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- <?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\Core\User;
- use Symfony\Component\Security\Core\Exception\UnsupportedUserException;
- use Symfony\Component\Security\Core\Exception\UsernameNotFoundException;
- /**
- * Chain User Provider.
- *
- * This provider calls several leaf providers in a chain until one is able to
- * handle the request.
- *
- * @author Johannes M. Schmitt <schmittjoh@gmail.com>
- */
- class ChainUserProvider implements UserProviderInterface, PasswordUpgraderInterface
- {
- private $providers;
- /**
- * @param iterable|UserProviderInterface[] $providers
- */
- public function __construct(iterable $providers)
- {
- $this->providers = $providers;
- }
- /**
- * @return array
- */
- public function getProviders()
- {
- if ($this->providers instanceof \Traversable) {
- return iterator_to_array($this->providers);
- }
- return $this->providers;
- }
- /**
- * {@inheritdoc}
- */
- public function loadUserByUsername(string $username)
- {
- foreach ($this->providers as $provider) {
- try {
- return $provider->loadUserByUsername($username);
- } catch (UsernameNotFoundException $e) {
- // try next one
- }
- }
- $ex = new UsernameNotFoundException(sprintf('There is no user with name "%s".', $username));
- $ex->setUsername($username);
- throw $ex;
- }
- /**
- * {@inheritdoc}
- */
- public function refreshUser(UserInterface $user)
- {
- $supportedUserFound = false;
- foreach ($this->providers as $provider) {
- try {
- if (!$provider->supportsClass(\get_class($user))) {
- continue;
- }
- return $provider->refreshUser($user);
- } catch (UnsupportedUserException $e) {
- // try next one
- } catch (UsernameNotFoundException $e) {
- $supportedUserFound = true;
- // try next one
- }
- }
- if ($supportedUserFound) {
- $e = new UsernameNotFoundException(sprintf('There is no user with name "%s".', $user->getUsername()));
- $e->setUsername($user->getUsername());
- throw $e;
- } else {
- throw new UnsupportedUserException(sprintf('There is no user provider for user "%s". Shouldn\'t the "supportsClass()" method of your user provider return true for this classname?', get_debug_type($user)));
- }
- }
- /**
- * {@inheritdoc}
- */
- public function supportsClass(string $class)
- {
- foreach ($this->providers as $provider) {
- if ($provider->supportsClass($class)) {
- return true;
- }
- }
- return false;
- }
- /**
- * {@inheritdoc}
- */
- public function upgradePassword(UserInterface $user, string $newEncodedPassword): void
- {
- foreach ($this->providers as $provider) {
- if ($provider instanceof PasswordUpgraderInterface) {
- try {
- $provider->upgradePassword($user, $newEncodedPassword);
- } catch (UnsupportedUserException $e) {
- // ignore: password upgrades are opportunistic
- }
- }
- }
- }
- }
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