Surfnet\StepupGateway\GatewayBundle\Service\ResponseRenderingService

Complexity

Total Complexity

6

Size/Duplication

Total Lines	97
Duplicated Lines	0 %

Coupling/Cohesion

Components	1
Dependencies	4

Importance

Changes	1
Bugs	0	Features	0

6 Methods

Rating	Name	Duplication	Size	Complexity
A	__construct()	0	7	1
A	renderRequesterFailureResponse()	0	13	1
A	renderUnprocessableResponse()	0	11	1
A	renderResponse()	0	6	1
A	renderSamlResponse()	0	14	1
A	getResponseAsXML()	0	4	1

<?php

/**
 * Copyright 2014 SURFnet bv
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

namespace Surfnet\StepupGateway\GatewayBundle\Service;

use SAML2_Const;
use SAML2_Response;
use Surfnet\StepupGateway\GatewayBundle\Saml\ResponseBuilder;
use Surfnet\StepupGateway\GatewayBundle\Saml\ResponseContext;
use Symfony\Bundle\TwigBundle\TwigEngine;
use Symfony\Component\HttpFoundation\Response;

final class ResponseRenderingService
{
    /**
     * @var ResponseBuilder
     */
    private $responseBuilder;

    /**
     * @var TwigEngine
     */
    private $twigEngine;

    /**
     * SamlResponseRenderingService constructor.
     * @param ResponseBuilder $responseBuilder
     * @param TwigEngine $twigEngine
     */
    public function __construct(
        ResponseBuilder $responseBuilder,
        TwigEngine $twigEngine
    ) {
        $this->responseBuilder = $responseBuilder;
        $this->twigEngine = $twigEngine;
    }

    /**
     * @return Response
     */
    public function renderRequesterFailureResponse(ResponseContext $context)
    {
        return $this->renderResponse(
            $context,
            $this->responseBuilder
                ->createNewResponse($context)
                ->setResponseStatus(
                    SAML2_Const::STATUS_REQUESTER,
                    SAML2_Const::STATUS_REQUEST_UNSUPPORTED
                )
                ->get()
        );
    }

    /**
     * @return Response
     */
    public function renderUnprocessableResponse(ResponseContext $context)
    {
        return $this->renderSamlResponse(
            $context,
            'unprocessableResponse',
            $this->responseBuilder
                ->createNewResponse($context)
                ->setResponseStatus(SAML2_Const::STATUS_RESPONDER)
                ->get()
        );
    }

    /**
     * @param SAML2_Response $response
     * @return Response
     */
    public function renderResponse(
        ResponseContext $context,
        SAML2_Response $response
    ) {
        return $this->renderSamlResponse($context, 'consumeAssertion', $response);
    }

    /**
     * @param string         $view
     * @param SAML2_Response $response
     * @return Response
     */
    private function renderSamlResponse(
        ResponseContext $context,
        $view,
        SAML2_Response $response
    ) {
        return $this->twigEngine->renderResponse(
            'SurfnetStepupGatewayGatewayBundle:Gateway:' . $view . '.html.twig',
            [
                'acu'        => $context->getDestination(),
                'response'   => $this->getResponseAsXML($response),
                'relayState' => $context->getRelayState()
            ]
        );
    }

    /**
     * @param SAML2_Response $response
     * @return string
     */
    private function getResponseAsXML(SAML2_Response $response)
    {
        return base64_encode($response->toUnsignedXML()->ownerDocument->saveXML());
    }
}