8000 Security: How to Build a Login Form: sync with recent Maker Bundle ch… · symfony/symfony-docs@f3d6674 · GitHub
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Security: How to Build a Login Form: sync with recent Maker Bundle changes
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‎security/form_login_setup.rst

Lines changed: 42 additions & 17 deletions
Original file line numberDiff line numberDiff line change
@@ -65,15 +65,24 @@ class that processes the login submit and 4) updates the main security config fi
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*/
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public function login(AuthenticationUtils $authenticationUtils): Response
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{
68+
// if ($this->getUser()) {
69+
// return $this->redirectToRoute('target_path');
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// }
71+
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// get the login error if there is one
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$error = $authenticationUtils->getLastAuthenticationError();
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// last username entered by the user
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$lastUsername = $authenticationUtils->getLastUsername();
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73-
return $this->render('security/login.html.twig', [
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'last_username' => $lastUsername,
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'error' => $error
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]);
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return $this->render('security/login.html.twig', ['last_username' => $lastUsername, 'error' => $error]);
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}
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/**
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* @Route("/logout", name="app_logout")
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*/
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public function logout()
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{
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throw new \Exception('This method can be blank - it will be intercepted by the logout key on your firewall');
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}
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}
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@@ -137,11 +146,17 @@ a traditional HTML form that submits to ``/login``:
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<div class="alert alert-danger">{{ error.messageKey|trans(error.messageData, 'security') }}</div>
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{% endif %}
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149+
{% if app.user %}
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<div class="mb-3">
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You are logged in as {{ app.user.username }}, <a href="{{ path('app_logout') }}">Logout</a>
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</div>
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{% endif %}
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<h1 class="h3 mb-3 font-weight-normal">Please sign in</h1>
141-
<label for="inputEmail" class="sr-only">Email</label>
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<input type="email" value="{{ last_username }}" name="email" id="inputEmail" class="form-control" placeholder="Email" required autofocus>
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<label for="inputPassword" class="sr-only">Password</label>
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<input type="password" name="password" id="inputPassword" class="form-control" placeholder="Password" required>
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<label for="inputEmail">Email</label>
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<input type="email" value="{{ last_username }}" name="email" id="inputEmail" class="form-control" required autofocus>
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<label for="inputPassword">Password</label>
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<input type="password" name="password" id="inputPassword" class="form-control" required>
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<input type="hidden" name="_csrf_token"
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value="{{ csrf_token('authenticate') }}"
@@ -171,10 +186,9 @@ a traditional HTML form that submits to ``/login``:
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use App\Entity\User;
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use Doctrine\ORM\EntityManagerInterface;
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use Symfony\Component\HttpFoundation\RedirectResponse;
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use Symfony\Component\HttpFoundation\Request;
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use Symfony\Component\Routing\RouterInterface;
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use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
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use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
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use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;
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use Symfony\Component\Security\Core\Exception\CustomUserMessageAuthenticationException;
@@ -185,21 +199,22 @@ a traditional HTML form that submits to ``/login``:
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use Symfony\Component\Security\Csrf\CsrfToken;
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use Symfony\Component\Security\Csrf\CsrfTokenManagerInterface;
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use Symfony\Component\Security\Guard\Authenticator\AbstractFormLoginAuthenticator;
202+
use Symfony\Component\Security\Guard\PasswordAuthenticatedInterface;
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use Symfony\Component\Security\Http\Util\TargetPathTrait;
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190-
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator
205+
class LoginFormAuthenticator extends AbstractFormLoginAuthenticator implements PasswordAuthenticatedInterface
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{
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use TargetPathTrait;
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private $entityManager;
195-
private $router;
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private $urlGenerator;
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private $csrfTokenManager;
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private $passwordEncoder;
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199-
public function __construct(EntityManagerInterface $entityManager, RouterInterface $router, CsrfTokenManagerInterface $csrfTokenManager, UserPasswordEncoderInterface $passwordEncoder)
214+
public function __construct(EntityManagerInterface $entityManager, UrlGeneratorInterface $urlGenerator, CsrfTokenManagerInterface $csrfTokenManager, UserPasswordEncoderInterface $passwordEncoder)
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{
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$this->entityManager = $entityManager;
202-
$this->router = $router;
217+
$this->urlGenerator = $urlGenerator;
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$this->csrfTokenManager = $csrfTokenManager;
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$this->passwordEncoder = $passwordEncoder;
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}
@@ -247,23 +262,31 @@ a traditional HTML form that submits to ``/login``:
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return $this->passwordEncoder->isPasswordValid($user, $credentials['password']);
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}
249264

265+
/**
266+
* Used to upgrade (rehash) the user's password automatically over time.
267+
*/
268+
public function getPassword($credentials): ?string
269+
{
270+
return $credentials['password'];
271+
}
272+
250273
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey)
251274
{
252275
if ($targetPath = $this->getTargetPath($request->getSession(), $providerKey)) {
253276
return new RedirectResponse($targetPath);
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}
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256-
// For example : return new RedirectResponse($this->router->generate('some_route'));
279+
// For example : return new RedirectResponse($this->urlGenerator->generate('some_route'));
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throw new \Exception('TODO: provide a valid redirect inside '.__FILE__);
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}
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260283
protected function getLoginUrl()
261284
{
262-
return $this->router->generate('app_login');
285+
return $this->urlGenerator->generate('app_login');
263286
}
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}
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266-
**Step 4.** Updates the main security config file to enable the Guard authenticator:
289+
**Step 4.** Updates the main security config file to enable the Guard authenticator and configure logout route:
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268291
.. configuration-block::
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@@ -279,6 +302,8 @@ a traditional HTML form that submits to ``/login``:
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guard:
280303
authenticators:
281304
- App\Security\LoginFormAuthenticator
305+
logout:
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path: app_logout
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.. code-block:: xml
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