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-rw-r--r--lib/cronjobs/garbage_collector.class.php199
1 files changed, 0 insertions, 199 deletions
diff --git a/lib/cronjobs/garbage_collector.class.php b/lib/cronjobs/garbage_collector.class.php
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--- a/lib/cronjobs/garbage_collector.class.php
+++ /dev/null
@@ -1,199 +0,0 @@
-<?php
-/**
-* garbage_collector.class.php
-*
-* @author André Noack <noack@data-quest.de>, Suchi & Berg GmbH <info@data-quest.de>
-* @access public
-* @since 2.4
-*/
-require_once 'lib/classes/CronJob.class.php';
-
-class GarbageCollectorJob extends CronJob
-{
-
- public static function getName()
- {
- return _('Datenbank bereinigen');
- }
-
- public static function getDescription()
- {
- return _('Entfernt endgültig gelöschte Nachrichten, nicht zugehörige Dateianhänge, abgelaufene Ankündigungen, '
- . 'alte Aktivitäten, veraltete Plugin-Assets sowie veraltete OAuth-Servernonces und abgelaufene '
- . 'Terminblöcke');
- }
-
- public static function getParameters()
- {
- return [
- 'verbose' => [
- 'type' => 'boolean',
- 'default' => false,
- 'status' => 'optional',
- 'description' => _('Sollen Ausgaben erzeugt werden (sind später im Log des Cronjobs sichtbar)'),
- ],
- 'news_deletion_days' => [
- 'type' => 'integer',
- 'default' => 365,
- 'status' => 'optional',
- 'description' => _('(Ankündigungen): Nach wie vielen Tagen sollen die abgelaufenen '
- .'Ankündigungen gelöscht werden (0 für Zeitpunkt des Ablaufdatums, Default: 365 Tage)?'),
- ],
- 'message_deletion_days' => [
- 'type' => 'integer',
- 'default' => 30,
- 'status' => 'optional',
- 'description' => _('(Systemnachrichten): Nach wie vielen Tagen sollen die '
- .'Systemnachrichten gelöscht werden (0 für sofort, Default: 30 Tage)?'),
- ],
- ];
- }
-
- public function execute($last_result, $parameters = [])
- {
- $db = DBManager::get();
-
- if ($parameters['verbose']) {
- $message_count_before = DBManager::get()->fetchColumn("SELECT COUNT(*) FROM `message`");
- }
-
- // delete outdated news
- if (Config::get()->NEWS_DISABLE_GARBAGE_COLLECT) {
- $news_deletion_days = false;
- } else {
- $news_deletion_days = $parameters['news_deletion_days'] * 86400;
- }
- $deleted_news = StudipNews::DoGarbageCollect($news_deletion_days);
-
- // delete messages
- $query = "DELETE `message`, `message_user`, `message_tags`
- FROM `message`
- RIGHT JOIN (
- SELECT `message_id`
- FROM `message_user`
- GROUP BY `message_id`
- HAVING COUNT(`message_id`) = SUM(`deleted`)
- ) AS tmp USING (`message_id`)
- LEFT JOIN `message_user` USING (`message_id`)
- LEFT JOIN `message_tags` USING (`message_id`)";
- DBManager::get()->execute($query);
-
- // delete system messages
- $query = "DELETE `message`, `message_user`, `message_tags`
- FROM `message`
- LEFT JOIN `message_user` USING (`message_id`)
- LEFT JOIN `message_tags` USING (`message_id`)
- WHERE `autor_id` = '____%system%____'
- AND DATE(FROM_UNIXTIME(`message`.`mkdate`)) + INTERVAL :days DAY < DATE(NOW())";
- DBManager::get()->execute($query, [
- ':days' => $parameters['message_deletion_days'],
- ]);
-
- // Remove outdated opengraph urls
- $query = "DELETE FROM `opengraphdata`
- WHERE `last_update` < UNIX_TIMESTAMP(NOW() - INTERVAL 1 WEEK)";
- DBManager::get()->exec($query);
-
- //delete old attachments of non-sent and deleted messages:
- //A folder is old and not attached to a message when it has the
- //range type 'message', belongs to the folder type 'MessageFolder',
- //is older than 2 hours and has a range-ID that doesn't exist
- //in the "message" table.
- $unsent_attachment_folders = Folder::deleteBySql(
- "folder_type = 'MessageFolder'
- AND
- range_type = 'message'
- AND
- chdate < UNIX_TIMESTAMP(DATE_ADD(NOW(),INTERVAL -2 HOUR))
- AND
- range_id NOT IN (
- SELECT message_id FROM message
- )"
- );
-
- //delete old attachments of non-stored and deleted mvv objects:
- //A folder is old and not attached to a mvv object when it has a mvv
- //range type, belongs to the folder type 'MVVFolder',
- //is older than 2 hours and has a range-ID that doesn't exist.
