nextcloud / server

apps/files_external/lib/Lib/Storage/SFTP.php

Unused Use Statements -1 removed lines

@@ -32,7 +32,6 @@
  */
 namespace OCA\Files_External\Lib\Storage;
 use Icewind\Streams\IteratorDirectory;
-
 use Icewind\Streams\RetryWrapper;
 use phpseclib\Net\SFTP\Stream;
 

Indentation +424 added lines, -424 removed lines

@@ -42,428 +42,428 @@
 * provide access to SFTP servers.
 */
 class SFTP extends \OC\Files\Storage\Common {
-	private $host;
-	private $user;
-	private $root;
-	private $port = 22;
-
-	private $auth;
-
-	/**
-	 * @var \phpseclib\Net\SFTP
-	 */
-	protected $client;
-
-	/**
-	 * @param string $host protocol://server:port
-	 * @return array [$server, $port]
-	 */
-	private function splitHost($host) {
-		$input = $host;
-		if (strpos($host, '://') === false) {
-			// add a protocol to fix parse_url behavior with ipv6
-			$host = 'http://' . $host;
-		}
-
-		$parsed = parse_url($host);
-		if(is_array($parsed) && isset($parsed['port'])) {
-			return [$parsed['host'], $parsed['port']];
-		} else if (is_array($parsed)) {
-			return [$parsed['host'], 22];
-		} else {
-			return [$input, 22];
-		}
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function __construct($params) {
-		// Register sftp://
-		Stream::register();
-
-		$parsedHost =  $this->splitHost($params['host']);
-
-		$this->host = $parsedHost[0];
-		$this->port = $parsedHost[1];
-
-		if (!isset($params['user'])) {
-			throw new \UnexpectedValueException('no authentication parameters specified');
-		}
-		$this->user = $params['user'];
-
-		if (isset($params['public_key_auth'])) {
-			$this->auth = $params['public_key_auth'];
-		} elseif (isset($params['password'])) {
-			$this->auth = $params['password'];
-		} else {
-			throw new \UnexpectedValueException('no authentication parameters specified');
-		}
-
-		$this->root
-			= isset($params['root']) ? $this->cleanPath($params['root']) : '/';
-
-		if ($this->root[0] != '/') {
-			 $this->root = '/' . $this->root;
-		}
-
-		if (substr($this->root, -1, 1) != '/') {
-			$this->root .= '/';
-		}
-	}
-
-	/**
-	 * Returns the connection.
-	 *
-	 * @return \phpseclib\Net\SFTP connected client instance
-	 * @throws \Exception when the connection failed
-	 */
-	public function getConnection() {
-		if (!is_null($this->client)) {
-			return $this->client;
-		}
-
-		$hostKeys = $this->readHostKeys();
-		$this->client = new \phpseclib\Net\SFTP($this->host, $this->port);
-
-		// The SSH Host Key MUST be verified before login().
-		$currentHostKey = $this->client->getServerPublicHostKey();
-		if (array_key_exists($this->host, $hostKeys)) {
-			if ($hostKeys[$this->host] != $currentHostKey) {
-				throw new \Exception('Host public key does not match known key');
-			}
-		} else {
-			$hostKeys[$this->host] = $currentHostKey;
-			$this->writeHostKeys($hostKeys);
-		}
-
-		if (!$this->client->login($this->user, $this->auth)) {
-			throw new \Exception('Login failed');
-		}
-		return $this->client;
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function test() {
-		if (
-			!isset($this->host)
-			|| !isset($this->user)
-		) {
-			return false;
-		}
-		return $this->getConnection()->nlist() !== false;
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function getId(){
-		$id = 'sftp::' . $this->user . '@' . $this->host;
-		if ($this->port !== 22) {
-			$id .= ':' . $this->port;
-		}
-		// note: this will double the root slash,
-		// we should not change it to keep compatible with
-		// old storage ids
-		$id .= '/' . $this->root;
-		return $id;
-	}
-
-	/**
-	 * @return string
-	 */
-	public function getHost() {
-		return $this->host;
-	}
-
-	/**
-	 * @return string
-	 */
-	public function getRoot() {
-		return $this->root;
-	}
-
-	/**
-	 * @return mixed
-	 */
-	public function getUser() {
-		return $this->user;
-	}
-
-	/**
-	 * @param string $path
-	 * @return string
-	 */
-	private function absPath($path) {
-		return $this->root . $this->cleanPath($path);
-	}
-
-	/**
-	 * @return string|false
-	 */
-	private function hostKeysPath() {
-		try {
-			$storage_view = \OCP\Files::getStorage('files_external');
-			if ($storage_view) {
-				return \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data') .
-					$storage_view->getAbsolutePath('') .
-					'ssh_hostKeys';
-			}
-		} catch (\Exception $e) {
-		}
-		return false;
-	}
-
-	/**
-	 * @param $keys
-	 * @return bool
-	 */
-	protected function writeHostKeys($keys) {
-		try {
-			$keyPath = $this->hostKeysPath();
-			if ($keyPath && file_exists($keyPath)) {
-				$fp = fopen($keyPath, 'w');
-				foreach ($keys as $host => $key) {
-					fwrite($fp, $host . '::' . $key . "\n");
-				}
-				fclose($fp);
-				return true;
-			}
-		} catch (\Exception $e) {
-		}
-		return false;
-	}
-
-	/**
-	 * @return array
-	 */
-	protected function readHostKeys() {
-		try {
-			$keyPath = $this->hostKeysPath();
-			if (file_exists($keyPath)) {
-				$hosts = array();
-				$keys = array();
-				$lines = file($keyPath, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
-				if ($lines) {
-					foreach ($lines as $line) {
-						$hostKeyArray = explode("::", $line, 2);
-						if (count($hostKeyArray) == 2) {
-							$hosts[] = $hostKeyArray[0];
-							$keys[] = $hostKeyArray[1];
-						}
-					}
-					return array_combine($hosts, $keys);
-				}
-			}
-		} catch (\Exception $e) {
-		}
-		return array();
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function mkdir($path) {
-		try {
-			return $this->getConnection()->mkdir($this->absPath($path));
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function rmdir($path) {
-		try {
-			$result = $this->getConnection()->delete($this->absPath($path), true);
-			// workaround: stray stat cache entry when deleting empty folders
-			// see https://github.com/phpseclib/phpseclib/issues/706
-			$this->getConnection()->clearStatCache();
-			return $result;
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function opendir($path) {
-		try {
-			$list = $this->getConnection()->nlist($this->absPath($path));
-			if ($list === false) {
-				return false;
-			}
-
-			$id = md5('sftp:' . $path);
-			$dirStream = array();
-			foreach($list as $file) {
-				if ($file != '.' && $file != '..') {
-					$dirStream[] = $file;
-				}
-			}
-			return IteratorDirectory::wrap($dirStream);
-		} catch(\Exception $e) {
-			return false;
-		}
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function filetype($path) {
-		try {
-			$stat = $this->getConnection()->stat($this->absPath($path));
-			if ($stat['type'] == NET_SFTP_TYPE_REGULAR) {
-				return 'file';
-			}
-
-			if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) {
-				return 'dir';
-			}
-		} catch (\Exception $e) {
-
-		}
-		return false;
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function file_exists($path) {
-		try {
-			return $this->getConnection()->stat($this->absPath($path)) !== false;
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function unlink($path) {
-		try {
-			return $this->getConnection()->delete($this->absPath($path), true);
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function fopen($path, $mode) {
-		try {
-			$absPath = $this->absPath($path);
-			switch($mode) {
-				case 'r':
-				case 'rb':
-					if ( !$this->file_exists($path)) {
-						return false;
-					}
-				case 'w':
-				case 'wb':
-				case 'a':
-				case 'ab':
-				case 'r+':
-				case 'w+':
-				case 'wb+':
-				case 'a+':
-				case 'x':
-				case 'x+':
-				case 'c':
-				case 'c+':
-					$context = stream_context_create(array('sftp' => array('session' => $this->getConnection())));
-					$handle = fopen($this->constructUrl($path), $mode, false, $context);
-					return RetryWrapper::wrap($handle);
-			}
-		} catch (\Exception $e) {
-		}
-		return false;
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function touch($path, $mtime=null) {
-		try {
-			if (!is_null($mtime)) {
-				return false;
-			}
-			if (!$this->file_exists($path)) {
-				$this->getConnection()->put($this->absPath($path), '');
-			} else {
-				return false;
-			}
-		} catch (\Exception $e) {
-			return false;
-		}
-		return true;
-	}
-
-	/**
-	 * @param string $path
-	 * @param string $target
-	 * @throws \Exception
-	 */
-	public function getFile($path, $target) {
-		$this->getConnection()->get($path, $target);
-	}
-
-	/**
-	 * @param string $path
-	 * @param string $target
-	 * @throws \Exception
-	 */
-	public function uploadFile($path, $target) {
-		$this->getConnection()->put($target, $path, NET_SFTP_LOCAL_FILE);
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function rename($source, $target) {
-		try {
-			if ($this->file_exists($target)) {
-				$this->unlink($target);
-			}
-			return $this->getConnection()->rename(
-				$this->absPath($source),
-				$this->absPath($target)
-			);
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	/**
-	 * {@inheritdoc}
-	 */
-	public function stat($path) {
-		try {
-			$stat = $this->getConnection()->stat($this->absPath($path));
-
-			$mtime = $stat ? $stat['mtime'] : -1;
-			$size = $stat ? $stat['size'] : 0;
-
-			return array('mtime' => $mtime, 'size' => $size, 'ctime' => -1);
-		} catch (\Exception $e) {
-			return false;
-		}
-	}
-
-	/**
-	 * @param string $path
-	 * @return string
-	 */
-	public function constructUrl($path) {
-		// Do not pass the password here. We want to use the Net_SFTP object
-		// supplied via stream context or fail. We only supply username and
-		// hostname because this might show up in logs (they are not used).
-		$url = 'sftp://' . urlencode($this->user) . '@' . $this->host . ':' . $this->port . $this->root . $path;
-		return $url;
-	}
+    private $host;
+    private $user;
+    private $root;
+    private $port = 22;
+
+    private $auth;
+
+    /**
+     * @var \phpseclib\Net\SFTP
+     */
+    protected $client;
+
+    /**
+     * @param string $host protocol://server:port
+     * @return array [$server, $port]
+     */
+    private function splitHost($host) {
+        $input = $host;
+        if (strpos($host, '://') === false) {
+            // add a protocol to fix parse_url behavior with ipv6
+            $host = 'http://' . $host;
+        }
+
+        $parsed = parse_url($host);
+        if(is_array($parsed) && isset($parsed['port'])) {
+            return [$parsed['host'], $parsed['port']];
+        } else if (is_array($parsed)) {
+            return [$parsed['host'], 22];
+        } else {
+            return [$input, 22];
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function __construct($params) {
+        // Register sftp://
+        Stream::register();
+
+        $parsedHost =  $this->splitHost($params['host']);
+
+        $this->host = $parsedHost[0];
+        $this->port = $parsedHost[1];
+
+        if (!isset($params['user'])) {
+            throw new \UnexpectedValueException('no authentication parameters specified');
+        }
+        $this->user = $params['user'];
+
+        if (isset($params['public_key_auth'])) {
+            $this->auth = $params['public_key_auth'];
+        } elseif (isset($params['password'])) {
+            $this->auth = $params['password'];
+        } else {
+            throw new \UnexpectedValueException('no authentication parameters specified');
+        }
+
+        $this->root
+            = isset($params['root']) ? $this->cleanPath($params['root']) : '/';
+
+        if ($this->root[0] != '/') {
+                $this->root = '/' . $this->root;
+        }
+
+        if (substr($this->root, -1, 1) != '/') {
+            $this->root .= '/';
+        }
+    }
+
+    /**
+     * Returns the connection.
+     *
+     * @return \phpseclib\Net\SFTP connected client instance
+     * @throws \Exception when the connection failed
+     */
+    public function getConnection() {
+        if (!is_null($this->client)) {
+            return $this->client;
+        }
+
+        $hostKeys = $this->readHostKeys();
+        $this->client = new \phpseclib\Net\SFTP($this->host, $this->port);
+
+        // The SSH Host Key MUST be verified before login().
+        $currentHostKey = $this->client->getServerPublicHostKey();
+        if (array_key_exists($this->host, $hostKeys)) {
+            if ($hostKeys[$this->host] != $currentHostKey) {
+                throw new \Exception('Host public key does not match known key');
+            }
+        } else {
+            $hostKeys[$this->host] = $currentHostKey;
+            $this->writeHostKeys($hostKeys);
+        }
+
+        if (!$this->client->login($this->user, $this->auth)) {
+            throw new \Exception('Login failed');
+        }
+        return $this->client;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function test() {
+        if (
+            !isset($this->host)
+            || !isset($this->user)
+        ) {
+            return false;
+        }
+        return $this->getConnection()->nlist() !== false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getId(){
+        $id = 'sftp::' . $this->user . '@' . $this->host;
+        if ($this->port !== 22) {
+            $id .= ':' . $this->port;
+        }
+        // note: this will double the root slash,
+        // we should not change it to keep compatible with
+        // old storage ids
+        $id .= '/' . $this->root;
+        return $id;
+    }
+
+    /**
+     * @return string
+     */
+    public function getHost() {
+        return $this->host;
+    }
+
+    /**
+     * @return string
+     */
+    public function getRoot() {
+        return $this->root;
+    }
+
+    /**
+     * @return mixed
+     */
+    public function getUser() {
+        return $this->user;
+    }
+
+    /**
+     * @param string $path
+     * @return string
+     */
+    private function absPath($path) {
+        return $this->root . $this->cleanPath($path);
+    }
+
+    /**
+     * @return string|false
+     */
+    private function hostKeysPath() {
+        try {
+            $storage_view = \OCP\Files::getStorage('files_external');
+            if ($storage_view) {
+                return \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data') .
+                    $storage_view->getAbsolutePath('') .
+                    'ssh_hostKeys';
+            }
+        } catch (\Exception $e) {
+        }
+        return false;
+    }
+
+    /**
+     * @param $keys
+     * @return bool
+     */
+    protected function writeHostKeys($keys) {
+        try {
+            $keyPath = $this->hostKeysPath();
+            if ($keyPath && file_exists($keyPath)) {
+                $fp = fopen($keyPath, 'w');
+                foreach ($keys as $host => $key) {
+                    fwrite($fp, $host . '::' . $key . "\n");
+                }
+                fclose($fp);
+                return true;
+            }
+        } catch (\Exception $e) {
+        }
+        return false;
+    }
+
+    /**
+     * @return array
+     */
+    protected function readHostKeys() {
+        try {
+            $keyPath = $this->hostKeysPath();
+            if (file_exists($keyPath)) {
+                $hosts = array();
+                $keys = array();
+                $lines = file($keyPath, FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
+                if ($lines) {
+                    foreach ($lines as $line) {
+                        $hostKeyArray = explode("::", $line, 2);
+                        if (count($hostKeyArray) == 2) {
+                            $hosts[] = $hostKeyArray[0];
+                            $keys[] = $hostKeyArray[1];
+                        }
+                    }
+                    return array_combine($hosts, $keys);
+                }
+            }
+        } catch (\Exception $e) {
+        }
+        return array();
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function mkdir($path) {
+        try {
+            return $this->getConnection()->mkdir($this->absPath($path));
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function rmdir($path) {
+        try {
+            $result = $this->getConnection()->delete($this->absPath($path), true);
+            // workaround: stray stat cache entry when deleting empty folders
+            // see https://github.com/phpseclib/phpseclib/issues/706
+            $this->getConnection()->clearStatCache();
+            return $result;
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function opendir($path) {
+        try {
+            $list = $this->getConnection()->nlist($this->absPath($path));
+            if ($list === false) {
+                return false;
+            }
+
+            $id = md5('sftp:' . $path);
+            $dirStream = array();
+            foreach($list as $file) {
+                if ($file != '.' && $file != '..') {
+                    $dirStream[] = $file;
+                }
+            }
+            return IteratorDirectory::wrap($dirStream);
+        } catch(\Exception $e) {
+            return false;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function filetype($path) {
+        try {
+            $stat = $this->getConnection()->stat($this->absPath($path));
+            if ($stat['type'] == NET_SFTP_TYPE_REGULAR) {
+                return 'file';
+            }
+
+            if ($stat['type'] == NET_SFTP_TYPE_DIRECTORY) {
+                return 'dir';
+            }
+        } catch (\Exception $e) {
+
+        }
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function file_exists($path) {
+        try {
+            return $this->getConnection()->stat($this->absPath($path)) !== false;
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function unlink($path) {
+        try {
+            return $this->getConnection()->delete($this->absPath($path), true);
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function fopen($path, $mode) {
+        try {
+            $absPath = $this->absPath($path);
+            switch($mode) {
+                case 'r':
+                case 'rb':
+                    if ( !$this->file_exists($path)) {
+                        return false;
+                    }
+                case 'w':
+                case 'wb':
+                case 'a':
+                case 'ab':
+                case 'r+':
+                case 'w+':
+                case 'wb+':
+                case 'a+':
+                case 'x':
+                case 'x+':
+                case 'c':
+                case 'c+':
+                    $context = stream_context_create(array('sftp' => array('session' => $this->getConnection())));
+                    $handle = fopen($this->constructUrl($path), $mode, false, $context);
+                    return RetryWrapper::wrap($handle);
+            }
+        } catch (\Exception $e) {
+        }
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function touch($path, $mtime=null) {
+        try {
+            if (!is_null($mtime)) {
+                return false;
+            }
+            if (!$this->file_exists($path)) {
+                $this->getConnection()->put($this->absPath($path), '');
+            } else {
+                return false;
+            }
+        } catch (\Exception $e) {
+            return false;
+        }
+        return true;
+    }
+
+    /**
+     * @param string $path
+     * @param string $target
+     * @throws \Exception
+     */
+    public function getFile($path, $target) {
+        $this->getConnection()->get($path, $target);
+    }
+
+    /**
+     * @param string $path
+     * @param string $target
+     * @throws \Exception
+     */
+    public function uploadFile($path, $target) {
+        $this->getConnection()->put($target, $path, NET_SFTP_LOCAL_FILE);
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function rename($source, $target) {
+        try {
+            if ($this->file_exists($target)) {
+                $this->unlink($target);
+            }
+            return $this->getConnection()->rename(
+                $this->absPath($source),
+                $this->absPath($target)
+            );
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function stat($path) {
+        try {
+            $stat = $this->getConnection()->stat($this->absPath($path));
+
+            $mtime = $stat ? $stat['mtime'] : -1;
+            $size = $stat ? $stat['size'] : 0;
+
+            return array('mtime' => $mtime, 'size' => $size, 'ctime' => -1);
+        } catch (\Exception $e) {
+            return false;
+        }
+    }
+
+    /**
+     * @param string $path
+     * @return string
+     */
+    public function constructUrl($path) {
+        // Do not pass the password here. We want to use the Net_SFTP object
+        // supplied via stream context or fail. We only supply username and
+        // hostname because this might show up in logs (they are not used).
+        $url = 'sftp://' . urlencode($this->user) . '@' . $this->host . ':' . $this->port . $this->root . $path;
+        return $url;
+    }
 }

Spacing +19 added lines, -19 removed lines

@@ -62,11 +62,11 @@ 
 		$input = $host;
 		if (strpos($host, '://') === false) {
 			// add a protocol to fix parse_url behavior with ipv6
-			$host = 'http://' . $host;
+			$host = 'http://'.$host;
 		}
 
 		$parsed = parse_url($host);
-		if(is_array($parsed) && isset($parsed['port'])) {
+		if (is_array($parsed) && isset($parsed['port'])) {
 			return [$parsed['host'], $parsed['port']];
 		} else if (is_array($parsed)) {
 			return [$parsed['host'], 22];
@@ -82,7 +82,7 @@ 
 		// Register sftp://
 		Stream::register();
 
-		$parsedHost =  $this->splitHost($params['host']);
+		$parsedHost = $this->splitHost($params['host']);
 
 		$this->host = $parsedHost[0];
 		$this->port = $parsedHost[1];
@@ -104,7 +104,7 @@ 
 			= isset($params['root']) ? $this->cleanPath($params['root']) : '/';
 
 		if ($this->root[0] != '/') {
-			 $this->root = '/' . $this->root;
+			 $this->root = '/'.$this->root;
 		}
 
 		if (substr($this->root, -1, 1) != '/') {
@@ -159,15 +159,15 @@ 
 	/**
 	 * {@inheritdoc}
 	 */
-	public function getId(){
-		$id = 'sftp::' . $this->user . '@' . $this->host;
+	public function getId() {
+		$id = 'sftp::'.$this->user.'@'.$this->host;
 		if ($this->port !== 22) {
-			$id .= ':' . $this->port;
+			$id .= ':'.$this->port;
 		}
 		// note: this will double the root slash,
 		// we should not change it to keep compatible with
 		// old storage ids
-		$id .= '/' . $this->root;
+		$id .= '/'.$this->root;
 		return $id;
 	}
 
@@ -197,7 +197,7 @@ 
 	 * @return string
 	 */
 	private function absPath($path) {
-		return $this->root . $this->cleanPath($path);
+		return $this->root.$this->cleanPath($path);
 	}
 
 	/**
@@ -207,8 +207,8 @@ 
 		try {
 			$storage_view = \OCP\Files::getStorage('files_external');
 			if ($storage_view) {
-				return \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data') .
-					$storage_view->getAbsolutePath('') .
+				return \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT.'/data').
+					$storage_view->getAbsolutePath('').
 					'ssh_hostKeys';
 			}
 		} catch (\Exception $e) {
@@ -226,7 +226,7 @@ 
 			if ($keyPath && file_exists($keyPath)) {
 				$fp = fopen($keyPath, 'w');
 				foreach ($keys as $host => $key) {
-					fwrite($fp, $host . '::' . $key . "\n");
+					fwrite($fp, $host.'::'.$key."\n");
 				}
 				fclose($fp);
 				return true;
@@ -298,15 +298,15 @@ 
 				return false;
 			}
 
-			$id = md5('sftp:' . $path);
+			$id = md5('sftp:'.$path);
 			$dirStream = array();
-			foreach($list as $file) {
+			foreach ($list as $file) {
 				if ($file != '.' && $file != '..') {
 					$dirStream[] = $file;
 				}
 			}
 			return IteratorDirectory::wrap($dirStream);
-		} catch(\Exception $e) {
+		} catch (\Exception $e) {
 			return false;
 		}
 	}
@@ -358,10 +358,10 @@ 
 	public function fopen($path, $mode) {
 		try {
 			$absPath = $this->absPath($path);
-			switch($mode) {
+			switch ($mode) {
 				case 'r':
 				case 'rb':
-					if ( !$this->file_exists($path)) {
+					if (!$this->file_exists($path)) {
 						return false;
 					}
 				case 'w':
@@ -388,7 +388,7 @@ 
 	/**
 	 * {@inheritdoc}
 	 */
-	public function touch($path, $mtime=null) {
+	public function touch($path, $mtime = null) {
 		try {
 			if (!is_null($mtime)) {
 				return false;
@@ -463,7 +463,7 @@ 
 		// Do not pass the password here. We want to use the Net_SFTP object
 		// supplied via stream context or fail. We only supply username and
 		// hostname because this might show up in logs (they are not used).
-		$url = 'sftp://' . urlencode($this->user) . '@' . $this->host . ':' . $this->port . $this->root . $path;
+		$url = 'sftp://'.urlencode($this->user).'@'.$this->host.':'.$this->port.$this->root.$path;
 		return $url;
 	}
 }

apps/files_sharing/lib/Migration.php

Doc Comments -1 removed lines

@@ -130,7 +130,6 @@
 	/**
 	 * Get $n re-shares from the database
 	 *
-	 * @param int $n The max number of shares to fetch
 	 * @return \Doctrine\DBAL\Driver\Statement
 	 */
 	private function getReShares() {

Spacing +6 added lines, -6 removed lines

@@ -68,7 +68,7 @@ 
 		$stmt = $this->getReShares();
 
 		$owners = [];
-		while($share = $stmt->fetch()) {
+		while ($share = $stmt->fetch()) {
 
 			$this->shareCache[$share['id']] = $share;
 
@@ -131,11 +131,11 @@ 
 	 */
 	private function findOwner($share) {
 		$currentShare = $share;
-		while(!is_null($currentShare['parent'])) {
+		while (!is_null($currentShare['parent'])) {
 			if (isset($this->shareCache[$currentShare['parent']])) {
 				$currentShare = $this->shareCache[$currentShare['parent']];
 			} else {
-				$currentShare = $this->getShare((int)$currentShare['parent']);
+				$currentShare = $this->getShare((int) $currentShare['parent']);
 				$this->shareCache[$currentShare['id']] = $currentShare;
 			}
 		}
@@ -182,7 +182,7 @@ 
 
 		$ordered = [];
 		foreach ($shares as $share) {
-			$ordered[(int)$share['id']] = $share;
+			$ordered[(int) $share['id']] = $share;
 		}
 
 		return $ordered;
@@ -226,7 +226,7 @@ 
 
 		$ordered = [];
 		foreach ($shares as $share) {
-			$ordered[(int)$share['id']] = $share;
+			$ordered[(int) $share['id']] = $share;
 		}
 
 		return $ordered;
@@ -269,7 +269,7 @@ 
 					->set('uid_initiator', $query->createNamedParameter($owner['initiator']));
 
