|
1
|
|
|
<?php |
|
2
|
|
|
/** |
|
3
|
|
|
* @copyright Copyright (c) 2016, ownCloud, Inc. |
|
4
|
|
|
* |
|
5
|
|
|
* @author Björn Schießle <[email protected]> |
|
6
|
|
|
* @author Christoph Wurst <[email protected]> |
|
7
|
|
|
* @author Joas Schilling <[email protected]> |
|
8
|
|
|
* @author Miguel Prokop <[email protected]> |
|
9
|
|
|
* @author Morris Jobke <[email protected]> |
|
10
|
|
|
* @author Robin Appelman <[email protected]> |
|
11
|
|
|
* @author Robin McCorkell <[email protected]> |
|
12
|
|
|
* @author Thomas Müller <[email protected]> |
|
13
|
|
|
* @author Vincent Petry <[email protected]> |
|
14
|
|
|
* |
|
15
|
|
|
* @license AGPL-3.0 |
|
16
|
|
|
* |
|
17
|
|
|
* This code is free software: you can redistribute it and/or modify |
|
18
|
|
|
* it under the terms of the GNU Affero General Public License, version 3, |
|
19
|
|
|
* as published by the Free Software Foundation. |
|
20
|
|
|
* |
|
21
|
|
|
* This program is distributed in the hope that it will be useful, |
|
22
|
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
|
23
|
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
|
24
|
|
|
* GNU Affero General Public License for more details. |
|
25
|
|
|
* |
|
26
|
|
|
* You should have received a copy of the GNU Affero General Public License, version 3, |
|
27
|
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/> |
|
28
|
|
|
* |
|
29
|
|
|
*/ |
|
30
|
|
|
|
|
31
|
|
|
namespace OC\Share; |
|
32
|
|
|
|
|
33
|
|
|
use OC\HintException; |
|
34
|
|
|
use OCP\DB\QueryBuilder\IQueryBuilder; |
|
35
|
|
|
|
|
36
|
|
|
class Helper extends \OC\Share\Constants { |
|
37
|
|
|
|
|
38
|
|
|
/** |
|
39
|
|
|
* Delete all reshares and group share children of an item |
|
40
|
|
|
* @param int $parent Id of item to delete |
|
41
|
|
|
* @param bool $excludeParent If true, exclude the parent from the delete (optional) |
|
42
|
|
|
* @param string $uidOwner The user that the parent was shared with (optional) |
|
43
|
|
|
* @param int $newParent new parent for the childrens |
|
44
|
|
|
* @param bool $excludeGroupChildren exclude group children elements |
|
45
|
|
|
*/ |
|
46
|
|
|
public static function delete($parent, $excludeParent = false, $uidOwner = null, $newParent = null, $excludeGroupChildren = false) { |
|
47
|
|
|
$ids = [$parent]; |
|
48
|
|
|
$deletedItems = []; |
|
49
|
|
|
$changeParent = []; |
|
50
|
|
|
$parents = [$parent]; |
|
51
|
|
|
while (!empty($parents)) { |
|
52
|
|
|
$query = \OC::$server->getDatabaseConnection()->getQueryBuilder(); |
|
53
|
|
|
$query->select( |
|
54
|
|
|
'id', 'share_with', 'item_type', 'share_type', |
|
55
|
|
|
'item_target', 'file_target', 'parent' |
|
56
|
|
|
) |
|
57
|
|
|
->from('share') |
|
58
|
|
|
->where($query->expr()->in('parent', $query->createNamedParameter( |
|
59
|
|
|
$parents, IQueryBuilder::PARAM_INT_ARRAY |
|
60
|
|
|
))); |
|
61
|
|
|
|
|
62
|
|
|
if (count($ids) === 1 && isset($uidOwner)) { |
