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