 
-				if ((int)$owner['type'] !== \OCP\Share::SHARE_TYPE_LINK) {
+				if ((int) $owner['type'] !== \OCP\Share::SHARE_TYPE_LINK) {
 					$query->set('parent', $query->createNamedParameter(null));
 				}
 

Indentation +265 added lines, -265 removed lines

@@ -39,270 +39,270 @@
  */
 class Migration {
 
-	/** @var IDBConnection */
-	private $connection;
-
-	/** @var  IConfig */
-	private $config;
-
-	/** @var  ICache with all shares we already saw */
-	private $shareCache;
-
-	/** @var string */
-	private $table = 'share';
-
-	public function __construct(IDBConnection $connection, IConfig $config) {
-		$this->connection = $connection;
-		$this->config = $config;
-
-		// We cache up to 10k share items (~20MB)
-		$this->shareCache = new CappedMemoryCache(10000);
-	}
-
-	/**
-	 * move all re-shares to the owner in order to have a flat list of shares
-	 * upgrade from oC 8.2 to 9.0 with the new sharing
-	 */
-	public function removeReShares() {
-
-		$stmt = $this->getReShares();
-
-		$owners = [];
-		while($share = $stmt->fetch()) {
-
-			$this->shareCache[$share['id']] = $share;
-
-			$owners[$share['id']] = [
-					'owner' => $this->findOwner($share),
-					'initiator' => $share['uid_owner'],
-					'type' => $share['share_type'],
-			];
-
-			if (count($owners) === 1000) {
-				$this->updateOwners($owners);
-				$owners = [];
-			}
-		}
-
-		$stmt->closeCursor();
-
-		if (count($owners)) {
-			$this->updateOwners($owners);
-		}
-	}
-
-	/**
-	 * update all owner information so that all shares have an owner
-	 * and an initiator for the upgrade from oC 8.2 to 9.0 with the new sharing
-	 */
-	public function updateInitiatorInfo() {
-		while (true) {
-			$shares = $this->getMissingInitiator(1000);
-
-			if (empty($shares)) {
-				break;
-			}
-
-			$owners = [];
-			foreach ($shares as $share) {
-				$owners[$share['id']] = [
-					'owner' => $share['uid_owner'],
-					'initiator' => $share['uid_owner'],
-					'type' => $share['share_type'],
-				];
-			}
-			$this->updateOwners($owners);
-		}
-	}
-
-	/**
-	 * this was dropped for Nextcloud 11 in favour of share by mail
-	 */
-	public function removeSendMailOption() {
-		$this->config->deleteAppValue('core', 'shareapi_allow_mail_notification');
-		$this->config->deleteAppValue('core', 'shareapi_allow_public_notification');
-	}
-
-	public function addPasswordColumn() {
-		$query = $this->connection->getQueryBuilder();
-		$query
-			->update('share')
-			->set('password', 'share_with')
-			->where($query->expr()->eq('share_type', $query->createNamedParameter(\OCP\Share::SHARE_TYPE_LINK)))
-			->andWhere($query->expr()->isNotNull('share_with'));
-		$query->execute();
-
-		$clearQuery = $this->connection->getQueryBuilder();
-		$clearQuery
-			->update('share')->set('share_with', $clearQuery->createNamedParameter(null))
-			->where($clearQuery->expr()->eq('share_type', $clearQuery->createNamedParameter(\OCP\Share::SHARE_TYPE_LINK)));
-
-		$clearQuery->execute();
-
-	}
-
-	/**
-	 * find the owner of a re-shared file/folder
-	 *
-	 * @param array $share
-	 * @return array
-	 */
-	private function findOwner($share) {
-		$currentShare = $share;
-		while(!is_null($currentShare['parent'])) {
-			if (isset($this->shareCache[$currentShare['parent']])) {
-				$currentShare = $this->shareCache[$currentShare['parent']];
-			} else {
-				$currentShare = $this->getShare((int)$currentShare['parent']);
-				$this->shareCache[$currentShare['id']] = $currentShare;
-			}
-		}
-
-		return $currentShare['uid_owner'];
-	}
-
-	/**
-	 * Get $n re-shares from the database
-	 *
-	 * @param int $n The max number of shares to fetch
-	 * @return \Doctrine\DBAL\Driver\Statement
-	 */
-	private function getReShares() {
-		$query = $this->connection->getQueryBuilder();
-		$query->select(['id', 'parent', 'uid_owner', 'share_type'])
-			->from($this->table)
-			->where($query->expr()->in(
-				'share_type',
-				$query->createNamedParameter(
-					[
-						\OCP\Share::SHARE_TYPE_USER,
-						\OCP\Share::SHARE_TYPE_GROUP,
-						\OCP\Share::SHARE_TYPE_LINK,
-						\OCP\Share::SHARE_TYPE_REMOTE,
-					],
-					Connection::PARAM_INT_ARRAY
-				)
-			))
-			->andWhere($query->expr()->in(
-				'item_type',
-				$query->createNamedParameter(
-					['file', 'folder'],
-					Connection::PARAM_STR_ARRAY
-				)
-			))
-			->andWhere($query->expr()->isNotNull('parent'))
-			->orderBy('id', 'asc');
-		return $query->execute();
-
-
-		$shares = $result->fetchAll();
-		$result->closeCursor();
-
-		$ordered = [];
-		foreach ($shares as $share) {
-			$ordered[(int)$share['id']] = $share;
-		}
-
-		return $ordered;
-	}
-
-	/**
-	 * Get $n re-shares from the database
-	 *
-	 * @param int $n The max number of shares to fetch
-	 * @return array
-	 */
-	private function getMissingInitiator($n = 1000) {
-		$query = $this->connection->getQueryBuilder();
-		$query->select(['id', 'uid_owner', 'share_type'])
-			->from($this->table)
-			->where($query->expr()->in(
-				'share_type',
-				$query->createNamedParameter(
-					[
-						\OCP\Share::SHARE_TYPE_USER,
-						\OCP\Share::SHARE_TYPE_GROUP,
-						\OCP\Share::SHARE_TYPE_LINK,
-						\OCP\Share::SHARE_TYPE_REMOTE,
-					],
-					Connection::PARAM_INT_ARRAY
-				)
-			))
-			->andWhere($query->expr()->in(
-				'item_type',
-				$query->createNamedParameter(
-					['file', 'folder'],
-					Connection::PARAM_STR_ARRAY
-				)
-			))
-			->andWhere($query->expr()->isNull('uid_initiator'))
-			->orderBy('id', 'asc')
-			->setMaxResults($n);
-		$result = $query->execute();
-		$shares = $result->fetchAll();
-		$result->closeCursor();
-
-		$ordered = [];
-		foreach ($shares as $share) {
-			$ordered[(int)$share['id']] = $share;
-		}
-
-		return $ordered;
-	}
-
-	/**
-	 * get a specific share
-	 *
-	 * @param int $id
-	 * @return array
-	 */
-	private function getShare($id) {
-		$query = $this->connection->getQueryBuilder();
-		$query->select(['id', 'parent', 'uid_owner'])
-			->from($this->table)
-			->where($query->expr()->eq('id', $query->createNamedParameter($id)));
-		$result = $query->execute();
-		$share = $result->fetchAll();
-		$result->closeCursor();
-
-		return $share[0];
-	}
-
-	/**
-	 * update database with the new owners
-	 *
-	 * @param array $owners
-	 * @throws \Exception
-	 */
-	private function updateOwners($owners) {
-
-		$this->connection->beginTransaction();
-
-		try {
-
-			foreach ($owners as $id => $owner) {
-				$query = $this->connection->getQueryBuilder();
-				$query->update($this->table)
-					->set('uid_owner', $query->createNamedParameter($owner['owner']))
-					->set('uid_initiator', $query->createNamedParameter($owner['initiator']));
-
-
-				if ((int)$owner['type'] !== \OCP\Share::SHARE_TYPE_LINK) {
-					$query->set('parent', $query->createNamedParameter(null));
-				}
-
-				$query->where($query->expr()->eq('id', $query->createNamedParameter($id)));
-
-				$query->execute();
-			}
-
-			$this->connection->commit();
-
-		} catch (\Exception $e) {
-			$this->connection->rollBack();
-			throw $e;
-		}
-
-	}
+    /** @var IDBConnection */
+    private $connection;
+
+    /** @var  IConfig */
+    private $config;
+
+    /** @var  ICache with all shares we already saw */
+    private $shareCache;
+
+    /** @var string */
+    private $table = 'share';
+
+    public function __construct(IDBConnection $connection, IConfig $config) {
+        $this->connection = $connection;
+        $this->config = $config;
+
+        // We cache up to 10k share items (~20MB)
+        $this->shareCache = new CappedMemoryCache(10000);
+    }
+
+    /**
+     * move all re-shares to the owner in order to have a flat list of shares
+     * upgrade from oC 8.2 to 9.0 with the new sharing
+     */
+    public function removeReShares() {
+
+        $stmt = $this->getReShares();
+
+        $owners = [];
+        while($share = $stmt->fetch()) {
+
+            $this->shareCache[$share['id']] = $share;
+
+            $owners[$share['id']] = [
+                    'owner' => $this->findOwner($share),
+                    'initiator' => $share['uid_owner'],
+                    'type' => $share['share_type'],
+            ];
+
+            if (count($owners) === 1000) {
+                $this->updateOwners($owners);
+                $owners = [];
+            }
+        }
+
+        $stmt->closeCursor();
+
+        if (count($owners)) {
+            $this->updateOwners($owners);
+        }
+    }
+
+    /**
+     * update all owner information so that all shares have an owner
+     * and an initiator for the upgrade from oC 8.2 to 9.0 with the new sharing
+     */
+    public function updateInitiatorInfo() {
+        while (true) {
+            $shares = $this->getMissingInitiator(1000);
+
+            if (empty($shares)) {
+                break;
+            }
+
+            $owners = [];
+            foreach ($shares as $share) {
+                $owners[$share['id']] = [
+                    'owner' => $share['uid_owner'],
+                    'initiator' => $share['uid_owner'],
+                    'type' => $share['share_type'],
+                ];
+            }
+            $this->updateOwners($owners);
+        }
+    }
+
+    /**
+     * this was dropped for Nextcloud 11 in favour of share by mail
+     */
+    public function removeSendMailOption() {
+        $this->config->deleteAppValue('core', 'shareapi_allow_mail_notification');
+        $this->config->deleteAppValue('core', 'shareapi_allow_public_notification');
+    }
+
+    public function addPasswordColumn() {
+        $query = $this->connection->getQueryBuilder();
+        $query
+            ->update('share')
+            ->set('password', 'share_with')
+            ->where($query->expr()->eq('share_type', $query->createNamedParameter(\OCP\Share::SHARE_TYPE_LINK)))
+            ->andWhere($query->expr()->isNotNull('share_with'));
+        $query->execute();
+
+        $clearQuery = $this->connection->getQueryBuilder();
+        $clearQuery
+            ->update('share')->set('share_with', $clearQuery->createNamedParameter(null))
+            ->where($clearQuery->expr()->eq('share_type', $clearQuery->createNamedParameter(\OCP\Share::SHARE_TYPE_LINK)));
+
+        $clearQuery->execute();
+
+    }
+
+    /**
+     * find the owner of a re-shared file/folder
+     *
+     * @param array $share
+     * @return array
+     */
+    private function findOwner($share) {
+        $currentShare = $share;
+        while(!is_null($currentShare['parent'])) {
+            if (isset($this->shareCache[$currentShare['parent']])) {
+                $currentShare = $this->shareCache[$currentShare['parent']];
+            } else {
+                $currentShare = $this->getShare((int)$currentShare['parent']);
+                $this->shareCache[$currentShare['id']] = $currentShare;
+            }
+        }
+
+        return $currentShare['uid_owner'];
+    }
+
+    /**
+     * Get $n re-shares from the database
+     *
+     * @param int $n The max number of shares to fetch
+     * @return \Doctrine\DBAL\Driver\Statement
+     */
+    private function getReShares() {
+        $query = $this->connection->getQueryBuilder();
+        $query->select(['id', 'parent', 'uid_owner', 'share_type'])
+            ->from($this->table)
+            ->where($query->expr()->in(
+                'share_type',
+                $query->createNamedParameter(
+                    [
+                        \OCP\Share::SHARE_TYPE_USER,
+                        \OCP\Share::SHARE_TYPE_GROUP,
+                        \OCP\Share::SHARE_TYPE_LINK,
+                        \OCP\Share::SHARE_TYPE_REMOTE,
+                    ],
+                    Connection::PARAM_INT_ARRAY
+                )
+            ))
+            ->andWhere($query->expr()->in(
+                'item_type',
+                $query->createNamedParameter(
+                    ['file', 'folder'],
+                    Connection::PARAM_STR_ARRAY
+                )
+            ))
+            ->andWhere($query->expr()->isNotNull('parent'))
+            ->orderBy('id', 'asc');
+        return $query->execute();
+
+
+        $shares = $result->fetchAll();
+        $result->closeCursor();
+
+        $ordered = [];
+        foreach ($shares as $share) {
+            $ordered[(int)$share['id']] = $share;
+        }
+
+        return $ordered;
+    }
+
+    /**
+     * Get $n re-shares from the database
+     *
+     * @param int $n The max number of shares to fetch
+     * @return array
+     */
+    private function getMissingInitiator($n = 1000) {
+        $query = $this->connection->getQueryBuilder();
+        $query->select(['id', 'uid_owner', 'share_type'])
+            ->from($this->table)
+            ->where($query->expr()->in(
+                'share_type',
+                $query->createNamedParameter(
+                    [
+                        \OCP\Share::SHARE_TYPE_USER,
+                        \OCP\Share::SHARE_TYPE_GROUP,
+                        \OCP\Share::SHARE_TYPE_LINK,
+                        \OCP\Share::SHARE_TYPE_REMOTE,
+                    ],
+                    Connection::PARAM_INT_ARRAY
+                )
+            ))
+            ->andWhere($query->expr()->in(
+                'item_type',
+                $query->createNamedParameter(
+                    ['file', 'folder'],
+                    Connection::PARAM_STR_ARRAY
+                )
+            ))
+            ->andWhere($query->expr()->isNull('uid_initiator'))
+            ->orderBy('id', 'asc')
+            ->setMaxResults($n);
+        $result = $query->execute();
+        $shares = $result->fetchAll();
+        $result->closeCursor();
+
+        $ordered = [];
+        foreach ($shares as $share) {
+            $ordered[(int)$share['id']] = $share;
+        }
+
+        return $ordered;
+    }
+
+    /**
+     * get a specific share
+     *
+     * @param int $id
+     * @return array
+     */
+    private function getShare($id) {
+        $query = $this->connection->getQueryBuilder();
+        $query->select(['id', 'parent', 'uid_owner'])
+            ->from($this->table)
+            ->where($query->expr()->eq('id', $query->createNamedParameter($id)));
+        $result = $query->execute();
+        $share = $result->fetchAll();
+        $result->closeCursor();
+
+        return $share[0];
+    }
+
+    /**
+     * update database with the new owners
+     *
+     * @param array $owners
+     * @throws \Exception
+     */
+    private function updateOwners($owners) {
+
+        $this->connection->beginTransaction();
+
+        try {
+
+            foreach ($owners as $id => $owner) {
+                $query = $this->connection->getQueryBuilder();
+                $query->update($this->table)
+                    ->set('uid_owner', $query->createNamedParameter($owner['owner']))
+                    ->set('uid_initiator', $query->createNamedParameter($owner['initiator']));
+
+
+                if ((int)$owner['type'] !== \OCP\Share::SHARE_TYPE_LINK) {
+                    $query->set('parent', $query->createNamedParameter(null));
+                }
+
+                $query->where($query->expr()->eq('id', $query->createNamedParameter($id)));
+
+                $query->execute();
+            }
+
+            $this->connection->commit();
+
+        } catch (\Exception $e) {
+            $this->connection->rollBack();
+            throw $e;
+        }
+
+    }
 
 }

apps/files_trashbin/lib/BackgroundJob/ExpireTrash.php

Unused Use Statements -1 removed lines

@@ -23,7 +23,6 @@
 
 namespace OCA\Files_Trashbin\BackgroundJob;
 
-use OCP\IConfig;
 use OCP\IUser;
 use OCP\IUserManager;
 use OCA\Files_Trashbin\AppInfo\Application;

Indentation +62 added lines, -62 removed lines

@@ -34,76 +34,76 @@
 
 class ExpireTrash extends \OC\BackgroundJob\TimedJob {
 
-	/**
-	 * @var Expiration
-	 */
-	private $expiration;
+    /**
+     * @var Expiration
+     */
+    private $expiration;
 	
-	/**
-	 * @var IUserManager
-	 */
-	private $userManager;
+    /**
+     * @var IUserManager
+     */
+    private $userManager;
 
-	/**
-	 * @param IUserManager|null $userManager
-	 * @param Expiration|null $expiration
-	 */
-	public function __construct(IUserManager $userManager = null,
-								Expiration $expiration = null) {
-		// Run once per 30 minutes
-		$this->setInterval(60 * 30);
+    /**
+     * @param IUserManager|null $userManager
+     * @param Expiration|null $expiration
+     */
+    public function __construct(IUserManager $userManager = null,
+                                Expiration $expiration = null) {
+        // Run once per 30 minutes
+        $this->setInterval(60 * 30);
 
-		if (is_null($expiration) || is_null($userManager)) {
-			$this->fixDIForJobs();
-		} else {
-			$this->userManager = $userManager;
-			$this->expiration = $expiration;
-		}
-	}
+        if (is_null($expiration) || is_null($userManager)) {
+            $this->fixDIForJobs();
+        } else {
+            $this->userManager = $userManager;
+            $this->expiration = $expiration;
+        }
+    }
 
-	protected function fixDIForJobs() {
-		$application = new Application();
-		$this->userManager = \OC::$server->getUserManager();
-		$this->expiration = $application->getContainer()->query('Expiration');
-	}
+    protected function fixDIForJobs() {
+        $application = new Application();
+        $this->userManager = \OC::$server->getUserManager();
+        $this->expiration = $application->getContainer()->query('Expiration');
+    }
 
-	/**
-	 * @param $argument
-	 * @throws \Exception
-	 */
-	protected function run($argument) {
-		$maxAge = $this->expiration->getMaxAgeAsTimestamp();
-		if (!$maxAge) {
-			return;
-		}
+    /**
+     * @param $argument
+     * @throws \Exception
+     */
+    protected function run($argument) {
+        $maxAge = $this->expiration->getMaxAgeAsTimestamp();
+        if (!$maxAge) {
+            return;
+        }
 
-		$this->userManager->callForSeenUsers(function(IUser $user) {
-			$uid = $user->getUID();
-			if (!$this->setupFS($uid)) {
-				return;
-			}
-			$dirContent = Helper::getTrashFiles('/', $uid, 'mtime');
-			Trashbin::deleteExpiredFiles($dirContent, $uid);
-		});
+        $this->userManager->callForSeenUsers(function(IUser $user) {
+            $uid = $user->getUID();
+            if (!$this->setupFS($uid)) {
+                return;
+            }
+            $dirContent = Helper::getTrashFiles('/', $uid, 'mtime');
+            Trashbin::deleteExpiredFiles($dirContent, $uid);
+        });
 		
-		\OC_Util::tearDownFS();
-	}
+        \OC_Util::tearDownFS();
+    }
 
-	/**
-	 * Act on behalf on trash item owner
-	 * @param string $user
-	 * @return boolean
-	 */
-	protected function setupFS($user) {
-		\OC_Util::tearDownFS();
-		\OC_Util::setupFS($user);
+    /**
+     * Act on behalf on trash item owner
+     * @param string $user
+     * @return boolean
+     */
+    protected function setupFS($user) {
+        \OC_Util::tearDownFS();
+        \OC_Util::setupFS($user);
 
-		// Check if this user has a trashbin directory
-		$view = new \OC\Files\View('/' . $user);
-		if (!$view->is_dir('/files_trashbin/files')) {
-			return false;
-		}
+        // Check if this user has a trashbin directory
+        $view = new \OC\Files\View('/' . $user);
+        if (!$view->is_dir('/files_trashbin/files')) {
+            return false;
+        }
 
-		return true;
-	}
+        return true;
+    }
 }

Spacing +1 added lines, -1 removed lines

@@ -117,7 +117,7 @@
 		\OC_Util::setupFS($user);
 
 		// Check if this user has a trashbin directory
-		$view = new \OC\Files\View('/' . $user);
+		$view = new \OC\Files\View('/'.$user);
 		if (!$view->is_dir('/files_trashbin/files')) {
 			return false;
 		}

apps/files_trashbin/lib/Storage.php

Doc Comments +1 added lines, -1 removed lines

@@ -110,7 +110,7 @@
 	 * check if it is a file located in data/user/files only files in the
 	 * 'files' directory should be moved to the trash
 	 *
-	 * @param $path
+	 * @param string $path
 	 * @return bool
 	 */
 	protected function shouldMoveToTrash($path){

