vendor/symfony/security-bundle/DependencyInjection/SecurityExtension.php line375

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  1. <?php
  3. /*
  4.  * This file is part of the Symfony package.
  5.  *
  6.  * (c) Fabien Potencier <fabien@symfony.com>
  7.  *
  8.  * For the full copyright and license information, please view the LICENSE
  9.  * file that was distributed with this source code.
  10.  */
  12. namespace Symfony\Bundle\SecurityBundle\DependencyInjection;
  14. use Symfony\Bundle\SecurityBundle\DependencyInjection\Security\Factory\SecurityFactoryInterface;
  15. use Symfony\Bundle\SecurityBundle\DependencyInjection\Security\UserProvider\UserProviderFactoryInterface;
  16. use Symfony\Component\Config\Definition\Exception\InvalidConfigurationException;
  17. use Symfony\Component\Config\FileLocator;
  18. use Symfony\Component\Console\Application;
  19. use Symfony\Component\DependencyInjection\Alias;
  20. use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
  21. use Symfony\Component\DependencyInjection\ChildDefinition;
  22. use Symfony\Component\DependencyInjection\Compiler\ServiceLocatorTagPass;
  23. use Symfony\Component\DependencyInjection\ContainerBuilder;
  24. use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
  25. use Symfony\Component\DependencyInjection\Parameter;
  26. use Symfony\Component\DependencyInjection\Reference;
  27. use Symfony\Component\HttpKernel\DependencyInjection\Extension;
  28. use Symfony\Component\Security\Core\Authorization\ExpressionLanguage;
  29. use Symfony\Component\Security\Core\Authorization\Voter\VoterInterface;
  30. use Symfony\Component\Security\Core\Encoder\Argon2iPasswordEncoder;
  32. /**
  33.  * SecurityExtension.
  34.  *
  35.  * @author Fabien Potencier <fabien@symfony.com>
  36.  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  37.  */
  38. class SecurityExtension extends Extension
  39. {
  40.     private $requestMatchers = [];
  41.     private $expressions = [];
  42.     private $contextListeners = [];
  43.     private $listenerPositions = ['pre_auth', 'form', 'http', 'remember_me'];
  44.     private $factories = [];
  45.     private $userProviderFactories = [];
  46.     private $expressionLanguage;
  47.     private $logoutOnUserChangeByContextKey = [];
  48.     private $statelessFirewallKeys = [];
  50.     public function __construct()
  51.     {
  52.         foreach ($this->listenerPositions as $position) {
  53.             $this->factories[$position] = [];
  54.         }
  55.     }
  57.     public function load(array $configs, ContainerBuilder $container)
  58.     {
  59.         if (!array_filter($configs)) {
  60.             return;
  61.         }
  63.         $mainConfig = $this->getConfiguration($configs, $container);
  65.         $config = $this->processConfiguration($mainConfig, $configs);
  67.         // load services
  68.         $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
  69.         $loader->load('security.xml');
  70.         $loader->load('security_listeners.xml');
  71.         $loader->load('security_rememberme.xml');
  72.         $loader->load('templating_php.xml');
  73.         $loader->load('templating_twig.xml');
  74.         $loader->load('collectors.xml');
  75.         $loader->load('guard.xml');
  77.         $container->getDefinition('security.authentication.guard_handler')->setPrivate(true);
  78.         $container->getDefinition('security.firewall')->setPrivate(true);
  79.         $container->getDefinition('security.firewall.context')->setPrivate(true);
  80.         $container->getDefinition('security.validator.user_password')->setPrivate(true);
  81.         $container->getDefinition('security.rememberme.response_listener')->setPrivate(true);
  82.         $container->getDefinition('templating.helper.logout_url')->setPrivate(true);
  83.         $container->getDefinition('templating.helper.security')->setPrivate(true);
  84.         $container->getAlias('security.encoder_factory')->setPrivate(true);
  86.         if ($container->hasParameter('kernel.debug') && $container->getParameter('kernel.debug')) {
  87.             $loader->load('security_debug.xml');
  89.             $container->getAlias('security.firewall')->setPrivate(true);
  90.         }
  92.         if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) {
  93.             $container->removeDefinition('security.expression_language');
  94.             $container->removeDefinition('security.access.expression_voter');
  95.         }
  97.         // set some global scalars
  98.         $container->setParameter('security.access.denied_url', $config['access_denied_url']);
  99.         $container->setParameter('security.authentication.manager.erase_credentials', $config['erase_credentials']);
  100.         $container->setParameter('security.authentication.session_strategy.strategy', $config['session_fixation_strategy']);
  102.         if (isset($config['access_decision_manager']['service'])) {
  103.             $container->setAlias('security.access.decision_manager', $config['access_decision_manager']['service'])->setPrivate(true);
  104.         } else {
  105.             $container
  106.                 ->getDefinition('security.access.decision_manager')
  107.                 ->addArgument($config['access_decision_manager']['strategy'])
  108.                 ->addArgument($config['access_decision_manager']['allow_if_all_abstain'])
  109.                 ->addArgument($config['access_decision_manager']['allow_if_equal_granted_denied']);
  110.         }
  112.         $container->setParameter('security.access.always_authenticate_before_granting', $config['always_authenticate_before_granting']);
