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\Core\Logger;
  12 use Friendica\Core\Protocol;
  13 use Friendica\Database\DBA;
  14 use Friendica\Database\PostUpdate;
  15 use Friendica\Model\Contact;
  16 use Friendica\Model\GContact;
  17 use Friendica\Model\Photo;
  18 use Friendica\Model\User;
  19 use Friendica\Network\Probe;
  20 use Friendica\Protocol\PortableContact;
  21 use Friendica\Util\Proxy as ProxyUtils;
  22
  23 require_once 'include/dba.php';
  24 require_once 'mod/nodeinfo.php';
  25
  26 class CronJobs
  27 {
  28         public static function execute($command = '')
  29         {
  30                 $a = BaseObject::getApp();
  31
  32                 // No parameter set? So return
  33                 if ($command == '') {
  34                         return;
  35                 }
  36
  37                 Logger::log("Starting cronjob " . $command, Logger::DEBUG);
  38
  39                 // Call possible post update functions
  40                 // see src/Database/PostUpdate.php for more details
  41                 if ($command == 'post_update') {
  42                         PostUpdate::update();
  43                         return;
  44                 }
  45
  46                 // update nodeinfo data
  47                 if ($command == 'nodeinfo') {
  48                         nodeinfo_cron();
  49                         return;
  50                 }
  51
  52                 // Expire and remove user entries
  53                 if ($command == 'expire_and_remove_users') {
  54                         self::expireAndRemoveUsers();
  55                         return;
  56                 }
  57
  58                 if ($command == 'update_contact_birthdays') {
  59                         Contact::updateBirthdays();
  60                         return;
  61                 }
  62
  63                 if ($command == 'update_photo_albums') {
  64                         self::updatePhotoAlbums();
  65                         return;
  66                 }
  67
  68                 // Clear cache entries
  69                 if ($command == 'clear_cache') {
  70                         self::clearCache($a);
  71                         return;
  72                 }
  73
  74                 // Repair missing Diaspora values in contacts
  75                 if ($command == 'repair_diaspora') {
  76                         self::repairDiaspora($a);
  77                         return;
  78                 }
  79
  80                 // Repair entries in the database
  81                 if ($command == 'repair_database') {
  82                         self::repairDatabase();
  83                         return;
  84                 }
  85
  86                 Logger::log("Xronjob " . $command . " is unknown.", Logger::DEBUG);
  87
  88                 return;
  89         }
  90
  91         /**
  92          * @brief Update the cached values for the number of photo albums per user
  93          */
  94         private static function updatePhotoAlbums()
  95         {
  96                 $r = q("SELECT `uid` FROM `user` WHERE NOT `account_expired` AND NOT `account_removed`");
  97                 if (!DBA::isResult($r)) {
  98                         return;
  99                 }
 100
 101                 foreach ($r as $user) {
 102                         Photo::clearAlbumCache($user['uid']);
 103                 }
 104         }
 105
 106         /**
 107          * @brief Expire and remove user entries
 108          */
 109         private static function expireAndRemoveUsers()
 110         {
 111                 // expire any expired regular accounts. Don't expire forums.
 112                 $condition = ["NOT `account_expired` AND `account_expires_on` > ? AND `account_expires_on` < UTC_TIMESTAMP() AND `page-flags` = 0", DBA::NULL_DATETIME];
 113                 DBA::update('user', ['account_expired' => true], $condition);
 114
 115                 // Remove any freshly expired account
 116                 $users = DBA::select('user', ['uid'], ['account_expired' => true, 'account_removed' => false]);
 117                 while ($user = DBA::fetch($users)) {
 118                         User::remove($user['uid']);
 119                 }
 120
 121                 // delete user records for recently removed accounts
 122                 $users = DBA::select('user', ['uid'], ["`account_removed` AND `account_expires_on` < UTC_TIMESTAMP() "]);
 123                 while ($user = DBA::fetch($users)) {
 124                         // Delete the contacts of this user
 125                         $self = DBA::selectFirst('contact', ['nurl'], ['self' => true, 'uid' => $user['uid']]);
 126                         if (DBA::isResult($self)) {
 127                                 DBA::delete('contact', ['nurl' => $self['nurl'], 'self' => false]);
 128                         }
 129
 130                         DBA::delete('user', ['uid' => $user['uid']]);
 131                 }
 132         }
 133
 134         /**
 135          * @brief Clear cache entries
 136          *
 137          * @param App $a
 138          */
 139         private static function clearCache(App $a)
 140         {
 141                 $last = Config::get('system', 'cache_last_cleared');
 142
 143                 if ($last) {
 144                         $next = $last + (3600); // Once per hour
 145                         $clear_cache = ($next <= time());
 146                 } else {
 147                         $clear_cache = true;
 148                 }
 149
 150                 if (!$clear_cache) {
 151                         return;
 152                 }
 153
 154                 // clear old cache
 155                 Cache::clear();
 156
 157                 // clear old item cache files
 158                 clear_cache();
 159
 160                 // clear cache for photos
 161                 clear_cache($a->getBasePath(), $a->getBasePath() . "/photo");
 162
 163                 // clear smarty cache
 164                 clear_cache($a->getBasePath() . "/view/smarty3/compiled", $a->getBasePath() . "/view/smarty3/compiled");
 165
 166                 // clear cache for image proxy
 167                 if (!Config::get("system", "proxy_disabled")) {
 168                         clear_cache($a->getBasePath(), $a->getBasePath() . "/proxy");
 169
 170                         $cachetime = Config::get('system', 'proxy_cache_time');
 171
 172                         if (!$cachetime) {
 173                                 $cachetime = ProxyUtils::DEFAULT_TIME;
 174                         }
 175