Indentation +239 added lines, -239 removed lines

@@ -34,244 +34,244 @@
 
 class Storage extends Wrapper {
 
-	private $mountPoint;
-	// remember already deleted files to avoid infinite loops if the trash bin
-	// move files across storages
-	private $deletedFiles = array();
-
-	/**
-	 * Disable trash logic
-	 *
-	 * @var bool
-	 */
-	private static $disableTrash = false;
-
-	/**
-	 * remember which file/folder was moved out of s shared folder
-	 * in this case we want to add a copy to the owners trash bin
-	 *
-	 * @var array
-	 */
-	private static $moveOutOfSharedFolder = [];
-
-	/** @var  IUserManager */
-	private $userManager;
-
-	/** @var ILogger */
-	private $logger;
-
-	/**
-	 * Storage constructor.
-	 *
-	 * @param array $parameters
-	 * @param IUserManager|null $userManager
-	 */
-	public function __construct($parameters,
-								IUserManager $userManager = null,
-								ILogger $logger = null) {
-		$this->mountPoint = $parameters['mountPoint'];
-		$this->userManager = $userManager;
-		$this->logger = $logger;
-		parent::__construct($parameters);
-	}
-
-	/**
-	 * @internal
-	 */
-	public static function preRenameHook($params) {
-		// in cross-storage cases, a rename is a copy + unlink,
-		// that last unlink must not go to trash, only exception:
-		// if the file was moved from a shared storage to a local folder,
-		// in this case the owner should get a copy in his trash bin so that
-		// they can restore the files again
-
-		$oldPath = $params['oldpath'];
-		$newPath = dirname($params['newpath']);
-		$currentUser = \OC::$server->getUserSession()->getUser();
-
-		$fileMovedOutOfSharedFolder = false;
-
-		try {
-			if ($currentUser) {
-				$currentUserId = $currentUser->getUID();
-
-				$view = new View($currentUserId . '/files');
-				$fileInfo = $view->getFileInfo($oldPath);
-				if ($fileInfo) {
-					$sourceStorage = $fileInfo->getStorage();
-					$sourceOwner = $view->getOwner($oldPath);
-					$targetOwner = $view->getOwner($newPath);
-
-					if ($sourceOwner !== $targetOwner
-						&& $sourceStorage->instanceOfStorage('OCA\Files_Sharing\SharedStorage')
-					) {
-						$fileMovedOutOfSharedFolder = true;
-					}
-				}
-			}
-		} catch (\Exception $e) {
-			// do nothing, in this case we just disable the trashbin and continue
-			$logger = \OC::$server->getLogger();
-			$logger->debug('Trashbin storage could not check if a file was moved out of a shared folder: ' . $e->getMessage());
-		}
-
-		if($fileMovedOutOfSharedFolder) {
-			self::$moveOutOfSharedFolder['/' . $currentUserId . '/files' . $oldPath] = true;
-		} else {
-			self::$disableTrash = true;
-		}
-
-	}
-
-	/**
-	 * @internal
-	 */
-	public static function postRenameHook($params) {
-		self::$disableTrash = false;
-	}
-
-	/**
-	 * Rename path1 to path2 by calling the wrapped storage.
-	 *
-	 * @param string $path1 first path
-	 * @param string $path2 second path
-	 * @return bool
-	 */
-	public function rename($path1, $path2) {
-		$result = $this->storage->rename($path1, $path2);
-		if ($result === false) {
-			// when rename failed, the post_rename hook isn't triggered,
-			// but we still want to reenable the trash logic
-			self::$disableTrash = false;
-		}
-		return $result;
-	}
-
-	/**
-	 * Deletes the given file by moving it into the trashbin.
-	 *
-	 * @param string $path path of file or folder to delete
-	 *
-	 * @return bool true if the operation succeeded, false otherwise
-	 */
-	public function unlink($path) {
-		try {
-			if (isset(self::$moveOutOfSharedFolder[$this->mountPoint . $path])) {
-				$result = $this->doDelete($path, 'unlink', true);
-				unset(self::$moveOutOfSharedFolder[$this->mountPoint . $path]);
-			} else {
-				$result = $this->doDelete($path, 'unlink');
-			}
-		} catch (GenericEncryptionException $e) {
-			// in case of a encryption exception we delete the file right away
-			$this->logger->info(
-				"Can't move file" .  $path .
-				"to the trash bin, therefore it was deleted right away");
-
-			$result = $this->storage->unlink($path);
-		}
-
-		return $result;
-	}
-
-	/**
-	 * Deletes the given folder by moving it into the trashbin.
-	 *
-	 * @param string $path path of folder to delete
-	 *
-	 * @return bool true if the operation succeeded, false otherwise
-	 */
-	public function rmdir($path) {
-		if (isset(self::$moveOutOfSharedFolder[$this->mountPoint . $path])) {
-			$result = $this->doDelete($path, 'rmdir', true);
-			unset(self::$moveOutOfSharedFolder[$this->mountPoint . $path]);
-		} else {
-			$result = $this->doDelete($path, 'rmdir');
-		}
-
-		return $result;
-	}
-
-	/**
-	 * check if it is a file located in data/user/files only files in the
-	 * 'files' directory should be moved to the trash
-	 *
-	 * @param $path
-	 * @return bool
-	 */
-	protected function shouldMoveToTrash($path){
-		$normalized = Filesystem::normalizePath($this->mountPoint . '/' . $path);
-		$parts = explode('/', $normalized);
-		if (count($parts) < 4) {
-			return false;
-		}
-
-		if ($this->userManager->userExists($parts[1]) && $parts[2] == 'files') {
-			return true;
-		}
-
-		return false;
-	}
-
-	/**
-	 * Run the delete operation with the given method
-	 *
-	 * @param string $path path of file or folder to delete
-	 * @param string $method either "unlink" or "rmdir"
-	 * @param bool $ownerOnly delete for owner only (if file gets moved out of a shared folder)
-	 *
-	 * @return bool true if the operation succeeded, false otherwise
-	 */
-	private function doDelete($path, $method, $ownerOnly = false) {
-		if (self::$disableTrash
-			|| !\OC_App::isEnabled('files_trashbin')
-			|| (pathinfo($path, PATHINFO_EXTENSION) === 'part')
-			|| $this->shouldMoveToTrash($path) === false
-		) {
-			return call_user_func_array([$this->storage, $method], [$path]);
-		}
-
-		// check permissions before we continue, this is especially important for
-		// shared files
-		if (!$this->isDeletable($path)) {
-			return false;
-		}
-
-		$normalized = Filesystem::normalizePath($this->mountPoint . '/' . $path, true, false, true);
-		$result = true;
-		$view = Filesystem::getView();
-		if (!isset($this->deletedFiles[$normalized]) && $view instanceof View) {
-			$this->deletedFiles[$normalized] = $normalized;
-			if ($filesPath = $view->getRelativePath($normalized)) {
-				$filesPath = trim($filesPath, '/');
-				$result = \OCA\Files_Trashbin\Trashbin::move2trash($filesPath, $ownerOnly);
-				// in cross-storage cases the file will be copied
-				// but not deleted, so we delete it here
-				if ($result) {
-					call_user_func_array([$this->storage, $method], [$path]);
-				}
-			} else {
-				$result = call_user_func_array([$this->storage, $method], [$path]);
-			}
-			unset($this->deletedFiles[$normalized]);
-		} else if ($this->storage->file_exists($path)) {
-			$result = call_user_func_array([$this->storage, $method], [$path]);
-		}
-
-		return $result;
-	}
-
-	/**
-	 * Setup the storate wrapper callback
-	 */
-	public static function setupStorage() {
-		\OC\Files\Filesystem::addStorageWrapper('oc_trashbin', function ($mountPoint, $storage) {
-			return new \OCA\Files_Trashbin\Storage(
-				array('storage' => $storage, 'mountPoint' => $mountPoint),
-				\OC::$server->getUserManager(),
-				\OC::$server->getLogger()
-			);
-		}, 1);
-	}
+    private $mountPoint;
+    // remember already deleted files to avoid infinite loops if the trash bin
+    // move files across storages
+    private $deletedFiles = array();
+
+    /**
+     * Disable trash logic
+     *
+     * @var bool
+     */
+    private static $disableTrash = false;
+
+    /**
+     * remember which file/folder was moved out of s shared folder
+     * in this case we want to add a copy to the owners trash bin
+     *
+     * @var array
+     */
+    private static $moveOutOfSharedFolder = [];
+
+    /** @var  IUserManager */
+    private $userManager;
+
+    /** @var ILogger */
+    private $logger;
+
+    /**
+     * Storage constructor.
+     *
+     * @param array $parameters
+     * @param IUserManager|null $userManager
+     */
+    public function __construct($parameters,
+                                IUserManager $userManager = null,
+                                ILogger $logger = null) {
+        $this->mountPoint = $parameters['mountPoint'];
+        $this->userManager = $userManager;
+        $this->logger = $logger;
+        parent::__construct($parameters);
+    }
+
+    /**
+     * @internal
+     */
+    public static function preRenameHook($params) {
+        // in cross-storage cases, a rename is a copy + unlink,
+        // that last unlink must not go to trash, only exception:
+        // if the file was moved from a shared storage to a local folder,
+        // in this case the owner should get a copy in his trash bin so that
+        // they can restore the files again
+
+        $oldPath = $params['oldpath'];
+        $newPath = dirname($params['newpath']);
+        $currentUser = \OC::$server->getUserSession()->getUser();
+
+        $fileMovedOutOfSharedFolder = false;
+
+        try {
+            if ($currentUser) {
+                $currentUserId = $currentUser->getUID();
+
+                $view = new View($currentUserId . '/files');
+                $fileInfo = $view->getFileInfo($oldPath);
+                if ($fileInfo) {
+                    $sourceStorage = $fileInfo->getStorage();
+                    $sourceOwner = $view->getOwner($oldPath);
+                    $targetOwner = $view->getOwner($newPath);
+
+                    if ($sourceOwner !== $targetOwner
+                        && $sourceStorage->instanceOfStorage('OCA\Files_Sharing\SharedStorage')
+                    ) {
+                        $fileMovedOutOfSharedFolder = true;
+                    }
+                }
+            }
+        } catch (\Exception $e) {
+            // do nothing, in this case we just disable the trashbin and continue
+            $logger = \OC::$server->getLogger();
+            $logger->debug('Trashbin storage could not check if a file was moved out of a shared folder: ' . $e->getMessage());
+        }
+
+        if($fileMovedOutOfSharedFolder) {
+            self::$moveOutOfSharedFolder['/' . $currentUserId . '/files' . $oldPath] = true;
+        } else {
+            self::$disableTrash = true;
+        }
+
+    }
+
+    /**
+     * @internal
+     */
+    public static function postRenameHook($params) {
+        self::$disableTrash = false;
+    }
+
+    /**
+     * Rename path1 to path2 by calling the wrapped storage.
+     *
+     * @param string $path1 first path
+     * @param string $path2 second path
+     * @return bool
+     */
+    public function rename($path1, $path2) {
+        $result = $this->storage->rename($path1, $path2);
+        if ($result === false) {
+            // when rename failed, the post_rename hook isn't triggered,
+            // but we still want to reenable the trash logic
+            self::$disableTrash = false;
+        }
+        return $result;
+    }
+
+    /**
+     * Deletes the given file by moving it into the trashbin.
+     *
+     * @param string $path path of file or folder to delete
+     *
+     * @return bool true if the operation succeeded, false otherwise
+     */
+    public function unlink($path) {
+        try {
+            if (isset(self::$moveOutOfSharedFolder[$this->mountPoint . $path])) {
+                $result = $this->doDelete($path, 'unlink', true);
+                unset(self::$moveOutOfSharedFolder[$this->mountPoint . $path]);
+            } else {
+                $result = $this->doDelete($path, 'unlink');
+            }
+        } catch (GenericEncryptionException $e) {
+            // in case of a encryption exception we delete the file right away
+            $this->logger->info(
+                "Can't move file" .  $path .
+                "to the trash bin, therefore it was deleted right away");
+
+            $result = $this->storage->unlink($path);
+        }
+
+        return $result;
+    }
+
+    /**
+     * Deletes the given folder by moving it into the trashbin.
+     *
+     * @param string $path path of folder to delete
+     *
+     * @return bool true if the operation succeeded, false otherwise
+     */
+    public function rmdir($path) {
+        if (isset(self::$moveOutOfSharedFolder[$this->mountPoint . $path])) {
+            $result = $this->doDelete($path, 'rmdir', true);
+            unset(self::$moveOutOfSharedFolder[$this->mountPoint . $path]);
+        } else {
+            $result = $this->doDelete($path, 'rmdir');
+        }
+
+        return $result;
+    }
+
+    /**
+     * check if it is a file located in data/user/files only files in the
+     * 'files' directory should be moved to the trash
+     *
+     * @param $path
+     * @return bool
+     */
+    protected function shouldMoveToTrash($path){
+        $normalized = Filesystem::normalizePath($this->mountPoint . '/' . $path);
+        $parts = explode('/', $normalized);
+        if (count($parts) < 4) {
+            return false;
+        }
+
+        if ($this->userManager->userExists($parts[1]) && $parts[2] == 'files') {
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * Run the delete operation with the given method
+     *
+     * @param string $path path of file or folder to delete
+     * @param string $method either "unlink" or "rmdir"
+     * @param bool $ownerOnly delete for owner only (if file gets moved out of a shared folder)
+     *
+     * @return bool true if the operation succeeded, false otherwise
+     */
+    private function doDelete($path, $method, $ownerOnly = false) {
+        if (self::$disableTrash
+            || !\OC_App::isEnabled('files_trashbin')
+            || (pathinfo($path, PATHINFO_EXTENSION) === 'part')
+            || $this->shouldMoveToTrash($path) === false
+        ) {
+            return call_user_func_array([$this->storage, $method], [$path]);
+        }
+
+        // check permissions before we continue, this is especially important for
+        // shared files
+        if (!$this->isDeletable($path)) {
+            return false;
+        }
+
+        $normalized = Filesystem::normalizePath($this->mountPoint . '/' . $path, true, false, true);
+        $result = true;
+        $view = Filesystem::getView();
+        if (!isset($this->deletedFiles[$normalized]) && $view instanceof View) {
+            $this->deletedFiles[$normalized] = $normalized;
+            if ($filesPath = $view->getRelativePath($normalized)) {
+                $filesPath = trim($filesPath, '/');
+                $result = \OCA\Files_Trashbin\Trashbin::move2trash($filesPath, $ownerOnly);
+                // in cross-storage cases the file will be copied
+                // but not deleted, so we delete it here
+                if ($result) {
+                    call_user_func_array([$this->storage, $method], [$path]);
+                }
+            } else {
+                $result = call_user_func_array([$this->storage, $method], [$path]);
+            }
+            unset($this->deletedFiles[$normalized]);
+        } else if ($this->storage->file_exists($path)) {
+            $result = call_user_func_array([$this->storage, $method], [$path]);
+        }
+
+        return $result;
+    }
+
+    /**
+     * Setup the storate wrapper callback
+     */
+    public static function setupStorage() {
+        \OC\Files\Filesystem::addStorageWrapper('oc_trashbin', function ($mountPoint, $storage) {
+            return new \OCA\Files_Trashbin\Storage(
+                array('storage' => $storage, 'mountPoint' => $mountPoint),
+                \OC::$server->getUserManager(),
+                \OC::$server->getLogger()
+            );
+        }, 1);
+    }
 
 }

Spacing +13 added lines, -13 removed lines

@@ -95,7 +95,7 @@ 
 			if ($currentUser) {
 				$currentUserId = $currentUser->getUID();
 
-				$view = new View($currentUserId . '/files');
+				$view = new View($currentUserId.'/files');
 				$fileInfo = $view->getFileInfo($oldPath);
 				if ($fileInfo) {
 					$sourceStorage = $fileInfo->getStorage();
@@ -112,11 +112,11 @@ 
 		} catch (\Exception $e) {
 			// do nothing, in this case we just disable the trashbin and continue
 			$logger = \OC::$server->getLogger();
-			$logger->debug('Trashbin storage could not check if a file was moved out of a shared folder: ' . $e->getMessage());
+			$logger->debug('Trashbin storage could not check if a file was moved out of a shared folder: '.$e->getMessage());
 		}
 
-		if($fileMovedOutOfSharedFolder) {
-			self::$moveOutOfSharedFolder['/' . $currentUserId . '/files' . $oldPath] = true;
+		if ($fileMovedOutOfSharedFolder) {
+			self::$moveOutOfSharedFolder['/'.$currentUserId.'/files'.$oldPath] = true;
 		} else {
 			self::$disableTrash = true;
 		}
@@ -156,16 +156,16 @@ 
 	 */
 	public function unlink($path) {
 		try {
-			if (isset(self::$moveOutOfSharedFolder[$this->mountPoint . $path])) {
+			if (isset(self::$moveOutOfSharedFolder[$this->mountPoint.$path])) {
 				$result = $this->doDelete($path, 'unlink', true);
-				unset(self::$moveOutOfSharedFolder[$this->mountPoint . $path]);
+				unset(self::$moveOutOfSharedFolder[$this->mountPoint.$path]);
 			} else {
 				$result = $this->doDelete($path, 'unlink');
 			}
 		} catch (GenericEncryptionException $e) {
 			// in case of a encryption exception we delete the file right away
 			$this->logger->info(
-				"Can't move file" .  $path .
+				"Can't move file".$path.
 				"to the trash bin, therefore it was deleted right away");
 
 			$result = $this->storage->unlink($path);
@@ -182,9 +182,9 @@ 
 	 * @return bool true if the operation succeeded, false otherwise
 	 */
 	public function rmdir($path) {
-		if (isset(self::$moveOutOfSharedFolder[$this->mountPoint . $path])) {
+		if (isset(self::$moveOutOfSharedFolder[$this->mountPoint.$path])) {
 			$result = $this->doDelete($path, 'rmdir', true);
-			unset(self::$moveOutOfSharedFolder[$this->mountPoint . $path]);
+			unset(self::$moveOutOfSharedFolder[$this->mountPoint.$path]);
 		} else {
 			$result = $this->doDelete($path, 'rmdir');
 		}
@@ -199,8 +199,8 @@ 
 	 * @param $path
 	 * @return bool
 	 */
-	protected function shouldMoveToTrash($path){
-		$normalized = Filesystem::normalizePath($this->mountPoint . '/' . $path);
+	protected function shouldMoveToTrash($path) {
+		$normalized = Filesystem::normalizePath($this->mountPoint.'/'.$path);
 		$parts = explode('/', $normalized);
 		if (count($parts) < 4) {
 			return false;
@@ -237,7 +237,7 @@ 
 			return false;
 		}
 
-		$normalized = Filesystem::normalizePath($this->mountPoint . '/' . $path, true, false, true);
+		$normalized = Filesystem::normalizePath($this->mountPoint.'/'.$path, true, false, true);
 		$result = true;
 		$view = Filesystem::getView();
 		if (!isset($this->deletedFiles[$normalized]) && $view instanceof View) {
@@ -265,7 +265,7 @@ 
 	 * Setup the storate wrapper callback
 	 */
 	public static function setupStorage() {
-		\OC\Files\Filesystem::addStorageWrapper('oc_trashbin', function ($mountPoint, $storage) {
+		\OC\Files\Filesystem::addStorageWrapper('oc_trashbin', function($mountPoint, $storage) {
 			return new \OCA\Files_Trashbin\Storage(
 				array('storage' => $storage, 'mountPoint' => $mountPoint),
 				\OC::$server->getUserManager(),

apps/files_trashbin/lib/Trashbin.php

Doc Comments +2 added lines, -2 removed lines

@@ -671,7 +671,7 @@ 
 	 * if the size limit for the trash bin is reached, we delete the oldest
 	 * files in the trash bin until we meet the limit again
 	 *
-	 * @param array $files
+	 * @param \OCP\Files\FileInfo[] $files
 	 * @param string $user
 	 * @param int $availableSpace available disc space
 	 * @return int size of deleted files
@@ -699,7 +699,7 @@ 
 	/**
 	 * delete files older then max storage time
 	 *
-	 * @param array $files list of files sorted by mtime
+	 * @param \OCP\Files\FileInfo[] $files list of files sorted by mtime
 	 * @param string $user
 	 * @return integer[] size of deleted files and number of deleted files
 	 */

Spacing +72 added lines, -72 removed lines

@@ -95,7 +95,7 @@ 
 		Filesystem::initMountPoints($uid);
 		if ($uid != User::getUser()) {
 			$info = Filesystem::getFileInfo($filename);
-			$ownerView = new View('/' . $uid . '/files');
+			$ownerView = new View('/'.$uid.'/files');
 			try {
 				$filename = $ownerView->getPath($info['fileid']);
 			} catch (NotFoundException $e) {
@@ -146,7 +146,7 @@ 
 	}
 
 	private static function setUpTrash($user) {
-		$view = new View('/' . $user);
+		$view = new View('/'.$user);
 		if (!$view->is_dir('files_trashbin')) {
 			$view->mkdir('files_trashbin');
 		}
@@ -181,8 +181,8 @@ 
 
 		$view = new View('/');
 
-		$target = $user . '/files_trashbin/files/' . $targetFilename . '.d' . $timestamp;
-		$source = $owner . '/files_trashbin/files/' . $sourceFilename . '.d' . $timestamp;
+		$target = $user.'/files_trashbin/files/'.$targetFilename.'.d'.$timestamp;
+		$source = $owner.'/files_trashbin/files/'.$sourceFilename.'.d'.$timestamp;
 		self::copy_recursive($source, $target, $view);
 
 
@@ -216,9 +216,9 @@ 
 			$ownerPath = $file_path;
 		}
 
-		$ownerView = new View('/' . $owner);
+		$ownerView = new View('/'.$owner);
 		// file has been deleted in between
-		if (is_null($ownerPath) || $ownerPath === '' || !$ownerView->file_exists('/files/' . $ownerPath)) {
+		if (is_null($ownerPath) || $ownerPath === '' || !$ownerView->file_exists('/files/'.$ownerPath)) {
 			return true;
 		}
 
@@ -235,12 +235,12 @@ 
 		$timestamp = time();
 
 		// disable proxy to prevent recursive calls
-		$trashPath = '/files_trashbin/files/' . $filename . '.d' . $timestamp;
+		$trashPath = '/files_trashbin/files/'.$filename.'.d'.$timestamp;
 
 		/** @var \OC\Files\Storage\Storage $trashStorage */
 		list($trashStorage, $trashInternalPath) = $ownerView->resolvePath($trashPath);
 		/** @var \OC\Files\Storage\Storage $sourceStorage */
-		list($sourceStorage, $sourceInternalPath) = $ownerView->resolvePath('/files/' . $ownerPath);
+		list($sourceStorage, $sourceInternalPath) = $ownerView->resolvePath('/files/'.$ownerPath);
 		try {
 			$moveSuccessful = true;
 			if ($trashStorage->file_exists($trashInternalPath)) {
@@ -252,7 +252,7 @@ 
 			if ($trashStorage->file_exists($trashInternalPath)) {
 				$trashStorage->unlink($trashInternalPath);
 			}
-			\OCP\Util::writeLog('files_trashbin', 'Couldn\'t move ' . $file_path . ' to the trash bin', \OCP\Util::ERROR);
+			\OCP\Util::writeLog('files_trashbin', 'Couldn\'t move '.$file_path.' to the trash bin', \OCP\Util::ERROR);
 		}
 
 		if ($sourceStorage->file_exists($sourceInternalPath)) { // failed to delete the original file, abort
@@ -269,7 +269,7 @@ 
 				\OCP\Util::writeLog('files_trashbin', 'trash bin database couldn\'t be updated', \OCP\Util::ERROR);
 			}
 			\OCP\Util::emitHook('\OCA\Files_Trashbin\Trashbin', 'post_moveToTrash', array('filePath' => Filesystem::normalizePath($file_path),
-				'trashPath' => Filesystem::normalizePath($filename . '.d' . $timestamp)));
+				'trashPath' => Filesystem::normalizePath($filename.'.d'.$timestamp)));
 
 			self::retainVersions($filename, $owner, $ownerPath, $timestamp);
 
@@ -303,18 +303,18 @@ 
 			$user = User::getUser();
 			$rootView = new View('/');
 
-			if ($rootView->is_dir($owner . '/files_versions/' . $ownerPath)) {
+			if ($rootView->is_dir($owner.'/files_versions/'.$ownerPath)) {
 				if ($owner !== $user) {
-					self::copy_recursive($owner . '/files_versions/' . $ownerPath, $owner . '/files_trashbin/versions/' . basename($ownerPath) . '.d' . $timestamp, $rootView);
+					self::copy_recursive($owner.'/files_versions/'.$ownerPath, $owner.'/files_trashbin/versions/'.basename($ownerPath).'.d'.$timestamp, $rootView);
 				}
-				self::move($rootView, $owner . '/files_versions/' . $ownerPath, $user . '/files_trashbin/versions/' . $filename . '.d' . $timestamp);
+				self::move($rootView, $owner.'/files_versions/'.$ownerPath, $user.'/files_trashbin/versions/'.$filename.'.d'.$timestamp);
 			} else if ($versions = \OCA\Files_Versions\Storage::getVersions($owner, $ownerPath)) {
 
 				foreach ($versions as $v) {
 					if ($owner !== $user) {
-						self::copy($rootView, $owner . '/files_versions' . $v['path'] . '.v' . $v['version'], $owner . '/files_trashbin/versions/' . $v['name'] . '.v' . $v['version'] . '.d' . $timestamp);
+						self::copy($rootView, $owner.'/files_versions'.$v['path'].'.v'.$v['version'], $owner.'/files_trashbin/versions/'.$v['name'].'.v'.$v['version'].'.d'.$timestamp);
 					}
-					self::move($rootView, $owner . '/files_versions' . $v['path'] . '.v' . $v['version'], $user . '/files_trashbin/versions/' . $filename . '.v' . $v['version'] . '.d' . $timestamp);
+					self::move($rootView, $owner.'/files_versions'.$v['path'].'.v'.$v['version'], $user.'/files_trashbin/versions/'.$filename.'.v'.$v['version'].'.d'.$timestamp);
 				}
 			}
 		}
@@ -376,7 +376,7 @@ 
 	 */
 	public static function restore($file, $filename, $timestamp) {
 		$user = User::getUser();
-		$view = new View('/' . $user);
+		$view = new View('/'.$user);
 
 		$location = '';
 		if ($timestamp) {
@@ -386,8 +386,8 @@ 
 			} else {
 				// if location no longer exists, restore file in the root directory
 				if ($location !== '/' &&
-					(!$view->is_dir('files/' . $location) ||
-						!$view->isCreatable('files/' . $location))
+					(!$view->is_dir('files/'.$location) ||
+						!$view->isCreatable('files/'.$location))
 				) {
 					$location = '';
 				}
@@ -397,8 +397,8 @@ 
 		// we need a  extension in case a file/dir with the same name already exists
 		$uniqueFilename = self::getUniqueFilename($location, $filename, $view);
 
-		$source = Filesystem::normalizePath('files_trashbin/files/' . $file);
-		$target = Filesystem::normalizePath('files/' . $location . '/' . $uniqueFilename);
+		$source = Filesystem::normalizePath('files_trashbin/files/'.$file);
+		$target = Filesystem::normalizePath('files/'.$location.'/'.$uniqueFilename);
 		if (!$view->file_exists($source)) {
 			return false;
 		}
@@ -410,10 +410,10 @@ 
 		// handle the restore result
 		if ($restoreResult) {
 			$fakeRoot = $view->getRoot();
-			$view->chroot('/' . $user . '/files');
-			$view->touch('/' . $location . '/' . $uniqueFilename, $mtime);
+			$view->chroot('/'.$user.'/files');
+			$view->touch('/'.$location.'/'.$uniqueFilename, $mtime);
 			$view->chroot($fakeRoot);
-			\OCP\Util::emitHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', array('filePath' => Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename),
+			\OCP\Util::emitHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', array('filePath' => Filesystem::normalizePath('/'.$location.'/'.$uniqueFilename),
 				'trashPath' => Filesystem::normalizePath($file)));
 
 			self::restoreVersions($view, $file, $filename, $uniqueFilename, $location, $timestamp);
@@ -447,7 +447,7 @@ 
 			$user = User::getUser();
 			$rootView = new View('/');
 
-			$target = Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename);
+			$target = Filesystem::normalizePath('/'.$location.'/'.$uniqueFilename);
 
 			list($owner, $ownerPath) = self::getUidAndFilename($target);
 
@@ -462,14 +462,14 @@ 
 				$versionedFile = $file;
 			}
 
-			if ($view->is_dir('/files_trashbin/versions/' . $file)) {
-				$rootView->rename(Filesystem::normalizePath($user . '/files_trashbin/versions/' . $file), Filesystem::normalizePath($owner . '/files_versions/' . $ownerPath));
+			if ($view->is_dir('/files_trashbin/versions/'.$file)) {
+				$rootView->rename(Filesystem::normalizePath($user.'/files_trashbin/versions/'.$file), Filesystem::normalizePath($owner.'/files_versions/'.$ownerPath));
 			} else if ($versions = self::getVersionsFromTrash($versionedFile, $timestamp, $user)) {
 				foreach ($versions as $v) {
 					if ($timestamp) {
-						$rootView->rename($user . '/files_trashbin/versions/' . $versionedFile . '.v' . $v . '.d' . $timestamp, $owner . '/files_versions/' . $ownerPath . '.v' . $v);
+						$rootView->rename($user.'/files_trashbin/versions/'.$versionedFile.'.v'.$v.'.d'.$timestamp, $owner.'/files_versions/'.$ownerPath.'.v'.$v);
 					} else {
-						$rootView->rename($user . '/files_trashbin/versions/' . $versionedFile . '.v' . $v, $owner . '/files_versions/' . $ownerPath . '.v' . $v);
+						$rootView->rename($user.'/files_trashbin/versions/'.$versionedFile.'.v'.$v, $owner.'/files_versions/'.$ownerPath.'.v'.$v);
 					}
 				}
 			}
@@ -481,12 +481,12 @@ 
 	 */
 	public static function deleteAll() {
 		$user = User::getUser();
-		$view = new View('/' . $user);
+		$view = new View('/'.$user);
 		$fileInfos = $view->getDirectoryContent('files_trashbin/files');
 
