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\GlobalContact;
  14 use Friendica\Network\Probe;
  15 use Friendica\Object\Contact;
  16 use Friendica\Protocol\PortableContact;
  17 use dba;
  18
  19 class CronJobs
  20 {
  21         public static function execute($command = '')
  22         {
  23                 global $a;
  24
  25                 require_once 'include/datetime.php';
  26                 require_once 'include/post_update.php';
  27                 require_once 'mod/nodeinfo.php';
  28                 require_once 'include/photos.php';
  29
  30                 // No parameter set? So return
  31                 if ($command == '') {
  32                         return;
  33                 }
  34
  35                 logger("Starting cronjob " . $command, LOGGER_DEBUG);
  36
  37                 // Call possible post update functions
  38                 // see include/post_update.php for more details
  39                 if ($command == 'post_update') {
  40                         post_update();
  41                         return;
  42                 }
  43
  44                 // update nodeinfo data
  45                 if ($command == 'nodeinfo') {
  46                         nodeinfo_cron();
  47                         return;
  48                 }
  49
  50                 // Expire and remove user entries
  51                 if ($command == 'expire_and_remove_users') {
  52                         self::expireAndRemoveUsers();
  53                         return;
  54                 }
  55
  56                 if ($command == 'update_contact_birthdays') {
  57                         update_contact_birthdays();
  58                         return;
  59                 }
  60
  61                 if ($command == 'update_photo_albums') {
  62                         self::updatePhotoAlbums();
  63                         return;
  64                 }
  65
  66                 // Clear cache entries
  67                 if ($command == 'clear_cache') {
  68                         self::clearCache($a);
  69                         return;
  70                 }
  71
  72                 // Repair missing Diaspora values in contacts
  73                 if ($command == 'repair_diaspora') {
  74                         self::repairDiaspora($a);
  75                         return;
  76                 }
  77
  78                 // Repair entries in the database
  79                 if ($command == 'repair_database') {
  80                         self::repairDatabase();
  81                         return;
  82                 }
  83
  84                 logger("Xronjob " . $command . " is unknown.", LOGGER_DEBUG);
  85
  86                 return;
  87         }
  88
  89         /**
  90          * @brief Update the cached values for the number of photo albums per user
  91          */
  92         private static function updatePhotoAlbums()
  93         {
  94                 $r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
  95                 if (!DBM::is_result($r)) {
  96                         return;
  97                 }
  98
  99                 foreach ($r AS $user) {
 100                         photo_albums($user['uid'], true);
 101                 }
 102         }
 103
 104         /**
 105          * @brief Expire and remove user entries
 106          */
 107         private static function expireAndRemoveUsers()
 108         {
 109                 // expire any expired accounts
 110                 q("UPDATE user SET `account_expired` = 1 where `account_expired` = 0
 111                         AND `account_expires_on` > '%s'
 112                         AND `account_expires_on` < UTC_TIMESTAMP()", dbesc(NULL_DATE));
 113
 114                 // delete user records for recently removed accounts
 115                 $r = q("SELECT * FROM `user` WHERE `account_removed` AND `account_expires_on` < UTC_TIMESTAMP() - INTERVAL 3 DAY");
 116                 if (DBM::is_result($r)) {
 117                         foreach ($r as $user) {
 118                                 dba::delete('user', array('uid' => $user['uid']));
 119                         }
 120                 }
 121         }
 122
 123         /**
 124          * @brief Clear cache entries
 125          *
 126          * @param App $a
 127          */
 128         private static function clearCache(App $a)
 129         {
 130                 $last = Config::get('system', 'cache_last_cleared');
 131
 132                 if ($last) {
 133                         $next = $last + (3600); // Once per hour
 134                         $clear_cache = ($next <= time());
 135                 } else {
 136                         $clear_cache = true;
 137                 }
 138
 139                 if (!$clear_cache) {
 140                         return;
 141                 }
 142
 143                 // clear old cache
 144                 Cache::clear();
 145
 146                 // clear old item cache files
 147                 clear_cache();
 148
 149                 // clear cache for photos
 150                 clear_cache($a->get_basepath(), $a->get_basepath() . "/photo");
 151
 152                 // clear smarty cache
 153                 clear_cache($a->get_basepath() . "/view/smarty3/compiled", $a->get_basepath() . "/view/smarty3/compiled");
 154
 155                 // clear cache for image proxy
 156                 if (!Config::get("system", "proxy_disabled")) {
 157                         clear_cache($a->get_basepath(), $a->get_basepath() . "/proxy");
 158
 159                         $cachetime = Config::get('system', 'proxy_cache_time');
 160                         if (!$cachetime) {
 161                                 $cachetime = PROXY_DEFAULT_TIME;
 162                         }
 163                         $condition = array('`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime);
 164                         dba::delete('photo', $condition);
 165                 }
 166
 167                 // Delete the cached OEmbed entries that are older than three month
 168                 dba::delete('oembed', array("`created` < NOW() - INTERVAL 3 MONTH"));