  113.         $container->setParameter('security.authentication.hide_user_not_found', $config['hide_user_not_found']);
  115.         $this->createFirewalls($config, $container);
  116.         $this->createAuthorization($config, $container);
  117.         $this->createRoleHierarchy($config, $container);
  119.         $container->getDefinition('security.authentication.guard_handler')
  120.             ->replaceArgument(2, $this->statelessFirewallKeys);
  122.         if ($config['encoders']) {
  123.             $this->createEncoders($config['encoders'], $container);
  124.         }
  126.         if (class_exists(Application::class)) {
  127.             $loader->load('console.xml');
  128.             $container->getDefinition('security.command.user_password_encoder')->replaceArgument(1, array_keys($config['encoders']));
  129.         }
  131.         // load ACL
  132.         if (isset($config['acl'])) {
  133.             $this->aclLoad($config['acl'], $container);
  134.         } else {
  135.             $container->removeDefinition('security.command.init_acl');
  136.             $container->removeDefinition('security.command.set_acl');
  137.         }
  139.         $container->registerForAutoconfiguration(VoterInterface::class)
  140.             ->addTag('security.voter');
  142.         if (\PHP_VERSION_ID < 70000) {
  143.             // add some required classes for compilation
  144.             $this->addClassesToCompile([
  145.                 'Symfony\Component\Security\Http\Firewall',
  146.                 'Symfony\Component\Security\Core\User\UserProviderInterface',
  147.                 'Symfony\Component\Security\Core\Authentication\AuthenticationProviderManager',
  148.                 'Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage',
  149.                 'Symfony\Component\Security\Core\Authorization\AccessDecisionManager',
  150.                 'Symfony\Component\Security\Core\Authorization\AuthorizationChecker',
  151.                 'Symfony\Component\Security\Core\Authorization\Voter\VoterInterface',
  152.                 'Symfony\Bundle\SecurityBundle\Security\FirewallConfig',
  153.                 'Symfony\Bundle\SecurityBundle\Security\FirewallContext',
  154.                 'Symfony\Component\HttpFoundation\RequestMatcher',
  155.             ]);
  156.         }
  157.     }
  159.     private function aclLoad($config, ContainerBuilder $container)
  160.     {
  161.         if (!interface_exists('Symfony\Component\Security\Acl\Model\AclInterface')) {
  162.             throw new \LogicException('You must install symfony/security-acl in order to use the ACL functionality.');
  163.         }
  165.         $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
  166.         $loader->load('security_acl.xml');
  168.         if (isset($config['cache']['id'])) {
  169.             $container->setAlias('security.acl.cache', $config['cache']['id'])->setPrivate(true);
  170.         }
  171.         $container->getDefinition('security.acl.voter.basic_permissions')->addArgument($config['voter']['allow_if_object_identity_unavailable']);
  173.         // custom ACL provider
  174.         if (isset($config['provider'])) {
  175.             $container->setAlias('security.acl.provider', $config['provider'])->setPrivate(true);
  177.             return;
  178.         }
  180.         $this->configureDbalAclProvider($config, $container, $loader);
  181.     }
  183.     private function configureDbalAclProvider(array $config, ContainerBuilder $container, $loader)
  184.     {
  185.         $loader->load('security_acl_dbal.xml');
  187.         $container->getDefinition('security.acl.dbal.schema')->setPrivate(true);
  188.         $container->getAlias('security.acl.dbal.connection')->setPrivate(true);
  189.         $container->getAlias('security.acl.provider')->setPrivate(true);
  191.         if (null !== $config['connection']) {
  192.             $container->setAlias('security.acl.dbal.connection', sprintf('doctrine.dbal.%s_connection', $config['connection']))->setPrivate(true);
  193.         }
  195.         $container
  196.             ->getDefinition('security.acl.dbal.schema_listener')
  197.             ->addTag('doctrine.event_listener', [
  198.                 'connection' => $config['connection'],
  199.                 'event' => 'postGenerateSchema',
  200.                 'lazy' => true,
  201.             ])
  202.         ;
  204.         $container->getDefinition('security.acl.cache.doctrine')->addArgument($config['cache']['prefix']);
  206.         $container->setParameter('security.acl.dbal.class_table_name', $config['tables']['class']);
  207.         $container->setParameter('security.acl.dbal.entry_table_name', $config['tables']['entry']);
  208.         $container->setParameter('security.acl.dbal.oid_table_name', $config['tables']['object_identity']);
  209.         $container->setParameter('security.acl.dbal.oid_ancestors_table_name', $config['tables']['object_identity_ancestors']);
  210.         $container->setParameter('security.acl.dbal.sid_table_name', $config['tables']['security_identity']);
  211.     }
  213.     private function createRoleHierarchy(array $config, ContainerBuilder $container)
  214.     {
  215.         if (!isset($config['role_hierarchy']) || 0 === \count($config['role_hierarchy'])) {
  216.             $container->removeDefinition('security.access.role_hierarchy_voter');
  218.             return;
  219.         }
  221.         $container->setParameter('security.role_hierarchy.roles', $config['role_hierarchy']);
