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wouterjwouterj
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Created GuardAuthenticationManager to make Guard first-class Security
1 parent e464954 commit c321f4d

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4 files changed

+211
-59
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4 files changed

+211
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lines changed

‎src/Symfony/Component/Security/Core/Authentication/GuardAuthenticationManager.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Security\Core\Authentication;
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use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
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use Symfony\Component\Security\Core\AuthenticationEvents;
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use Symfony\Component\Security\Core\Event\AuthenticationFailureEvent;
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use Symfony\Component\Security\Core\Event\AuthenticationSuccessEvent;
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use Symfony\Component\Security\Core\Exception\AuthenticationException;
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use Symfony\Component\Security\Core\Exception\AuthenticationExpiredException;
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use Symfony\Component\Security\Core\Exception\ProviderNotFoundException;
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use Symfony\Component\Security\Core\User\UserCheckerInterface;
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use Symfony\Component\Security\Guard\AuthenticatorInterface;
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use Symfony\Component\Security\Guard\Provider\GuardAuthenticationProviderTrait;
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use Symfony\Component\Security\Guard\Token\GuardTokenInterface;
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use Symfony\Component\Security\Guard\Token\PreAuthenticationGuardToken;
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use Symfony\Contracts\EventDispatcher\EventDispatcherInterface;
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class GuardAuthenticationManager implements AuthenticationManagerInterface
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{
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use GuardAuthenticationProviderTrait;
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private $guardAuthenticators;
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private $userChecker;
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private $eraseCredentials;
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/** @var EventDispatcherInterface */
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private $eventDispatcher;
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/**
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* @param iterable|AuthenticatorInterface[] $guardAuthenticators The authenticators, with keys that match what's passed to GuardAuthenticationListener
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*/
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public function __construct($guardAuthenticators, UserCheckerInterface $userChecker, bool $eraseCredentials = true)
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{
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$this->guardAuthenticators = $guardAuthenticators;
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$this->userChecker = $userChecker;
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$this->eraseCredentials = $eraseCredentials;
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}
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public function setEventDispatcher(EventDispatcherInterface $dispatcher)
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{
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$this->eventDispatcher = $dispatcher;
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}
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public function authenticate(TokenInterface $token)
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{
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if (!$token instanceof GuardTokenInterface) {
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throw new \InvalidArgumentException('GuardAuthenticationManager only supports GuardTokenInterface.');
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}
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if (!$token instanceof PreAuthenticationGuardToken) {
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/*
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* The listener *only* passes PreAuthenticationGuardToken instances.
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* This means that an authenticated token (e.g. PostAuthenticationGuardToken)
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* is being passed here, which happens if that token becomes
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* "not authenticated" (e.g. happens if the user changes between
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* requests). In this case, the user should be logged out.
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*/
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// this should never happen - but technically, the token is
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// authenticated... so it could just be returned
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if ($token->isAuthenticated()) {
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return $token;
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}
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// this AccountStatusException causes the user to be logged out
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throw new AuthenticationExpiredException();
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}
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$guard = $this->findOriginatingAuthenticator($token);
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if (null === $guard) {
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$this->handleFailure(new ProviderNotFoundException(sprintf('Token with provider key "%s" did not originate from any of the guard authenticators.', $token->getGuardProviderKey())), $token);
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}
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try {
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$result = $this->authenticateViaGuard($guard, $token);
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} catch (AuthenticationException $exception) {
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$this->handleFailure($exception, $token);
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}
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if (true === $this->eraseCredentials) {
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$result->eraseCredentials();
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}
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if (null !== $this->eventDispatcher) {
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$this->eventDispatcher->dispatch(new AuthenticationSuccessEvent($result), AuthenticationEvents::AUTHENTICATION_SUCCESS);
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}
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return $result;
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}
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private function handleFailure(AuthenticationException $exception, TokenInterface $token)
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{
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if (null !== $this->eventDispatcher) {
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$this->eventDispatcher->dispatch(new AuthenticationFailureEvent($token, $exception), AuthenticationEvents::AUTHENTICATION_FAILURE);
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}
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$exception->setToken($token);
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throw $exception;
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}
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protected function getGuardKey(string $key): string
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{
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// Guard authenticators in the GuardAuthenticationManager are already indexed
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// by an unique key
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return $key;
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}
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}

