/
FileMimeType.php
198 lines (174 loc) · 6.33 KB
/
FileMimeType.php
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
<?php
/**
* @copyright Copyright (c) 2016 Joas Schilling <coding@schilljs.com>
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
namespace OCA\WorkflowEngine\Check;
use OCP\Files\IMimeTypeDetector;
use OCP\Files\Storage\IStorage;
use OCP\IL10N;
use OCP\IRequest;
class FileMimeType extends AbstractStringCheck {
/** @var array */
protected $mimeType;
/** @var IRequest */
protected $request;
/** @var IMimeTypeDetector */
protected $mimeTypeDetector;
/** @var IStorage */
protected $storage;
/** @var string */
protected $path;
/**
* @param IL10N $l
* @param IRequest $request
* @param IMimeTypeDetector $mimeTypeDetector
*/
public function __construct(IL10N $l, IRequest $request, IMimeTypeDetector $mimeTypeDetector) {
parent::__construct($l);
$this->request = $request;
$this->mimeTypeDetector = $mimeTypeDetector;
}
/**
* @param IStorage $storage
* @param string $path
*/
public function setFileInfo(IStorage $storage, $path) {
$this->storage = $storage;
$this->path = $path;
if (!isset($this->mimeType[$this->storage->getId()][$this->path])
|| $this->mimeType[$this->storage->getId()][$this->path] === '') {
$this->mimeType[$this->storage->getId()][$this->path] = null;
}
}
/**
* @return string
*/
protected function getActualValue() {
if ($this->mimeType[$this->storage->getId()][$this->path] !== null) {
return $this->mimeType[$this->storage->getId()][$this->path];
}
if ($this->storage->is_dir($this->path)) {
$this->mimeType[$this->storage->getId()][$this->path] = 'httpd/unix-directory';
return $this->mimeType[$this->storage->getId()][$this->path];
}
if ($this->isWebDAVRequest()) {
// Creating a folder
if ($this->request->getMethod() === 'MKCOL') {
$this->mimeType[$this->storage->getId()][$this->path] = 'httpd/unix-directory';
return $this->mimeType[$this->storage->getId()][$this->path];
}
if ($this->request->getMethod() === 'PUT' || $this->request->getMethod() === 'MOVE') {
if ($this->request->getMethod() === 'MOVE') {
$this->mimeType[$this->storage->getId()][$this->path] = $this->mimeTypeDetector->detectPath($this->path);
} else {
$path = $this->request->getPathInfo();
$this->mimeType[$this->storage->getId()][$this->path] = $this->mimeTypeDetector->detectPath($path);
}
return $this->mimeType[$this->storage->getId()][$this->path];
}
} else if ($this->isPublicWebDAVRequest()) {
if ($this->request->getMethod() === 'PUT') {
$path = $this->request->getPathInfo();
if (strpos($path, '/webdav/') === 0) {
$path = substr($path, strlen('/webdav'));
}
$path = $this->path . $path;
$this->mimeType[$this->storage->getId()][$path] = $this->mimeTypeDetector->detectPath($path);
return $this->mimeType[$this->storage->getId()][$path];
}
}
if (in_array($this->request->getMethod(), ['POST', 'PUT'])) {
$files = $this->request->getUploadedFile('files');
if (isset($files['type'][0])) {
$mimeType = $files['type'][0];
if ($mimeType === 'application/octet-stream') {
// Maybe not...
$mimeTypeTest = $this->mimeTypeDetector->detectPath($files['name'][0]);
if ($mimeTypeTest !== 'application/octet-stream' && $mimeTypeTest !== false) {
$mimeType = $mimeTypeTest;
} else {
$mimeTypeTest = $this->mimeTypeDetector->detect($files['tmp_name'][0]);
if ($mimeTypeTest !== 'application/octet-stream' && $mimeTypeTest !== false) {
$mimeType = $mimeTypeTest;
}
}
}
$this->mimeType[$this->storage->getId()][$this->path] = $mimeType;
return $mimeType;
}
}
$this->mimeType[$this->storage->getId()][$this->path] = $this->storage->getMimeType($this->path);
if ($this->mimeType[$this->storage->getId()][$this->path] === 'application/octet-stream') {
$this->mimeType[$this->storage->getId()][$this->path] = $this->detectMimetypeFromPath();
}
return $this->mimeType[$this->storage->getId()][$this->path];
}
/**
* @return string
*/
protected function detectMimetypeFromPath() {
$mimeType = $this->mimeTypeDetector->detectPath($this->path);
if ($mimeType !== 'application/octet-stream' && $mimeType !== false) {
return $mimeType;
}
if ($this->storage->instanceOfStorage('\OC\Files\Storage\Local')
|| $this->storage->instanceOfStorage('\OC\Files\Storage\Home')
|| $this->storage->instanceOfStorage('\OC\Files\ObjectStore\HomeObjectStoreStorage')) {
$localFile = $this->storage->getLocalFile($this->path);
if ($localFile !== false) {
$mimeType = $this->mimeTypeDetector->detect($localFile);
if ($mimeType !== false) {
return $mimeType;
}
}
return 'application/octet-stream';
} else {
$handle = $this->storage->fopen($this->path, 'r');
$data = fread($handle, 8024);
fclose($handle);
$mimeType = $this->mimeTypeDetector->detectString($data);
if ($mimeType !== false) {
return $mimeType;
}
return 'application/octet-stream';
}
}
/**
* @return bool
*/
protected function isWebDAVRequest() {
return substr($this->request->getScriptName(), 0 - strlen('/remote.php')) === '/remote.php' && (
$this->request->getPathInfo() === '/webdav' ||
strpos($this->request->getPathInfo(), '/webdav/') === 0 ||
$this->request->getPathInfo() === '/dav/files' ||
strpos($this->request->getPathInfo(), '/dav/files/') === 0 ||
$this->request->getPathInfo() === '/dav/uploads' ||
strpos($this->request->getPathInfo(), '/dav/uploads/') === 0
);
}
/**
* @return bool
*/
protected function isPublicWebDAVRequest() {
return substr($this->request->getScriptName(), 0 - strlen('/public.php')) === '/public.php' && (
$this->request->getPathInfo() === '/webdav' ||
strpos($this->request->getPathInfo(), '/webdav/') === 0
);
}
}