 		// Array to store the relative path in (after the file is deleted, the view won't be able to relativise the path anymore)
 		$filePaths = array();
-		foreach($fileInfos as $fileInfo){
+		foreach ($fileInfos as $fileInfo) {
 			$filePaths[] = $view->getRelativePath($fileInfo->getPath());
 		}
 		unset($fileInfos); // save memory
@@ -495,7 +495,7 @@ 
 		\OC_Hook::emit('\OCP\Trashbin', 'preDeleteAll', array('paths' => $filePaths));
 
 		// Single-File Hooks
-		foreach($filePaths as $path){
+		foreach ($filePaths as $path) {
 			self::emitTrashbinPreDelete($path);
 		}
 
@@ -508,7 +508,7 @@ 
 		\OC_Hook::emit('\OCP\Trashbin', 'deleteAll', array('paths' => $filePaths));
 
 		// Single-File Hooks
-		foreach($filePaths as $path){
+		foreach ($filePaths as $path) {
 			self::emitTrashbinPostDelete($path);
 		}
 
@@ -522,7 +522,7 @@ 
 	 * wrapper function to emit the 'preDelete' hook of \OCP\Trashbin before a file is deleted
 	 * @param string $path
 	 */
-	protected static function emitTrashbinPreDelete($path){
+	protected static function emitTrashbinPreDelete($path) {
 		\OC_Hook::emit('\OCP\Trashbin', 'preDelete', array('path' => $path));
 	}
 
@@ -530,7 +530,7 @@ 
 	 * wrapper function to emit the 'delete' hook of \OCP\Trashbin after a file has been deleted
 	 * @param string $path
 	 */
-	protected static function emitTrashbinPostDelete($path){
+	protected static function emitTrashbinPostDelete($path) {
 		\OC_Hook::emit('\OCP\Trashbin', 'delete', array('path' => $path));
 	}
 
@@ -544,27 +544,27 @@ 
 	 * @return int size of deleted files
 	 */
 	public static function delete($filename, $user, $timestamp = null) {
-		$view = new View('/' . $user);
+		$view = new View('/'.$user);
 		$size = 0;
 
 		if ($timestamp) {
 			$query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=? AND `id`=? AND `timestamp`=?');
 			$query->execute(array($user, $filename, $timestamp));
-			$file = $filename . '.d' . $timestamp;
+			$file = $filename.'.d'.$timestamp;
 		} else {
 			$file = $filename;
 		}
 
 		$size += self::deleteVersions($view, $file, $filename, $timestamp, $user);
 
-		if ($view->is_dir('/files_trashbin/files/' . $file)) {
-			$size += self::calculateSize(new View('/' . $user . '/files_trashbin/files/' . $file));
+		if ($view->is_dir('/files_trashbin/files/'.$file)) {
+			$size += self::calculateSize(new View('/'.$user.'/files_trashbin/files/'.$file));
 		} else {
-			$size += $view->filesize('/files_trashbin/files/' . $file);
+			$size += $view->filesize('/files_trashbin/files/'.$file);
 		}
-		self::emitTrashbinPreDelete('/files_trashbin/files/' . $file);
-		$view->unlink('/files_trashbin/files/' . $file);
-		self::emitTrashbinPostDelete('/files_trashbin/files/' . $file);
+		self::emitTrashbinPreDelete('/files_trashbin/files/'.$file);
+		$view->unlink('/files_trashbin/files/'.$file);
+		self::emitTrashbinPostDelete('/files_trashbin/files/'.$file);
 
 		return $size;
 	}
@@ -580,17 +580,17 @@ 
 	private static function deleteVersions(View $view, $file, $filename, $timestamp, $user) {
 		$size = 0;
 		if (\OCP\App::isEnabled('files_versions')) {
-			if ($view->is_dir('files_trashbin/versions/' . $file)) {
-				$size += self::calculateSize(new View('/' . $user . '/files_trashbin/versions/' . $file));
-				$view->unlink('files_trashbin/versions/' . $file);
+			if ($view->is_dir('files_trashbin/versions/'.$file)) {
+				$size += self::calculateSize(new View('/'.$user.'/files_trashbin/versions/'.$file));
+				$view->unlink('files_trashbin/versions/'.$file);
 			} else if ($versions = self::getVersionsFromTrash($filename, $timestamp, $user)) {
 				foreach ($versions as $v) {
 					if ($timestamp) {
-						$size += $view->filesize('/files_trashbin/versions/' . $filename . '.v' . $v . '.d' . $timestamp);
-						$view->unlink('/files_trashbin/versions/' . $filename . '.v' . $v . '.d' . $timestamp);
+						$size += $view->filesize('/files_trashbin/versions/'.$filename.'.v'.$v.'.d'.$timestamp);
+						$view->unlink('/files_trashbin/versions/'.$filename.'.v'.$v.'.d'.$timestamp);
 					} else {
-						$size += $view->filesize('/files_trashbin/versions/' . $filename . '.v' . $v);
-						$view->unlink('/files_trashbin/versions/' . $filename . '.v' . $v);
+						$size += $view->filesize('/files_trashbin/versions/'.$filename.'.v'.$v);
+						$view->unlink('/files_trashbin/versions/'.$filename.'.v'.$v);
 					}
 				}
 			}
@@ -607,15 +607,15 @@ 
 	 */
 	public static function file_exists($filename, $timestamp = null) {
 		$user = User::getUser();
-		$view = new View('/' . $user);
+		$view = new View('/'.$user);
 
 		if ($timestamp) {
-			$filename = $filename . '.d' . $timestamp;
+			$filename = $filename.'.d'.$timestamp;
 		} else {
 			$filename = $filename;
 		}
 
-		$target = Filesystem::normalizePath('files_trashbin/files/' . $filename);
+		$target = Filesystem::normalizePath('files_trashbin/files/'.$filename);
 		return $view->file_exists($target);
 	}
 
@@ -640,7 +640,7 @@ 
 	private static function calculateFreeSpace($trashbinSize, $user) {
 		$softQuota = true;
 		$userObject = \OC::$server->getUserManager()->get($user);
-		if(is_null($userObject)) {
+		if (is_null($userObject)) {
 			return 0;
 		}
 		$quota = $userObject->getQuota();
@@ -659,7 +659,7 @@ 
 		// subtract size of files and current trash bin size from quota
 		if ($softQuota) {
 			$userFolder = \OC::$server->getUserFolder($user);
-			if(is_null($userFolder)) {
+			if (is_null($userFolder)) {
 				return 0;
 			}
 			$free = $quota - $userFolder->getSize(); // remaining free space for user
@@ -741,7 +741,7 @@ 
 			foreach ($files as $file) {
 				if ($availableSpace < 0 && $expiration->isExpired($file['mtime'], true)) {
 					$tmp = self::delete($file['name'], $user, $file['mtime']);
-					\OCP\Util::writeLog('files_trashbin', 'remove "' . $file['name'] . '" (' . $tmp . 'B) to meet the limit of trash bin size (50% of available quota)', \OCP\Util::INFO);
+					\OCP\Util::writeLog('files_trashbin', 'remove "'.$file['name'].'" ('.$tmp.'B) to meet the limit of trash bin size (50% of available quota)', \OCP\Util::INFO);
 					$availableSpace += $tmp;
 					$size += $tmp;
 				} else {
@@ -771,7 +771,7 @@ 
 				$count++;
 				$size += self::delete($filename, $user, $timestamp);
 				\OC::$server->getLogger()->info(
-					'Remove "' . $filename . '" from trashbin because it exceeds max retention obligation term.',
+					'Remove "'.$filename.'" from trashbin because it exceeds max retention obligation term.',
 					['app' => 'files_trashbin']
 				);
 			} else {
@@ -797,16 +797,16 @@ 
 			$view->mkdir($destination);
 			$view->touch($destination, $view->filemtime($source));
 			foreach ($view->getDirectoryContent($source) as $i) {
-				$pathDir = $source . '/' . $i['name'];
+				$pathDir = $source.'/'.$i['name'];
 				if ($view->is_dir($pathDir)) {
-					$size += self::copy_recursive($pathDir, $destination . '/' . $i['name'], $view);
+					$size += self::copy_recursive($pathDir, $destination.'/'.$i['name'], $view);
 				} else {
 					$size += $view->filesize($pathDir);
-					$result = $view->copy($pathDir, $destination . '/' . $i['name']);
+					$result = $view->copy($pathDir, $destination.'/'.$i['name']);
 					if (!$result) {
 						throw new \OCA\Files_Trashbin\Exceptions\CopyRecursiveException();
 					}
-					$view->touch($destination . '/' . $i['name'], $view->filemtime($pathDir));
+					$view->touch($destination.'/'.$i['name'], $view->filemtime($pathDir));
 				}
 			}
 		} else {
@@ -828,7 +828,7 @@ 
 	 * @return array
 	 */
 	private static function getVersionsFromTrash($filename, $timestamp, $user) {
-		$view = new View('/' . $user . '/files_trashbin/versions');
+		$view = new View('/'.$user.'/files_trashbin/versions');
 		$versions = array();
 
 		//force rescan of versions, local storage may not have updated the cache
@@ -841,10 +841,10 @@ 
 
 		if ($timestamp) {
 			// fetch for old versions
-			$matches = $view->searchRaw($filename . '.v%.d' . $timestamp);
+			$matches = $view->searchRaw($filename.'.v%.d'.$timestamp);
 			$offset = -strlen($timestamp) - 2;
 		} else {
-			$matches = $view->searchRaw($filename . '.v%');
+			$matches = $view->searchRaw($filename.'.v%');
 		}
 
 		if (is_array($matches)) {
@@ -874,18 +874,18 @@ 
 		$name = pathinfo($filename, PATHINFO_FILENAME);
 		$l = \OC::$server->getL10N('files_trashbin');
 
-		$location = '/' . trim($location, '/');
+		$location = '/'.trim($location, '/');
 
 		// if extension is not empty we set a dot in front of it
 		if ($ext !== '') {
-			$ext = '.' . $ext;
+			$ext = '.'.$ext;
 		}
 
-		if ($view->file_exists('files' . $location . '/' . $filename)) {
+		if ($view->file_exists('files'.$location.'/'.$filename)) {
 			$i = 2;
-			$uniqueName = $name . " (" . $l->t("restored") . ")" . $ext;
-			while ($view->file_exists('files' . $location . '/' . $uniqueName)) {
-				$uniqueName = $name . " (" . $l->t("restored") . " " . $i . ")" . $ext;
+			$uniqueName = $name." (".$l->t("restored").")".$ext;
+			while ($view->file_exists('files'.$location.'/'.$uniqueName)) {
+				$uniqueName = $name." (".$l->t("restored")." ".$i.")".$ext;
 				$i++;
 			}
 
@@ -902,7 +902,7 @@ 
 	 * @return integer size of the folder
 	 */
 	private static function calculateSize($view) {
-		$root = \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data') . $view->getAbsolutePath('');
+		$root = \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT.'/data').$view->getAbsolutePath('');
 		if (!file_exists($root)) {
 			return 0;
 		}
@@ -933,7 +933,7 @@ 
 	 * @return integer trash bin size
 	 */
 	private static function getTrashbinSize($user) {
-		$view = new View('/' . $user);
+		$view = new View('/'.$user);
 		$fileInfo = $view->getFileInfo('/files_trashbin');
 		return isset($fileInfo['size']) ? $fileInfo['size'] : 0;
 	}
@@ -962,7 +962,7 @@ 
 	 */
 	public static function isEmpty($user) {
 
-		$view = new View('/' . $user . '/files_trashbin');
+		$view = new View('/'.$user.'/files_trashbin');
 		if ($view->is_dir('/files') && $dh = $view->opendir('/files')) {
 			while ($file = readdir($dh)) {
 				if (!Filesystem::isIgnoredDir($file)) {

