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\GServer;
  34 use Friendica\Model\Nodeinfo;
  35 use Friendica\Model\Photo;
  36 use Friendica\Model\User;
  37 use Friendica\Network\Probe;
  38 use Friendica\Util\Network;
  39 use Friendica\Util\Proxy as ProxyUtils;
  40 use Friendica\Util\Strings;
  41
  42 class CronJobs
  43 {
  44         public static function execute($command = '')
  45         {
  46                 $a = DI::app();
  47
  48                 // No parameter set? So return
  49                 if ($command == '') {
  50                         return;
  51                 }
  52
  53                 Logger::log("Starting cronjob " . $command, Logger::DEBUG);
  54
  55                 switch($command) {
  56                         case 'post_update':
  57                                 PostUpdate::update();
  58                                 break;
  59
  60                         case 'nodeinfo':
  61                                 Logger::info('cron_start');
  62                                 Nodeinfo::update();
  63                                 // Now trying to register
  64                                 $url = 'http://the-federation.info/register/' . DI::baseUrl()->getHostname();
  65                                 Logger::debug('Check registering url', ['url' => $url]);
  66                                 $ret = Network::fetchUrl($url);
  67                                 Logger::debug('Check registering answer', ['answer' => $ret]);
  68                                 Logger::info('cron_end');
  69                                 break;
  70
  71                         case 'expire_and_remove_users':
  72                                 self::expireAndRemoveUsers();
  73                                 break;
  74
  75                         case 'update_contact_birthdays':
  76                                 Contact::updateBirthdays();
  77                                 break;
  78
  79                         case 'update_photo_albums':
  80                                 self::updatePhotoAlbums();
  81                                 break;
  82
  83                         case 'clear_cache':
  84                                 self::clearCache($a);
  85                                 break;
  86
  87                         case 'repair_database':
  88                                 self::repairDatabase();
  89                                 break;
  90
  91                         case 'move_storage':
  92                                 self::moveStorage();
  93                                 break;
  94
  95                         default:
  96                                 Logger::log("Cronjob " . $command . " is unknown.", Logger::DEBUG);
  97                 }
  98
  99                 return;
 100         }
 101
 102         /**
 103          * Update the cached values for the number of photo albums per user
 104          */
 105         private static function updatePhotoAlbums()
 106         {
 107                 $r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
 108                 if (!DBA::isResult($r)) {
 109                         return;
 110                 }
 111
 112                 foreach ($r as $user) {
 113                         Photo::clearAlbumCache($user['uid']);
 114                 }
 115         }
 116
 117         /**
 118          * Expire and remove user entries
 119          */
 120         private static function expireAndRemoveUsers()
 121         {
 122                 // expire any expired regular accounts. Don't expire forums.
 123                 $condition = ["NOT `account_expired` AND `account_expires_on` > ? AND `account_expires_on` < UTC_TIMESTAMP() AND `page-flags` = 0", DBA::NULL_DATETIME];
 124                 DBA::update('user', ['account_expired' => true], $condition);
 125
 126                 // Remove any freshly expired account
 127                 $users = DBA::select('user', ['uid'], ['account_expired' => true, 'account_removed' => false]);
 128                 while ($user = DBA::fetch($users)) {
 129                         User::remove($user['uid']);
 130                 }
 131                 DBA::close($users);
 132
 133                 // delete user records for recently removed accounts
 134                 $users = DBA::select('user', ['uid'], ["`account_removed` AND `account_expires_on` < UTC_TIMESTAMP() "]);
 135                 while ($user = DBA::fetch($users)) {
 136                         // Delete the contacts of this user
 137                         $self = DBA::selectFirst('contact', ['nurl'], ['self' => true, 'uid' => $user['uid']]);
 138                         if (DBA::isResult($self)) {
 139                                 DBA::delete('contact', ['nurl' => $self['nurl'], 'self' => false]);
 140                         }
 141
 142                         DBA::delete('user', ['uid' => $user['uid']]);
 143                 }
 144                 DBA::close($users);
 145         }
 146
 147         /**
 148          * Clear cache entries
 149          *
 150          * @param App $a
 151          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 152          */
 153         private static function clearCache(App $a)
 154         {
 155                 $last = DI::config()->get('system', 'cache_last_cleared');
 156
 157                 if ($last) {
 158                         $next = $last + (3600); // Once per hour
 159                         $clear_cache = ($next <= time());
 160                 } else {
 161                         $clear_cache = true;
 162                 }
 163
 164                 if (!$clear_cache) {
 165                         return;
 166                 }
 167
 168                 // clear old cache
 169                 DI::cache()->clear();
 170
 171                 // clear old item cache files
 172                 clear_cache();
 173
 174                 // clear cache for photos
 175                 clear_cache($a->getBasePath(), $a->getBasePath() . "/photo");
 176
 177                 // clear smarty cache
 178                 clear_cache($a->getBasePath() . "/view/smarty3/compiled", $a->getBasePath() . "/view/smarty3/compiled");
 179
 180                 // clear cache for image proxy
 181                 if (!DI::config()->get("system", "proxy_disabled")) {
 182                         clear_cache($a->getBasePath(), $a->getBasePath() . "/proxy");
 183
