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<?php |
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/** |
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* Copyright 2014 SURFnet bv |
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* |
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* Licensed under the Apache License, Version 2.0 (the "License"); |
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* you may not use this file except in compliance with the License. |
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* You may obtain a copy of the License at |
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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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* Unless required by applicable law or agreed to in writing, software |
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* distributed under the License is distributed on an "AS IS" BASIS, |
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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* See the License for the specific language governing permissions and |
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* limitations under the License. |
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*/ |
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namespace Surfnet\StepupBundle\Controller; |
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use DateTime; |
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use Exception; |
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use SAML2\Response\Exception\InvalidResponseException; |
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use SAML2\Response\Exception\PreconditionNotMetException; |
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use Surfnet\SamlBundle\Http\Exception\AuthnFailedSamlResponseException; |
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use Surfnet\SamlBundle\Http\Exception\SignatureValidationFailedException; |
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use Surfnet\SamlBundle\Http\Exception\UnknownServiceProviderException; |
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use Surfnet\SamlBundle\Http\Exception\UnsignedRequestException; |
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use Surfnet\SamlBundle\Http\Exception\UnsupportedSignatureException; |
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use Surfnet\StepupBundle\EventListener\RequestIdRequestResponseListener; |
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use Surfnet\StepupBundle\Exception\Art; |
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use Symfony\Bundle\FrameworkBundle\Controller\Controller as FrameworkController; |
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use Symfony\Component\HttpFoundation\Request; |
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use Symfony\Component\HttpFoundation\Response; |
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use Symfony\Component\HttpKernel\Exception\HttpExceptionInterface; |
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use Symfony\Component\Security\Core\Exception\AccessDeniedException; |
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use Symfony\Component\Security\Core\Exception\AuthenticationException; |
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use Symfony\Component\Translation\TranslatorInterface; |
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class ExceptionController extends FrameworkController |
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{ |
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public function showAction(Request $request, Exception $exception) |
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{ |
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$statusCode = $this->getStatusCode($exception); |
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if ($statusCode == 404) { |
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$template = 'SurfnetStepupBundle:Exception:error404.html.twig'; |
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} else { |
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$template = 'SurfnetStepupBundle:Exception:error.html.twig'; |
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} |
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$response = new Response('', $statusCode); |
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$timestamp = (new DateTime)->format(DateTime::ISO8601); |
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$hostname = $request->getHost(); |
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$requestId = $request->headers->get(RequestIdRequestResponseListener::HEADER_NAME, '-'); |
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$errorCode = Art::forException($exception); |
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$userAgent = $request->headers->get('User-Agent'); |
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$ipAddress = $request->getClientIp(); |
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return $this->render( |
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$template, |
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[ |
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'timestamp' => $timestamp, |
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'hostname' => $hostname, |
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'request_id' => $requestId, |
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'error_code' => $errorCode, |
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'user_agent' => $userAgent, |
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'ip_address' => $ipAddress, |
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] + $this->getPageTitleAndDescription($exception), |
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$response |
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); |
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} |
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/** |
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* @param Exception $exception |
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* @return int HTTP status code |
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*/ |
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protected function getStatusCode(Exception $exception) |
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{ |
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if ($exception instanceof AuthenticationException || |
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$exception instanceof InvalidResponseException) { |
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return Response::HTTP_UNAUTHORIZED; |
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} |
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if ($exception instanceof AccessDeniedException || |
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$exception instanceof PreconditionNotMetException) { |
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return Response::HTTP_FORBIDDEN; |
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} |
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if ($exception instanceof HttpExceptionInterface) { |
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return $exception->getStatusCode(); |
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} |
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// Unknown exceptions are server errors! |
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return 500; |
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} |
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/** |
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* @param Exception $exception |
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* @return array View parameters 'title' and 'description' |
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*/ |
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protected function getPageTitleAndDescription(Exception $exception) |
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{ |
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$translator = $this->getTranslator(); |
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$parameters = []; |
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if ($exception instanceof SignatureValidationFailedException) { |
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$title = $translator->trans('stepup.error.signature_validation_failed.title'); |
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$description = $translator->trans('stepup.error.signature_validation_failed.description'); |
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} elseif ($exception instanceof UnsignedRequestException) { |
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$title = $translator->trans('stepup.error.unsigned_request.title'); |
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$description = $translator->trans('stepup.error.unsigned_request.description'); |
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} elseif ($exception instanceof UnsupportedSignatureException) { |
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$title = $translator->trans('stepup.error.unsupported_signature.title'); |
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$description = $translator->trans('stepup.error.unsupported_signature.description'); |
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} elseif ($exception instanceof UnknownServiceProviderException) { |
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$title = $translator->trans('stepup.error.unknown_service_provider.title'); |
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$description = $translator->trans('stepup.error.unknown_service_provider.description'); |
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} elseif ($exception instanceof AuthnFailedSamlResponseException) { |
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$title = $translator->trans('stepup.error.authn_failed.title'); |
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$description = $translator->trans('stepup.error.authn_failed.description'); |
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} elseif ($exception instanceof PreconditionNotMetException) { |
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$title = $translator->trans('stepup.error.precondition_not_met.title'); |
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$description = $translator->trans('stepup.error.precondition_not_met.description'); |
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} elseif ($exception instanceof InvalidResponseException) { |
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$title = $translator->trans('stepup.error.authentication_error.title'); |
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$description = $translator->trans('stepup.error.authentication_error.description'); |
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} elseif ($exception instanceof AuthenticationException) { |
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$title = $translator->trans('stepup.error.authentication_error.title'); |
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$description = $translator->trans('stepup.error.authentication_error.description'); |
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} else { |
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$title = $translator->trans('stepup.error.generic_error.title'); |
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$description = $translator->trans('stepup.error.generic_error.description'); |
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} |
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return [ |
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'title' => $title, |
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'description' => $description, |
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]; |
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} |
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/** |
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* @return TranslatorInterface |
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*/ |
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protected function getTranslator() |
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{ |
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return $this->get('translator'); |
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} |
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} |
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OpenConext /
Stepup-bundle
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.