<?php
/**
* Created by PhpStorm.
* User: samuelp
* Date: 1/21/18
* Time: 2:10 PM
*/
namespace App\Api\Authentication;
use App\Entity\User;
use Doctrine\ORM\EntityManagerInterface;
use Lexik\Bundle\JWTAuthenticationBundle\Encoder\JWTEncoderInterface;
use Lexik\Bundle\JWTAuthenticationBundle\TokenExtractor\AuthorizationHeaderTokenExtractor;
use Symfony\Component\HttpFoundation\JsonResponse;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
use Symfony\Component\Security\Core\Exception\AuthenticationException;
use Symfony\Component\Security\Core\Exception\CustomUserMessageAuthenticationException;
use Symfony\Component\Security\Core\User\UserInterface;
use Symfony\Component\Security\Core\User\UserProviderInterface;
use Symfony\Component\Security\Guard\AbstractGuardAuthenticator;
class Authenticator extends AbstractGuardAuthenticator {
/**
* @var JWTEncoderInterface
*/
private $JWTEncoder;
/**
* @var EntityManagerInterface
*/
private $entityManager;
public function __construct(JWTEncoderInterface $JWTEncoder, EntityManagerInterface $entityManager) {
$this->JWTEncoder = $JWTEncoder;
$this->entityManager = $entityManager;
}
/**
* Get the authentication credentials from the request and return them
* as any type (e.g. an associate array).
*
* Whatever value you return here will be passed to getUser() and checkCredentials()
*
* For example, for a form login, you might:
*
* return array(
* 'username' => $request->request->get('_username'),
* 'password' => $request->request->get('_password'),
* );
*
* Or for an API token that's on a header, you might use:
*
* return array('api_key' => $request->headers->get('X-API-TOKEN'));
*
* @param Request $request
*
* @return mixed Any non-null value
*
* @throws \UnexpectedValueException If null is returned
*/
public function getCredentials(Request $request) {
// dump($request);die;
$extractor = new AuthorizationHeaderTokenExtractor(
'Bearer', 'Auth'
);
$token = $extractor->extract($request);
if(!$token){
return ;
}
return $token;
}
/**
* Return a UserInterface object based on the credentials.
*
* The *credentials* are the return value from getCredentials()
*
* You may throw an AuthenticationException if you wish. If you return
* null, then a UsernameNotFoundException is thrown for you.
*
* @param mixed $credentials
* @param UserProviderInterface $userProvider
*
* @throws AuthenticationException
*
* @return UserInterface|null
*/
public function getUser($credentials, UserProviderInterface $userProvider) {
$data = null;
try {
$data = $this->JWTEncoder->decode($credentials);
} catch (\Exception $e) {
throw new \Symfony\Component\Security\Core\Exception\BadCredentialsException($e->getMessage(), 0, $e);
}
if($data === false){
/*$response = [
'message' => "Invalid Token"
];*/
throw new CustomUserMessageAuthenticationException("Invalid Token");
}
$id = $data['user_id'];
return $this->entityManager->getRepository(User::class)->findOneBy([
'id' => $id
]);
}
/**
* Returns true if the credentials are valid.
*
* If any value other than true is returned, authentication will
* fail. You may also throw an AuthenticationException if you wish
* to cause authentication to fail.
*
* The *credentials* are the return value from getCredentials()
*
* @param mixed $credentials
* @param UserInterface $user
*
* @return bool
*
* @throws AuthenticationException
*/
public function checkCredentials($credentials, UserInterface $user) {
// TODO: Implement checkCredentials() method.
return true;
}
/**
* Called when authentication executed, but failed (e.g. wrong username password).
*
* This should return the Response sent back to the user, like a
* RedirectResponse to the login page or a 403 response.
*
* If you return null, the request will continue, but the user will
* not be authenticated. This is probably not what you want to do.
*
* @param Request $request
* @param AuthenticationException $exception
*
* @return Response|null
*/
public function onAuthenticationFailure(Request $request, AuthenticationException $exception) {
// TODO: Implement onAuthenticationFailure() method.
/* $response = new JsonResponse([
'error' => [
'message' => $exception->getMessage()
]
],Response::HTTP_UNAUTHORIZED );*/
$response = new JsonResponse([
'error' => $exception->getMessage().': Please login again'
],Response::HTTP_UNAUTHORIZED );
return $response;
}
/**
* Called when authentication executed and was successful!
*
* This should return the Response sent back to the user, like a
* RedirectResponse to the last page they visited.
*
* If you return null, the current request will continue, and the user
* will be authenticated. This makes sense, for example, with an API.
*
* @param Request $request
* @param TokenInterface $token
* @param string $providerKey The provider (i.e. firewall) key
*
* @return Response|null
*/
public function onAuthenticationSuccess(Request $request, TokenInterface $token, $providerKey) {
// TODO: Implement onAuthenticationSuccess() method.
return;
}
/**
* Does this method support remember me cookies?
*
* Remember me cookie will be set if *all* of the following are met:
* A) This method returns true
* B) The remember_me key under your firewall is configured
* C) The "remember me" functionality is activated. This is usually
* done by having a _remember_me checkbox in your form, but
* can be configured by the "always_remember_me" and "remember_me_parameter"
* parameters under the "remember_me" firewall key
* D) The onAuthenticationSuccess method returns a Response object
*
* @return bool
*/
public function supportsRememberMe() {
// TODO: Implement supportsRememberMe() method.
return false;
}
/**
* Returns a response that directs the user to authenticate.
*
* This is called when an anonymous request accesses a resource that
* requires authentication. The job of this method is to return some
* response that "helps" the user start into the authentication process.
*
* Examples:
* A) For a form login, you might redirect to the login page
* return new RedirectResponse('/login');
* B) For an API token authentication system, you return a 401 response
* return new Response('Auth header required', 401);
*
* @param Request $request The request that resulted in an AuthenticationException
* @param AuthenticationException $authException The exception that started the authentication process
*
* @return Response
*/
public function start(Request $request, AuthenticationException $authException = null) {
return new JsonResponse([
'error' => [
'message' => 'auth required'
]
], Response::HTTP_UNAUTHORIZED);
}
public function supports(Request $request): bool
{
// TODO: Implement supports() method.
if($request->headers->get('Auth')){
return true;
}
return false;
}
}