Indentation +937 added lines, -937 removed lines

@@ -47,941 +47,941 @@
 
 class Trashbin {
 
-	// unit: percentage; 50% of available disk space/quota
-	const DEFAULTMAXSIZE = 50;
-
-	/**
-	 * Whether versions have already be rescanned during this PHP request
-	 *
-	 * @var bool
-	 */
-	private static $scannedVersions = false;
-
-	/**
-	 * Ensure we don't need to scan the file during the move to trash
-	 * by triggering the scan in the pre-hook
-	 *
-	 * @param array $params
-	 */
-	public static function ensureFileScannedHook($params) {
-		try {
-			self::getUidAndFilename($params['path']);
-		} catch (NotFoundException $e) {
-			// nothing to scan for non existing files
-		}
-	}
-
-	/**
-	 * get the UID of the owner of the file and the path to the file relative to
-	 * owners files folder
-	 *
-	 * @param string $filename
-	 * @return array
-	 * @throws \OC\User\NoUserException
-	 */
-	public static function getUidAndFilename($filename) {
-		$uid = Filesystem::getOwner($filename);
-		$userManager = \OC::$server->getUserManager();
-		// if the user with the UID doesn't exists, e.g. because the UID points
-		// to a remote user with a federated cloud ID we use the current logged-in
-		// user. We need a valid local user to move the file to the right trash bin
-		if (!$userManager->userExists($uid)) {
-			$uid = User::getUser();
-		}
-		if (!$uid) {
-			// no owner, usually because of share link from ext storage
-			return [null, null];
-		}
-		Filesystem::initMountPoints($uid);
-		if ($uid != User::getUser()) {
-			$info = Filesystem::getFileInfo($filename);
-			$ownerView = new View('/' . $uid . '/files');
-			try {
-				$filename = $ownerView->getPath($info['fileid']);
-			} catch (NotFoundException $e) {
-				$filename = null;
-			}
-		}
-		return [$uid, $filename];
-	}
-
-	/**
-	 * get original location of files for user
-	 *
-	 * @param string $user
-	 * @return array (filename => array (timestamp => original location))
-	 */
-	public static function getLocations($user) {
-		$query = \OC_DB::prepare('SELECT `id`, `timestamp`, `location`'
-			. ' FROM `*PREFIX*files_trash` WHERE `user`=?');
-		$result = $query->execute(array($user));
-		$array = array();
-		while ($row = $result->fetchRow()) {
-			if (isset($array[$row['id']])) {
-				$array[$row['id']][$row['timestamp']] = $row['location'];
-			} else {
-				$array[$row['id']] = array($row['timestamp'] => $row['location']);
-			}
-		}
-		return $array;
-	}
-
-	/**
-	 * get original location of file
-	 *
-	 * @param string $user
-	 * @param string $filename
-	 * @param string $timestamp
-	 * @return string original location
-	 */
-	public static function getLocation($user, $filename, $timestamp) {
-		$query = \OC_DB::prepare('SELECT `location` FROM `*PREFIX*files_trash`'
-			. ' WHERE `user`=? AND `id`=? AND `timestamp`=?');
-		$result = $query->execute(array($user, $filename, $timestamp))->fetchAll();
-		if (isset($result[0]['location'])) {
-			return $result[0]['location'];
-		} else {
-			return false;
-		}
-	}
-
-	private static function setUpTrash($user) {
-		$view = new View('/' . $user);
-		if (!$view->is_dir('files_trashbin')) {
-			$view->mkdir('files_trashbin');
-		}
-		if (!$view->is_dir('files_trashbin/files')) {
-			$view->mkdir('files_trashbin/files');
-		}
-		if (!$view->is_dir('files_trashbin/versions')) {
-			$view->mkdir('files_trashbin/versions');
-		}
-		if (!$view->is_dir('files_trashbin/keys')) {
-			$view->mkdir('files_trashbin/keys');
-		}
-	}
-
-
-	/**
-	 * copy file to owners trash
-	 *
-	 * @param string $sourcePath
-	 * @param string $owner
-	 * @param string $targetPath
-	 * @param $user
-	 * @param integer $timestamp
-	 */
-	private static function copyFilesToUser($sourcePath, $owner, $targetPath, $user, $timestamp) {
-		self::setUpTrash($owner);
-
-		$targetFilename = basename($targetPath);
-		$targetLocation = dirname($targetPath);
-
-		$sourceFilename = basename($sourcePath);
-
-		$view = new View('/');
-
-		$target = $user . '/files_trashbin/files/' . $targetFilename . '.d' . $timestamp;
-		$source = $owner . '/files_trashbin/files/' . $sourceFilename . '.d' . $timestamp;
-		self::copy_recursive($source, $target, $view);
-
-
-		if ($view->file_exists($target)) {
-			$query = \OC_DB::prepare("INSERT INTO `*PREFIX*files_trash` (`id`,`timestamp`,`location`,`user`) VALUES (?,?,?,?)");
-			$result = $query->execute(array($targetFilename, $timestamp, $targetLocation, $user));
-			if (!$result) {
-				\OCP\Util::writeLog('files_trashbin', 'trash bin database couldn\'t be updated for the files owner', \OCP\Util::ERROR);
-			}
-		}
-	}
-
-
-	/**
-	 * move file to the trash bin
-	 *
-	 * @param string $file_path path to the deleted file/directory relative to the files root directory
-	 * @param bool $ownerOnly delete for owner only (if file gets moved out of a shared folder)
-	 *
-	 * @return bool
-	 */
-	public static function move2trash($file_path, $ownerOnly = false) {
-		// get the user for which the filesystem is setup
-		$root = Filesystem::getRoot();
-		list(, $user) = explode('/', $root);
-		list($owner, $ownerPath) = self::getUidAndFilename($file_path);
-
-		// if no owner found (ex: ext storage + share link), will use the current user's trashbin then
-		if (is_null($owner)) {
-			$owner = $user;
-			$ownerPath = $file_path;
-		}
-
-		$ownerView = new View('/' . $owner);
-		// file has been deleted in between
-		if (is_null($ownerPath) || $ownerPath === '' || !$ownerView->file_exists('/files/' . $ownerPath)) {
-			return true;
-		}
-
-		self::setUpTrash($user);
-		if ($owner !== $user) {
-			// also setup for owner
-			self::setUpTrash($owner);
-		}
-
-		$path_parts = pathinfo($ownerPath);
-
-		$filename = $path_parts['basename'];
-		$location = $path_parts['dirname'];
-		$timestamp = time();
-
-		// disable proxy to prevent recursive calls
-		$trashPath = '/files_trashbin/files/' . $filename . '.d' . $timestamp;
-
-		/** @var \OC\Files\Storage\Storage $trashStorage */
-		list($trashStorage, $trashInternalPath) = $ownerView->resolvePath($trashPath);
-		/** @var \OC\Files\Storage\Storage $sourceStorage */
-		list($sourceStorage, $sourceInternalPath) = $ownerView->resolvePath('/files/' . $ownerPath);
-		try {
-			$moveSuccessful = true;
-			if ($trashStorage->file_exists($trashInternalPath)) {
-				$trashStorage->unlink($trashInternalPath);
-			}
-			$trashStorage->moveFromStorage($sourceStorage, $sourceInternalPath, $trashInternalPath);
-		} catch (\OCA\Files_Trashbin\Exceptions\CopyRecursiveException $e) {
-			$moveSuccessful = false;
-			if ($trashStorage->file_exists($trashInternalPath)) {
-				$trashStorage->unlink($trashInternalPath);
-			}
-			\OCP\Util::writeLog('files_trashbin', 'Couldn\'t move ' . $file_path . ' to the trash bin', \OCP\Util::ERROR);
-		}
-
-		if ($sourceStorage->file_exists($sourceInternalPath)) { // failed to delete the original file, abort
-			if ($sourceStorage->is_dir($sourceInternalPath)) {
-				$sourceStorage->rmdir($sourceInternalPath);
-			} else {
-				$sourceStorage->unlink($sourceInternalPath);
-			}
-			return false;
-		}
-
-		$trashStorage->getUpdater()->renameFromStorage($sourceStorage, $sourceInternalPath, $trashInternalPath);
-
-		if ($moveSuccessful) {
-			$query = \OC_DB::prepare("INSERT INTO `*PREFIX*files_trash` (`id`,`timestamp`,`location`,`user`) VALUES (?,?,?,?)");
-			$result = $query->execute(array($filename, $timestamp, $location, $owner));
-			if (!$result) {
-				\OCP\Util::writeLog('files_trashbin', 'trash bin database couldn\'t be updated', \OCP\Util::ERROR);
-			}
-			\OCP\Util::emitHook('\OCA\Files_Trashbin\Trashbin', 'post_moveToTrash', array('filePath' => Filesystem::normalizePath($file_path),
-				'trashPath' => Filesystem::normalizePath($filename . '.d' . $timestamp)));
-
-			self::retainVersions($filename, $owner, $ownerPath, $timestamp);
-
-			// if owner !== user we need to also add a copy to the users trash
-			if ($user !== $owner && $ownerOnly === false) {
-				self::copyFilesToUser($ownerPath, $owner, $file_path, $user, $timestamp);
-			}
-		}
-
-		self::scheduleExpire($user);
-
-		// if owner !== user we also need to update the owners trash size
-		if ($owner !== $user) {
-			self::scheduleExpire($owner);
-		}
-
-		return $moveSuccessful;
-	}
-
-	/**
-	 * Move file versions to trash so that they can be restored later
-	 *
-	 * @param string $filename of deleted file
-	 * @param string $owner owner user id
-	 * @param string $ownerPath path relative to the owner's home storage
-	 * @param integer $timestamp when the file was deleted
-	 */
-	private static function retainVersions($filename, $owner, $ownerPath, $timestamp) {
-		if (\OCP\App::isEnabled('files_versions') && !empty($ownerPath)) {
-
-			$user = User::getUser();
-			$rootView = new View('/');
-
-			if ($rootView->is_dir($owner . '/files_versions/' . $ownerPath)) {
-				if ($owner !== $user) {
-					self::copy_recursive($owner . '/files_versions/' . $ownerPath, $owner . '/files_trashbin/versions/' . basename($ownerPath) . '.d' . $timestamp, $rootView);
-				}
-				self::move($rootView, $owner . '/files_versions/' . $ownerPath, $user . '/files_trashbin/versions/' . $filename . '.d' . $timestamp);
-			} else if ($versions = \OCA\Files_Versions\Storage::getVersions($owner, $ownerPath)) {
-
-				foreach ($versions as $v) {
-					if ($owner !== $user) {
-						self::copy($rootView, $owner . '/files_versions' . $v['path'] . '.v' . $v['version'], $owner . '/files_trashbin/versions/' . $v['name'] . '.v' . $v['version'] . '.d' . $timestamp);
-					}
-					self::move($rootView, $owner . '/files_versions' . $v['path'] . '.v' . $v['version'], $user . '/files_trashbin/versions/' . $filename . '.v' . $v['version'] . '.d' . $timestamp);
-				}
-			}
-		}
-	}
-
-	/**
-	 * Move a file or folder on storage level
-	 *
-	 * @param View $view
-	 * @param string $source
-	 * @param string $target
-	 * @return bool
-	 */
-	private static function move(View $view, $source, $target) {
-		/** @var \OC\Files\Storage\Storage $sourceStorage */
-		list($sourceStorage, $sourceInternalPath) = $view->resolvePath($source);
-		/** @var \OC\Files\Storage\Storage $targetStorage */
-		list($targetStorage, $targetInternalPath) = $view->resolvePath($target);
-		/** @var \OC\Files\Storage\Storage $ownerTrashStorage */
-
-		$result = $targetStorage->moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
-		if ($result) {
-			$targetStorage->getUpdater()->renameFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
-		}
-		return $result;
-	}
-
-	/**
-	 * Copy a file or folder on storage level
-	 *
-	 * @param View $view
-	 * @param string $source
-	 * @param string $target
-	 * @return bool
-	 */
-	private static function copy(View $view, $source, $target) {
-		/** @var \OC\Files\Storage\Storage $sourceStorage */
-		list($sourceStorage, $sourceInternalPath) = $view->resolvePath($source);
-		/** @var \OC\Files\Storage\Storage $targetStorage */
-		list($targetStorage, $targetInternalPath) = $view->resolvePath($target);
-		/** @var \OC\Files\Storage\Storage $ownerTrashStorage */
-
-		$result = $targetStorage->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
-		if ($result) {
-			$targetStorage->getUpdater()->update($targetInternalPath);
-		}
-		return $result;
-	}
-
-	/**
-	 * Restore a file or folder from trash bin
-	 *
-	 * @param string $file path to the deleted file/folder relative to "files_trashbin/files/",
-	 * including the timestamp suffix ".d12345678"
-	 * @param string $filename name of the file/folder
-	 * @param int $timestamp time when the file/folder was deleted
-	 *
-	 * @return bool true on success, false otherwise
-	 */
-	public static function restore($file, $filename, $timestamp) {
-		$user = User::getUser();
-		$view = new View('/' . $user);
-
-		$location = '';
-		if ($timestamp) {
-			$location = self::getLocation($user, $filename, $timestamp);
-			if ($location === false) {
-				\OCP\Util::writeLog('files_trashbin', 'trash bin database inconsistent!', \OCP\Util::ERROR);
-			} else {
-				// if location no longer exists, restore file in the root directory
-				if ($location !== '/' &&
-					(!$view->is_dir('files/' . $location) ||
-						!$view->isCreatable('files/' . $location))
-				) {
-					$location = '';
-				}
-			}
-		}
-
-		// we need a  extension in case a file/dir with the same name already exists
-		$uniqueFilename = self::getUniqueFilename($location, $filename, $view);
-
-		$source = Filesystem::normalizePath('files_trashbin/files/' . $file);
-		$target = Filesystem::normalizePath('files/' . $location . '/' . $uniqueFilename);
-		if (!$view->file_exists($source)) {
-			return false;
-		}
-		$mtime = $view->filemtime($source);
-
-		// restore file
-		$restoreResult = $view->rename($source, $target);
-
-		// handle the restore result
-		if ($restoreResult) {
-			$fakeRoot = $view->getRoot();
-			$view->chroot('/' . $user . '/files');
-			$view->touch('/' . $location . '/' . $uniqueFilename, $mtime);
-			$view->chroot($fakeRoot);
-			\OCP\Util::emitHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', array('filePath' => Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename),
-				'trashPath' => Filesystem::normalizePath($file)));
-
-			self::restoreVersions($view, $file, $filename, $uniqueFilename, $location, $timestamp);
-
-			if ($timestamp) {
-				$query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=? AND `id`=? AND `timestamp`=?');
-				$query->execute(array($user, $filename, $timestamp));
-			}
-
-			return true;
-		}
-
-		return false;
-	}
-
-	/**
-	 * restore versions from trash bin
-	 *
-	 * @param View $view file view
-	 * @param string $file complete path to file
-	 * @param string $filename name of file once it was deleted
-	 * @param string $uniqueFilename new file name to restore the file without overwriting existing files
-	 * @param string $location location if file
-	 * @param int $timestamp deletion time
-	 * @return false|null
-	 */
-	private static function restoreVersions(View $view, $file, $filename, $uniqueFilename, $location, $timestamp) {
-
-		if (\OCP\App::isEnabled('files_versions')) {
-
-			$user = User::getUser();
-			$rootView = new View('/');
-
-			$target = Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename);
-
-			list($owner, $ownerPath) = self::getUidAndFilename($target);
-
-			// file has been deleted in between
-			if (empty($ownerPath)) {
-				return false;
-			}
-
-			if ($timestamp) {
-				$versionedFile = $filename;
-			} else {
-				$versionedFile = $file;
-			}
-
-			if ($view->is_dir('/files_trashbin/versions/' . $file)) {
-				$rootView->rename(Filesystem::normalizePath($user . '/files_trashbin/versions/' . $file), Filesystem::normalizePath($owner . '/files_versions/' . $ownerPath));
-			} else if ($versions = self::getVersionsFromTrash($versionedFile, $timestamp, $user)) {
-				foreach ($versions as $v) {
-					if ($timestamp) {
-						$rootView->rename($user . '/files_trashbin/versions/' . $versionedFile . '.v' . $v . '.d' . $timestamp, $owner . '/files_versions/' . $ownerPath . '.v' . $v);
-					} else {
-						$rootView->rename($user . '/files_trashbin/versions/' . $versionedFile . '.v' . $v, $owner . '/files_versions/' . $ownerPath . '.v' . $v);
-					}
-				}
-			}
-		}
-	}
-
-	/**
-	 * delete all files from the trash
-	 */
-	public static function deleteAll() {
-		$user = User::getUser();
-		$view = new View('/' . $user);
-		$fileInfos = $view->getDirectoryContent('files_trashbin/files');
-
-		// Array to store the relative path in (after the file is deleted, the view won't be able to relativise the path anymore)
-		$filePaths = array();
-		foreach($fileInfos as $fileInfo){
-			$filePaths[] = $view->getRelativePath($fileInfo->getPath());
-		}
-		unset($fileInfos); // save memory
-
-		// Bulk PreDelete-Hook
-		\OC_Hook::emit('\OCP\Trashbin', 'preDeleteAll', array('paths' => $filePaths));
-
-		// Single-File Hooks
-		foreach($filePaths as $path){
-			self::emitTrashbinPreDelete($path);
-		}
-
-		// actual file deletion
-		$view->deleteAll('files_trashbin');
-		$query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=?');
-		$query->execute(array($user));
-
-		// Bulk PostDelete-Hook
-		\OC_Hook::emit('\OCP\Trashbin', 'deleteAll', array('paths' => $filePaths));
-
-		// Single-File Hooks
-		foreach($filePaths as $path){
-			self::emitTrashbinPostDelete($path);
-		}
-
-		$view->mkdir('files_trashbin');
-		$view->mkdir('files_trashbin/files');
-
-		return true;
-	}
-
-	/**
-	 * wrapper function to emit the 'preDelete' hook of \OCP\Trashbin before a file is deleted
-	 * @param string $path
-	 */
-	protected static function emitTrashbinPreDelete($path){
-		\OC_Hook::emit('\OCP\Trashbin', 'preDelete', array('path' => $path));
-	}
-
-	/**
-	 * wrapper function to emit the 'delete' hook of \OCP\Trashbin after a file has been deleted
-	 * @param string $path
-	 */
-	protected static function emitTrashbinPostDelete($path){
-		\OC_Hook::emit('\OCP\Trashbin', 'delete', array('path' => $path));
-	}
-
-	/**
-	 * delete file from trash bin permanently
-	 *
-	 * @param string $filename path to the file
-	 * @param string $user
-	 * @param int $timestamp of deletion time
-	 *
-	 * @return int size of deleted files
-	 */
-	public static function delete($filename, $user, $timestamp = null) {
-		$view = new View('/' . $user);
-		$size = 0;
-
-		if ($timestamp) {
-			$query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=? AND `id`=? AND `timestamp`=?');
-			$query->execute(array($user, $filename, $timestamp));
-			$file = $filename . '.d' . $timestamp;
-		} else {
-			$file = $filename;
-		}
-
-		$size += self::deleteVersions($view, $file, $filename, $timestamp, $user);
-
-		if ($view->is_dir('/files_trashbin/files/' . $file)) {
-			$size += self::calculateSize(new View('/' . $user . '/files_trashbin/files/' . $file));
-		} else {
-			$size += $view->filesize('/files_trashbin/files/' . $file);
-		}
-		self::emitTrashbinPreDelete('/files_trashbin/files/' . $file);
-		$view->unlink('/files_trashbin/files/' . $file);
-		self::emitTrashbinPostDelete('/files_trashbin/files/' . $file);
-
-		return $size;
-	}
-
-	/**
-	 * @param View $view
-	 * @param string $file
-	 * @param string $filename
-	 * @param integer|null $timestamp
-	 * @param string $user
-	 * @return int
-	 */
-	private static function deleteVersions(View $view, $file, $filename, $timestamp, $user) {
-		$size = 0;
-		if (\OCP\App::isEnabled('files_versions')) {
-			if ($view->is_dir('files_trashbin/versions/' . $file)) {
-				$size += self::calculateSize(new View('/' . $user . '/files_trashbin/versions/' . $file));
-				$view->unlink('files_trashbin/versions/' . $file);
-			} else if ($versions = self::getVersionsFromTrash($filename, $timestamp, $user)) {
-				foreach ($versions as $v) {
-					if ($timestamp) {
-						$size += $view->filesize('/files_trashbin/versions/' . $filename . '.v' . $v . '.d' . $timestamp);
-						$view->unlink('/files_trashbin/versions/' . $filename . '.v' . $v . '.d' . $timestamp);
-					} else {
-						$size += $view->filesize('/files_trashbin/versions/' . $filename . '.v' . $v);
-						$view->unlink('/files_trashbin/versions/' . $filename . '.v' . $v);
-					}
-				}
-			}
-		}
-		return $size;
-	}
-
-	/**
-	 * check to see whether a file exists in trashbin
-	 *
-	 * @param string $filename path to the file
-	 * @param int $timestamp of deletion time
-	 * @return bool true if file exists, otherwise false
-	 */
-	public static function file_exists($filename, $timestamp = null) {
-		$user = User::getUser();
-		$view = new View('/' . $user);
-
-		if ($timestamp) {
-			$filename = $filename . '.d' . $timestamp;
-		} else {
-			$filename = $filename;
-		}
-
-		$target = Filesystem::normalizePath('files_trashbin/files/' . $filename);
-		return $view->file_exists($target);
-	}
-
-	/**
-	 * deletes used space for trash bin in db if user was deleted
-	 *
-	 * @param string $uid id of deleted user
-	 * @return bool result of db delete operation
-	 */
-	public static function deleteUser($uid) {
-		$query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=?');
-		return $query->execute(array($uid));
-	}
-
-	/**
-	 * calculate remaining free space for trash bin
-	 *
-	 * @param integer $trashbinSize current size of the trash bin
-	 * @param string $user
-	 * @return int available free space for trash bin
-	 */
-	private static function calculateFreeSpace($trashbinSize, $user) {
-		$softQuota = true;
-		$userObject = \OC::$server->getUserManager()->get($user);
-		if(is_null($userObject)) {
-			return 0;
-		}
-		$quota = $userObject->getQuota();
-		if ($quota === null || $quota === 'none') {
-			$quota = Filesystem::free_space('/');
-			$softQuota = false;
-			// inf or unknown free space
-			if ($quota < 0) {
-				$quota = PHP_INT_MAX;
-			}
-		} else {
-			$quota = \OCP\Util::computerFileSize($quota);
-		}
-
-		// calculate available space for trash bin
-		// subtract size of files and current trash bin size from quota
-		if ($softQuota) {
-			$userFolder = \OC::$server->getUserFolder($user);
-			if(is_null($userFolder)) {
-				return 0;
-			}
-			$free = $quota - $userFolder->getSize(); // remaining free space for user
-			if ($free > 0) {
-				$availableSpace = ($free * self::DEFAULTMAXSIZE / 100) - $trashbinSize; // how much space can be used for versions
-			} else {
-				$availableSpace = $free - $trashbinSize;
-			}
-		} else {
-			$availableSpace = $quota;
-		}
-
-		return $availableSpace;
-	}
-
-	/**
-	 * resize trash bin if necessary after a new file was added to Nextcloud
-	 *
-	 * @param string $user user id
-	 */
-	public static function resizeTrash($user) {
-
-		$size = self::getTrashbinSize($user);
-
-		$freeSpace = self::calculateFreeSpace($size, $user);
-
-		if ($freeSpace < 0) {
-			self::scheduleExpire($user);
-		}
-	}
-
-	/**
-	 * clean up the trash bin
-	 *
-	 * @param string $user
-	 */
-	public static function expire($user) {
-		$trashBinSize = self::getTrashbinSize($user);
-		$availableSpace = self::calculateFreeSpace($trashBinSize, $user);
-
-		$dirContent = Helper::getTrashFiles('/', $user, 'mtime');
-
-		// delete all files older then $retention_obligation
-		list($delSize, $count) = self::deleteExpiredFiles($dirContent, $user);
-
-		$availableSpace += $delSize;
-
-		// delete files from trash until we meet the trash bin size limit again
-		self::deleteFiles(array_slice($dirContent, $count), $user, $availableSpace);
-	}
-
-	/**
-	 * @param string $user
-	 */
-	private static function scheduleExpire($user) {
-		// let the admin disable auto expire
-		$application = new Application();
-		$expiration = $application->getContainer()->query('Expiration');
-		if ($expiration->isEnabled()) {
-			\OC::$server->getCommandBus()->push(new Expire($user));
-		}
-	}
-
-	/**
-	 * if the size limit for the trash bin is reached, we delete the oldest
-	 * files in the trash bin until we meet the limit again
-	 *
-	 * @param array $files
-	 * @param string $user
-	 * @param int $availableSpace available disc space
-	 * @return int size of deleted files
-	 */
-	protected static function deleteFiles($files, $user, $availableSpace) {
-		$application = new Application();
-		$expiration = $application->getContainer()->query('Expiration');
-		$size = 0;
-
-		if ($availableSpace < 0) {
-			foreach ($files as $file) {
-				if ($availableSpace < 0 && $expiration->isExpired($file['mtime'], true)) {
-					$tmp = self::delete($file['name'], $user, $file['mtime']);
-					\OCP\Util::writeLog('files_trashbin', 'remove "' . $file['name'] . '" (' . $tmp . 'B) to meet the limit of trash bin size (50% of available quota)', \OCP\Util::INFO);
-					$availableSpace += $tmp;
-					$size += $tmp;
-				} else {
-					break;
-				}
-			}
-		}
-		return $size;
-	}
-
-	/**
-	 * delete files older then max storage time
-	 *
-	 * @param array $files list of files sorted by mtime
-	 * @param string $user
-	 * @return integer[] size of deleted files and number of deleted files
-	 */
-	public static function deleteExpiredFiles($files, $user) {
-		$application = new Application();
-		$expiration = $application->getContainer()->query('Expiration');
-		$size = 0;
-		$count = 0;
-		foreach ($files as $file) {
-			$timestamp = $file['mtime'];
-			$filename = $file['name'];
-			if ($expiration->isExpired($timestamp)) {
-				$count++;
-				$size += self::delete($filename, $user, $timestamp);
-				\OC::$server->getLogger()->info(
-					'Remove "' . $filename . '" from trashbin because it exceeds max retention obligation term.',
-					['app' => 'files_trashbin']
-				);
-			} else {
-				break;
-			}
-		}
-
-		return array($size, $count);
-	}
-
-	/**
-	 * recursive copy to copy a whole directory
-	 *
-	 * @param string $source source path, relative to the users files directory
-	 * @param string $destination destination path relative to the users root directoy
-	 * @param View $view file view for the users root directory
-	 * @return int
-	 * @throws Exceptions\CopyRecursiveException
-	 */
-	private static function copy_recursive($source, $destination, View $view) {
-		$size = 0;
-		if ($view->is_dir($source)) {
-			$view->mkdir($destination);
-			$view->touch($destination, $view->filemtime($source));
-			foreach ($view->getDirectoryContent($source) as $i) {
-				$pathDir = $source . '/' . $i['name'];
-				if ($view->is_dir($pathDir)) {
-					$size += self::copy_recursive($pathDir, $destination . '/' . $i['name'], $view);
-				} else {
-					$size += $view->filesize($pathDir);
-					$result = $view->copy($pathDir, $destination . '/' . $i['name']);
-					if (!$result) {
-						throw new \OCA\Files_Trashbin\Exceptions\CopyRecursiveException();
-					}
-					$view->touch($destination . '/' . $i['name'], $view->filemtime($pathDir));
-				}
-			}
-		} else {
-			$size += $view->filesize($source);
-			$result = $view->copy($source, $destination);
-			if (!$result) {
-				throw new \OCA\Files_Trashbin\Exceptions\CopyRecursiveException();
-			}
-			$view->touch($destination, $view->filemtime($source));
-		}
-		return $size;
-	}
-
-	/**
-	 * find all versions which belong to the file we want to restore
-	 *
-	 * @param string $filename name of the file which should be restored
-	 * @param int $timestamp timestamp when the file was deleted
-	 * @return array
-	 */
-	private static function getVersionsFromTrash($filename, $timestamp, $user) {
-		$view = new View('/' . $user . '/files_trashbin/versions');
-		$versions = array();
-
-		//force rescan of versions, local storage may not have updated the cache
-		if (!self::$scannedVersions) {
-			/** @var \OC\Files\Storage\Storage $storage */
-			list($storage,) = $view->resolvePath('/');
-			$storage->getScanner()->scan('files_trashbin/versions');
-			self::$scannedVersions = true;
-		}
-
-		if ($timestamp) {
-			// fetch for old versions
-			$matches = $view->searchRaw($filename . '.v%.d' . $timestamp);
-			$offset = -strlen($timestamp) - 2;
-		} else {
-			$matches = $view->searchRaw($filename . '.v%');
-		}
-
-		if (is_array($matches)) {
-			foreach ($matches as $ma) {
-				if ($timestamp) {
-					$parts = explode('.v', substr($ma['path'], 0, $offset));
-					$versions[] = (end($parts));
-				} else {
-					$parts = explode('.v', $ma);
-					$versions[] = (end($parts));
-				}
-			}
-		}
-		return $versions;
-	}
-
-	/**
-	 * find unique extension for restored file if a file with the same name already exists
-	 *
-	 * @param string $location where the file should be restored
-	 * @param string $filename name of the file
-	 * @param View $view filesystem view relative to users root directory
-	 * @return string with unique extension
-	 */
-	private static function getUniqueFilename($location, $filename, View $view) {
-		$ext = pathinfo($filename, PATHINFO_EXTENSION);
-		$name = pathinfo($filename, PATHINFO_FILENAME);
-		$l = \OC::$server->getL10N('files_trashbin');
-
-		$location = '/' . trim($location, '/');
-
-		// if extension is not empty we set a dot in front of it
-		if ($ext !== '') {
-			$ext = '.' . $ext;
-		}
-
-		if ($view->file_exists('files' . $location . '/' . $filename)) {
-			$i = 2;
-			$uniqueName = $name . " (" . $l->t("restored") . ")" . $ext;
-			while ($view->file_exists('files' . $location . '/' . $uniqueName)) {
-				$uniqueName = $name . " (" . $l->t("restored") . " " . $i . ")" . $ext;
-				$i++;
-			}
-
-			return $uniqueName;
-		}
-
-		return $filename;
-	}
-
-	/**
-	 * get the size from a given root folder
-	 *
-	 * @param View $view file view on the root folder
-	 * @return integer size of the folder
-	 */
-	private static function calculateSize($view) {
-		$root = \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data') . $view->getAbsolutePath('');
-		if (!file_exists($root)) {
-			return 0;
-		}
-		$iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($root), \RecursiveIteratorIterator::CHILD_FIRST);
-		$size = 0;
-
-		/**
-		 * RecursiveDirectoryIterator on an NFS path isn't iterable with foreach
-		 * This bug is fixed in PHP 5.5.9 or before
-		 * See #8376
-		 */
-		$iterator->rewind();
-		while ($iterator->valid()) {
-			$path = $iterator->current();
-			$relpath = substr($path, strlen($root) - 1);
-			if (!$view->is_dir($relpath)) {
-				$size += $view->filesize($relpath);
-			}
-			$iterator->next();
-		}
-		return $size;
-	}
-
-	/**
-	 * get current size of trash bin from a given user
-	 *
-	 * @param string $user user who owns the trash bin
-	 * @return integer trash bin size
-	 */
-	private static function getTrashbinSize($user) {
-		$view = new View('/' . $user);
-		$fileInfo = $view->getFileInfo('/files_trashbin');
-		return isset($fileInfo['size']) ? $fileInfo['size'] : 0;
-	}
-
-	/**
-	 * register hooks
-	 */
-	public static function registerHooks() {
-		// create storage wrapper on setup
-		\OCP\Util::connectHook('OC_Filesystem', 'preSetup', 'OCA\Files_Trashbin\Storage', 'setupStorage');
-		//Listen to delete user signal
-		\OCP\Util::connectHook('OC_User', 'pre_deleteUser', 'OCA\Files_Trashbin\Hooks', 'deleteUser_hook');
-		//Listen to post write hook
-		\OCP\Util::connectHook('OC_Filesystem', 'post_write', 'OCA\Files_Trashbin\Hooks', 'post_write_hook');
-		// pre and post-rename, disable trash logic for the copy+unlink case
-		\OCP\Util::connectHook('OC_Filesystem', 'delete', 'OCA\Files_Trashbin\Trashbin', 'ensureFileScannedHook');
-		\OCP\Util::connectHook('OC_Filesystem', 'rename', 'OCA\Files_Trashbin\Storage', 'preRenameHook');
-		\OCP\Util::connectHook('OC_Filesystem', 'post_rename', 'OCA\Files_Trashbin\Storage', 'postRenameHook');
-	}
-
-	/**
-	 * check if trash bin is empty for a given user
-	 *
-	 * @param string $user
-	 * @return bool
-	 */
-	public static function isEmpty($user) {
-
-		$view = new View('/' . $user . '/files_trashbin');
-		if ($view->is_dir('/files') && $dh = $view->opendir('/files')) {
-			while ($file = readdir($dh)) {
-				if (!Filesystem::isIgnoredDir($file)) {
-					return false;
-				}
-			}
-		}
-		return true;
-	}
-
-	/**
-	 * @param $path
-	 * @return string
-	 */
-	public static function preview_icon($path) {
-		return \OCP\Util::linkToRoute('core_ajax_trashbin_preview', array('x' => 32, 'y' => 32, 'file' => $path));
-	}
+    // unit: percentage; 50% of available disk space/quota
+    const DEFAULTMAXSIZE = 50;
+
+    /**
+     * Whether versions have already be rescanned during this PHP request
+     *
+     * @var bool
+     */
+    private static $scannedVersions = false;
+
+    /**
+     * Ensure we don't need to scan the file during the move to trash
+     * by triggering the scan in the pre-hook
+     *
+     * @param array $params
+     */
+    public static function ensureFileScannedHook($params) {
+        try {
+            self::getUidAndFilename($params['path']);
+        } catch (NotFoundException $e) {
+            // nothing to scan for non existing files
+        }
+    }
+
+    /**
+     * get the UID of the owner of the file and the path to the file relative to
+     * owners files folder
+     *
+     * @param string $filename
+     * @return array
+     * @throws \OC\User\NoUserException
+     */
+    public static function getUidAndFilename($filename) {
+        $uid = Filesystem::getOwner($filename);
+        $userManager = \OC::$server->getUserManager();
+        // if the user with the UID doesn't exists, e.g. because the UID points
+        // to a remote user with a federated cloud ID we use the current logged-in
+        // user. We need a valid local user to move the file to the right trash bin
+        if (!$userManager->userExists($uid)) {
+            $uid = User::getUser();
+        }
+        if (!$uid) {
+            // no owner, usually because of share link from ext storage
+            return [null, null];
+        }
+        Filesystem::initMountPoints($uid);
+        if ($uid != User::getUser()) {
+            $info = Filesystem::getFileInfo($filename);
+            $ownerView = new View('/' . $uid . '/files');
+            try {
+                $filename = $ownerView->getPath($info['fileid']);
+            } catch (NotFoundException $e) {
+                $filename = null;
+            }
+        }
+        return [$uid, $filename];
+    }
+
+    /**
+     * get original location of files for user
+     *
+     * @param string $user
+     * @return array (filename => array (timestamp => original location))
+     */
+    public static function getLocations($user) {
+        $query = \OC_DB::prepare('SELECT `id`, `timestamp`, `location`'
+            . ' FROM `*PREFIX*files_trash` WHERE `user`=?');
+        $result = $query->execute(array($user));
+        $array = array();
+        while ($row = $result->fetchRow()) {
+            if (isset($array[$row['id']])) {
+                $array[$row['id']][$row['timestamp']] = $row['location'];
+            } else {
