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