src/Worker/CronJobs.php

   1 <?php
   2 /**
   3  * @file src/worker/CronJobs.php
   4  */
   5
   6 namespace Friendica\Worker;
   7
   8 use Friendica\App;
   9 use Friendica\Core\Cache;
  10 use Friendica\Core\Config;
  11 use Friendica\Database\DBM;
  12 use Friendica\Model\GlobalContact;
  13 use Friendica\Network\Probe;
  14 use Friendica\Protocol\PortableContact;
  15 use dba;
  16
  17 class CronJobs {
  18         public static function execute($command = ''){
  19                 global $a;
  20
  21                 require_once 'include/datetime.php';
  22                 require_once 'include/post_update.php';
  23                 require_once 'mod/nodeinfo.php';
  24                 require_once 'include/photos.php';
  25                 require_once 'include/user.php';
  26
  27                 // No parameter set? So return
  28                 if ($command == '') {
  29                         return;
  30                 }
  31
  32                 logger("Starting cronjob ".$command, LOGGER_DEBUG);
  33
  34                 // Call possible post update functions
  35                 // see include/post_update.php for more details
  36                 if ($command == 'post_update') {
  37                         post_update();
  38                         return;
  39                 }
  40
  41                 // update nodeinfo data
  42                 if ($command == 'nodeinfo') {
  43                         nodeinfo_cron();
  44                         return;
  45                 }
  46
  47                 // Expire and remove user entries
  48                 if ($command == 'expire_and_remove_users') {
  49                         self::expireAndRemoveUsers();
  50                         return;
  51                 }
  52
  53                 if ($command == 'update_contact_birthdays') {
  54                         update_contact_birthdays();
  55                         return;
  56                 }
  57
  58                 if ($command == 'update_photo_albums') {
  59                         self::updatePhotoAlbums();
  60                         return;
  61                 }
  62
  63                 // Clear cache entries
  64                 if ($command == 'clear_cache') {
  65                         self::clearCache($a);
  66                         return;
  67                 }
  68
  69                 // Repair missing Diaspora values in contacts
  70                 if ($command == 'repair_diaspora') {
  71                         self::repairDiaspora($a);
  72                         return;
  73                 }
  74
  75                 // Repair entries in the database
  76                 if ($command == 'repair_database') {
  77                         self::repairDatabase();
  78                         return;
  79                 }
  80
  81                 logger("Xronjob ".$command." is unknown.", LOGGER_DEBUG);
  82
  83                 return;
  84         }
  85
  86         /**
  87          * @brief Update the cached values for the number of photo albums per user
  88          */
  89         private static function updatePhotoAlbums() {
  90                 $r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
  91                 if (!DBM::is_result($r)) {
  92                         return;
  93                 }
  94
  95                 foreach ($r AS $user) {
  96                         photo_albums($user['uid'], true);
  97                 }
  98         }
  99
 100         /**
 101          * @brief Expire and remove user entries
 102          */
 103         private static function expireAndRemoveUsers() {
 104                 // expire any expired accounts
 105                 q("UPDATE user SET `account_expired` = 1 where `account_expired` = 0
 106                         AND `account_expires_on` > '%s'
 107                         AND `account_expires_on` < UTC_TIMESTAMP()", dbesc(NULL_DATE));
 108
 109                 // delete user records for recently removed accounts
 110                 $r = q("SELECT * FROM `user` WHERE `account_removed` AND `account_expires_on` < UTC_TIMESTAMP() - INTERVAL 3 DAY");
 111                 if (DBM::is_result($r)) {
 112                         foreach ($r as $user) {
 113                                 dba::delete('user', array('uid' => $user['uid']));
 114                         }
 115                 }
 116         }
 117
 118         /**
 119          * @brief Clear cache entries
 120          *
 121          * @param App $a
 122          */
 123         private static function clearCache(App $a) {
 124
 125                 $last = Config::get('system','cache_last_cleared');
 126
 127                 if ($last) {
 128                         $next = $last + (3600); // Once per hour
 129                         $clear_cache = ($next <= time());
 130                 } else {
 131                         $clear_cache = true;
 132                 }
 133
 134                 if (!$clear_cache) {
 135                         return;
 136                 }
 137
 138                 // clear old cache
 139                 Cache::clear();
 140
 141                 // clear old item cache files
 142                 clear_cache();
 143
 144                 // clear cache for photos
 145                 clear_cache($a->get_basepath(), $a->get_basepath()."/photo");
 146
 147                 // clear smarty cache
 148                 clear_cache($a->get_basepath()."/view/smarty3/compiled", $a->get_basepath()."/view/smarty3/compiled");
 149
 150                 // clear cache for image proxy
 151                 if (!Config::get("system", "proxy_disabled")) {
 152                         clear_cache($a->get_basepath(), $a->get_basepath()."/proxy");
 153
 154                         $cachetime = Config::get('system','proxy_cache_time');
 155                         if (!$cachetime) {
 156                                 $cachetime = PROXY_DEFAULT_TIME;
 157                         }
 158                         $condition = array('`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime);
 159                         dba::delete('photo', $condition);
 160                 }
 161
 162                 // Delete the cached OEmbed entries that are older than three month
