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
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
|
<?php
/**
* @author Arthur Schiwon <blizzz@owncloud.com>
* @author Bart Visscher <bartv@thisnet.nl>
* @author Björn Schießle <schiessle@owncloud.com>
* @author Florian Pritz <bluewind@xinu.at>
* @author Frank Karlitschek <frank@owncloud.org>
* @author Joas Schilling <nickvergessen@owncloud.com>
* @author Jörn Friedrich Dreyer <jfd@butonic.de>
* @author Lukas Reschke <lukas@owncloud.com>
* @author Luke Policinski <lpolicinski@gmail.com>
* @author Morris Jobke <hey@morrisjobke.de>
* @author Robin Appelman <icewind@owncloud.com>
* @author Roman Geber <rgeber@owncloudapps.com>
* @author TheSFReader <TheSFReader@gmail.com>
* @author Thomas Müller <thomas.mueller@tmit.eu>
* @author Vincent Petry <pvince81@owncloud.com>
*
* @copyright Copyright (c) 2015, ownCloud, Inc.
* @license AGPL-3.0
*
* This code is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License, version 3,
* as published by the Free Software Foundation.
*
* 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, version 3,
* along with this program. If not, see <http://www.gnu.org/licenses/>
*
*/
\OC::$server->getSession()->close();
// Firefox and Konqueror tries to download application/json for me. --Arthur
OCP\JSON::setContentTypeHeader('text/plain');
// If a directory token is sent along check if public upload is permitted.
// If not, check the login.
// If no token is sent along, rely on login only
$allowedPermissions = \OCP\Constants::PERMISSION_ALL;
$errorCode = null;
$l = \OC::$server->getL10N('files');
if (empty($_POST['dirToken'])) {
// The standard case, files are uploaded through logged in users :)
OCP\JSON::checkLoggedIn();
$dir = isset($_POST['dir']) ? (string)$_POST['dir'] : '';
if (!$dir || empty($dir) || $dir === false) {
OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('Unable to set upload directory.')))));
die();
}
} else {
// TODO: ideally this code should be in files_sharing/ajax/upload.php
// and the upload/file transfer code needs to be refactored into a utility method
// that could be used there
\OC_User::setIncognitoMode(true);
// return only read permissions for public upload
$allowedPermissions = \OCP\Constants::PERMISSION_READ;
$publicDirectory = !empty($_POST['subdir']) ? (string)$_POST['subdir'] : '/';
$linkItem = OCP\Share::getShareByToken((string)$_POST['dirToken']);
if ($linkItem === false) {
OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('Invalid Token')))));
die();
}
if (!($linkItem['permissions'] & \OCP\Constants::PERMISSION_CREATE)) {
OCP\JSON::checkLoggedIn();
} else {
// resolve reshares
$rootLinkItem = OCP\Share::resolveReShare($linkItem);
OCP\JSON::checkUserExists($rootLinkItem['uid_owner']);
// Setup FS with owner
OC_Util::tearDownFS();
OC_Util::setupFS($rootLinkItem['uid_owner']);
// The token defines the target directory (security reasons)
$path = \OC\Files\Filesystem::getPath($linkItem['file_source']);
$dir = sprintf(
"/%s/%s",
$path,
$publicDirectory
);
if (!$dir || empty($dir) || $dir === false) {
OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('Unable to set upload directory.')))));
die();
}
$dir = rtrim($dir, '/');
}
}
OCP\JSON::callCheck();
// get array with current storage stats (e.g. max file size)
$storageStats = \OCA\Files\Helper::buildFileStorageStatistics($dir);
if (!isset($_FILES['files'])) {
OCP\JSON::error(array('data' => array_merge(array('message' => $l->t('No file was uploaded. Unknown error')), $storageStats)));
exit();
}
foreach ($_FILES['files']['error'] as $error) {
if ($error != 0) {
$errors = array(
UPLOAD_ERR_OK => $l->t('There is no error, the file uploaded with success'),
UPLOAD_ERR_INI_SIZE => $l->t('The uploaded file exceeds the upload_max_filesize directive in php.ini: ')
. ini_get('upload_max_filesize'),
UPLOAD_ERR_FORM_SIZE => $l->t('The uploaded file exceeds the MAX_FILE_SIZE directive that was specified in the HTML form'),
