/**
* Check authorize parameters
*
* @return array Authorize request parameters
*
* @throws
*/
public function checkAuthorizeParams()
{
// Get required params
$clientId = $this->server->getRequest()->query->get('client_id', null);
if (is_null($clientId)) {
throw new Exception\InvalidRequestException('client_id');
}
$redirectUri = $this->server->getRequest()->query->get('redirect_uri', null);
if (is_null($redirectUri)) {
throw new Exception\InvalidRequestException('redirect_uri');
}
// Validate client ID and redirect URI
$client = $this->server->getClientStorage()->get($clientId, null, $redirectUri, $this->getIdentifier());
if ($client instanceof ClientEntity === false) {
$this->server->getEventEmitter()->emit(new Event\ClientAuthenticationFailedEvent($this->server->getRequest()));
throw new Exception\InvalidClientException();
}
$state = $this->server->getRequest()->query->get('state', null);
if ($this->server->stateParamRequired() === true && is_null($state)) {
throw new Exception\InvalidRequestException('state', $redirectUri);
}
$responseType = $this->server->getRequest()->query->get('response_type', null);
if (is_null($responseType)) {
throw new Exception\InvalidRequestException('response_type', $redirectUri);
}
// Ensure response type is one that is recognised
if (!in_array($responseType, $this->server->getResponseTypes())) {
throw new Exception\UnsupportedResponseTypeException($responseType, $redirectUri);
}
// Validate any scopes that are in the request
$scopeParam = $this->server->getRequest()->query->get('scope', '');
$scopes = $this->validateScopes($scopeParam, $client, $redirectUri);
return ['client' => $client, 'redirect_uri' => $redirectUri, 'state' => $state, 'response_type' => $responseType, 'scopes' => $scopes];
}
