<?php/* * This file is part of the Symfony package. * * (c) Fabien Potencier <fabien@symfony.com> * * For the full copyright and license information, please view the LICENSE * file that was distributed with this source code. */namespace Symfony\Component\Security\Guard\Provider;use Symfony\Component\PasswordHasher\Hasher\UserPasswordHasherInterface;use Symfony\Component\Security\Core\Authentication\Provider\AuthenticationProviderInterface;use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;use Symfony\Component\Security\Core\Exception\AuthenticationException;use Symfony\Component\Security\Core\Exception\AuthenticationExpiredException;use Symfony\Component\Security\Core\Exception\BadCredentialsException;use Symfony\Component\Security\Core\Exception\UserNotFoundException;use Symfony\Component\Security\Core\User\PasswordAuthenticatedUserInterface;use Symfony\Component\Security\Core\User\PasswordUpgraderInterface;use Symfony\Component\Security\Core\User\UserCheckerInterface;use Symfony\Component\Security\Core\User\UserInterface;use Symfony\Component\Security\Core\User\UserProviderInterface;use Symfony\Component\Security\Guard\AuthenticatorInterface;use Symfony\Component\Security\Guard\PasswordAuthenticatedInterface;use Symfony\Component\Security\Guard\Token\GuardTokenInterface;use Symfony\Component\Security\Guard\Token\PreAuthenticationGuardToken;trigger_deprecation('symfony/security-guard', '5.3', 'The "%s" class is deprecated, use the new authenticator system instead.', GuardAuthenticationProvider::class);/** * Responsible for accepting the PreAuthenticationGuardToken and calling * the correct authenticator to retrieve the authenticated token. * * @author Ryan Weaver <ryan@knpuniversity.com> * * @deprecated since Symfony 5.3, use the new authenticator system instead */class GuardAuthenticationProvider implements AuthenticationProviderInterface{ /** * @var AuthenticatorInterface[] */ private $guardAuthenticators; private $userProvider; private $providerKey; private $userChecker; private $passwordHasher; /** * @param iterable|AuthenticatorInterface[] $guardAuthenticators The authenticators, with keys that match what's passed to GuardAuthenticationListener * @param string $providerKey The provider (i.e. firewall) key * @param UserPasswordHasherInterface $passwordHasher */ public function __construct(iterable $guardAuthenticators, UserProviderInterface $userProvider, string $providerKey, UserCheckerInterface $userChecker, $passwordHasher = null) { $this->guardAuthenticators = $guardAuthenticators; $this->userProvider = $userProvider; $this->providerKey = $providerKey; $this->userChecker = $userChecker; $this->passwordHasher = $passwordHasher; if ($passwordHasher instanceof UserPasswordEncoderInterface) { trigger_deprecation('symfony/security-core', '5.3', sprintf('Passing a "%s" instance to the "%s" constructor is deprecated, use "%s" instead.', UserPasswordEncoderInterface::class, __CLASS__, UserPasswordHasherInterface::class)); } } /** * Finds the correct authenticator for the token and calls it. * * @param GuardTokenInterface $token * * @return TokenInterface */ public function authenticate(TokenInterface $token) { if (!$token instanceof GuardTokenInterface) { throw new \InvalidArgumentException('GuardAuthenticationProvider only supports GuardTokenInterface.'); } if (!$token instanceof PreAuthenticationGuardToken) { /* * The listener *only* passes PreAuthenticationGuardToken instances. * This means that an authenticated token (e.g. PostAuthenticationGuardToken) * is being passed here, which happens if that token becomes * "not authenticated" (e.g. happens if the user changes between * requests). In this case, the user should be logged out, so * we will return an AnonymousToken to accomplish that. */ // this should never happen - but technically, the token is // authenticated... so it could just be returned if ($token->isAuthenticated()) { return $token; } // this causes the user to be logged out throw new AuthenticationExpiredException(); } $guardAuthenticator = $this->findOriginatingAuthenticator($token); if (null === $guardAuthenticator) { throw new AuthenticationException(sprintf('Token with provider key "%s" did not originate from any of the guard authenticators of provider "%s".', $token->getGuardProviderKey(), $this->providerKey)); } return $this->authenticateViaGuard($guardAuthenticator, $token); } private function authenticateViaGuard(AuthenticatorInterface $guardAuthenticator, PreAuthenticationGuardToken $token): GuardTokenInterface { // get the user from the GuardAuthenticator $user = $guardAuthenticator->getUser($token->getCredentials(), $this->userProvider); if (null === $user) { $e = new UserNotFoundException(sprintf('Null returned from "%s::getUser()".', get_debug_type($guardAuthenticator))); // @deprecated since Symfony 5.3, change to $token->getUserIdentifier() in 6.0 $e->setUserIdentifier(method_exists($token, 'getUserIdentifier') ? $token->getUserIdentifier() : $token->getUsername()); throw $e; } if (!$user instanceof UserInterface) { throw new \UnexpectedValueException(sprintf('The "%s::getUser()" method must return a UserInterface. You returned "%s".', get_debug_type($guardAuthenticator), get_debug_type($user))); } if ($guardAuthenticator instanceof PasswordAuthenticatedInterface && !$user instanceof PasswordAuthenticatedUserInterface) { trigger_deprecation('symfony/security-guard', '5.3', 'Not implementing the "%s" interface in class "%s" while using password-based guard authenticators is deprecated.', PasswordAuthenticatedUserInterface::class, get_debug_type($user)); } $this->userChecker->checkPreAuth($user); if (true !== $checkCredentialsResult = $guardAuthenticator->checkCredentials($token->getCredentials(), $user)) { if (false !== $checkCredentialsResult) { throw new \TypeError(sprintf('"%s::checkCredentials()" must return a boolean value.', get_debug_type($guardAuthenticator))); } throw new BadCredentialsException(sprintf('Authentication failed because "%s::checkCredentials()" did not return true.', get_debug_type($guardAuthenticator))); } if ($this->userProvider instanceof PasswordUpgraderInterface && $guardAuthenticator instanceof PasswordAuthenticatedInterface && null !== $this->passwordHasher && (null !== $password = $guardAuthenticator->getPassword($token->getCredentials())) && $this->passwordHasher->needsRehash($user)) { if ($this->passwordHasher instanceof UserPasswordEncoderInterface) { // @deprecated since Symfony 5.3 $this->userProvider->upgradePassword($user, $this->passwordHasher->encodePassword($user, $password)); } else { $this->userProvider->upgradePassword($user, $this->passwordHasher->hashPassword($user, $password)); } } $this->userChecker->checkPostAuth($user); // turn the UserInterface into a TokenInterface $authenticatedToken = $guardAuthenticator->createAuthenticatedToken($user, $this->providerKey); if (!$authenticatedToken instanceof TokenInterface) { throw new \UnexpectedValueException(sprintf('The "%s::createAuthenticatedToken()" method must return a TokenInterface. You returned "%s".', get_debug_type($guardAuthenticator), get_debug_type($authenticatedToken))); } return $authenticatedToken; } private function findOriginatingAuthenticator(PreAuthenticationGuardToken $token): ?AuthenticatorInterface { // find the *one* GuardAuthenticator that this token originated from foreach ($this->guardAuthenticators as $key => $guardAuthenticator) { // get a key that's unique to *this* guard authenticator // this MUST be the same as GuardAuthenticationListener $uniqueGuardKey = $this->providerKey.'_'.$key; if ($uniqueGuardKey === $token->getGuardProviderKey()) { return $guardAuthenticator; } } // no matching authenticator found - but there will be multiple GuardAuthenticationProvider // instances that will be checked if you have multiple firewalls. return null; } public function supports(TokenInterface $token) { if ($token instanceof PreAuthenticationGuardToken) { return null !== $this->findOriginatingAuthenticator($token); } return $token instanceof GuardTokenInterface; }}