1
|
|
|
<?php |
2
|
|
|
/** |
3
|
|
|
* @author Björn Schießle <[email protected]> |
4
|
|
|
* @author Joas Schilling <[email protected]> |
5
|
|
|
* @author Michael Gapczynski <[email protected]> |
6
|
|
|
* @author Morris Jobke <[email protected]> |
7
|
|
|
* @author Robin Appelman <[email protected]> |
8
|
|
|
* @author Roeland Jago Douma <[email protected]> |
9
|
|
|
* @author Vincent Petry <[email protected]> |
10
|
|
|
* |
11
|
|
|
* @copyright Copyright (c) 2015, ownCloud, Inc. |
12
|
|
|
* @license AGPL-3.0 |
13
|
|
|
* |
14
|
|
|
* This code is free software: you can redistribute it and/or modify |
15
|
|
|
* it under the terms of the GNU Affero General Public License, version 3, |
16
|
|
|
* as published by the Free Software Foundation. |
17
|
|
|
* |
18
|
|
|
* This program is distributed in the hope that it will be useful, |
19
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
20
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
21
|
|
|
* GNU Affero General Public License for more details. |
22
|
|
|
* |
23
|
|
|
* You should have received a copy of the GNU Affero General Public License, version 3, |
24
|
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/> |
25
|
|
|
* |
26
|
|
|
*/ |
27
|
|
|
|
28
|
|
|
namespace OC\Files\Cache; |
29
|
|
|
|
30
|
|
|
class Shared_Updater { |
31
|
|
|
|
32
|
|
|
/** |
33
|
|
|
* Walk up the users file tree and update the etags. |
34
|
|
|
* |
35
|
|
|
* @param string $user user id |
36
|
|
|
* @param string $path share mount point path, relative to the user's "files" folder |
37
|
|
|
*/ |
38
|
30 |
|
static private function correctUsersFolder($user, $path) { |
39
|
|
|
// $path points to the mount point which is a virtual folder, so we start with |
40
|
|
|
// the parent |
41
|
30 |
|
$path = '/' . ltrim($path, '/'); |
42
|
30 |
|
$path = '/files' . dirname($path); |
43
|
30 |
|
\OC\Files\Filesystem::initMountPoints($user); |
44
|
30 |
|
$view = new \OC\Files\View('/' . $user); |
45
|
30 |
|
if ($view->file_exists($path)) { |
46
|
27 |
|
while ($path !== dirname($path)) { |
47
|
27 |
|
$etag = $view->getETag($path); |
48
|
27 |
|
$view->putFileInfo($path, array('etag' => $etag)); |
49
|
27 |
|
$path = dirname($path); |
50
|
27 |
|
} |
51
|
27 |
|
} else { |
52
|
3 |
|
\OCP\Util::writeLog('files_sharing', 'can not update etags on ' . $path . ' for user ' . $user . '. Path does not exists', \OCP\Util::DEBUG); |
53
|
|
|
} |
54
|
30 |
|
} |
55
|
|
|
|
56
|
|
|
/** |
57
|
|
|
* @param array $params |
58
|
|
|
*/ |
59
|
3 |
|
static public function renameHook($params) { |
60
|
3 |
|
self::renameChildren($params['oldpath'], $params['newpath']); |
61
|
3 |
|
self::moveShareToShare($params['newpath']); |
62
|
3 |
|
} |
63
|
|
|
|
64
|
|
|
/** |
65
|
|
|
* Fix for https://github.com/owncloud/core/issues/20769 |
66
|
|
|
* |
67
|
|
|
* The owner is allowed to move their files (if they are shared) into a receiving folder |
68
|
|
|
* In this case we need to update the parent of the moved share. Since they are |
69
|
|
|
* effectively handing over ownership of the file the rest of the code needs to know |
70
|
|
|
* they need to build up the reshare tree. |
71
|
|
|
* |
72
|
|
|
* @param string $path |
73
|
|
|
*/ |
74
|
3 |
|
