/** * Retrive assiciation information for given $url from internal cahce or * external storage * * @param string $url OpenID server url * @param string &$handle association handle * @param string &$macFunc HMAC function (sha1 or sha256) * @param string &$secret shared secret * @param integer &$expires expiration UNIX time * @return void */ protected function _getAssociation($url, &$handle, &$macFunc, &$secret, &$expires) { if (isset($this->_cache[$url])) { $handle = $this->_cache[$url][0]; $macFunc = $this->_cache[$url][1]; $secret = $this->_cache[$url][2]; $expires = $this->_cache[$url][3]; return true; } if ($this->_storage->getAssociation($url, $handle, $macFunc, $secret, $expires)) { $this->_cache[$url] = array($handle, $macFunc, $secret, $expires); return true; } return false; }