                    $storage2 = $mount2->getStorage();
780
+                    $internalPath1 = $mount1->getInternalPath($absolutePath1);
781
+                    $internalPath2 = $mount2->getInternalPath($absolutePath2);
782
+
783
+                    $this->changeLock($path1, ILockingProvider::LOCK_EXCLUSIVE, true);
784
+                    try {
785
+                        $this->changeLock($path2, ILockingProvider::LOCK_EXCLUSIVE, true);
786
+
787
+                        if ($internalPath1 === '') {
788
+                            if ($mount1 instanceof MoveableMount) {
789
+                                if ($this->isTargetAllowed($absolutePath2)) {
790
+                                    /**
791
+                                     * @var \OC\Files\Mount\MountPoint | \OC\Files\Mount\MoveableMount $mount1
792
+                                     */
793
+                                    $sourceMountPoint = $mount1->getMountPoint();
794
+                                    $result = $mount1->moveMount($absolutePath2);
795
+                                    $manager->moveMount($sourceMountPoint, $mount1->getMountPoint());
796
+                                } else {
797
+                                    $result = false;
798
+                                }
799
+                            } else {
800
+                                $result = false;
801
+                            }
802
+                            // moving a file/folder within the same mount point
803
+                        } elseif ($storage1 === $storage2) {
804
+                            if ($storage1) {
805
+                                $result = $storage1->rename($internalPath1, $internalPath2);
806
+                            } else {
807
+                                $result = false;
808
+                            }
809
+                            // moving a file/folder between storages (from $storage1 to $storage2)
810
+                        } else {
811
+                            $result = $storage2->moveFromStorage($storage1, $internalPath1, $internalPath2);
812
+                        }
813
+
814
+                        if ((Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2)) && $result !== false) {
815
+                            // if it was a rename from a part file to a regular file it was a write and not a rename operation
816
+                            $this->writeUpdate($storage2, $internalPath2);
817
+                        } else if ($result) {
818
+                            if ($internalPath1 !== '') { // don't do a cache update for moved mounts
819
+                                $this->renameUpdate($storage1, $storage2, $internalPath1, $internalPath2);
820
+                            }
821
+                        }
822
+                    } catch(\Exception $e) {
823
+                        throw $e;
824
+                    } finally {
825
+                        $this->changeLock($path1, ILockingProvider::LOCK_SHARED, true);
826
+                        $this->changeLock($path2, ILockingProvider::LOCK_SHARED, true);
827
+                    }
828
+
829
+                    if ((Cache\Scanner::isPartialFile($path1) && !Cache\Scanner::isPartialFile($path2)) && $result !== false) {
830
+                        if ($this->shouldEmitHooks()) {
831
+                            $this->emit_file_hooks_post($exists, $path2);
832
+                        }
833
+                    } elseif ($result) {
834
+                        if ($this->shouldEmitHooks($path1) and $this->shouldEmitHooks($path2)) {
835
+                            \OC_Hook::emit(
836
+                                Filesystem::CLASSNAME,
837
+                                Filesystem::signal_post_rename,
838
+                                array(
839
+                                    Filesystem::signal_param_oldpath => $this->getHookPath($path1),
840
+                                    Filesystem::signal_param_newpath => $this->getHookPath($path2)
841
+                                )
842
+                            );
843
+                        }
844
+                    }
845
+                }
846
+            } catch(\Exception $e) {
847
+                throw $e;
848
+            } finally {
849
+                $this->unlockFile($path1, ILockingProvider::LOCK_SHARED, true);
850
+                $this->unlockFile($path2, ILockingProvider::LOCK_SHARED, true);
851
+            }
852
+        }
853
+        return $result;
854
+    }
855
+
856
+    /**
857
+     * Copy a file/folder from the source path to target path
858
+     *
859
+     * @param string $path1 source path
860
+     * @param string $path2 target path
861
+     * @param bool $preserveMtime whether to preserve mtime on the copy
862
+     *
863
+     * @return bool|mixed
864
+     */
865
+    public function copy($path1, $path2, $preserveMtime = false) {
866
+        $absolutePath1 = Filesystem::normalizePath($this->getAbsolutePath($path1));
867
+        $absolutePath2 = Filesystem::normalizePath($this->getAbsolutePath($path2));
868
+        $result = false;
869
+        if (
870
+            Filesystem::isValidPath($path2)
871
+            and Filesystem::isValidPath($path1)
872
+            and !Filesystem::isFileBlacklisted($path2)
873
+        ) {
874
+            $path1 = $this->getRelativePath($absolutePath1);
875
+            $path2 = $this->getRelativePath($absolutePath2);
876
+
877
+            if ($path1 == null or $path2 == null) {
878
+                return false;
879
+            }
880
+            $run = true;
881
+
882
+            $this->lockFile($path2, ILockingProvider::LOCK_SHARED);
883
+            $this->lockFile($path1, ILockingProvider::LOCK_SHARED);
884
+            $lockTypePath1 = ILockingProvider::LOCK_SHARED;
885
+            $lockTypePath2 = ILockingProvider::LOCK_SHARED;
886
+
887
+            try {
888
+
889
+                $exists = $this->file_exists($path2);
890
+                if ($this->shouldEmitHooks()) {
891
+                    \OC_Hook::emit(
892
+                        Filesystem::CLASSNAME,
893
+                        Filesystem::signal_copy,
894
+                        array(
895
+                            Filesystem::signal_param_oldpath => $this->getHookPath($path1),
896
+                            Filesystem::signal_param_newpath => $this->getHookPath($path2),
897
+                            Filesystem::signal_param_run => &$run
898
+                        )
899
+                    );
900
+                    $this->emit_file_hooks_pre($exists, $path2, $run);
901
+                }
902
+                if ($run) {
903
+                    $mount1 = $this->getMount($path1);
904
+                    $mount2 = $this->getMount($path2);
905
+                    $storage1 = $mount1->getStorage();
906
+                    $internalPath1 = $mount1->getInternalPath($absolutePath1);
907
+                    $storage2 = $mount2->getStorage();
908
+                    $internalPath2 = $mount2->getInternalPath($absolutePath2);
909
+
910
+                    $this->changeLock($path2, ILockingProvider::LOCK_EXCLUSIVE);
911
+                    $lockTypePath2 = ILockingProvider::LOCK_EXCLUSIVE;
912
+
913
+                    if ($mount1->getMountPoint() == $mount2->getMountPoint()) {
914
+                        if ($storage1) {
915
+                            $result = $storage1->copy($internalPath1, $internalPath2);
916
+                        } else {
917
+                            $result = false;
918
+                        }
919
+                    } else {
920
+                        $result = $storage2->copyFromStorage($storage1, $internalPath1, $internalPath2);
921
+                    }
922
+
923
+                    $this->writeUpdate($storage2, $internalPath2);
924
+
925
+                    $this->changeLock($path2, ILockingProvider::LOCK_SHARED);
926
+                    $lockTypePath2 = ILockingProvider::LOCK_SHARED;
927
+
928
+                    if ($this->shouldEmitHooks() && $result !== false) {
929
+                        \OC_Hook::emit(
930
+                            Filesystem::CLASSNAME,
931
+                            Filesystem::signal_post_copy,
932
+                            array(
933
+                                Filesystem::signal_param_oldpath => $this->getHookPath($path1),
934
+                                Filesystem::signal_param_newpath => $this->getHookPath($path2)
935
+                            )
936
+                        );
937
+                        $this->emit_file_hooks_post($exists, $path2);
938
+                    }
939
+
940
+                }
941
+            } catch (\Exception $e) {
942
+                $this->unlockFile($path2, $lockTypePath2);
943
+                $this->unlockFile($path1, $lockTypePath1);
944
+                throw $e;
945
+            }
946
+
947
+            $this->unlockFile($path2, $lockTypePath2);
948
+            $this->unlockFile($path1, $lockTypePath1);
949
+
950
+        }
951
+        return $result;
952
+    }
953
+
954
+    /**
955
+     * @param string $path
956
+     * @param string $mode 'r' or 'w'
957
+     * @return resource
958
+     */
959
+    public function fopen($path, $mode) {
960
+        $mode = str_replace('b', '', $mode); // the binary flag is a windows only feature which we do not support
961
+        $hooks = array();
962
+        switch ($mode) {
963
+            case 'r':
964
+                $hooks[] = 'read';
965
+                break;
966
+            case 'r+':
967
+            case 'w+':
968
+            case 'x+':
969
+            case 'a+':
970
+                $hooks[] = 'read';
971
+                $hooks[] = 'write';
972
+                break;
973
+            case 'w':
974
+            case 'x':
975
+            case 'a':
976
+                $hooks[] = 'write';
977
+                break;
978
+            default:
979
+                \OCP\Util::writeLog('core', 'invalid mode (' . $mode . ') for ' . $path, ILogger::ERROR);
980
+        }
981
+
982
+        if ($mode !== 'r' && $mode !== 'w') {
983
+            \OC::$server->getLogger()->info('Trying to open a file with a mode other than "r" or "w" can cause severe performance issues with some backends');
984
+        }
985
+
986
+        return $this->basicOperation('fopen', $path, $hooks, $mode);
987
+    }
988
+
989
+    /**
990
+     * @param string $path
991
+     * @return bool|string
992
+     * @throws \OCP\Files\InvalidPathException
993
+     */
994
+    public function toTmpFile($path) {
995
+        $this->assertPathLength($path);
996
+        if (Filesystem::isValidPath($path)) {
997
+            $source = $this->fopen($path, 'r');
998
+            if ($source) {
999
+                $extension = pathinfo($path, PATHINFO_EXTENSION);
1000
+                $tmpFile = \OC::$server->getTempManager()->getTemporaryFile($extension);
1001
+                file_put_contents($tmpFile, $source);
1002
+                return $tmpFile;
1003
+            } else {
1004
+                return false;
1005
+            }
1006
+        } else {
1007
+            return false;
1008
+        }
1009
+    }
1010
+
1011
+    /**
1012
+     * @param string $tmpFile
1013
+     * @param string $path
1014
+     * @return bool|mixed
1015
+     * @throws \OCP\Files\InvalidPathException
1016
+     */
1017
+    public function fromTmpFile($tmpFile, $path) {
1018
+        $this->assertPathLength($path);
1019
+        if (Filesystem::isValidPath($path)) {
1020
+
1021
+            // Get directory that the file is going into
1022
+            $filePath = dirname($path);
1023
+
1024
+            // Create the directories if any
1025
+            if (!$this->file_exists($filePath)) {
1026
+                $result = $this->createParentDirectories($filePath);
1027
+                if ($result === false) {
1028
+                    return false;
1029
+                }
1030
+            }
1031
+
1032
+            $source = fopen($tmpFile, 'r');
1033
+            if ($source) {
1034
+                $result = $this->file_put_contents($path, $source);
1035
+                // $this->file_put_contents() might have already closed
1036
+                // the resource, so we check it, before trying to close it
1037
+                // to avoid messages in the error log.
1038
+                if (is_resource($source)) {
1039
+                    fclose($source);
1040
+                }
1041
+                unlink($tmpFile);
1042
+                return $result;
1043
+            } else {
1044
+                return false;
1045
+            }
1046
+        } else {
1047
+            return false;
1048
+        }
1049
+    }
1050
+
1051
+
1052
+    /**
1053
+     * @param string $path
1054
+     * @return mixed
1055
+     * @throws \OCP\Files\InvalidPathException
1056
+     */
1057
+    public function getMimeType($path) {
1058
+        $this->assertPathLength($path);
1059
+        return $this->basicOperation('getMimeType', $path);
1060
+    }
1061
+
1062
+    /**
1063
+     * @param string $type
1064
+     * @param string $path
1065
+     * @param bool $raw
1066
+     * @return bool|null|string
1067
+     */
1068
+    public function hash($type, $path, $raw = false) {
1069
+        $postFix = (substr($path, -1) === '/') ? '/' : '';
1070
+        $absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
1071
+        if (Filesystem::isValidPath($path)) {
1072
+            $path = $this->getRelativePath($absolutePath);
1073
+            if ($path == null) {
1074
+                return false;
1075
+            }
1076
+            if ($this->shouldEmitHooks($path)) {
1077
+                \OC_Hook::emit(
1078
+                    Filesystem::CLASSNAME,
1079
+                    Filesystem::signal_read,
1080
+                    array(Filesystem::signal_param_path => $this->getHookPath($path))
1081
+                );
1082
+            }
1083
+            list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
1084
+            if ($storage) {
1085
+                return $storage->hash($type, $internalPath, $raw);
1086
+            }
1087
+        }
1088
+        return null;
1089
+    }
1090
+
1091
+    /**
1092
+     * @param string $path
1093
+     * @return mixed
1094
+     * @throws \OCP\Files\InvalidPathException
1095
+     */
1096
+    public function free_space($path = '/') {
1097
+        $this->assertPathLength($path);
1098
+        $result = $this->basicOperation('free_space', $path);
1099
+        if ($result === null) {
1100
+            throw new InvalidPathException();
1101
+        }
1102
+        return $result;
1103
+    }
1104
+
1105
+    /**
1106
+     * abstraction layer for basic filesystem functions: wrapper for \OC\Files\Storage\Storage
1107
+     *
1108
+     * @param string $operation
1109
+     * @param string $path
1110
+     * @param array $hooks (optional)
1111
+     * @param mixed $extraParam (optional)
1112
+     * @return mixed
1113
+     * @throws \Exception
1114
+     *
1115
+     * This method takes requests for basic filesystem functions (e.g. reading & writing
1116
+     * files), processes hooks and proxies, sanitises paths, and finally passes them on to
1117
+     * \OC\Files\Storage\Storage for delegation to a storage backend for execution
1118
+     */
1119
+    private function basicOperation($operation, $path, $hooks = [], $extraParam = null) {
1120
+        $postFix = (substr($path, -1) === '/') ? '/' : '';
1121
+        $absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
1122
+        if (Filesystem::isValidPath($path)
1123
+            and !Filesystem::isFileBlacklisted($path)
1124
+        ) {
1125
+            $path = $this->getRelativePath($absolutePath);
1126
+            if ($path == null) {
1127
+                return false;
1128
+            }
1129
+
1130
+            if (in_array('write', $hooks) || in_array('delete', $hooks) || in_array('read', $hooks)) {
1131
+                // always a shared lock during pre-hooks so the hook can read the file
1132
+                $this->lockFile($path, ILockingProvider::LOCK_SHARED);
1133
+            }
1134
+
1135
+            $run = $this->runHooks($hooks, $path);
1136
+            /** @var \OC\Files\Storage\Storage $storage */
1137
+            list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
1138
+            if ($run and $storage) {
1139
+                if (in_array('write', $hooks) || in_array('delete', $hooks)) {
1140
+                    $this->changeLock($path, ILockingProvider::LOCK_EXCLUSIVE);
1141
+                }
1142
+                try {
1143
+                    if (!is_null($extraParam)) {
1144
+                        $result = $storage->$operation($internalPath, $extraParam);
1145
+                    } else {
1146
+                        $result = $storage->$operation($internalPath);
1147
+                    }
1148
+                } catch (\Exception $e) {
1149
+                    if (in_array('write', $hooks) || in_array('delete', $hooks)) {
1150
+                        $this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
1151
+                    } else if (in_array('read', $hooks)) {
1152
+                        $this->unlockFile($path, ILockingProvider::LOCK_SHARED);
1153
+                    }
1154
+                    throw $e;
1155
+                }
1156
+
1157
+                if ($result && in_array('delete', $hooks) and $result) {
1158
+                    $this->removeUpdate($storage, $internalPath);
1159
+                }
1160
+                if ($result && in_array('write', $hooks) and $operation !== 'fopen') {
1161
+                    $this->writeUpdate($storage, $internalPath);
1162
+                }
1163
+                if ($result && in_array('touch', $hooks)) {
1164
+                    $this->writeUpdate($storage, $internalPath, $extraParam);
1165
+                }
1166
+
1167
+                if ((in_array('write', $hooks) || in_array('delete', $hooks)) && ($operation !== 'fopen' || $result === false)) {
1168
+                    $this->changeLock($path, ILockingProvider::LOCK_SHARED);
1169
+                }
1170
+
1171
+                $unlockLater = false;
1172
+                if ($this->lockingEnabled && $operation === 'fopen' && is_resource($result)) {
1173
+                    $unlockLater = true;
1174
+                    // make sure our unlocking callback will still be called if connection is aborted
1175
+                    ignore_user_abort(true);
1176
+                    $result = CallbackWrapper::wrap($result, null, null, function () use ($hooks, $path) {
1177
+                        if (in_array('write', $hooks)) {
1178
+                            $this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
1179
+                        } else if (in_array('read', $hooks)) {
1180
+                            $this->unlockFile($path, ILockingProvider::LOCK_SHARED);
1181
+                        }
1182
+                    });
1183
+                }
1184
+
1185
+                if ($this->shouldEmitHooks($path) && $result !== false) {
1186
+                    if ($operation != 'fopen') { //no post hooks for fopen, the file stream is still open
1187
+                        $this->runHooks($hooks, $path, true);
1188
+                    }
1189
+                }
1190
+
1191
+                if (!$unlockLater
1192
+                    && (in_array('write', $hooks) || in_array('delete', $hooks) || in_array('read', $hooks))
1193
+                ) {
1194
+                    $this->unlockFile($path, ILockingProvider::LOCK_SHARED);
1195
+                }
1196
+                return $result;
1197
+            } else {
1198
+                $this->unlockFile($path, ILockingProvider::LOCK_SHARED);
1199
+            }
1200
+        }
1201
+        return null;
1202
+    }
1203
+
1204
+    /**
1205
+     * get the path relative to the default root for hook usage
1206
+     *
1207
+     * @param string $path
1208
+     * @return string
1209
+     */
1210
+    private function getHookPath($path) {
1211
+        if (!Filesystem::getView()) {
1212
+            return $path;
1213
+        }
1214
+        return Filesystem::getView()->getRelativePath($this->getAbsolutePath($path));
1215
+    }
1216
+
1217
+    private function shouldEmitHooks($path = '') {
1218
+        if ($path && Cache\Scanner::isPartialFile($path)) {
1219
+            return false;
1220
+        }
1221
+        if (!Filesystem::$loaded) {
1222
+            return false;
1223
+        }
1224
+        $defaultRoot = Filesystem::getRoot();
1225
+        if ($defaultRoot === null) {
1226
+            return false;
1227
+        }
1228
+        if ($this->fakeRoot === $defaultRoot) {
1229
+            return true;
1230
+        }
1231
+        $fullPath = $this->getAbsolutePath($path);
1232
+
1233
+        if ($fullPath === $defaultRoot) {
1234
+            return true;
1235
+        }
1236
+
1237
+        return (strlen($fullPath) > strlen($defaultRoot)) && (substr($fullPath, 0, strlen($defaultRoot) + 1) === $defaultRoot . '/');
1238
+    }
1239
+
1240
+    /**
1241
+     * @param string[] $hooks
1242
+     * @param string $path
1243
+     * @param bool $post
1244
+     * @return bool
1245
+     */
1246
+    private function runHooks($hooks, $path, $post = false) {
1247
+        $relativePath = $path;
1248
+        $path = $this->getHookPath($path);
1249
+        $prefix = $post ? 'post_' : '';
1250
+        $run = true;
1251
+        if ($this->shouldEmitHooks($relativePath)) {
1252
+            foreach ($hooks as $hook) {
1253
+                if ($hook != 'read') {
1254
+                    \OC_Hook::emit(
1255
+                        Filesystem::CLASSNAME,
1256
+                        $prefix . $hook,
1257
+                        array(
1258
+                            Filesystem::signal_param_run => &$run,
1259
+                            Filesystem::signal_param_path => $path
1260
+                        )
1261
+                    );
1262
+                } elseif (!$post) {
1263
+                    \OC_Hook::emit(
1264
+                        Filesystem::CLASSNAME,
1265
+                        $prefix . $hook,
1266
+                        array(
1267
+                            Filesystem::signal_param_path => $path
1268
+                        )
1269
+                    );
1270
+                }
1271
+            }
1272
+        }
1273
+        return $run;
1274
+    }
1275
+
1276
+    /**
1277
+     * check if a file or folder has been updated since $time
1278
+     *
1279
+     * @param string $path
1280
+     * @param int $time
1281
+     * @return bool
1282
+     */
1283
+    public function hasUpdated($path, $time) {
1284
+        return $this->basicOperation('hasUpdated', $path, array(), $time);
1285
+    }
1286
+
1287
+    /**
1288
+     * @param string $ownerId
1289
+     * @return \OC\User\User
1290
+     */
1291
+    private function getUserObjectForOwner($ownerId) {
1292
+        $owner = $this->userManager->get($ownerId);
1293
+        if ($owner instanceof IUser) {
1294
+            return $owner;
1295
+        } else {
1296
+            return new User($ownerId, null);
1297
+        }
1298
+    }
1299
+
1300
+    /**
1301
+     * Get file info from cache
1302
+     *
1303
+     * If the file is not in cached it will be scanned
1304
+     * If the file has changed on storage the cache will be updated
1305
+     *
1306
+     * @param \OC\Files\Storage\Storage $storage
1307
+     * @param string $internalPath
1308
+     * @param string $relativePath
1309
+     * @return ICacheEntry|bool
1310
+     */
1311
+    private function getCacheEntry($storage, $internalPath, $relativePath) {
1312
+        $cache = $storage->getCache($internalPath);
1313
+        $data = $cache->get($internalPath);
1314
+        $watcher = $storage->getWatcher($internalPath);
1315
+
1316
+        try {
1317
+            // if the file is not in the cache or needs to be updated, trigger the scanner and reload the data
1318
+            if (!$data || $data['size'] === -1) {
1319
+                $this->lockFile($relativePath, ILockingProvider::LOCK_SHARED);
1320
+                if (!$storage->file_exists($internalPath)) {
1321
+                    $this->unlockFile($relativePath, ILockingProvider::LOCK_SHARED);
1322
+                    return false;
1323
+                }
1324
+                $scanner = $storage->getScanner($internalPath);
1325
+                $scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
1326
+                $data = $cache->get($internalPath);
1327
+                $this->unlockFile($relativePath, ILockingProvider::LOCK_SHARED);
1328
+            } else if (!Cache\Scanner::isPartialFile($internalPath) && $watcher->needsUpdate($internalPath, $data)) {
1329
+                $this->lockFile($relativePath, ILockingProvider::LOCK_SHARED);
1330
+                $watcher->update($internalPath, $data);
1331
+                $storage->getPropagator()->propagateChange($internalPath, time());
1332
+                $data = $cache->get($internalPath);
1333
+                $this->unlockFile($relativePath, ILockingProvider::LOCK_SHARED);
1334
+            }
1335
+        } catch (LockedException $e) {
1336
+            // if the file is locked we just use the old cache info
1337
+        }
1338
+
1339
+        return $data;
1340
+    }
1341
+
1342
+    /**
1343
+     * get the filesystem info
1344
+     *
1345
+     * @param string $path
1346
+     * @param boolean|string $includeMountPoints true to add mountpoint sizes,
1347
+     * 'ext' to add only ext storage mount point sizes. Defaults to true.
1348
+     * defaults to true
1349
+     * @return \OC\Files\FileInfo|false False if file does not exist
1350
+     */
1351
+    public function getFileInfo($path, $includeMountPoints = true) {
1352
+        $this->assertPathLength($path);
1353
+        if (!Filesystem::isValidPath($path)) {
1354
+            return false;
1355
+        }
1356
+        if (Cache\Scanner::isPartialFile($path)) {
1357
+            return $this->getPartFileInfo($path);
1358
+        }
1359
+        $relativePath = $path;
1360
+        $path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
1361
+
1362
+        $mount = Filesystem::getMountManager()->find($path);
1363
+        if (!$mount) {
1364
+            return false;
1365
+        }
1366
+        $storage = $mount->getStorage();
1367
+        $internalPath = $mount->getInternalPath($path);
1368
+        if ($storage) {
1369
+            $data = $this->getCacheEntry($storage, $internalPath, $relativePath);
1370
+
1371
+            if (!$data instanceof ICacheEntry) {
1372
+                return false;
1373
+            }
1374
+
1375
+            if ($mount instanceof MoveableMount && $internalPath === '') {
1376
+                $data['permissions'] |= \OCP\Constants::PERMISSION_DELETE;
1377
+            }
1378
+
1379
+            $owner = $this->getUserObjectForOwner($storage->getOwner($internalPath));
1380
+            $info = new FileInfo($path, $storage, $internalPath, $data, $mount, $owner);
1381
+
1382
+            if ($data and isset($data['fileid'])) {
1383
+                if ($includeMountPoints and $data['mimetype'] === 'httpd/unix-directory') {
1384
+                    //add the sizes of other mount points to the folder
1385
+                    $extOnly = ($includeMountPoints === 'ext');
1386
+                    $mounts = Filesystem::getMountManager()->findIn($path);
1387
+                    $info->setSubMounts(array_filter($mounts, function (IMountPoint $mount) use ($extOnly) {
1388
+                        $subStorage = $mount->getStorage();
1389
+                        return !($extOnly && $subStorage instanceof \OCA\Files_Sharing\SharedStorage);
1390
+                    }));
1391
+                }
1392
+            }
1393
+
1394
+            return $info;
1395
+        }
1396
+
1397
+        return false;
1398
+    }
1399
+
1400
+    /**
1401
+     * get the content of a directory
1402
+     *
1403
+     * @param string $directory path under datadirectory
1404
+     * @param string $mimetype_filter limit returned content to this mimetype or mimepart
1405
+     * @return FileInfo[]
1406
+     */
1407
+    public function getDirectoryContent($directory, $mimetype_filter = '') {
1408
+        $this->assertPathLength($directory);
1409
+        if (!Filesystem::isValidPath($directory)) {
1410
+            return [];
1411
+        }
1412
+        $path = $this->getAbsolutePath($directory);
1413
+        $path = Filesystem::normalizePath($path);
1414
+        $mount = $this->getMount($directory);
1415
+        if (!$mount) {
1416
+            return [];
1417
+        }
1418
+        $storage = $mount->getStorage();
1419
+        $internalPath = $mount->getInternalPath($path);
1420
+        if ($storage) {
1421
+            $cache = $storage->getCache($internalPath);
1422
+            $user = \OC_User::getUser();
1423
+
1424
+            $data = $this->getCacheEntry($storage, $internalPath, $directory);
1425
+
1426
+            if (!$data instanceof ICacheEntry || !isset($data['fileid']) || !($data->getPermissions() && Constants::PERMISSION_READ)) {
1427
+                return [];
1428
+            }
1429
+
1430
+            $folderId = $data['fileid'];
1431
+            $contents = $cache->getFolderContentsById($folderId); //TODO: mimetype_filter
1432
+
1433
+            $sharingDisabled = \OCP\Util::isSharingDisabledForUser();
1434
+            /**
1435
+             * @var \OC\Files\FileInfo[] $files
1436
+             */
1437
+            $files = array_map(function (ICacheEntry $content) use ($path, $storage, $mount, $sharingDisabled) {
1438
+                if ($sharingDisabled) {
1439
+                    $content['permissions'] = $content['permissions'] & ~\OCP\Constants::PERMISSION_SHARE;
1440
+                }
1441
+                $owner = $this->getUserObjectForOwner($storage->getOwner($content['path']));
1442
+                return new FileInfo($path . '/' . $content['name'], $storage, $content['path'], $content, $mount, $owner);
1443
+            }, $contents);
1444
+
1445
+            //add a folder for any mountpoint in this directory and add the sizes of other mountpoints to the folders
1446
+            $mounts = Filesystem::getMountManager()->findIn($path);
1447
+            $dirLength = strlen($path);
1448
+            foreach ($mounts as $mount) {
1449
+                $mountPoint = $mount->getMountPoint();
1450
+                $subStorage = $mount->getStorage();
1451
+                if ($subStorage) {
1452
+                    $subCache = $subStorage->getCache('');
1453
+
1454
+                    $rootEntry = $subCache->get('');
1455
+                    if (!$rootEntry) {
1456
+                        $subScanner = $subStorage->getScanner('');
