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\DBM;
  13 use Friendica\Database\PostUpdate;
  14 use Friendica\Model\Contact;
  15 use Friendica\Model\GContact;
  16 use Friendica\Model\Photo;
  17 use Friendica\Model\User;
  18 use Friendica\Network\Probe;
  19 use Friendica\Protocol\PortableContact;
  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 // Post updates will be reenabled (hopefully in a few days) when most item works are done
  41 //                      PostUpdate::update();
  42                         return;
  43                 }
  44
  45                 // update nodeinfo data
  46                 if ($command == 'nodeinfo') {
  47                         nodeinfo_cron();
  48                         return;
  49                 }
  50
  51                 // Expire and remove user entries
  52                 if ($command == 'expire_and_remove_users') {
  53                         self::expireAndRemoveUsers();
  54                         return;
  55                 }
  56
  57                 if ($command == 'update_contact_birthdays') {
  58                         Contact::updateBirthdays();
  59                         return;
  60                 }
  61
  62                 if ($command == 'update_photo_albums') {
  63                         self::updatePhotoAlbums();
  64                         return;
  65                 }
  66
  67                 // Clear cache entries
  68                 if ($command == 'clear_cache') {
  69                         self::clearCache($a);
  70                         return;
  71                 }
  72
  73                 // Repair missing Diaspora values in contacts
  74                 if ($command == 'repair_diaspora') {
  75                         self::repairDiaspora($a);
  76                         return;
  77                 }
  78
  79                 // Repair entries in the database
  80                 if ($command == 'repair_database') {
  81                         self::repairDatabase();
  82                         return;
  83                 }
  84
  85                 logger("Xronjob " . $command . " is unknown.", LOGGER_DEBUG);
  86
  87                 return;
  88         }
  89
  90         /**
  91          * @brief Update the cached values for the number of photo albums per user
  92          */
  93         private static function updatePhotoAlbums()
  94         {
  95                 $r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
  96                 if (!DBM::is_result($r)) {
  97                         return;
  98                 }
  99
 100                 foreach ($r as $user) {
 101                         Photo::clearAlbumCache($user['uid']);
 102                 }
 103         }
 104
 105         /**
 106          * @brief Expire and remove user entries
 107          */
 108         private static function expireAndRemoveUsers()
 109         {
 110                 // expire any expired regular accounts. Don't expire forums.
 111                 $condition = ["NOT `account_expired` AND `account_expires_on` > ? AND `account_expires_on` < UTC_TIMESTAMP() AND `page-flags` = 0", NULL_DATE];
 112                 dba::update('user', ['account_expired' => true], $condition);
 113
 114                 // Remove any freshly expired account
 115                 $users = dba::select('user', ['uid'], ['account_expired' => true, 'account_removed' => false]);
 116                 while ($user = dba::fetch($users)) {
 117                         User::remove($user['uid']);
 118                 }
 119
 120                 // delete user records for recently removed accounts
 121                 $users = dba::select('user', ['uid'], ["`account_removed` AND `account_expires_on` < UTC_TIMESTAMP() - INTERVAL 3 DAY"]);
 122                 while ($user = dba::fetch($users)) {
 123                         dba::delete('user', ['uid' => $user['uid']]);
 124                 }
 125         }
 126
 127         /**
 128          * @brief Clear cache entries
 129          *
 130          * @param App $a
 131          */
 132         private static function clearCache(App $a)
 133         {
 134                 $last = Config::get('system', 'cache_last_cleared');
 135
 136                 if ($last) {
 137                         $next = $last + (3600); // Once per hour
 138                         $clear_cache = ($next <= time());
 139                 } else {
 140                         $clear_cache = true;
 141                 }
 142
 143                 if (!$clear_cache) {
 144                         return;
 145                 }
 146
 147                 // clear old cache
 148                 Cache::clear();
 149
 150                 // clear old item cache files
 151                 clear_cache();
 152
 153                 // clear cache for photos
 154                 clear_cache($a->get_basepath(), $a->get_basepath() . "/photo");
 155
 156                 // clear smarty cache
 157                 clear_cache($a->get_basepath() . "/view/smarty3/compiled", $a->get_basepath() . "/view/smarty3/compiled");
 158
 159                 // clear cache for image proxy
 160                 if (!Config::get("system", "proxy_disabled")) {
 161                         clear_cache($a->get_basepath(), $a->get_basepath() . "/proxy");
 162
 163                         $cachetime = Config::get('system', 'proxy_cache_time');
 164                         if (!$cachetime) {
 165                                 $cachetime = PROXY_DEFAULT_TIME;
 166                         }
 167                         $condition = ['`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime];
 168                         dba::delete('photo', $condition);
 169                 }
 170
 171                 // Delete the cached OEmbed entries that are older than three month
 172                 dba::delete('oembed', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 173
 174                 // Delete the cached "parse_url" entries that are older than three month
