/**
* decryptes username and password
*
* @param Tinebase_Model_CredentialCache $_cache
* @return void
*/
protected function _decrypt($_cache)
{
$encryptedData = base64_decode($_cache->cache);
$td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', 'cbc', '');
mcrypt_generic_init($td, $_cache->key, substr($_cache->getId(), 0, 16));
$cacheData = Zend_Json::decode(trim(mdecrypt_generic($td, $encryptedData)));
$_cache->username = $cacheData['username'];
$_cache->password = $cacheData['password'];
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
}
/**
* decrypts username and password
*
* @param Tinebase_Model_CredentialCache $_cache
* @throws Tinebase_Exception_NotFound
* @throws Tinebase_Exception_SystemGeneric
*/
protected function _decrypt($_cache)
{
if (!extension_loaded('mcrypt')) {
throw new Tinebase_Exception_SystemGeneric('mcrypt extension required');
}
$encryptedData = base64_decode($_cache->cache);
$td = mcrypt_module_open(MCRYPT_RIJNDAEL_128, '', 'cbc', '');
mcrypt_generic_init($td, $_cache->key, substr($_cache->getId(), 0, 16));
$jsonEncodedData = trim(mdecrypt_generic($td, $encryptedData));
$cacheData = Tinebase_Helper::jsonDecode($jsonEncodedData);
mcrypt_generic_deinit($td);
mcrypt_module_close($td);
if (!isset($cacheData['username']) && !isset($cacheData['password'])) {
throw new Tinebase_Exception_NotFound('could not find valid credential cache');
}
$_cache->username = $cacheData['username'];
$_cache->password = $cacheData['password'];
}