|
63
|
|
|
// Check the owner on the first search of reshares, useful for |
|
64
|
|
|
// finding and deleting the reshares by a single user of a group share |
|
65
|
|
|
$query->andWhere($query->expr()->eq('uid_owner', $uidOwner)); |
|
66
|
|
|
} |
|
67
|
|
|
|
|
68
|
|
|
if ($excludeGroupChildren) { |
|
69
|
|
|
$query->andWhere($query->expr()->eq('share_type', self::$shareTypeGroupUserUnique)); |
|
70
|
|
|
} |
|
71
|
|
|
|
|
72
|
|
|
$result = $query->execute(); |
|
73
|
|
|
// Reset parents array, only go through loop again if items are found |
|
74
|
|
|
$parents = []; |
|
75
|
|
|
while ($item = $result->fetch()) { |
|
76
|
|
|
$tmpItem = [ |
|
77
|
|
|
'id' => $item['id'], |
|
78
|
|
|
'shareWith' => $item['share_with'], |
|
79
|
|
|
'itemTarget' => $item['item_target'], |
|
80
|
|
|
'itemType' => $item['item_type'], |
|
81
|
|
|
'shareType' => (int)$item['share_type'], |
|
82
|
|
|
]; |
|
83
|
|
|
if (isset($item['file_target'])) { |
|
84
|
|
|
$tmpItem['fileTarget'] = $item['file_target']; |
|
85
|
|
|
} |
|
86
|
|
|
// if we have a new parent for the child we remember the child |
|
87
|
|
|
// to update the parent, if not we add it to the list of items |
|
88
|
|
|
// which should be deleted |
|
89
|
|
|
if ($newParent !== null) { |
|
90
|
|
|
$changeParent[] = $item['id']; |
|
91
|
|
|
} else { |
|
92
|
|
|
$deletedItems[] = $tmpItem; |
|
93
|
|
|
$ids[] = $item['id']; |
|
94
|
|
|
$parents[] = $item['id']; |
|
95
|
|
|
} |
|
96
|
|
|
} |
|
97
|
|
|
$result->closeCursor(); |
|
98
|
|
|
} |
|
99
|
|
|
if ($excludeParent) { |
|
100
|
|
|
unset($ids[0]); |
|
101
|
|
|
} |
|
102
|
|
|
|
|
103
|
|
|
if (!empty($changeParent)) { |
|
104
|
|
|
$query = \OC::$server->getDatabaseConnection()->getQueryBuilder(); |
|
105
|
|
|
$query->update('share') |
|
106
|
|
|
->set('parent', $query->createNamedParameter($newParent, IQueryBuilder::PARAM_INT)) |
|
107
|
|
|
->where($query->expr()->in('id', $query->createNamedParameter($changeParent, IQueryBuilder::PARAM_INT_ARRAY))); |
|
108
|
|
|
$query->execute(); |
|
109
|
|
|
} |
|
110
|
|
|
|
|
111
|
|
|
if (!empty($ids)) { |
|
112
|
|
|
$query = \OC::$server->getDatabaseConnection()->getQueryBuilder(); |
|
113
|
|
|
$query->delete('share') |
|
114
|
|
|
->where($query->expr()->in('id', $query->createNamedParameter($ids, IQueryBuilder::PARAM_INT_ARRAY))); |
|
115
|
|
|
$query->execute(); |
|
116
|
|
|
} |
|
117
|
|
|
|
|
118
|
|
|
return $deletedItems; |
|
119
|
|
|
} |
|
120
|
|
|
|
|
121
|
|
|
/** |
|
122
|
|
|
* get default expire settings defined by the admin |
|
123
|
|
|
* @return array contains 'defaultExpireDateSet', 'enforceExpireDate', 'expireAfterDays' |
|
124
|
|
|
*/ |
|
125
|
|
|
public static function getDefaultExpireSetting() { |
|
126
|
|
|
$config = \OC::$server->getConfig(); |
|
127
|
|
|
|
|
128
|
|
|
$defaultExpireSettings = ['defaultExpireDateSet' => false]; |
|
129
|
|
|
|
|
130
