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