- $unsent_mvv_folders = Folder::deleteBySql(
- "LEFT JOIN `file_refs` ON (`file_refs`.`folder_id` = `folders`.`id`)
- LEFT JOIN `mvv_files_filerefs` ON (`file_refs`.`id` = `mvv_files_filerefs`.`fileref_id`)
- LEFT JOIN `mvv_files_ranges` USING (`mvvfile_id`)
- WHERE `folders`.`folder_type` = 'MVVFolder'
- AND `folders`.`chdate` < UNIX_TIMESTAMP(DATE_ADD(NOW(),INTERVAL -2 HOUR))
- AND ((`mvv_files_ranges`.`range_type` = 'Studiengang' AND `mvv_files_ranges`.`range_id` NOT IN ( SELECT `studiengang_id` FROM `mvv_studiengang`))
- OR (`mvv_files_ranges`.`range_type` = 'AbschlussKategorie' AND `mvv_files_ranges`.`range_id` NOT IN ( SELECT `kategorie_id` FROM `mvv_abschl_kategorie`))
- OR (`mvv_files_ranges`.`range_type` = 'StgteilVersion' AND `mvv_files_ranges`.`range_id` NOT IN ( SELECT `version_id` FROM `mvv_stgteilversion`)))"
- );
- if ($unsent_mvv_folders) {
- $db->exec("DELETE FROM mvv_files_filerefs WHERE fileref_id NOT IN (SELECT id FROM file_refs)");
- $db->exec("DELETE FROM mvv_files WHERE mvvfile_id NOT IN (SELECT mvvfile_id FROM mvv_files_filerefs)");
- $db->exec("DELETE FROM mvv_files_ranges WHERE mvvfile_id NOT IN (SELECT mvvfile_id FROM mvv_files)");
- }
-
- if ($parameters['verbose']) {
- $message_count_after = DBManager::get()->fetchColumn("SELECT COUNT(*) FROM `message`");
-
- printf(_("Gelöschte Ankündigungen: %u") . "\n", (int)$deleted_news);
- printf(_("Gelöschte Nachrichten: %u") . "\n", $message_count_before - $message_count_after);
- printf(_("Gelöschte Dateianhänge: %u") . "\n", $unsent_attachment_folders);
- printf(_("Gelöschte MVV-Dateien: %u") . "\n", $unsent_mvv_folders);
- }
-
- Token::deleteBySQL('expiration < UNIX_TIMESTAMP()');
- PersonalNotifications::doGarbageCollect();
-
- Studip\Activity\Activity::doGarbageCollect();
-
- // remove old entries from the table "object_user_visits".
- if (Config::get()->NEW_INDICATOR_THRESHOLD) {
- $query = "DELETE FROM `object_user_visits`
- WHERE GREATEST(`visitdate`, `last_visitdate`) < UNIX_TIMESTAMP(NOW() - INTERVAL :expires DAY)";
- $statement = DBManager::get()->prepare($query);
- $statement->bindValue(':expires', (int) Config::get()->NEW_INDICATOR_THRESHOLD, PDO::PARAM_INT);
- $statement->execute();
- }
-
- // Remove outdated entries from forum_visits
- $query = "DELETE FROM `forum_visits`
- WHERE GREATEST(`visitdate`, `last_visitdate`) < UNIX_TIMESTAMP() - :threshold";
- DBManager::get()->execute($query, [
- ':threshold' => ForumVisit::LAST_VISIT_MAX,
- ]);
-
- // clean db cache
- $cache = new StudipDbCache();
- $cache->purge();
-
- // Remove old plugin assets
- PluginAsset::deleteBySQL('chdate < ?', [time() - PluginAsset::CACHE_DURATION]);
-
- // Remove expired oauth server nonces
- $query = "DELETE FROM `oauth_server_nonce`
- WHERE `osn_timestamp` < UNIX_TIMESTAMP(NOW() - INTERVAL 6 HOUR)";
- $removed = DBManager::get()->exec($query);
-
- if ($removed > 0 && $parameters['verbose']) {
- printf(_('Gelöschte Server-Nonces: %u') . "\n", (int)$removed);
- }
-
- // Remove expired consultation slots
- $condition = "LEFT JOIN `consultation_slots` USING (`block_id`)
- JOIN `config_values`
- ON `config_values`.`range_id` = `consultation_blocks`.`range_id`
- AND `field` = 'CONSULTATION_GARBAGE_COLLECT'
- AND `value` = '1'
- GROUP BY `block_id`
- HAVING COUNT(`slot_id`) = SUM(`end_time` < UNIX_TIMESTAMP())";
- $removed = ConsultationBlock::deleteBySQL($condition);
- if ($removed > 0 && $parameters['verbose']) {
- printf(_('Gelöschte Terminblöcke: %u') . "\n", $removed);
- }
-
- // Remove expired tfa tokens
- TFAToken::deleteBySQL(
- 'mkdate < UNIX_TIMESTAMP() - ?',
- [TFASecret::getGreatestValidityDuration()]
- );
- }
-}