1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* @copyright Copyright (c) 2016 Robin Appelman <[email protected]> |
4
|
|
|
* |
5
|
|
|
* @author Morris Jobke <[email protected]> |
6
|
|
|
* @author Robin Appelman <[email protected]> |
7
|
|
|
* |
8
|
|
|
* @license GNU AGPL version 3 or any later version |
9
|
|
|
* |
10
|
|
|
* This program is free software: you can redistribute it and/or modify |
11
|
|
|
* it under the terms of the GNU Affero General Public License as |
12
|
|
|
* published by the Free Software Foundation, either version 3 of the |
13
|
|
|
* License, or (at your option) any later version. |
14
|
|
|
* |
15
|
|
|
* This program is distributed in the hope that it will be useful, |
16
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
17
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
18
|
|
|
* GNU Affero General Public License for more details. |
19
|
|
|
* |
20
|
|
|
* You should have received a copy of the GNU Affero General Public License |
21
|
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>. |
22
|
|
|
* |
23
|
|
|
*/ |
24
|
|
|
|
25
|
|
|
namespace OC\Files\ObjectStore; |
26
|
|
|
|
27
|
|
|
use Aws\ClientResolver; |
28
|
|
|
use Aws\S3\Exception\S3Exception; |
29
|
|
|
use Aws\S3\S3Client; |
30
|
|
|
use OCP\ILogger; |
31
|
|
|
|
32
|
|
|
trait S3ConnectionTrait { |
33
|
|
|
/** @var array */ |
34
|
|
|
protected $params; |
35
|
|
|
|
36
|
|
|
/** @var S3Client */ |
37
|
|
|
protected $connection; |
38
|
|
|
|
39
|
|
|
/** @var string */ |
40
|
|
|
protected $id; |
41
|
|
|
|
42
|
|
|
/** @var string */ |
43
|
|
|
protected $bucket; |
44
|
|
|
|
45
|
|
|
/** @var int */ |
46
|
|
|
protected $timeout; |
47
|
|
|
|
48
|
|
|
protected $test; |
49
|
|
|
|
50
|
|
|
protected function parseParams($params) { |
51
|
|
|
if (empty($params['key']) || empty($params['secret']) || empty($params['bucket'])) { |
52
|
|
|
throw new \Exception("Access Key, Secret and Bucket have to be configured."); |
53
|
|
|
} |
54
|
|
|
|
55
|
|
|
$this->id = 'amazon::' . $params['bucket']; |
56
|
|
|
|
57
|
|
|
$this->test = isset($params['test']); |
58
|
|
|
$this->bucket = $params['bucket']; |
59
|
|
|
$this->timeout = !isset($params['timeout']) ? 15 : $params['timeout']; |
60
|
|
|
$params['region'] = empty($params['region']) ? 'eu-west-1' : $params['region']; |
61
|
|
|
$params['hostname'] = empty($params['hostname']) ? 's3.' . $params['region'] . '.amazonaws.com' : $params['hostname']; |
62
|
|
|
if (!isset($params['port']) || $params['port'] === '') { |
63
|
|
|
$params['port'] = (isset($params['use_ssl']) && $params['use_ssl'] === false) ? 80 : 443; |
64
|
|
|
} |
65
|
|
|
$this->params = $params; |
66
|
|
|
} |
67
|
|
|
|
68
|
|
|
public function getBucket() { |
69
|
|
|
return $this->bucket; |
70
|
|
|
} |
71
|
|
|
|
72
|
|
|
/** |
73
|
|
|
* Returns the connection |
74
|
|
|
* |
75
|
|
|
* @return S3Client connected client |
76
|
|
|
* @throws \Exception if connection could not be made |
77
|
|
|
*/ |
78
|
|
|
public function getConnection() { |
79
|
|
|
if (!is_null($this->connection)) { |
80
|
|
|
return $this->connection; |
81
|
|
|
} |
82
|
|
|
|
83
|
|
|
$scheme = (isset($this->params['use_ssl']) && $this->params['use_ssl'] === false) ? 'http' : 'https'; |
84
|
|
|
$base_url = $scheme . '://' . $this->params['hostname'] . ':' . $this->params['port'] . '/'; |