 169
 170                 // Delete the cached "parse_url" entries that are older than three month
 171                 dba::delete('parsed_url', array("`created` < NOW() - INTERVAL 3 MONTH"));
 172
 173                 // Maximum table size in megabyte
 174                 $max_tablesize = intval(Config::get('system', 'optimize_max_tablesize')) * 1000000;
 175                 if ($max_tablesize == 0) {
 176                         $max_tablesize = 100 * 1000000; // Default are 100 MB
 177                 }
 178                 if ($max_tablesize > 0) {
 179                         // Minimum fragmentation level in percent
 180                         $fragmentation_level = intval(Config::get('system', 'optimize_fragmentation')) / 100;
 181                         if ($fragmentation_level == 0) {
 182                                 $fragmentation_level = 0.3; // Default value is 30%
 183                         }
 184
 185                         // Optimize some tables that need to be optimized
 186                         $r = q("SHOW TABLE STATUS");
 187                         foreach ($r as $table) {
 188
 189                                 // Don't optimize tables that are too large
 190                                 if ($table["Data_length"] > $max_tablesize) {
 191                                         continue;
 192                                 }
 193
 194                                 // Don't optimize empty tables
 195                                 if ($table["Data_length"] == 0) {
 196                                         continue;
 197                                 }
 198
 199                                 // Calculate fragmentation
 200                                 $fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
 201
 202                                 logger("Table " . $table["Name"] . " - Fragmentation level: " . round($fragmentation * 100, 2), LOGGER_DEBUG);
 203
 204                                 // Don't optimize tables that needn't to be optimized
 205                                 if ($fragmentation < $fragmentation_level) {
 206                                         continue;
 207                                 }
 208
 209                                 // So optimize it
 210                                 logger("Optimize Table " . $table["Name"], LOGGER_DEBUG);
 211                                 q("OPTIMIZE TABLE `%s`", dbesc($table["Name"]));
 212                         }
 213                 }
 214
 215                 Config::set('system', 'cache_last_cleared', time());
 216         }
 217
 218         /**
 219          * @brief Repair missing values in Diaspora contacts
 220          *
 221          * @param App $a
 222          */
 223         private static function repairDiaspora(App $a)
 224         {
 225                 $starttime = time();
 226
 227                 $r = q("SELECT `id`, `url` FROM `contact`
 228                         WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
 229                                 ORDER BY RAND() LIMIT 50", dbesc(NETWORK_DIASPORA));
 230                 if (!DBM::is_result($r)) {
 231                         return;
 232                 }
 233
 234                 foreach ($r AS $contact) {
 235                         // Quit the loop after 3 minutes
 236                         if (time() > ($starttime + 180)) {
 237                                 return;
 238                         }
 239
 240                         if (!PortableContact::reachable($contact["url"])) {
 241                                 continue;
 242                         }
 243
 244                         $data = Probe::uri($contact["url"]);
 245                         if ($data["network"] != NETWORK_DIASPORA) {
 246                                 continue;
 247                         }
 248
 249                         logger("Repair contact " . $contact["id"] . " " . $contact["url"], LOGGER_DEBUG);
 250                         q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
 251                                 dbesc($data["batch"]), dbesc($data["notify"]), dbesc($data["poll"]), dbesc($data["pubkey"]),
 252                                 intval($contact["id"]));
 253                 }
 254         }
 255
 256         /**
 257          * @brief Do some repairs in database entries
 258          *
 259          */
 260         private static function repairDatabase()
 261         {
 262                 // Sometimes there seem to be issues where the "self" contact vanishes.
 263                 // We haven't found the origin of the problem by now.
 264                 $r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
 265                 if (DBM::is_result($r)) {
 266                         foreach ($r AS $user) {
 267                                 logger('Create missing self contact for user ' . $user['uid']);
 268                                 Contact::createSelfFromUserId($user['uid']);
 269                         }
 270                 }
 271
 272                 // Set the parent if it wasn't set. (Shouldn't happen - but does sometimes)
 273                 // This call is very "cheap" so we can do it at any time without a problem
 274                 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");
 275
 276                 // There was an issue where the nick vanishes from the contact table
 277                 q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
 278
 279                 // Update the global contacts for local users
 280                 $r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
 281                 if (DBM::is_result($r)) {
 282                         foreach ($r AS $user) {
 283                                 GlobalContact::updateForUser($user["uid"]);
 284                         }
 285                 }
 286
 287                 /// @todo
 288                 /// - remove thread entries without item
 289                 /// - remove sign entries without item
 290                 /// - remove children when parent got lost
 291                 /// - set contact-id in item when not present
 292         }
 293 }