src/Worker/Cron.php

   1 <?php
   2 /**
   3  * @copyright Copyright (C) 2010-2022, the Friendica project
   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\Core\Hook;
  25 use Friendica\Core\Logger;
  26 use Friendica\Core\Worker;
  27 use Friendica\Database\DBA;
  28 use Friendica\DI;
  29 use Friendica\Model\Tag;
  30 use Friendica\Model\User;
  31 use Friendica\Protocol\ActivityPub\Queue;
  32 use Friendica\Protocol\Relay;
  33
  34 class Cron
  35 {
  36         public static function execute()
  37         {
  38                 $a = DI::app();
  39
  40                 $last = DI::config()->get('system', 'last_cron');
  41
  42                 $poll_interval = intval(DI::config()->get('system', 'cron_interval'));
  43
  44                 if ($last) {
  45                         $next = $last + ($poll_interval * 60);
  46                         if ($next > time()) {
  47                                 Logger::notice('cron intervall not reached');
  48                                 return;
  49                         }
  50                 }
  51
  52                 Logger::notice('start');
  53
  54                 // Ensure to have a .htaccess file.
  55                 // this is a precaution for systems that update automatically
  56                 $basepath = $a->getBasePath();
  57                 if (!file_exists($basepath . '/.htaccess') && is_writable($basepath)) {
  58                         copy($basepath . '/.htaccess-dist', $basepath . '/.htaccess');
  59                 }
  60
  61                 if (DI::config()->get('system', 'delete_sleeping_processes')) {
  62                         self::deleteSleepingProcesses();
  63                 }
  64
  65                 // Fork the cron jobs in separate parts to avoid problems when one of them is crashing
  66                 Hook::fork(Worker::PRIORITY_MEDIUM, 'cron');
  67
  68                 // Poll contacts
  69                 Worker::add(Worker::PRIORITY_MEDIUM, 'PollContacts');
  70
  71                 // Update contact information
  72                 Worker::add(Worker::PRIORITY_LOW, 'UpdateContacts');
  73
  74                 // Update server information
  75                 Worker::add(Worker::PRIORITY_LOW, 'UpdateGServers');
  76
  77                 // run the process to update server directories in the background
  78                 Worker::add(Worker::PRIORITY_LOW, 'UpdateServerDirectories');
  79
  80                 // Expire and remove user entries
  81                 Worker::add(Worker::PRIORITY_MEDIUM, 'ExpireAndRemoveUsers');
  82
  83                 // Call possible post update functions
  84                 Worker::add(Worker::PRIORITY_LOW, 'PostUpdate');
  85
  86                 // Hourly cron calls
  87                 if (DI::config()->get('system', 'last_cron_hourly', 0) + 3600 < time()) {
  88
  89
  90                         // Update trending tags cache for the community page
  91                         Tag::setLocalTrendingHashtags(24, 20);
  92                         Tag::setGlobalTrendingHashtags(24, 20);
  93
  94                         // Remove old pending posts from the queue
  95                         Queue::clear();
  96
  97                         // Process all unprocessed entries
  98                         Queue::processAll();
  99
 100                         // Search for new contacts in the directory
 101                         if (DI::config()->get('system', 'synchronize_directory')) {
 102                                 Worker::add(Worker::PRIORITY_LOW, 'PullDirectory');
 103                         }
 104
 105                         // Clear cache entries
 106                         Worker::add(Worker::PRIORITY_LOW, 'ClearCache');
 107
 108                         DI::config()->set('system', 'last_cron_hourly', time());
 109                 }
 110
 111                 // Daily maintenance cron calls
 112                 if (Worker::isInMaintenanceWindow(true)) {
 113
 114                         Worker::add(Worker::PRIORITY_LOW, 'UpdateContactBirthdays');
 115
 116                         Worker::add(Worker::PRIORITY_LOW, 'UpdatePhotoAlbums');
 117
 118                         Worker::add(Worker::PRIORITY_LOW, 'ExpirePosts');
 119
 120                         Worker::add(Worker::PRIORITY_LOW, 'ExpireActivities');
 121
 122                         Worker::add(Worker::PRIORITY_LOW, 'RemoveUnusedTags');
 123
 124                         Worker::add(Worker::PRIORITY_LOW, 'RemoveUnusedContacts');
 125
 126                         Worker::add(Worker::PRIORITY_LOW, 'RemoveUnusedAvatars');
 127
 128                         // check upstream version?
 129                         Worker::add(Worker::PRIORITY_LOW, 'CheckVersion');
 130
 131                         Worker::add(Worker::PRIORITY_LOW, 'CheckDeletedContacts');
 132
 133                         if (DI::config()->get('system', 'optimize_tables')) {
 134                                 Worker::add(Worker::PRIORITY_LOW, 'OptimizeTables');
 135                         }
 136
 137                         foreach (User::getList($start=1, $limit=PHP_INT_MAX, $type='active') as $user) {
 138                                 Worker::add(Worker::PRIORITY_LOW, 'CheckRelMeProfileLink', $user['uid']);
 139                         }
 140
 141                         // Resubscribe to relay servers
 142                         Relay::reSubscribe();
 143
 144                         DI::config()->set('system', 'last_cron_daily', time());
 145                 }
 146
 147                 Logger::notice('end');
 148
 149                 DI::config()->set('system', 'last_cron', time());
 150         }
 151
 152         /**
 153          * Kill sleeping database processes
 154          *
 155          * @return void
 156          */
 157         private static function deleteSleepingProcesses()
 158         {
 159                 Logger::info('Looking for sleeping processes');
 160
 161                 $processes = DBA::p("SHOW FULL PROCESSLIST");
 162                 while ($process = DBA::fetch($processes)) {
 163                         if (($process['Command'] != 'Sleep') || ($process['Time'] < 300) || ($process['db'] != DBA::databaseName())) {
 164                                 continue;
 165                         }
 166
 167                         DBA::e("KILL ?", $process['Id']);
 168                         Logger::notice('Killed sleeping process', ['id' => $process['Id']]);
 169                 }
 170                 DBA::close($processes);
 171         }
 172 }