romeritoCL / paypal-playground

src/Security/Authenticator.php

<?php

namespace App\Security;

use Exception;
use Symfony\Component\HttpFoundation\RedirectResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
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\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\Http\Util\TargetPathTrait;

/**
 * Class Authenticator
 * @package App\Security
 */
class Authenticator extends AbstractFormLoginAuthenticator
{
    use TargetPathTrait;

    public const LOGIN_ROUTE = 'app_login';

    /**
     * @var UrlGeneratorInterface
     */
    private $urlGenerator;

    /**
     * @var CsrfTokenManagerInterface
     */
    private $csrfTokenManager;

    /**
     * Authenticator constructor.
     * @param UrlGeneratorInterface $urlGenerator
     * @param CsrfTokenManagerInterface $csrfTokenManager
     */
    public function __construct(UrlGeneratorInterface $urlGenerator, CsrfTokenManagerInterface $csrfTokenManager)
    {
        $this->urlGenerator = $urlGenerator;
        $this->csrfTokenManager = $csrfTokenManager;
    }

    /**
     * @param Request $request
     * @return bool
     */
    public function supports(Request $request)
    {
        return self::LOGIN_ROUTE === $request->attributes->get('_route')
            && $request->isMethod('POST');
    }

    /**
     * @param Request $request
     * @return array|mixed
     */
    public function getCredentials(Request $request)
    {
        $credentials = [
            'email' => $request->request->get('email'),
            'csrf_token' => $request->request->get('_csrf_token'),
        ];
        $request->getSession()->set(
            Security::LAST_USERNAME,
            $credentials['email']
        );

        return $credentials;
    }

    /**
     * @param mixed $credentials
     * @param UserProviderInterface $userProvider
     * @return UserInterface|null
     */
    public function getUser($credentials, UserProviderInterface $userProvider)
    {
        $token = new CsrfToken('authenticate', $credentials['csrf_token']);
        if (!$this->csrfTokenManager->isTokenValid($token)) {
            throw new InvalidCsrfTokenException();
        }

        $user = $userProvider->loadUserByUsername($credentials['email']);

        if (!$user) {

$user is of type Symfony\Component\Security\Core\User\UserInterface, thus it always evaluated to true.

            throw new CustomUserMessageAuthenticationException('Email could not be found.');
        }

        return $user;
    }

    /**
     * @param mixed $credentials
     * @param UserInterface $user
     *
     * @return true
     */
    public function checkCredentials($credentials, UserInterface $user)
    {
        return true;
    }

    /**
     * @param Request $request
     * @param TokenInterface $token
     * @param string $providerKey
     *
     * @return RedirectResponse|Response|null
     *
     * @throws Exception
     */
    public function onAuthenticationSuccess(Request $request, TokenInterface $token, string $providerKey)
    {
        if ($targetPath = $this->getTargetPath($request->getSession(), $providerKey)) {
            return new RedirectResponse($targetPath);
        }

        return new RedirectResponse($this->urlGenerator->generate('index'));
    }

    /**
     * @return string
     */
    protected function getLoginUrl()
    {
        return $this->urlGenerator->generate(self::LOGIN_ROUTE);
    }
}