  222.         $container->removeDefinition('security.access.simple_role_voter');
  223.     }
  225.     private function createAuthorization($config, ContainerBuilder $container)
  226.     {
  227.         if (!$config['access_control']) {
  228.             return;
  229.         }
  231.         if (\PHP_VERSION_ID < 70000) {
  232.             $this->addClassesToCompile([
  233.                 'Symfony\\Component\\Security\\Http\\AccessMap',
  234.             ]);
  235.         }
  237.         foreach ($config['access_control'] as $access) {
  238.             $matcher = $this->createRequestMatcher(
  239.                 $container,
  240.                 $access['path'],
  241.                 $access['host'],
  242.                 $access['methods'],
  243.                 $access['ips']
  244.             );
  246.             $attributes = $access['roles'];
  247.             if ($access['allow_if']) {
  248.                 $attributes[] = $this->createExpression($container, $access['allow_if']);
  249.             }
  251.             $container->getDefinition('security.access_map')
  252.                       ->addMethodCall('add', [$matcher, $attributes, $access['requires_channel']]);
  253.         }
  254.     }
  256.     private function createFirewalls($config, ContainerBuilder $container)
  257.     {
  258.         if (!isset($config['firewalls'])) {
  259.             return;
  260.         }
  262.         $firewalls = $config['firewalls'];
  263.         $providerIds = $this->createUserProviders($config, $container);
  265.         // make the ContextListener aware of the configured user providers
  266.         $contextListenerDefinition = $container->getDefinition('security.context_listener');
  267.         $arguments = $contextListenerDefinition->getArguments();
  268.         $userProviders = [];
  269.         foreach ($providerIds as $userProviderId) {
  270.             $userProviders[] = new Reference($userProviderId);
  271.         }
  272.         $arguments[1] = new IteratorArgument($userProviders);
  273.         $contextListenerDefinition->setArguments($arguments);
  275.         $customUserChecker = false;
  277.         // load firewall map
  278.         $mapDef = $container->getDefinition('security.firewall.map');
  279.         $map = $authenticationProviders = $contextRefs = [];
  280.         foreach ($firewalls as $name => $firewall) {
  281.             if (isset($firewall['user_checker']) && 'security.user_checker' !== $firewall['user_checker']) {
  282.                 $customUserChecker = true;
  283.             }
  285.             $configId = 'security.firewall.map.config.'.$name;
  287.             list($matcher, $listeners, $exceptionListener, $logoutListener) = $this->createFirewall($container, $name, $firewall, $authenticationProviders, $providerIds, $configId);
  289.             $contextId = 'security.firewall.map.context.'.$name;
  290.             $context = $container->setDefinition($contextId, new ChildDefinition('security.firewall.context'));
  291.             $context
  292.                 ->replaceArgument(0, new IteratorArgument($listeners))
  293.                 ->replaceArgument(1, $exceptionListener)
  294.                 ->replaceArgument(2, $logoutListener)
  295.                 ->replaceArgument(3, new Reference($configId))
  296.             ;
  298.             $contextRefs[$contextId] = new Reference($contextId);
  299.             $map[$contextId] = $matcher;
  300.         }
  301.         $mapDef->replaceArgument(0, ServiceLocatorTagPass::register($container, $contextRefs));
  302.         $mapDef->replaceArgument(1, new IteratorArgument($map));
  304.         // add authentication providers to authentication manager
  305.         $authenticationProviders = array_map(function ($id) {
  306.             return new Reference($id);
  307.         }, array_values(array_unique($authenticationProviders)));
  308.         $container
  309.             ->getDefinition('security.authentication.manager')
  310.             ->replaceArgument(0, new IteratorArgument($authenticationProviders))
  311.         ;
  313.         // register an autowire alias for the UserCheckerInterface if no custom user checker service is configured
  314.         if (!$customUserChecker) {
  315.             $container->setAlias('Symfony\Component\Security\Core\User\UserCheckerInterface', new Alias('security.user_checker', false));
  316.         }
  317.     }
  319.     private function createFirewall(ContainerBuilder $container, $id, $firewall, &$authenticationProviders, $providerIds, $configId)
  320.     {
  321.         $config = $container->setDefinition($configId, new ChildDefinition('security.firewall.config'));
  322.         $config->replaceArgument(0, $id);
  323.         $config->replaceArgument(1, $firewall['user_checker']);
  325.         // Matcher
  326.         $matcher = null;
  327.         if (isset($firewall['request_matcher'])) {
  328.             $matcher = new Reference($firewall['request_matcher']);
  329.         } elseif (isset($firewall['pattern']) || isset($firewall['host'])) {
  330.             $pattern = isset($firewall['pattern']) ? $firewall['pattern'] : null;
  331.             $host = isset($firewall['host']) ? $firewall['host'] : null;
  332.             $methods = isset($firewall['methods']) ? $firewall['methods'] : [];
  333.             $matcher = $this->createRequestMatcher($container, $pattern, $host, $methods);
  334.         }
  336.         $config->replaceArgument(2, $matcher ? (string) $matcher : null);
  337.         $config->replaceArgument(3, $firewall['security']);
  339.         // Security disabled?
