[FrameworkBundle] Allow to inject service to expression condition

Gather routing variables into a service locator

Add service() function for route condition

Add missing file

Fix psalm

remove routing variable concept

Add tests and rename routing condition service

make fabbot happy

add entry in changelog

Author: renanbr

CHANGELOG.md

@@ -12,6 +12,7 @@ CHANGELOG
  * Deprecate the `reset_on_message` config option. It can be set to `true` only and does nothing now
  * Add `trust_x_sendfile_type_header` option
  * Add support for first-class callable route controller in `MicroKernelTrait`
+ * Add tag `routing.condition_service` to autoconfigure routing condition services.
 
 6.0
 ---

DependencyInjection/Compiler/UnusedTagsPass.php

@@ -75,6 +75,7 @@ class UnusedTagsPass implements CompilerPassInterface
         'routing.expression_language_provider',
         'routing.loader',
         'routing.route_loader',
+        'routing.condition_service',
         'security.authenticator.login_linker',
         'security.expression_language_provider',
         'security.remember_me_aware',

DependencyInjection/FrameworkExtension.php

@@ -27,6 +27,7 @@
 use Symfony\Bridge\Twig\Extension\CsrfExtension;
 use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
 use Symfony\Bundle\FrameworkBundle\Routing\AnnotatedRouteControllerLoader;
+use Symfony\Bundle\FrameworkBundle\Routing\Attribute\AsRoutingConditionService;
 use Symfony\Bundle\FrameworkBundle\Routing\RouteLoaderInterface;
 use Symfony\Bundle\FullStack;
 use Symfony\Bundle\MercureBundle\MercureBundle;
@@ -666,6 +667,10 @@ public function load(array $configs, ContainerBuilder $container)
             'kernel.locale_aware',
             'kernel.reset',
         ]);
+
+        $container->registerAttributeForAutoconfiguration(AsRoutingConditionService::class, static function (ChildDefinition $definition, AsRoutingConditionService $attribute): void {
+            $definition->addTag('routing.condition_service', (array) $attribute);
+        });
     }
 
     /**

Resources/config/services.php

@@ -200,6 +200,14 @@ class_exists(WorkflowEvents::class) ? WorkflowEvents::ALIASES : []
             ])
             ->tag('routing.expression_language_function', ['function' => 'env'])
 
+        ->set('container.get_routing_condition_service', \Closure::class)
+            ->public()
+            ->factory([\Closure::class, 'fromCallable'])
+            ->args([
+                [tagged_locator('routing.condition_service', 'alias'), 'get'],
+            ])
+            ->tag('routing.expression_language_function', ['function' => 'service'])
+
         // inherit from this service to lazily access env vars
         ->set('container.env', LazyString::class)
             ->abstract()

Routing/Attribute/AsRoutingConditionService.php

@@ -0,0 +1,47 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\FrameworkBundle\Routing\Attribute;
+
+/**
+ * Service tag to autoconfigure routing condition services.
+ *
+ * You can tag a service:
+ *
+ *     #[AsRoutingConditionService('foo')]
+ *     class SomeFooService
+ *     {
+ *         public function bar(): bool
+ *         {
+ *             // ...
+ *         }
+ *     }
+ *
+ * Then you can use the tagged service in the routing condition:
+ *
+ *     class PageController
+ *     {
+ *         #[Route('/page', condition: "service('foo').bar()")]
+ *         public function page(): Response
+ *         {
+ *             // ...
+ *         }
+ *     }
+ */
+#[\Attribute(\Attribute::TARGET_CLASS)]
+class AsRoutingConditionService
+{
+    public function __construct(
+        public ?string $alias = null,
+        public int $priority = 0,
+    ) {
+    }
+}

Tests/Functional/Bundle/RoutingConditionServiceBundle/Controller/DefaultController.php

@@ -0,0 +1,81 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\FrameworkBundle\Tests\Functional\Bundle\RoutingConditionServiceBundle\Controller;
+
+use Symfony\Component\HttpFoundation\Response;
+use Symfony\Component\Routing\Annotation\Route;
+
+class DefaultController
+{
+    #[Route(
+        path: '/allowed/manually-tagged',
+        condition: 'service("manually_tagged").giveMeTrue()',
+    )]
+    public function allowedByManuallyTagged(): Response
+    {
+        return new Response();
+    }
+
+    #[Route(
+        path: '/allowed/auto-configured',
+        condition: 'service("auto_configured").flip(false)',
+    )]
+    public function allowedByAutoConfigured(): Response
+    {
+        return new Response();
+    }
+
+    #[Route(
+        path: '/allowed/auto-configured-non-aliased',
+        condition: 'service("auto_configured_non_aliased").alwaysTrue()',
+    )]
+    public function allowedByAutoConfiguredNonAliased(): Response
+    {
+        return new Response();
+    }
+
+    #[Route(
+        path: '/denied/manually-tagged',
+        condition: 'service("manually_tagged").giveMeFalse()',
+    )]
+    public function deniedByManuallyTagged(): Response
+    {
+        return new Response();
+    }
+
+    #[Route(
+        path: '/denied/auto-configured',
+        condition: 'service("auto_configured").flip(true)',
+    )]
+    public function deniedByAutoConfigured(): Response
+    {
+        return new Response();
+    }
+
+    #[Route(
+        path: '/denied/auto-configured-non-aliased',
+        condition: 'service("auto_configured_non_aliased").alwaysFalse()',
+    )]
+    public function deniedByAutoConfiguredNonAliased(): Response
+    {
+        return new Response();
+    }
+
+    #[Route(
+        path: '/denied/overridden',
+        condition: 'service("foo").isAllowed()',
+    )]
+    public function deniedByOverriddenAlias(): Response
+    {
+        return new Response();
+    }
+}

Tests/Functional/Bundle/RoutingConditionServiceBundle/RoutingConditionServiceBundle.php

@@ -0,0 +1,18 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\FrameworkBundle\Tests\Functional\Bundle\RoutingConditionServiceBundle;
+
+use Symfony\Component\HttpKernel\Bundle\Bundle;
+
+class RoutingConditionServiceBundle extends Bundle
+{
+}

Tests/Functional/Bundle/RoutingConditionServiceBundle/Service/AutoConfiguredNonAliasedService.php

@@ -0,0 +1,28 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\FrameworkBundle\Tests\Functional\Bundle\RoutingConditionServiceBundle\Service;
+
+use Symfony\Bundle\FrameworkBundle\Routing\Attribute\AsRoutingConditionService;
+
+#[AsRoutingConditionService]
+class AutoConfiguredNonAliasedService
+{
+    public function alwaysFalse(): bool
+    {
+        return false;
+    }
+
+    public function alwaysTrue(): bool
+    {
+        return true;
+    }
+}

Tests/Functional/Bundle/RoutingConditionServiceBundle/Service/AutoConfiguredService.php

@@ -0,0 +1,23 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\FrameworkBundle\Tests\Functional\Bundle\RoutingConditionServiceBundle\Service;
+
+use Symfony\Bundle\FrameworkBundle\Routing\Attribute\AsRoutingConditionService;
+
+#[AsRoutingConditionService('auto_configured')]
+class AutoConfiguredService
+{
+    public function flip(bool $value): bool
+    {
+        return !$value;
+    }
+}

Tests/Functional/Bundle/RoutingConditionServiceBundle/Service/FooOriginalService.php

@@ -0,0 +1,23 @@
+<?php
+
+/*
+ * This file is part of the Symfony package.
+ *
+ * (c) Fabien Potencier <fabien@symfony.com>
+ *
+ * For the full copyright and license information, please view the LICENSE
+ * file that was distributed with this source code.
+ */
+
+namespace Symfony\Bundle\FrameworkBundle\Tests\Functional\Bundle\RoutingConditionServiceBundle\Service;
+
+use Symfony\Bundle\FrameworkBundle\Routing\Attribute\AsRoutingConditionService;
+
+#[AsRoutingConditionService('foo')]
+class FooOriginalService
+{
+    public function isAllowed(): bool
+    {
+        return true;
+    }
+}