src/Worker/CronJobs.php

   1 <?php
   2 /**
   3  * @file src/worker/CronJobs.php
   4  */
   5 namespace Friendica\Worker;
   6
   7 use Friendica\App;
   8 use Friendica\BaseObject;
   9 use Friendica\Core\Cache;
  10 use Friendica\Core\Config;
  11 use Friendica\Core\Logger;
  12 use Friendica\Core\Protocol;
  13 use Friendica\Core\StorageManager;
  14 use Friendica\Core\Worker;
  15 use Friendica\Database\DBA;
  16 use Friendica\Database\PostUpdate;
  17 use Friendica\DI;
  18 use Friendica\Model\Contact;
  19 use Friendica\Model\GContact;
  20 use Friendica\Model\GServer;
  21 use Friendica\Model\Nodeinfo;
  22 use Friendica\Model\Photo;
  23 use Friendica\Model\User;
  24 use Friendica\Network\Probe;
  25 use Friendica\Util\Network;
  26 use Friendica\Util\Proxy as ProxyUtils;
  27 use Friendica\Util\Strings;
  28
  29 class CronJobs
  30 {
  31         public static function execute($command = '')
  32         {
  33                 $a = DI::app();
  34
  35                 // No parameter set? So return
  36                 if ($command == '') {
  37                         return;
  38                 }
  39
  40                 Logger::log("Starting cronjob " . $command, Logger::DEBUG);
  41
  42                 switch($command) {
  43                         case 'post_update':
  44                                 PostUpdate::update();
  45                                 break;
  46
  47                         case 'nodeinfo':
  48                                 Logger::info('cron_start');
  49                                 Nodeinfo::update();
  50                                 // Now trying to register
  51                                 $url = 'http://the-federation.info/register/' . $a->getHostName();
  52                                 Logger::debug('Check registering url', ['url' => $url]);
  53                                 $ret = Network::fetchUrl($url);
  54                                 Logger::debug('Check registering answer', ['answer' => $ret]);
  55                                 Logger::info('cron_end');
  56                                 break;
  57
  58                         case 'expire_and_remove_users':
  59                                 self::expireAndRemoveUsers();
  60                                 break;
  61
  62                         case 'update_contact_birthdays':
  63                                 Contact::updateBirthdays();
  64                                 break;
  65
  66                         case 'update_photo_albums':
  67                                 self::updatePhotoAlbums();
  68                                 break;
  69
  70                         case 'clear_cache':
  71                                 self::clearCache($a);
  72                                 break;
  73
  74                         case 'repair_diaspora':
  75                                 self::repairDiaspora($a);
  76                                 break;
  77
  78                         case 'repair_database':
  79                                 self::repairDatabase();
  80                                 break;
  81
  82                         case 'move_storage':
  83                                 self::moveStorage();
  84                                 break;
  85
  86                         default:
  87                                 Logger::log("Cronjob " . $command . " is unknown.", Logger::DEBUG);
  88                 }
  89
  90                 return;
  91         }
  92
  93         /**
  94          * @brief Update the cached values for the number of photo albums per user
  95          */
  96         private static function updatePhotoAlbums()
  97         {
  98                 $r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
  99                 if (!DBA::isResult($r)) {
 100                         return;
 101                 }
 102
 103                 foreach ($r as $user) {
 104                         Photo::clearAlbumCache($user['uid']);
 105                 }
 106         }
 107
 108         /**
 109          * @brief Expire and remove user entries
 110          */
 111         private static function expireAndRemoveUsers()
 112         {
 113                 // expire any expired regular accounts. Don't expire forums.
