From e7de1931fc38050565709d1170e683d8bacdf700 Mon Sep 17 00:00:00 2001
From: tracer <tracer@24unix.net>
Date: Sun, 30 May 2021 17:44:10 +0200
Subject: [PATCH] added authenticator
---
config/packages/security.yaml | 7 ++
src/Controller/SecurityController.php | 36 +++++++++
src/Security/AppAuthenticator.php | 106 ++++++++++++++++++++++++++
templates/security/login.html.twig | 42 ++++++++++
4 files changed, 191 insertions(+)
create mode 100644 src/Controller/SecurityController.php
create mode 100644 src/Security/AppAuthenticator.php
create mode 100644 templates/security/login.html.twig
diff --git a/config/packages/security.yaml b/config/packages/security.yaml
index 31bce8a..f8bd720 100644
--- a/config/packages/security.yaml
+++ b/config/packages/security.yaml
@@ -18,6 +18,13 @@ security:
anonymous: true
lazy: true
provider: app_user_provider
+ guard:
+ authenticators:
+ - App\Security\AppAuthenticator
+ logout:
+ path: app_logout
+ # where to redirect after logout
+ # target: app_any_route
# activate different ways to authenticate
# https://symfony.com/doc/current/security.html#firewalls-authentication
diff --git a/src/Controller/SecurityController.php b/src/Controller/SecurityController.php
new file mode 100644
index 0000000..ed5a595
--- /dev/null
+++ b/src/Controller/SecurityController.php
@@ -0,0 +1,36 @@
+<?php
+
+namespace App\Controller;
+
+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 extends AbstractController
+{
+ /**
+ * @Route("/login", name="app_login")
+ */
+ public function login(AuthenticationUtils $authenticationUtils): Response
+ {
+ // if ($this->getUser()) {
+ // return $this->redirectToRoute('target_path');
+ // }
+
+ // get the login error if there is one
+ $error = $authenticationUtils->getLastAuthenticationError();
+ // last username entered by the user
+ $lastUsername = $authenticationUtils->getLastUsername();
+
+ return $this->render('security/login.html.twig', ['last_username' => $lastUsername, 'error' => $error]);
+ }
+
+ /**
+ * @Route("/logout", name="app_logout")
+ */
+ public function logout()
+ {
+ throw new \LogicException('This method can be blank - it will be intercepted by the logout key on your firewall.');
+ }
+}
diff --git a/src/Security/AppAuthenticator.php b/src/Security/AppAuthenticator.php
new file mode 100644
index 0000000..bb5b251
--- /dev/null
+++ b/src/Security/AppAuthenticator.php
@@ -0,0 +1,106 @@
+<?php
+
+namespace App\Security;
+
+use App\Entity\User;
+use Doctrine\ORM\EntityManagerInterface;
+use Symfony\Component\HttpFoundation\RedirectResponse;
+use Symfony\Component\HttpFoundation\Request;
+use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
+use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
+use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;
+use Symfony\Component\Security\Core\Exception\InvalidCsrfTokenException;
+use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
+use Symfony\Component\Security\Core\Security;
+use Symfony\Component\Security\Core\User\UserInterface;
+use Symfony\Component\Security\Core\User\UserProviderInterface;
+use Symfony\Component\Security\Csrf\CsrfToken;
+use Symfony\Component\Security\Csrf\CsrfTokenManagerInterface;
+use Symfony\Component\Security\Guard\Authenticator\AbstractFormLoginAuthenticator;
+use Symfony\Component\Security\Guard\PasswordAuthenticatedInterface;
+use Symfony\Component\Security\Http\Util\TargetPathTrait;
+
+class AppAuthenticator extends AbstractFormLoginAuthenticator implements PasswordAuthenticatedInterface
+{
+ use TargetPathTrait;
+
+ public const LOGIN_ROUTE = 'app_login';
+
+ private $entityManager;
+ private $urlGenerator;
+ private $csrfTokenManager;
+ private $passwordEncoder;
+