1457
+                        try {
1458
+                            $subScanner->scanFile('');
1459
+                        } catch (\OCP\Files\StorageNotAvailableException $e) {
1460
+                            continue;
1461
+                        } catch (\OCP\Files\StorageInvalidException $e) {
1462
+                            continue;
1463
+                        } catch (\Exception $e) {
1464
+                            // sometimes when the storage is not available it can be any exception
1465
+                            \OC::$server->getLogger()->logException($e, [
1466
+                                'message' => 'Exception while scanning storage "' . $subStorage->getId() . '"',
1467
+                                'level' => ILogger::ERROR,
1468
+                                'app' => 'lib',
1469
+                            ]);
1470
+                            continue;
1471
+                        }
1472
+                        $rootEntry = $subCache->get('');
1473
+                    }
1474
+
1475
+                    if ($rootEntry && ($rootEntry->getPermissions() && Constants::PERMISSION_READ)) {
1476
+                        $relativePath = trim(substr($mountPoint, $dirLength), '/');
1477
+                        if ($pos = strpos($relativePath, '/')) {
1478
+                            //mountpoint inside subfolder add size to the correct folder
1479
+                            $entryName = substr($relativePath, 0, $pos);
1480
+                            foreach ($files as &$entry) {
1481
+                                if ($entry->getName() === $entryName) {
1482
+                                    $entry->addSubEntry($rootEntry, $mountPoint);
1483
+                                }
1484
+                            }
1485
+                        } else { //mountpoint in this folder, add an entry for it
1486
+                            $rootEntry['name'] = $relativePath;
1487
+                            $rootEntry['type'] = $rootEntry['mimetype'] === 'httpd/unix-directory' ? 'dir' : 'file';
1488
+                            $permissions = $rootEntry['permissions'];
1489
+                            // do not allow renaming/deleting the mount point if they are not shared files/folders
1490
+                            // for shared files/folders we use the permissions given by the owner
1491
+                            if ($mount instanceof MoveableMount) {
1492
+                                $rootEntry['permissions'] = $permissions | \OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE;
1493
+                            } else {
1494
+                                $rootEntry['permissions'] = $permissions & (\OCP\Constants::PERMISSION_ALL - (\OCP\Constants::PERMISSION_UPDATE | \OCP\Constants::PERMISSION_DELETE));
1495
+                            }
1496
+
1497
+                            //remove any existing entry with the same name
1498
+                            foreach ($files as $i => $file) {
1499
+                                if ($file['name'] === $rootEntry['name']) {
1500
+                                    unset($files[$i]);
1501
+                                    break;
1502
+                                }
1503
+                            }
1504
+                            $rootEntry['path'] = substr(Filesystem::normalizePath($path . '/' . $rootEntry['name']), strlen($user) + 2); // full path without /$user/
1505
+
1506
+                            // if sharing was disabled for the user we remove the share permissions
1507
+                            if (\OCP\Util::isSharingDisabledForUser()) {
1508
+                                $rootEntry['permissions'] = $rootEntry['permissions'] & ~\OCP\Constants::PERMISSION_SHARE;
1509
+                            }
1510
+
1511
+                            $owner = $this->getUserObjectForOwner($subStorage->getOwner(''));
1512
+                            $files[] = new FileInfo($path . '/' . $rootEntry['name'], $subStorage, '', $rootEntry, $mount, $owner);
1513
+                        }
1514
+                    }
1515
+                }
1516
+            }
1517
+
1518
+            if ($mimetype_filter) {
1519
+                $files = array_filter($files, function (FileInfo $file) use ($mimetype_filter) {
1520
+                    if (strpos($mimetype_filter, '/')) {
1521
+                        return $file->getMimetype() === $mimetype_filter;
1522
+                    } else {
1523
+                        return $file->getMimePart() === $mimetype_filter;
1524
+                    }
1525
+                });
1526
+            }
1527
+
1528
+            return $files;
1529
+        } else {
1530
+            return [];
1531
+        }
1532
+    }
1533
+
1534
+    /**
1535
+     * change file metadata
1536
+     *
1537
+     * @param string $path
1538
+     * @param array|\OCP\Files\FileInfo $data
1539
+     * @return int
1540
+     *
1541
+     * returns the fileid of the updated file
1542
+     */
1543
+    public function putFileInfo($path, $data) {
1544
+        $this->assertPathLength($path);
1545
+        if ($data instanceof FileInfo) {
1546
+            $data = $data->getData();
1547
+        }
1548
+        $path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
1549
+        /**
1550
+         * @var \OC\Files\Storage\Storage $storage
1551
+         * @var string $internalPath
1552
+         */
1553
+        list($storage, $internalPath) = Filesystem::resolvePath($path);
1554
+        if ($storage) {
1555
+            $cache = $storage->getCache($path);
1556
+
1557
+            if (!$cache->inCache($internalPath)) {
1558
+                $scanner = $storage->getScanner($internalPath);
1559
+                $scanner->scan($internalPath, Cache\Scanner::SCAN_SHALLOW);
1560
+            }
1561
+
1562
+            return $cache->put($internalPath, $data);
1563
+        } else {
1564
+            return -1;
1565
+        }
1566
+    }
1567
+
1568
+    /**
1569
+     * search for files with the name matching $query
1570
+     *
1571
+     * @param string $query
1572
+     * @return FileInfo[]
1573
+     */
1574
+    public function search($query) {
1575
+        return $this->searchCommon('search', array('%' . $query . '%'));
1576
+    }
1577
+
1578
+    /**
1579
+     * search for files with the name matching $query
1580
+     *
1581
+     * @param string $query
1582
+     * @return FileInfo[]
1583
+     */
1584
+    public function searchRaw($query) {
1585
+        return $this->searchCommon('search', array($query));
1586
+    }
1587
+
1588
+    /**
1589
+     * search for files by mimetype
1590
+     *
1591
+     * @param string $mimetype
1592
+     * @return FileInfo[]
1593
+     */
1594
+    public function searchByMime($mimetype) {
1595
+        return $this->searchCommon('searchByMime', array($mimetype));
1596
+    }
1597
+
1598
+    /**
1599
+     * search for files by tag
1600
+     *
1601
+     * @param string|int $tag name or tag id
1602
+     * @param string $userId owner of the tags
1603
+     * @return FileInfo[]
1604
+     */
1605
+    public function searchByTag($tag, $userId) {
1606
+        return $this->searchCommon('searchByTag', array($tag, $userId));
1607
+    }
1608
+
1609
+    /**
1610
+     * @param string $method cache method
1611
+     * @param array $args
1612
+     * @return FileInfo[]
1613
+     */
1614
+    private function searchCommon($method, $args) {
1615
+        $files = array();
1616
+        $rootLength = strlen($this->fakeRoot);
1617
+
1618
+        $mount = $this->getMount('');
1619
+        $mountPoint = $mount->getMountPoint();
1620
+        $storage = $mount->getStorage();
1621
+        if ($storage) {
1622
+            $cache = $storage->getCache('');
1623
+
1624
+            $results = call_user_func_array(array($cache, $method), $args);
1625
+            foreach ($results as $result) {
1626
+                if (substr($mountPoint . $result['path'], 0, $rootLength + 1) === $this->fakeRoot . '/') {
1627
+                    $internalPath = $result['path'];
1628
+                    $path = $mountPoint . $result['path'];
1629
+                    $result['path'] = substr($mountPoint . $result['path'], $rootLength);
1630
+                    $owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
1631
+                    $files[] = new FileInfo($path, $storage, $internalPath, $result, $mount, $owner);
1632
+                }
1633
+            }
1634
+
1635
+            $mounts = Filesystem::getMountManager()->findIn($this->fakeRoot);
1636
+            foreach ($mounts as $mount) {
1637
+                $mountPoint = $mount->getMountPoint();
1638
+                $storage = $mount->getStorage();
1639
+                if ($storage) {
1640
+                    $cache = $storage->getCache('');
1641
+
1642
+                    $relativeMountPoint = substr($mountPoint, $rootLength);
1643
+                    $results = call_user_func_array(array($cache, $method), $args);
1644
+                    if ($results) {
1645
+                        foreach ($results as $result) {
1646
+                            $internalPath = $result['path'];
1647
+                            $result['path'] = rtrim($relativeMountPoint . $result['path'], '/');
1648
+                            $path = rtrim($mountPoint . $internalPath, '/');
1649
+                            $owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
1650
+                            $files[] = new FileInfo($path, $storage, $internalPath, $result, $mount, $owner);
1651
+                        }
1652
+                    }
1653
+                }
1654
+            }
1655
+        }
1656
+        return $files;
1657
+    }
1658
+
1659
+    /**
1660
+     * Get the owner for a file or folder
1661
+     *
1662
+     * @param string $path
1663
+     * @return string the user id of the owner
1664
+     * @throws NotFoundException
1665
+     */
1666
+    public function getOwner($path) {
1667
+        $info = $this->getFileInfo($path);
1668
+        if (!$info) {
1669
+            throw new NotFoundException($path . ' not found while trying to get owner');
1670
+        }
1671
+        return $info->getOwner()->getUID();
1672
+    }
1673
+
1674
+    /**
1675
+     * get the ETag for a file or folder
1676
+     *
1677
+     * @param string $path
1678
+     * @return string
1679
+     */
1680
+    public function getETag($path) {
1681
+        /**
1682
+         * @var Storage\Storage $storage
1683
+         * @var string $internalPath
1684
+         */
1685
+        list($storage, $internalPath) = $this->resolvePath($path);
1686
+        if ($storage) {
1687
+            return $storage->getETag($internalPath);
1688
+        } else {
1689
+            return null;
1690
+        }
1691
+    }
1692
+
1693
+    /**
1694
+     * Get the path of a file by id, relative to the view
1695
+     *
1696
+     * Note that the resulting path is not guarantied to be unique for the id, multiple paths can point to the same file
1697
+     *
1698
+     * @param int $id
1699
+     * @throws NotFoundException
1700
+     * @return string
1701
+     */
1702
+    public function getPath($id) {
1703
+        $id = (int)$id;
1704
+        $manager = Filesystem::getMountManager();
1705
+        $mounts = $manager->findIn($this->fakeRoot);
1706
+        $mounts[] = $manager->find($this->fakeRoot);
1707
+        // reverse the array so we start with the storage this view is in
1708
+        // which is the most likely to contain the file we're looking for
1709
+        $mounts = array_reverse($mounts);
1710
+        foreach ($mounts as $mount) {
1711
+            /**
1712
+             * @var \OC\Files\Mount\MountPoint $mount
1713
+             */
1714
+            if ($mount->getStorage()) {
1715
+                $cache = $mount->getStorage()->getCache();
1716
+                $internalPath = $cache->getPathById($id);
1717
+                if (is_string($internalPath)) {
1718
+                    $fullPath = $mount->getMountPoint() . $internalPath;
1719
+                    if (!is_null($path = $this->getRelativePath($fullPath))) {
1720
+                        return $path;
1721
+                    }
1722
+                }
1723
+            }
1724
+        }
1725
+        throw new NotFoundException(sprintf('File with id "%s" has not been found.', $id));
1726
+    }
1727
+
1728
+    /**
1729
+     * @param string $path
1730
+     * @throws InvalidPathException
1731
+     */
1732
+    private function assertPathLength($path) {
1733
+        $maxLen = min(PHP_MAXPATHLEN, 4000);
1734
+        // Check for the string length - performed using isset() instead of strlen()
1735
+        // because isset() is about 5x-40x faster.
1736
+        if (isset($path[$maxLen])) {
1737
+            $pathLen = strlen($path);
1738
+            throw new \OCP\Files\InvalidPathException("Path length($pathLen) exceeds max path length($maxLen): $path");
1739
+        }
1740
+    }
1741
+
1742
+    /**
1743
+     * check if it is allowed to move a mount point to a given target.
1744
+     * It is not allowed to move a mount point into a different mount point or
1745
+     * into an already shared folder
1746
+     *
1747
+     * @param string $target path
1748
+     * @return boolean
1749
+     */
1750
+    private function isTargetAllowed($target) {
1751
+
1752
+        list($targetStorage, $targetInternalPath) = \OC\Files\Filesystem::resolvePath($target);
1753
+        if (!$targetStorage->instanceOfStorage('\OCP\Files\IHomeStorage')) {
1754
+            \OCP\Util::writeLog('files',
1755
+                'It is not allowed to move one mount point into another one',
1756
+                ILogger::DEBUG);
1757
+            return false;
1758
+        }
1759
+
1760
+        // note: cannot use the view because the target is already locked
1761
+        $fileId = (int)$targetStorage->getCache()->getId($targetInternalPath);
1762
+        if ($fileId === -1) {
1763
+            // target might not exist, need to check parent instead
1764
+            $fileId = (int)$targetStorage->getCache()->getId(dirname($targetInternalPath));
1765
+        }
1766
+
1767
+        // check if any of the parents were shared by the current owner (include collections)
1768
+        $shares = \OCP\Share::getItemShared(
1769
+            'folder',
1770
+            $fileId,
1771
+            \OCP\Share::FORMAT_NONE,
1772
+            null,
1773
+            true
1774
+        );
1775
+
1776
+        if (count($shares) > 0) {
1777
+            \OCP\Util::writeLog('files',
1778
+                'It is not allowed to move one mount point into a shared folder',
1779
+                ILogger::DEBUG);
1780
+            return false;
1781
+        }
1782
+
1783
+        return true;
1784
+    }
1785
+
1786
+    /**
1787
+     * Get a fileinfo object for files that are ignored in the cache (part files)
1788
+     *
1789
+     * @param string $path
1790
+     * @return \OCP\Files\FileInfo
1791
+     */
1792
+    private function getPartFileInfo($path) {
1793
+        $mount = $this->getMount($path);
1794
+        $storage = $mount->getStorage();
1795
+        $internalPath = $mount->getInternalPath($this->getAbsolutePath($path));
1796
+        $owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
1797
+        return new FileInfo(
1798
+            $this->getAbsolutePath($path),
1799
+            $storage,
1800
+            $internalPath,
1801
+            [
1802
+                'fileid' => null,
1803
+                'mimetype' => $storage->getMimeType($internalPath),
1804
+                'name' => basename($path),
1805
+                'etag' => null,
1806
+                'size' => $storage->filesize($internalPath),
1807
+                'mtime' => $storage->filemtime($internalPath),
1808
+                'encrypted' => false,
1809
+                'permissions' => \OCP\Constants::PERMISSION_ALL
1810
+            ],
1811
+            $mount,
1812
+            $owner
1813
+        );
1814
+    }
1815
+
1816
+    /**
1817
+     * @param string $path
1818
+     * @param string $fileName
1819
+     * @throws InvalidPathException
1820
+     */
1821
+    public function verifyPath($path, $fileName) {
1822
+        try {
1823
+            /** @type \OCP\Files\Storage $storage */
1824
+            list($storage, $internalPath) = $this->resolvePath($path);
1825
+            $storage->verifyPath($internalPath, $fileName);
1826
+        } catch (ReservedWordException $ex) {
1827
+            $l = \OC::$server->getL10N('lib');
1828
+            throw new InvalidPathException($l->t('File name is a reserved word'));
1829
+        } catch (InvalidCharacterInPathException $ex) {
1830
+            $l = \OC::$server->getL10N('lib');
1831
+            throw new InvalidPathException($l->t('File name contains at least one invalid character'));
1832
+        } catch (FileNameTooLongException $ex) {
1833
+            $l = \OC::$server->getL10N('lib');
1834
+            throw new InvalidPathException($l->t('File name is too long'));
1835
+        } catch (InvalidDirectoryException $ex) {
1836
+            $l = \OC::$server->getL10N('lib');
1837
+            throw new InvalidPathException($l->t('Dot files are not allowed'));
1838
+        } catch (EmptyFileNameException $ex) {
1839
+            $l = \OC::$server->getL10N('lib');
1840
+            throw new InvalidPathException($l->t('Empty filename is not allowed'));
1841
+        }
1842
+    }
1843
+
1844
+    /**
1845
+     * get all parent folders of $path
1846
+     *
1847
+     * @param string $path
1848
+     * @return string[]
1849
+     */
1850
+    private function getParents($path) {
1851
+        $path = trim($path, '/');
1852
+        if (!$path) {
1853
+            return [];
1854
+        }
1855
+
1856
+        $parts = explode('/', $path);
1857
+
1858
+        // remove the single file
1859
+        array_pop($parts);
1860
+        $result = array('/');
1861
+        $resultPath = '';
1862
+        foreach ($parts as $part) {
1863
+            if ($part) {
1864
+                $resultPath .= '/' . $part;
1865
+                $result[] = $resultPath;
1866
+            }
1867
+        }
1868
+        return $result;
1869
+    }
1870
+
1871
+    /**
1872
+     * Returns the mount point for which to lock
1873
+     *
1874
+     * @param string $absolutePath absolute path
1875
+     * @param bool $useParentMount true to return parent mount instead of whatever
1876
+     * is mounted directly on the given path, false otherwise
1877
+     * @return \OC\Files\Mount\MountPoint mount point for which to apply locks
1878
+     */
1879
+    private function getMountForLock($absolutePath, $useParentMount = false) {
1880
+        $results = [];
1881
+        $mount = Filesystem::getMountManager()->find($absolutePath);
1882
+        if (!$mount) {
1883
+            return $results;
1884
+        }
1885
+
1886
+        if ($useParentMount) {
1887
+            // find out if something is mounted directly on the path
1888
+            $internalPath = $mount->getInternalPath($absolutePath);
1889
+            if ($internalPath === '') {
1890
+                // resolve the parent mount instead
1891
+                $mount = Filesystem::getMountManager()->find(dirname($absolutePath));
1892
+            }
1893
+        }
1894
+
1895
+        return $mount;
1896
+    }
1897
+
1898
+    /**
1899
+     * Lock the given path
1900
+     *
1901
+     * @param string $path the path of the file to lock, relative to the view
1902
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
1903
+     * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
1904
+     *
1905
+     * @return bool False if the path is excluded from locking, true otherwise
1906
+     * @throws \OCP\Lock\LockedException if the path is already locked
1907
+     */
1908
+    private function lockPath($path, $type, $lockMountPoint = false) {
1909
+        $absolutePath = $this->getAbsolutePath($path);
1910
+        $absolutePath = Filesystem::normalizePath($absolutePath);
1911
+        if (!$this->shouldLockFile($absolutePath)) {
1912
+            return false;
1913
+        }
1914
+
1915
+        $mount = $this->getMountForLock($absolutePath, $lockMountPoint);
1916
+        if ($mount) {
1917
+            try {
1918
+                $storage = $mount->getStorage();
1919
+                if ($storage->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
1920
+                    $storage->acquireLock(
1921
+                        $mount->getInternalPath($absolutePath),
1922
+                        $type,
1923
+                        $this->lockingProvider
1924
+                    );
1925
+                }
1926
+            } catch (\OCP\Lock\LockedException $e) {
1927
+                // rethrow with the a human-readable path
1928
+                throw new \OCP\Lock\LockedException(
1929
+                    $this->getPathRelativeToFiles($absolutePath),
1930
+                    $e
1931
+                );
1932
+            }
1933
+        }
1934
+
1935
+        return true;
1936
+    }
1937
+
1938
+    /**
1939
+     * Change the lock type
1940
+     *
1941
+     * @param string $path the path of the file to lock, relative to the view
1942
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
1943
+     * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
1944
+     *
1945
+     * @return bool False if the path is excluded from locking, true otherwise
1946
+     * @throws \OCP\Lock\LockedException if the path is already locked
1947
+     */
1948
+    public function changeLock($path, $type, $lockMountPoint = false) {
1949
+        $path = Filesystem::normalizePath($path);
1950
+        $absolutePath = $this->getAbsolutePath($path);
1951
+        $absolutePath = Filesystem::normalizePath($absolutePath);
1952
+        if (!$this->shouldLockFile($absolutePath)) {
1953
+            return false;
1954
+        }
1955
+
1956
+        $mount = $this->getMountForLock($absolutePath, $lockMountPoint);
1957
+        if ($mount) {
1958
+            try {
1959
+                $storage = $mount->getStorage();
1960
+                if ($storage->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
1961
+                    $storage->changeLock(
1962
+                        $mount->getInternalPath($absolutePath),
1963
+                        $type,
1964
+                        $this->lockingProvider
1965
+                    );
1966
+                }
1967
+            } catch (\OCP\Lock\LockedException $e) {
1968
+                try {
1969
+                    // rethrow with the a human-readable path
1970
+                    throw new \OCP\Lock\LockedException(
1971
+                        $this->getPathRelativeToFiles($absolutePath),
1972
+                        $e
1973
+                    );
1974
+                } catch (\InvalidArgumentException $e) {
1975
+                    throw new \OCP\Lock\LockedException(
1976
+                        $absolutePath,
1977
+                        $e
1978
+                    );
1979
+                }
1980
+            }
1981
+        }
1982
+
1983
+        return true;
1984
+    }
1985
+
1986
+    /**
1987
+     * Unlock the given path
1988
+     *
1989
+     * @param string $path the path of the file to unlock, relative to the view
1990
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
1991
+     * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
1992
+     *
1993
+     * @return bool False if the path is excluded from locking, true otherwise
1994
+     */
1995
+    private function unlockPath($path, $type, $lockMountPoint = false) {
1996
+        $absolutePath = $this->getAbsolutePath($path);
1997
+        $absolutePath = Filesystem::normalizePath($absolutePath);
1998
+        if (!$this->shouldLockFile($absolutePath)) {
1999
+            return false;
2000
+        }
2001
+
2002
+        $mount = $this->getMountForLock($absolutePath, $lockMountPoint);
2003
+        if ($mount) {
2004
+            $storage = $mount->getStorage();
2005
+            if ($storage && $storage->instanceOfStorage('\OCP\Files\Storage\ILockingStorage')) {
2006
+                $storage->releaseLock(
2007
+                    $mount->getInternalPath($absolutePath),
2008
+                    $type,
2009
+                    $this->lockingProvider
2010
+                );
2011
+            }
2012
+        }
2013
+
2014
+        return true;
2015
+    }
2016
+
2017
+    /**
2018
+     * Lock a path and all its parents up to the root of the view
2019
+     *
2020
+     * @param string $path the path of the file to lock relative to the view
2021
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
2022
+     * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
2023
+     *
2024
+     * @return bool False if the path is excluded from locking, true otherwise
2025
+     */
2026
+    public function lockFile($path, $type, $lockMountPoint = false) {
2027
+        $absolutePath = $this->getAbsolutePath($path);
2028
+        $absolutePath = Filesystem::normalizePath($absolutePath);
2029
+        if (!$this->shouldLockFile($absolutePath)) {
2030
+            return false;
2031
+        }
2032
+
2033
+        $this->lockPath($path, $type, $lockMountPoint);
2034
+
2035
+        $parents = $this->getParents($path);
2036
+        foreach ($parents as $parent) {
2037
+            $this->lockPath($parent, ILockingProvider::LOCK_SHARED);
2038
+        }
2039
+
2040
+        return true;
2041
+    }
2042
+
2043
+    /**
2044
+     * Unlock a path and all its parents up to the root of the view
2045
+     *
2046
+     * @param string $path the path of the file to lock relative to the view
2047
+     * @param int $type \OCP\Lock\ILockingProvider::LOCK_SHARED or \OCP\Lock\ILockingProvider::LOCK_EXCLUSIVE
2048
+     * @param bool $lockMountPoint true to lock the mount point, false to lock the attached mount/storage
2049
+     *
2050
+     * @return bool False if the path is excluded from locking, true otherwise
2051
+     */
2052
+    public function unlockFile($path, $type, $lockMountPoint = false) {
2053
+        $absolutePath = $this->getAbsolutePath($path);
2054
+        $absolutePath = Filesystem::normalizePath($absolutePath);
2055
+        if (!$this->shouldLockFile($absolutePath)) {
2056
+            return false;
2057
+        }
2058
+
2059
+        $this->unlockPath($path, $type, $lockMountPoint);
2060
+
2061
+        $parents = $this->getParents($path);
2062
+        foreach ($parents as $parent) {
2063
+            $this->unlockPath($parent, ILockingProvider::LOCK_SHARED);
2064
+        }
2065
+
2066
+        return true;
2067
+    }
2068
+
2069
+    /**
2070
+     * Only lock files in data/user/files/
2071
+     *
2072
+     * @param string $path Absolute path to the file/folder we try to (un)lock
2073
+     * @return bool
2074
+     */
2075
+    protected function shouldLockFile($path) {
2076
+        $path = Filesystem::normalizePath($path);
2077
+
2078
+        $pathSegments = explode('/', $path);
2079
+        if (isset($pathSegments[2])) {
2080
+            // E.g.: /username/files/path-to-file
2081
+            return ($pathSegments[2] === 'files') && (count($pathSegments) > 3);
2082
+        }
2083
+
2084
+        return strpos($path, '/appdata_') !== 0;
2085
+    }
2086
+
2087
+    /**
2088
+     * Shortens the given absolute path to be relative to
2089
+     * "$user/files".
2090
+     *
2091
+     * @param string $absolutePath absolute path which is under "files"
2092
+     *
2093
+     * @return string path relative to "files" with trimmed slashes or null
2094
+     * if the path was NOT relative to files
2095
+     *
2096
+     * @throws \InvalidArgumentException if the given path was not under "files"
2097
+     * @since 8.1.0
2098
+     */
2099
+    public function getPathRelativeToFiles($absolutePath) {
2100
+        $path = Filesystem::normalizePath($absolutePath);
2101
+        $parts = explode('/', trim($path, '/'), 3);
2102
+        // "$user", "files", "path/to/dir"
2103
+        if (!isset($parts[1]) || $parts[1] !== 'files') {
2104
+            $this->logger->error(
2105
+                '$absolutePath must be relative to "files", value is "%s"',
2106
+                [
2107
+                    $absolutePath
2108
+                ]
2109
+            );
2110
+            throw new \InvalidArgumentException('$absolutePath must be relative to "files"');
2111
+        }
2112
+        if (isset($parts[2])) {
2113
+            return $parts[2];
2114
+        }
2115
+        return '';
2116
+    }
2117
+
2118
+    /**
2119
+     * @param string $filename
2120
+     * @return array
2121
+     * @throws \OC\User\NoUserException
2122
+     * @throws NotFoundException
2123
+     */
2124
+    public function getUidAndFilename($filename) {
2125
+        $info = $this->getFileInfo($filename);
2126
+        if (!$info instanceof \OCP\Files\FileInfo) {
2127
+            throw new NotFoundException($this->getAbsolutePath($filename) . ' not found');
2128
+        }
2129
+        $uid = $info->getOwner()->getUID();
2130
+        if ($uid != \OCP\User::getUser()) {
2131
+            Filesystem::initMountPoints($uid);
2132
+            $ownerView = new View('/' . $uid . '/files');
2133
+            try {
2134
+                $filename = $ownerView->getPath($info['fileid']);
2135
+            } catch (NotFoundException $e) {
2136
+                throw new NotFoundException('File with id ' . $info['fileid'] . ' not found for user ' . $uid);
2137
+            }
2138
+        }
2139
+        return [$uid, $filename];
2140
+    }
2141
+
2142
+    /**
2143
+     * Creates parent non-existing folders
2144
+     *
2145
+     * @param string $filePath
2146
+     * @return bool
2147
+     */
2148
+    private function createParentDirectories($filePath) {
2149
+        $directoryParts = explode('/', $filePath);
2150
+        $directoryParts = array_filter($directoryParts);
2151
+        foreach ($directoryParts as $key => $part) {
2152
+            $currentPathElements = array_slice($directoryParts, 0, $key);
2153
+            $currentPath = '/' . implode('/', $currentPathElements);
2154
+            if ($this->is_file($currentPath)) {
2155
+                return false;
2156
+            }
2157
+            if (!$this->file_exists($currentPath)) {
2158
+                $this->mkdir($currentPath);
2159
+            }
2160
+        }
2161
+
2162
+        return true;
2163
+    }
2164 2164
 }
Please login to merge, or discard this patch.
Spacing   +40 added lines, -40 removed lines patch added patch discarded remove patch
@@ -127,9 +127,9 @@  discard block
 block discarded – undo
127 127
 			$path = '/';
128 128
 		}
129 129
 		if ($path[0] !== '/') {
130
-			$path = '/' . $path;
130
+			$path = '/'.$path;
131 131
 		}
132
-		return $this->fakeRoot . $path;
132
+		return $this->fakeRoot.$path;
133 133
 	}
134 134
 