‎src/Symfony/Component/Security/Core/composer.json

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"symfony/event-dispatcher-contracts": "^1.1|^2",
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"symfony/polyfill-php80": "^1.15",
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"symfony/service-contracts": "^1.1.6|^2",
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"symfony/security-guard": "^4.4",
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"symfony/deprecation-contracts": "^2.1"
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},
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"require-dev": {

‎src/Symfony/Component/Security/Guard/Provider/GuardAuthenticationProvider.php

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@@ -16,14 +16,9 @@
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use Symfony\Component\Security\Core\Encoder\UserPasswordEncoderInterface;
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use Symfony\Component\Security\Core\Exception\AuthenticationException;
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use Symfony\Component\Security\Core\Exception\AuthenticationExpiredException;
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use Symfony\Component\Security\Core\Exception\BadCredentialsException;
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use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
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use Symfony\Component\Security\Core\User\PasswordUpgraderInterface;
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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\Guard\AuthenticatorInterface;
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use Symfony\Component\Security\Guard\PasswordAuthenticatedInterface;
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use Symfony\Component\Security\Guard\Token\GuardTokenInterface;
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use Symfony\Component\Security\Guard\Token\PreAuthenticationGuardToken;
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@@ -35,6 +30,8 @@
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*/
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class GuardAuthenticationProvider implements AuthenticationProviderInterface
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{
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use GuardAuthenticationProviderTrait;
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/**
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* @var AuthenticatorInterface[]
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*/
@@ -99,60 +96,6 @@ public function authenticate(TokenInterface $token)
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return $this->authenticateViaGuard($guardAuthenticator, $token);
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}
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private function authenticateViaGuard(AuthenticatorInterface $guardAuthenticator, PreAuthenticationGuardToken $token): GuardTokenInterface
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{
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// get the user from the GuardAuthenticator
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$user = $guardAuthenticator->getUser($token->getCredentials(), $this->userProvider);
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if (null === $user) {
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throw new UsernameNotFoundException(sprintf('Null returned from "%s::getUser()".', get_debug_type($guardAuthenticator)));
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}
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if (!$user instanceof UserInterface) {
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throw new \UnexpectedValueException(sprintf('The "%s::getUser()" method must return a UserInterface. You returned "%s".', get_debug_type($guardAuthenticator), get_debug_type($user)));
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}
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$this->userChecker->checkPreAuth($user);
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if (true !== $checkCredentialsResult = $guardAuthenticator->checkCredentials($token->getCredentials(), $user)) {
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if (false !== $checkCredentialsResult) {
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throw new \TypeError(sprintf('"%s::checkCredentials()" must return a boolean value.', get_debug_type($guardAuthenticator)));
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}
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throw new BadCredentialsException(sprintf('Authentication failed because "%s::checkCredentials()" did not return true.', get_debug_type($guardAuthenticator)));
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}
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if ($this->userProvider instanceof PasswordUpgraderInterface && $guardAuthenticator instanceof PasswordAuthenticatedInterface && null !== $this->passwordEncoder && (null !== $password = $guardAuthenticator->getPassword($token->getCredentials())) && method_exists($this->passwordEncoder, 'needsRehash') && $this->passwordEncoder->needsRehash($user)) {
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$this->userProvider->upgradePassword($user, $this->passwordEncoder->encodePassword($user, $password));
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}
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$this->userChecker->checkPostAuth($user);
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// turn the UserInterface into a TokenInterface
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$authenticatedToken = $guardAuthenticator->createAuthenticatedToken($user, $this->providerKey);
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if (!$authenticatedToken instanceof TokenInterface) {
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throw new \UnexpectedValueException(sprintf('The "%s::createAuthenticatedToken()" method must return a TokenInterface. You returned "%s".', get_debug_type($guardAuthenticator), get_debug_type($authenticatedToken)));
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}
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return $authenticatedToken;
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}
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private function findOriginatingAuthenticator(PreAuthenticationGuardToken $token): ?AuthenticatorInterface
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{
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// find the *one* GuardAuthenticator that this token originated from
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foreach ($this->guardAuthenticators as $key => $guardAuthenticator) {
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// get a key that's unique to *this* guard authenticator
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// this MUST be the same as GuardAuthenticationListener
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$uniqueGuardKey = $this->providerKey.'_'.$key;
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if ($uniqueGuardKey === $token->getGuardProviderKey()) {
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return $guardAuthenticator;
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}
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}
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// no matching authenticator found - but there will be multiple GuardAuthenticationProvider
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// instances that will be checked if you have multiple firewalls.
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return null;
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}
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public function supports(TokenInterface $token)
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{
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if ($token instanceof PreAuthenticationGuardToken) {
@@ -161,4 +104,9 @@ public function supports(TokenInterface $token)
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return $token instanceof GuardTokenInterface;
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}
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protected function getGuardKey(string $key): string
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{
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return $this->providerKey.'_'.$key;
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}
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}

