src/Worker/CronJobs.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\App;
  25 use Friendica\Core\Logger;
  26 use Friendica\Core\Protocol;
  27 use Friendica\Core\Worker;
  28 use Friendica\Database\DBA;
  29 use Friendica\Database\PostUpdate;
  30 use Friendica\DI;
  31 use Friendica\Model\Contact;
  32 use Friendica\Model\GContact;
  33 use Friendica\Model\Nodeinfo;
  34 use Friendica\Model\Photo;
  35 use Friendica\Model\User;
  36 use Friendica\Network\HTTPRequest;
  37 use Friendica\Util\Proxy as ProxyUtils;
  38 use Friendica\Util\Strings;
  39
  40 class CronJobs
  41 {
  42         public static function execute($command = '')
  43         {
  44                 $a = DI::app();
  45
  46                 // No parameter set? So return
  47                 if ($command == '') {
  48                         return;
  49                 }
  50
  51                 Logger::log("Starting cronjob " . $command, Logger::DEBUG);
  52
  53                 switch($command) {
  54                         case 'post_update':
  55                                 PostUpdate::update();
  56                                 break;
  57
  58                         case 'nodeinfo':
  59                                 Logger::info('cron_start');
  60                                 Nodeinfo::update();
  61                                 // Now trying to register
  62                                 $url = 'http://the-federation.info/register/' . DI::baseUrl()->getHostname();
  63                                 Logger::debug('Check registering url', ['url' => $url]);
  64                                 $ret = HTTPRequest::fetchUrl($url);
  65                                 Logger::debug('Check registering answer', ['answer' => $ret]);
  66                                 Logger::info('cron_end');
  67                                 break;
  68
  69                         case 'expire_and_remove_users':
  70                                 self::expireAndRemoveUsers();
  71                                 break;
  72
  73                         case 'update_contact_birthdays':
  74                                 Contact::updateBirthdays();
  75                                 break;
  76
  77                         case 'update_photo_albums':
  78                                 self::updatePhotoAlbums();
  79                                 break;
  80
  81                         case 'clear_cache':
  82                                 self::clearCache($a);
  83                                 break;
  84
  85                         case 'repair_database':
  86                                 self::repairDatabase();
  87                                 break;
  88
  89                         case 'move_storage':
  90                                 self::moveStorage();
  91                                 break;
  92
  93                         default:
  94                                 Logger::log("Cronjob " . $command . " is unknown.", Logger::DEBUG);
  95                 }
  96
  97                 return;
  98         }
  99
 100         /**
 101          * Update the cached values for the number of photo albums per user
 102          */
 103         private static function updatePhotoAlbums()
 104         {
 105                 $r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
 106                 if (!DBA::isResult($r)) {
 107                         return;
 108                 }
 109
 110                 foreach ($r as $user) {
 111                         Photo::clearAlbumCache($user['uid']);
 112                 }
 113         }
 114
 115         /**
 116          * Expire and remove user entries
 117          */
 118         private static function expireAndRemoveUsers()
 119         {
 120                 // expire any expired regular accounts. Don't expire forums.
 121                 $condition = ["NOT `account_expired` AND `account_expires_on` > ? AND `account_expires_on` < UTC_TIMESTAMP() AND `page-flags` = 0", DBA::NULL_DATETIME];
 122                 DBA::update('user', ['account_expired' => true], $condition);
 123
 124                 // Remove any freshly expired account
 125                 $users = DBA::select('user', ['uid'], ['account_expired' => true, 'account_removed' => false]);
 126                 while ($user = DBA::fetch($users)) {
 127                         User::remove($user['uid']);
 128                 }
 129                 DBA::close($users);
 130
 131                 // delete user records for recently removed accounts
 132                 $users = DBA::select('user', ['uid'], ["`account_removed` AND `account_expires_on` < UTC_TIMESTAMP() "]);
 133                 while ($user = DBA::fetch($users)) {
 134                         // Delete the contacts of this user
 135                         $self = DBA::selectFirst('contact', ['nurl'], ['self' => true, 'uid' => $user['uid']]);
 136                         if (DBA::isResult($self)) {
 137                                 DBA::delete('contact', ['nurl' => $self['nurl'], 'self' => false]);
 138                         }
 139
 140                         DBA::delete('user', ['uid' => $user['uid']]);
 141                 }
 142                 DBA::close($users);
 143         }
 144
 145         /**
 146          * Clear cache entries
 147          *
 148          * @param App $a
 149          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 150          */
 151         private static function clearCache(App $a)
 152         {
 153                 $last = DI::config()->get('system', 'cache_last_cleared');
 154
 155                 if ($last) {
 156                         $next = $last + (3600); // Once per hour
 157                         $clear_cache = ($next <= time());
 158                 } else {
 159                         $clear_cache = true;
 160                 }
 161
 162                 if (!$clear_cache) {
 163                         return;
 164                 }
 165
 166                 // clear old cache
 167                 DI::cache()->clear();
 168
 169                 // clear old item cache files
 170                 clear_cache();
 171
 172                 // clear cache for photos
 173                 clear_cache($a->getBasePath(), $a->getBasePath() . "/photo");
 174
 175                 // clear smarty cache
 176                 clear_cache($a->getBasePath() . "/view/smarty3/compiled", $a->getBasePath() . "/view/smarty3/compiled");
 177
 178                 // clear cache for image proxy
 179                 if (!DI::config()->get("system", "proxy_disabled")) {