+ public function __construct(EntityManagerInterface $entityManager, UrlGeneratorInterface $urlGenerator, CsrfTokenManagerInterface $csrfTokenManager, UserPasswordEncoderInterface $passwordEncoder)
+ {
+ $this->entityManager = $entityManager;
+ $this->urlGenerator = $urlGenerator;
+ $this->csrfTokenManager = $csrfTokenManager;
+ $this->passwordEncoder = $passwordEncoder;
+ }
+
+ public function supports(Request $request)
+ {
+ return self::LOGIN_ROUTE === $request->attributes->get('_route')
+ && $request->isMethod('POST');
+ }
+
+ public function getCredentials(Request $request)
+ {
+ $credentials = [
+ 'username' => $request->request->get('username'),
+ 'password' => $request->request->get('password'),
+ 'csrf_token' => $request->request->get('_csrf_token'),
+ ];
+ $request->getSession()->set(
+ Security::LAST_USERNAME,
+ $credentials['username']
+ );
+
+ return $credentials;
+ }
+
+ public function getUser($credentials, UserProviderInterface $userProvider)
+ {
+ $token = new CsrfToken('authenticate', $credentials['csrf_token']);
+ if (!$this->csrfTokenManager->isTokenValid($token)) {
+ throw new InvalidCsrfTokenException();
+ }
+
+ $user = $this->entityManager->getRepository(User::class)->findOneBy(['username' => $credentials['username']]);
+
+ if (!$user) {
+ throw new UsernameNotFoundException('Username could not be found.');
+ }
+
+ return $user;
+ }
+
+ public function checkCredentials($credentials, UserInterface $user)
+ {
+ return $this->passwordEncoder->isPasswordValid($user, $credentials['password']);
+ }
+
+ /**
+ * Used to upgrade (rehash) the user's password automatically over time.
+ */
+ public function getPassword($credentials): ?string
+ {
+ return $credentials['password'];
+ }
+
+ public function onAuthenticationSuccess(Request $request, TokenInterface $token, string $providerKey)
+ {
+ if ($targetPath = $this->getTargetPath($request->getSession(), $providerKey)) {
+ return new RedirectResponse($targetPath);
+ }
+
+ // For example : return new RedirectResponse($this->urlGenerator->generate('some_route'));
+ throw new \Exception('TODO: provide a valid redirect inside '.__FILE__);
+ }
+
+ protected function getLoginUrl()
+ {
+ return $this->urlGenerator->generate(self::LOGIN_ROUTE);
+ }
+}
diff --git a/templates/security/login.html.twig b/templates/security/login.html.twig
new file mode 100644
index 0000000..fbaba11
--- /dev/null
+++ b/templates/security/login.html.twig
@@ -0,0 +1,42 @@
+{% extends 'base.html.twig' %}
+
+{% block title %}Log in!{% endblock %}
+
+{% block body %}
+<form method="post">
+ {% if error %}
+ <div class="alert alert-danger">{{ error.messageKey|trans(error.messageData, 'security') }}</div>
+ {% endif %}
+
+ {% if app.user %}
+ <div class="mb-3">
+ You are logged in as {{ app.user.username }}, <a href="{{ path('app_logout') }}">Logout</a>
+ </div>
+ {% endif %}
+
+ <h1 class="h3 mb-3 font-weight-normal">Please sign in</h1>
+ <label for="inputUsername">Username</label>
+ <input type="text" value="{{ last_username }}" name="username" id="inputUsername" class="form-control" autocomplete="username" required autofocus>
+ <label for="inputPassword">Password</label>
+ <input type="password" name="password" id="inputPassword" class="form-control" autocomplete="current-password" required>
+
+ <input type="hidden" name="_csrf_token"
+ value="{{ csrf_token('authenticate') }}"
+ >
+
+ {#
+ Uncomment this section and add a remember_me option below your firewall to activate remember me functionality.
+ See https://symfony.com/doc/current/security/remember_me.html
+
+ <div class="checkbox mb-3">
+ <label>
+ <input type="checkbox" name="_remember_me"> Remember me
+ </label>
+ </div>
+ #}
+
+ <button class="btn btn-lg btn-primary" type="submit">
+ Sign in
+ </button>
+</form>
+{% endblock %}