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