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
|
<?php
/**
* ownCloud
*
* @author Jakob Sack
* @copyright 2011 Jakob Sack kde@jakobsack.de
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU AFFERO GENERAL PUBLIC LICENSE
* License as published by the Free Software Foundation; either
* version 3 of the License, or any later version.
*
* This library 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 library. If not, see <http://www.gnu.org/licenses/>.
*
*/
class OC_Connector_Sabre_File extends OC_Connector_Sabre_Node implements Sabre_DAV_IFile {
/**
* Updates the data
*
* The data argument is a readable stream resource.
*
* After a succesful put operation, you may choose to return an ETag. The
* etag must always be surrounded by double-quotes. These quotes must
* appear in the actual string you're returning.
*
* Clients may use the ETag from a PUT request to later on make sure that
* when they update the file, the contents haven't changed in the mean
* time.
*
* If you don't plan to store the file byte-by-byte, and you return a
* different object on a subsequent GET you are strongly recommended to not
* return an ETag, and just return null.
*
* @param resource $data
* @return string|null
*/
public function put($data) {
// mark file as partial while uploading (ignored by the scanner)
$partpath = $this->path . '.part';
\OC\Files\Filesystem::file_put_contents($partpath, $data);
//detect aborted upload
if (isset ($_SERVER['REQUEST_METHOD']) && $_SERVER['REQUEST_METHOD'] === 'PUT' ) {
if (isset($_SERVER['CONTENT_LENGTH'])) {
$expected = $_SERVER['CONTENT_LENGTH'];
$actual = \OC\Files\Filesystem::filesize($partpath);
if ($actual != $expected) {
\OC\Files\Filesystem::unlink($partpath);
throw new Sabre_DAV_Exception_BadRequest(
'expected filesize ' . $expected . ' got ' . $actual);
}
}
}
// rename to correct path
\OC\Files\Filesystem::rename($partpath, $this->path);
//allow sync clients to send the mtime along in a header
$mtime = OC_Request::hasModificationTime();
if ($mtime !== false) {
if(\OC\Files\Filesystem::touch($this->path, $mtime)) {
header('X-OC-MTime: accepted');
}
}
return OC_Connector_Sabre_Node::getETagPropertyForPath($this->path);
}
/**
* Returns the data
*
* @return string
*/
public function get() {
return \OC\Files\Filesystem::fopen($this->path, 'rb');
}
/**
* Delete the current file
*
* @return void
*/
public function delete() {
\OC\Files\Filesystem::unlink($this->path);
}
/**
* Returns the size of the node, in bytes
*
* @return int
*/
public function getSize() {
$this->getFileinfoCache();
return $this->fileinfo_cache['size'];
}
/**
* Returns the ETag for a file
*
* An ETag is a unique identifier representing the current version of the file. If the file changes, the ETag MUST change.
* The ETag is an arbritrary string, but MUST be surrounded by double-quotes.
*
* Return null if the ETag can not effectively be determined
*
* @return mixed
*/
public function getETag() {
$properties = $this->getProperties(array(self::GETETAG_PROPERTYNAME));
if (isset($properties[self::GETETAG_PROPERTYNAME])) {
return $properties[self::GETETAG_PROPERTYNAME];
}
return null;
}
/**
* Returns the mime-type for a file
*
* If null is returned, we'll assume application/octet-stream
*
* @return mixed
*/
public function getContentType() {
if (isset($this->fileinfo_cache['mimetype'])) {
return $this->fileinfo_cache['mimetype'];
}
return \OC\Files\Filesystem::getMimeType($this->path);
}
}
|