  340.         if (false === $firewall['security']) {
  341.             return [$matcher, [], null, null];
  342.         }
  344.         $config->replaceArgument(4, $firewall['stateless']);
  346.         // Provider id (take the first registered provider if none defined)
  347.         $defaultProvider = null;
  348.         if (isset($firewall['provider'])) {
  349.             if (!isset($providerIds[$normalizedName = str_replace('-', '_', $firewall['provider'])])) {
  350.                 throw new InvalidConfigurationException(sprintf('Invalid firewall "%s": user provider "%s" not found.', $id, $firewall['provider']));
  351.             }
  352.             $defaultProvider = $providerIds[$normalizedName];
  353.         } elseif (1 === \count($providerIds)) {
  354.             $defaultProvider = reset($providerIds);
  355.         }
  357.         $config->replaceArgument(5, $defaultProvider);
  359.         // Register listeners
  360.         $listeners = [];
  361.         $listenerKeys = [];
  363.         // Channel listener
  364.         $listeners[] = new Reference('security.channel_listener');
  366.         $contextKey = null;
  367.         // Context serializer listener
  368.         if (false === $firewall['stateless']) {
  369.             $contextKey = $id;
  370.             if (isset($firewall['context'])) {
  371.                 $contextKey = $firewall['context'];
  372.             }
  374.             if (!$logoutOnUserChange = $firewall['logout_on_user_change']) {
  375.                 @trigger_error(sprintf('Not setting "logout_on_user_change" to true on firewall "%s" is deprecated as of 3.4, it will always be true in 4.0.', $id), E_USER_DEPRECATED);
  376.             }
  378.             if (isset($this->logoutOnUserChangeByContextKey[$contextKey]) && $this->logoutOnUserChangeByContextKey[$contextKey][1] !== $logoutOnUserChange) {
  379.                 throw new InvalidConfigurationException(sprintf('Firewalls "%s" and "%s" need to have the same value for option "logout_on_user_change" as they are sharing the context "%s"', $this->logoutOnUserChangeByContextKey[$contextKey][0], $id, $contextKey));
  380.             }
  382.             $this->logoutOnUserChangeByContextKey[$contextKey] = [$id, $logoutOnUserChange];
  383.             $listeners[] = new Reference($this->createContextListener($container, $contextKey, $logoutOnUserChange));
  384.             $sessionStrategyId = 'security.authentication.session_strategy';
  385.         } else {
  386.             $this->statelessFirewallKeys[] = $id;
  387.             $sessionStrategyId = 'security.authentication.session_strategy_noop';
  388.         }
  389.         $container->setAlias(new Alias('security.authentication.session_strategy.'.$id, false), $sessionStrategyId);
  391.         $config->replaceArgument(6, $contextKey);
  393.         // Logout listener
  394.         $logoutListenerId = null;
  395.         if (isset($firewall['logout'])) {
  396.             $logoutListenerId = 'security.logout_listener.'.$id;
  397.             $logoutListener = $container->setDefinition($logoutListenerId, new ChildDefinition('security.logout_listener'));
  398.             $logoutListener->replaceArgument(3, [
  399.                 'csrf_parameter' => $firewall['logout']['csrf_parameter'],
  400.                 'csrf_token_id' => $firewall['logout']['csrf_token_id'],
  401.                 'logout_path' => $firewall['logout']['path'],
  402.             ]);
  404.             // add logout success handler
  405.             if (isset($firewall['logout']['success_handler'])) {
  406.                 $logoutSuccessHandlerId = $firewall['logout']['success_handler'];
  407.             } else {
  408.                 $logoutSuccessHandlerId = 'security.logout.success_handler.'.$id;
  409.                 $logoutSuccessHandler = $container->setDefinition($logoutSuccessHandlerId, new ChildDefinition('security.logout.success_handler'));
  410.                 $logoutSuccessHandler->replaceArgument(1, $firewall['logout']['target']);
  411.             }
  412.             $logoutListener->replaceArgument(2, new Reference($logoutSuccessHandlerId));
  414.             // add CSRF provider
  415.             if (isset($firewall['logout']['csrf_token_generator'])) {
  416.                 $logoutListener->addArgument(new Reference($firewall['logout']['csrf_token_generator']));
  417.             }
  419.             // add session logout handler
  420.             if (true === $firewall['logout']['invalidate_session'] && false === $firewall['stateless']) {
  421.                 $logoutListener->addMethodCall('addHandler', [new Reference('security.logout.handler.session')]);
  422.             }
  424.             // add cookie logout handler
