/**
* Insert a signature into the outgoing request.
*
* @throws Trustly_SignatureException if private key has not been loaded
* yet or if we for some other reason fail to sign the request.
*
* @param Trustly_Data_JSONRPCRequest $request Request to sign.
*/
public function signMerchantRequest($request)
{
if (!isset($this->merchant_privatekey)) {
throw new Trustly_SignatureException('No private key has been loaded for signing');
}
$method = $request->getMethod();
if ($method === NULL) {
$method = '';
}
$uuid = $request->getUUID();
if ($uuid === NULL) {
$uuid = '';
}
$data = $request->getData();
$serial_data = $method . $uuid . $this->serializeData($data);
$raw_signature = '';
$this->clearOpenSSLError();
if (openssl_sign($serial_data, $raw_signature, $this->merchant_privatekey, OPENSSL_ALGO_SHA1) === TRUE) {
return base64_encode($raw_signature);
}
throw new Trustly_SignatureException('Failed to sign the outgoing merchant request. ' . openssl_error_string());
}