 176                         $condition = ['`uid` = 0 AND `resource-id` LIKE "pic:%" AND `created` < NOW() - INTERVAL ? SECOND', $cachetime];
 177                         DBA::delete('photo', $condition);
 178                 }
 179
 180                 // Delete the cached OEmbed entries that are older than three month
 181                 DBA::delete('oembed', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 182
 183                 // Delete the cached "parse_url" entries that are older than three month
 184                 DBA::delete('parsed_url', ["`created` < NOW() - INTERVAL 3 MONTH"]);
 185
 186                 // Maximum table size in megabyte
 187                 $max_tablesize = intval(Config::get('system', 'optimize_max_tablesize')) * 1000000;
 188                 if ($max_tablesize == 0) {
 189                         $max_tablesize = 100 * 1000000; // Default are 100 MB
 190                 }
 191                 if ($max_tablesize > 0) {
 192                         // Minimum fragmentation level in percent
 193                         $fragmentation_level = intval(Config::get('system', 'optimize_fragmentation')) / 100;
 194                         if ($fragmentation_level == 0) {
 195                                 $fragmentation_level = 0.3; // Default value is 30%
 196                         }
 197
 198                         // Optimize some tables that need to be optimized
 199                         $r = q("SHOW TABLE STATUS");
 200                         foreach ($r as $table) {
 201
 202                                 // Don't optimize tables that are too large
 203                                 if ($table["Data_length"] > $max_tablesize) {
 204                                         continue;
 205                                 }
 206
 207                                 // Don't optimize empty tables
 208                                 if ($table["Data_length"] == 0) {
 209                                         continue;
 210                                 }
 211
 212                                 // Calculate fragmentation
 213                                 $fragmentation = $table["Data_free"] / ($table["Data_length"] + $table["Index_length"]);
 214
 215                                 Logger::log("Table " . $table["Name"] . " - Fragmentation level: " . round($fragmentation * 100, 2), Logger::DEBUG);
 216
 217                                 // Don't optimize tables that needn't to be optimized
 218                                 if ($fragmentation < $fragmentation_level) {
 219                                         continue;
 220                                 }
 221
 222                                 // So optimize it
 223                                 Logger::log("Optimize Table " . $table["Name"], Logger::DEBUG);
 224                                 q("OPTIMIZE TABLE `%s`", DBA::escape($table["Name"]));
 225                         }
 226                 }
 227
 228                 Config::set('system', 'cache_last_cleared', time());
 229         }
 230
 231         /**
 232          * @brief Repair missing values in Diaspora contacts
 233          *
 234          * @param App $a
 235          */
 236         private static function repairDiaspora(App $a)
 237         {
 238                 $starttime = time();
 239
 240                 $r = q("SELECT `id`, `url` FROM `contact`
 241                         WHERE `network` = '%s' AND (`batch` = '' OR `notify` = '' OR `poll` = '' OR pubkey = '')
 242                                 ORDER BY RAND() LIMIT 50", DBA::escape(Protocol::DIASPORA));
 243                 if (!DBA::isResult($r)) {
 244                         return;
 245                 }
 246
 247                 foreach ($r as $contact) {
 248                         // Quit the loop after 3 minutes
 249                         if (time() > ($starttime + 180)) {
 250                                 return;
 251                         }
 252
 253                         if (!PortableContact::reachable($contact["url"])) {
 254                                 continue;
 255                         }
 256
 257                         $data = Probe::uri($contact["url"]);
 258                         if ($data["network"] != Protocol::DIASPORA) {
 259                                 continue;
 260                         }
 261
 262                         Logger::log("Repair contact " . $contact["id"] . " " . $contact["url"], Logger::DEBUG);
 263                         q("UPDATE `contact` SET `batch` = '%s', `notify` = '%s', `poll` = '%s', pubkey = '%s' WHERE `id` = %d",
 264                                 DBA::escape($data["batch"]), DBA::escape($data["notify"]), DBA::escape($data["poll"]), DBA::escape($data["pubkey"]),
 265                                 intval($contact["id"]));
 266                 }
 267         }
 268
 269         /**
 270          * @brief Do some repairs in database entries
 271          *
 272          */
 273         private static function repairDatabase()
 274         {
 275                 // Sometimes there seem to be issues where the "self" contact vanishes.
 276                 // We haven't found the origin of the problem by now.
 277                 $r = q("SELECT `uid` FROM `user` WHERE NOT EXISTS (SELECT `uid` FROM `contact` WHERE `contact`.`uid` = `user`.`uid` AND `contact`.`self`)");
 278                 if (DBA::isResult($r)) {
 279                         foreach ($r AS $user) {
 280                                 Logger::log('Create missing self contact for user ' . $user['uid']);
 281                                 Contact::createSelfFromUserId($user['uid']);
 282                         }
 283                 }
 284
 285                 // There was an issue where the nick vanishes from the contact table
 286                 q("UPDATE `contact` INNER JOIN `user` ON `contact`.`uid` = `user`.`uid` SET `nick` = `nickname` WHERE `self` AND `nick`=''");
 287
 288                 // Update the global contacts for local users
 289                 $r = q("SELECT `uid` FROM `user` WHERE `verified` AND NOT `blocked` AND NOT `account_removed` AND NOT `account_expired`");
 290                 if (DBA::isResult($r)) {
 291                         foreach ($r AS $user) {
 292                                 GContact::updateForUser($user["uid"]);
 293                         }
 294                 }
 295
 296                 /// @todo
 297                 /// - remove thread entries without item
 298                 /// - remove sign entries without item
 299                 /// - remove children when parent got lost
 300                 /// - set contact-id in item when not present
 301         }
 302 }