/**
* Check that version is 1.0.
*
* @param JacobKiers\OAuth\Request\RequestInterface $request
*
* @return string
*
* @throws JacobKiers\OAuth\OAuthException
*/
private function getVersion(RequestInterface $request)
{
$version = $request->getOAuthVersion();
if (!$version) {
// Service Providers MUST assume the protocol version to be 1.0 if this parameter is not present.
// Chapter 7.0 ("Accessing Protected Ressources")
$version = '1.0';
}
if ($version !== $this->version) {
throw new OAuthException("OAuth version '{$version}' not supported");
}
return $version;
}