+                $array[$row['id']] = array($row['timestamp'] => $row['location']);
+            }
+        }
+        return $array;
+    }
+
+    /**
+     * get original location of file
+     *
+     * @param string $user
+     * @param string $filename
+     * @param string $timestamp
+     * @return string original location
+     */
+    public static function getLocation($user, $filename, $timestamp) {
+        $query = \OC_DB::prepare('SELECT `location` FROM `*PREFIX*files_trash`'
+            . ' WHERE `user`=? AND `id`=? AND `timestamp`=?');
+        $result = $query->execute(array($user, $filename, $timestamp))->fetchAll();
+        if (isset($result[0]['location'])) {
+            return $result[0]['location'];
+        } else {
+            return false;
+        }
+    }
+
+    private static function setUpTrash($user) {
+        $view = new View('/' . $user);
+        if (!$view->is_dir('files_trashbin')) {
+            $view->mkdir('files_trashbin');
+        }
+        if (!$view->is_dir('files_trashbin/files')) {
+            $view->mkdir('files_trashbin/files');
+        }
+        if (!$view->is_dir('files_trashbin/versions')) {
+            $view->mkdir('files_trashbin/versions');
+        }
+        if (!$view->is_dir('files_trashbin/keys')) {
+            $view->mkdir('files_trashbin/keys');
+        }
+    }
+
+
+    /**
+     * copy file to owners trash
+     *
+     * @param string $sourcePath
+     * @param string $owner
+     * @param string $targetPath
+     * @param $user
+     * @param integer $timestamp
+     */
+    private static function copyFilesToUser($sourcePath, $owner, $targetPath, $user, $timestamp) {
+        self::setUpTrash($owner);
+
+        $targetFilename = basename($targetPath);
+        $targetLocation = dirname($targetPath);
+
+        $sourceFilename = basename($sourcePath);
+
+        $view = new View('/');
+
+        $target = $user . '/files_trashbin/files/' . $targetFilename . '.d' . $timestamp;
+        $source = $owner . '/files_trashbin/files/' . $sourceFilename . '.d' . $timestamp;
+        self::copy_recursive($source, $target, $view);
+
+
+        if ($view->file_exists($target)) {
+            $query = \OC_DB::prepare("INSERT INTO `*PREFIX*files_trash` (`id`,`timestamp`,`location`,`user`) VALUES (?,?,?,?)");
+            $result = $query->execute(array($targetFilename, $timestamp, $targetLocation, $user));
+            if (!$result) {
+                \OCP\Util::writeLog('files_trashbin', 'trash bin database couldn\'t be updated for the files owner', \OCP\Util::ERROR);
+            }
+        }
+    }
+
+
+    /**
+     * move file to the trash bin
+     *
+     * @param string $file_path path to the deleted file/directory relative to the files root directory
+     * @param bool $ownerOnly delete for owner only (if file gets moved out of a shared folder)
+     *
+     * @return bool
+     */
+    public static function move2trash($file_path, $ownerOnly = false) {
+        // get the user for which the filesystem is setup
+        $root = Filesystem::getRoot();
+        list(, $user) = explode('/', $root);
+        list($owner, $ownerPath) = self::getUidAndFilename($file_path);
+
+        // if no owner found (ex: ext storage + share link), will use the current user's trashbin then
+        if (is_null($owner)) {
+            $owner = $user;
+            $ownerPath = $file_path;
+        }
+
+        $ownerView = new View('/' . $owner);
+        // file has been deleted in between
+        if (is_null($ownerPath) || $ownerPath === '' || !$ownerView->file_exists('/files/' . $ownerPath)) {
+            return true;
+        }
+
+        self::setUpTrash($user);
+        if ($owner !== $user) {
+            // also setup for owner
+            self::setUpTrash($owner);
+        }
+
+        $path_parts = pathinfo($ownerPath);
+
+        $filename = $path_parts['basename'];
+        $location = $path_parts['dirname'];
+        $timestamp = time();
+
+        // disable proxy to prevent recursive calls
+        $trashPath = '/files_trashbin/files/' . $filename . '.d' . $timestamp;
+
+        /** @var \OC\Files\Storage\Storage $trashStorage */
+        list($trashStorage, $trashInternalPath) = $ownerView->resolvePath($trashPath);
+        /** @var \OC\Files\Storage\Storage $sourceStorage */
+        list($sourceStorage, $sourceInternalPath) = $ownerView->resolvePath('/files/' . $ownerPath);
+        try {
+            $moveSuccessful = true;
+            if ($trashStorage->file_exists($trashInternalPath)) {
+                $trashStorage->unlink($trashInternalPath);
+            }
+            $trashStorage->moveFromStorage($sourceStorage, $sourceInternalPath, $trashInternalPath);
+        } catch (\OCA\Files_Trashbin\Exceptions\CopyRecursiveException $e) {
+            $moveSuccessful = false;
+            if ($trashStorage->file_exists($trashInternalPath)) {
+                $trashStorage->unlink($trashInternalPath);
+            }
+            \OCP\Util::writeLog('files_trashbin', 'Couldn\'t move ' . $file_path . ' to the trash bin', \OCP\Util::ERROR);
+        }
+
+        if ($sourceStorage->file_exists($sourceInternalPath)) { // failed to delete the original file, abort
+            if ($sourceStorage->is_dir($sourceInternalPath)) {
+                $sourceStorage->rmdir($sourceInternalPath);
+            } else {
+                $sourceStorage->unlink($sourceInternalPath);
+            }
+            return false;
+        }
+
+        $trashStorage->getUpdater()->renameFromStorage($sourceStorage, $sourceInternalPath, $trashInternalPath);
+
+        if ($moveSuccessful) {
+            $query = \OC_DB::prepare("INSERT INTO `*PREFIX*files_trash` (`id`,`timestamp`,`location`,`user`) VALUES (?,?,?,?)");
+            $result = $query->execute(array($filename, $timestamp, $location, $owner));
+            if (!$result) {
+                \OCP\Util::writeLog('files_trashbin', 'trash bin database couldn\'t be updated', \OCP\Util::ERROR);
+            }
+            \OCP\Util::emitHook('\OCA\Files_Trashbin\Trashbin', 'post_moveToTrash', array('filePath' => Filesystem::normalizePath($file_path),
+                'trashPath' => Filesystem::normalizePath($filename . '.d' . $timestamp)));
+
+            self::retainVersions($filename, $owner, $ownerPath, $timestamp);
+
+            // if owner !== user we need to also add a copy to the users trash
+            if ($user !== $owner && $ownerOnly === false) {
+                self::copyFilesToUser($ownerPath, $owner, $file_path, $user, $timestamp);
+            }
+        }
+
+        self::scheduleExpire($user);
+
+        // if owner !== user we also need to update the owners trash size
+        if ($owner !== $user) {
+            self::scheduleExpire($owner);
+        }
+
+        return $moveSuccessful;
+    }
+
+    /**
+     * Move file versions to trash so that they can be restored later
+     *
+     * @param string $filename of deleted file
+     * @param string $owner owner user id
+     * @param string $ownerPath path relative to the owner's home storage
+     * @param integer $timestamp when the file was deleted
+     */
+    private static function retainVersions($filename, $owner, $ownerPath, $timestamp) {
+        if (\OCP\App::isEnabled('files_versions') && !empty($ownerPath)) {
+
+            $user = User::getUser();
+            $rootView = new View('/');
+
+            if ($rootView->is_dir($owner . '/files_versions/' . $ownerPath)) {
+                if ($owner !== $user) {
+                    self::copy_recursive($owner . '/files_versions/' . $ownerPath, $owner . '/files_trashbin/versions/' . basename($ownerPath) . '.d' . $timestamp, $rootView);
+                }
+                self::move($rootView, $owner . '/files_versions/' . $ownerPath, $user . '/files_trashbin/versions/' . $filename . '.d' . $timestamp);
+            } else if ($versions = \OCA\Files_Versions\Storage::getVersions($owner, $ownerPath)) {
+
+                foreach ($versions as $v) {
+                    if ($owner !== $user) {
+                        self::copy($rootView, $owner . '/files_versions' . $v['path'] . '.v' . $v['version'], $owner . '/files_trashbin/versions/' . $v['name'] . '.v' . $v['version'] . '.d' . $timestamp);
+                    }
+                    self::move($rootView, $owner . '/files_versions' . $v['path'] . '.v' . $v['version'], $user . '/files_trashbin/versions/' . $filename . '.v' . $v['version'] . '.d' . $timestamp);
+                }
+            }
+        }
+    }
+
+    /**
+     * Move a file or folder on storage level
+     *
+     * @param View $view
+     * @param string $source
+     * @param string $target
+     * @return bool
+     */
+    private static function move(View $view, $source, $target) {
+        /** @var \OC\Files\Storage\Storage $sourceStorage */
+        list($sourceStorage, $sourceInternalPath) = $view->resolvePath($source);
+        /** @var \OC\Files\Storage\Storage $targetStorage */
+        list($targetStorage, $targetInternalPath) = $view->resolvePath($target);
+        /** @var \OC\Files\Storage\Storage $ownerTrashStorage */
+
+        $result = $targetStorage->moveFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
+        if ($result) {
+            $targetStorage->getUpdater()->renameFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
+        }
+        return $result;
+    }
+
+    /**
+     * Copy a file or folder on storage level
+     *
+     * @param View $view
+     * @param string $source
+     * @param string $target
+     * @return bool
+     */
+    private static function copy(View $view, $source, $target) {
+        /** @var \OC\Files\Storage\Storage $sourceStorage */
+        list($sourceStorage, $sourceInternalPath) = $view->resolvePath($source);
+        /** @var \OC\Files\Storage\Storage $targetStorage */
+        list($targetStorage, $targetInternalPath) = $view->resolvePath($target);
+        /** @var \OC\Files\Storage\Storage $ownerTrashStorage */
+
+        $result = $targetStorage->copyFromStorage($sourceStorage, $sourceInternalPath, $targetInternalPath);
+        if ($result) {
+            $targetStorage->getUpdater()->update($targetInternalPath);
+        }
+        return $result;
+    }
+
+    /**
+     * Restore a file or folder from trash bin
+     *
+     * @param string $file path to the deleted file/folder relative to "files_trashbin/files/",
+     * including the timestamp suffix ".d12345678"
+     * @param string $filename name of the file/folder
+     * @param int $timestamp time when the file/folder was deleted
+     *
+     * @return bool true on success, false otherwise
+     */
+    public static function restore($file, $filename, $timestamp) {
+        $user = User::getUser();
+        $view = new View('/' . $user);
+
+        $location = '';
+        if ($timestamp) {
+            $location = self::getLocation($user, $filename, $timestamp);
+            if ($location === false) {
+                \OCP\Util::writeLog('files_trashbin', 'trash bin database inconsistent!', \OCP\Util::ERROR);
+            } else {
+                // if location no longer exists, restore file in the root directory
+                if ($location !== '/' &&
+                    (!$view->is_dir('files/' . $location) ||
+                        !$view->isCreatable('files/' . $location))
+                ) {
+                    $location = '';
+                }
+            }
+        }
+
+        // we need a  extension in case a file/dir with the same name already exists
+        $uniqueFilename = self::getUniqueFilename($location, $filename, $view);
+
+        $source = Filesystem::normalizePath('files_trashbin/files/' . $file);
+        $target = Filesystem::normalizePath('files/' . $location . '/' . $uniqueFilename);
+        if (!$view->file_exists($source)) {
+            return false;
+        }
+        $mtime = $view->filemtime($source);
+
+        // restore file
+        $restoreResult = $view->rename($source, $target);
+
+        // handle the restore result
+        if ($restoreResult) {
+            $fakeRoot = $view->getRoot();
+            $view->chroot('/' . $user . '/files');
+            $view->touch('/' . $location . '/' . $uniqueFilename, $mtime);
+            $view->chroot($fakeRoot);
+            \OCP\Util::emitHook('\OCA\Files_Trashbin\Trashbin', 'post_restore', array('filePath' => Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename),
+                'trashPath' => Filesystem::normalizePath($file)));
+
+            self::restoreVersions($view, $file, $filename, $uniqueFilename, $location, $timestamp);
+
+            if ($timestamp) {
+                $query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=? AND `id`=? AND `timestamp`=?');
+                $query->execute(array($user, $filename, $timestamp));
+            }
+
+            return true;
+        }
+
+        return false;
+    }
+
+    /**
+     * restore versions from trash bin
+     *
+     * @param View $view file view
+     * @param string $file complete path to file
+     * @param string $filename name of file once it was deleted
+     * @param string $uniqueFilename new file name to restore the file without overwriting existing files
+     * @param string $location location if file
+     * @param int $timestamp deletion time
+     * @return false|null
+     */
+    private static function restoreVersions(View $view, $file, $filename, $uniqueFilename, $location, $timestamp) {
+
+        if (\OCP\App::isEnabled('files_versions')) {
+
+            $user = User::getUser();
+            $rootView = new View('/');
+
+            $target = Filesystem::normalizePath('/' . $location . '/' . $uniqueFilename);
+
+            list($owner, $ownerPath) = self::getUidAndFilename($target);
+
+            // file has been deleted in between
+            if (empty($ownerPath)) {
+                return false;
+            }
+
+            if ($timestamp) {
+                $versionedFile = $filename;
+            } else {
+                $versionedFile = $file;
+            }
+
+            if ($view->is_dir('/files_trashbin/versions/' . $file)) {
+                $rootView->rename(Filesystem::normalizePath($user . '/files_trashbin/versions/' . $file), Filesystem::normalizePath($owner . '/files_versions/' . $ownerPath));
+            } else if ($versions = self::getVersionsFromTrash($versionedFile, $timestamp, $user)) {
+                foreach ($versions as $v) {
+                    if ($timestamp) {
+                        $rootView->rename($user . '/files_trashbin/versions/' . $versionedFile . '.v' . $v . '.d' . $timestamp, $owner . '/files_versions/' . $ownerPath . '.v' . $v);
+                    } else {
+                        $rootView->rename($user . '/files_trashbin/versions/' . $versionedFile . '.v' . $v, $owner . '/files_versions/' . $ownerPath . '.v' . $v);
+                    }
+                }
+            }
+        }
+    }
+
+    /**
+     * delete all files from the trash
+     */
+    public static function deleteAll() {
+        $user = User::getUser();
+        $view = new View('/' . $user);
+        $fileInfos = $view->getDirectoryContent('files_trashbin/files');
+
+        // Array to store the relative path in (after the file is deleted, the view won't be able to relativise the path anymore)
+        $filePaths = array();
+        foreach($fileInfos as $fileInfo){
+            $filePaths[] = $view->getRelativePath($fileInfo->getPath());
+        }
+        unset($fileInfos); // save memory
+
+        // Bulk PreDelete-Hook
+        \OC_Hook::emit('\OCP\Trashbin', 'preDeleteAll', array('paths' => $filePaths));
+
+        // Single-File Hooks
+        foreach($filePaths as $path){
+            self::emitTrashbinPreDelete($path);
+        }
+
+        // actual file deletion
+        $view->deleteAll('files_trashbin');
+        $query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=?');
+        $query->execute(array($user));
+
+        // Bulk PostDelete-Hook
+        \OC_Hook::emit('\OCP\Trashbin', 'deleteAll', array('paths' => $filePaths));
+
+        // Single-File Hooks
+        foreach($filePaths as $path){
+            self::emitTrashbinPostDelete($path);
+        }
+
+        $view->mkdir('files_trashbin');
+        $view->mkdir('files_trashbin/files');
+
+        return true;
+    }
+
+    /**
+     * wrapper function to emit the 'preDelete' hook of \OCP\Trashbin before a file is deleted
+     * @param string $path
+     */
+    protected static function emitTrashbinPreDelete($path){
+        \OC_Hook::emit('\OCP\Trashbin', 'preDelete', array('path' => $path));
+    }
+
+    /**
+     * wrapper function to emit the 'delete' hook of \OCP\Trashbin after a file has been deleted
+     * @param string $path
+     */
+    protected static function emitTrashbinPostDelete($path){
+        \OC_Hook::emit('\OCP\Trashbin', 'delete', array('path' => $path));
+    }
+
+    /**
+     * delete file from trash bin permanently
+     *
+     * @param string $filename path to the file
+     * @param string $user
+     * @param int $timestamp of deletion time
+     *
+     * @return int size of deleted files
+     */
+    public static function delete($filename, $user, $timestamp = null) {
+        $view = new View('/' . $user);
+        $size = 0;
+
+        if ($timestamp) {
+            $query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=? AND `id`=? AND `timestamp`=?');
+            $query->execute(array($user, $filename, $timestamp));
+            $file = $filename . '.d' . $timestamp;
+        } else {
+            $file = $filename;
+        }
+
+        $size += self::deleteVersions($view, $file, $filename, $timestamp, $user);
+
+        if ($view->is_dir('/files_trashbin/files/' . $file)) {
+            $size += self::calculateSize(new View('/' . $user . '/files_trashbin/files/' . $file));
+        } else {
+            $size += $view->filesize('/files_trashbin/files/' . $file);
+        }
+        self::emitTrashbinPreDelete('/files_trashbin/files/' . $file);
+        $view->unlink('/files_trashbin/files/' . $file);
+        self::emitTrashbinPostDelete('/files_trashbin/files/' . $file);
+
+        return $size;
+    }
+
+    /**
+     * @param View $view
+     * @param string $file
+     * @param string $filename
+     * @param integer|null $timestamp
+     * @param string $user
+     * @return int
+     */
+    private static function deleteVersions(View $view, $file, $filename, $timestamp, $user) {
+        $size = 0;
+        if (\OCP\App::isEnabled('files_versions')) {
+            if ($view->is_dir('files_trashbin/versions/' . $file)) {
+                $size += self::calculateSize(new View('/' . $user . '/files_trashbin/versions/' . $file));
+                $view->unlink('files_trashbin/versions/' . $file);
+            } else if ($versions = self::getVersionsFromTrash($filename, $timestamp, $user)) {
+                foreach ($versions as $v) {
+                    if ($timestamp) {
+                        $size += $view->filesize('/files_trashbin/versions/' . $filename . '.v' . $v . '.d' . $timestamp);
+                        $view->unlink('/files_trashbin/versions/' . $filename . '.v' . $v . '.d' . $timestamp);
+                    } else {
+                        $size += $view->filesize('/files_trashbin/versions/' . $filename . '.v' . $v);
+                        $view->unlink('/files_trashbin/versions/' . $filename . '.v' . $v);
+                    }
+                }
+            }
+        }
+        return $size;
+    }
+
+    /**
+     * check to see whether a file exists in trashbin
+     *
+     * @param string $filename path to the file
+     * @param int $timestamp of deletion time
+     * @return bool true if file exists, otherwise false
+     */
+    public static function file_exists($filename, $timestamp = null) {
+        $user = User::getUser();
+        $view = new View('/' . $user);
+
+        if ($timestamp) {
+            $filename = $filename . '.d' . $timestamp;
+        } else {
+            $filename = $filename;
+        }
+
+        $target = Filesystem::normalizePath('files_trashbin/files/' . $filename);
+        return $view->file_exists($target);
+    }
+
+    /**
+     * deletes used space for trash bin in db if user was deleted
+     *
+     * @param string $uid id of deleted user
+     * @return bool result of db delete operation
+     */
+    public static function deleteUser($uid) {
+        $query = \OC_DB::prepare('DELETE FROM `*PREFIX*files_trash` WHERE `user`=?');
+        return $query->execute(array($uid));
+    }
+
+    /**
+     * calculate remaining free space for trash bin
+     *
+     * @param integer $trashbinSize current size of the trash bin
+     * @param string $user
+     * @return int available free space for trash bin
+     */
+    private static function calculateFreeSpace($trashbinSize, $user) {
+        $softQuota = true;
+        $userObject = \OC::$server->getUserManager()->get($user);
+        if(is_null($userObject)) {
+            return 0;
+        }
+        $quota = $userObject->getQuota();
+        if ($quota === null || $quota === 'none') {
+            $quota = Filesystem::free_space('/');
+            $softQuota = false;
+            // inf or unknown free space
+            if ($quota < 0) {
+                $quota = PHP_INT_MAX;
+            }
+        } else {
+            $quota = \OCP\Util::computerFileSize($quota);
+        }
+
+        // calculate available space for trash bin
+        // subtract size of files and current trash bin size from quota
+        if ($softQuota) {
+            $userFolder = \OC::$server->getUserFolder($user);
+            if(is_null($userFolder)) {
+                return 0;
+            }
+            $free = $quota - $userFolder->getSize(); // remaining free space for user
+            if ($free > 0) {
+                $availableSpace = ($free * self::DEFAULTMAXSIZE / 100) - $trashbinSize; // how much space can be used for versions
+            } else {
+                $availableSpace = $free - $trashbinSize;
+            }
+        } else {
+            $availableSpace = $quota;
+        }
+
+        return $availableSpace;
+    }
+
+    /**
+     * resize trash bin if necessary after a new file was added to Nextcloud
+     *
+     * @param string $user user id
+     */
+    public static function resizeTrash($user) {
+
+        $size = self::getTrashbinSize($user);
+
+        $freeSpace = self::calculateFreeSpace($size, $user);
+
+        if ($freeSpace < 0) {
+            self::scheduleExpire($user);
+        }
+    }
+
+    /**
+     * clean up the trash bin
+     *
+     * @param string $user
+     */
+    public static function expire($user) {
+        $trashBinSize = self::getTrashbinSize($user);
+        $availableSpace = self::calculateFreeSpace($trashBinSize, $user);
+
+        $dirContent = Helper::getTrashFiles('/', $user, 'mtime');
+
+        // delete all files older then $retention_obligation
+        list($delSize, $count) = self::deleteExpiredFiles($dirContent, $user);
+
+        $availableSpace += $delSize;
+
+        // delete files from trash until we meet the trash bin size limit again
+        self::deleteFiles(array_slice($dirContent, $count), $user, $availableSpace);
+    }
+
+    /**
+     * @param string $user
+     */
+    private static function scheduleExpire($user) {
+        // let the admin disable auto expire
+        $application = new Application();
+        $expiration = $application->getContainer()->query('Expiration');
+        if ($expiration->isEnabled()) {
+            \OC::$server->getCommandBus()->push(new Expire($user));
+        }
+    }
+
+    /**
+     * if the size limit for the trash bin is reached, we delete the oldest
+     * files in the trash bin until we meet the limit again
+     *
+     * @param array $files
+     * @param string $user
+     * @param int $availableSpace available disc space
+     * @return int size of deleted files
+     */
+    protected static function deleteFiles($files, $user, $availableSpace) {
+        $application = new Application();
+        $expiration = $application->getContainer()->query('Expiration');
+        $size = 0;
+
+        if ($availableSpace < 0) {
+            foreach ($files as $file) {
+                if ($availableSpace < 0 && $expiration->isExpired($file['mtime'], true)) {
+                    $tmp = self::delete($file['name'], $user, $file['mtime']);
+                    \OCP\Util::writeLog('files_trashbin', 'remove "' . $file['name'] . '" (' . $tmp . 'B) to meet the limit of trash bin size (50% of available quota)', \OCP\Util::INFO);
+                    $availableSpace += $tmp;
+                    $size += $tmp;
+                } else {
+                    break;
+                }
+            }
+        }
+        return $size;
+    }
+
+    /**
+     * delete files older then max storage time
+     *
+     * @param array $files list of files sorted by mtime
+     * @param string $user
+     * @return integer[] size of deleted files and number of deleted files
+     */
+    public static function deleteExpiredFiles($files, $user) {
+        $application = new Application();
+        $expiration = $application->getContainer()->query('Expiration');
+        $size = 0;
+        $count = 0;
+        foreach ($files as $file) {
+            $timestamp = $file['mtime'];
+            $filename = $file['name'];
+            if ($expiration->isExpired($timestamp)) {
+                $count++;
+                $size += self::delete($filename, $user, $timestamp);
+                \OC::$server->getLogger()->info(
+                    'Remove "' . $filename . '" from trashbin because it exceeds max retention obligation term.',
+                    ['app' => 'files_trashbin']
+                );
+            } else {
+                break;
+            }
+        }
+
+        return array($size, $count);
+    }
+
+    /**
+     * recursive copy to copy a whole directory
+     *
+     * @param string $source source path, relative to the users files directory
+     * @param string $destination destination path relative to the users root directoy
+     * @param View $view file view for the users root directory
+     * @return int
+     * @throws Exceptions\CopyRecursiveException
+     */
+    private static function copy_recursive($source, $destination, View $view) {
+        $size = 0;
+        if ($view->is_dir($source)) {
+            $view->mkdir($destination);
+            $view->touch($destination, $view->filemtime($source));
+            foreach ($view->getDirectoryContent($source) as $i) {
+                $pathDir = $source . '/' . $i['name'];
+                if ($view->is_dir($pathDir)) {
+                    $size += self::copy_recursive($pathDir, $destination . '/' . $i['name'], $view);
+                } else {
+                    $size += $view->filesize($pathDir);
+                    $result = $view->copy($pathDir, $destination . '/' . $i['name']);
+                    if (!$result) {
+                        throw new \OCA\Files_Trashbin\Exceptions\CopyRecursiveException();
+                    }
+                    $view->touch($destination . '/' . $i['name'], $view->filemtime($pathDir));
+                }
+            }
+        } else {
+            $size += $view->filesize($source);
+            $result = $view->copy($source, $destination);
+            if (!$result) {
+                throw new \OCA\Files_Trashbin\Exceptions\CopyRecursiveException();
+            }
+            $view->touch($destination, $view->filemtime($source));
+        }
+        return $size;
+    }
+
+    /**
+     * find all versions which belong to the file we want to restore
+     *
+     * @param string $filename name of the file which should be restored
+     * @param int $timestamp timestamp when the file was deleted
+     * @return array
+     */
+    private static function getVersionsFromTrash($filename, $timestamp, $user) {
+        $view = new View('/' . $user . '/files_trashbin/versions');
+        $versions = array();
+
+        //force rescan of versions, local storage may not have updated the cache
+        if (!self::$scannedVersions) {
+            /** @var \OC\Files\Storage\Storage $storage */
+            list($storage,) = $view->resolvePath('/');
+            $storage->getScanner()->scan('files_trashbin/versions');
+            self::$scannedVersions = true;
+        }
+
+        if ($timestamp) {
+            // fetch for old versions
+            $matches = $view->searchRaw($filename . '.v%.d' . $timestamp);
+            $offset = -strlen($timestamp) - 2;
+        } else {
+            $matches = $view->searchRaw($filename . '.v%');
+        }
+
+        if (is_array($matches)) {
+            foreach ($matches as $ma) {
+                if ($timestamp) {
+                    $parts = explode('.v', substr($ma['path'], 0, $offset));
+                    $versions[] = (end($parts));
+                } else {
+                    $parts = explode('.v', $ma);
+                    $versions[] = (end($parts));
+                }
+            }
+        }
+        return $versions;
+    }
+
+    /**
+     * find unique extension for restored file if a file with the same name already exists
+     *
+     * @param string $location where the file should be restored
+     * @param string $filename name of the file
+     * @param View $view filesystem view relative to users root directory
+     * @return string with unique extension
+     */
+    private static function getUniqueFilename($location, $filename, View $view) {
+        $ext = pathinfo($filename, PATHINFO_EXTENSION);
+        $name = pathinfo($filename, PATHINFO_FILENAME);
+        $l = \OC::$server->getL10N('files_trashbin');
+
+        $location = '/' . trim($location, '/');
+
+        // if extension is not empty we set a dot in front of it
+        if ($ext !== '') {
+            $ext = '.' . $ext;
+        }
+
+        if ($view->file_exists('files' . $location . '/' . $filename)) {
+            $i = 2;
+            $uniqueName = $name . " (" . $l->t("restored") . ")" . $ext;
+            while ($view->file_exists('files' . $location . '/' . $uniqueName)) {
+                $uniqueName = $name . " (" . $l->t("restored") . " " . $i . ")" . $ext;
+                $i++;
+            }
+
+            return $uniqueName;
+        }
+
+        return $filename;
+    }
+
+    /**
+     * get the size from a given root folder
+     *
+     * @param View $view file view on the root folder
+     * @return integer size of the folder
+     */
+    private static function calculateSize($view) {
+        $root = \OC::$server->getConfig()->getSystemValue('datadirectory', \OC::$SERVERROOT . '/data') . $view->getAbsolutePath('');
+        if (!file_exists($root)) {
+            return 0;
+        }
+        $iterator = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($root), \RecursiveIteratorIterator::CHILD_FIRST);
+        $size = 0;
+
+        /**
+         * RecursiveDirectoryIterator on an NFS path isn't iterable with foreach
+         * This bug is fixed in PHP 5.5.9 or before
+         * See #8376
+         */
+        $iterator->rewind();
+        while ($iterator->valid()) {
+            $path = $iterator->current();
+            $relpath = substr($path, strlen($root) - 1);
+            if (!$view->is_dir($relpath)) {
+                $size += $view->filesize($relpath);
+            }
+            $iterator->next();
+        }
+        return $size;
+    }
+
+    /**
+     * get current size of trash bin from a given user
+     *
+     * @param string $user user who owns the trash bin
+     * @return integer trash bin size
+     */
+    private static function getTrashbinSize($user) {
+        $view = new View('/' . $user);
+        $fileInfo = $view->getFileInfo('/files_trashbin');
+        return isset($fileInfo['size']) ? $fileInfo['size'] : 0;
+    }
+
+    /**
+     * register hooks
+     */
+    public static function registerHooks() {
+        // create storage wrapper on setup
+        \OCP\Util::connectHook('OC_Filesystem', 'preSetup', 'OCA\Files_Trashbin\Storage', 'setupStorage');
+        //Listen to delete user signal
+        \OCP\Util::connectHook('OC_User', 'pre_deleteUser', 'OCA\Files_Trashbin\Hooks', 'deleteUser_hook');
+        //Listen to post write hook
+        \OCP\Util::connectHook('OC_Filesystem', 'post_write', 'OCA\Files_Trashbin\Hooks', 'post_write_hook');
+        // pre and post-rename, disable trash logic for the copy+unlink case
+        \OCP\Util::connectHook('OC_Filesystem', 'delete', 'OCA\Files_Trashbin\Trashbin', 'ensureFileScannedHook');
+        \OCP\Util::connectHook('OC_Filesystem', 'rename', 'OCA\Files_Trashbin\Storage', 'preRenameHook');
+        \OCP\Util::connectHook('OC_Filesystem', 'post_rename', 'OCA\Files_Trashbin\Storage', 'postRenameHook');
+    }
+
+    /**
+     * check if trash bin is empty for a given user
+     *
+     * @param string $user
+     * @return bool
+     */
+    public static function isEmpty($user) {
+
+        $view = new View('/' . $user . '/files_trashbin');
+        if ($view->is_dir('/files') && $dh = $view->opendir('/files')) {
+            while ($file = readdir($dh)) {
+                if (!Filesystem::isIgnoredDir($file)) {
+                    return false;
+                }
+            }
+        }
+        return true;
+    }
+
+    /**
+     * @param $path
+     * @return string
+     */
+    public static function preview_icon($path) {
+        return \OCP\Util::linkToRoute('core_ajax_trashbin_preview', array('x' => 32, 'y' => 32, 'file' => $path));
+    }
 }

