[WIP] migrates SessionLockRequestComponent to new MiddlewareInterface

Classes/Aspects/ReadOnlyAspect.php

@@ -4,7 +4,7 @@ declare(strict_types=1);
 
 namespace DigiComp\FlowSessionLock\Aspects;
 
-use DigiComp\FlowSessionLock\Http\SessionLockRequestComponent;
+use DigiComp\FlowSessionLock\Http\SessionLockRequestMiddleware;
 use Neos\Flow\Annotations as Flow;
 use Neos\Flow\Aop\JoinPointInterface;
 use Neos\Flow\Core\Bootstrap;
@@ -52,9 +52,8 @@ class ReadOnlyAspect
         $this->readOnly = true;
 
         /** @var Lock|null $lock */
-        $lock = $activeRequestHandler->getComponentContext()->getParameter(
+        $lock = $activeRequestHandler->getHttpRequest()->getAttribute(
-            SessionLockRequestComponent::class,
+            SessionLockRequestMiddleware::class . '.' . SessionLockRequestMiddleware::PARAMETER_NAME
-            SessionLockRequestComponent::PARAMETER_NAME
         );
         if ($lock !== null) {
             $this->logger->debug('SessionLock: Release, as this is marked read only.');

Classes/Http/SessionLockRequestMiddleware.php

@@ -5,14 +5,16 @@ declare(strict_types=1);
 namespace DigiComp\FlowSessionLock\Http;
 
 use Neos\Flow\Annotations as Flow;
-use Neos\Flow\Http\Component\ComponentContext;
+use Psr\Http\Message\ResponseInterface;
-use Neos\Flow\Http\Component\ComponentInterface;
+use Psr\Http\Message\ServerRequestInterface;
+use Psr\Http\Server\MiddlewareInterface;
+use Psr\Http\Server\RequestHandlerInterface;
 use Psr\Log\LoggerInterface;
 use Symfony\Component\Lock\Exception\LockAcquiringException;
 use Symfony\Component\Lock\Key;
 use Symfony\Component\Lock\LockFactory;
 
-class SessionLockRequestComponent implements ComponentInterface
+class SessionLockRequestMiddleware implements MiddlewareInterface
 {
     public const PARAMETER_NAME = 'sessionLock';
 
@@ -55,13 +57,13 @@ class SessionLockRequestComponent implements ComponentInterface
     /**
      * @inheritDoc
      */
-    public function handle(ComponentContext $componentContext): void
+    public function process(ServerRequestInterface $request, RequestHandlerInterface $handler): ResponseInterface
     {
         $sessionCookieName = $this->sessionSettings['name'];
 
-        $cookies = $componentContext->getHttpRequest()->getCookieParams();
+        $cookies = $request->getCookieParams();
         if (!isset($cookies[$sessionCookieName])) {
-            return;
+            return $handler->handle($request);
         }
 
         // TODO: sessionIdentifier might be wrong, probably it should probably be storage identifier
@@ -69,7 +71,7 @@ class SessionLockRequestComponent implements ComponentInterface
 
         $lock = $this->lockFactory->createLockFromKey($key, $this->timeToLive, $this->autoRelease);
 
-        $componentContext->setParameter(SessionLockRequestComponent::class, static::PARAMETER_NAME, $lock);
+        $request = $request->withAttribute(static::class . '.' . static::PARAMETER_NAME, $lock);
 
         $this->logger->debug('SessionLock: Try to get "' . $key . '"');
         $timedOut = \time() + $this->secondsToWait;
@@ -83,5 +85,6 @@ class SessionLockRequestComponent implements ComponentInterface
             \usleep(100000);
         }
         $this->logger->debug('SessionLock: Acquired "' . $key . '"');
+        return $handler->handle($request);
     }
 }

Configuration/Settings.yaml

@@ -9,9 +9,7 @@ DigiComp:
 Neos:
   Flow:
     http:
-      chain:
+      middlewares:
-        preprocess:
-          chain:
         lockSession:
-              position: "before getSessionCookieFromRequest"
+          position: "before session"
-              component: "DigiComp\\FlowSessionLock\\Http\\SessionLockRequestComponent"
+          middleware: "DigiComp\\FlowSessionLock\\Http\\SessionLockRequestMiddleware"

composer.json

@@ -3,7 +3,7 @@
     "description": "Session locking for Neos Flow - it secures the session becoming corrupted by concurrent access to the same session by different requests",
     "type": "neos-package",
     "require": {
-        "neos/flow": "^6.3.0",
+        "neos/flow": "^7.3.0",
         "php": ">=7.4",
         "symfony/lock": "^5.2.0"
     },