home/omtekel/wiki/extensions/AbuseFilter/includes/EditStashCache.php000066600000007113151335034470021651 0ustar00cache = $cache; $this->statsdDataFactory = $statsdDataFactory; $this->variablesManager = $variablesManager; $this->logger = $logger; $this->target = $target; $this->group = $group; } /** * @param VariableHolder $vars For creating the key * @param array $data Data to store */ public function store( VariableHolder $vars, array $data ): void { $key = $this->getStashKey( $vars ); $this->cache->set( $key, $data, BagOStuff::TTL_MINUTE ); $this->logCache( 'store', $key ); } /** * Search the cache to find data for a previous execution done for the current edit. * * @param VariableHolder $vars For creating the key * @return false|array False on cache miss, the array with data otherwise */ public function seek( VariableHolder $vars ) { $key = $this->getStashKey( $vars ); $value = $this->cache->get( $key ); $status = $value !== false ? 'hit' : 'miss'; $this->logCache( $status, $key ); return $value; } /** * Log cache operations related to stashed edits, i.e. store, hit and miss * * @param string $type Either 'store', 'hit' or 'miss' * @param string $key The cache key used * @throws InvalidArgumentException */ private function logCache( string $type, string $key ): void { if ( !in_array( $type, [ 'store', 'hit', 'miss' ] ) ) { // @codeCoverageIgnoreStart throw new InvalidArgumentException( '$type must be either "store", "hit" or "miss"' ); // @codeCoverageIgnoreEnd } $this->logger->debug( __METHOD__ . ": cache {logtype} for '{target}' (key {key}).", [ 'logtype' => $type, 'target' => $this->target, 'key' => $key ] ); $this->statsdDataFactory->increment( "abusefilter.check-stash.$type" ); } /** * Get the stash key for the current variables * * @param VariableHolder $vars * @return string */ private function getStashKey( VariableHolder $vars ): string { $inputVars = $this->variablesManager->exportNonLazyVars( $vars ); // Exclude noisy fields that have superficial changes $excludedVars = [ 'old_html' => true, 'new_html' => true, 'user_age' => true, 'timestamp' => true, 'page_age' => true, 'moved_from_age' => true, 'moved_to_age' => true ]; $inputVars = array_diff_key( $inputVars, $excludedVars ); ksort( $inputVars ); $hash = md5( serialize( $inputVars ) ); return $this->cache->makeKey( 'abusefilter', 'check-stash', $this->group, $hash, self::CACHE_VERSION ); } }