apps/testing/locking/provisioning.php

Doc Comments +1 added lines, -1 removed lines

@@ -80,7 +80,7 @@
 
 	/**
 	 * @param array $parameters
-	 * @return int
+	 * @return string
 	 */
 	protected function getPath($parameters) {
 		$node = \OC::$server->getRootFolder()

Unused Use Statements -1 removed lines

@@ -22,7 +22,6 @@
 namespace OCA\Testing\Locking;
 
 use OC\Lock\DBLockingProvider;
-use OC\Lock\MemcacheLockingProvider;
 use OC\User\NoUserException;
 use OCP\AppFramework\Http;
 use OCP\Files\NotFoundException;

Indentation +190 added lines, -190 removed lines

@@ -35,194 +35,194 @@
 
 class Provisioning {
 
-	/** @var ILockingProvider */
-	protected $lockingProvider;
-
-	/** @var IDBConnection */
-	protected $connection;
-
-	/** @var IConfig */
-	protected $config;
-
-	/** @var IRequest */
-	protected $request;
-
-	/**
-	 * @param ILockingProvider $lockingProvider
-	 * @param IDBConnection $connection
-	 * @param IConfig $config
-	 * @param IRequest $request
-	 */
-	public function __construct(ILockingProvider $lockingProvider, IDBConnection $connection, IConfig $config, IRequest $request) {
-		$this->lockingProvider = $lockingProvider;
-		$this->connection = $connection;
-		$this->config = $config;
-		$this->request = $request;
-	}
-
-	/**
-	 * @return ILockingProvider
-	 */
-	protected function getLockingProvider() {
-		if ($this->lockingProvider instanceof DBLockingProvider) {
-			return \OC::$server->query('OCA\Testing\Locking\FakeDBLockingProvider');
-		} else {
-			throw new \RuntimeException('Lock provisioning is only possible using the DBLockingProvider');
-		}
-	}
-
-	/**
-	 * @param array $parameters
-	 * @return int
-	 */
-	protected function getType($parameters) {
-		return isset($parameters['type']) ? (int) $parameters['type'] : 0;
-	}
-
-	/**
-	 * @param array $parameters
-	 * @return int
-	 */
-	protected function getPath($parameters) {
-		$node = \OC::$server->getRootFolder()
-			->getUserFolder($parameters['user'])
-			->get($this->request->getParam('path'));
-		return 'files/' . md5($node->getStorage()->getId() . '::' . trim($node->getInternalPath(), '/'));
-	}
-
-	/**
-	 * @return \OC_OCS_Result
-	 */
-	public function isLockingEnabled() {
-		try {
-			$this->getLockingProvider();
-			return new \OC_OCS_Result(null, 100);
-		} catch (\RuntimeException $e) {
-			return new \OC_OCS_Result(null, Http::STATUS_NOT_IMPLEMENTED, $e->getMessage());
-		}
-	}
-
-	/**
-	 * @param array $parameters
-	 * @return \OC_OCS_Result
-	 */
-	public function acquireLock(array $parameters) {
-		try {
-			$path = $this->getPath($parameters);
-		} catch (NoUserException $e) {
-			return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'User not found');
-		} catch (NotFoundException $e) {
-			return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'Path not found');
-		}
-		$type = $this->getType($parameters);
-
-		$lockingProvider = $this->getLockingProvider();
-
-		try {
-			$lockingProvider->acquireLock($path, $type);
-			$this->config->setAppValue('testing', 'locking_' . $path, $type);
-			return new \OC_OCS_Result(null, 100);
-		} catch (LockedException $e) {
-			return new \OC_OCS_Result(null, Http::STATUS_LOCKED);
-		}
-	}
-
-	/**
-	 * @param array $parameters
-	 * @return \OC_OCS_Result
-	 */
-	public function changeLock(array $parameters) {
-		try {
-			$path = $this->getPath($parameters);
-		} catch (NoUserException $e) {
-			return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'User not found');
-		} catch (NotFoundException $e) {
-			return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'Path not found');
-		}
-		$type = $this->getType($parameters);
-
-		$lockingProvider = $this->getLockingProvider();
-
-		try {
-			$lockingProvider->changeLock($path, $type);
-			$this->config->setAppValue('testing', 'locking_' . $path, $type);
-			return new \OC_OCS_Result(null, 100);
-		} catch (LockedException $e) {
-			return new \OC_OCS_Result(null, Http::STATUS_LOCKED);
-		}
-	}
-
-	/**
-	 * @param array $parameters
-	 * @return \OC_OCS_Result
-	 */
-	public function releaseLock(array $parameters) {
-		try {
-			$path = $this->getPath($parameters);
-		} catch (NoUserException $e) {
-			return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'User not found');
-		} catch (NotFoundException $e) {
-			return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'Path not found');
-		}
-		$type = $this->getType($parameters);
-
-		$lockingProvider = $this->getLockingProvider();
-
-		try {
-			$lockingProvider->releaseLock($path, $type);
-			$this->config->deleteAppValue('testing', 'locking_' . $path);
-			return new \OC_OCS_Result(null, 100);
-		} catch (LockedException $e) {
-			return new \OC_OCS_Result(null, Http::STATUS_LOCKED);
-		}
-	}
-
-	/**
-	 * @param array $parameters
-	 * @return \OC_OCS_Result
-	 */
-	public function isLocked(array $parameters) {
-		try {
-			$path = $this->getPath($parameters);
-		} catch (NoUserException $e) {
-			return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'User not found');
-		} catch (NotFoundException $e) {
-			return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'Path not found');
-		}
-		$type = $this->getType($parameters);
-
-		$lockingProvider = $this->getLockingProvider();
-
-		if ($lockingProvider->isLocked($path, $type)) {
-			return new \OC_OCS_Result(null, 100);
-		}
-
-		return new \OC_OCS_Result(null, Http::STATUS_LOCKED);
-	}
-
-	/**
-	 * @param array $parameters
-	 * @return \OC_OCS_Result
-	 */
-	public function releaseAll(array $parameters) {
-		$type = $this->getType($parameters);
-
-		$lockingProvider = $this->getLockingProvider();
-
-		foreach ($this->config->getAppKeys('testing') as $lock) {
-			if (strpos($lock, 'locking_') === 0) {
-				$path = substr($lock, strlen('locking_'));
-
-				if ($type === ILockingProvider::LOCK_EXCLUSIVE && $this->config->getAppValue('testing', $lock) == ILockingProvider::LOCK_EXCLUSIVE) {
-					$lockingProvider->releaseLock($path, $this->config->getAppValue('testing', $lock));
-				} else if ($type === ILockingProvider::LOCK_SHARED && $this->config->getAppValue('testing', $lock) == ILockingProvider::LOCK_SHARED) {
-					$lockingProvider->releaseLock($path, $this->config->getAppValue('testing', $lock));
-				} else {
-					$lockingProvider->releaseLock($path, $this->config->getAppValue('testing', $lock));
-				}
-			}
-		}
-
-		return new \OC_OCS_Result(null, 100);
-	}
+    /** @var ILockingProvider */
+    protected $lockingProvider;
+
+    /** @var IDBConnection */
+    protected $connection;
+
+    /** @var IConfig */
+    protected $config;
+
+    /** @var IRequest */
+    protected $request;
+
+    /**
+     * @param ILockingProvider $lockingProvider
+     * @param IDBConnection $connection
+     * @param IConfig $config
+     * @param IRequest $request
+     */
+    public function __construct(ILockingProvider $lockingProvider, IDBConnection $connection, IConfig $config, IRequest $request) {
+        $this->lockingProvider = $lockingProvider;
+        $this->connection = $connection;
+        $this->config = $config;
+        $this->request = $request;
+    }
+
+    /**
+     * @return ILockingProvider
+     */
+    protected function getLockingProvider() {
+        if ($this->lockingProvider instanceof DBLockingProvider) {
+            return \OC::$server->query('OCA\Testing\Locking\FakeDBLockingProvider');
+        } else {
+            throw new \RuntimeException('Lock provisioning is only possible using the DBLockingProvider');
+        }
+    }
+
+    /**
+     * @param array $parameters
+     * @return int
+     */
+    protected function getType($parameters) {
+        return isset($parameters['type']) ? (int) $parameters['type'] : 0;
+    }
+
+    /**
+     * @param array $parameters
+     * @return int
+     */
+    protected function getPath($parameters) {
+        $node = \OC::$server->getRootFolder()
+            ->getUserFolder($parameters['user'])
+            ->get($this->request->getParam('path'));
+        return 'files/' . md5($node->getStorage()->getId() . '::' . trim($node->getInternalPath(), '/'));
+    }
+
+    /**
+     * @return \OC_OCS_Result
+     */
+    public function isLockingEnabled() {
+        try {
+            $this->getLockingProvider();
+            return new \OC_OCS_Result(null, 100);
+        } catch (\RuntimeException $e) {
+            return new \OC_OCS_Result(null, Http::STATUS_NOT_IMPLEMENTED, $e->getMessage());
+        }
+    }
+
+    /**
+     * @param array $parameters
+     * @return \OC_OCS_Result
+     */
+    public function acquireLock(array $parameters) {
+        try {
+            $path = $this->getPath($parameters);
+        } catch (NoUserException $e) {
+            return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'User not found');
+        } catch (NotFoundException $e) {
+            return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'Path not found');
+        }
+        $type = $this->getType($parameters);
+
+        $lockingProvider = $this->getLockingProvider();
+
+        try {
+            $lockingProvider->acquireLock($path, $type);
+            $this->config->setAppValue('testing', 'locking_' . $path, $type);
+            return new \OC_OCS_Result(null, 100);
+        } catch (LockedException $e) {
+            return new \OC_OCS_Result(null, Http::STATUS_LOCKED);
+        }
+    }
+
+    /**
+     * @param array $parameters
+     * @return \OC_OCS_Result
+     */
+    public function changeLock(array $parameters) {
+        try {
+            $path = $this->getPath($parameters);
+        } catch (NoUserException $e) {
+            return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'User not found');
+        } catch (NotFoundException $e) {
+            return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'Path not found');
+        }
+        $type = $this->getType($parameters);
+
+        $lockingProvider = $this->getLockingProvider();
+
+        try {
+            $lockingProvider->changeLock($path, $type);
+            $this->config->setAppValue('testing', 'locking_' . $path, $type);
+            return new \OC_OCS_Result(null, 100);
+        } catch (LockedException $e) {
+            return new \OC_OCS_Result(null, Http::STATUS_LOCKED);
+        }
+    }
+
+    /**
+     * @param array $parameters
+     * @return \OC_OCS_Result
+     */
+    public function releaseLock(array $parameters) {
+        try {
+            $path = $this->getPath($parameters);
+        } catch (NoUserException $e) {
+            return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'User not found');
+        } catch (NotFoundException $e) {
+            return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'Path not found');
+        }
+        $type = $this->getType($parameters);
+
+        $lockingProvider = $this->getLockingProvider();
+
+        try {
+            $lockingProvider->releaseLock($path, $type);
+            $this->config->deleteAppValue('testing', 'locking_' . $path);
+            return new \OC_OCS_Result(null, 100);
+        } catch (LockedException $e) {
+            return new \OC_OCS_Result(null, Http::STATUS_LOCKED);
+        }
+    }
+
+    /**
+     * @param array $parameters
+     * @return \OC_OCS_Result
+     */
+    public function isLocked(array $parameters) {
+        try {
+            $path = $this->getPath($parameters);
+        } catch (NoUserException $e) {
+            return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'User not found');
+        } catch (NotFoundException $e) {
+            return new \OC_OCS_Result(null, Http::STATUS_NOT_FOUND, 'Path not found');
+        }
+        $type = $this->getType($parameters);
+
+        $lockingProvider = $this->getLockingProvider();
+
+        if ($lockingProvider->isLocked($path, $type)) {
+            return new \OC_OCS_Result(null, 100);
+        }
+
+        return new \OC_OCS_Result(null, Http::STATUS_LOCKED);
+    }
+
+    /**
+     * @param array $parameters
+     * @return \OC_OCS_Result
+     */
+    public function releaseAll(array $parameters) {
+        $type = $this->getType($parameters);
+
+        $lockingProvider = $this->getLockingProvider();
+
+        foreach ($this->config->getAppKeys('testing') as $lock) {
+            if (strpos($lock, 'locking_') === 0) {
+                $path = substr($lock, strlen('locking_'));
+
+                if ($type === ILockingProvider::LOCK_EXCLUSIVE && $this->config->getAppValue('testing', $lock) == ILockingProvider::LOCK_EXCLUSIVE) {
+                    $lockingProvider->releaseLock($path, $this->config->getAppValue('testing', $lock));
+                } else if ($type === ILockingProvider::LOCK_SHARED && $this->config->getAppValue('testing', $lock) == ILockingProvider::LOCK_SHARED) {
+                    $lockingProvider->releaseLock($path, $this->config->getAppValue('testing', $lock));
+                } else {
+                    $lockingProvider->releaseLock($path, $this->config->getAppValue('testing', $lock));
+                }
+            }
+        }
+
+        return new \OC_OCS_Result(null, 100);
+    }
 }

Spacing +4 added lines, -4 removed lines

@@ -87,7 +87,7 @@ 
 		$node = \OC::$server->getRootFolder()
 			->getUserFolder($parameters['user'])
 			->get($this->request->getParam('path'));
-		return 'files/' . md5($node->getStorage()->getId() . '::' . trim($node->getInternalPath(), '/'));
+		return 'files/'.md5($node->getStorage()->getId().'::'.trim($node->getInternalPath(), '/'));
 	}
 
 	/**
@@ -120,7 +120,7 @@ 
 
 		try {
 			$lockingProvider->acquireLock($path, $type);
-			$this->config->setAppValue('testing', 'locking_' . $path, $type);
+			$this->config->setAppValue('testing', 'locking_'.$path, $type);
 			return new \OC_OCS_Result(null, 100);
 		} catch (LockedException $e) {
 			return new \OC_OCS_Result(null, Http::STATUS_LOCKED);
@@ -145,7 +145,7 @@ 
 
 		try {
 			$lockingProvider->changeLock($path, $type);
-			$this->config->setAppValue('testing', 'locking_' . $path, $type);
+			$this->config->setAppValue('testing', 'locking_'.$path, $type);
 			return new \OC_OCS_Result(null, 100);
 		} catch (LockedException $e) {
 			return new \OC_OCS_Result(null, Http::STATUS_LOCKED);
@@ -170,7 +170,7 @@ 
 
 		try {
 			$lockingProvider->releaseLock($path, $type);
-			$this->config->deleteAppValue('testing', 'locking_' . $path);
+			$this->config->deleteAppValue('testing', 'locking_'.$path);
 			return new \OC_OCS_Result(null, 100);
 		} catch (LockedException $e) {
 			return new \OC_OCS_Result(null, Http::STATUS_LOCKED);

apps/updatenotification/lib/Notification/Notifier.php

Doc Comments +3 added lines

@@ -102,6 +102,9 @@
 		return \OC_App::getAppVersions();
 	}
 
+	/**
+	 * @param string $appId
+	 */
 	protected function getAppInfo($appId) {
 		return \OC_App::getAppInfo($appId);
 	}

Spacing +2 added lines, -2 removed lines

@@ -91,7 +91,7 @@ 
 			$notification->setParsedSubject($l->t('Update to %1$s is available.', [$parameters['version']]));
 
 			if ($this->isAdmin()) {
-				$notification->setLink($this->url->linkToRouteAbsolute('settings.AdminSettings.index') . '#updater');
+				$notification->setLink($this->url->linkToRouteAbsolute('settings.AdminSettings.index').'#updater');
 			}
 		} else {
 			$appInfo = $this->getAppInfo($notification->getObjectType());
@@ -111,7 +111,7 @@ 
 				]);
 
 			if ($this->isAdmin()) {
-				$notification->setLink($this->url->linkToRouteAbsolute('settings.AppSettings.viewApps') . '#app-' . $notification->getObjectType());
+				$notification->setLink($this->url->linkToRouteAbsolute('settings.AppSettings.viewApps').'#app-'.$notification->getObjectType());
 			}
 		}
 

Indentation +137 added lines, -137 removed lines

@@ -36,141 +36,141 @@
 
 class Notifier implements INotifier {
 
-	/** @var IURLGenerator */
-	protected $url;
-
-	/** @var IConfig */
-	protected $config;
-
-	/** @var IManager */
-	protected $notificationManager;
-
-	/** @var IFactory */
-	protected $l10NFactory;
-
-	/** @var IUserSession */
-	protected $userSession;
-
-	/** @var IGroupManager */
-	protected $groupManager;
-
-	/** @var string[] */
-	protected $appVersions;
-
-	/**
-	 * Notifier constructor.
-	 *
-	 * @param IURLGenerator $url
-	 * @param IConfig $config
-	 * @param IManager $notificationManager
-	 * @param IFactory $l10NFactory
-	 * @param IUserSession $userSession
-	 * @param IGroupManager $groupManager
-	 */
-	public function __construct(IURLGenerator $url, IConfig $config, IManager $notificationManager, IFactory $l10NFactory, IUserSession $userSession, IGroupManager $groupManager) {
-		$this->url = $url;
-		$this->notificationManager = $notificationManager;
-		$this->config = $config;
-		$this->l10NFactory = $l10NFactory;
-		$this->userSession = $userSession;
-		$this->groupManager = $groupManager;
-		$this->appVersions = $this->getAppVersions();
-	}
-
-	/**
-	 * @param INotification $notification
-	 * @param string $languageCode The code of the language that should be used to prepare the notification
-	 * @return INotification
-	 * @throws \InvalidArgumentException When the notification was not prepared by a notifier
-	 * @since 9.0.0
-	 */
-	public function prepare(INotification $notification, $languageCode) {
-		if ($notification->getApp() !== 'updatenotification') {
-			throw new \InvalidArgumentException();
-		}
-
-		$l = $this->l10NFactory->get('updatenotification', $languageCode);
-		if ($notification->getSubject() === 'connection_error') {
-			$errors = (int) $this->config->getAppValue('updatenotification', 'update_check_errors', 0);
-			if ($errors === 0) {
-				$this->notificationManager->markProcessed($notification);
-				throw new \InvalidArgumentException();
-			}
-
-			$notification->setParsedSubject($l->t('The update server could not be reached since %d days to check for new updates.', [$errors]))
-				->setParsedMessage($l->t('Please check the nextcloud and server log files for errors.'));
-		} elseif ($notification->getObjectType() === 'core') {
-			$this->updateAlreadyInstalledCheck($notification, $this->getCoreVersions());
-
-			$parameters = $notification->getSubjectParameters();
-			$notification->setParsedSubject($l->t('Update to %1$s is available.', [$parameters['version']]));
-
-			if ($this->isAdmin()) {
-				$notification->setLink($this->url->linkToRouteAbsolute('settings.AdminSettings.index') . '#updater');
-			}
-		} else {
-			$appInfo = $this->getAppInfo($notification->getObjectType());
-			$appName = ($appInfo === null) ? $notification->getObjectType() : $appInfo['name'];
-
-			if (isset($this->appVersions[$notification->getObjectType()])) {
-				$this->updateAlreadyInstalledCheck($notification, $this->appVersions[$notification->getObjectType()]);
-			}
-
-			$notification->setParsedSubject($l->t('Update for %1$s to version %2$s is available.', [$appName, $notification->getObjectId()]))
-				->setRichSubject($l->t('Update for {app} to version %s is available.', $notification->getObjectId()), [
-					'app' => [
-						'type' => 'app',
-						'id' => $notification->getObjectType(),
-						'name' => $appName,
-					]
-				]);
-
-			if ($this->isAdmin()) {
-				$notification->setLink($this->url->linkToRouteAbsolute('settings.AppSettings.viewApps') . '#app-' . $notification->getObjectType());
-			}
-		}
-
-		$notification->setIcon($this->url->getAbsoluteURL($this->url->imagePath('updatenotification', 'notification.svg')));
-
-		return $notification;
-	}
-
-	/**
-	 * Remove the notification and prevent rendering, when the update is installed
-	 *
-	 * @param INotification $notification
-	 * @param string $installedVersion
-	 * @throws \InvalidArgumentException When the update is already installed
-	 */
-	protected function updateAlreadyInstalledCheck(INotification $notification, $installedVersion) {
-		if (version_compare($notification->getObjectId(), $installedVersion, '<=')) {
-			$this->notificationManager->markProcessed($notification);
-			throw new \InvalidArgumentException();
-		}
-	}
-
-	/**
-	 * @return bool
-	 */
-	protected function isAdmin() {
-		$user = $this->userSession->getUser();
-
-		if ($user instanceof IUser) {
-			return $this->groupManager->isAdmin($user->getUID());
-		}
-
-		return false;
-	}
-
-	protected function getCoreVersions() {
-		return implode('.', \OCP\Util::getVersion());
-	}
-
-	protected function getAppVersions() {
-		return \OC_App::getAppVersions();
-	}
-
-	protected function getAppInfo($appId) {
-		return \OC_App::getAppInfo($appId);
-	}
+    /** @var IURLGenerator */
+    protected $url;
+
+    /** @var IConfig */
+    protected $config;
+
+    /** @var IManager */
+    protected $notificationManager;
+
+    /** @var IFactory */
+    protected $l10NFactory;
+
+    /** @var IUserSession */
+    protected $userSession;
+
+    /** @var IGroupManager */
+    protected $groupManager;
+
+    /** @var string[] */
+    protected $appVersions;
+
+    /**
+     * Notifier constructor.
+     *
+     * @param IURLGenerator $url
+     * @param IConfig $config
+     * @param IManager $notificationManager
+     * @param IFactory $l10NFactory
+     * @param IUserSession $userSession
+     * @param IGroupManager $groupManager
+     */
+    public function __construct(IURLGenerator $url, IConfig $config, IManager $notificationManager, IFactory $l10NFactory, IUserSession $userSession, IGroupManager $groupManager) {
+        $this->url = $url;
+        $this->notificationManager = $notificationManager;
+        $this->config = $config;
+        $this->l10NFactory = $l10NFactory;
+        $this->userSession = $userSession;
+        $this->groupManager = $groupManager;
+        $this->appVersions = $this->getAppVersions();
+    }
+
+    /**
+     * @param INotification $notification
+     * @param string $languageCode The code of the language that should be used to prepare the notification
+     * @return INotification
+     * @throws \InvalidArgumentException When the notification was not prepared by a notifier
+     * @since 9.0.0
+     */
+    public function prepare(INotification $notification, $languageCode) {
+        if ($notification->getApp() !== 'updatenotification') {
+            throw new \InvalidArgumentException();
+        }
+
+        $l = $this->l10NFactory->get('updatenotification', $languageCode);
+        if ($notification->getSubject() === 'connection_error') {
+            $errors = (int) $this->config->getAppValue('updatenotification', 'update_check_errors', 0);
+            if ($errors === 0) {
+                $this->notificationManager->markProcessed($notification);
+                throw new \InvalidArgumentException();
+            }
+
+            $notification->setParsedSubject($l->t('The update server could not be reached since %d days to check for new updates.', [$errors]))
+                ->setParsedMessage($l->t('Please check the nextcloud and server log files for errors.'));
+        } elseif ($notification->getObjectType() === 'core') {
+            $this->updateAlreadyInstalledCheck($notification, $this->getCoreVersions());
+
+            $parameters = $notification->getSubjectParameters();
+            $notification->setParsedSubject($l->t('Update to %1$s is available.', [$parameters['version']]));
+
+            if ($this->isAdmin()) {
+                $notification->setLink($this->url->linkToRouteAbsolute('settings.AdminSettings.index') . '#updater');
+            }
+        } else {
+            $appInfo = $this->getAppInfo($notification->getObjectType());
+            $appName = ($appInfo === null) ? $notification->getObjectType() : $appInfo['name'];
+
+            if (isset($this->appVersions[$notification->getObjectType()])) {
+                $this->updateAlreadyInstalledCheck($notification, $this->appVersions[$notification->getObjectType()]);
+            }
+
+            $notification->setParsedSubject($l->t('Update for %1$s to version %2$s is available.', [$appName, $notification->getObjectId()]))
+                ->setRichSubject($l->t('Update for {app} to version %s is available.', $notification->getObjectId()), [
+                    'app' => [
+                        'type' => 'app',
+                        'id' => $notification->getObjectType(),
+                        'name' => $appName,
+                    ]
+                ]);
+
+            if ($this->isAdmin()) {
+                $notification->setLink($this->url->linkToRouteAbsolute('settings.AppSettings.viewApps') . '#app-' . $notification->getObjectType());
+            }
+        }
+
+        $notification->setIcon($this->url->getAbsoluteURL($this->url->imagePath('updatenotification', 'notification.svg')));
+
+        return $notification;
+    }
+
+    /**
+     * Remove the notification and prevent rendering, when the update is installed
+     *
+     * @param INotification $notification
+     * @param string $installedVersion
+     * @throws \InvalidArgumentException When the update is already installed
+     */
+    protected function updateAlreadyInstalledCheck(INotification $notification, $installedVersion) {
+        if (version_compare($notification->getObjectId(), $installedVersion, '<=')) {
+            $this->notificationManager->markProcessed($notification);
+            throw new \InvalidArgumentException();
+        }
+    }
+
+    /**
+     * @return bool
+     */
+    protected function isAdmin() {
+        $user = $this->userSession->getUser();
+
+        if ($user instanceof IUser) {
+            return $this->groupManager->isAdmin($user->getUID());
+        }
+
+        return false;
+    }
+
+    protected function getCoreVersions() {
+        return implode('.', \OCP\Util::getVersion());
+    }
+
+    protected function getAppVersions() {
+        return \OC_App::getAppVersions();
+    }
+
+    protected function getAppInfo($appId) {
+        return \OC_App::getAppInfo($appId);
+    }
 }

apps/user_ldap/lib/Command/SetConfig.php

Doc Comments -2 removed lines

@@ -74,8 +74,6 @@
 	/**
 	 * save the configuration value as provided
 	 * @param string $configID
-	 * @param string $configKey
-	 * @param string $configValue
 	 */
 	protected function setValue($configID, $key, $value) {
 		$configHolder = new Configuration($configID);

