/**
* Constructs the cache
*
* @param string $identifier A identifier which describes this cache
* @param BackendInterface $backend Backend to be used for this cache
* @throws \InvalidArgumentException if the identifier doesn't match PATTERN_ENTRYIDENTIFIER
*/
public function __construct($identifier, BackendInterface $backend)
{
if (preg_match(self::PATTERN_ENTRYIDENTIFIER, $identifier) !== 1) {
throw new \InvalidArgumentException('"' . $identifier . '" is not a valid cache identifier.', 1203584729);
}
$this->identifier = $identifier;
$this->backend = $backend;
$this->backend->setCache($this);
}
/**
* Set cache frontend instance and calculate data and tags table name
*
* @param \TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache The frontend for this backend
* @return void
* @api
*/
public function setCache(\TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache)
{
parent::setCache($cache);
$this->cacheTable = 'cf_' . $this->cacheIdentifier;
$this->tagsTable = 'cf_' . $this->cacheIdentifier . '_tags';
$this->initializeCommonReferences();
}
/**
* Set cache frontend instance and calculate data and tags table name
*
* @param FrontendInterface $cache The frontend for this backend
* @return void
* @api
*/
public function setCache(FrontendInterface $cache)
{
parent::setCache($cache);
$this->cacheTable = 'cf_' . $this->cacheIdentifier;
$this->tagsTable = 'cf_' . $this->cacheIdentifier . '_tags';
$this->maximumLifetime = self::FAKED_UNLIMITED_EXPIRE - $GLOBALS['EXEC_TIME'];
}
/**
* Initializes the identifier prefix when setting the cache.
*
* @param \TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache
* @return void
*/
public function setCache(\TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache)
{
parent::setCache($cache);
$processUser = extension_loaded('posix') ? posix_getpwuid(posix_geteuid()) : array('name' => 'default');
$pathHash = \TYPO3\CMS\Core\Utility\GeneralUtility::shortMD5(PATH_site . $processUser['name'] . $this->context, 12);
$this->identifierPrefix = 'TYPO3_' . $pathHash;
}
/**
* Sets a reference to the cache frontend which uses this backend and
* initializes the default cache directory.
*
* TYPO3 v4 note: This method is different between TYPO3 v4 and FLOW3
* because the Environment class to get the path to a temporary directory
* does not exist in v4.
*
* @param \TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache The cache frontend
* @throws \TYPO3\CMS\Core\Cache\Exception
* @return void
*/
public function setCache(\TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache)
{
parent::setCache($cache);
if (empty($this->temporaryCacheDirectory)) {
// If no cache directory was given with cacheDirectory
// configuration option, set it to a path below typo3temp/
$temporaryCacheDirectory = PATH_site . 'typo3temp/';
} else {
$temporaryCacheDirectory = $this->temporaryCacheDirectory;
}
$codeOrData = $cache instanceof \TYPO3\CMS\Core\Cache\Frontend\PhpFrontend ? 'Code' : 'Data';
$finalCacheDirectory = $temporaryCacheDirectory . 'Cache/' . $codeOrData . '/' . $this->cacheIdentifier . '/';
if (!is_dir($finalCacheDirectory)) {
$this->createFinalCacheDirectory($finalCacheDirectory);
}
unset($this->temporaryCacheDirectory);
$this->cacheDirectory = $finalCacheDirectory;
$this->cacheEntryFileExtension = $cache instanceof \TYPO3\CMS\Core\Cache\Frontend\PhpFrontend ? '.php' : '';
if (strlen($this->cacheDirectory) + 23 > \TYPO3\CMS\Core\Utility\GeneralUtility::getMaximumPathLength()) {
throw new \TYPO3\CMS\Core\Cache\Exception('The length of the temporary cache file path "' . $this->cacheDirectory . '" exceeds the ' . 'maximum path length of ' . (\TYPO3\CMS\Core\Utility\GeneralUtility::getMaximumPathLength() - 23) . '. Please consider ' . 'setting the temporaryDirectoryBase option to a shorter path.', 1248710426);
}
}
/**
* Initializes the identifier prefix when setting the cache.
*
* @param \TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache The frontend for this backend
* @return void
*/
public function setCache(\TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache)
{
parent::setCache($cache);
$identifierHash = substr(md5(PATH_site . $this->context . $this->cacheIdentifier), 0, 12);
$this->identifierPrefix = 'TYPO3_' . $identifierHash . '_';
}
/**
* Initializes the identifier prefix when setting the cache.
*
* @param \TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache
* @return void
*/
public function setCache(\TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache)
{
parent::setCache($cache);
$processUser = $this->getCurrentUserData();
$pathHash = \TYPO3\CMS\Core\Utility\GeneralUtility::shortMD5($this->getPathSite() . $processUser['name'] . $this->context . $cache->getIdentifier(), 12);
$this->setIdentifierPrefix('TYPO3_' . $pathHash);
}
/**
* Initializes the identifier prefix when setting the cache.
*
* @param \TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache The frontend for this backend
* @return void
*/
public function setCache(\TYPO3\CMS\Core\Cache\Frontend\FrontendInterface $cache)
{
parent::setCache($cache);
$this->identifierPrefix = 'TYPO3_' . md5(PATH_site) . '_';
}