|
|
|
// get default expire settings |
|
131
|
|
|
$defaultExpireDate = $config->getAppValue('core', 'shareapi_default_expire_date', 'no'); |
|
132
|
|
|
if ($defaultExpireDate === 'yes') { |
|
133
|
|
|
$enforceExpireDate = $config->getAppValue('core', 'shareapi_enforce_expire_date', 'no'); |
|
134
|
|
|
$defaultExpireSettings['defaultExpireDateSet'] = true; |
|
135
|
|
|
$defaultExpireSettings['expireAfterDays'] = (int)$config->getAppValue('core', 'shareapi_expire_after_n_days', '7'); |
|
136
|
|
|
$defaultExpireSettings['enforceExpireDate'] = $enforceExpireDate === 'yes'; |
|
137
|
|
|
} |
|
138
|
|
|
|
|
139
|
|
|
return $defaultExpireSettings; |
|
140
|
|
|
} |
|
141
|
|
|
|
|
142
|
|
|
public static function calcExpireDate() { |
|
143
|
|
|
$expireAfter = \OC\Share\Share::getExpireInterval() * 24 * 60 * 60; |
|
144
|
|
|
$expireAt = time() + $expireAfter; |
|
145
|
|
|
$date = new \DateTime(); |
|
146
|
|
|
$date->setTimestamp($expireAt); |
|
147
|
|
|
$date->setTime(0, 0, 0); |
|
148
|
|
|
//$dateString = $date->format('Y-m-d') . ' 00:00:00'; |
|
149
|
|
|
|
|
150
|
|
|
return $date; |
|
151
|
|
|
} |
|
152
|
|
|
|
|
153
|
|
|
/** |
|
154
|
|
|
* calculate expire date |
|
155
|
|
|
* @param array $defaultExpireSettings contains 'defaultExpireDateSet', 'enforceExpireDate', 'expireAfterDays' |
|
156
|
|
|
* @param int $creationTime timestamp when the share was created |
|
157
|
|
|
* @param int $userExpireDate expire timestamp set by the user |
|
158
|
|
|
* @return mixed integer timestamp or False |
|
159
|
|
|
*/ |
|
160
|
|
|
public static function calculateExpireDate($defaultExpireSettings, $creationTime, $userExpireDate = null) { |
|
161
|
|
|
$expires = false; |
|
162
|
|
|
$defaultExpires = null; |
|
163
|
|
|
|
|
164
|
|
|
if (!empty($defaultExpireSettings['defaultExpireDateSet'])) { |
|
165
|
|
|
$defaultExpires = $creationTime + $defaultExpireSettings['expireAfterDays'] * 86400; |
|
166
|
|
|
} |
|
167
|
|
|
|
|
168
|
|
|
|
|
169
|
|
|
if (isset($userExpireDate)) { |
|
170
|
|
|
// if the admin decided to enforce the default expire date then we only take |
|
171
|
|
|
// the user defined expire date of it is before the default expire date |
|
172
|
|
|
if ($defaultExpires && !empty($defaultExpireSettings['enforceExpireDate'])) { |
|
|
|
|
|
|
173
|
|
|
$expires = min($userExpireDate, $defaultExpires); |
|
174
|
|
|
} else { |
|
175
|
|
|
$expires = $userExpireDate; |
|
176
|
|
|
} |
|
177
|
|
|
} elseif ($defaultExpires && !empty($defaultExpireSettings['enforceExpireDate'])) { |
|
|
|
|
|
|
178
|
|
|
$expires = $defaultExpires; |
|
179
|
|
|
} |
|
180
|
|
|
|
|
181
|
|
|
return $expires; |
|
182
|
|
|
} |
|
183
|
|
|
|
|
184
|
|
|
/** |
|
185
|
|
|
* Strips away a potential file names and trailing slashes: |
|
186
|
|
|
* - http://localhost |
|
187
|
|
|
* - http://localhost/ |
|
188
|
|
|
* - http://localhost/index.php |
|
189
|
|
|
