/**
* @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);
}
/**
* @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 CallbackCredential $credential
* @return $this
*/
public function setCallback(CallbackCredential $credential)
{
return $this->setData('callback', $credential->toArray());
}