 184                         $cachetime = DI::config()->get('system', 'proxy_cache_time');
 185
 186                         if (!$cachetime) {
 187                                 $cachetime = ProxyUtils::DEFAULT_TIME;
 188                         }
 189
 190                         $condition = ['`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime];
 191                         Photo::delete($condition);
 192                 }
 193
 194                 // Delete the cached OEmbed entries that are older than three month
 195                 DBA::delete('oembed', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 196
 197                 // Delete the cached "parse_url" entries that are older than three month
 198                 DBA::delete('parsed_url', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 199
 200                 // Maximum table size in megabyte
 201                 $max_tablesize = intval(DI::config()->get('system', 'optimize_max_tablesize')) * 1000000;
 202                 if ($max_tablesize == 0) {
 203                         $max_tablesize = 100 * 1000000; // Default are 100 MB
 204                 }
 205                 if ($max_tablesize > 0) {
 206                         // Minimum fragmentation level in percent
 207                         $fragmentation_level = intval(DI::config()->get('system', 'optimize_fragmentation')) / 100;
 208                         if ($fragmentation_level == 0) {
 209                                 $fragmentation_level = 0.3; // Default value is 30%
 210                         }
 211
 212                         // Optimize some tables that need to be optimized
 213                         $r = q("SHOW TABLE STATUS");
 214                         foreach ($r as $table) {
 215
 216                                 // Don't optimize tables that are too large
 217                                 if ($table["Data_length"] > $max_tablesize) {
 218                                         continue;
 219                                 }
 220
 221                                 // Don't optimize empty tables
 222                                 if ($table["Data_length"] == 0) {
 223                                         continue;
 224                                 }
 225
 226                                 // Calculate fragmentation
 227                                 $fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
 228
 229                                 Logger::log("Table " . $table["Name"] . " - Fragmentation level: " . round($fragmentation * 100, 2), Logger::DEBUG);
 230
 231                                 // Don't optimize tables that needn't to be optimized
 232                                 if ($fragmentation < $fragmentation_level) {
 233                                         continue;
 234                                 }
 235
 236                                 // So optimize it
 237                                 Logger::log("Optimize Table " . $table["Name"], Logger::DEBUG);
 238                                 q("OPTIMIZE TABLE `%s`", DBA::escape($table["Name"]));
 239                         }
 240                 }
 241
 242                 DI::config()->set('system', 'cache_last_cleared', time());
 243         }
 244
 245         /**
 246          * Do some repairs in database entries
 247          *
 248          */
 249         private static function repairDatabase()
 250         {
 251                 // Sometimes there seem to be issues where the "self" contact vanishes.
 252                 // We haven't found the origin of the problem by now.
 253                 $r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
 254                 if (DBA::isResult($r)) {
 255                         foreach ($r AS $user) {
 256                                 Logger::log('Create missing self contact for user ' . $user['uid']);
 257                                 Contact::createSelfFromUserId($user['uid']);
 258                         }
 259                 }
 260
 261                 // There was an issue where the nick vanishes from the contact table
 262                 q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
 263
 264                 // Update the global contacts for local users
 265                 $r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
 266                 if (DBA::isResult($r)) {
 267                         foreach ($r AS $user) {
 268                                 GContact::updateForUser($user["uid"]);
 269                         }
 270                 }
 271
 272                 /// @todo
 273                 /// - remove thread entries without item
 274                 /// - remove sign entries without item
 275                 /// - remove children when parent got lost
 276                 /// - set contact-id in item when not present
 277
 278                 // Add intro entries for pending contacts
 279                 // We don't do this for DFRN entries since such revived contact requests seem to mostly fail.
 280                 $pending_contacts = DBA::p("SELECT `uid`, `id`, `url`, `network`, `created` FROM `contact`
 281                         WHERE `pending` AND `rel` IN (?, ?) AND `network` != ?
 282                                 AND NOT EXISTS (SELECT `id` FROM `intro` WHERE `contact-id` = `contact`.`id`)",
 283                         0, Contact::FOLLOWER, Protocol::DFRN);
 284                 while ($contact = DBA::fetch($pending_contacts)) {
 285                         DBA::insert('intro', ['uid' => $contact['uid'], 'contact-id' => $contact['id'], 'blocked' => false,
 286                                 'hash' => Strings::getRandomHex(), 'datetime' => $contact['created']]);
 287                 }
 288                 DBA::close($pending_contacts);
 289         }
 290
 291         /**
 292          * Moves up to 5000 attachments and photos to the current storage system.
 293          * Self-replicates if legacy items have been found and moved.
 294          *
 295          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 296          */
 297         private static function moveStorage()
 298         {
 299                 $current = DI::storage();
 300                 $moved = DI::storageManager()->move($current);
 301
 302                 if ($moved) {
 303                         Worker::add(PRIORITY_LOW, "CronJobs", "move_storage");
 304                 }
 305         }
 306 }