static private function moveShareToShare($path) { |
75
|
3 |
|
$userFolder = \OC::$server->getUserFolder(); |
76
|
3 |
|
|
77
|
|
|
// If the user folder can't be constructed (e.g. link share) just return. |
78
|
3 |
|
if ($userFolder === null) { |
79
|
3 |
|
return; |
80
|
|
|
} |
81
|
|
|
|
82
|
3 |
|
$src = $userFolder->get($path); |
83
|
3 |
|
|
84
|
|
|
$type = $src instanceof \OCP\Files\File ? 'file' : 'folder'; |
85
|
|
|
$shares = \OCP\Share::getItemShared($type, $src->getId()); |
86
|
|
|
|
87
|
|
|
// If the path we move is not a share we don't care |
88
|
|
|
if (empty($shares)) { |
89
|
|
|
return; |
90
|
|
|
} |
91
|
|
|
|
92
|
|
|
// Check if the destination is inside a share |
93
|
|
|
$mountManager = \OC::$server->getMountManager(); |
94
|
|
|
$dstMount = $mountManager->find($src->getPath()); |
95
|
|
|
if (!($dstMount instanceof \OCA\Files_Sharing\SharedMount)) { |
96
|
|
|
return; |
97
|
|
|
} |
98
|
|
|
|
99
|
|
|
$parenShare = $dstMount->getShare(); |
100
|
|
|
|
101
|
|
|
foreach ($shares as $share) { |
102
|
|
|
$qb = \OC::$server->getDatabaseConnection()->getQueryBuilder(); |
103
|
|
|
$qb->update('share') |
104
|
|
|
->set('parent', $qb->createNamedParameter($parenShare['id'])) |
105
|
|
|
->where($qb->expr()->eq('id', $qb->createNamedParameter($share['id']))) |
106
|
|
|
->execute(); |
107
|
9 |
|
} |
108
|
9 |
|
} |
109
|
9 |
|
|
110
|
|
|
/** |
111
|
|
|
* @param array $params |
112
|
|
|
*/ |
113
|
|
|
static public function deleteHook($params) { |
114
|
|
|
$path = $params['path']; |
|
|
|
|
115
|
30 |
|
} |
116
|
|
|
|
117
|
30 |
|
/** |
118
|
|
|
* update etags if a file was shared |
119
|
30 |
|
* @param array $params |
120
|
30 |
|
*/ |
121
|
|
|
static public function postShareHook($params) { |
122
|
30 |
|
|
123
|
28 |
|
if ($params['itemType'] === 'folder' || $params['itemType'] === 'file') { |
124
|
30 |
|
|
125
|
2 |
|
$shareWith = $params['shareWith']; |
126
|
2 |
|
$shareType = $params['shareType']; |
127
|
2 |
|
|
128
|
2 |
|
if ($shareType === \OCP\Share::SHARE_TYPE_USER) { |
129
|
30 |
|
self::correctUsersFolder($shareWith, $params['fileTarget']); |
130
|
30 |
|
} elseif ($shareType === \OCP\Share::SHARE_TYPE_GROUP) { |
131
|
|
|
foreach (\OC_Group::usersInGroup($shareWith) as $user) { |
132
|
|
|
self::correctUsersFolder($user, $params['fileTarget']); |
133
|
|
|
} |
134
|
|
|
} |
135
|
|
|
} |
136
|
|
|
} |
137
|
4 |
|
|
138
|
|
|
/** |
139
|
|
|
* update etags if a file was unshared |
140
|
4 |
|
* |
141
|
4 |
|
* @param array $params |
142
|
4 |
|
*/ |
143
|
|
|
static public function postUnshareHook($params) { |
144
|
4 |
|
|
145
|
|
|
// only update etags for file/folders shared to local users/groups |
146
|
4 |
|
if (($params['itemType'] === 'file' || $params['itemType'] === 'folder') && |
147
|
4 |
|
$params['shareType'] !== \OCP\Share::SHARE_TYPE_LINK && |
148
|
|
|
$params['shareType'] !== \OCP\Share::SHARE_TYPE_REMOTE) { |
149
|
|
|
|
150
|
|
|
$deletedShares = isset($params['deletedShares']) ? $params['deletedShares'] : array(); |
151
|
|
|
|
152
|
4 |
View Code Duplication |
foreach ($deletedShares as $share) { |
|
|
|
|
153
|
|
|
if ($share['shareType'] === \OCP\Share::SHARE_TYPE_GROUP) { |
154
|
4 |
|
