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\Database\DBA;
  12 use Friendica\Database\PostUpdate;
  13 use Friendica\Model\Contact;
  14 use Friendica\Model\GContact;
  15 use Friendica\Model\Photo;
  16 use Friendica\Model\User;
  17 use Friendica\Network\Probe;
  18 use Friendica\Protocol\PortableContact;
  19 use Friendica\Util\Proxy as ProxyUtils;
  20
  21 require_once 'include/dba.php';
  22 require_once 'mod/nodeinfo.php';
  23
  24 class CronJobs
  25 {
  26         public static function execute($command = '')
  27         {
  28                 $a = BaseObject::getApp();
  29
  30                 // No parameter set? So return
  31                 if ($command == '') {
  32                         return;
  33                 }
  34
  35                 logger("Starting cronjob " . $command, LOGGER_DEBUG);
  36
  37                 // Call possible post update functions
  38                 // see src/Database/PostUpdate.php for more details
  39                 if ($command == 'post_update') {
  40                         PostUpdate::update();
  41                         return;
  42                 }
  43
  44                 // update nodeinfo data
  45                 if ($command == 'nodeinfo') {
  46                         nodeinfo_cron();
  47                         return;
  48                 }
  49
  50                 // Expire and remove user entries
  51                 if ($command == 'expire_and_remove_users') {
  52                         self::expireAndRemoveUsers();
  53                         return;
  54                 }
  55
  56                 if ($command == 'update_contact_birthdays') {
  57                         Contact::updateBirthdays();
  58                         return;
  59                 }
  60
  61                 if ($command == 'update_photo_albums') {
  62                         self::updatePhotoAlbums();
  63                         return;
  64                 }
  65
  66                 // Clear cache entries
  67                 if ($command == 'clear_cache') {
  68                         self::clearCache($a);
  69                         return;
  70                 }
  71
  72                 // Repair missing Diaspora values in contacts
  73                 if ($command == 'repair_diaspora') {
  74                         self::repairDiaspora($a);
  75                         return;
  76                 }
  77
  78                 // Repair entries in the database
  79                 if ($command == 'repair_database') {
  80                         self::repairDatabase();
  81                         return;
  82                 }
  83
  84                 logger("Xronjob " . $command . " is unknown.", LOGGER_DEBUG);
  85
  86                 return;
  87         }
  88
  89         /**
  90          * @brief 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          * @brief 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", NULL_DATE];
 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                 $users = DBA::select('user', ['uid'], ["`account_removed` AND `account_expires_on` < UTC_TIMESTAMP() - INTERVAL 3 DAY"]);
 121                 while ($user = DBA::fetch($users)) {
 122                         DBA::delete('user', ['uid' => $user['uid']]);
 123                 }
 124         }
 125
 126         /**
 127          * @brief Clear cache entries
 128          *
 129          * @param App $a
 130          */
 131         private static function clearCache(App $a)
 132         {
 133                 $last = Config::get('system', 'cache_last_cleared');
 134
 135                 if ($last) {
 136                         $next = $last + (3600); // Once per hour
 137                         $clear_cache = ($next <= time());
 138                 } else {
 139                         $clear_cache = true;
 140                 }
 141
 142                 if (!$clear_cache) {
 143                         return;
 144                 }
 145
 146                 // clear old cache
 147                 Cache::clear();
 148
 149                 // clear old item cache files
 150                 clear_cache();
 151
 152                 // clear cache for photos
 153                 clear_cache($a->get_basepath(), $a->get_basepath() . "/photo");
 154
 155                 // clear smarty cache
 156                 clear_cache($a->get_basepath() . "/view/smarty3/compiled", $a->get_basepath() . "/view/smarty3/compiled");
 157
 158                 // clear cache for image proxy
 159                 if (!Config::get("system", "proxy_disabled")) {
 160                         clear_cache($a->get_basepath(), $a->get_basepath() . "/proxy");
 161
 162                         $cachetime = Config::get('system', 'proxy_cache_time');
 163
 164                         if (!$cachetime) {
 165                                 $cachetime = ProxyUtils::DEFAULT_TIME;
 166                         }
 167
 168                         $condition = ['`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime];
 169                         DBA::delete('photo', $condition);
 170                 }
 171
 172                 // Delete the cached OEmbed entries that are older than three month
 173                 DBA::delete('oembed', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 174
 175                 // Delete the cached "parse_url" entries that are older than three month