 114                 $condition = ["NOT `account_expired` AND `account_expires_on` > ? AND `account_expires_on` < UTC_TIMESTAMP() AND `page-flags` = 0", DBA::NULL_DATETIME];
 115                 DBA::update('user', ['account_expired' => true], $condition);
 116
 117                 // Remove any freshly expired account
 118                 $users = DBA::select('user', ['uid'], ['account_expired' => true, 'account_removed' => false]);
 119                 while ($user = DBA::fetch($users)) {
 120                         User::remove($user['uid']);
 121                 }
 122
 123                 // delete user records for recently removed accounts
 124                 $users = DBA::select('user', ['uid'], ["`account_removed` AND `account_expires_on` < UTC_TIMESTAMP() "]);
 125                 while ($user = DBA::fetch($users)) {
 126                         // Delete the contacts of this user
 127                         $self = DBA::selectFirst('contact', ['nurl'], ['self' => true, 'uid' => $user['uid']]);
 128                         if (DBA::isResult($self)) {
 129                                 DBA::delete('contact', ['nurl' => $self['nurl'], 'self' => false]);
 130                         }
 131
 132                         DBA::delete('user', ['uid' => $user['uid']]);
 133                 }
 134         }
 135
 136         /**
 137          * @brief Clear cache entries
 138          *
 139          * @param App $a
 140          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 141          */
 142         private static function clearCache(App $a)
 143         {
 144                 $last = Config::get('system', 'cache_last_cleared');
 145
 146                 if ($last) {
 147                         $next = $last + (3600); // Once per hour
 148                         $clear_cache = ($next <= time());
 149                 } else {
 150                         $clear_cache = true;
 151                 }
 152
 153                 if (!$clear_cache) {
 154                         return;
 155                 }
 156
 157                 // clear old cache
 158                 Cache::clear();
 159
 160                 // clear old item cache files
 161                 clear_cache();
 162
 163                 // clear cache for photos
 164                 clear_cache($a->getBasePath(), $a->getBasePath() . "/photo");
 165
 166                 // clear smarty cache
 167                 clear_cache($a->getBasePath() . "/view/smarty3/compiled", $a->getBasePath() . "/view/smarty3/compiled");
 168
 169                 // clear cache for image proxy
 170                 if (!Config::get("system", "proxy_disabled")) {
 171                         clear_cache($a->getBasePath(), $a->getBasePath() . "/proxy");
 172
 173                         $cachetime = Config::get('system', 'proxy_cache_time');
 174
 175                         if (!$cachetime) {
 176                                 $cachetime = ProxyUtils::DEFAULT_TIME;
 177                         }
 178
 179                         $condition = ['`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime];
 180                         Photo::delete($condition);
 181                 }
 182
 183                 // Delete the cached OEmbed entries that are older than three month
 184                 DBA::delete('oembed', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 185
 186                 // Delete the cached "parse_url" entries that are older than three month
 187                 DBA::delete('parsed_url', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 188
 189                 // Maximum table size in megabyte
 190                 $max_tablesize = intval(Config::get('system', 'optimize_max_tablesize')) * 1000000;
 191                 if ($max_tablesize == 0) {
 192                         $max_tablesize = 100 * 1000000; // Default are 100 MB
 193                 }
 194                 if ($max_tablesize > 0) {
 195                         // Minimum fragmentation level in percent
 196                         $fragmentation_level = intval(Config::get('system', 'optimize_fragmentation')) / 100;
 197                         if ($fragmentation_level == 0) {
 198                                 $fragmentation_level = 0.3; // Default value is 30%
 199                         }
 200
 201                         // Optimize some tables that need to be optimized
 202                         $r = q("SHOW TABLE STATUS");
 203                         foreach ($r as $table) {
 204
 205                                 // Don't optimize tables that are too large
 206                                 if ($table["Data_length"] > $max_tablesize) {
 207                                         continue;
 208                                 }
 209
 210                                 // Don't optimize empty tables
 211                                 if ($table["Data_length"] == 0) {
 212                                         continue;
 213                                 }
 214
 215                                 // Calculate fragmentation
 216                                 $fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
 217
 218                                 Logger::log("Table " . $table["Name"] . " - Fragmentation level: " . round($fragmentation * 100, 2), Logger::DEBUG);
 219
 220                                 // Don't optimize tables that needn't to be optimized
 221                                 if ($fragmentation < $fragmentation_level) {
