/**
* Builds the URL to login process.
*
* @param string $endpoint_url The endpoint. Normally the 'authorization_endpoint' of
* OAuth server.
* @param string $redirect_url Where the user will be redirected, even on success or
* not.
* @param string $scope Section-key identifier of the web client. The
* section-key is located in "oauthconf.xml" file.
* @param string $social Social - to force login with social network. Optional. Values 'facebook', 'twitter'
* @return string The URL generated.
* @throws \Exception If there is an error.
*/
private static function buildLoginUrl($endpoint_url, $redirect_url, $scope = null, $social = null)
{
try {
if (self::checkParam($endpoint_url)) {
throw new Exception('Endpoint URL is empty');
}
if (self::checkParam($redirect_url)) {
throw new Exception('Redirect URL is empty');
}
$endpoint_url = rtrim($endpoint_url, '?');
$params = array();
$params['client_id'] = OAuthConfig::getClientid();
$params['redirect_uri'] = $redirect_url;
$params['response_type'] = 'code';
if (!is_null($scope)) {
$params['scope'] = $scope;
}
if ($social != null) {
$params['ck_auth_provider'] = $social;
}
return $endpoint_url . '?' . http_build_query($params, null, '&');
} catch (Exception $e) {
Identity::getLogger()->debug('Error [' . __FUNCTION__ . '] - ' . $e->getMessage());
}
}