 163                 dba::delete('oembed', array("`created` < NOW() - INTERVAL 3 MONTH"));
 164
 165                 // Delete the cached "parse_url" entries that are older than three month
 166                 dba::delete('parsed_url', array("`created` < NOW() - INTERVAL 3 MONTH"));
 167
 168                 // Maximum table size in megabyte
 169                 $max_tablesize = intval(Config::get('system','optimize_max_tablesize')) * 1000000;
 170                 if ($max_tablesize == 0) {
 171                         $max_tablesize = 100 * 1000000; // Default are 100 MB
 172                 }
 173                 if ($max_tablesize > 0) {
 174                         // Minimum fragmentation level in percent
 175                         $fragmentation_level = intval(Config::get('system','optimize_fragmentation')) / 100;
 176                         if ($fragmentation_level == 0) {
 177                                 $fragmentation_level = 0.3; // Default value is 30%
 178                         }
 179
 180                         // Optimize some tables that need to be optimized
 181                         $r = q("SHOW TABLE STATUS");
 182                         foreach ($r as $table) {
 183
 184                                 // Don't optimize tables that are too large
 185                                 if ($table["Data_length"] > $max_tablesize) {
 186                                         continue;
 187                                 }
 188
 189                                 // Don't optimize empty tables
 190                                 if ($table["Data_length"] == 0) {
 191                                         continue;
 192                                 }
 193
 194                                 // Calculate fragmentation
 195                                 $fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
 196
 197                                 logger("Table ".$table["Name"]." - Fragmentation level: ".round($fragmentation * 100, 2), LOGGER_DEBUG);
 198
 199                                 // Don't optimize tables that needn't to be optimized
 200                                 if ($fragmentation < $fragmentation_level) {
 201                                         continue;
 202                                 }
 203
 204                                 // So optimize it
 205                                 logger("Optimize Table ".$table["Name"], LOGGER_DEBUG);
 206                                 q("OPTIMIZE TABLE `%s`", dbesc($table["Name"]));
 207                         }
 208                 }
 209
 210                 Config::set('system','cache_last_cleared', time());
 211         }
 212
 213         /**
 214          * @brief Repair missing values in Diaspora contacts
 215          *
 216          * @param App $a
 217          */
 218         private static function repairDiaspora(App $a) {
 219
 220                 $starttime = time();
 221
 222                 $r = q("SELECT `id`, `url` FROM `contact`
 223                         WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
 224                                 ORDER BY RAND() LIMIT 50", dbesc(NETWORK_DIASPORA));
 225                 if (!DBM::is_result($r)) {
 226                         return;
 227                 }
 228
 229                 foreach ($r AS $contact) {
 230                         // Quit the loop after 3 minutes
 231                         if (time() > ($starttime + 180)) {
 232                                 return;
 233                         }
 234
 235                         if (!PortableContact::reachable($contact["url"])) {
 236                                 continue;
 237                         }
 238
 239                         $data = Probe::uri($contact["url"]);
 240                         if ($data["network"] != NETWORK_DIASPORA) {
 241                                 continue;
 242                         }
 243
 244                         logger("Repair contact ".$contact["id"]." ".$contact["url"], LOGGER_DEBUG);
 245                         q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
 246                                 dbesc($data["batch"]), dbesc($data["notify"]), dbesc($data["poll"]), dbesc($data["pubkey"]),
 247                                 intval($contact["id"]));
 248                 }
 249         }
 250
 251         /**
 252          * @brief Do some repairs in database entries
 253          *
 254          */
 255         private static function repairDatabase() {
 256
 257                 // Sometimes there seem to be issues where the "self" contact vanishes.
 258                 // We haven't found the origin of the problem by now.
 259                 $r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
 260                 if (DBM::is_result($r)) {
 261                         foreach ($r AS $user) {
 262                                 logger('Create missing self contact for user '.$user['uid']);
 263                                 user_create_self_contact($user['uid']);
 264                         }
 265                 }
 266
 267                 // Set the parent if it wasn't set. (Shouldn't happen - but does sometimes)
 268                 // This call is very "cheap" so we can do it at any time without a problem
 269                 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");
 270
 271                 // There was an issue where the nick vanishes from the contact table
 272                 q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
 273
 274                 // Update the global contacts for local users
 275                 $r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
 276                 if (DBM::is_result($r)) {
 277                         foreach ($r AS $user) {
 278                                 GlobalContact::updateForUser($user["uid"]);
 279                         }
 280                 }
 281
 282                 /// @todo
 283                 /// - remove thread entries without item
 284                 /// - remove sign entries without item
 285                 /// - remove children when parent got lost
 286                 /// - set contact-id in item when not present
 287         }
 288 }