135 135
 	/**
@@ -141,7 +141,7 @@  discard block
 block discarded – undo
141 141
 	public function chroot($fakeRoot) {
142 142
 		if (!$fakeRoot == '') {
143 143
 			if ($fakeRoot[0] !== '/') {
144
-				$fakeRoot = '/' . $fakeRoot;
144
+				$fakeRoot = '/'.$fakeRoot;
145 145
 			}
146 146
 		}
147 147
 		$this->fakeRoot = $fakeRoot;
@@ -173,7 +173,7 @@  discard block
 block discarded – undo
173 173
 		}
174 174
 
175 175
 		// missing slashes can cause wrong matches!
176
-		$root = rtrim($this->fakeRoot, '/') . '/';
176
+		$root = rtrim($this->fakeRoot, '/').'/';
177 177
 
178 178
 		if (strpos($path, $root) !== 0) {
179 179
 			return null;
@@ -279,7 +279,7 @@  discard block
 block discarded – undo
279 279
 		if ($mount instanceof MoveableMount) {
280 280
 			// cut of /user/files to get the relative path to data/user/files
281 281
 			$pathParts = explode('/', $path, 4);
282
-			$relPath = '/' . $pathParts[3];
282
+			$relPath = '/'.$pathParts[3];
283 283
 			$this->lockFile($relPath, ILockingProvider::LOCK_SHARED, true);
284 284
 			\OC_Hook::emit(
285 285
 				Filesystem::CLASSNAME, "umount",
@@ -699,7 +699,7 @@  discard block
 block discarded – undo
699 699
 		}
700 700
 		$postFix = (substr($path, -1) === '/') ? '/' : '';
701 701
 		$absolutePath = Filesystem::normalizePath($this->getAbsolutePath($path));
702
-		$mount = Filesystem::getMountManager()->find($absolutePath . $postFix);
702
+		$mount = Filesystem::getMountManager()->find($absolutePath.$postFix);
703 703
 		if ($mount and $mount->getInternalPath($absolutePath) === '') {
704 704
 			return $this->removeMount($mount, $absolutePath);
705 705
 		}
@@ -819,7 +819,7 @@  discard block
 block discarded – undo
819 819
 								$this->renameUpdate($storage1, $storage2, $internalPath1, $internalPath2);
820 820
 							}
821 821
 						}
822
-					} catch(\Exception $e) {
822
+					} catch (\Exception $e) {
823 823
 						throw $e;
824 824
 					} finally {
825 825
 						$this->changeLock($path1, ILockingProvider::LOCK_SHARED, true);
@@ -843,7 +843,7 @@  discard block
 block discarded – undo
843 843
 						}
844 844
 					}
845 845
 				}
846
-			} catch(\Exception $e) {
846
+			} catch (\Exception $e) {
847 847
 				throw $e;
848 848
 			} finally {
849 849
 				$this->unlockFile($path1, ILockingProvider::LOCK_SHARED, true);
@@ -976,7 +976,7 @@  discard block
 block discarded – undo
976 976
 				$hooks[] = 'write';
977 977
 				break;
978 978
 			default:
979
-				\OCP\Util::writeLog('core', 'invalid mode (' . $mode . ') for ' . $path, ILogger::ERROR);
979
+				\OCP\Util::writeLog('core', 'invalid mode ('.$mode.') for '.$path, ILogger::ERROR);
980 980
 		}
981 981
 
982 982
 		if ($mode !== 'r' && $mode !== 'w') {
@@ -1080,7 +1080,7 @@  discard block
 block discarded – undo
1080 1080
 					array(Filesystem::signal_param_path => $this->getHookPath($path))
1081 1081
 				);
1082 1082
 			}
1083
-			list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
1083
+			list($storage, $internalPath) = Filesystem::resolvePath($absolutePath.$postFix);
1084 1084
 			if ($storage) {
1085 1085
 				return $storage->hash($type, $internalPath, $raw);
1086 1086
 			}
@@ -1134,7 +1134,7 @@  discard block
 block discarded – undo
1134 1134
 
1135 1135
 			$run = $this->runHooks($hooks, $path);
1136 1136
 			/** @var \OC\Files\Storage\Storage $storage */
1137
-			list($storage, $internalPath) = Filesystem::resolvePath($absolutePath . $postFix);
1137
+			list($storage, $internalPath) = Filesystem::resolvePath($absolutePath.$postFix);
1138 1138
 			if ($run and $storage) {
1139 1139
 				if (in_array('write', $hooks) || in_array('delete', $hooks)) {
1140 1140
 					$this->changeLock($path, ILockingProvider::LOCK_EXCLUSIVE);
@@ -1173,7 +1173,7 @@  discard block
 block discarded – undo
1173 1173
 					$unlockLater = true;
1174 1174
 					// make sure our unlocking callback will still be called if connection is aborted
1175 1175
 					ignore_user_abort(true);
1176
-					$result = CallbackWrapper::wrap($result, null, null, function () use ($hooks, $path) {
1176
+					$result = CallbackWrapper::wrap($result, null, null, function() use ($hooks, $path) {
1177 1177
 						if (in_array('write', $hooks)) {
1178 1178
 							$this->unlockFile($path, ILockingProvider::LOCK_EXCLUSIVE);
1179 1179
 						} else if (in_array('read', $hooks)) {
@@ -1234,7 +1234,7 @@  discard block
 block discarded – undo
1234 1234
 			return true;
1235 1235
 		}
1236 1236
 
1237
-		return (strlen($fullPath) > strlen($defaultRoot)) && (substr($fullPath, 0, strlen($defaultRoot) + 1) === $defaultRoot . '/');
1237
+		return (strlen($fullPath) > strlen($defaultRoot)) && (substr($fullPath, 0, strlen($defaultRoot) + 1) === $defaultRoot.'/');
1238 1238
 	}
1239 1239
 
1240 1240
 	/**
@@ -1253,7 +1253,7 @@  discard block
 block discarded – undo
1253 1253
 				if ($hook != 'read') {
1254 1254
 					\OC_Hook::emit(
1255 1255
 						Filesystem::CLASSNAME,
1256
-						$prefix . $hook,
1256
+						$prefix.$hook,
1257 1257
 						array(
1258 1258
 							Filesystem::signal_param_run => &$run,
1259 1259
 							Filesystem::signal_param_path => $path
@@ -1262,7 +1262,7 @@  discard block
 block discarded – undo
1262 1262
 				} elseif (!$post) {
1263 1263
 					\OC_Hook::emit(
1264 1264
 						Filesystem::CLASSNAME,
1265
-						$prefix . $hook,
1265
+						$prefix.$hook,
1266 1266
 						array(
1267 1267
 							Filesystem::signal_param_path => $path
1268 1268
 						)
@@ -1357,7 +1357,7 @@  discard block
 block discarded – undo
1357 1357
 			return $this->getPartFileInfo($path);
1358 1358
 		}
1359 1359
 		$relativePath = $path;
1360
-		$path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
1360
+		$path = Filesystem::normalizePath($this->fakeRoot.'/'.$path);
1361 1361
 
1362 1362
 		$mount = Filesystem::getMountManager()->find($path);
1363 1363
 		if (!$mount) {
@@ -1384,7 +1384,7 @@  discard block
 block discarded – undo
1384 1384
 					//add the sizes of other mount points to the folder
1385 1385
 					$extOnly = ($includeMountPoints === 'ext');
1386 1386
 					$mounts = Filesystem::getMountManager()->findIn($path);
1387
-					$info->setSubMounts(array_filter($mounts, function (IMountPoint $mount) use ($extOnly) {
1387
+					$info->setSubMounts(array_filter($mounts, function(IMountPoint $mount) use ($extOnly) {
1388 1388
 						$subStorage = $mount->getStorage();
1389 1389
 						return !($extOnly && $subStorage instanceof \OCA\Files_Sharing\SharedStorage);
1390 1390
 					}));
@@ -1434,12 +1434,12 @@  discard block
 block discarded – undo
1434 1434
 			/**
1435 1435
 			 * @var \OC\Files\FileInfo[] $files
1436 1436
 			 */
1437
-			$files = array_map(function (ICacheEntry $content) use ($path, $storage, $mount, $sharingDisabled) {
1437
+			$files = array_map(function(ICacheEntry $content) use ($path, $storage, $mount, $sharingDisabled) {
1438 1438
 				if ($sharingDisabled) {
1439 1439
 					$content['permissions'] = $content['permissions'] & ~\OCP\Constants::PERMISSION_SHARE;
1440 1440
 				}
1441 1441
 				$owner = $this->getUserObjectForOwner($storage->getOwner($content['path']));
1442
-				return new FileInfo($path . '/' . $content['name'], $storage, $content['path'], $content, $mount, $owner);
1442
+				return new FileInfo($path.'/'.$content['name'], $storage, $content['path'], $content, $mount, $owner);
1443 1443
 			}, $contents);
1444 1444
 
1445 1445
 			//add a folder for any mountpoint in this directory and add the sizes of other mountpoints to the folders
@@ -1463,7 +1463,7 @@  discard block
 block discarded – undo
1463 1463
 						} catch (\Exception $e) {
1464 1464
 							// sometimes when the storage is not available it can be any exception
1465 1465
 							\OC::$server->getLogger()->logException($e, [
1466
-								'message' => 'Exception while scanning storage "' . $subStorage->getId() . '"',
1466
+								'message' => 'Exception while scanning storage "'.$subStorage->getId().'"',
1467 1467
 								'level' => ILogger::ERROR,
1468 1468
 								'app' => 'lib',
1469 1469
 							]);
@@ -1501,7 +1501,7 @@  discard block
 block discarded – undo
1501 1501
 									break;
1502 1502
 								}
1503 1503
 							}
1504
-							$rootEntry['path'] = substr(Filesystem::normalizePath($path . '/' . $rootEntry['name']), strlen($user) + 2); // full path without /$user/
1504
+							$rootEntry['path'] = substr(Filesystem::normalizePath($path.'/'.$rootEntry['name']), strlen($user) + 2); // full path without /$user/
1505 1505
 
1506 1506
 							// if sharing was disabled for the user we remove the share permissions
1507 1507
 							if (\OCP\Util::isSharingDisabledForUser()) {
@@ -1509,14 +1509,14 @@  discard block
 block discarded – undo
1509 1509
 							}
1510 1510
 
1511 1511
 							$owner = $this->getUserObjectForOwner($subStorage->getOwner(''));
1512
-							$files[] = new FileInfo($path . '/' . $rootEntry['name'], $subStorage, '', $rootEntry, $mount, $owner);
1512
+							$files[] = new FileInfo($path.'/'.$rootEntry['name'], $subStorage, '', $rootEntry, $mount, $owner);
1513 1513
 						}
1514 1514
 					}
1515 1515
 				}
1516 1516
 			}
1517 1517
 
1518 1518
 			if ($mimetype_filter) {
1519
-				$files = array_filter($files, function (FileInfo $file) use ($mimetype_filter) {
1519
+				$files = array_filter($files, function(FileInfo $file) use ($mimetype_filter) {
1520 1520
 					if (strpos($mimetype_filter, '/')) {
1521 1521
 						return $file->getMimetype() === $mimetype_filter;
1522 1522
 					} else {
@@ -1545,7 +1545,7 @@  discard block
 block discarded – undo
1545 1545
 		if ($data instanceof FileInfo) {
1546 1546
 			$data = $data->getData();
1547 1547
 		}
1548
-		$path = Filesystem::normalizePath($this->fakeRoot . '/' . $path);
1548
+		$path = Filesystem::normalizePath($this->fakeRoot.'/'.$path);
1549 1549
 		/**
1550 1550
 		 * @var \OC\Files\Storage\Storage $storage
1551 1551
 		 * @var string $internalPath
@@ -1572,7 +1572,7 @@  discard block
 block discarded – undo
1572 1572
 	 * @return FileInfo[]
1573 1573
 	 */
1574 1574
 	public function search($query) {
1575
-		return $this->searchCommon('search', array('%' . $query . '%'));
1575
+		return $this->searchCommon('search', array('%'.$query.'%'));
1576 1576
 	}
1577 1577
 
1578 1578
 	/**
@@ -1623,10 +1623,10 @@  discard block
 block discarded – undo
1623 1623
 
1624 1624
 			$results = call_user_func_array(array($cache, $method), $args);
1625 1625
 			foreach ($results as $result) {
1626
-				if (substr($mountPoint . $result['path'], 0, $rootLength + 1) === $this->fakeRoot . '/') {
1626
+				if (substr($mountPoint.$result['path'], 0, $rootLength + 1) === $this->fakeRoot.'/') {
1627 1627
 					$internalPath = $result['path'];
1628
-					$path = $mountPoint . $result['path'];
1629
-					$result['path'] = substr($mountPoint . $result['path'], $rootLength);
1628
+					$path = $mountPoint.$result['path'];
1629
+					$result['path'] = substr($mountPoint.$result['path'], $rootLength);
1630 1630
 					$owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
1631 1631
 					$files[] = new FileInfo($path, $storage, $internalPath, $result, $mount, $owner);
1632 1632
 				}
@@ -1644,8 +1644,8 @@  discard block
 block discarded – undo
1644 1644
 					if ($results) {
1645 1645
 						foreach ($results as $result) {
1646 1646
 							$internalPath = $result['path'];
1647
-							$result['path'] = rtrim($relativeMountPoint . $result['path'], '/');
1648
-							$path = rtrim($mountPoint . $internalPath, '/');
1647
+							$result['path'] = rtrim($relativeMountPoint.$result['path'], '/');
1648
+							$path = rtrim($mountPoint.$internalPath, '/');
1649 1649
 							$owner = \OC::$server->getUserManager()->get($storage->getOwner($internalPath));
1650 1650
 							$files[] = new FileInfo($path, $storage, $internalPath, $result, $mount, $owner);
1651 1651
 						}
@@ -1666,7 +1666,7 @@  discard block
 block discarded – undo
1666 1666
 	public function getOwner($path) {
1667 1667
 		$info = $this->getFileInfo($path);
1668 1668
 		if (!$info) {
1669
-			throw new NotFoundException($path . ' not found while trying to get owner');
1669
+			throw new NotFoundException($path.' not found while trying to get owner');
1670 1670
 		}
1671 1671
 		return $info->getOwner()->getUID();
1672 1672
 	}
@@ -1700,7 +1700,7 @@  discard block
 block discarded – undo
1700 1700
 	 * @return string
1701 1701
 	 */
1702 1702
 	public function getPath($id) {
1703
-		$id = (int)$id;
1703
+		$id = (int) $id;
1704 1704
 		$manager = Filesystem::getMountManager();
1705 1705
 		$mounts = $manager->findIn($this->fakeRoot);
1706 1706
 		$mounts[] = $manager->find($this->fakeRoot);
@@ -1715,7 +1715,7 @@  discard block
 block discarded – undo
1715 1715
 				$cache = $mount->getStorage()->getCache();
1716 1716
 				$internalPath = $cache->getPathById($id);
1717 1717
 				if (is_string($internalPath)) {
1718
-					$fullPath = $mount->getMountPoint() . $internalPath;
1718
+					$fullPath = $mount->getMountPoint().$internalPath;
1719 1719
 					if (!is_null($path = $this->getRelativePath($fullPath))) {
1720 1720
 						return $path;
1721 1721
 					}
@@ -1758,10 +1758,10 @@  discard block
 block discarded – undo
1758 1758
 		}
1759 1759
 
1760 1760
 		// note: cannot use the view because the target is already locked
1761
-		$fileId = (int)$targetStorage->getCache()->getId($targetInternalPath);
1761
+		$fileId = (int) $targetStorage->getCache()->getId($targetInternalPath);
1762 1762
 		if ($fileId === -1) {
1763 1763
 			// target might not exist, need to check parent instead
1764
-			$fileId = (int)$targetStorage->getCache()->getId(dirname($targetInternalPath));
1764
+			$fileId = (int) $targetStorage->getCache()->getId(dirname($targetInternalPath));
1765 1765
 		}
1766 1766
 
1767 1767
 		// check if any of the parents were shared by the current owner (include collections)
@@ -1861,7 +1861,7 @@  discard block
 block discarded – undo
1861 1861
 		$resultPath = '';
1862 1862
 		foreach ($parts as $part) {
1863 1863
 			if ($part) {
1864
-				$resultPath .= '/' . $part;
1864
+				$resultPath .= '/'.$part;
1865 1865
 				$result[] = $resultPath;
1866 1866
 			}
1867 1867
 		}
@@ -2124,16 +2124,16 @@  discard block
 block discarded – undo
2124 2124
 	public function getUidAndFilename($filename) {
2125 2125
 		$info = $this->getFileInfo($filename);
2126 2126
 		if (!$info instanceof \OCP\Files\FileInfo) {
2127
-			throw new NotFoundException($this->getAbsolutePath($filename) . ' not found');
2127
+			throw new NotFoundException($this->getAbsolutePath($filename).' not found');
2128 2128
 		}
2129 2129
 		$uid = $info->getOwner()->getUID();
2130 2130
 		if ($uid != \OCP\User::getUser()) {
2131 2131
 			Filesystem::initMountPoints($uid);
2132
-			$ownerView = new View('/' . $uid . '/files');
2132
+			$ownerView = new View('/'.$uid.'/files');
2133 2133
 			try {
2134 2134
 				$filename = $ownerView->getPath($info['fileid']);
2135 2135
 			} catch (NotFoundException $e) {
2136
-				throw new NotFoundException('File with id ' . $info['fileid'] . ' not found for user ' . $uid);
2136
+				throw new NotFoundException('File with id '.$info['fileid'].' not found for user '.$uid);
2137 2137
 			}
2138 2138
 		}
2139 2139
 		return [$uid, $filename];
@@ -2150,7 +2150,7 @@  discard block
 block discarded – undo
2150 2150
 		$directoryParts = array_filter($directoryParts);
2151 2151
 		foreach ($directoryParts as $key => $part) {
2152 2152
 			$currentPathElements = array_slice($directoryParts, 0, $key);
2153
-			$currentPath = '/' . implode('/', $currentPathElements);
2153
+			$currentPath = '/'.implode('/', $currentPathElements);
2154 2154
 			if ($this->is_file($currentPath)) {
2155 2155
 				return false;
2156 2156
 			}
Please login to merge, or discard this patch.
lib/private/Files/Mount/MountPoint.php 2 patches
Indentation   +219 added lines, -219 removed lines patch added patch discarded remove patch
@@ -36,247 +36,247 @@
 block discarded – undo
36 36
 use OCP\ILogger;
37 37
 
38 38
 class MountPoint implements IMountPoint {
39
-	/**
40
-	 * @var \OC\Files\Storage\Storage $storage
41
-	 */
42
-	protected $storage = null;
43
-	protected $class;
44
-	protected $storageId;
45
-	protected $rootId = null;
39
+    /**
40
+     * @var \OC\Files\Storage\Storage $storage
41
+     */
42
+    protected $storage = null;
43
+    protected $class;
44
+    protected $storageId;
45
+    protected $rootId = null;
46 46
 
47
-	/**
48
-	 * Configuration options for the storage backend
49
-	 *
50
-	 * @var array
51
-	 */
52
-	protected $arguments = array();
53
-	protected $mountPoint;
47
+    /**
48
+     * Configuration options for the storage backend
49
+     *
50
+     * @var array
51
+     */
52
+    protected $arguments = array();
53
+    protected $mountPoint;
54 54
 
55
-	/**
56
-	 * Mount specific options
57
-	 *
58
-	 * @var array
59
-	 */
60
-	protected $mountOptions = array();
55
+    /**
56
+     * Mount specific options
57
+     *
58
+     * @var array
59
+     */
60
+    protected $mountOptions = array();
61 61
 
62
-	/**
63
-	 * @var \OC\Files\Storage\StorageFactory $loader
64
-	 */
65
-	private $loader;
62
+    /**
63
+     * @var \OC\Files\Storage\StorageFactory $loader
64
+     */
65
+    private $loader;
66 66
 
67
-	/**
68
-	 * Specified whether the storage is invalid after failing to
69
-	 * instantiate it.
70
-	 *
71
-	 * @var bool
72
-	 */
73
-	private $invalidStorage = false;
67
+    /**
68
+     * Specified whether the storage is invalid after failing to
69
+     * instantiate it.
70
+     *
71
+     * @var bool
72
+     */
73
+    private $invalidStorage = false;
74 74
 
75
-	/** @var int|null */
76
-	protected $mountId;
75
+    /** @var int|null */
76
+    protected $mountId;
77 77
 
78
-	/**
79
-	 * @param string|\OC\Files\Storage\Storage $storage
80
-	 * @param string $mountpoint
81
-	 * @param array $arguments (optional) configuration for the storage backend
82
-	 * @param \OCP\Files\Storage\IStorageFactory $loader
83
-	 * @param array $mountOptions mount specific options
84
-	 * @param int|null $mountId
85
-	 * @throws \Exception
86
-	 */
87
-	public function __construct($storage, $mountpoint, $arguments = null, $loader = null, $mountOptions = null, $mountId = null) {
88
-		if (is_null($arguments)) {
89
-			$arguments = array();
90
-		}
91
-		if (is_null($loader)) {
92
-			$this->loader = new StorageFactory();
93
-		} else {
94
-			$this->loader = $loader;
95
-		}
78
+    /**
79
+     * @param string|\OC\Files\Storage\Storage $storage
80
+     * @param string $mountpoint
81
+     * @param array $arguments (optional) configuration for the storage backend
82
+     * @param \OCP\Files\Storage\IStorageFactory $loader
83
+     * @param array $mountOptions mount specific options
84
+     * @param int|null $mountId
85
+     * @throws \Exception
86
+     */
87
+    public function __construct($storage, $mountpoint, $arguments = null, $loader = null, $mountOptions = null, $mountId = null) {
88
+        if (is_null($arguments)) {
89
+            $arguments = array();
90
+        }
91
+        if (is_null($loader)) {
92
+            $this->loader = new StorageFactory();
93
+        } else {
94
+            $this->loader = $loader;
95
+        }
96 96
 
97
-		if (!is_null($mountOptions)) {
98
-			$this->mountOptions = $mountOptions;
99
-		}
97
+        if (!is_null($mountOptions)) {
98
+            $this->mountOptions = $mountOptions;
99
+        }
100 100
 
101
-		$mountpoint = $this->formatPath($mountpoint);
102
-		$this->mountPoint = $mountpoint;
103
-		if ($storage instanceof Storage) {
104
-			$this->class = get_class($storage);
105
-			$this->storage = $this->loader->wrap($this, $storage);
106
-		} else {
107
-			// Update old classes to new namespace
108
-			if (strpos($storage, 'OC_Filestorage_') !== false) {
109
-				$storage = '\OC\Files\Storage\\' . substr($storage, 15);
110
-			}
111
-			$this->class = $storage;
112
-			$this->arguments = $arguments;
113
-		}
114
-		$this->mountId = $mountId;
115
-	}
101
+        $mountpoint = $this->formatPath($mountpoint);
102
+        $this->mountPoint = $mountpoint;
103
+        if ($storage instanceof Storage) {
104
+            $this->class = get_class($storage);
105
+            $this->storage = $this->loader->wrap($this, $storage);
106
+        } else {
107
+            // Update old classes to new namespace
108
+            if (strpos($storage, 'OC_Filestorage_') !== false) {
109
+                $storage = '\OC\Files\Storage\\' . substr($storage, 15);
110
+            }
111
+            $this->class = $storage;
112
+            $this->arguments = $arguments;
113
+        }
114
+        $this->mountId = $mountId;
115
+    }
116 116
 
117
-	/**
118
-	 * get complete path to the mount point, relative to data/
119
-	 *
120
-	 * @return string
121
-	 */
122
-	public function getMountPoint() {
123
-		return $this->mountPoint;
124
-	}
117
+    /**
118
+     * get complete path to the mount point, relative to data/
119
+     *
120
+     * @return string
121
+     */
122
+    public function getMountPoint() {
123
+        return $this->mountPoint;
124
+    }
125 125
 
126
-	/**
127
-	 * Sets the mount point path, relative to data/
128
-	 *
129
-	 * @param string $mountPoint new mount point
130
-	 */
131
-	public function setMountPoint($mountPoint) {
132
-		$this->mountPoint = $this->formatPath($mountPoint);
133
-	}
126
+    /**
127
+     * Sets the mount point path, relative to data/
128
+     *
129
+     * @param string $mountPoint new mount point
130
+     */
131
+    public function setMountPoint($mountPoint) {
132
+        $this->mountPoint = $this->formatPath($mountPoint);
133
+    }
134 134
 
135
-	/**
136
-	 * create the storage that is mounted
137
-	 */
138
-	private function createStorage() {
139
-		if ($this->invalidStorage) {
140
-			return;
141
-		}
135
+    /**
136
+     * create the storage that is mounted
137
+     */
138
+    private function createStorage() {
139
+        if ($this->invalidStorage) {
140
+            return;
141
+        }
142 142
 
