src/Worker/CronJobs.php

   1 <?php
   2
   3 /**
   4  * @file src/worker/CronJobs.php
   5  */
   6
   7 namespace Friendica\Worker;
   8
   9 use Friendica\App;
  10 use Friendica\Core\Cache;
  11 use Friendica\Core\Config;
  12 use Friendica\Database\DBM;
  13 use Friendica\Model\Contact;
  14 use Friendica\Model\GContact;
  15 use Friendica\Model\Photo;
  16 use Friendica\Network\Probe;
  17 use Friendica\Protocol\PortableContact;
  18 use dba;
  19
  20 require_once 'include/dba.php';
  21 require_once 'include/post_update.php';
  22 require_once 'mod/nodeinfo.php';
  23
  24 class CronJobs
  25 {
  26         public static function execute($command = '')
  27         {
  28                 global $a;
  29
  30                 require_once 'include/datetime.php';
  31                 require_once 'include/post_update.php';
  32                 require_once 'mod/nodeinfo.php';
  33
  34                 // No parameter set? So return
  35                 if ($command == '') {
  36                         return;
  37                 }
  38
  39                 logger("Starting cronjob " . $command, LOGGER_DEBUG);
  40
  41                 // Call possible post update functions
  42                 // see include/post_update.php for more details
  43                 if ($command == 'post_update') {
  44                         post_update();
  45                         return;
  46                 }
  47
  48                 // update nodeinfo data
  49                 if ($command == 'nodeinfo') {
  50                         nodeinfo_cron();
  51                         return;
  52                 }
  53
  54                 // Expire and remove user entries
  55                 if ($command == 'expire_and_remove_users') {
  56                         self::expireAndRemoveUsers();
  57                         return;
  58                 }
  59
  60                 if ($command == 'update_contact_birthdays') {
  61                         update_contact_birthdays();
  62                         return;
  63                 }
  64
  65                 if ($command == 'update_photo_albums') {
  66                         self::updatePhotoAlbums();
  67                         return;
  68                 }
  69
  70                 // Clear cache entries
  71                 if ($command == 'clear_cache') {
  72                         self::clearCache($a);
  73                         return;
  74                 }
  75
  76                 // Repair missing Diaspora values in contacts
  77                 if ($command == 'repair_diaspora') {
  78                         self::repairDiaspora($a);
  79                         return;
  80                 }
  81
  82                 // Repair entries in the database
  83                 if ($command == 'repair_database') {
  84                         self::repairDatabase();
  85                         return;
  86                 }
  87
  88                 logger("Xronjob " . $command . " is unknown.", LOGGER_DEBUG);
  89
  90                 return;
  91         }
  92
  93         /**
  94          * @brief Update the cached values for the number of photo albums per user
  95          */
  96         private static function updatePhotoAlbums()
  97         {
  98                 $r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
  99                 if (!DBM::is_result($r)) {
 100                         return;
 101                 }
 102
 103                 foreach ($r as $user) {
 104                         Photo::clearAlbumCache($user['uid']);
 105                 }
 106         }
 107
 108         /**
 109          * @brief Expire and remove user entries
 110          */
 111         private static function expireAndRemoveUsers()
 112         {
 113                 // expire any expired accounts
 114                 q("UPDATE user SET `account_expired` = 1 where `account_expired` = 0
 115                         AND `account_expires_on` > '%s'
 116                         AND `account_expires_on` < UTC_TIMESTAMP()", dbesc(NULL_DATE));
 117
 118                 // delete user records for recently removed accounts
 119                 $r = q("SELECT * FROM `user` WHERE `account_removed` AND `account_expires_on` < UTC_TIMESTAMP() - INTERVAL 3 DAY");
 120                 if (DBM::is_result($r)) {
 121                         foreach ($r as $user) {
 122                                 dba::delete('user', array('uid' => $user['uid']));
 123                         }
 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 = array('`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', array("`created` < NOW() - INTERVAL 3 MONTH"));
 173
 174                 // Delete the cached "parse_url" entries that are older than three month
 175                 dba::delete('parsed_url', array("`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 }