]> git.mxchange.org Git - friendica.git/blob - src/Worker/ExpireAndRemoveUsers.php
Merge pull request #9877 from annando/application-json
[friendica.git] / src / Worker / ExpireAndRemoveUsers.php
1 <?php
2 /**
3  * @copyright Copyright (C) 2020, Friendica
4  *
5  * @license GNU AGPL version 3 or any later version
6  *
7  * This program is free software: you can redistribute it and/or modify
8  * it under the terms of the GNU Affero General Public License as
9  * published by the Free Software Foundation, either version 3 of the
10  * License, or (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU Affero General Public License for more details.
16  *
17  * You should have received a copy of the GNU Affero General Public License
18  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
19  *
20  */
21
22 namespace Friendica\Worker;
23
24 use Friendica\Database\DBA;
25 use Friendica\Model\Photo;
26 use Friendica\Model\User;
27
28 /**
29  * Expire and remove user entries
30  */
31 class ExpireAndRemoveUsers
32 {
33         public static function execute()
34         {
35                 // expire any expired regular accounts. Don't expire forums.
36                 $condition = ["NOT `account_expired` AND `account_expires_on` > ? AND `account_expires_on` < UTC_TIMESTAMP() AND `page-flags` = ? AND `uid` != ?",
37                         DBA::NULL_DATETIME, User::PAGE_FLAGS_NORMAL, 0];
38                 DBA::update('user', ['account_expired' => true], $condition);
39
40                 // Ensure to never remove the user with uid=0
41                 DBA::update('user', ['account_expired' => false, 'account_removed' => false,
42                         'account_expires_on' => DBA::NULL_DATETIME], ['uid' => 0]);
43
44                 // Remove any freshly expired account
45                 $users = DBA::select('user', ['uid'], ['account_expired' => true, 'account_removed' => false]);
46                 while ($user = DBA::fetch($users)) {
47                         User::remove($user['uid']);
48                 }
49                 DBA::close($users);
50
51                 // delete user records for recently removed accounts
52                 $users = DBA::select('user', ['uid'], ["`account_removed` AND `account_expires_on` < UTC_TIMESTAMP() "]);
53                 while ($user = DBA::fetch($users)) {
54                         // Delete the contacts of this user
55                         $self = DBA::selectFirst('contact', ['nurl'], ['self' => true, 'uid' => $user['uid']]);
56                         if (DBA::isResult($self)) {
57                                 DBA::delete('contact', ['nurl' => $self['nurl'], 'self' => false]);
58                         }
59
60                         // We have to delete photo entries by hand because otherwise the photo data won't be deleted
61                         Photo::delete(['uid' => $user['uid']]);
62
63                         // These tables contain the permissionset which will also be deleted when a user is deleted.
64                         // It seems that sometimes the system wants to delete the records in the wrong order.
65                         // So when the permissionset is deleted and these tables are still filled then an error is thrown.
66                         // So we now delete them before all other user related entries are deleted.
67                         DBA::delete('item', ['uid' => $user['uid']]);
68                         DBA::delete('post-user', ['uid' => $user['uid']]);
69                         DBA::delete('profile_field', ['uid' => $user['uid']]);
70
71                         DBA::delete('user', ['uid' => $user['uid']]);
72                 }
73                 DBA::close($users);
74         }
75 }