* - http://localhost/index.php/s/{shareToken} |
|
190
|
|
|
* |
|
191
|
|
|
* all return: http://localhost |
|
192
|
|
|
* |
|
193
|
|
|
* @param string $remote |
|
194
|
|
|
* @return string |
|
195
|
|
|
*/ |
|
196
|
|
|
protected static function fixRemoteURL($remote) { |
|
197
|
|
|
$remote = str_replace('\\', '/', $remote); |
|
198
|
|
|
if ($fileNamePosition = strpos($remote, '/index.php')) { |
|
199
|
|
|
$remote = substr($remote, 0, $fileNamePosition); |
|
200
|
|
|
} |
|
201
|
|
|
$remote = rtrim($remote, '/'); |
|
202
|
|
|
|
|
203
|
|
|
return $remote; |
|
204
|
|
|
} |
|
205
|
|
|
|
|
206
|
|
|
/** |
|
207
|
|
|
* split user and remote from federated cloud id |
|
208
|
|
|
* |
|
209
|
|
|
* @param string $id |
|
210
|
|
|
* @return string[] |
|
211
|
|
|
* @throws HintException |
|
212
|
|
|
*/ |
|
213
|
|
|
public static function splitUserRemote($id) { |
|
214
|
|
|
try { |
|
215
|
|
|
$cloudId = \OC::$server->getCloudIdManager()->resolveCloudId($id); |
|
216
|
|
|
return [$cloudId->getUser(), $cloudId->getRemote()]; |
|
217
|
|
|
} catch (\InvalidArgumentException $e) { |
|
218
|
|
|
$l = \OC::$server->getL10N('core'); |
|
219
|
|
|
$hint = $l->t('Invalid Federated Cloud ID'); |
|
220
|
|
|
throw new HintException('Invalid Federated Cloud ID', $hint, 0, $e); |
|
221
|
|
|
} |
|
222
|
|
|
} |
|
223
|
|
|
|
|
224
|
|
|
/** |
|
225
|
|
|
* check if two federated cloud IDs refer to the same user |
|
226
|
|
|
* |
|
227
|
|
|
* @param string $user1 |
|
228
|
|
|
* @param string $server1 |
|
229
|
|
|
* @param string $user2 |
|
230
|
|
|
* @param string $server2 |
|
231
|
|
|
* @return bool true if both users and servers are the same |
|
232
|
|
|
*/ |
|
233
|
|
|
public static function isSameUserOnSameServer($user1, $server1, $user2, $server2) { |
|
234
|
|
|
$normalizedServer1 = strtolower(\OC\Share\Share::removeProtocolFromUrl($server1)); |
|
235
|
|
|
$normalizedServer2 = strtolower(\OC\Share\Share::removeProtocolFromUrl($server2)); |
|
236
|
|
|
|
|
237
|
|
|
if (rtrim($normalizedServer1, '/') === rtrim($normalizedServer2, '/')) { |
|
238
|
|
|
// FIXME this should be a method in the user management instead |
|
239
|
|
|
\OCP\Util::emitHook( |
|
240
|
|
|
'\OCA\Files_Sharing\API\Server2Server', |
|
241
|
|
|
'preLoginNameUsedAsUserName', |
|
242
|
|
|
['uid' => &$user1] |
|
243
|
|
|
); |
|
244
|
|
|
\OCP\Util::emitHook( |
|
245
|
|
|
'\OCA\Files_Sharing\API\Server2Server', |
|
246
|
|
|
'preLoginNameUsedAsUserName', |
|
247
|
|
|
['uid' => &$user2] |
|
248
|
|
|
); |
|
249
|
|
|
|
|
250
|
|
|
if ($user1 === $user2) { |
|
251
|
|
|
return true; |
|
252
|
|
|
} |
|
253
|
|
|
} |
|
254
|
|
|
|
|
255
|
|
|
return false; |
|
256
|
|
|
} |
|
257
|
|
|
} |
|
258
|
|
|
|
In PHP, under loose comparison (like
==, or!=, orswitchconditions), values of different types might be equal.For
integervalues, zero is a special case, in particular the following results might be unexpected: