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Controller Kit Bundle — Utilities for Symfony controllers: redirectToReferer (configurable default route) and SafeForwardTrait for safe request forwarding, RequiresValidFormTrait form guards, and the #[MapScopedEntity] owner-scoped Doctrine entity argument resolver. Tested on Symfony 7.4, 8.0, and 8.1 (also compatible with Symfony 7.0–7.3) · PHP 8.2+ (Symfony 8.x requires PHP 8.4+).

This bundle is FrankenPHP worker mode friendly.

Workers that do not reset the kernel between requests are supported too (no mutable package state). See docs/FRANKENPHP-WORKER-AUDIT.md.

Features

RedirectToRefererTrait — Redirect to the HTTP Referer when valid (same app, route exists), or to a configurable default route. 100% configurable via nowo_controller_kit.default_route.
SafeForwardTrait — Forward to another controller method with a check that the method exists (avoids runtime errors).
RequiresValidFormTrait — Form guards for AbstractController: requireValidForm() / requireValidCsrfForm() deny with 403 when a form is not submitted or invalid; acceptSubmittedForm() turns an invalid user-facing field into an error flash instead of a 403 (CSRF failures still 403). Needs symfony/form (suggested).
#[MapScopedEntity] — Controller argument attribute that loads a Doctrine entity with one query joined on its owner (another route attribute): another owner's entity is the same 404 as a missing one (no existence leak, no N+1, no manual getOwner() !== $owner checks). Nullable arguments get null. Needs doctrine/orm + doctrine/doctrine-bundle (suggested; the resolver is only registered when they are installed).

Installation

composer require nowo-tech/controller-kit-bundle

With Symfony Flex, the recipe registers the bundle and adds config. Without Flex, see docs/INSTALLATION.md.

Manual registration in config/bundles.php:

return [
  // ...
  Nowo\ControllerKitBundle\NowoControllerKitBundle::class => ['all' => true],
];

Requirements

PHP >=8.2 (<8.6); Symfony 8.0 and 8.1 require PHP 8.4+
Symfony 7.4, 8.0, or 8.1 (minimum supported minors; also works on Symfony 7.0–7.3 via composer.json constraints)
For traits: symfony/framework-bundle in your application (AbstractController)
For RequiresValidFormTrait: symfony/form and symfony/security-core
For #[MapScopedEntity]: doctrine/orm (^2.17 or ^3) and doctrine/doctrine-bundle

Configuration

In config/packages/nowo_controller_kit.yaml:

nowo_controller_kit:
  default_route: homepage  # Route used when redirectToReferer has no valid Referer

Use your own route name (e.g. app_home, dashboard).

Usage

redirectToReferer

Use the trait in a controller that extends AbstractController:

use Nowo\ControllerKitBundle\Controller\RedirectToRefererTrait;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;

class MyController extends AbstractController
{
  use RedirectToRefererTrait;

  public function submit(Request $request): Response
  {
    // ... handle form ...
    return $this->redirectToReferer($request);
    // Optional: merge params and set status
    // return $this->redirectToReferer($request, ['success' => 1], 303);
  }
}

When the request has a valid Referer header (same host as the current request, path matches a route in your app), the user is redirected there (with path and query params preserved). Otherwise they are redirected to the configured default_route.

safeForward

Use the trait in any controller that has forward() (e.g. AbstractController):

use Nowo\ControllerKitBundle\Controller\SafeForwardTrait;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;

class ApiController extends AbstractController
{
  use SafeForwardTrait;

  public function delegate(): Response
  {
    return $this->safeForward(
      OtherController::class,
      'actionName',
      ['id' => 123],
      ['page' => 1]
    );
  }
}

If OtherController::actionName does not exist, a BadMethodCallException is thrown instead of a generic error.

requireValidForm / requireValidCsrfForm / acceptSubmittedForm

use Nowo\ControllerKitBundle\Controller\RequiresValidFormTrait;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;

class MemberController extends AbstractController
{
  use RequiresValidFormTrait;

  public function delete(Request $request): Response
  {
    $form = $this->createForm(DeleteMemberType::class)->handleRequest($request);
    $this->requireValidCsrfForm($form); // 403 "Invalid CSRF token." when not submitted / invalid
    // ...
  }

  public function changeRole(Request $request): Response
  {
    $form = $this->createForm(MemberRoleType::class)->handleRequest($request);
    if (!$this->acceptSubmittedForm($form, 'role', 'flash.member_invalid_role')) {
      return $this->redirectToRoute('members'); // only "role" was invalid: error flash already added
    }
    // ...
  }
}

Requires symfony/form and symfony/security-core in your application (suggested, not required, by the bundle).

#[MapScopedEntity]

use Nowo\ControllerKitBundle\Attribute\MapScopedEntity;

#[Route('/projects/{projectId}/issues/{issueId}')]
public function show(
  #[MapScopedEntity(parent: 'project', parentField: 'uuid', id: 'issueId', field: 'uuid')]
  Issue $issue, // 404 when missing OR when it belongs to another project
): Response {
  // ...
}

parent is the owner association on the entity, parentId the route attribute with the owner identifier (default {parent}Id), parentField the owner field it matches (default id); id / field do the same for the entity (default id / id); objectManager picks a named entity manager. See docs/USAGE.md.

Demo

demo/symfony8 — Symfony 8.1 (FrankenPHP PHP 8.5), host port 8011 by default

The demo runs FrankenPHP + Caddy in Docker with APP_ENV=dev. Runtime mode is FRANKENPHP_MODE (worker default, or classic for per-request PHP) — see docs/DEMO-FRANKENPHP.md.

Global demo commands: make -C demo help (e.g. make -C demo up-symfony8).

Development

make up
make install
make test
make cs-check
make phpstan
make igor
make release-check

nowo-tech / controller-kit-bundle

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