<?php
namespace App\Service\Security;
use App\Entity\User;
use Doctrine\ORM\EntityManagerInterface;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface;
use Symfony\Component\Routing\Generator\UrlGeneratorInterface;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Exception\CustomUserMessageAuthenticationException;
use Symfony\Component\Security\Core\Exception\InvalidCsrfTokenException;
use Symfony\Component\Security\Core\Security;
use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;
use Symfony\Component\Security\Core\User\UserProviderInterface;
use Symfony\Component\Security\Csrf\CsrfToken;
use Symfony\Component\Security\Csrf\CsrfTokenManagerInterface;
use Symfony\Component\Security\Http\Authenticator\AbstractLoginFormAuthenticator;
use Symfony\Component\Security\Http\Authenticator\Passport\Badge\CsrfTokenBadge;
use Symfony\Component\Security\Http\Authenticator\Passport\Badge\UserBadge;
use Symfony\Component\Security\Http\Authenticator\Passport\Credentials\PasswordCredentials;
use Symfony\Component\Security\Http\Authenticator\Passport\Passport;
use Symfony\Component\Security\Http\Util\TargetPathTrait;
class LoginFormAuthenticator extends AbstractLoginFormAuthenticator
{
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,
UserPasswordHasherInterface $passwordEncoder
) {
$this->entityManager = $entityManager;
$this->urlGenerator = $urlGenerator;
$this->csrfTokenManager = $csrfTokenManager;
$this->passwordEncoder = $passwordEncoder;
}
public function supports(Request $request): bool
{
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)
{
$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) {
// fail authentication with a custom error
throw new CustomUserMessageAuthenticationException('Username could not be found.');
}
return $user;
}
public function checkUserIsActive($credentials): bool
{
if (!$this->getUser($credentials)->getActive()) {
throw new CustomUserMessageAuthenticationException('Username could not be found.');
}
return true;
}
public function checkCredentials($credentials, PasswordAuthenticatedUserInterface $user): bool
{
if (!$user->getActive()) {
return false;
}
return $this->passwordEncoder->isPasswordValid($user, $credentials['password']);
}
public function onAuthenticationSuccess(Request $request, TokenInterface $token, string $providerKey): ?Response
{
if ($targetPath = $this->getTargetPath($request->getSession(), $providerKey)) {
return new RedirectResponse($targetPath);
}
return new RedirectResponse($this->urlGenerator->generate('dashboard'));
}
protected function getLoginUrl(Request $request): string
{
return $this->urlGenerator->generate(self::LOGIN_ROUTE);
}
public function authenticate(Request $request): Passport
{
$credentials = $this->getCredentials($request);
if ($this->checkUserIsActive($credentials)) {
return new Passport(
new UserBadge($credentials['username']),
new PasswordCredentials($credentials['password']),
[new CsrfTokenBadge('authenticate', $credentials['csrf_token'])]
);
}
}
}