143
-		if (class_exists($this->class)) {
144
-			try {
145
-				$class = $this->class;
146
-				// prevent recursion by setting the storage before applying wrappers
147
-				$this->storage = new $class($this->arguments);
148
-				$this->storage = $this->loader->wrap($this, $this->storage);
149
-			} catch (\Exception $exception) {
150
-				$this->storage = null;
151
-				$this->invalidStorage = true;
152
-				if ($this->mountPoint === '/') {
153
-					// the root storage could not be initialized, show the user!
154
-					throw new \Exception('The root storage could not be initialized. Please contact your local administrator.', $exception->getCode(), $exception);
155
-				} else {
156
-					\OC::$server->getLogger()->logException($exception, ['level' => ILogger::ERROR]);
157
-				}
158
-				return;
159
-			}
160
-		} else {
161
-			\OCP\Util::writeLog('core', 'storage backend ' . $this->class . ' not found', ILogger::ERROR);
162
-			$this->invalidStorage = true;
163
-			return;
164
-		}
165
-	}
143
+        if (class_exists($this->class)) {
144
+            try {
145
+                $class = $this->class;
146
+                // prevent recursion by setting the storage before applying wrappers
147
+                $this->storage = new $class($this->arguments);
148
+                $this->storage = $this->loader->wrap($this, $this->storage);
149
+            } catch (\Exception $exception) {
150
+                $this->storage = null;
151
+                $this->invalidStorage = true;
152
+                if ($this->mountPoint === '/') {
153
+                    // the root storage could not be initialized, show the user!
154
+                    throw new \Exception('The root storage could not be initialized. Please contact your local administrator.', $exception->getCode(), $exception);
155
+                } else {
156
+                    \OC::$server->getLogger()->logException($exception, ['level' => ILogger::ERROR]);
157
+                }
158
+                return;
159
+            }
160
+        } else {
161
+            \OCP\Util::writeLog('core', 'storage backend ' . $this->class . ' not found', ILogger::ERROR);
162
+            $this->invalidStorage = true;
163
+            return;
164
+        }
165
+    }
166 166
 
167
-	/**
168
-	 * @return \OC\Files\Storage\Storage
169
-	 */
170
-	public function getStorage() {
171
-		if (is_null($this->storage)) {
172
-			$this->createStorage();
173
-		}
174
-		return $this->storage;
175
-	}
167
+    /**
168
+     * @return \OC\Files\Storage\Storage
169
+     */
170
+    public function getStorage() {
171
+        if (is_null($this->storage)) {
172
+            $this->createStorage();
173
+        }
174
+        return $this->storage;
175
+    }
176 176
 
177
-	/**
178
-	 * @return string
179
-	 */
180
-	public function getStorageId() {
181
-		if (!$this->storageId) {
182
-			if (is_null($this->storage)) {
183
-				$storage = $this->createStorage(); //FIXME: start using exceptions
184
-				if (is_null($storage)) {
185
-					return null;
186
-				}
177
+    /**
178
+     * @return string
179
+     */
180
+    public function getStorageId() {
181
+        if (!$this->storageId) {
182
+            if (is_null($this->storage)) {
183
+                $storage = $this->createStorage(); //FIXME: start using exceptions
184
+                if (is_null($storage)) {
185
+                    return null;
186
+                }
187 187
 
188
-				$this->storage = $storage;
189
-			}
190
-			$this->storageId = $this->storage->getId();
191
-			if (strlen($this->storageId) > 64) {
192
-				$this->storageId = md5($this->storageId);
193
-			}
194
-		}
195
-		return $this->storageId;
196
-	}
188
+                $this->storage = $storage;
189
+            }
190
+            $this->storageId = $this->storage->getId();
191
+            if (strlen($this->storageId) > 64) {
192
+                $this->storageId = md5($this->storageId);
193
+            }
194
+        }
195
+        return $this->storageId;
196
+    }
197 197
 
198
-	/**
199
-	 * @return int
200
-	 */
201
-	public function getNumericStorageId() {
202
-		return $this->getStorage()->getStorageCache()->getNumericId();
203
-	}
198
+    /**
199
+     * @return int
200
+     */
201
+    public function getNumericStorageId() {
202
+        return $this->getStorage()->getStorageCache()->getNumericId();
203
+    }
204 204
 
205
-	/**
206
-	 * @param string $path
207
-	 * @return string
208
-	 */
209
-	public function getInternalPath($path) {
210
-		$path = Filesystem::normalizePath($path, true, false, true);
211
-		if ($this->mountPoint === $path or $this->mountPoint . '/' === $path) {
212
-			$internalPath = '';
213
-		} else {
214
-			$internalPath = substr($path, strlen($this->mountPoint));
215
-		}
216
-		// substr returns false instead of an empty string, we always want a string
217
-		return (string)$internalPath;
218
-	}
205
+    /**
206
+     * @param string $path
207
+     * @return string
208
+     */
209
+    public function getInternalPath($path) {
210
+        $path = Filesystem::normalizePath($path, true, false, true);
211
+        if ($this->mountPoint === $path or $this->mountPoint . '/' === $path) {
212
+            $internalPath = '';
213
+        } else {
214
+            $internalPath = substr($path, strlen($this->mountPoint));
215
+        }
216
+        // substr returns false instead of an empty string, we always want a string
217
+        return (string)$internalPath;
218
+    }
219 219
 
220
-	/**
221
-	 * @param string $path
222
-	 * @return string
223
-	 */
224
-	private function formatPath($path) {
225
-		$path = Filesystem::normalizePath($path);
226
-		if (strlen($path) > 1) {
227
-			$path .= '/';
228
-		}
229
-		return $path;
230
-	}
220
+    /**
221
+     * @param string $path
222
+     * @return string
223
+     */
224
+    private function formatPath($path) {
225
+        $path = Filesystem::normalizePath($path);
226
+        if (strlen($path) > 1) {
227
+            $path .= '/';
228
+        }
229
+        return $path;
230
+    }
231 231
 
232
-	/**
233
-	 * @param callable $wrapper
234
-	 */
235
-	public function wrapStorage($wrapper) {
236
-		$storage = $this->getStorage();
237
-		// storage can be null if it couldn't be initialized
238
-		if ($storage != null) {
239
-			$this->storage = $wrapper($this->mountPoint, $storage, $this);
240
-		}
241
-	}
232
+    /**
233
+     * @param callable $wrapper
234
+     */
235
+    public function wrapStorage($wrapper) {
236
+        $storage = $this->getStorage();
237
+        // storage can be null if it couldn't be initialized
238
+        if ($storage != null) {
239
+            $this->storage = $wrapper($this->mountPoint, $storage, $this);
240
+        }
241
+    }
242 242
 
243
-	/**
244
-	 * Get a mount option
245
-	 *
246
-	 * @param string $name Name of the mount option to get
247
-	 * @param mixed $default Default value for the mount option
248
-	 * @return mixed
249
-	 */
250
-	public function getOption($name, $default) {
251
-		return isset($this->mountOptions[$name]) ? $this->mountOptions[$name] : $default;
252
-	}
243
+    /**
244
+     * Get a mount option
245
+     *
246
+     * @param string $name Name of the mount option to get
247
+     * @param mixed $default Default value for the mount option
248
+     * @return mixed
249
+     */
250
+    public function getOption($name, $default) {
251
+        return isset($this->mountOptions[$name]) ? $this->mountOptions[$name] : $default;
252
+    }
253 253
 
254
-	/**
255
-	 * Get all options for the mount
256
-	 *
257
-	 * @return array
258
-	 */
259
-	public function getOptions() {
260
-		return $this->mountOptions;
261
-	}
254
+    /**
255
+     * Get all options for the mount
256
+     *
257
+     * @return array
258
+     */
259
+    public function getOptions() {
260
+        return $this->mountOptions;
261
+    }
262 262
 
263
-	/**
264
-	 * Get the file id of the root of the storage
265
-	 *
266
-	 * @return int
267
-	 */
268
-	public function getStorageRootId() {
269
-		if (is_null($this->rootId)) {
270
-			$this->rootId = (int)$this->getStorage()->getCache()->getId('');
271
-		}
272
-		return $this->rootId;
273
-	}
263
+    /**
264
+     * Get the file id of the root of the storage
265
+     *
266
+     * @return int
267
+     */
268
+    public function getStorageRootId() {
269
+        if (is_null($this->rootId)) {
270
+            $this->rootId = (int)$this->getStorage()->getCache()->getId('');
271
+        }
272
+        return $this->rootId;
273
+    }
274 274
 
275
-	public function getMountId() {
276
-		return $this->mountId;
277
-	}
275
+    public function getMountId() {
276
+        return $this->mountId;
277
+    }
278 278
 
279
-	public function getMountType() {
280
-		return '';
281
-	}
279
+    public function getMountType() {
280
+        return '';
281
+    }
282 282
 }
Please login to merge, or discard this patch.
Spacing   +5 added lines, -5 removed lines patch added patch discarded remove patch
@@ -106,7 +106,7 @@  discard block
 block discarded – undo
106 106
 		} else {
107 107
 			// Update old classes to new namespace
108 108
 			if (strpos($storage, 'OC_Filestorage_') !== false) {
109
-				$storage = '\OC\Files\Storage\\' . substr($storage, 15);
109
+				$storage = '\OC\Files\Storage\\'.substr($storage, 15);
110 110
 			}
111 111
 			$this->class = $storage;
112 112
 			$this->arguments = $arguments;
@@ -158,7 +158,7 @@  discard block
 block discarded – undo
158 158
 				return;
159 159
 			}
160 160
 		} else {
161
-			\OCP\Util::writeLog('core', 'storage backend ' . $this->class . ' not found', ILogger::ERROR);
161
+			\OCP\Util::writeLog('core', 'storage backend '.$this->class.' not found', ILogger::ERROR);
162 162
 			$this->invalidStorage = true;
163 163
 			return;
164 164
 		}
@@ -208,13 +208,13 @@  discard block
 block discarded – undo
208 208
 	 */
209 209
 	public function getInternalPath($path) {
210 210
 		$path = Filesystem::normalizePath($path, true, false, true);
211
-		if ($this->mountPoint === $path or $this->mountPoint . '/' === $path) {
211
+		if ($this->mountPoint === $path or $this->mountPoint.'/' === $path) {
212 212
 			$internalPath = '';
213 213
 		} else {
214 214
 			$internalPath = substr($path, strlen($this->mountPoint));
215 215
 		}
216 216
 		// substr returns false instead of an empty string, we always want a string
217
-		return (string)$internalPath;
217
+		return (string) $internalPath;
218 218
 	}
219 219
 
220 220
 	/**
@@ -267,7 +267,7 @@  discard block
 block discarded – undo
267 267
 	 */
268 268
 	public function getStorageRootId() {
269 269
 		if (is_null($this->rootId)) {
270
-			$this->rootId = (int)$this->getStorage()->getCache()->getId('');
270
+			$this->rootId = (int) $this->getStorage()->getCache()->getId('');
271 271
 		}
272 272
 		return $this->rootId;
273 273
 	}
Please login to merge, or discard this patch.
lib/private/Files/Mount/ObjectHomeMountProvider.php 1 patch
Indentation   +100 added lines, -100 removed lines patch added patch discarded remove patch
@@ -33,107 +33,107 @@
 block discarded – undo
33 33
  * Mount provider for object store home storages
34 34
  */
35 35
 class ObjectHomeMountProvider implements IHomeMountProvider {
36
-	/**
37
-	 * @var IConfig
38
-	 */
39
-	private $config;
40
-
41
-	/**
42
-	 * ObjectStoreHomeMountProvider constructor.
43
-	 *
44
-	 * @param IConfig $config
45
-	 */
46
-	public function __construct(IConfig $config) {
47
-		$this->config = $config;
48
-	}
49
-
50
-	/**
51
-	 * Get the cache mount for a user
52
-	 *
53
-	 * @param IUser $user
54
-	 * @param IStorageFactory $loader
55
-	 * @return \OCP\Files\Mount\IMountPoint
56
-	 */
57
-	public function getHomeMountForUser(IUser $user, IStorageFactory $loader) {
58
-
59
-		$config = $this->getMultiBucketObjectStoreConfig($user);
60
-		if ($config === null) {
61
-			$config = $this->getSingleBucketObjectStoreConfig($user);
62
-		}
63
-
64
-		if ($config === null) {
65
-			return null;
66
-		}
67
-
68
-		return new MountPoint('\OC\Files\ObjectStore\HomeObjectStoreStorage', '/' . $user->getUID(), $config['arguments'], $loader);
69
-	}
70
-
71
-	/**
72
-	 * @param IUser $user
73
-	 * @return array|null
74
-	 */
75
-	private function getSingleBucketObjectStoreConfig(IUser $user) {
76
-		$config = $this->config->getSystemValue('objectstore');
77
-		if (!is_array($config)) {
78
-			return null;
79
-		}
80
-
81
-		// sanity checks
82
-		if (empty($config['class'])) {
83
-			\OCP\Util::writeLog('files', 'No class given for objectstore', ILogger::ERROR);
84
-		}
85
-		if (!isset($config['arguments'])) {
86
-			$config['arguments'] = [];
87
-		}
88
-		// instantiate object store implementation
89
-		$config['arguments']['objectstore'] = new $config['class']($config['arguments']);
90
-
91
-		$config['arguments']['user'] = $user;
92
-
93
-		return $config;
94
-	}
95
-
96
-	/**
97
-	 * @param IUser $user
98
-	 * @return array|null
99
-	 */
100
-	private function getMultiBucketObjectStoreConfig(IUser $user) {
101
-		$config = $this->config->getSystemValue('objectstore_multibucket');
102
-		if (!is_array($config)) {
103
-			return null;
104
-		}
105
-
106
-		// sanity checks
107
-		if (empty($config['class'])) {
108
-			\OCP\Util::writeLog('files', 'No class given for objectstore', ILogger::ERROR);
109
-		}
110
-		if (!isset($config['arguments'])) {
111
-			$config['arguments'] = [];
112
-		}
113
-		$config['arguments']['user'] = $user;
114
-
115
-		$bucket = $this->config->getUserValue($user->getUID(), 'homeobjectstore', 'bucket', null);
116
-
117
-		if ($bucket === null) {
118
-			/*
36
+    /**
37
+     * @var IConfig
38
+     */
39
+    private $config;
40
+
41
+    /**
42
+     * ObjectStoreHomeMountProvider constructor.
43
+     *
44
+     * @param IConfig $config
45
+     */
46
+    public function __construct(IConfig $config) {
47
+        $this->config = $config;
48
+    }
49
+
50
+    /**
51
+     * Get the cache mount for a user
52
+     *
53
+     * @param IUser $user
54
+     * @param IStorageFactory $loader
55
+     * @return \OCP\Files\Mount\IMountPoint
56
+     */
57
+    public function getHomeMountForUser(IUser $user, IStorageFactory $loader) {
58
+
59
+        $config = $this->getMultiBucketObjectStoreConfig($user);
60
+        if ($config === null) {
61
+            $config = $this->getSingleBucketObjectStoreConfig($user);
62
+        }
63
+
64
+        if ($config === null) {
65
+            return null;
66
+        }
67
+
68
+        return new MountPoint('\OC\Files\ObjectStore\HomeObjectStoreStorage', '/' . $user->getUID(), $config['arguments'], $loader);
69
+    }
70
+
71
+    /**
72
+     * @param IUser $user
73
+     * @return array|null
74
+     */
75
+    private function getSingleBucketObjectStoreConfig(IUser $user) {
76
+        $config = $this->config->getSystemValue('objectstore');
77
+        if (!is_array($config)) {
78
+            return null;
79
+        }
80
+
81
+        // sanity checks
82
+        if (empty($config['class'])) {
83
+            \OCP\Util::writeLog('files', 'No class given for objectstore', ILogger::ERROR);
84
+        }
85
+        if (!isset($config['arguments'])) {
86
+            $config['arguments'] = [];
87
+        }
88
+        // instantiate object store implementation
89
+        $config['arguments']['objectstore'] = new $config['class']($config['arguments']);
90
+
91
+        $config['arguments']['user'] = $user;
92
+
93
+        return $config;
94
+    }
95
+
96
+    /**
97
+     * @param IUser $user
98
+     * @return array|null
99
+     */
100
+    private function getMultiBucketObjectStoreConfig(IUser $user) {
101
+        $config = $this->config->getSystemValue('objectstore_multibucket');
102
+        if (!is_array($config)) {
103
+            return null;
104
+        }
105
+
106
+        // sanity checks
107
+        if (empty($config['class'])) {
108
+            \OCP\Util::writeLog('files', 'No class given for objectstore', ILogger::ERROR);
109
+        }
110
+        if (!isset($config['arguments'])) {
111
+            $config['arguments'] = [];
112
+        }
113
+        $config['arguments']['user'] = $user;
114
+
115
+        $bucket = $this->config->getUserValue($user->getUID(), 'homeobjectstore', 'bucket', null);
116
+
117
+        if ($bucket === null) {
118
+            /*
119 119
 			 * Use any provided bucket argument as prefix
120 120
 			 * and add the mapping from username => bucket
121 121
 			 */
122
-			if (!isset($config['arguments']['bucket'])) {
123
-				$config['arguments']['bucket'] = '';
124
-			}
125
-			$mapper = new \OC\Files\ObjectStore\Mapper($user);
126
-			$numBuckets = isset($config['arguments']['num_buckets']) ? $config['arguments']['num_buckets'] : 64;
127
-			$config['arguments']['bucket'] .= $mapper->getBucket($numBuckets);
128
-
129
-			$this->config->setUserValue($user->getUID(), 'homeobjectstore', 'bucket', $config['arguments']['bucket']);
130
-		} else {
131
-			$config['arguments']['bucket'] = $bucket;
132
-		}
133
-
134
-		// instantiate object store implementation
135
-		$config['arguments']['objectstore'] = new $config['class']($config['arguments']);
136
-
137
-		return $config;
138
-	}
122
+            if (!isset($config['arguments']['bucket'])) {
123
+                $config['arguments']['bucket'] = '';
124
+            }
125
+            $mapper = new \OC\Files\ObjectStore\Mapper($user);
126
+            $numBuckets = isset($config['arguments']['num_buckets']) ? $config['arguments']['num_buckets'] : 64;
127
+            $config['arguments']['bucket'] .= $mapper->getBucket($numBuckets);
128
+
129
+            $this->config->setUserValue($user->getUID(), 'homeobjectstore', 'bucket', $config['arguments']['bucket']);
130
+        } else {
131
+            $config['arguments']['bucket'] = $bucket;
132
+        }
133
+
134
+        // instantiate object store implementation
135
+        $config['arguments']['objectstore'] = new $config['class']($config['arguments']);
136
+
137
+        return $config;
138
+    }
139 139
 }
Please login to merge, or discard this patch.
lib/private/Files/Storage/Wrapper/Encryption.php 2 patches
Indentation   +976 added lines, -976 removed lines patch added patch discarded remove patch
@@ -48,981 +48,981 @@
 block discarded – undo
48 48
 
49 49
 class Encryption extends Wrapper {
50 50
 
51
-	use LocalTempFileTrait;
52
-
53
-	/** @var string */
54
-	private $mountPoint;
55
-
56
-	/** @var \OC\Encryption\Util */
57
-	private $util;
58
-
59
-	/** @var \OCP\Encryption\IManager */
60
-	private $encryptionManager;
61
-
62
-	/** @var \OCP\ILogger */
63
-	private $logger;
64
-
65
-	/** @var string */
66
-	private $uid;
67
-
68
-	/** @var array */
69
-	protected $unencryptedSize;
70
-
71
-	/** @var \OCP\Encryption\IFile */
72
-	private $fileHelper;
73
-
74
-	/** @var IMountPoint */
75
-	private $mount;
76
-
77
-	/** @var IStorage */
78
-	private $keyStorage;
79
-
80
-	/** @var Update */
81
-	private $update;
82
-
83
-	/** @var Manager */
84
-	private $mountManager;
85
-
86
-	/** @var array remember for which path we execute the repair step to avoid recursions */
87
-	private $fixUnencryptedSizeOf = array();
88
-
89
-	/** @var  ArrayCache */
90
-	private $arrayCache;
91
-
92
-	/**
93
-	 * @param array $parameters
94
-	 * @param IManager $encryptionManager
95
-	 * @param Util $util
96
-	 * @param ILogger $logger
97
-	 * @param IFile $fileHelper
98
-	 * @param string $uid
99
-	 * @param IStorage $keyStorage
100
-	 * @param Update $update
101
-	 * @param Manager $mountManager
102
-	 * @param ArrayCache $arrayCache
103
-	 */
104
-	public function __construct(
105
-			$parameters,
106
-			IManager $encryptionManager = null,
107
-			Util $util = null,
108
-			ILogger $logger = null,
109
-			IFile $fileHelper = null,
110
-			$uid = null,
111
-			IStorage $keyStorage = null,
112
-			Update $update = null,
113
-			Manager $mountManager = null,
114
-			ArrayCache $arrayCache = null
115
-		) {
116
-
117
-		$this->mountPoint = $parameters['mountPoint'];
118
-		$this->mount = $parameters['mount'];
119
-		$this->encryptionManager = $encryptionManager;
120
-		$this->util = $util;
121
-		$this->logger = $logger;
122
-		$this->uid = $uid;
123
-		$this->fileHelper = $fileHelper;
124
-		$this->keyStorage = $keyStorage;
125
-		$this->unencryptedSize = array();
126
-		$this->update = $update;
127
-		$this->mountManager = $mountManager;
128
-		$this->arrayCache = $arrayCache;
129
-		parent::__construct($parameters);
130
-	}
131
-
132
-	/**
133
-	 * see http://php.net/manual/en/function.filesize.php
134
-	 * The result for filesize when called on a folder is required to be 0
135
-	 *
136
-	 * @param string $path
137
-	 * @return int
138
-	 */
139
-	public function filesize($path) {
140
-		$fullPath = $this->getFullPath($path);
141
-
142
-		/** @var CacheEntry $info */
143
-		$info = $this->getCache()->get($path);
144
-		if (isset($this->unencryptedSize[$fullPath])) {
145
-			$size = $this->unencryptedSize[$fullPath];
146
-			// update file cache
147
-			if ($info instanceof ICacheEntry) {
148
-				$info = $info->getData();
149
-				$info['encrypted'] = $info['encryptedVersion'];
150
-			} else {
151
-				if (!is_array($info)) {
152
-					$info = [];
153
-				}
154
-				$info['encrypted'] = true;
155
-			}
156
-
157
-			$info['size'] = $size;
158
-			$this->getCache()->put($path, $info);
159
-
160
-			return $size;
161
-		}
162
-
163
-		if (isset($info['fileid']) && $info['encrypted']) {
164
-			return $this->verifyUnencryptedSize($path, $info['size']);
165
-		}
166
-
167
-		return $this->storage->filesize($path);
168
-	}
169
-
170
-	/**
171
-	 * @param string $path
172
-	 * @return array
173
-	 */
174
-	public function getMetaData($path) {
175
-		$data = $this->storage->getMetaData($path);
176
-		if (is_null($data)) {
177
-			return null;
178
-		}
179
-		$fullPath = $this->getFullPath($path);
180
-		$info = $this->getCache()->get($path);
181
-
182
-		if (isset($this->unencryptedSize[$fullPath])) {
183
-			$data['encrypted'] = true;
184
-			$data['size'] = $this->unencryptedSize[$fullPath];
185
-		} else {
186
-			if (isset($info['fileid']) && $info['encrypted']) {
187
-				$data['size'] = $this->verifyUnencryptedSize($path, $info['size']);
188
-				$data['encrypted'] = true;
189
-			}
190
-		}
191
-
192
-		if (isset($info['encryptedVersion']) && $info['encryptedVersion'] > 1) {
193
-			$data['encryptedVersion'] = $info['encryptedVersion'];
194
-		}
195
-
196
-		return $data;
197
-	}
198
-
199
-	/**
200
-	 * see http://php.net/manual/en/function.file_get_contents.php
201
-	 *
202
-	 * @param string $path
203
-	 * @return string
204
-	 */
205
-	public function file_get_contents($path) {
206
-
207
-		$encryptionModule = $this->getEncryptionModule($path);
208
-
209
-		if ($encryptionModule) {
210
-			$handle = $this->fopen($path, "r");
211
-			if (!$handle) {
212
-				return false;
213
-			}
214
-			$data = stream_get_contents($handle);
215
-			fclose($handle);
216
-			return $data;
217
-		}
218
-		return $this->storage->file_get_contents($path);
219
-	}
220
-
221
-	/**
222
-	 * see http://php.net/manual/en/function.file_put_contents.php
223
-	 *
224
-	 * @param string $path
225
-	 * @param string $data
226
-	 * @return bool
227
-	 */
228
-	public function file_put_contents($path, $data) {
229
-		// file put content will always be translated to a stream write
230
-		$handle = $this->fopen($path, 'w');
231
-		if (is_resource($handle)) {
232
-			$written = fwrite($handle, $data);
233
-			fclose($handle);
234
-			return $written;
235
-		}
236
-
237
-		return false;
238
-	}
239
-
240
-	/**
241
-	 * see http://php.net/manual/en/function.unlink.php
242
-	 *
243
-	 * @param string $path
244
-	 * @return bool
245
-	 */
246
-	public function unlink($path) {
247
-		$fullPath = $this->getFullPath($path);
248
-		if ($this->util->isExcluded($fullPath)) {
249
-			return $this->storage->unlink($path);
250
-		}
251
-
252
-		$encryptionModule = $this->getEncryptionModule($path);
253
-		if ($encryptionModule) {
254
-			$this->keyStorage->deleteAllFileKeys($this->getFullPath($path));
255
-		}
256
-
257
-		return $this->storage->unlink($path);
258
-	}
259
-
260
-	/**
261
-	 * see http://php.net/manual/en/function.rename.php
262
-	 *
263
-	 * @param string $path1
264
-	 * @param string $path2
265
-	 * @return bool
266
-	 */
267
-	public function rename($path1, $path2) {
268
-
269
-		$result = $this->storage->rename($path1, $path2);
270
-
271
-		if ($result &&
272
-			// versions always use the keys from the original file, so we can skip
273
-			// this step for versions
274
-			$this->isVersion($path2) === false &&
275
-			$this->encryptionManager->isEnabled()) {
276
-			$source = $this->getFullPath($path1);
277
-			if (!$this->util->isExcluded($source)) {
278
-				$target = $this->getFullPath($path2);
279
-				if (isset($this->unencryptedSize[$source])) {
280
-					$this->unencryptedSize[$target] = $this->unencryptedSize[$source];
281
-				}
282
-				$this->keyStorage->renameKeys($source, $target);
283
-				$module = $this->getEncryptionModule($path2);
284
-				if ($module) {
285
-					$module->update($target, $this->uid, []);
286
-				}
287
-			}
288
-		}
289
-
290
-		return $result;
291
-	}
292
-
293
-	/**
294
-	 * see http://php.net/manual/en/function.rmdir.php
295
-	 *
296
-	 * @param string $path
297
-	 * @return bool
298
-	 */
299
-	public function rmdir($path) {
300
-		$result = $this->storage->rmdir($path);
301
-		$fullPath = $this->getFullPath($path);
302
-		if ($result &&
303
-			$this->util->isExcluded($fullPath) === false &&
304
-			$this->encryptionManager->isEnabled()
305
-		) {
306
-			$this->keyStorage->deleteAllFileKeys($fullPath);
307
-		}
308
-
309
-		return $result;
310
-	}
311
-
312
-	/**
313
-	 * check if a file can be read
314
-	 *
315
-	 * @param string $path
316
-	 * @return bool
317
-	 */
318
-	public function isReadable($path) {
319
-
320
-		$isReadable = true;
321
-
322
-		$metaData = $this->getMetaData($path);
323
-		if (
324
-			!$this->is_dir($path) &&
325
-			isset($metaData['encrypted']) &&
326
-			$metaData['encrypted'] === true
327
-		) {
328
-			$fullPath = $this->getFullPath($path);
329
-			$module = $this->getEncryptionModule($path);
330
-			$isReadable = $module->isReadable($fullPath, $this->uid);
331
-		}
332
-
333
-		return $this->storage->isReadable($path) && $isReadable;
334
-	}
335
-
336
-	/**
337
-	 * see http://php.net/manual/en/function.copy.php
338
-	 *
339
-	 * @param string $path1
340
-	 * @param string $path2
341
-	 * @return bool
342
-	 */
343
-	public function copy($path1, $path2) {
344
-
345
-		$source = $this->getFullPath($path1);
346
-
347
-		if ($this->util->isExcluded($source)) {
348
-			return $this->storage->copy($path1, $path2);
349
-		}
350
-
351
-		// need to stream copy file by file in case we copy between a encrypted
352
-		// and a unencrypted storage
353
-		$this->unlink($path2);
354
-		return $this->copyFromStorage($this, $path1, $path2);
355
-	}
356
-
357
-	/**
358
-	 * see http://php.net/manual/en/function.fopen.php
359
-	 *
360
-	 * @param string $path
361
-	 * @param string $mode
362
-	 * @return resource|bool
363
-	 * @throws GenericEncryptionException
364
-	 * @throws ModuleDoesNotExistsException
365
-	 */
366
-	public function fopen($path, $mode) {
367
-
368
-		// check if the file is stored in the array cache, this means that we
369
-		// copy a file over to the versions folder, in this case we don't want to
370
-		// decrypt it
371
-		if ($this->arrayCache->hasKey('encryption_copy_version_' . $path)) {
372
-			$this->arrayCache->remove('encryption_copy_version_' . $path);
373
-			return $this->storage->fopen($path, $mode);
374
-		}
375
-
376
-		$encryptionEnabled = $this->encryptionManager->isEnabled();
377
-		$shouldEncrypt = false;
378
-		$encryptionModule = null;
379
-		$header = $this->getHeader($path);
380
-		$signed = isset($header['signed']) && $header['signed'] === 'true';
381
-		$fullPath = $this->getFullPath($path);
382
-		$encryptionModuleId = $this->util->getEncryptionModuleId($header);
383
-
384
-		if ($this->util->isExcluded($fullPath) === false) {
385
-
386
-			$size = $unencryptedSize = 0;
387
-			$realFile = $this->util->stripPartialFileExtension($path);
388
-			$targetExists = $this->file_exists($realFile) || $this->file_exists($path);
389
-			$targetIsEncrypted = false;
390
-			if ($targetExists) {
391
-				// in case the file exists we require the explicit module as
392
-				// specified in the file header - otherwise we need to fail hard to
393
-				// prevent data loss on client side
394
-				if (!empty($encryptionModuleId)) {
395
-					$targetIsEncrypted = true;
396
-					$encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
397
-				}
398
-
399
-				if ($this->file_exists($path)) {
400
-					$size = $this->storage->filesize($path);
401
-					$unencryptedSize = $this->filesize($path);
402
-				} else {
403
-					$size = $unencryptedSize = 0;
404
-				}
405
-			}
406
-
407
-			try {
408
-
409
-				if (
410
-					$mode === 'w'
411
-					|| $mode === 'w+'
412
-					|| $mode === 'wb'
413
-					|| $mode === 'wb+'
414
-				) {
415
-					// don't overwrite encrypted files if encryption is not enabled
416
-					if ($targetIsEncrypted && $encryptionEnabled === false) {
417
-						throw new GenericEncryptionException('Tried to access encrypted file but encryption is not enabled');
418
-					}
419
-					if ($encryptionEnabled) {
420
-						// if $encryptionModuleId is empty, the default module will be used
421
-						$encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
422
-						$shouldEncrypt = $encryptionModule->shouldEncrypt($fullPath);
423
-						$signed = true;
424
-					}
425
-				} else {
426
-					$info = $this->getCache()->get($path);
427
-					// only get encryption module if we found one in the header
428
-					// or if file should be encrypted according to the file cache
429
-					if (!empty($encryptionModuleId)) {
430
-						$encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
431
-						$shouldEncrypt = true;
432
-					} else if (empty($encryptionModuleId) && $info['encrypted'] === true) {
433
-						// we come from a old installation. No header and/or no module defined
434
-						// but the file is encrypted. In this case we need to use the
435
-						// OC_DEFAULT_MODULE to read the file
436
-						$encryptionModule = $this->encryptionManager->getEncryptionModule('OC_DEFAULT_MODULE');
437
-						$shouldEncrypt = true;
438
-						$targetIsEncrypted = true;
439
-					}
440
-				}
441
-			} catch (ModuleDoesNotExistsException $e) {
442
-				$this->logger->logException($e, [
443
-					'message' => 'Encryption module "' . $encryptionModuleId . '" not found, file will be stored unencrypted',
444
-					'level' => ILogger::WARN,
445
-					'app' => 'core',
446
-				]);
447
-			}
448
-
449
-			// encryption disabled on write of new file and write to existing unencrypted file -> don't encrypt
450
-			if (!$encryptionEnabled || !$this->shouldEncrypt($path)) {
451
-				if (!$targetExists || !$targetIsEncrypted) {
452
-					$shouldEncrypt = false;
453
-				}
454
-			}
455
-
456
-			if ($shouldEncrypt === true && $encryptionModule !== null) {
457
-				$headerSize = $this->getHeaderSize($path);
458
-				$source = $this->storage->fopen($path, $mode);
459
-				if (!is_resource($source)) {
460
-					return false;
461
-				}
462
-				$handle = \OC\Files\Stream\Encryption::wrap($source, $path, $fullPath, $header,
463
-					$this->uid, $encryptionModule, $this->storage, $this, $this->util, $this->fileHelper, $mode,
464
-					$size, $unencryptedSize, $headerSize, $signed);
465
-				return $handle;
466
-			}
467
-
468
-		}
469
-
470
-		return $this->storage->fopen($path, $mode);
471
-	}
472
-
473
-
474
-	/**
475
-	 * perform some plausibility checks if the the unencrypted size is correct.
476
-	 * If not, we calculate the correct unencrypted size and return it
477
-	 *
478
-	 * @param string $path internal path relative to the storage root
479
-	 * @param int $unencryptedSize size of the unencrypted file
480
-	 *
481
-	 * @return int unencrypted size
482
-	 */
483
-	protected function verifyUnencryptedSize($path, $unencryptedSize) {
484
-
485
-		$size = $this->storage->filesize($path);
486
-		$result = $unencryptedSize;
487
-
488
-		if ($unencryptedSize < 0 ||
489
-			($size > 0 && $unencryptedSize === $size)
490
-		) {
491
-			// check if we already calculate the unencrypted size for the
492
-			// given path to avoid recursions
493
-			if (isset($this->fixUnencryptedSizeOf[$this->getFullPath($path)]) === false) {
494
-				$this->fixUnencryptedSizeOf[$this->getFullPath($path)] = true;
495
-				try {
496
-					$result = $this->fixUnencryptedSize($path, $size, $unencryptedSize);
497
-				} catch (\Exception $e) {
498
-					$this->logger->error('Couldn\'t re-calculate unencrypted size for '. $path);
499
-					$this->logger->logException($e);
500
-				}
501
-				unset($this->fixUnencryptedSizeOf[$this->getFullPath($path)]);
502
-			}
503
-		}
504
-
505
-		return $result;
506
-	}
507
-
508
-	/**
509
-	 * calculate the unencrypted size
510
-	 *
511
-	 * @param string $path internal path relative to the storage root
512
-	 * @param int $size size of the physical file
513
-	 * @param int $unencryptedSize size of the unencrypted file
514
-	 *
515
-	 * @return int calculated unencrypted size
516
-	 */
517
-	protected function fixUnencryptedSize($path, $size, $unencryptedSize) {
518
-
519
-		$headerSize = $this->getHeaderSize($path);
520
-		$header = $this->getHeader($path);
521
-		$encryptionModule = $this->getEncryptionModule($path);
522
-
523
-		$stream = $this->storage->fopen($path, 'r');
524
-
525
-		// if we couldn't open the file we return the old unencrypted size
526
-		if (!is_resource($stream)) {
527
-			$this->logger->error('Could not open ' . $path . '. Recalculation of unencrypted size aborted.');
528
-			return $unencryptedSize;
529
-		}
530
-
531
-		$newUnencryptedSize = 0;
532
-		$size -= $headerSize;
533
-		$blockSize = $this->util->getBlockSize();
534
-
535
-		// if a header exists we skip it
536
-		if ($headerSize > 0) {
537
-			fread($stream, $headerSize);
538
-		}
539
-
540
-		// fast path, else the calculation for $lastChunkNr is bogus
541
-		if ($size === 0) {
542
-			return 0;
543
-		}
544
-
545
-		$signed = isset($header['signed']) && $header['signed'] === 'true';
546
-		$unencryptedBlockSize = $encryptionModule->getUnencryptedBlockSize($signed);
547
-
548
-		// calculate last chunk nr
549
-		// next highest is end of chunks, one subtracted is last one
550
-		// we have to read the last chunk, we can't just calculate it (because of padding etc)
551
-
552
-		$lastChunkNr = ceil($size/ $blockSize)-1;
553
-		// calculate last chunk position
554
-		$lastChunkPos = ($lastChunkNr * $blockSize);
555
-		// try to fseek to the last chunk, if it fails we have to read the whole file
556
-		if (@fseek($stream, $lastChunkPos, SEEK_CUR) === 0) {
557
-			$newUnencryptedSize += $lastChunkNr * $unencryptedBlockSize;
558
-		}
559
-
560
-		$lastChunkContentEncrypted='';
561
-		$count = $blockSize;
562
-
563
-		while ($count > 0) {
564
-			$data=fread($stream, $blockSize);
565
-			$count=strlen($data);
566
-			$lastChunkContentEncrypted .= $data;
567
-			if(strlen($lastChunkContentEncrypted) > $blockSize) {
568
-				$newUnencryptedSize += $unencryptedBlockSize;
569
-				$lastChunkContentEncrypted=substr($lastChunkContentEncrypted, $blockSize);
570
-			}
571
-		}
572
-
573
-		fclose($stream);
574
-
575
-		// we have to decrypt the last chunk to get it actual size
576
-		$encryptionModule->begin($this->getFullPath($path), $this->uid, 'r', $header, []);
577
-		$decryptedLastChunk = $encryptionModule->decrypt($lastChunkContentEncrypted, $lastChunkNr . 'end');
578
-		$decryptedLastChunk .= $encryptionModule->end($this->getFullPath($path), $lastChunkNr . 'end');
579
-
580
-		// calc the real file size with the size of the last chunk
581
-		$newUnencryptedSize += strlen($decryptedLastChunk);
582
-
583
-		$this->updateUnencryptedSize($this->getFullPath($path), $newUnencryptedSize);
584
-
585
-		// write to cache if applicable
586
-		$cache = $this->storage->getCache();
587
-		if ($cache) {
588
-			$entry = $cache->get($path);
589
-			$cache->update($entry['fileid'], ['size' => $newUnencryptedSize]);
590
-		}
591
-
592
-		return $newUnencryptedSize;
593
-	}
594
-
595
-	/**
596
-	 * @param Storage\IStorage $sourceStorage
597
-	 * @param string $sourceInternalPath
598
-	 * @param string $targetInternalPath
599
-	 * @param bool $preserveMtime
600
-	 * @return bool
601
-	 */
602
-	public function moveFromStorage(Storage\IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = true) {
603
-		if ($sourceStorage === $this) {
604
-			return $this->rename($sourceInternalPath, $targetInternalPath);
605
-		}
606
-
607
-		// TODO clean this up once the underlying moveFromStorage in OC\Files\Storage\Wrapper\Common is fixed:
608
-		// - call $this->storage->moveFromStorage() instead of $this->copyBetweenStorage
609
-		// - copy the file cache update from  $this->copyBetweenStorage to this method
610
-		// - copy the copyKeys() call from  $this->copyBetweenStorage to this method
611
-		// - remove $this->copyBetweenStorage
612
-
613
-		if (!$sourceStorage->isDeletable($sourceInternalPath)) {
614
-			return false;
615
-		}
616
-
617
-		$result = $this->copyBetweenStorage($sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime, true);
618
-		if ($result) {
619
-			if ($sourceStorage->is_dir($sourceInternalPath)) {
620
-				$result &= $sourceStorage->rmdir($sourceInternalPath);
621
-			} else {
622
-				$result &= $sourceStorage->unlink($sourceInternalPath);
623
-			}
624
-		}
625
-		return $result;
626
-	}
627
-
628
-
629
-	/**
630
-	 * @param Storage\IStorage $sourceStorage
631
-	 * @param string $sourceInternalPath
632
-	 * @param string $targetInternalPath
633
-	 * @param bool $preserveMtime
634
-	 * @param bool $isRename
635
-	 * @return bool
636
-	 */
637
-	public function copyFromStorage(Storage\IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false, $isRename = false) {
638
-
639
-		// TODO clean this up once the underlying moveFromStorage in OC\Files\Storage\Wrapper\Common is fixed:
640
-		// - call $this->storage->copyFromStorage() instead of $this->copyBetweenStorage
641
-		// - copy the file cache update from  $this->copyBetweenStorage to this method
642
-		// - copy the copyKeys() call from  $this->copyBetweenStorage to this method
643
-		// - remove $this->copyBetweenStorage
644
-
645
-		return $this->copyBetweenStorage($sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime, $isRename);
646
-	}
647
-
648
-	/**
649
-	 * Update the encrypted cache version in the database
650
-	 *
651
-	 * @param Storage\IStorage $sourceStorage
652
-	 * @param string $sourceInternalPath
653
-	 * @param string $targetInternalPath
654
-	 * @param bool $isRename
655
-	 * @param bool $keepEncryptionVersion
656
-	 */
657
-	private function updateEncryptedVersion(Storage\IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $isRename, $keepEncryptionVersion) {
658
-		$isEncrypted = $this->encryptionManager->isEnabled() && $this->shouldEncrypt($targetInternalPath);
659
-		$cacheInformation = [
660
-			'encrypted' => $isEncrypted,
661
-		];
662
-		if($isEncrypted) {
663
-			$encryptedVersion = $sourceStorage->getCache()->get($sourceInternalPath)['encryptedVersion'];
664
-
665
-			// In case of a move operation from an unencrypted to an encrypted
666
-			// storage the old encrypted version would stay with "0" while the
667
-			// correct value would be "1". Thus we manually set the value to "1"
668
-			// for those cases.
669
-			// See also https://github.com/owncloud/core/issues/23078
670
-			if($encryptedVersion === 0 || !$keepEncryptionVersion) {
671
-				$encryptedVersion = 1;
672
-			}
673
-
674
-			$cacheInformation['encryptedVersion'] = $encryptedVersion;
675
-		}
676
-
677
-		// in case of a rename we need to manipulate the source cache because
678
-		// this information will be kept for the new target
679
-		if ($isRename) {
680
-			$sourceStorage->getCache()->put($sourceInternalPath, $cacheInformation);
681
-		} else {
682
-			$this->getCache()->put($targetInternalPath, $cacheInformation);
683
-		}
684
-	}
685
-
686
-	/**
687
-	 * copy file between two storages
688
-	 *
689
-	 * @param Storage\IStorage $sourceStorage
690
-	 * @param string $sourceInternalPath
691
-	 * @param string $targetInternalPath
692
-	 * @param bool $preserveMtime
693
-	 * @param bool $isRename
694
-	 * @return bool
695
-	 * @throws \Exception
696
-	 */
697
-	private function copyBetweenStorage(Storage\IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime, $isRename) {
698
-
699
-		// for versions we have nothing to do, because versions should always use the
700
-		// key from the original file. Just create a 1:1 copy and done
701
-		if ($this->isVersion($targetInternalPath) ||
702
-			$this->isVersion($sourceInternalPath)) {
703
-			// remember that we try to create a version so that we can detect it during
704
-			// fopen($sourceInternalPath) and by-pass the encryption in order to
705
-			// create a 1:1 copy of the file
706
-			$this->arrayCache->set('encryption_copy_version_' . $sourceInternalPath, true);
707
-			$result = $this->storage->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
708
-			$this->arrayCache->remove('encryption_copy_version_' . $sourceInternalPath);
709
-			if ($result) {
710
-				$info = $this->getCache('', $sourceStorage)->get($sourceInternalPath);
711
-				// make sure that we update the unencrypted size for the version
712
-				if (isset($info['encrypted']) && $info['encrypted'] === true) {
713
-					$this->updateUnencryptedSize(
714
-						$this->getFullPath($targetInternalPath),
715
-						$info['size']
716
-					);
717
-				}
718
-				$this->updateEncryptedVersion($sourceStorage, $sourceInternalPath, $targetInternalPath, $isRename, true);
719
-			}
720
-			return $result;
721
-		}
722
-
723
-		// first copy the keys that we reuse the existing file key on the target location
724
-		// and don't create a new one which would break versions for example.
725
-		$mount = $this->mountManager->findByStorageId($sourceStorage->getId());
726
-		if (count($mount) === 1) {
727
-			$mountPoint = $mount[0]->getMountPoint();
728
-			$source = $mountPoint . '/' . $sourceInternalPath;
729
-			$target = $this->getFullPath($targetInternalPath);
730
-			$this->copyKeys($source, $target);
731
-		} else {
732
-			$this->logger->error('Could not find mount point, can\'t keep encryption keys');
733
-		}
734
-
735
-		if ($sourceStorage->is_dir($sourceInternalPath)) {
736
-			$dh = $sourceStorage->opendir($sourceInternalPath);
737
-			$result = $this->mkdir($targetInternalPath);
738
-			if (is_resource($dh)) {
739
-				while ($result and ($file = readdir($dh)) !== false) {
740
-					if (!Filesystem::isIgnoredDir($file)) {
741
-						$result &= $this->copyFromStorage($sourceStorage, $sourceInternalPath . '/' . $file, $targetInternalPath . '/' . $file, false, $isRename);
742
-					}
743
-				}
744
-			}
745
-		} else {
746
-			try {
747
-				$source = $sourceStorage->fopen($sourceInternalPath, 'r');
748
-				$target = $this->fopen($targetInternalPath, 'w');
749
-				list(, $result) = \OC_Helper::streamCopy($source, $target);
750
-				fclose($source);
751
-				fclose($target);
752
-			} catch (\Exception $e) {
753
-				fclose($source);
754
-				fclose($target);
755
-				throw $e;
756
-			}
757
-			if($result) {
758
-				if ($preserveMtime) {
759
-					$this->touch($targetInternalPath, $sourceStorage->filemtime($sourceInternalPath));
760
-				}
761
-				$this->updateEncryptedVersion($sourceStorage, $sourceInternalPath, $targetInternalPath, $isRename, false);
762
-			} else {
763
-				// delete partially written target file
764
-				$this->unlink($targetInternalPath);
765
-				// delete cache entry that was created by fopen
766
-				$this->getCache()->remove($targetInternalPath);
767
-			}
768
-		}
769
-		return (bool)$result;
770
-
771
-	}
772
-
773
-	/**
774
-	 * get the path to a local version of the file.
775
-	 * The local version of the file can be temporary and doesn't have to be persistent across requests
776
-	 *
777
-	 * @param string $path
778
-	 * @return string
779
-	 */
780
-	public function getLocalFile($path) {
781
-		if ($this->encryptionManager->isEnabled()) {
782
-			$cachedFile = $this->getCachedFile($path);
783
-			if (is_string($cachedFile)) {
784
-				return $cachedFile;
785
-			}
786
-		}
787
-		return $this->storage->getLocalFile($path);
788
-	}
789
-
790
-	/**
791
-	 * Returns the wrapped storage's value for isLocal()
792
-	 *
793
-	 * @return bool wrapped storage's isLocal() value
794
-	 */
795
-	public function isLocal() {
796
-		if ($this->encryptionManager->isEnabled()) {
797
-			return false;
798
-		}
799
-		return $this->storage->isLocal();
800
-	}
801
-
802
-	/**
803
-	 * see http://php.net/manual/en/function.stat.php
804
-	 * only the following keys are required in the result: size and mtime
805
-	 *
806
-	 * @param string $path
807
-	 * @return array
808
-	 */
809
-	public function stat($path) {
810
-		$stat = $this->storage->stat($path);
811
-		$fileSize = $this->filesize($path);
812
-		$stat['size'] = $fileSize;
813
-		$stat[7] = $fileSize;
814
-		return $stat;
815
-	}
816
-
817
-	/**
818
-	 * see http://php.net/manual/en/function.hash.php
819
-	 *
820
-	 * @param string $type
821
-	 * @param string $path
822
-	 * @param bool $raw
823
-	 * @return string
824
-	 */
825
-	public function hash($type, $path, $raw = false) {
826
-		$fh = $this->fopen($path, 'rb');
827
-		$ctx = hash_init($type);
828
-		hash_update_stream($ctx, $fh);
829
-		fclose($fh);
830
-		return hash_final($ctx, $raw);
831
-	}
832
-
833
-	/**
834
-	 * return full path, including mount point
835
-	 *
836
-	 * @param string $path relative to mount point
837
-	 * @return string full path including mount point
838
-	 */
839
-	protected function getFullPath($path) {
840
-		return Filesystem::normalizePath($this->mountPoint . '/' . $path);
841
-	}
842
-
843
-	/**
844
-	 * read first block of encrypted file, typically this will contain the
845
-	 * encryption header
846
-	 *
847
-	 * @param string $path
848
-	 * @return string
849
-	 */
850
-	protected function readFirstBlock($path) {
851
-		$firstBlock = '';
852
-		if ($this->storage->file_exists($path)) {
853
-			$handle = $this->storage->fopen($path, 'r');
854
-			$firstBlock = fread($handle, $this->util->getHeaderSize());
855
-			fclose($handle);
856
-		}
857
-		return $firstBlock;
858
-	}
859
-
860
-	/**
861
-	 * return header size of given file
862
-	 *
863
-	 * @param string $path
864
-	 * @return int
865
-	 */
866
-	protected function getHeaderSize($path) {
867
-		$headerSize = 0;
868
-		$realFile = $this->util->stripPartialFileExtension($path);
869
-		if ($this->storage->file_exists($realFile)) {
870
-			$path = $realFile;
871
-		}
872
-		$firstBlock = $this->readFirstBlock($path);
873
-
874
-		if (substr($firstBlock, 0, strlen(Util::HEADER_START)) === Util::HEADER_START) {
875
-			$headerSize = $this->util->getHeaderSize();
876
-		}
877
-
878
-		return $headerSize;
879
-	}
880
-
881
-	/**
882
-	 * parse raw header to array
883
-	 *
884
-	 * @param string $rawHeader
885
-	 * @return array
886
-	 */
887
-	protected function parseRawHeader($rawHeader) {
888
-		$result = array();
889
-		if (substr($rawHeader, 0, strlen(Util::HEADER_START)) === Util::HEADER_START) {
890
-			$header = $rawHeader;
891
-			$endAt = strpos($header, Util::HEADER_END);
892
-			if ($endAt !== false) {
893
-				$header = substr($header, 0, $endAt + strlen(Util::HEADER_END));
894
-
895
-				// +1 to not start with an ':' which would result in empty element at the beginning
896
-				$exploded = explode(':', substr($header, strlen(Util::HEADER_START)+1));
897
-
898
-				$element = array_shift($exploded);
899
-				while ($element !== Util::HEADER_END) {
900
-					$result[$element] = array_shift($exploded);
901
-					$element = array_shift($exploded);
902
-				}
903
-			}
904
-		}
905
-
906
-		return $result;
907
-	}
908
-
909
-	/**
910
-	 * read header from file
911
-	 *
912
-	 * @param string $path
913
-	 * @return array
914
-	 */
915
-	protected function getHeader($path) {
916
-		$realFile = $this->util->stripPartialFileExtension($path);
917
-		$exists = $this->storage->file_exists($realFile);
918
-		if ($exists) {
919
-			$path = $realFile;
920
-		}
921
-
922
-		$firstBlock = $this->readFirstBlock($path);
923
-		$result = $this->parseRawHeader($firstBlock);
924
-
925
-		// if the header doesn't contain a encryption module we check if it is a
926
-		// legacy file. If true, we add the default encryption module
927
-		if (!isset($result[Util::HEADER_ENCRYPTION_MODULE_KEY])) {
928
-			if (!empty($result)) {
929
-				$result[Util::HEADER_ENCRYPTION_MODULE_KEY] = 'OC_DEFAULT_MODULE';
930
-			} else if ($exists) {
931
-				// if the header was empty we have to check first if it is a encrypted file at all
932
-				// We would do query to filecache only if we know that entry in filecache exists
933
-				$info = $this->getCache()->get($path);
934
-				if (isset($info['encrypted']) && $info['encrypted'] === true) {
935
-					$result[Util::HEADER_ENCRYPTION_MODULE_KEY] = 'OC_DEFAULT_MODULE';
936
-				}
937
-			}
938
-		}
939
-
940
-		return $result;
941
-	}
942
-
943
-	/**
944
-	 * read encryption module needed to read/write the file located at $path
945
-	 *
946
-	 * @param string $path
947
-	 * @return null|\OCP\Encryption\IEncryptionModule
948
-	 * @throws ModuleDoesNotExistsException
949
-	 * @throws \Exception
950
-	 */
951
-	protected function getEncryptionModule($path) {
952
-		$encryptionModule = null;
953
-		$header = $this->getHeader($path);
954
-		$encryptionModuleId = $this->util->getEncryptionModuleId($header);
955
-		if (!empty($encryptionModuleId)) {
956
-			try {
957
-				$encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
958
-			} catch (ModuleDoesNotExistsException $e) {
959
-				$this->logger->critical('Encryption module defined in "' . $path . '" not loaded!');
960
-				throw $e;
961
-			}
962
-		}
963
-
964
-		return $encryptionModule;
965
-	}
966
-
967
-	/**
968
-	 * @param string $path
969
-	 * @param int $unencryptedSize
970
-	 */
971
-	public function updateUnencryptedSize($path, $unencryptedSize) {
972
-		$this->unencryptedSize[$path] = $unencryptedSize;
973
-	}
974
-
975
-	/**
976
-	 * copy keys to new location
977
-	 *
978
-	 * @param string $source path relative to data/
979
-	 * @param string $target path relative to data/
980
-	 * @return bool
981
-	 */
982
-	protected function copyKeys($source, $target) {
983
-		if (!$this->util->isExcluded($source)) {
984
-			return $this->keyStorage->copyKeys($source, $target);
985
-		}
986
-
987
-		return false;
988
-	}
989
-
990
-	/**
991
-	 * check if path points to a files version
992
-	 *
993
-	 * @param $path
994
-	 * @return bool
995
-	 */
996
-	protected function isVersion($path) {
997
-		$normalized = Filesystem::normalizePath($path);
998
-		return substr($normalized, 0, strlen('/files_versions/')) === '/files_versions/';
999
-	}
1000
-
1001
-	/**
1002
-	 * check if the given storage should be encrypted or not
1003
-	 *
1004
-	 * @param $path
1005
-	 * @return bool
1006
-	 */
1007
-	protected function shouldEncrypt($path) {
1008
-		$fullPath = $this->getFullPath($path);
1009
-		$mountPointConfig = $this->mount->getOption('encrypt', true);
1010
-		if ($mountPointConfig === false) {
1011
-			return false;
1012
-		}
1013
-
1014
-		try {
1015
-			$encryptionModule = $this->getEncryptionModule($fullPath);
1016
-		} catch (ModuleDoesNotExistsException $e) {
1017
-			return false;
1018
-		}
1019
-
1020
-		if ($encryptionModule === null) {
1021
-			$encryptionModule = $this->encryptionManager->getEncryptionModule();
1022
-		}
1023
-
1024
-		return $encryptionModule->shouldEncrypt($fullPath);
1025
-
1026
-	}
51
+    use LocalTempFileTrait;
52
+
53
+    /** @var string */
54
+    private $mountPoint;
55
+
56
+    /** @var \OC\Encryption\Util */
57
+    private $util;
58
+
59
+    /** @var \OCP\Encryption\IManager */
60
+    private $encryptionManager;
61
+
62
+    /** @var \OCP\ILogger */
63
+    private $logger;
64
+
65
+    /** @var string */
66
+    private $uid;
67
+
68
+    /** @var array */
69
+    protected $unencryptedSize;
70
+
71
+    /** @var \OCP\Encryption\IFile */
72
+    private $fileHelper;
73
+
74
+    /** @var IMountPoint */
75
+    private $mount;
76
+
77
+    /** @var IStorage */
78
+    private $keyStorage;
79
+
80
+    /** @var Update */
81
+    private $update;
82
+
83
+    /** @var Manager */
84
+    private $mountManager;
85
+
86
+    /** @var array remember for which path we execute the repair step to avoid recursions */
87
+    private $fixUnencryptedSizeOf = array();
88
+
89
+    /** @var  ArrayCache */
90
+    private $arrayCache;
91
+
92
+    /**
93
+     * @param array $parameters
94
+     * @param IManager $encryptionManager
95
+     * @param Util $util
96
+     * @param ILogger $logger
97
+     * @param IFile $fileHelper
98
+     * @param string $uid
99
+     * @param IStorage $keyStorage
100
+     * @param Update $update
101
+     * @param Manager $mountManager
102
+     * @param ArrayCache $arrayCache
103
+     */
104
+    public function __construct(
105
+            $parameters,
106
+            IManager $encryptionManager = null,
107
+            Util $util = null,
108
+            ILogger $logger = null,
109
+            IFile $fileHelper = null,
110
+            $uid = null,
111
+            IStorage $keyStorage = null,
112
+            Update $update = null,
113
+            Manager $mountManager = null,
114
+            ArrayCache $arrayCache = null
115
+        ) {
116
+
117
+        $this->mountPoint = $parameters['mountPoint'];
118
+        $this->mount = $parameters['mount'];
119
+        $this->encryptionManager = $encryptionManager;
120
+        $this->util = $util;
121
+        $this->logger = $logger;
122
+        $this->uid = $uid;
123
+        $this->fileHelper = $fileHelper;
124
+        $this->keyStorage = $keyStorage;
125
+        $this->unencryptedSize = array();
126
+        $this->update = $update;
127
+        $this->mountManager = $mountManager;
128
+        $this->arrayCache = $arrayCache;
129
+        parent::__construct($parameters);
130
+    }
131
+
132
+    /**
133
+     * see http://php.net/manual/en/function.filesize.php
134
+     * The result for filesize when called on a folder is required to be 0
135
+     *
136
+     * @param string $path
137
+     * @return int
138
+     */
139
+    public function filesize($path) {
140
+        $fullPath = $this->getFullPath($path);
141
+
142
+        /** @var CacheEntry $info */
