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