/**
* Checks if the entry is expired and redirects to a non-expired entry.
*
* @param UrlCacheEntry $cacheEntry
*/
protected function checkExpiration(UrlCacheEntry $cacheEntry)
{
if ($cacheEntry->getExpiration() > 0) {
$newerCacheEntry = $this->cache->getUrlFromCacheByOriginalUrl($cacheEntry->getRootPageId(), $cacheEntry->getOriginalUrl());
if ($newerCacheEntry->getExpiration() === 0) {
if ($cacheEntry->getSpeakingUrl() !== $newerCacheEntry->getSpeakingUrl()) {
@ob_end_clean();
header(self::REDIRECT_STATUS_HEADER);
header(self::REDIRECT_INFO_HEADER . ': redirecting expired URL to a fresh one');
header('Location: ' . GeneralUtility::locationHeaderUrl($newerCacheEntry->getSpeakingUrl()));
die;
} else {
// Got expired and non-expired entry for the same speaking url. Remove expired one.
$this->cache->clearUrlCacheById($cacheEntry->getCacheId());
}
}
}
}
/**
* Sets the entry to cache.
*
* @param UrlCacheEntry $cacheEntry
* @return void
*/
public function putUrlToCache(UrlCacheEntry $cacheEntry)
{
$data = array('expire' => $cacheEntry->getExpiration(), 'original_url' => $cacheEntry->getOriginalUrl(), 'page_id' => $cacheEntry->getPageId(), 'request_variables' => json_encode($cacheEntry->getRequestVariables()), 'rootpage_id' => $cacheEntry->getRootPageId(), 'speaking_url' => $cacheEntry->getSpeakingUrl());
if ($cacheEntry->getCacheId()) {
$this->databaseConnection->exec_UPDATEquery('tx_realurl_urldata', 'uid=' . $this->databaseConnection->fullQuoteStr($cacheEntry->getCacheId(), 'tx_realurl_urldata'), $data);
} else {
$this->databaseConnection->sql_query('START TRANSACTION');
if ($this->limitTableRecords('tx_realurl_urldata')) {
$this->databaseConnection->sql_query('DELETE FROM tx_realurl_uniqalias_cache_map WHERE url_cache_id NOT IN (SELECT uid FROM tx_realurl_urldata)');
}
$this->databaseConnection->exec_INSERTquery('tx_realurl_urldata', $data);
$cacheEntry->setCacheId($this->databaseConnection->sql_insert_id());
$this->databaseConnection->sql_query('COMMIT');
}
}