 222                                         continue;
 223                                 }
 224
 225                                 // So optimize it
 226                                 Logger::log("Optimize Table " . $table["Name"], Logger::DEBUG);
 227                                 q("OPTIMIZE TABLE `%s`", DBA::escape($table["Name"]));
 228                         }
 229                 }
 230
 231                 Config::set('system', 'cache_last_cleared', time());
 232         }
 233
 234         /**
 235          * @brief Repair missing values in Diaspora contacts
 236          *
 237          * @param App $a
 238          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 239          * @throws \ImagickException
 240          */
 241         private static function repairDiaspora(App $a)
 242         {
 243                 $starttime = time();
 244
 245                 $r = q("SELECT `id`, `url` FROM `contact`
 246                         WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
 247                                 ORDER BY RAND() LIMIT 50", DBA::escape(Protocol::DIASPORA));
 248                 if (!DBA::isResult($r)) {
 249                         return;
 250                 }
 251
 252                 foreach ($r as $contact) {
 253                         // Quit the loop after 3 minutes
 254                         if (time() > ($starttime + 180)) {
 255                                 return;
 256                         }
 257
 258                         if (!GServer::reachable($contact["url"])) {
 259                                 continue;
 260                         }
 261
 262                         $data = Probe::uri($contact["url"]);
 263                         if ($data["network"] != Protocol::DIASPORA) {
 264                                 continue;
 265                         }
 266
 267                         Logger::log("Repair contact " . $contact["id"] . " " . $contact["url"], Logger::DEBUG);
 268                         q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
 269                                 DBA::escape($data["batch"]), DBA::escape($data["notify"]), DBA::escape($data["poll"]), DBA::escape($data["pubkey"]),
 270                                 intval($contact["id"]));
 271                 }
 272         }
 273
 274         /**
 275          * @brief Do some repairs in database entries
 276          *
 277          */
 278         private static function repairDatabase()
 279         {
 280                 // Sometimes there seem to be issues where the "self" contact vanishes.
 281                 // We haven't found the origin of the problem by now.
 282                 $r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
 283                 if (DBA::isResult($r)) {
 284                         foreach ($r AS $user) {
 285                                 Logger::log('Create missing self contact for user ' . $user['uid']);
 286                                 Contact::createSelfFromUserId($user['uid']);
 287                         }
 288                 }
 289
 290                 // There was an issue where the nick vanishes from the contact table
 291                 q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
 292
 293                 // Update the global contacts for local users
 294                 $r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
 295                 if (DBA::isResult($r)) {
 296                         foreach ($r AS $user) {
 297                                 GContact::updateForUser($user["uid"]);
 298                         }
 299                 }
 300
 301                 /// @todo
 302                 /// - remove thread entries without item
 303                 /// - remove sign entries without item
 304                 /// - remove children when parent got lost
 305                 /// - set contact-id in item when not present
 306
 307                 // Add intro entries for pending contacts
 308                 // We don't do this for DFRN entries since such revived contact requests seem to mostly fail.
 309                 $pending_contacts = DBA::p("SELECT `uid`, `id`, `url`, `network`, `created` FROM `contact`
 310                         WHERE `pending` AND `rel` IN (?, ?) AND `network` != ?
 311                                 AND NOT EXISTS (SELECT `id` FROM `intro` WHERE `contact-id` = `contact`.`id`)",
 312                         0, Contact::FOLLOWER, Protocol::DFRN);
 313                 while ($contact = DBA::fetch($pending_contacts)) {
 314                         DBA::insert('intro', ['uid' => $contact['uid'], 'contact-id' => $contact['id'], 'blocked' => false,
 315                                 'hash' => Strings::getRandomHex(), 'datetime' => $contact['created']]);
 316                 }
 317                 DBA::close($pending_contacts);
 318         }
 319
 320         /**
 321          * Moves up to 5000 attachments and photos to the current storage system.
 322          * Self-replicates if legacy items have been found and moved.
 323          *
 324          * @throws \Friendica\Network\HTTPException\InternalServerErrorException
 325          */
 326         private static function moveStorage()
 327         {
 328                 $current = StorageManager::getBackend();
 329                 $moved = StorageManager::move($current);
 330
 331                 if ($moved) {
 332                         Worker::add(PRIORITY_LOW, "CronJobs", "move_storage");
 333                 }
 334         }
 335 }