143
+        $info = $this->getCache()->get($path);
144
+        if (isset($this->unencryptedSize[$fullPath])) {
145
+            $size = $this->unencryptedSize[$fullPath];
146
+            // update file cache
147
+            if ($info instanceof ICacheEntry) {
148
+                $info = $info->getData();
149
+                $info['encrypted'] = $info['encryptedVersion'];
150
+            } else {
151
+                if (!is_array($info)) {
152
+                    $info = [];
153
+                }
154
+                $info['encrypted'] = true;
155
+            }
156
+
157
+            $info['size'] = $size;
158
+            $this->getCache()->put($path, $info);
159
+
160
+            return $size;
161
+        }
162
+
163
+        if (isset($info['fileid']) && $info['encrypted']) {
164
+            return $this->verifyUnencryptedSize($path, $info['size']);
165
+        }
166
+
167
+        return $this->storage->filesize($path);
168
+    }
169
+
170
+    /**
171
+     * @param string $path
172
+     * @return array
173
+     */
174
+    public function getMetaData($path) {
175
+        $data = $this->storage->getMetaData($path);
176
+        if (is_null($data)) {
177
+            return null;
178
+        }
179
+        $fullPath = $this->getFullPath($path);
180
+        $info = $this->getCache()->get($path);
181
+
182
+        if (isset($this->unencryptedSize[$fullPath])) {
183
+            $data['encrypted'] = true;
184
+            $data['size'] = $this->unencryptedSize[$fullPath];
185
+        } else {
186
+            if (isset($info['fileid']) && $info['encrypted']) {
187
+                $data['size'] = $this->verifyUnencryptedSize($path, $info['size']);
188
+                $data['encrypted'] = true;
189
+            }
190
+        }
191
+
192
+        if (isset($info['encryptedVersion']) && $info['encryptedVersion'] > 1) {
193
+            $data['encryptedVersion'] = $info['encryptedVersion'];
194
+        }
195
+
196
+        return $data;
197
+    }
198
+
199
+    /**
200
+     * see http://php.net/manual/en/function.file_get_contents.php
201
+     *
202
+     * @param string $path
203
+     * @return string
204
+     */
205
+    public function file_get_contents($path) {
206
+
207
+        $encryptionModule = $this->getEncryptionModule($path);
208
+
209
+        if ($encryptionModule) {
210
+            $handle = $this->fopen($path, "r");
211
+            if (!$handle) {
212
+                return false;
213
+            }
214
+            $data = stream_get_contents($handle);
215
+            fclose($handle);
216
+            return $data;
217
+        }
218
+        return $this->storage->file_get_contents($path);
219
+    }
220
+
221
+    /**
222
+     * see http://php.net/manual/en/function.file_put_contents.php
223
+     *
224
+     * @param string $path
225
+     * @param string $data
226
+     * @return bool
227
+     */
228
+    public function file_put_contents($path, $data) {
229
+        // file put content will always be translated to a stream write
230
+        $handle = $this->fopen($path, 'w');
231
+        if (is_resource($handle)) {
232
+            $written = fwrite($handle, $data);
233
+            fclose($handle);
234
+            return $written;
235
+        }
236
+
237
+        return false;
238
+    }
239
+
240
+    /**
241
+     * see http://php.net/manual/en/function.unlink.php
242
+     *
243
+     * @param string $path
244
+     * @return bool
245
+     */
246
+    public function unlink($path) {
247
+        $fullPath = $this->getFullPath($path);
248
+        if ($this->util->isExcluded($fullPath)) {
249
+            return $this->storage->unlink($path);
250
+        }
251
+
252
+        $encryptionModule = $this->getEncryptionModule($path);
253
+        if ($encryptionModule) {
254
+            $this->keyStorage->deleteAllFileKeys($this->getFullPath($path));
255
+        }
256
+
257
+        return $this->storage->unlink($path);
258
+    }
259
+
260
+    /**
261
+     * see http://php.net/manual/en/function.rename.php
262
+     *
263
+     * @param string $path1
264
+     * @param string $path2
265
+     * @return bool
266
+     */
267
+    public function rename($path1, $path2) {
268
+
269
+        $result = $this->storage->rename($path1, $path2);
270
+
271
+        if ($result &&
272
+            // versions always use the keys from the original file, so we can skip
273
+            // this step for versions
274
+            $this->isVersion($path2) === false &&
275
+            $this->encryptionManager->isEnabled()) {
276
+            $source = $this->getFullPath($path1);
277
+            if (!$this->util->isExcluded($source)) {
278
+                $target = $this->getFullPath($path2);
279
+                if (isset($this->unencryptedSize[$source])) {
280
+                    $this->unencryptedSize[$target] = $this->unencryptedSize[$source];
281
+                }
282
+                $this->keyStorage->renameKeys($source, $target);
283
+                $module = $this->getEncryptionModule($path2);
284
+                if ($module) {
285
+                    $module->update($target, $this->uid, []);
286
+                }
287
+            }
288
+        }
289
+
290
+        return $result;
291
+    }
292
+
293
+    /**
294
+     * see http://php.net/manual/en/function.rmdir.php
295
+     *
296
+     * @param string $path
297
+     * @return bool
298
+     */
299
+    public function rmdir($path) {
300
+        $result = $this->storage->rmdir($path);
301
+        $fullPath = $this->getFullPath($path);
302
+        if ($result &&
303
+            $this->util->isExcluded($fullPath) === false &&
304
+            $this->encryptionManager->isEnabled()
305
+        ) {
306
+            $this->keyStorage->deleteAllFileKeys($fullPath);
307
+        }
308
+
309
+        return $result;
310
+    }
311
+
312
+    /**
313
+     * check if a file can be read
314
+     *
315
+     * @param string $path
316
+     * @return bool
317
+     */
318
+    public function isReadable($path) {
319
+
320
+        $isReadable = true;
321
+
322
+        $metaData = $this->getMetaData($path);
323
+        if (
324
+            !$this->is_dir($path) &&
325
+            isset($metaData['encrypted']) &&
326
+            $metaData['encrypted'] === true
327
+        ) {
328
+            $fullPath = $this->getFullPath($path);
329
+            $module = $this->getEncryptionModule($path);
330
+            $isReadable = $module->isReadable($fullPath, $this->uid);
331
+        }
332
+
333
+        return $this->storage->isReadable($path) && $isReadable;
334
+    }
335
+
336
+    /**
337
+     * see http://php.net/manual/en/function.copy.php
338
+     *
339
+     * @param string $path1
340
+     * @param string $path2
341
+     * @return bool
342
+     */
343
+    public function copy($path1, $path2) {
344
+
345
+        $source = $this->getFullPath($path1);
346
+
347
+        if ($this->util->isExcluded($source)) {
348
+            return $this->storage->copy($path1, $path2);
349
+        }
350
+
351
+        // need to stream copy file by file in case we copy between a encrypted
352
+        // and a unencrypted storage
353
+        $this->unlink($path2);
354
+        return $this->copyFromStorage($this, $path1, $path2);
355
+    }
356
+
357
+    /**
358
+     * see http://php.net/manual/en/function.fopen.php
359
+     *
360
+     * @param string $path
361
+     * @param string $mode
362
+     * @return resource|bool
363
+     * @throws GenericEncryptionException
364
+     * @throws ModuleDoesNotExistsException
365
+     */
366
+    public function fopen($path, $mode) {
367
+
368
+        // check if the file is stored in the array cache, this means that we
369
+        // copy a file over to the versions folder, in this case we don't want to
370
+        // decrypt it
371
+        if ($this->arrayCache->hasKey('encryption_copy_version_' . $path)) {
372
+            $this->arrayCache->remove('encryption_copy_version_' . $path);
373
+            return $this->storage->fopen($path, $mode);
374
+        }
375
+
376
+        $encryptionEnabled = $this->encryptionManager->isEnabled();
377
+        $shouldEncrypt = false;
378
+        $encryptionModule = null;
379
+        $header = $this->getHeader($path);
380
+        $signed = isset($header['signed']) && $header['signed'] === 'true';
381
+        $fullPath = $this->getFullPath($path);
382
+        $encryptionModuleId = $this->util->getEncryptionModuleId($header);
383
+
384
+        if ($this->util->isExcluded($fullPath) === false) {
385
+
386
+            $size = $unencryptedSize = 0;
387
+            $realFile = $this->util->stripPartialFileExtension($path);
388
+            $targetExists = $this->file_exists($realFile) || $this->file_exists($path);
389
+            $targetIsEncrypted = false;
390
+            if ($targetExists) {
391
+                // in case the file exists we require the explicit module as
392
+                // specified in the file header - otherwise we need to fail hard to
393
+                // prevent data loss on client side
394
+                if (!empty($encryptionModuleId)) {
395
+                    $targetIsEncrypted = true;
396
+                    $encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
397
+                }
398
+
399
+                if ($this->file_exists($path)) {
400
+                    $size = $this->storage->filesize($path);
401
+                    $unencryptedSize = $this->filesize($path);
402
+                } else {
403
+                    $size = $unencryptedSize = 0;
404
+                }
405
+            }
406
+
407
+            try {
408
+
409
+                if (
410
+                    $mode === 'w'
411
+                    || $mode === 'w+'
412
+                    || $mode === 'wb'
413
+                    || $mode === 'wb+'
414
+                ) {
415
+                    // don't overwrite encrypted files if encryption is not enabled
416
+                    if ($targetIsEncrypted && $encryptionEnabled === false) {
417
+                        throw new GenericEncryptionException('Tried to access encrypted file but encryption is not enabled');
418
+                    }
419
+                    if ($encryptionEnabled) {
420
+                        // if $encryptionModuleId is empty, the default module will be used
421
+                        $encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
422
+                        $shouldEncrypt = $encryptionModule->shouldEncrypt($fullPath);
423
+                        $signed = true;
424
+                    }
425
+                } else {
426
+                    $info = $this->getCache()->get($path);
427
+                    // only get encryption module if we found one in the header
428
+                    // or if file should be encrypted according to the file cache
429
+                    if (!empty($encryptionModuleId)) {
430
+                        $encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
431
+                        $shouldEncrypt = true;
432
+                    } else if (empty($encryptionModuleId) && $info['encrypted'] === true) {
433
+                        // we come from a old installation. No header and/or no module defined
434
+                        // but the file is encrypted. In this case we need to use the
435
+                        // OC_DEFAULT_MODULE to read the file
436
+                        $encryptionModule = $this->encryptionManager->getEncryptionModule('OC_DEFAULT_MODULE');
437
+                        $shouldEncrypt = true;
438
+                        $targetIsEncrypted = true;
439
+                    }
440
+                }
441
+            } catch (ModuleDoesNotExistsException $e) {
442
+                $this->logger->logException($e, [
443
+                    'message' => 'Encryption module "' . $encryptionModuleId . '" not found, file will be stored unencrypted',
444
+                    'level' => ILogger::WARN,
445
+                    'app' => 'core',
446
+                ]);
447
+            }
448
+
449
+            // encryption disabled on write of new file and write to existing unencrypted file -> don't encrypt
450
+            if (!$encryptionEnabled || !$this->shouldEncrypt($path)) {
451
+                if (!$targetExists || !$targetIsEncrypted) {
452
+                    $shouldEncrypt = false;
453
+                }
454
+            }
455
+
456
+            if ($shouldEncrypt === true && $encryptionModule !== null) {
457
+                $headerSize = $this->getHeaderSize($path);
458
+                $source = $this->storage->fopen($path, $mode);
459
+                if (!is_resource($source)) {
460
+                    return false;
461
+                }
462
+                $handle = \OC\Files\Stream\Encryption::wrap($source, $path, $fullPath, $header,
463
+                    $this->uid, $encryptionModule, $this->storage, $this, $this->util, $this->fileHelper, $mode,
464
+                    $size, $unencryptedSize, $headerSize, $signed);
465
+                return $handle;
466
+            }
467
+
468
+        }
469
+
470
+        return $this->storage->fopen($path, $mode);
471
+    }
472
+
473
+
474
+    /**
475
+     * perform some plausibility checks if the the unencrypted size is correct.
476
+     * If not, we calculate the correct unencrypted size and return it
477
+     *
478
+     * @param string $path internal path relative to the storage root
479
+     * @param int $unencryptedSize size of the unencrypted file
480
+     *
481
+     * @return int unencrypted size
482
+     */
483
+    protected function verifyUnencryptedSize($path, $unencryptedSize) {
484
+
485
+        $size = $this->storage->filesize($path);
486
+        $result = $unencryptedSize;
487
+
488
+        if ($unencryptedSize < 0 ||
489
+            ($size > 0 && $unencryptedSize === $size)
490
+        ) {
491
+            // check if we already calculate the unencrypted size for the
492
+            // given path to avoid recursions
493
+            if (isset($this->fixUnencryptedSizeOf[$this->getFullPath($path)]) === false) {
494
+                $this->fixUnencryptedSizeOf[$this->getFullPath($path)] = true;
495
+                try {
496
+                    $result = $this->fixUnencryptedSize($path, $size, $unencryptedSize);
497
+                } catch (\Exception $e) {
498
+                    $this->logger->error('Couldn\'t re-calculate unencrypted size for '. $path);
499
+                    $this->logger->logException($e);
500
+                }
501
+                unset($this->fixUnencryptedSizeOf[$this->getFullPath($path)]);
502
+            }
503
+        }
504
+
505
+        return $result;
506
+    }
507
+
508
+    /**
509
+     * calculate the unencrypted size
510
+     *
511
+     * @param string $path internal path relative to the storage root
512
+     * @param int $size size of the physical file
513
+     * @param int $unencryptedSize size of the unencrypted file
514
+     *
515
+     * @return int calculated unencrypted size
516
+     */
517
+    protected function fixUnencryptedSize($path, $size, $unencryptedSize) {
518
+
519
+        $headerSize = $this->getHeaderSize($path);
520
+        $header = $this->getHeader($path);
521
+        $encryptionModule = $this->getEncryptionModule($path);
522
+
523
+        $stream = $this->storage->fopen($path, 'r');
524
+
525
+        // if we couldn't open the file we return the old unencrypted size
526
+        if (!is_resource($stream)) {
527
+            $this->logger->error('Could not open ' . $path . '. Recalculation of unencrypted size aborted.');
528
+            return $unencryptedSize;
529
+        }
530
+
531
+        $newUnencryptedSize = 0;
532
+        $size -= $headerSize;
533
+        $blockSize = $this->util->getBlockSize();
534
+
535
+        // if a header exists we skip it
536
+        if ($headerSize > 0) {
537
+            fread($stream, $headerSize);
538
+        }
539
+
540
+        // fast path, else the calculation for $lastChunkNr is bogus
541
+        if ($size === 0) {
542
+            return 0;
543
+        }
544
+
545
+        $signed = isset($header['signed']) && $header['signed'] === 'true';
546
+        $unencryptedBlockSize = $encryptionModule->getUnencryptedBlockSize($signed);
547
+
548
+        // calculate last chunk nr
549
+        // next highest is end of chunks, one subtracted is last one
550
+        // we have to read the last chunk, we can't just calculate it (because of padding etc)
551
+
552
+        $lastChunkNr = ceil($size/ $blockSize)-1;
553
+        // calculate last chunk position
554
+        $lastChunkPos = ($lastChunkNr * $blockSize);
555
+        // try to fseek to the last chunk, if it fails we have to read the whole file
556
+        if (@fseek($stream, $lastChunkPos, SEEK_CUR) === 0) {
557
+            $newUnencryptedSize += $lastChunkNr * $unencryptedBlockSize;
558
+        }
559
+
560
+        $lastChunkContentEncrypted='';
561
+        $count = $blockSize;
562
+
563
+        while ($count > 0) {
564
+            $data=fread($stream, $blockSize);
565
+            $count=strlen($data);
566
+            $lastChunkContentEncrypted .= $data;
567
+            if(strlen($lastChunkContentEncrypted) > $blockSize) {
568
+                $newUnencryptedSize += $unencryptedBlockSize;
569
+                $lastChunkContentEncrypted=substr($lastChunkContentEncrypted, $blockSize);
570
+            }
571
+        }
572
+
573
+        fclose($stream);
574
+
575
+        // we have to decrypt the last chunk to get it actual size
576
+        $encryptionModule->begin($this->getFullPath($path), $this->uid, 'r', $header, []);
577
+        $decryptedLastChunk = $encryptionModule->decrypt($lastChunkContentEncrypted, $lastChunkNr . 'end');
578
+        $decryptedLastChunk .= $encryptionModule->end($this->getFullPath($path), $lastChunkNr . 'end');
579
+
580
+        // calc the real file size with the size of the last chunk
581
+        $newUnencryptedSize += strlen($decryptedLastChunk);
582
+
583
+        $this->updateUnencryptedSize($this->getFullPath($path), $newUnencryptedSize);
584
+
585
+        // write to cache if applicable
586
+        $cache = $this->storage->getCache();
587
+        if ($cache) {
588
+            $entry = $cache->get($path);
589
+            $cache->update($entry['fileid'], ['size' => $newUnencryptedSize]);
590
+        }
591
+
592
+        return $newUnencryptedSize;
593
+    }
594
+
595
+    /**
596
+     * @param Storage\IStorage $sourceStorage
597
+     * @param string $sourceInternalPath
598
+     * @param string $targetInternalPath
599
+     * @param bool $preserveMtime
600
+     * @return bool
601
+     */
602
+    public function moveFromStorage(Storage\IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = true) {
603
+        if ($sourceStorage === $this) {
604
+            return $this->rename($sourceInternalPath, $targetInternalPath);
605
+        }
606
+
607
+        // TODO clean this up once the underlying moveFromStorage in OC\Files\Storage\Wrapper\Common is fixed:
608
+        // - call $this->storage->moveFromStorage() instead of $this->copyBetweenStorage
609
+        // - copy the file cache update from  $this->copyBetweenStorage to this method
610
+        // - copy the copyKeys() call from  $this->copyBetweenStorage to this method
611
+        // - remove $this->copyBetweenStorage
612
+
613
+        if (!$sourceStorage->isDeletable($sourceInternalPath)) {
614
+            return false;
615
+        }
616
+
617
+        $result = $this->copyBetweenStorage($sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime, true);
618
+        if ($result) {
619
+            if ($sourceStorage->is_dir($sourceInternalPath)) {
620
+                $result &= $sourceStorage->rmdir($sourceInternalPath);
621
+            } else {
622
+                $result &= $sourceStorage->unlink($sourceInternalPath);
623
+            }
624
+        }
625
+        return $result;
626
+    }
627
+
628
+
629
+    /**
630
+     * @param Storage\IStorage $sourceStorage
631
+     * @param string $sourceInternalPath
632
+     * @param string $targetInternalPath
633
+     * @param bool $preserveMtime
634
+     * @param bool $isRename
635
+     * @return bool
636
+     */
637
+    public function copyFromStorage(Storage\IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false, $isRename = false) {
638
+
639
+        // TODO clean this up once the underlying moveFromStorage in OC\Files\Storage\Wrapper\Common is fixed:
640
+        // - call $this->storage->copyFromStorage() instead of $this->copyBetweenStorage
641
+        // - copy the file cache update from  $this->copyBetweenStorage to this method
642
+        // - copy the copyKeys() call from  $this->copyBetweenStorage to this method
643
+        // - remove $this->copyBetweenStorage
644
+
645
+        return $this->copyBetweenStorage($sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime, $isRename);
646
+    }
647
+
648
+    /**
649
+     * Update the encrypted cache version in the database
650
+     *
651
+     * @param Storage\IStorage $sourceStorage
652
+     * @param string $sourceInternalPath
653
+     * @param string $targetInternalPath
654
+     * @param bool $isRename
655
+     * @param bool $keepEncryptionVersion
656
+     */
657
+    private function updateEncryptedVersion(Storage\IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $isRename, $keepEncryptionVersion) {
658
+        $isEncrypted = $this->encryptionManager->isEnabled() && $this->shouldEncrypt($targetInternalPath);
659
+        $cacheInformation = [
660
+            'encrypted' => $isEncrypted,
661
+        ];
662
+        if($isEncrypted) {
663
+            $encryptedVersion = $sourceStorage->getCache()->get($sourceInternalPath)['encryptedVersion'];
664
+
665
+            // In case of a move operation from an unencrypted to an encrypted
666
+            // storage the old encrypted version would stay with "0" while the
667
+            // correct value would be "1". Thus we manually set the value to "1"
668
+            // for those cases.
669
+            // See also https://github.com/owncloud/core/issues/23078
670
+            if($encryptedVersion === 0 || !$keepEncryptionVersion) {
671
+                $encryptedVersion = 1;
672
+            }
673
+
674
+            $cacheInformation['encryptedVersion'] = $encryptedVersion;
675
+        }
676
+
677
+        // in case of a rename we need to manipulate the source cache because
678
+        // this information will be kept for the new target
679
+        if ($isRename) {
680
+            $sourceStorage->getCache()->put($sourceInternalPath, $cacheInformation);
681
+        } else {
682
+            $this->getCache()->put($targetInternalPath, $cacheInformation);
683
+        }
684
+    }
685
+
686
+    /**
687
+     * copy file between two storages
688
+     *
689
+     * @param Storage\IStorage $sourceStorage
690
+     * @param string $sourceInternalPath
691
+     * @param string $targetInternalPath
692
+     * @param bool $preserveMtime
693
+     * @param bool $isRename
694
+     * @return bool
695
+     * @throws \Exception
696
+     */
697
+    private function copyBetweenStorage(Storage\IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime, $isRename) {
698
+
699
+        // for versions we have nothing to do, because versions should always use the
700
+        // key from the original file. Just create a 1:1 copy and done
701
+        if ($this->isVersion($targetInternalPath) ||
702
+            $this->isVersion($sourceInternalPath)) {
703
+            // remember that we try to create a version so that we can detect it during
704
+            // fopen($sourceInternalPath) and by-pass the encryption in order to
705
+            // create a 1:1 copy of the file
706
+            $this->arrayCache->set('encryption_copy_version_' . $sourceInternalPath, true);
707
+            $result = $this->storage->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
708
+            $this->arrayCache->remove('encryption_copy_version_' . $sourceInternalPath);
709
+            if ($result) {
710
+                $info = $this->getCache('', $sourceStorage)->get($sourceInternalPath);
711
+                // make sure that we update the unencrypted size for the version
712
+                if (isset($info['encrypted']) && $info['encrypted'] === true) {
713
+                    $this->updateUnencryptedSize(
714
+                        $this->getFullPath($targetInternalPath),
715
+                        $info['size']
716
+                    );
717
+                }
718
+                $this->updateEncryptedVersion($sourceStorage, $sourceInternalPath, $targetInternalPath, $isRename, true);
719
+            }
720
+            return $result;
721
+        }
722
+
723
+        // first copy the keys that we reuse the existing file key on the target location
724
+        // and don't create a new one which would break versions for example.
725
+        $mount = $this->mountManager->findByStorageId($sourceStorage->getId());
726
+        if (count($mount) === 1) {
727
+            $mountPoint = $mount[0]->getMountPoint();
728
+            $source = $mountPoint . '/' . $sourceInternalPath;
729
+            $target = $this->getFullPath($targetInternalPath);
730
+            $this->copyKeys($source, $target);
731
+        } else {
732
+            $this->logger->error('Could not find mount point, can\'t keep encryption keys');
733
+        }
734
+
735
+        if ($sourceStorage->is_dir($sourceInternalPath)) {
736
+            $dh = $sourceStorage->opendir($sourceInternalPath);
737
+            $result = $this->mkdir($targetInternalPath);
738
+            if (is_resource($dh)) {
739
+                while ($result and ($file = readdir($dh)) !== false) {
740
+                    if (!Filesystem::isIgnoredDir($file)) {
741
+                        $result &= $this->copyFromStorage($sourceStorage, $sourceInternalPath . '/' . $file, $targetInternalPath . '/' . $file, false, $isRename);
742
+                    }
743
+                }
744
+            }
745
+        } else {
746
+            try {
747
+                $source = $sourceStorage->fopen($sourceInternalPath, 'r');
748
+                $target = $this->fopen($targetInternalPath, 'w');
749
+                list(, $result) = \OC_Helper::streamCopy($source, $target);
750
+                fclose($source);
751
+                fclose($target);
752
+            } catch (\Exception $e) {
753
+                fclose($source);
754
+                fclose($target);
755
+                throw $e;
756
+            }
757
+            if($result) {
758
+                if ($preserveMtime) {
759
+                    $this->touch($targetInternalPath, $sourceStorage->filemtime($sourceInternalPath));
760
+                }
761
+                $this->updateEncryptedVersion($sourceStorage, $sourceInternalPath, $targetInternalPath, $isRename, false);
762
+            } else {
763
+                // delete partially written target file
764
+                $this->unlink($targetInternalPath);
765
+                // delete cache entry that was created by fopen
766
+                $this->getCache()->remove($targetInternalPath);
767
+            }
768
+        }
769
+        return (bool)$result;
770
+
771
+    }
772
+
773
+    /**
774
+     * get the path to a local version of the file.
775
+     * The local version of the file can be temporary and doesn't have to be persistent across requests
776
+     *
777
+     * @param string $path
778
+     * @return string
779
+     */
780
+    public function getLocalFile($path) {
781
+        if ($this->encryptionManager->isEnabled()) {
782
+            $cachedFile = $this->getCachedFile($path);
783
+            if (is_string($cachedFile)) {
784
+                return $cachedFile;
785
+            }
786
+        }
787
+        return $this->storage->getLocalFile($path);
788
+    }
789
+
790
+    /**
791
+     * Returns the wrapped storage's value for isLocal()
792
+     *
793
+     * @return bool wrapped storage's isLocal() value
794
+     */
795
+    public function isLocal() {
796
+        if ($this->encryptionManager->isEnabled()) {
797
+            return false;
798
+        }
799
+        return $this->storage->isLocal();
800
+    }
801
+
802
+    /**
803
+     * see http://php.net/manual/en/function.stat.php
804
+     * only the following keys are required in the result: size and mtime
805
+     *
806
+     * @param string $path
807
+     * @return array
808
+     */
809
+    public function stat($path) {
810
+        $stat = $this->storage->stat($path);
811
+        $fileSize = $this->filesize($path);
812
+        $stat['size'] = $fileSize;
813
+        $stat[7] = $fileSize;
814
+        return $stat;
815
+    }
816
+
817
+    /**
818
+     * see http://php.net/manual/en/function.hash.php
819
+     *
820
+     * @param string $type
821
+     * @param string $path
822
+     * @param bool $raw
823
+     * @return string
824
+     */
825
+    public function hash($type, $path, $raw = false) {
826
+        $fh = $this->fopen($path, 'rb');
827
+        $ctx = hash_init($type);
828
+        hash_update_stream($ctx, $fh);
829
+        fclose($fh);
830
+        return hash_final($ctx, $raw);
831
+    }
832
+
833
+    /**
834
+     * return full path, including mount point
835
+     *
836
+     * @param string $path relative to mount point
837
+     * @return string full path including mount point
838
+     */
839
+    protected function getFullPath($path) {
840
+        return Filesystem::normalizePath($this->mountPoint . '/' . $path);
841
+    }
842
+
843
+    /**
844
+     * read first block of encrypted file, typically this will contain the
845
+     * encryption header
846
+     *
847
+     * @param string $path
848
+     * @return string
849
+     */
850
+    protected function readFirstBlock($path) {
851
+        $firstBlock = '';
852
+        if ($this->storage->file_exists($path)) {
853
+            $handle = $this->storage->fopen($path, 'r');
854
+            $firstBlock = fread($handle, $this->util->getHeaderSize());
855
+            fclose($handle);
856
+        }
857
+        return $firstBlock;
858
+    }
859
+
860
+    /**
861
+     * return header size of given file
862
+     *
863
+     * @param string $path
864
+     * @return int
865
+     */
866
+    protected function getHeaderSize($path) {
867
+        $headerSize = 0;
868
+        $realFile = $this->util->stripPartialFileExtension($path);
869
+        if ($this->storage->file_exists($realFile)) {
870
+            $path = $realFile;
871
+        }
872
+        $firstBlock = $this->readFirstBlock($path);
873
+
874
+        if (substr($firstBlock, 0, strlen(Util::HEADER_START)) === Util::HEADER_START) {
875
+            $headerSize = $this->util->getHeaderSize();
876
+        }
877
+
878
+        return $headerSize;
879
+    }
880
+
881
+    /**
882
+     * parse raw header to array
883
+     *
884
+     * @param string $rawHeader
885
+     * @return array
886
+     */
887
+    protected function parseRawHeader($rawHeader) {
888
+        $result = array();
889
+        if (substr($rawHeader, 0, strlen(Util::HEADER_START)) === Util::HEADER_START) {
890
+            $header = $rawHeader;
891
+            $endAt = strpos($header, Util::HEADER_END);
892
+            if ($endAt !== false) {
893
+                $header = substr($header, 0, $endAt + strlen(Util::HEADER_END));
894
+
895
+                // +1 to not start with an ':' which would result in empty element at the beginning
896
+                $exploded = explode(':', substr($header, strlen(Util::HEADER_START)+1));
897
+
898
+                $element = array_shift($exploded);
899
+                while ($element !== Util::HEADER_END) {
900
+                    $result[$element] = array_shift($exploded);
901
+                    $element = array_shift($exploded);
902
+                }
903
+            }
904
+        }
905
+
906
+        return $result;
907
+    }
908
+
909
+    /**
910
+     * read header from file
911
+     *
912
+     * @param string $path
913
+     * @return array
914
+     */
915
+    protected function getHeader($path) {
916
+        $realFile = $this->util->stripPartialFileExtension($path);
917
+        $exists = $this->storage->file_exists($realFile);
918
+        if ($exists) {
919
+            $path = $realFile;
920
+        }
921
+
922
+        $firstBlock = $this->readFirstBlock($path);
923
+        $result = $this->parseRawHeader($firstBlock);
924
+
925
+        // if the header doesn't contain a encryption module we check if it is a
926
+        // legacy file. If true, we add the default encryption module
927
+        if (!isset($result[Util::HEADER_ENCRYPTION_MODULE_KEY])) {
928
+            if (!empty($result)) {
929
+                $result[Util::HEADER_ENCRYPTION_MODULE_KEY] = 'OC_DEFAULT_MODULE';
930
+            } else if ($exists) {
931
+                // if the header was empty we have to check first if it is a encrypted file at all
932
+                // We would do query to filecache only if we know that entry in filecache exists
933
+                $info = $this->getCache()->get($path);
934
+                if (isset($info['encrypted']) && $info['encrypted'] === true) {
935
+                    $result[Util::HEADER_ENCRYPTION_MODULE_KEY] = 'OC_DEFAULT_MODULE';
936
+                }
937
+            }
938
+        }
939
+
940
+        return $result;
941
+    }
942
+
943
+    /**
944
+     * read encryption module needed to read/write the file located at $path
945
+     *
946
+     * @param string $path
947
+     * @return null|\OCP\Encryption\IEncryptionModule
948
+     * @throws ModuleDoesNotExistsException
949
+     * @throws \Exception
950
+     */
951
+    protected function getEncryptionModule($path) {
952
+        $encryptionModule = null;
953
+        $header = $this->getHeader($path);
954
+        $encryptionModuleId = $this->util->getEncryptionModuleId($header);
955
+        if (!empty($encryptionModuleId)) {
956
+            try {
957
+                $encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
958
+            } catch (ModuleDoesNotExistsException $e) {
959
+                $this->logger->critical('Encryption module defined in "' . $path . '" not loaded!');
960
+                throw $e;
961
+            }
962
+        }
963
+
964
+        return $encryptionModule;
965
+    }
966
+
967
+    /**
968
+     * @param string $path
969
+     * @param int $unencryptedSize
970
+     */
971
+    public function updateUnencryptedSize($path, $unencryptedSize) {
972
+        $this->unencryptedSize[$path] = $unencryptedSize;
973
+    }
974
+
975
+    /**
976
+     * copy keys to new location
977
+     *
978
+     * @param string $source path relative to data/
979
+     * @param string $target path relative to data/
980
+     * @return bool
981
+     */
982
+    protected function copyKeys($source, $target) {
983
+        if (!$this->util->isExcluded($source)) {
984
+            return $this->keyStorage->copyKeys($source, $target);
985
+        }
986
+
987
+        return false;
988
+    }
989
+
990
+    /**
991
+     * check if path points to a files version
992
+     *
993
+     * @param $path
994
+     * @return bool
995
+     */
996
+    protected function isVersion($path) {
997
+        $normalized = Filesystem::normalizePath($path);
998
+        return substr($normalized, 0, strlen('/files_versions/')) === '/files_versions/';
999
+    }
1000
+
1001
+    /**
1002
+     * check if the given storage should be encrypted or not
1003
+     *
1004
+     * @param $path
1005
+     * @return bool
1006
+     */
1007
+    protected function shouldEncrypt($path) {
1008
+        $fullPath = $this->getFullPath($path);
1009
+        $mountPointConfig = $this->mount->getOption('encrypt', true);
1010
+        if ($mountPointConfig === false) {
1011
+            return false;
1012
+        }
1013
+
1014
+        try {
1015
+            $encryptionModule = $this->getEncryptionModule($fullPath);
1016
+        } catch (ModuleDoesNotExistsException $e) {
1017
+            return false;
1018
+        }
1019
+
1020
+        if ($encryptionModule === null) {
1021
+            $encryptionModule = $this->encryptionManager->getEncryptionModule();
1022
+        }
1023
+
1024
+        return $encryptionModule->shouldEncrypt($fullPath);
1025
+
1026
+    }
1027 1027
 
