/**
* Constructs the cache
*
* @param string A identifier which describes this cache
* @param t3lib_cache_backend_Backend Backend to be used for this cache
* @author Robert Lemke <*****@*****.**>
* @throws InvalidArgumentException if the identifier doesn't match PATTERN_ENTRYIDENTIFIER
* @internal
*/
public function __construct($identifier, t3lib_cache_backend_Backend $backend)
{
if (!preg_match(self::PATTERN_ENTRYIDENTIFIER, $identifier)) {
throw new InvalidArgumentException('"' . $identifier . '" is not a valid cache identifier.', 1203584729);
}
$this->identifier = $identifier;
$this->backend = $backend;
$this->backend->setCache($this);
}
/**
* Initializes the identifier prefix when setting the cache.
*
* @param t3lib_cache_frontend_Frontend $cache The frontend for this backend
* @return void
* @author Robert Lemke <*****@*****.**>
*/
public function setCache(t3lib_cache_frontend_Frontend $cache)
{
parent::setCache($cache);
$processUser = extension_loaded('posix') ? posix_getpwuid(posix_geteuid()) : array('name' => 'default');
$pathHash = t3lib_div::shortMD5(PATH_site . $processUser['name'], 12);
$this->identifierPrefix = 'TYPO3_' . $pathHash;
}
/**
* Sets a reference to the cache frontend which uses this backend and
* initializes the default cache directory
*
* @void
* @author Robert Lemke <*****@*****.**>
*/
public function setCache(t3lib_cache_frontend_Frontend $cache)
{
parent::setCache($cache);
if (empty($this->cacheDirectory)) {
$cacheDirectory = 'typo3temp/cache/';
try {
$this->setCacheDirectory($cacheDirectory);
} catch (t3lib_cache_Exception $exception) {
}
}
}
/**
* Initializes the identifier prefix when setting the cache.
*
* @param t3lib_cache_frontend_Frontend $cache The frontend for this backend
* @return void
* @author Robert Lemke <*****@*****.**>
* @author Dmitry Dulepov
*/
public function setCache(t3lib_cache_frontend_Frontend $cache)
{
parent::setCache($cache);
$this->identifierPrefix = 'TYPO3_' . md5(PATH_site) . '_';
}
