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