src/Worker/Cron.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\Core\Addon;
  25 use Friendica\Core\Hook;
  26 use Friendica\Core\Logger;
  27 use Friendica\Core\Protocol;
  28 use Friendica\Core\Worker;
  29 use Friendica\Database\DBA;
  30 use Friendica\DI;
  31 use Friendica\Model\Contact;
  32 use Friendica\Util\DateTimeFormat;
  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 ($next > time()) {
  47                                 Logger::log('cron intervall not reached');
  48                                 return;
  49                         }
  50                 }
  51
  52                 Logger::log('cron: start');
  53
  54                 // Fork the cron jobs in separate parts to avoid problems when one of them is crashing
  55                 Hook::fork($a->queue['priority'], "cron");
  56
  57                 // run the process to update server directories in the background
  58                 Worker::add(PRIORITY_LOW, 'UpdateServerDirectories');
  59
  60                 // Expire and remove user entries
  61                 Worker::add(PRIORITY_MEDIUM, "CronJobs", "expire_and_remove_users");
  62
  63                 // Call possible post update functions
  64                 Worker::add(PRIORITY_LOW, "CronJobs", "post_update");
  65
  66                 // Clear cache entries
  67                 Worker::add(PRIORITY_LOW, "CronJobs", "clear_cache");
  68
  69                 // Repair entries in the database
  70                 Worker::add(PRIORITY_LOW, "CronJobs", "repair_database");
  71
  72                 // once daily run birthday_updates and then expire in background
  73                 $d1 = DI::config()->get('system', 'last_expire_day');
  74                 $d2 = intval(DateTimeFormat::utcNow('d'));
  75
  76                 // Daily cron calls
  77                 if ($d2 != intval($d1)) {
  78
  79                         Worker::add(PRIORITY_LOW, "CronJobs", "update_contact_birthdays");
  80
  81                         Worker::add(PRIORITY_LOW, "CronJobs", "update_photo_albums");
  82
  83                         // update nodeinfo data
  84                         Worker::add(PRIORITY_LOW, "CronJobs", "nodeinfo");
  85
  86                         Worker::add(PRIORITY_LOW, 'UpdateGServers');
  87
  88                         Worker::add(PRIORITY_LOW, 'Expire');
  89
  90                         Worker::add(PRIORITY_MEDIUM, 'DBClean');
  91
  92                         // check upstream version?
  93                         Worker::add(PRIORITY_LOW, 'CheckVersion');
  94
  95                         self::checkdeletedContacts();
  96
  97                         DI::config()->set('system', 'last_expire_day', $d2);
  98                 }
  99
 100                 // Hourly cron calls
 101                 if (DI::config()->get('system', 'last_cron_hourly', 0) + 3600 < time()) {
 102
 103                         // Search for new contacts in the directory
 104                         if (DI::config()->get('system', 'synchronize_directory')) {
 105                                 Worker::add(PRIORITY_LOW, 'PullDirectory');
 106                         }
 107
 108                         // Delete all done workerqueue entries
 109                         DBA::delete('workerqueue', ['`done` AND `executed` < UTC_TIMESTAMP() - INTERVAL 1 HOUR']);
 110
 111                         // Optimizing this table only last seconds
 112                         if (DI::config()->get('system', 'optimize_tables')) {
 113                                 DBA::e("OPTIMIZE TABLE `workerqueue`");
 114                         }
 115
 116                         DI::config()->set('system', 'last_cron_hourly', time());
 117                 }
 118
 119                 // Ensure to have a .htaccess file.
 120                 // this is a precaution for systems that update automatically
 121                 $basepath = $a->getBasePath();
 122                 if (!file_exists($basepath . '/.htaccess') && is_writable($basepath)) {
 123                         copy($basepath . '/.htaccess-dist', $basepath . '/.htaccess');
 124                 }
 125
 126                 // Poll contacts
 127                 self::pollContacts();
 128
 129                 // Update contact information
 130                 self::updatePublicContacts();
 131
 132                 Logger::log('cron: end');
 133
 134                 DI::config()->set('system', 'last_cron', time());
 135
 136                 return;
 137         }
 138
 139         /**
 140          * Checks for contacts that are about to be deleted and ensures that they are removed.
 141          * This should be done automatically in the "remove" function. This here is a cleanup job.