85
|
|
|
|
86
|
|
|
$options = [ |
87
|
|
|
'version' => isset($this->params['version']) ? $this->params['version'] : 'latest', |
88
|
|
|
'credentials' => [ |
89
|
|
|
'key' => $this->params['key'], |
90
|
|
|
'secret' => $this->params['secret'], |
91
|
|
|
], |
92
|
|
|
'endpoint' => $base_url, |
93
|
|
|
'region' => $this->params['region'], |
94
|
|
|
'use_path_style_endpoint' => isset($this->params['use_path_style']) ? $this->params['use_path_style'] : false, |
95
|
|
|
'signature_provider' => \Aws\or_chain([self::class, 'legacySignatureProvider'], ClientResolver::_default_signature_provider()) |
96
|
|
|
]; |
97
|
|
|
if (isset($this->params['proxy'])) { |
98
|
|
|
$options['request.options'] = ['proxy' => $this->params['proxy']]; |
99
|
|
|
} |
100
|
|
|
if (isset($this->params['legacy_auth']) && $this->params['legacy_auth']) { |
101
|
|
|
$options['signature_version'] = 'v2'; |
102
|
|
|
} |
103
|
|
|
$this->connection = new S3Client($options); |
104
|
|
|
|
105
|
|
|
if (!$this->connection->isBucketDnsCompatible($this->bucket)) { |
106
|
|
|
$logger = \OC::$server->getLogger(); |
107
|
|
|
$logger->debug('Bucket "' . $this->bucket . '" This bucket name is not dns compatible, it may contain invalid characters.', |
108
|
|
|
['app' => 'objectstore']); |
109
|
|
|
} |
110
|
|
|
|
111
|
|
|
if (!$this->connection->doesBucketExist($this->bucket)) { |
112
|
|
|
$logger = \OC::$server->getLogger(); |
113
|
|
|
try { |
114
|
|
|
$logger->info('Bucket "' . $this->bucket . '" does not exist - creating it.', ['app' => 'objectstore']); |
115
|
|
|
if (!$this->connection->isBucketDnsCompatible($this->bucket)) { |
116
|
|
|
throw new \Exception("The bucket will not be created because the name is not dns compatible, please correct it: " . $this->bucket); |
117
|
|
|
} |
118
|
|
|
$this->connection->createBucket(array('Bucket' => $this->bucket)); |
119
|
|
|
$this->testTimeout(); |
120
|
|
|
} catch (S3Exception $e) { |
121
|
|
|
$logger->logException($e, [ |
122
|
|
|
'message' => 'Invalid remote storage.', |
123
|
|
|
'level' => ILogger::DEBUG, |
124
|
|
|
'app' => 'objectstore', |
125
|
|
|
]); |
126
|
|
|
throw new \Exception('Creation of bucket "' . $this->bucket . '" failed. ' . $e->getMessage()); |
127
|
|
|
} |
128
|
|
|
} |
129
|
|
|
|
130
|
|
|
// google cloud's s3 compatibility doesn't like the EncodingType parameter |
131
|
|
|
if (strpos($base_url, 'storage.googleapis.com')) { |
132
|
|
|
$this->connection->getHandlerList()->remove('s3.auto_encode'); |
133
|
|
|
} |
134
|
|
|
|
135
|
|
|
return $this->connection; |
136
|
|
|
} |
137
|
|
|
|
138
|
|
|
/** |
139
|
|
|
* when running the tests wait to let the buckets catch up |
140
|
|
|
*/ |
141
|
|
|
private function testTimeout() { |
142
|
|
|
if ($this->test) { |
143
|
|
|
sleep($this->timeout); |
144
|
|
|
} |
145
|
|
|
} |
146
|
|
|
|
147
|
|
|
public static function legacySignatureProvider($version, $service, $region) { |
|
|
|
|
148
|
|
|
switch ($version) { |
149
|
|
|
case 'v2': |
150
|
|
|
case 's3': |
151
|
|
|
return new S3Signature(); |
152
|
|
|
default: |
153
|
|
|
return null; |
154
|
|
|
} |
155
|
|
|
} |
156
|
|
|
} |
157
|
|
|
|
This check looks for parameters that have been defined for a function or method, but which are not used in the method body.