‎src/Symfony/Component/Security/Guard/Provider/GuardAuthenticationProviderTrait.php

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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <[email protected]>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Security\Guard\Provider;
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use Symfony\Component\Security\Core\Authentication\Token\TokenInterface;
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use Symfony\Component\Security\Core\Exception\BadCredentialsException;
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use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
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use Symfony\Component\Security\Core\User\PasswordUpgraderInterface;
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use Symfony\Component\Security\Core\User\UserInterface;
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use Symfony\Component\Security\Guard\AuthenticatorInterface;
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use Symfony\Component\Security\Guard\PasswordAuthenticatedInterface;
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use Symfony\Component\Security\Guard\Token\GuardTokenInterface;
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use Symfony\Component\Security\Guard\Token\PreAuthenticationGuardToken;
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/**
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* @author Ryan Weaver <[email protected]>
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*
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* @internal
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*/
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trait GuardAuthenticationProviderTrait
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{
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private function authenticateViaGuard(AuthenticatorInterface $guardAuthenticator, PreAuthenticationGuardToken $token): GuardTokenInterface
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{
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// get the user from the GuardAuthenticator
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$user = $guardAuthenticator->getUser($token->getCredentials(), $this->userProvider);
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if (null === $user) {
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throw new UsernameNotFoundException(sprintf('Null returned from "%s::getUser()".', get_debug_type($guardAuthenticator)));
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}
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if (!$user instanceof UserInterface) {
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throw new \UnexpectedValueException(sprintf('The "%s::getUser()" method must return a UserInterface. You returned "%s".', get_debug_type($guardAuthenticator), get_debug_type($user)));
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}
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$this->userChecker->checkPreAuth($user);
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if (true !== $checkCredentialsResult = $guardAuthenticator->checkCredentials($token->getCredentials(), $user)) {
46+
if (false !== $checkCredentialsResult) {
47+
throw new \TypeError(sprintf('"%s::checkCredentials()" must return a boolean value.', get_debug_type($guardAuthenticator)));
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}
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throw new BadCredentialsException(sprintf('Authentication failed because "%s::checkCredentials()" did not return true.', get_debug_type($guardAuthenticator)));
51+
}
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if ($this->userProvider instanceof PasswordUpgraderInterface && $guardAuthenticator instanceof PasswordAuthenticatedInterface && null !== $this->passwordEncoder && (null !== $password = $guardAuthenticator->getPassword($token->getCredentials())) && method_exists($this->passwordEncoder, 'needsRehash') && $this->passwordEncoder->needsRehash($user)) {
53+
$this->userProvider->upgradePassword($user, $this->passwordEncoder->encodePassword($user, $password));
54+
}
55+
$this->userChecker->checkPostAuth($user);
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// turn the UserInterface into a TokenInterface
58+
$authenticatedToken = $guardAuthenticator->createAuthenticatedToken($user, $this->providerKey);
59+
if (!$authenticatedToken instanceof TokenInterface) {
60+
throw new \UnexpectedValueException(sprintf('The "%s::createAuthenticatedToken()" method must return a TokenInterface. You returned "%s".', get_debug_type($guardAuthenticator), get_debug_type($authenticatedToken)));
61+
}
62+
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return $authenticatedToken;
64+
}
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66+
private function findOriginatingAuthenticator(PreAuthenticationGuardToken $token): ?AuthenticatorInterface
67+
{
68+
// find the *one* GuardAuthenticator that this token originated from
69+
foreach ($this->guardAuthenticators as $key => $guardAuthenticator) {
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// get a key that's unique to *this* guard authenticator
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// this MUST be the same as GuardAuthenticationListener
72+
$uniqueGuardKey = $this->getGuardKey($key);
73+
74+
if ($uniqueGuardKey === $token->getGuardProviderKey()) {
75+
return $guardAuthenticator;
76+
}
77+
}
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79+
// no matching authenticator found - but there will be multiple GuardAuthenticationProvider
80+
// instances that will be checked if you have multiple firewalls.
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return null;
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}
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abstract protected function getGuardKey(string $key): string;
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}

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