  425.             if (\count($firewall['logout']['delete_cookies']) > 0) {
  426.                 $cookieHandlerId = 'security.logout.handler.cookie_clearing.'.$id;
  427.                 $cookieHandler = $container->setDefinition($cookieHandlerId, new ChildDefinition('security.logout.handler.cookie_clearing'));
  428.                 $cookieHandler->addArgument($firewall['logout']['delete_cookies']);
  430.                 $logoutListener->addMethodCall('addHandler', [new Reference($cookieHandlerId)]);
  431.             }
  433.             // add custom handlers
  434.             foreach ($firewall['logout']['handlers'] as $handlerId) {
  435.                 $logoutListener->addMethodCall('addHandler', [new Reference($handlerId)]);
  436.             }
  438.             // register with LogoutUrlGenerator
  439.             $container
  440.                 ->getDefinition('security.logout_url_generator')
  441.                 ->addMethodCall('registerListener', [
  442.                     $id,
  443.                     $firewall['logout']['path'],
  444.                     $firewall['logout']['csrf_token_id'],
  445.                     $firewall['logout']['csrf_parameter'],
  446.                     isset($firewall['logout']['csrf_token_generator']) ? new Reference($firewall['logout']['csrf_token_generator']) : null,
  447.                     false === $firewall['stateless'] && isset($firewall['context']) ? $firewall['context'] : null,
  448.                 ])
  449.             ;
  450.         }
  452.         // Determine default entry point
  453.         $configuredEntryPoint = isset($firewall['entry_point']) ? $firewall['entry_point'] : null;
  455.         // Authentication listeners
  456.         list($authListeners, $defaultEntryPoint) = $this->createAuthenticationListeners($container, $id, $firewall, $authenticationProviders, $defaultProvider, $providerIds, $configuredEntryPoint);
  458.         $config->replaceArgument(7, $configuredEntryPoint ?: $defaultEntryPoint);
  460.         $listeners = array_merge($listeners, $authListeners);
  462.         // Switch user listener
  463.         if (isset($firewall['switch_user'])) {
  464.             $listenerKeys[] = 'switch_user';
  465.             $listeners[] = new Reference($this->createSwitchUserListener($container, $id, $firewall['switch_user'], $defaultProvider, $firewall['stateless'], $providerIds));
  466.         }
  468.         // Access listener
  469.         $listeners[] = new Reference('security.access_listener');
  471.         // Exception listener
  472.         $exceptionListener = new Reference($this->createExceptionListener($container, $firewall, $id, $configuredEntryPoint ?: $defaultEntryPoint, $firewall['stateless']));
  474.         $config->replaceArgument(8, isset($firewall['access_denied_handler']) ? $firewall['access_denied_handler'] : null);
  475.         $config->replaceArgument(9, isset($firewall['access_denied_url']) ? $firewall['access_denied_url'] : null);
  477.         $container->setAlias('security.user_checker.'.$id, new Alias($firewall['user_checker'], false));
  479.         foreach ($this->factories as $position) {
  480.             foreach ($position as $factory) {
  481.                 $key = str_replace('-', '_', $factory->getKey());
  482.                 if (\array_key_exists($key, $firewall)) {
  483.                     $listenerKeys[] = $key;
  484.                 }
  485.             }
  486.         }
  488.         if (isset($firewall['anonymous'])) {
  489.             $listenerKeys[] = 'anonymous';
  490.         }
  492.         $config->replaceArgument(10, $listenerKeys);
  493.         $config->replaceArgument(11, isset($firewall['switch_user']) ? $firewall['switch_user'] : null);
  495.         return [$matcher, $listeners, $exceptionListener, null !== $logoutListenerId ? new Reference($logoutListenerId) : null];
  496.     }
  498.     private function createContextListener($container, $contextKey, $logoutUserOnChange)
  499.     {
  500.         if (isset($this->contextListeners[$contextKey])) {
  501.             return $this->contextListeners[$contextKey];
  502.         }
  504.         $listenerId = 'security.context_listener.'.\count($this->contextListeners);
  505.         $listener = $container->setDefinition($listenerId, new ChildDefinition('security.context_listener'));
  506.         $listener->replaceArgument(2, $contextKey);
  507.         $listener->addMethodCall('setLogoutOnUserChange', [$logoutUserOnChange]);
  509.         return $this->contextListeners[$contextKey] = $listenerId;
  510.     }
  512.     private function createAuthenticationListeners($container, $id, $firewall, &$authenticationProviders, $defaultProvider = null, array $providerIds, $defaultEntryPoint)
