Symfony 5 抛出拒绝访问异常

Symfony 5 throwing Access Denied Exception

我正在尝试使用多个身份验证器(针对每个用户角色)。他们在最后一个之前工作正常,它将未经身份验证的用户重定向到 URL /dashboard/ 以登录,但是对 /dashboard 的请求被抛出 AccessDeniedHttpException:

这是我的 security.yaml 文件,其中包含所有防火墙:

security:
    encoders:
        App\Entity\User:
            algorithm: sha512

    providers:
        app_user_provider:
            entity:
                class: App\Entity\User
                property: email
    firewalls:
        dev:
            pattern: ^/(_(profiler|wdt)|css|images|js)/
            security: false
        main:
            pattern: ^/admin/
            anonymous: lazy
            provider: app_user_provider
            guard:
                authenticators:
                    - App\Security\AdminAuthenticator
            logout:
                path: admin_logout
        expert:
            pattern: ^/dashboard/
            anonymous: lazy
            provider: app_user_provider
            guard:
                authenticators:
                    - App\Security\ExpertAuthenticator
            logout:
                path: expert_logout
        user:
            anonymous: lazy
            provider: app_user_provider
            guard:
                authenticators:
                    - App\Security\UserAuthenticator
            logout:
                path: user_logout

    access_control:
        - { path: ^/$, roles: IS_AUTHENTICATED_ANONYMOUSLY }
        - { path: ^/admin/login, roles: IS_AUTHENTICATED_ANONYMOUSLY }
        - { path: ^/admin, roles: ROLE_ADMIN }

        - { path: ^/ask, roles: ROLE_USER }

        - { path: ^/dashboard/login, roles: IS_AUTHENTICATED_ANONYMOUSLY }
        - { path: ^/dashboard, roles: ROLE_EXPERT }

我认为没有必要在此处粘贴验证器,因为它是 Symfony 5 make:auth maker 命令默认值,我为所有三个验证器复制并粘贴了它,同时仅更改 public const LOGIN_ROUTE = 'user_login';onAuthenticationSuccess() 函数的重定向响应路径。

我也用默认的SecurityController:

namespace App\Controller\Expert;

use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;
use Symfony\Component\Security\Http\Authentication\AuthenticationUtils;

/**
 * Class SecurityController
 * @package App\Controller\Expert
 * @Route("/dashboard")
 */
class SecurityController extends AbstractController
{
    /**
     * @Route("/login", name="expert_login")
     */
    public function login(AuthenticationUtils $authenticationUtils): Response
    {
        if ($this->getUser()) {
            return $this->redirectToRoute('expert_index');
        }

        // get the login error if there is one
        $error = $authenticationUtils->getLastAuthenticationError();
        // last username entered by the user
        $lastUsername = $authenticationUtils->getLastUsername();

        return $this->render('expert/security/login.html.twig', ['last_username' => $lastUsername, 'error' => $error]);
    }

    /**
     * @Route("/logout", name="expert_logout")
     */
    public function logout()
    {
        $this->addFlash('success', 'Session closed');
        return $this->redirectToRoute('expert_index');
    }
}

每当我访问 /admin/admin/whatever/ask/ask/whatever 时,我都会被重定向到其各自的登录表单(/admin/login/ask/dashboard).

如果我不是从另一个身份验证器登录的,或者如果我是使用 ROLE_EXPERT 登录的,我可以直接访问 /dashboard/login。如果没有,我将得到上述异常。

嗯,你知道发生了什么事吗?

您应该将 - { path: ^/$, roles: IS_AUTHENTICATED_ANONYMOUSLY } 作为最后一个 access_control 条目移动。

那是因为 Symfony 在你写它的时候解析它(把它想象成一个 FIFO 队列)并且,因为 / 可以以匿名方式访问,关联的令牌将是匿名的(它不会'不要尝试从会话或其他内容中读取)。