/**
* All-in-one function to check the signature on a request.
*
* Should determine the signature method appropriately
*
* @param JacobKiers\OAuth\Request\RequestInterface $request
* @param JacobKiers\OAuth\Consumer\ConsumerInterface $consumer
* @param JacobKiers\OAuth\Token\TokenInterface $token
*
* @throws JacobKiers\OAuth\OAuthException
*/
private function checkSignature(RequestInterface $request, ConsumerInterface $consumer, TokenInterface $token)
{
// this should probably be in a different method
$timestamp = $request instanceof RequestInterface ? $request->getOAuthTimestamp() : null;
$nonce = $request instanceof RequestInterface ? $request->getOAuthNonce() : null;
$this->checkTimestamp($timestamp);
$this->checkNonce($consumer, $token, $nonce, $timestamp);
$signature_method = $this->getSignatureMethod($request);
$signature = $request->getOAuthSignature();
$valid_sig = $signature_method->checkSignature($request, $consumer, $token, $signature);
if (!$valid_sig) {
throw new OAuthException('Invalid signature');
}
}