UPLOAD_ERR_PARTIAL => $l->t('The uploaded file was only partially uploaded'),
UPLOAD_ERR_NO_FILE => $l->t('No file was uploaded'),
UPLOAD_ERR_NO_TMP_DIR => $l->t('Missing a temporary folder'),
UPLOAD_ERR_CANT_WRITE => $l->t('Failed to write to disk'),
);
$errorMessage = $errors[$error];
\OC::$server->getLogger()->alert("Upload error: $error - $errorMessage", array('app' => 'files'));
OCP\JSON::error(array('data' => array_merge(array('message' => $errorMessage), $storageStats)));
exit();
}
}
$files = $_FILES['files'];
$error = false;
$maxUploadFileSize = $storageStats['uploadMaxFilesize'];
$maxHumanFileSize = OCP\Util::humanFileSize($maxUploadFileSize);
$totalSize = 0;
foreach ($files['size'] as $size) {
$totalSize += $size;
}
if ($maxUploadFileSize >= 0 and $totalSize > $maxUploadFileSize) {
OCP\JSON::error(array('data' => array('message' => $l->t('Not enough storage available'),
'uploadMaxFilesize' => $maxUploadFileSize,
'maxHumanFilesize' => $maxHumanFileSize)));
exit();
}
$result = array();
if (strpos($dir, '..') === false) {
$fileCount = count($files['name']);
for ($i = 0; $i < $fileCount; $i++) {
if (isset($_POST['resolution'])) {
$resolution = $_POST['resolution'];
} else {
$resolution = null;
}
// target directory for when uploading folders
$relativePath = '';
if(!empty($_POST['file_directory'])) {
$relativePath = '/'.$_POST['file_directory'];
}
// $path needs to be normalized - this failed within drag'n'drop upload to a sub-folder
if ($resolution === 'autorename') {
// append a number in brackets like 'filename (2).ext'
$target = OCP\Files::buildNotExistingFileName($dir . $relativePath, $files['name'][$i]);
} else {
$target = \OC\Files\Filesystem::normalizePath($dir . $relativePath.'/'.$files['name'][$i]);
}
// relative dir to return to the client
if (isset($publicDirectory)) {
// path relative to the public root
$returnedDir = $publicDirectory . $relativePath;
} else {
// full path
$returnedDir = $dir . $relativePath;
}
$returnedDir = \OC\Files\Filesystem::normalizePath($returnedDir);
$exists = \OC\Files\Filesystem::file_exists($target);
if ($exists) {
$updatable = \OC\Files\Filesystem::isUpdatable($target);
}
if ( ! $exists || ($updatable && $resolution === 'replace' ) ) {
// upload and overwrite file
try
{
if (is_uploaded_file($files['tmp_name'][$i]) and \OC\Files\Filesystem::fromTmpFile($files['tmp_name'][$i], $target)) {
// updated max file size after upload
$storageStats = \OCA\Files\Helper::buildFileStorageStatistics($dir);
$meta = \OC\Files\Filesystem::getFileInfo($target);
if ($meta === false) {
$error = $l->t('The target folder has been moved or deleted.');
$errorCode = 'targetnotfound';
} else {
$data = \OCA\Files\Helper::formatFileInfo($meta);
$data['status'] = 'success';
$data['originalname'] = $files['name'][$i];
$data['uploadMaxFilesize'] = $maxUploadFileSize;
$data['maxHumanFilesize'] = $maxHumanFileSize;
$data['permissions'] = $meta['permissions'] & $allowedPermissions;
$data['directory'] = $returnedDir;
$result[] = $data;
}
} else {
$error = $l->t('Upload failed. Could not find uploaded file');
}
} catch(Exception $ex) {
$error = $ex->getMessage();
}
} else {
// file already exists
$meta = \OC\Files\Filesystem::getFileInfo($target);
if ($meta === false) {
$error = $l->t('Upload failed. Could not get file info.');
} else {
$data = \OCA\Files\Helper::formatFileInfo($meta);
if ($updatable) {
$data['status'] = 'existserror';
} else {
$data['status'] = 'readonly';
}
$data['originalname'] = $files['name'][$i];
$data['uploadMaxFilesize'] = $maxUploadFileSize;
$data['maxHumanFilesize'] = $maxHumanFileSize;
$data['permissions'] = $meta['permissions'] & $allowedPermissions;
$data['directory'] = $returnedDir;
$result[] = $data;
}
}
}
} else {
$error = $l->t('Invalid directory.');
}
if ($error === false) {
OCP\JSON::encodedPrint($result);
} else {
OCP\JSON::error(array(array('data' => array_merge(array('message' => $error, 'code' => $errorCode), $storageStats))));
}
|
