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