Indentation +46 added lines, -46 removed lines

@@ -34,53 +34,53 @@
 
 class SetConfig extends Command {
 
-	protected function configure() {
-		$this
-			->setName('ldap:set-config')
-			->setDescription('modifies an LDAP configuration')
-			->addArgument(
-					'configID',
-					InputArgument::REQUIRED,
-					'the configuration ID'
-				     )
-			->addArgument(
-					'configKey',
-					InputArgument::REQUIRED,
-					'the configuration key'
-				     )
-			->addArgument(
-					'configValue',
-					InputArgument::REQUIRED,
-					'the new configuration value'
-				     )
-		;
-	}
+    protected function configure() {
+        $this
+            ->setName('ldap:set-config')
+            ->setDescription('modifies an LDAP configuration')
+            ->addArgument(
+                    'configID',
+                    InputArgument::REQUIRED,
+                    'the configuration ID'
+                        )
+            ->addArgument(
+                    'configKey',
+                    InputArgument::REQUIRED,
+                    'the configuration key'
+                        )
+            ->addArgument(
+                    'configValue',
+                    InputArgument::REQUIRED,
+                    'the new configuration value'
+                        )
+        ;
+    }
 
-	protected function execute(InputInterface $input, OutputInterface $output) {
-		$helper = new Helper(\OC::$server->getConfig());
-		$availableConfigs = $helper->getServerConfigurationPrefixes();
-		$configID = $input->getArgument('configID');
-		if(!in_array($configID, $availableConfigs)) {
-			$output->writeln("Invalid configID");
-			return;
-		}
+    protected function execute(InputInterface $input, OutputInterface $output) {
+        $helper = new Helper(\OC::$server->getConfig());
+        $availableConfigs = $helper->getServerConfigurationPrefixes();
+        $configID = $input->getArgument('configID');
+        if(!in_array($configID, $availableConfigs)) {
+            $output->writeln("Invalid configID");
+            return;
+        }
 
-		$this->setValue(
-			$configID,
-			$input->getArgument('configKey'),
-			$input->getArgument('configValue')
-		);
-	}
+        $this->setValue(
+            $configID,
+            $input->getArgument('configKey'),
+            $input->getArgument('configValue')
+        );
+    }
 
-	/**
-	 * save the configuration value as provided
-	 * @param string $configID
-	 * @param string $configKey
-	 * @param string $configValue
-	 */
-	protected function setValue($configID, $key, $value) {
-		$configHolder = new Configuration($configID);
-		$configHolder->$key = $value;
-		$configHolder->saveConfiguration();
-	}
+    /**
+     * save the configuration value as provided
+     * @param string $configID
+     * @param string $configKey
+     * @param string $configValue
+     */
+    protected function setValue($configID, $key, $value) {
+        $configHolder = new Configuration($configID);
+        $configHolder->$key = $value;
+        $configHolder->saveConfiguration();
+    }
 }

Spacing +1 added lines, -1 removed lines

@@ -60,7 +60,7 @@
 		$helper = new Helper(\OC::$server->getConfig());
 		$availableConfigs = $helper->getServerConfigurationPrefixes();
 		$configID = $input->getArgument('configID');
-		if(!in_array($configID, $availableConfigs)) {
+		if (!in_array($configID, $availableConfigs)) {
 			$output->writeln("Invalid configID");
 			return;
 		}

apps/user_ldap/lib/Jobs/UpdateGroups.php

Doc Comments +1 added lines, -1 removed lines

@@ -77,7 +77,7 @@
 	}
 
 	/**
-	 * @return int
+	 * @return string
 	 */
 	static private function getRefreshInterval() {
 		//defaults to every hour

Indentation +163 added lines, -163 removed lines

@@ -41,182 +41,182 @@
 use OCA\User_LDAP\User\Manager;
 
 class UpdateGroups extends \OC\BackgroundJob\TimedJob {
-	static private $groupsFromDB;
-
-	static private $groupBE;
-
-	public function __construct(){
-		$this->interval = self::getRefreshInterval();
-	}
-
-	/**
-	 * @param mixed $argument
-	 */
-	public function run($argument){
-		self::updateGroups();
-	}
-
-	static public function updateGroups() {
-		\OCP\Util::writeLog('user_ldap', 'Run background job "updateGroups"', \OCP\Util::DEBUG);
-
-		$knownGroups = array_keys(self::getKnownGroups());
-		$actualGroups = self::getGroupBE()->getGroups();
-
-		if(empty($actualGroups) && empty($knownGroups)) {
-			\OCP\Util::writeLog('user_ldap',
-				'bgJ "updateGroups" – groups do not seem to be configured properly, aborting.',
-				\OCP\Util::INFO);
-			return;
-		}
-
-		self::handleKnownGroups(array_intersect($actualGroups, $knownGroups));
-		self::handleCreatedGroups(array_diff($actualGroups, $knownGroups));
-		self::handleRemovedGroups(array_diff($knownGroups, $actualGroups));
-
-		\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – Finished.', \OCP\Util::DEBUG);
-	}
-
-	/**
-	 * @return int
-	 */
-	static private function getRefreshInterval() {
-		//defaults to every hour
-		return \OCP\Config::getAppValue('user_ldap', 'bgjRefreshInterval', 3600);
-	}
-
-	/**
-	 * @param string[] $groups
-	 */
-	static private function handleKnownGroups($groups) {
-		\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – Dealing with known Groups.', \OCP\Util::DEBUG);
-		$query = \OCP\DB::prepare('
+    static private $groupsFromDB;
+
+    static private $groupBE;
+
+    public function __construct(){
+        $this->interval = self::getRefreshInterval();
+    }
+
+    /**
+     * @param mixed $argument
+     */
+    public function run($argument){
+        self::updateGroups();
+    }
+
+    static public function updateGroups() {
+        \OCP\Util::writeLog('user_ldap', 'Run background job "updateGroups"', \OCP\Util::DEBUG);
+
+        $knownGroups = array_keys(self::getKnownGroups());
+        $actualGroups = self::getGroupBE()->getGroups();
+
+        if(empty($actualGroups) && empty($knownGroups)) {
+            \OCP\Util::writeLog('user_ldap',
+                'bgJ "updateGroups" – groups do not seem to be configured properly, aborting.',
+                \OCP\Util::INFO);
+            return;
+        }
+
+        self::handleKnownGroups(array_intersect($actualGroups, $knownGroups));
+        self::handleCreatedGroups(array_diff($actualGroups, $knownGroups));
+        self::handleRemovedGroups(array_diff($knownGroups, $actualGroups));
+
+        \OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – Finished.', \OCP\Util::DEBUG);
+    }
+
+    /**
+     * @return int
+     */
+    static private function getRefreshInterval() {
+        //defaults to every hour
+        return \OCP\Config::getAppValue('user_ldap', 'bgjRefreshInterval', 3600);
+    }
+
+    /**
+     * @param string[] $groups
+     */
+    static private function handleKnownGroups($groups) {
+        \OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – Dealing with known Groups.', \OCP\Util::DEBUG);
+        $query = \OCP\DB::prepare('
 			UPDATE `*PREFIX*ldap_group_members`
 			SET `owncloudusers` = ?
 			WHERE `owncloudname` = ?
 		');
-		foreach($groups as $group) {
-			//we assume, that self::$groupsFromDB has been retrieved already
-			$knownUsers = unserialize(self::$groupsFromDB[$group]['owncloudusers']);
-			$actualUsers = self::getGroupBE()->usersInGroup($group);
-			$hasChanged = false;
-			foreach(array_diff($knownUsers, $actualUsers) as $removedUser) {
-				\OCP\Util::emitHook('OC_User', 'post_removeFromGroup', array('uid' => $removedUser, 'gid' => $group));
-				\OCP\Util::writeLog('user_ldap',
-				'bgJ "updateGroups" – "'.$removedUser.'" removed from "'.$group.'".',
-				\OCP\Util::INFO);
-				$hasChanged = true;
-			}
-			foreach(array_diff($actualUsers, $knownUsers) as $addedUser) {
-				\OCP\Util::emitHook('OC_User', 'post_addToGroup', array('uid' => $addedUser, 'gid' => $group));
-				\OCP\Util::writeLog('user_ldap',
-				'bgJ "updateGroups" – "'.$addedUser.'" added to "'.$group.'".',
-				\OCP\Util::INFO);
-				$hasChanged = true;
-			}
-			if($hasChanged) {
-				$query->execute(array(serialize($actualUsers), $group));
-			}
-		}
-		\OCP\Util::writeLog('user_ldap',
-			'bgJ "updateGroups" – FINISHED dealing with known Groups.',
-			\OCP\Util::DEBUG);
-	}
-
-	/**
-	 * @param string[] $createdGroups
-	 */
-	static private function handleCreatedGroups($createdGroups) {
-		\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – dealing with created Groups.', \OCP\Util::DEBUG);
-		$query = \OCP\DB::prepare('
+        foreach($groups as $group) {
+            //we assume, that self::$groupsFromDB has been retrieved already
+            $knownUsers = unserialize(self::$groupsFromDB[$group]['owncloudusers']);
+            $actualUsers = self::getGroupBE()->usersInGroup($group);
+            $hasChanged = false;
+            foreach(array_diff($knownUsers, $actualUsers) as $removedUser) {
+                \OCP\Util::emitHook('OC_User', 'post_removeFromGroup', array('uid' => $removedUser, 'gid' => $group));
+                \OCP\Util::writeLog('user_ldap',
+                'bgJ "updateGroups" – "'.$removedUser.'" removed from "'.$group.'".',
+                \OCP\Util::INFO);
+                $hasChanged = true;
+            }
+            foreach(array_diff($actualUsers, $knownUsers) as $addedUser) {
+                \OCP\Util::emitHook('OC_User', 'post_addToGroup', array('uid' => $addedUser, 'gid' => $group));
+                \OCP\Util::writeLog('user_ldap',
+                'bgJ "updateGroups" – "'.$addedUser.'" added to "'.$group.'".',
+                \OCP\Util::INFO);
+                $hasChanged = true;
+            }
+            if($hasChanged) {
+                $query->execute(array(serialize($actualUsers), $group));
+            }
+        }
+        \OCP\Util::writeLog('user_ldap',
+            'bgJ "updateGroups" – FINISHED dealing with known Groups.',
+            \OCP\Util::DEBUG);
+    }
+
+    /**
+     * @param string[] $createdGroups
+     */
+    static private function handleCreatedGroups($createdGroups) {
+        \OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – dealing with created Groups.', \OCP\Util::DEBUG);
+        $query = \OCP\DB::prepare('
 			INSERT
 			INTO `*PREFIX*ldap_group_members` (`owncloudname`, `owncloudusers`)
 			VALUES (?, ?)
 		');
-		foreach($createdGroups as $createdGroup) {
-			\OCP\Util::writeLog('user_ldap',
-				'bgJ "updateGroups" – new group "'.$createdGroup.'" found.',
-				\OCP\Util::INFO);
-			$users = serialize(self::getGroupBE()->usersInGroup($createdGroup));
-			$query->execute(array($createdGroup, $users));
-		}
-		\OCP\Util::writeLog('user_ldap',
-			'bgJ "updateGroups" – FINISHED dealing with created Groups.',
-			\OCP\Util::DEBUG);
-	}
-
-	/**
-	 * @param string[] $removedGroups
-	 */
-	static private function handleRemovedGroups($removedGroups) {
-		\OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – dealing with removed groups.', \OCP\Util::DEBUG);
-		$query = \OCP\DB::prepare('
+        foreach($createdGroups as $createdGroup) {
+            \OCP\Util::writeLog('user_ldap',
+                'bgJ "updateGroups" – new group "'.$createdGroup.'" found.',
+                \OCP\Util::INFO);
+            $users = serialize(self::getGroupBE()->usersInGroup($createdGroup));
+            $query->execute(array($createdGroup, $users));
+        }
+        \OCP\Util::writeLog('user_ldap',
+            'bgJ "updateGroups" – FINISHED dealing with created Groups.',
+            \OCP\Util::DEBUG);
+    }
+
+    /**
+     * @param string[] $removedGroups
+     */
+    static private function handleRemovedGroups($removedGroups) {
+        \OCP\Util::writeLog('user_ldap', 'bgJ "updateGroups" – dealing with removed groups.', \OCP\Util::DEBUG);
+        $query = \OCP\DB::prepare('
 			DELETE
 			FROM `*PREFIX*ldap_group_members`
 			WHERE `owncloudname` = ?
 		');
-		foreach($removedGroups as $removedGroup) {
-			\OCP\Util::writeLog('user_ldap',
-				'bgJ "updateGroups" – group "'.$removedGroup.'" was removed.',
-				\OCP\Util::INFO);
-			$query->execute(array($removedGroup));
-		}
-		\OCP\Util::writeLog('user_ldap',
-			'bgJ "updateGroups" – FINISHED dealing with removed groups.',
-			\OCP\Util::DEBUG);
-	}
-
-	/**
-	 * @return \OCA\User_LDAP\Group_LDAP|\OCA\User_LDAP\Group_Proxy
-	 */
-	static private function getGroupBE() {
-		if(!is_null(self::$groupBE)) {
-			return self::$groupBE;
-		}
-		$helper = new Helper(\OC::$server->getConfig());
-		$configPrefixes = $helper->getServerConfigurationPrefixes(true);
-		$ldapWrapper = new LDAP();
-		if(count($configPrefixes) === 1) {
-			//avoid the proxy when there is only one LDAP server configured
-			$dbc = \OC::$server->getDatabaseConnection();
-			$userManager = new Manager(
-				\OC::$server->getConfig(),
-				new FilesystemHelper(),
-				new LogWrapper(),
-				\OC::$server->getAvatarManager(),
-				new \OCP\Image(),
-				$dbc,
-				\OC::$server->getUserManager());
-			$connector = new Connection($ldapWrapper, $configPrefixes[0]);
-			$ldapAccess = new Access($connector, $ldapWrapper, $userManager, $helper);
-			$groupMapper = new GroupMapping($dbc);
-			$userMapper  = new UserMapping($dbc);
-			$ldapAccess->setGroupMapper($groupMapper);
-			$ldapAccess->setUserMapper($userMapper);
-			self::$groupBE = new \OCA\User_LDAP\Group_LDAP($ldapAccess);
-		} else {
-			self::$groupBE = new \OCA\User_LDAP\Group_Proxy($configPrefixes, $ldapWrapper);
-		}
-
-		return self::$groupBE;
-	}
-
-	/**
-	 * @return array
-	 */
-	static private function getKnownGroups() {
-		if(is_array(self::$groupsFromDB)) {
-			return self::$groupsFromDB;
-		}
-		$query = \OCP\DB::prepare('
+        foreach($removedGroups as $removedGroup) {
+            \OCP\Util::writeLog('user_ldap',
+                'bgJ "updateGroups" – group "'.$removedGroup.'" was removed.',
+                \OCP\Util::INFO);
+            $query->execute(array($removedGroup));
+        }
+        \OCP\Util::writeLog('user_ldap',
+            'bgJ "updateGroups" – FINISHED dealing with removed groups.',
+            \OCP\Util::DEBUG);
+    }
+
+    /**
+     * @return \OCA\User_LDAP\Group_LDAP|\OCA\User_LDAP\Group_Proxy
+     */
+    static private function getGroupBE() {
+        if(!is_null(self::$groupBE)) {
+            return self::$groupBE;
+        }
+        $helper = new Helper(\OC::$server->getConfig());
+        $configPrefixes = $helper->getServerConfigurationPrefixes(true);
+        $ldapWrapper = new LDAP();
+        if(count($configPrefixes) === 1) {
+            //avoid the proxy when there is only one LDAP server configured
+            $dbc = \OC::$server->getDatabaseConnection();
+            $userManager = new Manager(
+                \OC::$server->getConfig(),
+                new FilesystemHelper(),
+                new LogWrapper(),
+                \OC::$server->getAvatarManager(),
+                new \OCP\Image(),
+                $dbc,
+                \OC::$server->getUserManager());
+            $connector = new Connection($ldapWrapper, $configPrefixes[0]);
+            $ldapAccess = new Access($connector, $ldapWrapper, $userManager, $helper);
+            $groupMapper = new GroupMapping($dbc);
+            $userMapper  = new UserMapping($dbc);
+            $ldapAccess->setGroupMapper($groupMapper);
+            $ldapAccess->setUserMapper($userMapper);
+            self::$groupBE = new \OCA\User_LDAP\Group_LDAP($ldapAccess);
+        } else {
+            self::$groupBE = new \OCA\User_LDAP\Group_Proxy($configPrefixes, $ldapWrapper);
+        }
+
+        return self::$groupBE;
+    }
+
+    /**
+     * @return array
+     */
+    static private function getKnownGroups() {
+        if(is_array(self::$groupsFromDB)) {
+            return self::$groupsFromDB;
+        }
+        $query = \OCP\DB::prepare('
 			SELECT `owncloudname`, `owncloudusers`
 			FROM `*PREFIX*ldap_group_members`
 		');
-		$result = $query->execute()->fetchAll();
-		self::$groupsFromDB = array();
-		foreach($result as $dataset) {
-			self::$groupsFromDB[$dataset['owncloudname']] = $dataset;
-		}
-
-		return self::$groupsFromDB;
-	}
+        $result = $query->execute()->fetchAll();
+        self::$groupsFromDB = array();
+        foreach($result as $dataset) {
+            self::$groupsFromDB[$dataset['owncloudname']] = $dataset;
+        }
+
+        return self::$groupsFromDB;
+    }
 }

Spacing +13 added lines, -13 removed lines

@@ -45,14 +45,14 @@ 
 
 	static private $groupBE;
 
-	public function __construct(){
+	public function __construct() {
 		$this->interval = self::getRefreshInterval();
 	}
 
 	/**
 	 * @param mixed $argument
 	 */
-	public function run($argument){
+	public function run($argument) {
 		self::updateGroups();
 	}
 
@@ -62,7 +62,7 @@ 
 		$knownGroups = array_keys(self::getKnownGroups());
 		$actualGroups = self::getGroupBE()->getGroups();
 
-		if(empty($actualGroups) && empty($knownGroups)) {
+		if (empty($actualGroups) && empty($knownGroups)) {
 			\OCP\Util::writeLog('user_ldap',
 				'bgJ "updateGroups" – groups do not seem to be configured properly, aborting.',
 				\OCP\Util::INFO);
@@ -94,26 +94,26 @@ 
 			SET `owncloudusers` = ?
 			WHERE `owncloudname` = ?
 		');
-		foreach($groups as $group) {
+		foreach ($groups as $group) {
 			//we assume, that self::$groupsFromDB has been retrieved already
 			$knownUsers = unserialize(self::$groupsFromDB[$group]['owncloudusers']);
 			$actualUsers = self::getGroupBE()->usersInGroup($group);
 			$hasChanged = false;
-			foreach(array_diff($knownUsers, $actualUsers) as $removedUser) {
+			foreach (array_diff($knownUsers, $actualUsers) as $removedUser) {
 				\OCP\Util::emitHook('OC_User', 'post_removeFromGroup', array('uid' => $removedUser, 'gid' => $group));
 				\OCP\Util::writeLog('user_ldap',
 				'bgJ "updateGroups" – "'.$removedUser.'" removed from "'.$group.'".',
 				\OCP\Util::INFO);
 				$hasChanged = true;
 			}
-			foreach(array_diff($actualUsers, $knownUsers) as $addedUser) {
+			foreach (array_diff($actualUsers, $knownUsers) as $addedUser) {
 				\OCP\Util::emitHook('OC_User', 'post_addToGroup', array('uid' => $addedUser, 'gid' => $group));
 				\OCP\Util::writeLog('user_ldap',
 				'bgJ "updateGroups" – "'.$addedUser.'" added to "'.$group.'".',
 				\OCP\Util::INFO);
 				$hasChanged = true;
 			}
-			if($hasChanged) {
+			if ($hasChanged) {
 				$query->execute(array(serialize($actualUsers), $group));
 			}
 		}
@@ -132,7 +132,7 @@ 
 			INTO `*PREFIX*ldap_group_members` (`owncloudname`, `owncloudusers`)
 			VALUES (?, ?)
 		');
-		foreach($createdGroups as $createdGroup) {
+		foreach ($createdGroups as $createdGroup) {
 			\OCP\Util::writeLog('user_ldap',
 				'bgJ "updateGroups" – new group "'.$createdGroup.'" found.',
 				\OCP\Util::INFO);
@@ -154,7 +154,7 @@ 
 			FROM `*PREFIX*ldap_group_members`
 			WHERE `owncloudname` = ?
 		');
-		foreach($removedGroups as $removedGroup) {
+		foreach ($removedGroups as $removedGroup) {
 			\OCP\Util::writeLog('user_ldap',
 				'bgJ "updateGroups" – group "'.$removedGroup.'" was removed.',
 				\OCP\Util::INFO);
@@ -169,13 +169,13 @@ 
 	 * @return \OCA\User_LDAP\Group_LDAP|\OCA\User_LDAP\Group_Proxy
 	 */
 	static private function getGroupBE() {
-		if(!is_null(self::$groupBE)) {
+		if (!is_null(self::$groupBE)) {
 			return self::$groupBE;
 		}
 		$helper = new Helper(\OC::$server->getConfig());
 		$configPrefixes = $helper->getServerConfigurationPrefixes(true);
 		$ldapWrapper = new LDAP();
-		if(count($configPrefixes) === 1) {
+		if (count($configPrefixes) === 1) {
 			//avoid the proxy when there is only one LDAP server configured
 			$dbc = \OC::$server->getDatabaseConnection();
 			$userManager = new Manager(
@@ -204,7 +204,7 @@ 
 	 * @return array
 	 */
 	static private function getKnownGroups() {
-		if(is_array(self::$groupsFromDB)) {
+		if (is_array(self::$groupsFromDB)) {
 			return self::$groupsFromDB;
 		}
 		$query = \OCP\DB::prepare('
@@ -213,7 +213,7 @@ 
 		');
 		$result = $query->execute()->fetchAll();
 		self::$groupsFromDB = array();
-		foreach($result as $dataset) {
+		foreach ($result as $dataset) {
 			self::$groupsFromDB[$dataset['owncloudname']] = $dataset;
 		}