1028 1028
 }
Please login to merge, or discard this patch.
Spacing   +24 added lines, -24 removed lines patch added patch discarded remove patch
@@ -368,8 +368,8 @@  discard block
 block discarded – undo
368 368
 		// check if the file is stored in the array cache, this means that we
369 369
 		// copy a file over to the versions folder, in this case we don't want to
370 370
 		// decrypt it
371
-		if ($this->arrayCache->hasKey('encryption_copy_version_' . $path)) {
372
-			$this->arrayCache->remove('encryption_copy_version_' . $path);
371
+		if ($this->arrayCache->hasKey('encryption_copy_version_'.$path)) {
372
+			$this->arrayCache->remove('encryption_copy_version_'.$path);
373 373
 			return $this->storage->fopen($path, $mode);
374 374
 		}
375 375
 
@@ -440,7 +440,7 @@  discard block
 block discarded – undo
440 440
 				}
441 441
 			} catch (ModuleDoesNotExistsException $e) {
442 442
 				$this->logger->logException($e, [
443
-					'message' => 'Encryption module "' . $encryptionModuleId . '" not found, file will be stored unencrypted',
443
+					'message' => 'Encryption module "'.$encryptionModuleId.'" not found, file will be stored unencrypted',
444 444
 					'level' => ILogger::WARN,
445 445
 					'app' => 'core',
446 446
 				]);
@@ -495,7 +495,7 @@  discard block
 block discarded – undo
495 495
 				try {
496 496
 					$result = $this->fixUnencryptedSize($path, $size, $unencryptedSize);
497 497
 				} catch (\Exception $e) {
498
-					$this->logger->error('Couldn\'t re-calculate unencrypted size for '. $path);
498
+					$this->logger->error('Couldn\'t re-calculate unencrypted size for '.$path);
499 499
 					$this->logger->logException($e);
500 500
 				}
501 501
 				unset($this->fixUnencryptedSizeOf[$this->getFullPath($path)]);
@@ -524,7 +524,7 @@  discard block
 block discarded – undo
524 524
 
525 525
 		// if we couldn't open the file we return the old unencrypted size
526 526
 		if (!is_resource($stream)) {
527
-			$this->logger->error('Could not open ' . $path . '. Recalculation of unencrypted size aborted.');
527
+			$this->logger->error('Could not open '.$path.'. Recalculation of unencrypted size aborted.');
528 528
 			return $unencryptedSize;
529 529
 		}
530 530
 
@@ -549,7 +549,7 @@  discard block
 block discarded – undo
549 549
 		// next highest is end of chunks, one subtracted is last one
550 550
 		// we have to read the last chunk, we can't just calculate it (because of padding etc)
551 551
 
552
-		$lastChunkNr = ceil($size/ $blockSize)-1;
552
+		$lastChunkNr = ceil($size / $blockSize) - 1;
553 553
 		// calculate last chunk position
554 554
 		$lastChunkPos = ($lastChunkNr * $blockSize);
555 555
 		// try to fseek to the last chunk, if it fails we have to read the whole file
@@ -557,16 +557,16 @@  discard block
 block discarded – undo
557 557
 			$newUnencryptedSize += $lastChunkNr * $unencryptedBlockSize;
558 558
 		}
559 559
 
560
-		$lastChunkContentEncrypted='';
560
+		$lastChunkContentEncrypted = '';
561 561
 		$count = $blockSize;
562 562
 
563 563
 		while ($count > 0) {
564
-			$data=fread($stream, $blockSize);
565
-			$count=strlen($data);
564
+			$data = fread($stream, $blockSize);
565
+			$count = strlen($data);
566 566
 			$lastChunkContentEncrypted .= $data;
567
-			if(strlen($lastChunkContentEncrypted) > $blockSize) {
567
+			if (strlen($lastChunkContentEncrypted) > $blockSize) {
568 568
 				$newUnencryptedSize += $unencryptedBlockSize;
569
-				$lastChunkContentEncrypted=substr($lastChunkContentEncrypted, $blockSize);
569
+				$lastChunkContentEncrypted = substr($lastChunkContentEncrypted, $blockSize);
570 570
 			}
571 571
 		}
572 572
 
@@ -574,8 +574,8 @@  discard block
 block discarded – undo
574 574
 
575 575
 		// we have to decrypt the last chunk to get it actual size
576 576
 		$encryptionModule->begin($this->getFullPath($path), $this->uid, 'r', $header, []);
577
-		$decryptedLastChunk = $encryptionModule->decrypt($lastChunkContentEncrypted, $lastChunkNr . 'end');
578
-		$decryptedLastChunk .= $encryptionModule->end($this->getFullPath($path), $lastChunkNr . 'end');
577
+		$decryptedLastChunk = $encryptionModule->decrypt($lastChunkContentEncrypted, $lastChunkNr.'end');
578
+		$decryptedLastChunk .= $encryptionModule->end($this->getFullPath($path), $lastChunkNr.'end');
579 579
 
580 580
 		// calc the real file size with the size of the last chunk
581 581
 		$newUnencryptedSize += strlen($decryptedLastChunk);
@@ -659,7 +659,7 @@  discard block
 block discarded – undo
659 659
 		$cacheInformation = [
660 660
 			'encrypted' => $isEncrypted,
661 661
 		];
662
-		if($isEncrypted) {
662
+		if ($isEncrypted) {
663 663
 			$encryptedVersion = $sourceStorage->getCache()->get($sourceInternalPath)['encryptedVersion'];
664 664
 
665 665
 			// In case of a move operation from an unencrypted to an encrypted
@@ -667,7 +667,7 @@  discard block
 block discarded – undo
667 667
 			// correct value would be "1". Thus we manually set the value to "1"
668 668
 			// for those cases.
669 669
 			// See also https://github.com/owncloud/core/issues/23078
670
-			if($encryptedVersion === 0 || !$keepEncryptionVersion) {
670
+			if ($encryptedVersion === 0 || !$keepEncryptionVersion) {
671 671
 				$encryptedVersion = 1;
672 672
 			}
673 673
 
@@ -703,9 +703,9 @@  discard block
 block discarded – undo
703 703
 			// remember that we try to create a version so that we can detect it during
704 704
 			// fopen($sourceInternalPath) and by-pass the encryption in order to
705 705
 			// create a 1:1 copy of the file
706
-			$this->arrayCache->set('encryption_copy_version_' . $sourceInternalPath, true);
706
+			$this->arrayCache->set('encryption_copy_version_'.$sourceInternalPath, true);
707 707
 			$result = $this->storage->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
708
-			$this->arrayCache->remove('encryption_copy_version_' . $sourceInternalPath);
708
+			$this->arrayCache->remove('encryption_copy_version_'.$sourceInternalPath);
709 709
 			if ($result) {
710 710
 				$info = $this->getCache('', $sourceStorage)->get($sourceInternalPath);
711 711
 				// make sure that we update the unencrypted size for the version
@@ -725,7 +725,7 @@  discard block
 block discarded – undo
725 725
 		$mount = $this->mountManager->findByStorageId($sourceStorage->getId());
726 726
 		if (count($mount) === 1) {
727 727
 			$mountPoint = $mount[0]->getMountPoint();
728
-			$source = $mountPoint . '/' . $sourceInternalPath;
728
+			$source = $mountPoint.'/'.$sourceInternalPath;
729 729
 			$target = $this->getFullPath($targetInternalPath);
730 730
 			$this->copyKeys($source, $target);
731 731
 		} else {
@@ -738,7 +738,7 @@  discard block
 block discarded – undo
738 738
 			if (is_resource($dh)) {
739 739
 				while ($result and ($file = readdir($dh)) !== false) {
740 740
 					if (!Filesystem::isIgnoredDir($file)) {
741
-						$result &= $this->copyFromStorage($sourceStorage, $sourceInternalPath . '/' . $file, $targetInternalPath . '/' . $file, false, $isRename);
741
+						$result &= $this->copyFromStorage($sourceStorage, $sourceInternalPath.'/'.$file, $targetInternalPath.'/'.$file, false, $isRename);
742 742
 					}
743 743
 				}
744 744
 			}
@@ -754,7 +754,7 @@  discard block
 block discarded – undo
754 754
 				fclose($target);
755 755
 				throw $e;
756 756
 			}
757
-			if($result) {
757
+			if ($result) {
758 758
 				if ($preserveMtime) {
759 759
 					$this->touch($targetInternalPath, $sourceStorage->filemtime($sourceInternalPath));
760 760
 				}
@@ -766,7 +766,7 @@  discard block
 block discarded – undo
766 766
 				$this->getCache()->remove($targetInternalPath);
767 767
 			}
768 768
 		}
769
-		return (bool)$result;
769
+		return (bool) $result;
770 770
 
771 771
 	}
772 772
 
@@ -837,7 +837,7 @@  discard block
 block discarded – undo
837 837
 	 * @return string full path including mount point
838 838
 	 */
839 839
 	protected function getFullPath($path) {
840
-		return Filesystem::normalizePath($this->mountPoint . '/' . $path);
840
+		return Filesystem::normalizePath($this->mountPoint.'/'.$path);
841 841
 	}
842 842
 
843 843
 	/**
@@ -893,7 +893,7 @@  discard block
 block discarded – undo
893 893
 				$header = substr($header, 0, $endAt + strlen(Util::HEADER_END));
894 894
 
895 895
 				// +1 to not start with an ':' which would result in empty element at the beginning
896
-				$exploded = explode(':', substr($header, strlen(Util::HEADER_START)+1));
896
+				$exploded = explode(':', substr($header, strlen(Util::HEADER_START) + 1));
897 897
 
