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