 176                 DBA::delete('parsed_url', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 177
 178                 // Maximum table size in megabyte
 179                 $max_tablesize = intval(Config::get('system', 'optimize_max_tablesize')) * 1000000;
 180                 if ($max_tablesize == 0) {
 181                         $max_tablesize = 100 * 1000000; // Default are 100 MB
 182                 }
 183                 if ($max_tablesize > 0) {
 184                         // Minimum fragmentation level in percent
 185                         $fragmentation_level = intval(Config::get('system', 'optimize_fragmentation')) / 100;
 186                         if ($fragmentation_level == 0) {
 187                                 $fragmentation_level = 0.3; // Default value is 30%
 188                         }
 189
 190                         // Optimize some tables that need to be optimized
 191                         $r = q("SHOW TABLE STATUS");
 192                         foreach ($r as $table) {
 193
 194                                 // Don't optimize tables that are too large
 195                                 if ($table["Data_length"] > $max_tablesize) {
 196                                         continue;
 197                                 }
 198
 199                                 // Don't optimize empty tables
 200                                 if ($table["Data_length"] == 0) {
 201                                         continue;
 202                                 }
 203
 204                                 // Calculate fragmentation
 205                                 $fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
 206
 207                                 logger("Table " . $table["Name"] . " - Fragmentation level: " . round($fragmentation * 100, 2), LOGGER_DEBUG);
 208
 209                                 // Don't optimize tables that needn't to be optimized
 210                                 if ($fragmentation < $fragmentation_level) {
 211                                         continue;
 212                                 }
 213
 214                                 // So optimize it
 215                                 logger("Optimize Table " . $table["Name"], LOGGER_DEBUG);
 216                                 q("OPTIMIZE TABLE `%s`", DBA::escape($table["Name"]));
 217                         }
 218                 }
 219
 220                 Config::set('system', 'cache_last_cleared', time());
 221         }
 222
 223         /**
 224          * @brief Repair missing values in Diaspora contacts
 225          *
 226          * @param App $a
 227          */
 228         private static function repairDiaspora(App $a)
 229         {
 230                 $starttime = time();
 231
 232                 $r = q("SELECT `id`, `url` FROM `contact`
 233                         WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
 234                                 ORDER BY RAND() LIMIT 50", DBA::escape(NETWORK_DIASPORA));
 235                 if (!DBA::isResult($r)) {
 236                         return;
 237                 }
 238
 239                 foreach ($r AS $contact) {
 240                         // Quit the loop after 3 minutes
 241                         if (time() > ($starttime + 180)) {
 242                                 return;
 243                         }
 244
 245                         if (!PortableContact::reachable($contact["url"])) {
 246                                 continue;
 247                         }
 248
 249                         $data = Probe::uri($contact["url"]);
 250                         if ($data["network"] != NETWORK_DIASPORA) {
 251                                 continue;
 252                         }
 253
 254                         logger("Repair contact " . $contact["id"] . " " . $contact["url"], LOGGER_DEBUG);
 255                         q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
 256                                 DBA::escape($data["batch"]), DBA::escape($data["notify"]), DBA::escape($data["poll"]), DBA::escape($data["pubkey"]),
 257                                 intval($contact["id"]));
 258                 }
 259         }
 260
 261         /**
 262          * @brief Do some repairs in database entries
 263          *
 264          */
 265         private static function repairDatabase()
 266         {
 267                 // Sometimes there seem to be issues where the "self" contact vanishes.
 268                 // We haven't found the origin of the problem by now.
 269                 $r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
 270                 if (DBA::isResult($r)) {
 271                         foreach ($r AS $user) {
 272                                 logger('Create missing self contact for user ' . $user['uid']);
 273                                 Contact::createSelfFromUserId($user['uid']);
 274                         }
 275                 }
 276
 277                 // Set the parent if it wasn't set. (Shouldn't happen - but does sometimes)
 278                 // This call is very "cheap" so we can do it at any time without a problem
 279                 q("UPDATE `item` INNER JOIN `item` AS `parent` ON `parent`.`uri` = `item`.`parent-uri` AND `parent`.`uid` = `item`.`uid` SET `item`.`parent` = `parent`.`id` WHERE `item`.`parent` = 0");
 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 }