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