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GandalfAuthenticator
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1
1<?php
2
3namespace App\Security;
4
5use Symfony\Component\HttpFoundation\RedirectResponse;
6use Symfony\Component\HttpFoundation\Request;
7use Symfony\Component\HttpFoundation\Response;
8use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
9use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
10use Symfony\Component\Security\Core\Security;
11use Symfony\Component\Security\Http\Authenticator\AbstractLoginFormAuthenticator;
12use Symfony\Component\Security\Http\Authenticator\Passport\Badge\CsrfTokenBadge;
13use Symfony\Component\Security\Http\Authenticator\Passport\Badge\UserBadge;
14use Symfony\Component\Security\Http\Authenticator\Passport\Credentials\PasswordCredentials;
15use Symfony\Component\Security\Http\Authenticator\Passport\Passport;
16use Symfony\Component\Security\Http\Util\TargetPathTrait;
17
18class GandalfAuthenticator extends AbstractLoginFormAuthenticator
19{
20    use TargetPathTrait;
21
22    public const LOGIN_ROUTE = 'app_login';
23
24    private UrlGeneratorInterface $urlGenerator;
25
26    public function __construct(UrlGeneratorInterface $urlGenerator)
27    {
28        $this->urlGenerator = $urlGenerator;
29    }
30
31    public function authenticate(Request $request): Passport
32    {
33        $email = $request->request->get('email', '');
34
35        $request->getSession()->set(Security::LAST_USERNAME, $email);
36
37        return new Passport(
38            new UserBadge($email),
39            new PasswordCredentials($request->request->get('password', '')),
40            [
41                new CsrfTokenBadge('authenticate', $request->request->get('_csrf_token')),
42            ]
43        );
44    }
45
46    public function onAuthenticationSuccess(Request $request, TokenInterface $token, string $firewallName): ?Response
47    {
48        if ($targetPath = $this->getTargetPath($request->getSession(), $firewallName)) {
49            return new RedirectResponse($targetPath);
50        }
51
52        // For example:
53        return new RedirectResponse($this->urlGenerator->generate('default'));
54        // throw new \Exception('TODO: provide a valid redirect inside '.__FILE__);
55    }
56
57    protected function getLoginUrl(Request $request): string
58    {
59        return $this->urlGenerator->generate(self::LOGIN_ROUTE);
60    }
61}