/** * @param string $timestamp * @param string $nonce * @param string $echoStr * @return string */ protected function getSignature($timestamp, $nonce, $echoStr) { return CallbackCredential::getSHA1($this->_token, $timestamp, $nonce, $echoStr); }
/** * @param string $extraXml * @return string */ protected function buildContentXml($extraXml) { $format = '<xml> <Encrypt><![CDATA[%s]]></Encrypt> <MsgSignature><![CDATA[%s]]></MsgSignature> <TimeStamp>%s</TimeStamp> <Nonce><![CDATA[%s]]></Nonce> </xml>'; $timestamp = time(); $nonce = uniqid(); $plainXml = $this->buildPlainXml($extraXml); $encryptXml = $this->buildEncryptedXml($plainXml); $signature = CallbackCredential::getSHA1($this->_token, $timestamp, $nonce, $encryptXml); return sprintf($format, $encryptXml, $signature, $timestamp, $nonce); }