 142          */
 143         private static function checkdeletedContacts()
 144         {
 145                 $contacts = DBA::select('contact', ['id'], ['deleted' => true]);
 146                 while ($contact = DBA::fetch($contacts)) {
 147                         Worker::add(PRIORITY_MEDIUM, 'RemoveContact', $contact['id']);
 148                 }
 149                 DBA::close($contacts);
 150         }
 151
 152         /**
 153          * Update public contacts
 154          *
 155          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 156          */
 157         private static function updatePublicContacts() {
 158                 $count = 0;
 159                 $last_updated = DateTimeFormat::utc('now - 1 week');
 160                 $condition = ["`network` IN (?, ?, ?, ?) AND `uid` = ? AND NOT `self` AND `last-update` < ?",
 161                         Protocol::ACTIVITYPUB, Protocol::DFRN, Protocol::DIASPORA, Protocol::OSTATUS, 0, $last_updated];
 162
 163                 $oldest_date = '';
 164                 $oldest_id = '';
 165                 $contacts = DBA::select('contact', ['id', 'last-update'], $condition, ['limit' => 100, 'order' => ['last-update']]);
 166                 while ($contact = DBA::fetch($contacts)) {
 167                         if (empty($oldest_id)) {
 168                                 $oldest_id = $contact['id'];
 169                                 $oldest_date = $contact['last-update'];
 170                         }
 171                         Worker::add(PRIORITY_LOW, "UpdateContact", $contact['id']);
 172                         ++$count;
 173                 }
 174                 Logger::info('Initiated update for public contacts', ['interval' => $count, 'id' => $oldest_id, 'oldest' => $oldest_date]);
 175                 DBA::close($contacts);
 176         }
 177
 178         /**
 179          * Poll contacts for unreceived messages
 180          *
 181          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 182          */
 183         private static function pollContacts() {
 184                 $min_poll_interval = DI::config()->get('system', 'min_poll_interval', 1);
 185
 186                 Addon::reload();
 187
 188                 $sql = "SELECT `contact`.`id`, `contact`.`nick`, `contact`.`name`, `contact`.`network`, `contact`.`archive`,
 189                                         `contact`.`last-update`, `contact`.`priority`, `contact`.`rel`, `contact`.`subhub`
 190                                 FROM `user`
 191                                 STRAIGHT_JOIN `contact`
 192                                 ON `contact`.`uid` = `user`.`uid` AND `contact`.`poll` != ''
 193                                         AND `contact`.`network` IN (?, ?, ?, ?, ?)
 194                                         AND NOT `contact`.`self` AND NOT `contact`.`blocked`
 195                                         AND `contact`.`rel` != ?
 196                                 WHERE NOT `user`.`account_expired` AND NOT `user`.`account_removed`";
 197
 198                 $parameters = [Protocol::DFRN, Protocol::ACTIVITYPUB, Protocol::OSTATUS, Protocol::FEED, Protocol::MAIL, Contact::FOLLOWER];
 199
 200                 // Only poll from those with suitable relationships,
 201                 // and which have a polling address and ignore Diaspora since
 202                 // we are unable to match those posts with a Diaspora GUID and prevent duplicates.
 203                 $abandon_days = intval(DI::config()->get('system', 'account_abandon_days'));
 204                 if ($abandon_days < 1) {
 205                         $abandon_days = 0;
 206                 }
 207
 208                 if (!empty($abandon_days)) {
 209                         $sql .= " AND `user`.`login_date` > UTC_TIMESTAMP() - INTERVAL ? DAY";
 210                         $parameters[] = $abandon_days;
 211                 }
 212
 213                 $contacts = DBA::p($sql, $parameters);
 214
 215                 if (!DBA::isResult($contacts)) {
 216                         return;
 217                 }
 218
 219                 while ($contact = DBA::fetch($contacts)) {
 220                         // Friendica and OStatus are checked once a day
 221                         if (in_array($contact['network'], [Protocol::DFRN, Protocol::OSTATUS])) {
 222                                 $contact['priority'] = 3;
 223                         }
 224
 225                         // ActivityPub is checked once a week
 226                         if ($contact['network'] == Protocol::ACTIVITYPUB) {
 227                                 $contact['priority'] = 4;
 228                         }
 229
 230                         // Check archived contacts once a month
 231                         if ($contact['archive']) {
 232                                 $contact['priority'] = 5;
 233                         }
 234
 235                         if ($contact['priority'] >= 0) {
 236                                 $update = false;
 237
 238                                 $t = $contact['last-update'];
 239
 240                                 /*
 241                                  * Based on $contact['priority'], should we poll this site now? Or later?
 242                                  */
 243                                 switch ($contact['priority']) {
 244                                         case 5:
 245                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 month")) {
 246                                                         $update = true;
 247                                                 }
 248                                                 break;
 249                                         case 4:
 250                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 week")) {
 251                                                         $update = true;
 252                                                 }
 253                                                 break;
 254                                         case 3:
 255                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 day")) {
 256                                                         $update = true;
 257                                                 }
 258                                                 break;
 259                                         case 2:
 260                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 12 hour")) {
 261                                                         $update = true;
 262                                                 }
 263                                                 break;
 264                                         case 1:
 265                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + 1 hour")) {
 266                                                         $update = true;
 267                                                 }
 268                                                 break;
 269                                         case 0:
 270                                         default:
 271                                                 if (DateTimeFormat::utcNow() > DateTimeFormat::utc($t . " + " . $min_poll_interval . " minute")) {
 272                                                         $update = true;
 273                                                 }
 274                                                 break;
 275                                 }
 276                                 if (!$update) {
 277                                         continue;
 278                                 }
 279                         }
 280
 281                         if ((($contact['network'] == Protocol::FEED) && ($contact['priority'] <= 3)) || ($contact['network'] == Protocol::MAIL)) {
 282                                 $priority = PRIORITY_MEDIUM;
 283                         } elseif ($contact['archive']) {
 284                                 $priority = PRIORITY_NEGLIGIBLE;
 285                         } else {
 286                                 $priority = PRIORITY_LOW;
 287                         }
 288
 289                         Logger::log("Polling " . $contact["network"] . " " . $contact["id"] . " " . $contact['priority'] . " " . $contact["nick"] . " " . $contact["name"]);
 290
 291                         Worker::add(['priority' => $priority, 'dont_fork' => true, 'force_priority' => true], 'OnePoll', (int)$contact['id']);
 292                 }
 293                 DBA::close($contacts);
 294         }
 295 }