  513.     {
  514.         $listeners = [];
  515.         $hasListeners = false;
  517.         foreach ($this->listenerPositions as $position) {
  518.             foreach ($this->factories[$position] as $factory) {
  519.                 $key = str_replace('-', '_', $factory->getKey());
  521.                 if (isset($firewall[$key])) {
  522.                     if (isset($firewall[$key]['provider'])) {
  523.                         if (!isset($providerIds[$normalizedName = str_replace('-', '_', $firewall[$key]['provider'])])) {
  524.                             throw new InvalidConfigurationException(sprintf('Invalid firewall "%s": user provider "%s" not found.', $id, $firewall[$key]['provider']));
  525.                         }
  526.                         $userProvider = $providerIds[$normalizedName];
  527.                     } elseif ('remember_me' === $key) {
  528.                         // RememberMeFactory will use the firewall secret when created
  529.                         $userProvider = null;
  530.                     } else {
  531.                         $userProvider = $defaultProvider ?: $this->getFirstProvider($id, $key, $providerIds);
  532.                     }
  534.                     list($provider, $listenerId, $defaultEntryPoint) = $factory->create($container, $id, $firewall[$key], $userProvider, $defaultEntryPoint);
  536.                     $listeners[] = new Reference($listenerId);
  537.                     $authenticationProviders[] = $provider;
  538.                     $hasListeners = true;
  539.                 }
  540.             }
  541.         }
  543.         // Anonymous
  544.         if (isset($firewall['anonymous'])) {
  545.             if (null === $firewall['anonymous']['secret']) {
  546.                 $firewall['anonymous']['secret'] = new Parameter('container.build_hash');
  547.             }
  549.             $listenerId = 'security.authentication.listener.anonymous.'.$id;
  550.             $container
  551.                 ->setDefinition($listenerId, new ChildDefinition('security.authentication.listener.anonymous'))
  552.                 ->replaceArgument(1, $firewall['anonymous']['secret'])
  553.             ;
  555.             $listeners[] = new Reference($listenerId);
  557.             $providerId = 'security.authentication.provider.anonymous.'.$id;
  558.             $container
  559.                 ->setDefinition($providerId, new ChildDefinition('security.authentication.provider.anonymous'))
  560.                 ->replaceArgument(0, $firewall['anonymous']['secret'])
  561.             ;
  563.             $authenticationProviders[] = $providerId;
  564.             $hasListeners = true;
  565.         }
  567.         if (false === $hasListeners) {
  568.             throw new InvalidConfigurationException(sprintf('No authentication listener registered for firewall "%s".', $id));
  569.         }
  571.         return [$listeners, $defaultEntryPoint];
  572.     }
  574.     private function createEncoders($encoders, ContainerBuilder $container)
  575.     {
  576.         $encoderMap = [];
  577.         foreach ($encoders as $class => $encoder) {
  578.             $encoderMap[$class] = $this->createEncoder($encoder, $container);
  579.         }
  581.         $container
  582.             ->getDefinition('security.encoder_factory.generic')
  583.             ->setArguments([$encoderMap])
  584.         ;
  585.     }
  587.     private function createEncoder($config, ContainerBuilder $container)
  588.     {
  589.         // a custom encoder service
  590.         if (isset($config['id'])) {
  591.             return new Reference($config['id']);
  592.         }
  594.         // plaintext encoder
  595.         if ('plaintext' === $config['algorithm']) {
  596.             $arguments = [$config['ignore_case']];
  598.             return [
  599.                 'class' => 'Symfony\Component\Security\Core\Encoder\PlaintextPasswordEncoder',
  600.                 'arguments' => $arguments,
  601.             ];
  602.         }
  604.         // pbkdf2 encoder
  605.         if ('pbkdf2' === $config['algorithm']) {
  606.             return [
  607.                 'class' => 'Symfony\Component\Security\Core\Encoder\Pbkdf2PasswordEncoder',
  608.                 'arguments' => [
  609.                     $config['hash_algorithm'],
  610.                     $config['encode_as_base64'],
  611.                     $config['iterations'],
  612.                     $config['key_length'],
  613.                 ],
  614.             ];
  615.         }
  617.         // bcrypt encoder
  618.         if ('bcrypt' === $config['algorithm']) {
  619.             return [
