TASK: Adjust to Flow Controller changes

.github/workflows/build.yml

@@ -132,6 +132,8 @@ jobs:
           git -C ../${{ env.NEOS_FOLDER }} checkout -b build
           composer config repositories.neos '{ "type": "path", "url": "../${{ env.NEOS_FOLDER }}", "options": { "symlink": false } }'
           composer require --no-update neos/neos-development-collection:"dev-build as ${{ env.NEOS_BRANCH_ALIAS }}"
+          # enable this line to require a specific flow version for testing
+          # composer require --no-update neos/flow-development-collection:"dev-your-flow-branch-name as ${{ env.NEOS_BRANCH_ALIAS }}"
 
       - name: Cache Composer packages
         id: composer-cache

Neos.Fusion/Classes/Core/Runtime.php

@@ -24,6 +24,7 @@
 use Neos\Flow\Mvc\ActionRequest;
 use Neos\Flow\Mvc\ActionResponse;
 use Neos\Flow\Mvc\Exception\StopActionException;
+use Neos\Flow\Mvc\Exception\ForwardException;
 use Neos\Flow\ObjectManagement\ObjectManagerInterface;
 use Neos\Flow\Security\Exception as SecurityException;
 use Neos\Fusion\Core\Cache\RuntimeContentCache;
@@ -478,7 +479,7 @@ public function evaluate(string $fusionPath, $contextObject = null, string $beha
             // fast path for expression or value
             try {
                 return $this->evaluateExpressionOrValueInternal($fusionPath, $fusionConfiguration, $contextObject);
-            } catch (StopActionException | SecurityException | RuntimeException $exception) {
+            } catch (StopActionException | ForwardException | SecurityException | RuntimeException $exception) {
                 throw $exception;
             } catch (\Exception $exception) {
                 return $this->handleRenderingException($fusionPath, $exception, true);

Neos.Fusion/Tests/Unit/Core/ExceptionHandlers/AbstractRenderingExceptionHandlerTest.php

@@ -11,6 +11,7 @@
  * source code.
  */
 
+use GuzzleHttp\Psr7\Response;
 use Neos\Flow\Exception;
 use Neos\Flow\Mvc\Exception\StopActionException;
 use Neos\Flow\Tests\UnitTestCase;
@@ -99,7 +100,7 @@ public function unpackRuntimeException()
     public function neverHandleStopActionException()
     {
         $this->expectException(StopActionException::class);
-        $this->handler->handleRenderingException('path', new StopActionException());
+        $this->handler->handleRenderingException('path', StopActionException::createForResponse(new Response(), ''));
     }
 
 

Neos.Neos/Classes/Controller/Backend/ModuleController.php

@@ -15,7 +15,6 @@
 namespace Neos\Neos\Controller\Backend;
 
 use Neos\Flow\Annotations as Flow;
-use Neos\Flow\Mvc\ActionResponse;
 use Neos\Flow\Mvc\Controller\ActionController;
 use Neos\Flow\Mvc\Dispatcher;
 use Neos\Flow\Security\Account;
@@ -109,19 +108,19 @@ public function indexAction(array $module)
 
         $moduleRequest->setArgument('__moduleConfiguration', $moduleConfiguration);
 
-        $moduleResponse = new ActionResponse();
+        $moduleResponse = $this->dispatcher->dispatch($moduleRequest);
 
-        $this->dispatcher->dispatch($moduleRequest, $moduleResponse);
-        $moduleResponse->mergeIntoParentResponse($this->response);
-
-        if ($moduleResponse->getRedirectUri() !== null) {
-            $this->redirectToUri($moduleResponse->getRedirectUri(), 0, $moduleResponse->getStatusCode());
+        if ($moduleResponse->hasHeader('Location')) {
+            // Preserve redirects see b57d72aeeaa2e6da4d9c0a80363025fefd63d813
+            return $moduleResponse;
         } elseif ($moduleRequest->getFormat() !== 'html') {
+            // Allow ajax request with json or similar dd7e5c99924bf1b8618775bec08cc4f2cb1a6d2a
+            // todo just return $moduleResponse and trust its content-type instead of inferring the requested content-type
             $mediaType = MediaTypes::getMediaTypeFromFilename('file.' . $moduleRequest->getFormat());
             if ($mediaType !== 'application/octet-stream') {
-                $this->controllerContext->getResponse()->setContentType($mediaType);
+                $moduleResponse = $moduleResponse->withHeader('Content-Type', $mediaType);
             }
-            return $moduleResponse->getContent();
+            return $moduleResponse;
         } else {
             /** @var ?Account $authenticatedAccount */
             $authenticatedAccount = $this->securityContext->getAccount();
@@ -131,7 +130,7 @@ public function indexAction(array $module)
 
             $this->view->assignMultiple([
                 'moduleClass' => implode('-', $modules),
-                'moduleContents' => $moduleResponse->getContent(),
+                'moduleContents' => $moduleResponse->getBody()->getContents(),
                 'title' => $moduleRequest->hasArgument('title')
                     ? $moduleRequest->getArgument('title')
                     : $moduleConfiguration['label'],

Neos.Neos/Classes/Fusion/PluginImplementation.php

@@ -170,15 +170,21 @@ public function evaluate(): string
         $this->node = $currentContext['node'];
         $this->documentNode = $currentContext['documentNode'];
         $parentResponse = $this->runtime->getControllerContext()->getResponse();
-        $pluginResponse = new ActionResponse();
-        $this->dispatcher->dispatch($this->buildPluginRequest(), $pluginResponse);
+        $pluginResponse = $this->dispatcher->dispatch($this->buildPluginRequest());
 