 180                         clear_cache($a->getBasePath(), $a->getBasePath() . "/proxy");
 181
 182                         $cachetime = DI::config()->get('system', 'proxy_cache_time');
 183
 184                         if (!$cachetime) {
 185                                 $cachetime = ProxyUtils::DEFAULT_TIME;
 186                         }
 187
 188                         $condition = ['`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime];
 189                         Photo::delete($condition);
 190                 }
 191
 192                 // Delete the cached OEmbed entries that are older than three month
 193                 DBA::delete('oembed', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 194
 195                 // Delete the cached "parse_url" entries that are older than three month
 196                 DBA::delete('parsed_url', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 197
 198                 // Maximum table size in megabyte
 199                 $max_tablesize = intval(DI::config()->get('system', 'optimize_max_tablesize')) * 1000000;
 200                 if ($max_tablesize == 0) {
 201                         $max_tablesize = 100 * 1000000; // Default are 100 MB
 202                 }
 203                 if ($max_tablesize > 0) {
 204                         // Minimum fragmentation level in percent
 205                         $fragmentation_level = intval(DI::config()->get('system', 'optimize_fragmentation')) / 100;
 206                         if ($fragmentation_level == 0) {
 207                                 $fragmentation_level = 0.3; // Default value is 30%
 208                         }
 209
 210                         // Optimize some tables that need to be optimized
 211                         $r = q("SHOW TABLE STATUS");
 212                         foreach ($r as $table) {
 213
 214                                 // Don't optimize tables that are too large
 215                                 if ($table["Data_length"] > $max_tablesize) {
 216                                         continue;
 217                                 }
 218
 219                                 // Don't optimize empty tables
 220                                 if ($table["Data_length"] == 0) {
 221                                         continue;
 222                                 }
 223
 224                                 // Calculate fragmentation
 225                                 $fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
 226
 227                                 Logger::log("Table " . $table["Name"] . " - Fragmentation level: " . round($fragmentation * 100, 2), Logger::DEBUG);
 228
 229                                 // Don't optimize tables that needn't to be optimized
 230                                 if ($fragmentation < $fragmentation_level) {
 231                                         continue;
 232                                 }
 233
 234                                 // So optimize it
 235                                 Logger::log("Optimize Table " . $table["Name"], Logger::DEBUG);
 236                                 q("OPTIMIZE TABLE `%s`", DBA::escape($table["Name"]));
 237                         }
 238                 }
 239
 240                 DI::config()->set('system', 'cache_last_cleared', time());
 241         }
 242
 243         /**
 244          * Do some repairs in database entries
 245          *
 246          */
 247         private static function repairDatabase()
 248         {
 249                 // Sometimes there seem to be issues where the "self" contact vanishes.
 250                 // We haven't found the origin of the problem by now.
 251                 $r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
 252                 if (DBA::isResult($r)) {
 253                         foreach ($r AS $user) {
 254                                 Logger::log('Create missing self contact for user ' . $user['uid']);
 255                                 Contact::createSelfFromUserId($user['uid']);
 256                         }
 257                 }
 258
 259                 // There was an issue where the nick vanishes from the contact table
 260                 q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
 261
 262                 // Update the global contacts for local users
 263                 $r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
 264                 if (DBA::isResult($r)) {
 265                         foreach ($r AS $user) {
 266                                 GContact::updateForUser($user["uid"]);
 267                         }
 268                 }
 269
 270                 /// @todo
 271                 /// - remove thread entries without item
 272                 /// - remove sign entries without item
 273                 /// - remove children when parent got lost
 274                 /// - set contact-id in item when not present
 275
 276                 // Add intro entries for pending contacts
 277                 // We don't do this for DFRN entries since such revived contact requests seem to mostly fail.
 278                 $pending_contacts = DBA::p("SELECT `uid`, `id`, `url`, `network`, `created` FROM `contact`
 279                         WHERE `pending` AND `rel` IN (?, ?) AND `network` != ?
 280                                 AND NOT EXISTS (SELECT `id` FROM `intro` WHERE `contact-id` = `contact`.`id`)",
 281                         0, Contact::FOLLOWER, Protocol::DFRN);
 282                 while ($contact = DBA::fetch($pending_contacts)) {
 283                         DBA::insert('intro', ['uid' => $contact['uid'], 'contact-id' => $contact['id'], 'blocked' => false,
 284                                 'hash' => Strings::getRandomHex(), 'datetime' => $contact['created']]);
 285                 }
 286                 DBA::close($pending_contacts);
 287         }
 288
 289         /**
 290          * Moves up to 5000 attachments and photos to the current storage system.
 291          * Self-replicates if legacy items have been found and moved.
 292          *
 293          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 294          */
 295         private static function moveStorage()
 296         {
 297                 $current = DI::storage();
 298                 $moved = DI::storageManager()->move($current);
 299
 300                 if ($moved) {
 301                         Worker::add(PRIORITY_LOW, "CronJobs", "move_storage");
 302                 }
 303         }
 304 }