foreach (\OC_Group::usersInGroup($share['shareWith']) as $user) { |
155
|
4 |
|
self::correctUsersFolder($user, $share['fileTarget']); |
156
|
4 |
|
} |
157
|
|
|
} else { |
158
|
|
|
self::correctUsersFolder($share['shareWith'], $share['fileTarget']); |
159
|
|
|
} |
160
|
|
|
} |
161
|
|
|
} |
162
|
2 |
|
} |
163
|
2 |
|
|
164
|
2 |
|
/** |
165
|
2 |
|
* update etags if file was unshared from self |
166
|
|
|
* @param array $params |
167
|
|
|
*/ |
168
|
|
|
static public function postUnshareFromSelfHook($params) { |
169
|
|
|
if ($params['itemType'] === 'file' || $params['itemType'] === 'folder') { |
170
|
2 |
View Code Duplication |
foreach ($params['unsharedItems'] as $item) { |
|
|
|
|
171
|
|
|
if ($item['shareType'] === \OCP\Share::SHARE_TYPE_GROUP) { |
172
|
2 |
|
foreach (\OC_Group::usersInGroup($item['shareWith']) as $user) { |
173
|
2 |
|
self::correctUsersFolder($user, $item['fileTarget']); |
174
|
2 |
|
} |
175
|
|
|
} else { |
176
|
|
|
self::correctUsersFolder($item['shareWith'], $item['fileTarget']); |
177
|
|
|
} |
178
|
|
|
} |
179
|
|
|
} |
180
|
|
|
} |
181
|
|
|
|
182
|
|
|
/** |
183
|
|
|
* clean up oc_share table from files which are no longer exists |
184
|
|
|
* |
185
|
|
|
* This fixes issues from updates from files_sharing < 0.3.5.6 (ownCloud 4.5) |
186
|
|
|
* It will just be called during the update of the app |
187
|
|
|
*/ |
188
|
|
|
static public function fixBrokenSharesOnAppUpdate() { |
189
|
|
|
// delete all shares where the original file no longer exists |
190
|
|
|
$findAndRemoveShares = \OCP\DB::prepare('DELETE FROM `*PREFIX*share` ' . |
191
|
|
|
'WHERE `item_type` IN (\'file\', \'folder\') ' . |
192
|
|
|
'AND `file_source` NOT IN (SELECT `fileid` FROM `*PREFIX*filecache`)' |
193
|
|
|
); |
194
|
|
|
$findAndRemoveShares->execute(array()); |
195
|
|
|
} |
196
|
|
|
|
197
|
3 |
|
/** |
198
|
|
|
* rename mount point from the children if the parent was renamed |
199
|
3 |
|
* |
200
|
3 |
|
* @param string $oldPath old path relative to data/user/files |
201
|
|
|
* @param string $newPath new path relative to data/user/files |
202
|
3 |
|
*/ |
203
|
3 |
|
static private function renameChildren($oldPath, $newPath) { |
204
|
3 |
|
|
205
|
1 |
|
$absNewPath = \OC\Files\Filesystem::normalizePath('/' . \OCP\User::getUser() . '/files/' . $newPath); |
206
|
1 |
|
$absOldPath = \OC\Files\Filesystem::normalizePath('/' . \OCP\User::getUser() . '/files/' . $oldPath); |
207
|
1 |
|
|
208
|
1 |
|
$mountManager = \OC\Files\Filesystem::getMountManager(); |
209
|
1 |
|
$mountedShares = $mountManager->findIn('/' . \OCP\User::getUser() . '/files/' . $oldPath); |
210
|
3 |
|
foreach ($mountedShares as $mount) { |
211
|
3 |
|
if ($mount->getStorage()->instanceOfStorage('OCA\Files_Sharing\ISharedStorage')) { |
212
|
|
|
$mountPoint = $mount->getMountPoint(); |
213
|
|
|
$target = str_replace($absOldPath, $absNewPath, $mountPoint); |
214
|
|
|
$mount->moveMount($target); |
|
|
|
|
215
|
|
|
} |
216
|
|
|
} |
217
|
|
|
} |
218
|
|
|
|
219
|
|
|
} |
220
|
|
|
|
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVar
assignment in line 1 and the$higher
assignment in line 2 are dead. The first because$myVar
is never used and the second because$higher
is always overwritten for every possible time line.