         // We need to make sure to not merge content up into the parent ActionResponse
         // because that would break the Fusion HttpResponse.
-        $content = $pluginResponse->getContent();
-        $pluginResponse->setContent('');
+        $content = $pluginResponse->getBody()->getContents();
 
-        $pluginResponse->mergeIntoParentResponse($parentResponse);
+        // hacky, but part of the deal. We have to manipulate the global response to redirect for example.
+        // transfer possible headers that have been set dynamically
+        foreach ($pluginResponse->getHeaders() as $name => $values) {
+            $parentResponse->setHttpHeader($name, $values);
+        }
+        // if the status code is 200 we assume it's the default and will not overrule it
+        if ($pluginResponse->getStatusCode() !== 200) {
+            $parentResponse->setStatusCode($pluginResponse->getStatusCode());
+        }
 
         return $content;
     }

Neos.Neos/Classes/Service/Controller/AbstractServiceController.php

@@ -14,17 +14,19 @@
 
 namespace Neos\Neos\Service\Controller;
 
+use GuzzleHttp\Psr7\Response;
 use Neos\ContentRepository\Core\SharedModel\User\UserId;
 use Neos\Flow\Annotations as Flow;
 use Neos\Flow\Exception as FlowException;
 use Neos\Flow\Log\ThrowableStorageInterface;
 use Neos\Flow\Log\Utility\LogEnvironment;
 use Neos\Flow\Mvc\ActionRequest;
-use Neos\Flow\Mvc\ActionResponse;
 use Neos\Flow\Mvc\Controller\ActionController;
+use Neos\Flow\Mvc\Exception\ForwardException;
 use Neos\Flow\Mvc\Exception\StopActionException;
 use Neos\Neos\Controller\BackendUserTranslationTrait;
 use Neos\Neos\Domain\Service\UserService;
+use Psr\Http\Message\ResponseInterface;
 
 /**
  * Abstract Service Controller
@@ -84,36 +86,35 @@ protected function errorAction(): never
     /**
      * Catch exceptions while processing an exception and respond to JSON format
      * TODO: This is an explicit exception handling that will be replaced by format-enabled exception handlers.
-     *
-     * @param ActionRequest $request The request object
-     * @param ActionResponse $response The response, modified by this handler
-     * @return void
-     * @throws StopActionException
-     * @throws \Exception
      */
-    public function processRequest(ActionRequest $request, ActionResponse $response)
+    public function processRequest(ActionRequest $request): ResponseInterface
     {
         try {
-            parent::processRequest($request, $response);
-        } catch (StopActionException $exception) {
+            $response = parent::processRequest($request);
+        } catch (StopActionException | ForwardException $exception) {
             throw $exception;
         } catch (\Exception $exception) {
             if ($this->request->getFormat() !== 'json') {
                 throw $exception;
             }
             $exceptionData = $this->convertException($exception);
-            $response->setContentType('application/json');
-            if ($exception instanceof FlowException) {
-                $response->setStatusCode($exception->getStatusCode());
-            } else {
-                $response->setStatusCode(500);
-            }
-            $response->setContent(json_encode(['error' => $exceptionData], JSON_THROW_ON_ERROR));
+            $body = json_encode(['error' => $exceptionData], JSON_THROW_ON_ERROR);
+            $response = new Response(
+                status: $exception instanceof FlowException
+                    ? $exception->getStatusCode()
+                    : 500,
+                headers: [
+                    'Content-Type' => 'application/json'
+                ],
+                body: $body
+            );
             $this->logger->error(
                 $this->throwableStorage2->logThrowable($exception),
                 LogEnvironment::fromMethodName(__METHOD__)
             );
         }
+
+        return $response;
     }
 
     /**

Neos.Neos/Tests/Unit/Fusion/PluginImplementationTest.php

@@ -11,12 +11,12 @@
  * source code.
  */
 
+use GuzzleHttp\Psr7\Response;
 use GuzzleHttp\Psr7\Uri;
 use Neos\Flow\Mvc\ActionRequest;
 use Neos\Flow\Mvc\ActionResponse;
 use Neos\Flow\Mvc\Controller\ControllerContext;
 use Neos\Flow\Mvc\Dispatcher;
-use Neos\Flow\Mvc\RequestInterface;
 use Neos\Flow\Tests\UnitTestCase;
 use Neos\Fusion\Core\Runtime;
 use Neos\Neos\Fusion\PluginImplementation;
@@ -54,7 +54,7 @@ class PluginImplementationTest extends UnitTestCase
     protected $mockHttpRequest;
 
     /**
-     * @var MockObject|RequestInterface
+     * @var MockObject|ActionRequest
      */
     protected $mockActionRequest;
 
@@ -132,8 +132,8 @@ public function evaluateSetHeaderIntoParent(string $message, array $input, array
         $this->_setHeadersIntoResponse($parentResponse, $input['parent']);
         $this->mockControllerContext->method('getResponse')->willReturn($parentResponse);
 
-        $this->mockDispatcher->method('dispatch')->willReturnCallback(function (ActionRequest $request, ActionResponse $response) use ($input) {
-            $this->_setHeadersIntoResponse($response, $input['plugin']);
+        $this->mockDispatcher->method('dispatch')->willReturnCallback(function (ActionRequest $request) use ($input) {
+            return new Response(headers: $input['plugin']);
         });
 
         $this->mockRuntime->expects($this->any())->method('getCurrentContext')->willReturn(['node' => null, 'documentNode' => null]);