  620.                 'class' => 'Symfony\Component\Security\Core\Encoder\BCryptPasswordEncoder',
  621.                 'arguments' => [$config['cost']],
  622.             ];
  623.         }
  625.         // Argon2i encoder
  626.         if ('argon2i' === $config['algorithm']) {
  627.             if (!Argon2iPasswordEncoder::isSupported()) {
  628.                 throw new InvalidConfigurationException('Argon2i algorithm is not supported. Please install the libsodium extension or upgrade to PHP 7.2+.');
  629.             }
  631.             return [
  632.                 'class' => 'Symfony\Component\Security\Core\Encoder\Argon2iPasswordEncoder',
  633.                 'arguments' => [],
  634.             ];
  635.         }
  637.         // run-time configured encoder
  638.         return $config;
  639.     }
  641.     // Parses user providers and returns an array of their ids
  642.     private function createUserProviders($config, ContainerBuilder $container)
  643.     {
  644.         $providerIds = [];
  645.         foreach ($config['providers'] as $name => $provider) {
  646.             $id = $this->createUserDaoProvider($name, $provider, $container);
  647.             $providerIds[str_replace('-', '_', $name)] = $id;
  648.         }
  650.         return $providerIds;
  651.     }
  653.     // Parses a <provider> tag and returns the id for the related user provider service
  654.     private function createUserDaoProvider($name, $provider, ContainerBuilder $container)
  655.     {
  656.         $name = $this->getUserProviderId($name);
  658.         // Doctrine Entity and In-memory DAO provider are managed by factories
  659.         foreach ($this->userProviderFactories as $factory) {
  660.             $key = str_replace('-', '_', $factory->getKey());
  662.             if (!empty($provider[$key])) {
  663.                 $factory->create($container, $name, $provider[$key]);
  665.                 return $name;
  666.             }
  667.         }
  669.         // Existing DAO service provider
  670.         if (isset($provider['id'])) {
  671.             $container->setAlias($name, new Alias($provider['id'], false));
  673.             return $provider['id'];
  674.         }
  676.         // Chain provider
  677.         if (isset($provider['chain'])) {
  678.             $providers = [];
  679.             foreach ($provider['chain']['providers'] as $providerName) {
  680.                 $providers[] = new Reference($this->getUserProviderId($providerName));
  681.             }
  683.             $container
  684.                 ->setDefinition($name, new ChildDefinition('security.user.provider.chain'))
  685.                 ->addArgument(new IteratorArgument($providers));
  687.             return $name;
  688.         }
  690.         throw new InvalidConfigurationException(sprintf('Unable to create definition for "%s" user provider', $name));
  691.     }
  693.     private function getUserProviderId($name)
  694.     {
  695.         return 'security.user.provider.concrete.'.strtolower($name);
  696.     }
  698.     private function createExceptionListener($container, $config, $id, $defaultEntryPoint, $stateless)
  699.     {
  700.         $exceptionListenerId = 'security.exception_listener.'.$id;
  701.         $listener = $container->setDefinition($exceptionListenerId, new ChildDefinition('security.exception_listener'));
  702.         $listener->replaceArgument(3, $id);
  703.         $listener->replaceArgument(4, null === $defaultEntryPoint ? null : new Reference($defaultEntryPoint));
  704.         $listener->replaceArgument(8, $stateless);
  706.         // access denied handler setup
  707.         if (isset($config['access_denied_handler'])) {
  708.             $listener->replaceArgument(6, new Reference($config['access_denied_handler']));
  709.         } elseif (isset($config['access_denied_url'])) {
  710.             $listener->replaceArgument(5, $config['access_denied_url']);
  711.         }
  713.         return $exceptionListenerId;
  714.     }
  716.     private function createSwitchUserListener($container, $id, $config, $defaultProvider, $stateless, $providerIds)
  717.     {
  718.         $userProvider = isset($config['provider']) ? $this->getUserProviderId($config['provider']) : ($defaultProvider ?: $this->getFirstProvider($id, 'switch_user', $providerIds));
  720.         // in 4.0, ignore the `switch_user.stateless` key if $stateless is `true`
  721.         if ($stateless && false === $config['stateless']) {
  722.             @trigger_error(sprintf('Firewall "%s" is configured as "stateless" but the "switch_user.stateless" key is set to false. Both should have the same value, the firewall\'s "stateless" value will be used as default value for the "switch_user.stateless" key in 4.0.', $id), E_USER_DEPRECATED);
