2 namespace Wallabag\ApiBundle\Security\Authentication\Provider
;
4 use Symfony\Component\Security\Core\Authentication\Provider\AuthenticationProviderInterface
;
5 use Symfony\Component\Security\Core\User\UserProviderInterface
;
6 use Symfony\Component\Security\Core\Exception\AuthenticationException
;
7 use Symfony\Component\Security\Core\Exception\NonceExpiredException
;
8 use Symfony\Component\Security\Core\Authentication\Token\TokenInterface
;
9 use Wallabag\ApiBundle\Security\Authentication\Token\WsseUserToken
;
11 class WsseProvider
implements AuthenticationProviderInterface
13 private $userProvider;
16 public function __construct(UserProviderInterface
$userProvider, $cacheDir)
18 $this->userProvider
= $userProvider;
19 $this->cacheDir
= $cacheDir;
21 // If cache directory does not exist we create it
22 if (!is_dir($this->cacheDir
)) {
23 mkdir($this->cacheDir
, 0777, true);
27 public function authenticate(TokenInterface
$token)
29 $user = $this->userProvider
->loadUserByUsername($token->getUsername());
32 throw new AuthenticationException("Bad credentials. Did you forgot your username?");
35 if ($user && $this->validateDigest($token->digest
, $token->nonce
, $token->created
, $user->getPassword())) {
36 $authenticatedToken = new WsseUserToken($user->getRoles());
37 $authenticatedToken->setUser($user);
39 return $authenticatedToken;
42 throw new AuthenticationException('The WSSE authentication failed.');
45 protected function validateDigest($digest, $nonce, $created, $secret)
47 // Check created time is not in the future
48 if (strtotime($created) > time()) {
49 throw new AuthenticationException("Back to the future...");
52 // Expire timestamp after 5 minutes
53 if (time() - strtotime($created) > 300) {
54 throw new AuthenticationException("Too late for this timestamp... Watch your watch.");
57 // Validate nonce is unique within 5 minutes
58 if (file_exists($this->cacheDir
.'/'.$nonce) && file_get_contents($this->cacheDir
.'/'.$nonce) +
300 > time()) {
59 throw new NonceExpiredException('Previously used nonce detected');
62 file_put_contents($this->cacheDir
.'/'.$nonce, time());
65 $expected = base64_encode(sha1(base64_decode($nonce).$created.$secret, true));
67 if ($digest !== $expected) {
68 throw new AuthenticationException("Bad credentials ! Digest is not as expected.");
71 return $digest === $expected;
74 public function supports(TokenInterface
$token)
76 return $token instanceof WsseUserToken
;