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