898 898
 				$element = array_shift($exploded);
899 899
 				while ($element !== Util::HEADER_END) {
@@ -956,7 +956,7 @@  discard block
 block discarded – undo
956 956
 			try {
957 957
 				$encryptionModule = $this->encryptionManager->getEncryptionModule($encryptionModuleId);
958 958
 			} catch (ModuleDoesNotExistsException $e) {
959
-				$this->logger->critical('Encryption module defined in "' . $path . '" not loaded!');
959
+				$this->logger->critical('Encryption module defined in "'.$path.'" not loaded!');
960 960
 				throw $e;
961 961
 			}
962 962
 		}
Please login to merge, or discard this patch.
lib/private/Files/Storage/Local.php 2 patches
Indentation   +414 added lines, -414 removed lines patch added patch discarded remove patch
@@ -48,418 +48,418 @@
 block discarded – undo
48 48
  * for local filestore, we only have to map the paths
49 49
  */
50 50
 class Local extends \OC\Files\Storage\Common {
51
-	protected $datadir;
52
-
53
-	protected $dataDirLength;
54
-
55
-	protected $allowSymlinks = false;
56
-
57
-	protected $realDataDir;
58
-
59
-	public function __construct($arguments) {
60
-		if (!isset($arguments['datadir']) || !is_string($arguments['datadir'])) {
61
-			throw new \InvalidArgumentException('No data directory set for local storage');
62
-		}
63
-		$this->datadir = str_replace('//', '/', $arguments['datadir']);
64
-		// some crazy code uses a local storage on root...
65
-		if ($this->datadir === '/') {
66
-			$this->realDataDir = $this->datadir;
67
-		} else {
68
-			$realPath = realpath($this->datadir) ?: $this->datadir;
69
-			$this->realDataDir = rtrim($realPath, '/') . '/';
70
-		}
71
-		if (substr($this->datadir, -1) !== '/') {
72
-			$this->datadir .= '/';
73
-		}
74
-		$this->dataDirLength = strlen($this->realDataDir);
75
-	}
76
-
77
-	public function __destruct() {
78
-	}
79
-
80
-	public function getId() {
81
-		return 'local::' . $this->datadir;
82
-	}
83
-
84
-	public function mkdir($path) {
85
-		return @mkdir($this->getSourcePath($path), 0777, true);
86
-	}
87
-
88
-	public function rmdir($path) {
89
-		if (!$this->isDeletable($path)) {
90
-			return false;
91
-		}
92
-		try {
93
-			$it = new \RecursiveIteratorIterator(
94
-				new \RecursiveDirectoryIterator($this->getSourcePath($path)),
95
-				\RecursiveIteratorIterator::CHILD_FIRST
96
-			);
97
-			/**
98
-			 * RecursiveDirectoryIterator on an NFS path isn't iterable with foreach
99
-			 * This bug is fixed in PHP 5.5.9 or before
100
-			 * See #8376
101
-			 */
102
-			$it->rewind();
103
-			while ($it->valid()) {
104
-				/**
105
-				 * @var \SplFileInfo $file
106
-				 */
107
-				$file = $it->current();
108
-				if (in_array($file->getBasename(), array('.', '..'))) {
109
-					$it->next();
110
-					continue;
111
-				} elseif ($file->isDir()) {
112
-					rmdir($file->getPathname());
113
-				} elseif ($file->isFile() || $file->isLink()) {
114
-					unlink($file->getPathname());
115
-				}
116
-				$it->next();
117
-			}
118
-			return rmdir($this->getSourcePath($path));
119
-		} catch (\UnexpectedValueException $e) {
120
-			return false;
121
-		}
122
-	}
123
-
124
-	public function opendir($path) {
125
-		return opendir($this->getSourcePath($path));
126
-	}
127
-
128
-	public function is_dir($path) {
129
-		if (substr($path, -1) == '/') {
130
-			$path = substr($path, 0, -1);
131
-		}
132
-		return is_dir($this->getSourcePath($path));
133
-	}
134
-
135
-	public function is_file($path) {
136
-		return is_file($this->getSourcePath($path));
137
-	}
138
-
139
-	public function stat($path) {
140
-		clearstatcache();
141
-		$fullPath = $this->getSourcePath($path);
142
-		$statResult = stat($fullPath);
143
-		if (PHP_INT_SIZE === 4 && !$this->is_dir($path)) {
144
-			$filesize = $this->filesize($path);
145
-			$statResult['size'] = $filesize;
146
-			$statResult[7] = $filesize;
147
-		}
148
-		return $statResult;
149
-	}
150
-
151
-	public function filetype($path) {
152
-		$filetype = filetype($this->getSourcePath($path));
153
-		if ($filetype == 'link') {
154
-			$filetype = filetype(realpath($this->getSourcePath($path)));
155
-		}
156
-		return $filetype;
157
-	}
158
-
159
-	public function filesize($path) {
160
-		if ($this->is_dir($path)) {
161
-			return 0;
162
-		}
163
-		$fullPath = $this->getSourcePath($path);
164
-		if (PHP_INT_SIZE === 4) {
165
-			$helper = new \OC\LargeFileHelper;
166
-			return $helper->getFileSize($fullPath);
167
-		}
168
-		return filesize($fullPath);
169
-	}
170
-
171
-	public function isReadable($path) {
172
-		return is_readable($this->getSourcePath($path));
173
-	}
174
-
175
-	public function isUpdatable($path) {
176
-		return is_writable($this->getSourcePath($path));
177
-	}
178
-
179
-	public function file_exists($path) {
180
-		return file_exists($this->getSourcePath($path));
181
-	}
182
-
183
-	public function filemtime($path) {
184
-		$fullPath = $this->getSourcePath($path);
185
-		clearstatcache(true, $fullPath);
186
-		if (!$this->file_exists($path)) {
187
-			return false;
188
-		}
189
-		if (PHP_INT_SIZE === 4) {
190
-			$helper = new \OC\LargeFileHelper();
191
-			return $helper->getFileMtime($fullPath);
192
-		}
193
-		return filemtime($fullPath);
194
-	}
195
-
196
-	public function touch($path, $mtime = null) {
197
-		// sets the modification time of the file to the given value.
198
-		// If mtime is nil the current time is set.
199
-		// note that the access time of the file always changes to the current time.
200
-		if ($this->file_exists($path) and !$this->isUpdatable($path)) {
201
-			return false;
202
-		}
203
-		if (!is_null($mtime)) {
204
-			$result = touch($this->getSourcePath($path), $mtime);
205
-		} else {
206
-			$result = touch($this->getSourcePath($path));
207
-		}
208
-		if ($result) {
209
-			clearstatcache(true, $this->getSourcePath($path));
210
-		}
211
-
212
-		return $result;
213
-	}
214
-
215
-	public function file_get_contents($path) {
216
-		return file_get_contents($this->getSourcePath($path));
217
-	}
218
-
219
-	public function file_put_contents($path, $data) {
220
-		return file_put_contents($this->getSourcePath($path), $data);
221
-	}
222
-
223
-	public function unlink($path) {
224
-		if ($this->is_dir($path)) {
225
-			return $this->rmdir($path);
226
-		} else if ($this->is_file($path)) {
227
-			return unlink($this->getSourcePath($path));
228
-		} else {
229
-			return false;
230
-		}
231
-
232
-	}
233
-
234
-	public function rename($path1, $path2) {
235
-		$srcParent = dirname($path1);
236
-		$dstParent = dirname($path2);
237
-
238
-		if (!$this->isUpdatable($srcParent)) {
239
-			\OCP\Util::writeLog('core', 'unable to rename, source directory is not writable : ' . $srcParent, ILogger::ERROR);
240
-			return false;
241
-		}
242
-
243
-		if (!$this->isUpdatable($dstParent)) {
244
-			\OCP\Util::writeLog('core', 'unable to rename, destination directory is not writable : ' . $dstParent, ILogger::ERROR);
245
-			return false;
246
-		}
247
-
248
-		if (!$this->file_exists($path1)) {
249
-			\OCP\Util::writeLog('core', 'unable to rename, file does not exists : ' . $path1, ILogger::ERROR);
250
-			return false;
251
-		}
252
-
253
-		if ($this->is_dir($path2)) {
254
-			$this->rmdir($path2);
255
-		} else if ($this->is_file($path2)) {
256
-			$this->unlink($path2);
257
-		}
258
-
259
-		if ($this->is_dir($path1)) {
260
-			// we can't move folders across devices, use copy instead
261
-			$stat1 = stat(dirname($this->getSourcePath($path1)));
262
-			$stat2 = stat(dirname($this->getSourcePath($path2)));
263
-			if ($stat1['dev'] !== $stat2['dev']) {
264
-				$result = $this->copy($path1, $path2);
265
-				if ($result) {
266
-					$result &= $this->rmdir($path1);
267
-				}
268
-				return $result;
269
-			}
270
-		}
271
-
272
-		return rename($this->getSourcePath($path1), $this->getSourcePath($path2));
273
-	}
274
-
275
-	public function copy($path1, $path2) {
276
-		if ($this->is_dir($path1)) {
277
-			return parent::copy($path1, $path2);
278
-		} else {
279
-			return copy($this->getSourcePath($path1), $this->getSourcePath($path2));
280
-		}
281
-	}
282
-
283
-	public function fopen($path, $mode) {
284
-		return fopen($this->getSourcePath($path), $mode);
285
-	}
286
-
287
-	public function hash($type, $path, $raw = false) {
288
-		return hash_file($type, $this->getSourcePath($path), $raw);
289
-	}
290
-
291
-	public function free_space($path) {
292
-		$sourcePath = $this->getSourcePath($path);
293
-		// using !is_dir because $sourcePath might be a part file or
294
-		// non-existing file, so we'd still want to use the parent dir
295
-		// in such cases
296
-		if (!is_dir($sourcePath)) {
297
-			// disk_free_space doesn't work on files
298
-			$sourcePath = dirname($sourcePath);
299
-		}
300
-		$space = @disk_free_space($sourcePath);
301
-		if ($space === false || is_null($space)) {
302
-			return \OCP\Files\FileInfo::SPACE_UNKNOWN;
303
-		}
304
-		return $space;
305
-	}
306
-
307
-	public function search($query) {
308
-		return $this->searchInDir($query);
309
-	}
310
-
311
-	public function getLocalFile($path) {
312
-		return $this->getSourcePath($path);
313
-	}
314
-
315
-	public function getLocalFolder($path) {
316
-		return $this->getSourcePath($path);
317
-	}
318
-
319
-	/**
320
-	 * @param string $query
321
-	 * @param string $dir
322
-	 * @return array
323
-	 */
324
-	protected function searchInDir($query, $dir = '') {
325
-		$files = array();
326
-		$physicalDir = $this->getSourcePath($dir);
327
-		foreach (scandir($physicalDir) as $item) {
328
-			if (\OC\Files\Filesystem::isIgnoredDir($item))
329
-				continue;
330
-			$physicalItem = $physicalDir . '/' . $item;
331
-
332
-			if (strstr(strtolower($item), strtolower($query)) !== false) {
333
-				$files[] = $dir . '/' . $item;
334
-			}
335
-			if (is_dir($physicalItem)) {
336
-				$files = array_merge($files, $this->searchInDir($query, $dir . '/' . $item));
337
-			}
338
-		}
339
-		return $files;
340
-	}
341
-
342
-	/**
343
-	 * check if a file or folder has been updated since $time
344
-	 *
345
-	 * @param string $path
346
-	 * @param int $time
347
-	 * @return bool
348
-	 */
349
-	public function hasUpdated($path, $time) {
350
-		if ($this->file_exists($path)) {
351
-			return $this->filemtime($path) > $time;
352
-		} else {
353
-			return true;
354
-		}
355
-	}
356
-
357
-	/**
358
-	 * Get the source path (on disk) of a given path
359
-	 *
360
-	 * @param string $path
361
-	 * @return string
362
-	 * @throws ForbiddenException
363
-	 */
364
-	public function getSourcePath($path) {
365
-		$fullPath = $this->datadir . $path;
366
-		$currentPath = $path;
367
-		if ($this->allowSymlinks || $currentPath === '') {
368
-			return $fullPath;
369
-		}
370
-		$pathToResolve = $fullPath;
371
-		$realPath = realpath($pathToResolve);
372
-		while ($realPath === false) { // for non existing files check the parent directory
373
-			$currentPath = dirname($currentPath);
374
-			if ($currentPath === '' || $currentPath === '.') {
375
-				return $fullPath;
376
-			}
377
-			$realPath = realpath($this->datadir . $currentPath);
378
-		}
379
-		if ($realPath) {
380
-			$realPath = $realPath . '/';
381
-		}
382
-		if (substr($realPath, 0, $this->dataDirLength) === $this->realDataDir) {
383
-			return $fullPath;
384
-		}
385
-
386
-		\OCP\Util::writeLog('core', "Following symlinks is not allowed ('$fullPath' -> '$realPath' not inside '{$this->realDataDir}')", ILogger::ERROR);
387
-		throw new ForbiddenException('Following symlinks is not allowed', false);
388
-	}
389
-
390
-	/**
391
-	 * {@inheritdoc}
392
-	 */
393
-	public function isLocal() {
394
-		return true;
395
-	}
396
-
397
-	/**
398
-	 * get the ETag for a file or folder
399
-	 *
400
-	 * @param string $path
401
-	 * @return string
402
-	 */
403
-	public function getETag($path) {
404
-		if ($this->is_file($path)) {
405
-			$stat = $this->stat($path);
406
-			return md5(
407
-				$stat['mtime'] .
408
-				$stat['ino'] .
409
-				$stat['dev'] .
410
-				$stat['size']
411
-			);
412
-		} else {
413
-			return parent::getETag($path);
414
-		}
415
-	}
416
-
417
-	/**
418
-	 * @param IStorage $sourceStorage
419
-	 * @param string $sourceInternalPath
420
-	 * @param string $targetInternalPath
421
-	 * @param bool $preserveMtime
422
-	 * @return bool
423
-	 */
424
-	public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false) {
425
-		if ($sourceStorage->instanceOfStorage(Local::class)) {
426
-			if ($sourceStorage->instanceOfStorage(Jail::class)) {
427
-				/**
428
-				 * @var \OC\Files\Storage\Wrapper\Jail $sourceStorage
429
-				 */
430
-				$sourceInternalPath = $sourceStorage->getUnjailedPath($sourceInternalPath);
431
-			}
432
-			/**
433
-			 * @var \OC\Files\Storage\Local $sourceStorage
434
-			 */
435
-			$rootStorage = new Local(['datadir' => '/']);
436
-			return $rootStorage->copy($sourceStorage->getSourcePath($sourceInternalPath), $this->getSourcePath($targetInternalPath));
437
-		} else {
438
-			return parent::copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
439
-		}
440
-	}
441
-
442
-	/**
443
-	 * @param IStorage $sourceStorage
444
-	 * @param string $sourceInternalPath
445
-	 * @param string $targetInternalPath
446
-	 * @return bool
447
-	 */
448
-	public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
449
-		if ($sourceStorage->instanceOfStorage(Local::class)) {
450
-			if ($sourceStorage->instanceOfStorage(Jail::class)) {
451
-				/**
452
-				 * @var \OC\Files\Storage\Wrapper\Jail $sourceStorage
453
-				 */
454
-				$sourceInternalPath = $sourceStorage->getUnjailedPath($sourceInternalPath);
455
-			}
456
-			/**
457
-			 * @var \OC\Files\Storage\Local $sourceStorage
458
-			 */
459
-			$rootStorage = new Local(['datadir' => '/']);
460
-			return $rootStorage->rename($sourceStorage->getSourcePath($sourceInternalPath), $this->getSourcePath($targetInternalPath));
461
-		} else {
462
-			return parent::moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
463
-		}
464
-	}
51
+    protected $datadir;
52
+
53
+    protected $dataDirLength;
54
+
55
+    protected $allowSymlinks = false;
56
+
57
+    protected $realDataDir;
58
+
59
+    public function __construct($arguments) {
60
+        if (!isset($arguments['datadir']) || !is_string($arguments['datadir'])) {
61
+            throw new \InvalidArgumentException('No data directory set for local storage');
62
+        }
63
+        $this->datadir = str_replace('//', '/', $arguments['datadir']);
64
+        // some crazy code uses a local storage on root...
65
+        if ($this->datadir === '/') {
66
+            $this->realDataDir = $this->datadir;
67
+        } else {
68
+            $realPath = realpath($this->datadir) ?: $this->datadir;
69
+            $this->realDataDir = rtrim($realPath, '/') . '/';
70
+        }
71
+        if (substr($this->datadir, -1) !== '/') {
72
+            $this->datadir .= '/';
73
+        }
74
+        $this->dataDirLength = strlen($this->realDataDir);
75
+    }
76
+
77
+    public function __destruct() {
78
+    }
79
+
80
+    public function getId() {
81
+        return 'local::' . $this->datadir;
82
+    }
83
+
84
+    public function mkdir($path) {
85
+        return @mkdir($this->getSourcePath($path), 0777, true);
86
+    }
87
+
88
+    public function rmdir($path) {
89
+        if (!$this->isDeletable($path)) {
90
+            return false;
91
+        }
92
+        try {
93
+            $it = new \RecursiveIteratorIterator(
94
+                new \RecursiveDirectoryIterator($this->getSourcePath($path)),
95
+                \RecursiveIteratorIterator::CHILD_FIRST
96
+            );
97
+            /**
98
+             * RecursiveDirectoryIterator on an NFS path isn't iterable with foreach
99
+             * This bug is fixed in PHP 5.5.9 or before
100
+             * See #8376
101
+             */
102
+            $it->rewind();
103
+            while ($it->valid()) {
104
+                /**
105
+                 * @var \SplFileInfo $file
106
+                 */
107
+                $file = $it->current();
108
+                if (in_array($file->getBasename(), array('.', '..'))) {
109
+                    $it->next();
110
+                    continue;
111
+                } elseif ($file->isDir()) {
112
+                    rmdir($file->getPathname());
113
+                } elseif ($file->isFile() || $file->isLink()) {
114
+                    unlink($file->getPathname());
115
+                }
116
+                $it->next();
117
+            }
118
+            return rmdir($this->getSourcePath($path));
119
+        } catch (\UnexpectedValueException $e) {
120
+            return false;
121
+        }
122
+    }
123
+
124
+    public function opendir($path) {
125
+        return opendir($this->getSourcePath($path));
126
+    }
127
+
128
+    public function is_dir($path) {
129
+        if (substr($path, -1) == '/') {
130
+            $path = substr($path, 0, -1);
131
+        }
132
+        return is_dir($this->getSourcePath($path));
133
+    }
134
+
135
+    public function is_file($path) {
136
+        return is_file($this->getSourcePath($path));
137
+    }
138
+
139
+    public function stat($path) {
140
+        clearstatcache();
141
+        $fullPath = $this->getSourcePath($path);
142
+        $statResult = stat($fullPath);
143
+        if (PHP_INT_SIZE === 4 && !$this->is_dir($path)) {
144
+            $filesize = $this->filesize($path);
145
+            $statResult['size'] = $filesize;
146
+            $statResult[7] = $filesize;
147
+        }
148
+        return $statResult;
149
+    }
150
+
151
+    public function filetype($path) {
152
+        $filetype = filetype($this->getSourcePath($path));
153
+        if ($filetype == 'link') {
154
+            $filetype = filetype(realpath($this->getSourcePath($path)));
155
+        }
156
+        return $filetype;
157
+    }
158
+
159
+    public function filesize($path) {
160
+        if ($this->is_dir($path)) {
161
+            return 0;
162
+        }
163
+        $fullPath = $this->getSourcePath($path);
164
+        if (PHP_INT_SIZE === 4) {
165
+            $helper = new \OC\LargeFileHelper;
166
+            return $helper->getFileSize($fullPath);
167
+        }
168
+        return filesize($fullPath);
169
+    }
170
+
171
+    public function isReadable($path) {
172
+        return is_readable($this->getSourcePath($path));
173
+    }
174
+
175
+    public function isUpdatable($path) {
176
+        return is_writable($this->getSourcePath($path));
177
+    }
178
+
179
+    public function file_exists($path) {
180
+        return file_exists($this->getSourcePath($path));
181
+    }
182
+
183
+    public function filemtime($path) {
184
+        $fullPath = $this->getSourcePath($path);
185
+        clearstatcache(true, $fullPath);
186
+        if (!$this->file_exists($path)) {
187
+            return false;
188
+        }
189
+        if (PHP_INT_SIZE === 4) {
190
+            $helper = new \OC\LargeFileHelper();
191
+            return $helper->getFileMtime($fullPath);
192
+        }
193
+        return filemtime($fullPath);
194
+    }
195
+
196
+    public function touch($path, $mtime = null) {
197
+        // sets the modification time of the file to the given value.
198
+        // If mtime is nil the current time is set.
199
+        // note that the access time of the file always changes to the current time.
200
+        if ($this->file_exists($path) and !$this->isUpdatable($path)) {
201
+            return false;
202
+        }
203
+        if (!is_null($mtime)) {
204
+            $result = touch($this->getSourcePath($path), $mtime);
205
+        } else {
206
+            $result = touch($this->getSourcePath($path));
207
+        }
208
+        if ($result) {
209
+            clearstatcache(true, $this->getSourcePath($path));
210
+        }
211
+
212
+        return $result;
213
+    }
214
+
215
+    public function file_get_contents($path) {
216
+        return file_get_contents($this->getSourcePath($path));
217
+    }
218
+
219
+    public function file_put_contents($path, $data) {
220
+        return file_put_contents($this->getSourcePath($path), $data);
221
+    }
222
+
223
+    public function unlink($path) {
224
+        if ($this->is_dir($path)) {
225
+            return $this->rmdir($path);
226
+        } else if ($this->is_file($path)) {
227
+            return unlink($this->getSourcePath($path));
228
+        } else {
229
+            return false;
230
+        }
231
+
232
+    }
233
+
234
+    public function rename($path1, $path2) {
235
+        $srcParent = dirname($path1);
236
+        $dstParent = dirname($path2);
237
+
238
+        if (!$this->isUpdatable($srcParent)) {
239
+            \OCP\Util::writeLog('core', 'unable to rename, source directory is not writable : ' . $srcParent, ILogger::ERROR);
240
+            return false;
241
+        }
242
+
243
+        if (!$this->isUpdatable($dstParent)) {
244
+            \OCP\Util::writeLog('core', 'unable to rename, destination directory is not writable : ' . $dstParent, ILogger::ERROR);
245
+            return false;
246
+        }
247
+
248
+        if (!$this->file_exists($path1)) {
249
+            \OCP\Util::writeLog('core', 'unable to rename, file does not exists : ' . $path1, ILogger::ERROR);
250
+            return false;
251
+        }
252
+
253
+        if ($this->is_dir($path2)) {
254
+            $this->rmdir($path2);
255
+        } else if ($this->is_file($path2)) {
256
+            $this->unlink($path2);
257
+        }
258
+
259
+        if ($this->is_dir($path1)) {
260
+            // we can't move folders across devices, use copy instead
261
+            $stat1 = stat(dirname($this->getSourcePath($path1)));
262
+            $stat2 = stat(dirname($this->getSourcePath($path2)));
263
+            if ($stat1['dev'] !== $stat2['dev']) {
264
+                $result = $this->copy($path1, $path2);
265
+                if ($result) {
266
+                    $result &= $this->rmdir($path1);
267
+                }
268
+                return $result;
269
+            }
270
+        }
271
+
272
+        return rename($this->getSourcePath($path1), $this->getSourcePath($path2));
273
+    }
274
+
275
+    public function copy($path1, $path2) {
276
+        if ($this->is_dir($path1)) {
277
+            return parent::copy($path1, $path2);
278
+        } else {
279
+            return copy($this->getSourcePath($path1), $this->getSourcePath($path2));
280
+        }
281
+    }
282
+
283
+    public function fopen($path, $mode) {
284
+        return fopen($this->getSourcePath($path), $mode);
285
+    }
286
+
287
+    public function hash($type, $path, $raw = false) {
288
+        return hash_file($type, $this->getSourcePath($path), $raw);
289
+    }
290
+
291
+    public function free_space($path) {
292
+        $sourcePath = $this->getSourcePath($path);
293
+        // using !is_dir because $sourcePath might be a part file or
294
+        // non-existing file, so we'd still want to use the parent dir
295
+        // in such cases
296
+        if (!is_dir($sourcePath)) {
297
+            // disk_free_space doesn't work on files
298
+            $sourcePath = dirname($sourcePath);
299
+        }
300
+        $space = @disk_free_space($sourcePath);
301
+        if ($space === false || is_null($space)) {
302
+            return \OCP\Files\FileInfo::SPACE_UNKNOWN;
303
+        }
304
+        return $space;
305
+    }
306
+
307
+    public function search($query) {
308
+        return $this->searchInDir($query);
309
+    }
310
+
311
+    public function getLocalFile($path) {
312
+        return $this->getSourcePath($path);
313
+    }
314
+
315
+    public function getLocalFolder($path) {
316
+        return $this->getSourcePath($path);
317
+    }
318
+
319
+    /**
320
+     * @param string $query
321
+     * @param string $dir
322
+     * @return array
323
+     */
324
+    protected function searchInDir($query, $dir = '') {
325
+        $files = array();
326
+        $physicalDir = $this->getSourcePath($dir);
327
+        foreach (scandir($physicalDir) as $item) {
328
+            if (\OC\Files\Filesystem::isIgnoredDir($item))
329
+                continue;
330
+            $physicalItem = $physicalDir . '/' . $item;
331
+
332
+            if (strstr(strtolower($item), strtolower($query)) !== false) {
333
+                $files[] = $dir . '/' . $item;
334
+            }
335
+            if (is_dir($physicalItem)) {
336
+                $files = array_merge($files, $this->searchInDir($query, $dir . '/' . $item));
337
+            }
338
+        }
339
+        return $files;
340
+    }
341
+
342
+    /**
343
+     * check if a file or folder has been updated since $time
344
+     *
345
+     * @param string $path
346
+     * @param int $time
347
+     * @return bool
348
+     */
349
+    public function hasUpdated($path, $time) {
350
+        if ($this->file_exists($path)) {
351
+            return $this->filemtime($path) > $time;
352
+        } else {
353
+            return true;
354
+        }
355
+    }
356
+
357
+    /**
358
+     * Get the source path (on disk) of a given path
359
+     *
360
+     * @param string $path
361
+     * @return string
362
+     * @throws ForbiddenException
363
+     */
364
+    public function getSourcePath($path) {
365
+        $fullPath = $this->datadir . $path;
366
+        $currentPath = $path;
367
+        if ($this->allowSymlinks || $currentPath === '') {
368
+            return $fullPath;
369
+        }
370
+        $pathToResolve = $fullPath;
371
+        $realPath = realpath($pathToResolve);
372
+        while ($realPath === false) { // for non existing files check the parent directory
373
+            $currentPath = dirname($currentPath);
374
+            if ($currentPath === '' || $currentPath === '.') {
375
+                return $fullPath;
376
+            }
377
+            $realPath = realpath($this->datadir . $currentPath);
378
+        }
379
+        if ($realPath) {
380
+            $realPath = $realPath . '/';
381
+        }
382
+        if (substr($realPath, 0, $this->dataDirLength) === $this->realDataDir) {
383
+            return $fullPath;
384
+        }
385
+
386
+        \OCP\Util::writeLog('core', "Following symlinks is not allowed ('$fullPath' -> '$realPath' not inside '{$this->realDataDir}')", ILogger::ERROR);
387
+        throw new ForbiddenException('Following symlinks is not allowed', false);
388
+    }
389
+
390
+    /**
391
+     * {@inheritdoc}
392
+     */
393
+    public function isLocal() {
394
+        return true;
395
+    }
396
+
397
+    /**
398
+     * get the ETag for a file or folder
399
+     *
400
+     * @param string $path
401
+     * @return string
402
+     */
403
+    public function getETag($path) {
404
+        if ($this->is_file($path)) {
405
+            $stat = $this->stat($path);
406
+            return md5(
407
+                $stat['mtime'] .
408
+                $stat['ino'] .
409
+                $stat['dev'] .
410
+                $stat['size']
411
+            );
412
+        } else {
413
+            return parent::getETag($path);
414
+        }
415
+    }
416
+
417
+    /**
418
+     * @param IStorage $sourceStorage
419
+     * @param string $sourceInternalPath
420
+     * @param string $targetInternalPath
421
+     * @param bool $preserveMtime
422
+     * @return bool
423
+     */
424
+    public function copyFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath, $preserveMtime = false) {
425
+        if ($sourceStorage->instanceOfStorage(Local::class)) {
426
+            if ($sourceStorage->instanceOfStorage(Jail::class)) {
427
+                /**
428
+                 * @var \OC\Files\Storage\Wrapper\Jail $sourceStorage
429
+                 */
430
+                $sourceInternalPath = $sourceStorage->getUnjailedPath($sourceInternalPath);
431
+            }
432
+            /**
433
+             * @var \OC\Files\Storage\Local $sourceStorage
434
+             */
435
+            $rootStorage = new Local(['datadir' => '/']);
436
+            return $rootStorage->copy($sourceStorage->getSourcePath($sourceInternalPath), $this->getSourcePath($targetInternalPath));
437
+        } else {
438
+            return parent::copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
439
+        }
440
+    }
441
+
442
+    /**
443
+     * @param IStorage $sourceStorage
444
+     * @param string $sourceInternalPath
445
+     * @param string $targetInternalPath
446
+     * @return bool
447
+     */
448
+    public function moveFromStorage(IStorage $sourceStorage, $sourceInternalPath, $targetInternalPath) {
449
+        if ($sourceStorage->instanceOfStorage(Local::class)) {
450
+            if ($sourceStorage->instanceOfStorage(Jail::class)) {
451
+                /**
452
+                 * @var \OC\Files\Storage\Wrapper\Jail $sourceStorage
453
+                 */
454
+                $sourceInternalPath = $sourceStorage->getUnjailedPath($sourceInternalPath);
455
+            }
456
+            /**
457
+             * @var \OC\Files\Storage\Local $sourceStorage
458
+             */
459
+            $rootStorage = new Local(['datadir' => '/']);
460
+            return $rootStorage->rename($sourceStorage->getSourcePath($sourceInternalPath), $this->getSourcePath($targetInternalPath));
461
+        } else {
462
+            return parent::moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
463
+        }
464
+    }
465 465
 }
Please login to merge, or discard this patch.
Spacing   +14 added lines, -14 removed lines patch added patch discarded remove patch
@@ -66,7 +66,7 @@  discard block
 block discarded – undo
66 66
 			$this->realDataDir = $this->datadir;
67 67
 		} else {
68 68
 			$realPath = realpath($this->datadir) ?: $this->datadir;
69
-			$this->realDataDir = rtrim($realPath, '/') . '/';
69
+			$this->realDataDir = rtrim($realPath, '/').'/';
70 70
 		}
71 71
 		if (substr($this->datadir, -1) !== '/') {
72 72
 			$this->datadir .= '/';
@@ -78,7 +78,7 @@  discard block
 block discarded – undo
78 78
 	}
79 79
 
80 80
 	public function getId() {
81
-		return 'local::' . $this->datadir;
81
+		return 'local::'.$this->datadir;
82 82
 	}
83 83
 
84 84
 	public function mkdir($path) {
@@ -236,17 +236,17 @@  discard block
 block discarded – undo
236 236
 		$dstParent = dirname($path2);
237 237
 
238 238
 		if (!$this->isUpdatable($srcParent)) {
239
-			\OCP\Util::writeLog('core', 'unable to rename, source directory is not writable : ' . $srcParent, ILogger::ERROR);
239
+			\OCP\Util::writeLog('core', 'unable to rename, source directory is not writable : '.$srcParent, ILogger::ERROR);
240 240
 			return false;
241 241
 		}
242 242
 
243 243
 		if (!$this->isUpdatable($dstParent)) {
244
-			\OCP\Util::writeLog('core', 'unable to rename, destination directory is not writable : ' . $dstParent, ILogger::ERROR);
244
+			\OCP\Util::writeLog('core', 'unable to rename, destination directory is not writable : '.$dstParent, ILogger::ERROR);
245 245
 			return false;
246 246
 		}
247 247
 
248 248
 		if (!$this->file_exists($path1)) {
249
-			\OCP\Util::writeLog('core', 'unable to rename, file does not exists : ' . $path1, ILogger::ERROR);
249
+			\OCP\Util::writeLog('core', 'unable to rename, file does not exists : '.$path1, ILogger::ERROR);
250 250
 			return false;
251 251
 		}
252 252
 
@@ -327,13 +327,13 @@  discard block
 block discarded – undo
327 327
 		foreach (scandir($physicalDir) as $item) {
328 328
 			if (\OC\Files\Filesystem::isIgnoredDir($item))
329 329
 				continue;
330
-			$physicalItem = $physicalDir . '/' . $item;
330
+			$physicalItem = $physicalDir.'/'.$item;
331 331
 
332 332
 			if (strstr(strtolower($item), strtolower($query)) !== false) {
333
-				$files[] = $dir . '/' . $item;
333
+				$files[] = $dir.'/'.$item;
334 334
 			}
335 335
 			if (is_dir($physicalItem)) {
336
-				$files = array_merge($files, $this->searchInDir($query, $dir . '/' . $item));
336
+				$files = array_merge($files, $this->searchInDir($query, $dir.'/'.$item));
337 337
 			}
338 338
 		}
339 339
 		return $files;
@@ -362,7 +362,7 @@  discard block
 block discarded – undo
362 362
 	 * @throws ForbiddenException
363 363
 	 */
364 364
 	public function getSourcePath($path) {
365
-		$fullPath = $this->datadir . $path;
365
+		$fullPath = $this->datadir.$path;
366 366
 		$currentPath = $path;
367 367
 		if ($this->allowSymlinks || $currentPath === '') {
368 368
 			return $fullPath;
@@ -374,10 +374,10 @@  discard block
 block discarded – undo
374 374
 			if ($currentPath === '' || $currentPath === '.') {
375 375
 				return $fullPath;
376 376
 			}
377
-			$realPath = realpath($this->datadir . $currentPath);
377
+			$realPath = realpath($this->datadir.$currentPath);
378 378
 		}
379 379
 		if ($realPath) {
380
-			$realPath = $realPath . '/';
380
+			$realPath = $realPath.'/';
381 381
 		}
382 382
 		if (substr($realPath, 0, $this->dataDirLength) === $this->realDataDir) {
383 383
 			return $fullPath;
@@ -404,9 +404,9 @@  discard block
 block discarded – undo
404 404
 		if ($this->is_file($path)) {
405 405
 			$stat = $this->stat($path);
406 406
 			return md5(
407
-				$stat['mtime'] .
408
-				$stat['ino'] .
409
-				$stat['dev'] .
407
+				$stat['mtime'].
408
+				$stat['ino'].
409
+				$stat['dev'].
410 410
 				$stat['size']
411 411
 			);
412 412
 		} else {
Please login to merge, or discard this patch.