  723.         }
  725.         $switchUserListenerId = 'security.authentication.switchuser_listener.'.$id;
  726.         $listener = $container->setDefinition($switchUserListenerId, new ChildDefinition('security.authentication.switchuser_listener'));
  727.         $listener->replaceArgument(1, new Reference($userProvider));
  728.         $listener->replaceArgument(2, new Reference('security.user_checker.'.$id));
  729.         $listener->replaceArgument(3, $id);
  730.         $listener->replaceArgument(6, $config['parameter']);
  731.         $listener->replaceArgument(7, $config['role']);
  732.         $listener->replaceArgument(9, $config['stateless']);
  734.         return $switchUserListenerId;
  735.     }
  737.     private function createExpression($container, $expression)
  738.     {
  739.         if (isset($this->expressions[$id = 'security.expression.'.ContainerBuilder::hash($expression)])) {
  740.             return $this->expressions[$id];
  741.         }
  743.         $container
  744.             ->register($id, 'Symfony\Component\ExpressionLanguage\SerializedParsedExpression')
  745.             ->setPublic(false)
  746.             ->addArgument($expression)
  747.             ->addArgument(serialize($this->getExpressionLanguage()->parse($expression, ['token', 'user', 'object', 'roles', 'request', 'trust_resolver'])->getNodes()))
  748.         ;
  750.         return $this->expressions[$id] = new Reference($id);
  751.     }
  753.     private function createRequestMatcher($container, $path = null, $host = null, $methods = [], $ip = null, array $attributes = [])
  754.     {
  755.         if ($methods) {
  756.             $methods = array_map('strtoupper', (array) $methods);
  757.         }
  759.         $id = 'security.request_matcher.'.ContainerBuilder::hash([$path, $host, $methods, $ip, $attributes]);
  761.         if (isset($this->requestMatchers[$id])) {
  762.             return $this->requestMatchers[$id];
  763.         }
  765.         // only add arguments that are necessary
  766.         $arguments = [$path, $host, $methods, $ip, $attributes];
  767.         while (\count($arguments) > 0 && !end($arguments)) {
  768.             array_pop($arguments);
  769.         }
  771.         $container
  772.             ->register($id, 'Symfony\Component\HttpFoundation\RequestMatcher')
  773.             ->setPublic(false)
  774.             ->setArguments($arguments)
  775.         ;
  777.         return $this->requestMatchers[$id] = new Reference($id);
  778.     }
  780.     public function addSecurityListenerFactory(SecurityFactoryInterface $factory)
  781.     {
  782.         $this->factories[$factory->getPosition()][] = $factory;
  783.     }
  785.     public function addUserProviderFactory(UserProviderFactoryInterface $factory)
  786.     {
  787.         $this->userProviderFactories[] = $factory;
  788.     }
  790.     /**
  791.      * Returns the base path for the XSD files.
  792.      *
  793.      * @return string The XSD base path
  794.      */
  795.     public function getXsdValidationBasePath()
  796.     {
  797.         return __DIR__.'/../Resources/config/schema';
  798.     }
  800.     public function getNamespace()
  801.     {
  802.         return 'http://symfony.com/schema/dic/security';
  803.     }
  805.     public function getConfiguration(array $config, ContainerBuilder $container)
  806.     {
  807.         // first assemble the factories
  808.         return new MainConfiguration($this->factories, $this->userProviderFactories);
  809.     }
  811.     private function getExpressionLanguage()
  812.     {
  813.         if (null === $this->expressionLanguage) {
  814.             if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) {
  815.                 throw new \RuntimeException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.');
  816.             }
  817.             $this->expressionLanguage = new ExpressionLanguage();
  818.         }
  820.         return $this->expressionLanguage;
  821.     }
  823.     /**
  824.      * @deprecated since version 3.4, to be removed in 4.0
  825.      */
  826.     private function getFirstProvider($firewallName, $listenerName, array $providerIds)
  827.     {
  828.         @trigger_error(sprintf('Listener "%s" on firewall "%s" has no "provider" set but multiple providers exist. Using the first configured provider (%s) is deprecated since Symfony 3.4 and will throw an exception in 4.0, set the "provider" key on the firewall instead.', $listenerName, $firewallName, $first = array_keys($providerIds)[0]), E_USER_DEPRECATED);
  830.         return $providerIds[$first];
  831.     }
  832. }