 175                 dba::delete('parsed_url', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 176
 177                 // Maximum table size in megabyte
 178                 $max_tablesize = intval(Config::get('system', 'optimize_max_tablesize')) * 1000000;
 179                 if ($max_tablesize == 0) {
 180                         $max_tablesize = 100 * 1000000; // Default are 100 MB
 181                 }
 182                 if ($max_tablesize > 0) {
 183                         // Minimum fragmentation level in percent
 184                         $fragmentation_level = intval(Config::get('system', 'optimize_fragmentation')) / 100;
 185                         if ($fragmentation_level == 0) {
 186                                 $fragmentation_level = 0.3; // Default value is 30%
 187                         }
 188
 189                         // Optimize some tables that need to be optimized
 190                         $r = q("SHOW TABLE STATUS");
 191                         foreach ($r as $table) {
 192
 193                                 // Don't optimize tables that are too large
 194                                 if ($table["Data_length"] > $max_tablesize) {
 195                                         continue;
 196                                 }
 197
 198                                 // Don't optimize empty tables
 199                                 if ($table["Data_length"] == 0) {
 200                                         continue;
 201                                 }
 202
 203                                 // Calculate fragmentation
 204                                 $fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
 205
 206                                 logger("Table " . $table["Name"] . " - Fragmentation level: " . round($fragmentation * 100, 2), LOGGER_DEBUG);
 207
 208                                 // Don't optimize tables that needn't to be optimized
 209                                 if ($fragmentation < $fragmentation_level) {
 210                                         continue;
 211                                 }
 212
 213                                 // So optimize it
 214                                 logger("Optimize Table " . $table["Name"], LOGGER_DEBUG);
 215                                 q("OPTIMIZE TABLE `%s`", dbesc($table["Name"]));
 216                         }
 217                 }
 218
 219                 Config::set('system', 'cache_last_cleared', time());
 220         }
 221
 222         /**
 223          * @brief Repair missing values in Diaspora contacts
 224          *
 225          * @param App $a
 226          */
 227         private static function repairDiaspora(App $a)
 228         {
 229                 $starttime = time();
 230
 231                 $r = q("SELECT `id`, `url` FROM `contact`
 232                         WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
 233                                 ORDER BY RAND() LIMIT 50", dbesc(NETWORK_DIASPORA));
 234                 if (!DBM::is_result($r)) {
 235                         return;
 236                 }
 237
 238                 foreach ($r AS $contact) {
 239                         // Quit the loop after 3 minutes
 240                         if (time() > ($starttime + 180)) {
 241                                 return;
 242                         }
 243
 244                         if (!PortableContact::reachable($contact["url"])) {
 245                                 continue;
 246                         }
 247
 248                         $data = Probe::uri($contact["url"]);
 249                         if ($data["network"] != NETWORK_DIASPORA) {
 250                                 continue;
 251                         }
 252
 253                         logger("Repair contact " . $contact["id"] . " " . $contact["url"], LOGGER_DEBUG);
 254                         q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
 255                                 dbesc($data["batch"]), dbesc($data["notify"]), dbesc($data["poll"]), dbesc($data["pubkey"]),
 256                                 intval($contact["id"]));
 257                 }
 258         }
 259
 260         /**
 261          * @brief Do some repairs in database entries
 262          *
 263          */
 264         private static function repairDatabase()
 265         {
 266                 // Sometimes there seem to be issues where the "self" contact vanishes.
 267                 // We haven't found the origin of the problem by now.
 268                 $r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
 269                 if (DBM::is_result($r)) {
 270                         foreach ($r AS $user) {
 271                                 logger('Create missing self contact for user ' . $user['uid']);
 272                                 Contact::createSelfFromUserId($user['uid']);
 273                         }
 274                 }
 275
 276                 // Set the parent if it wasn't set. (Shouldn't happen - but does sometimes)
 277                 // This call is very "cheap" so we can do it at any time without a problem
 278                 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");
 279
 280                 // There was an issue where the nick vanishes from the contact table
 281                 q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
 282
 283                 // Update the global contacts for local users
 284                 $r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
 285                 if (DBM::is_result($r)) {
 286                         foreach ($r AS $user) {
 287                                 GContact::updateForUser($user["uid"]);
 288                         }
 289                 }
 290
 291                 /// @todo
 292                 /// - remove thread entries without item
 293                 /// - remove sign entries without item
 294                 /// - remove children when parent got lost
 295                 /// - set contact-id in item when not present
 296         }
 297 }