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<?php |
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namespace TH\OAuth2; |
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use Symfony\Component\Security\Core\Authentication\Provider\AuthenticationProviderInterface; |
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use Symfony\Component\Security\Core\Authentication\Token\TokenInterface; |
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use Symfony\Component\Security\Core\User\UserCheckerInterface; |
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use Symfony\Component\Security\Core\User\UserInterface; |
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use Symfony\Component\Security\Core\User\UserProviderInterface; |
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use Symfony\Component\Security\Core\Exception\UsernameNotFoundException; |
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use Symfony\Component\Security\Core\Exception\AuthenticationServiceException; |
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use Symfony\Component\Security\Core\Exception\BadCredentialsException; |
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use Symfony\Component\Security\Core\Role\SwitchUserRole; |
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class OAuth2AuthentificationProvider implements AuthenticationProviderInterface |
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{ |
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/** @var UserProviderInterface */ |
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private $userProvider; |
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/** @var UserCheckerInterface */ |
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private $userChecker; |
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private $providerKey; |
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private $hideUserNotFoundExceptions; |
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public function __construct(UserProviderInterface $userProvider, UserCheckerInterface $userChecker, $providerKey, $hideUserNotFoundExceptions = true) |
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{ |
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$this->userProvider = $userProvider; |
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$this->userChecker = $userChecker; |
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$this->providerKey = $providerKey; |
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$this->hideUserNotFoundExceptions = $hideUserNotFoundExceptions; |
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} |
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public function supports(TokenInterface $token) |
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{ |
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return $token instanceof OAuth2Token && $token->getProviderKey() == $this->providerKey; |
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} |
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public function authenticate(TokenInterface $token) |
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{ |
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$user = null; |
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if (!$this->supports($token)) { |
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return; |
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} |
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$username = $token->getUsername(); |
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if (!empty($username)) { |
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$user = $this->retrieveUser($username, $token); |
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if (!$user instanceof UserInterface) { |
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throw new AuthenticationServiceException('retrieveUser() must return a UserInterface.'); |
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} |
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$this->checkUser($user); |
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} |
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return $this->authenticatedToken($token, $user); |
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} |
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private function authenticatedToken(TokenInterface $token, UserInterface $user = null) |
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{ |
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if (!$token instanceof OAuth2Token) { |
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throw new Exception ("token should be instance of OAuth2Token"); |
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} |
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$authenticatedToken = new OAuth2Token( |
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$token->getClient(), |
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$user, |
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$token->getCredentials(), |
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$this->providerKey, |
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$this->getRoles($token, $user), |
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$token->hasAttribute('scopes') ? $token->getAttribute('scopes') : [] |
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); |
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$authenticatedToken->setAttributes($token->getAttributes()); |
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return $authenticatedToken; |
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} |
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/** |
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* @param string $username |
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*/ |
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private function retrieveUser($username, TokenInterface $token) |
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{ |
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$user = $token->getUser(); |
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if ($user instanceof UserInterface) { |
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return $user; |
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} |
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try { |
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return $this->getUser($username); |
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} catch (UsernameNotFoundException $notFound) { |
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$this->hideUserNotFoundExceptions($notFound, $username); |
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} catch (\Exception $repositoryProblem) { |
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$ex = new AuthenticationServiceException($repositoryProblem->getMessage(), 0, $repositoryProblem); |
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$ex->setToken($token); |
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throw $ex; |
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} |
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} |
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/** |
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* @param string $username |
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*/ |
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private function hideUserNotFoundExceptions(UsernameNotFoundException $notFound, $username) |
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{ |
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if ($this->hideUserNotFoundExceptions) { |
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throw new BadCredentialsException('Bad credentials.', 0, $notFound); |
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} |
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$notFound->setUsername($username); |
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throw $notFound; |
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} |
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private function getRoles(TokenInterface $token, UserInterface $user = null) |
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{ |
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if (null === $user) { |
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return []; |
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} |
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$roles = $user->getRoles(); |
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foreach ($token->getRoles() as $role) { |
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if ($role instanceof SwitchUserRole) { |
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$roles[] = $role; |
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break; |
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} |
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} |
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return $roles; |
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} |
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/** |
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* @param string $username |
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*/ |
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private function getUser($username) |
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{ |
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$user = $this->userProvider->loadUserByUsername($username); |
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if (!$user instanceof UserInterface) { |
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throw new AuthenticationServiceException('The user provider must return a UserInterface object.'); |
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} |
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return $user; |
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} |
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private function checkUser(UserInterface $user) |
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{ |
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try { |
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$this->userChecker->checkPreAuth($user); |
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$this->userChecker->checkPostAuth($user); |
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} catch (BadCredentialsException $e) { |
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if ($this->hideUserNotFoundExceptions) { |
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throw new BadCredentialsException('Bad credentials.', 0, $e); |
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} |
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throw $e; |
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} |
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} |
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} |
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texthtml /
oauth2-provider
