vendor/symfony/security-bundle/DependencyInjection/SecurityExtension.php line 283

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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\Console\Application;
  18. use Symfony\Component\DependencyInjection\Alias;
  19. use Symfony\Component\DependencyInjection\Argument\IteratorArgument;
  20. use Symfony\Component\DependencyInjection\ChildDefinition;
  21. use Symfony\Component\DependencyInjection\Compiler\ServiceLocatorTagPass;
  22. use Symfony\Component\HttpKernel\DependencyInjection\Extension;
  23. use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
  24. use Symfony\Component\DependencyInjection\ContainerBuilder;
  25. use Symfony\Component\DependencyInjection\Parameter;
  26. use Symfony\Component\DependencyInjection\Reference;
  27. use Symfony\Component\Config\FileLocator;
  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 = array();
  41.     private $expressions = array();
  42.     private $contextListeners = array();
  43.     private $listenerPositions = array('pre_auth', 'form', 'http', 'remember_me');
  44.     private $factories = array();
  45.     private $userProviderFactories = array();
  46.     private $expressionLanguage;
  47.     private $logoutOnUserChangeByContextKey = array();
  49.     public function __construct()
  50.     {
  51.         foreach ($this->listenerPositions as $position) {
  52.             $this->factories[$position] = array();
  53.         }
  54.     }
  56.     public function load(array $configs, ContainerBuilder $container)
  57.     {
  58.         if (!array_filter($configs)) {
  59.             return;
  60.         }
  62.         $mainConfig = $this->getConfiguration($configs, $container);
  64.         $config = $this->processConfiguration($mainConfig, $configs);
  66.         // load services
  67.         $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
  68.         $loader->load('security.xml');
  69.         $loader->load('security_listeners.xml');
  70.         $loader->load('security_rememberme.xml');
  71.         $loader->load('templating_php.xml');
  72.         $loader->load('templating_twig.xml');
  73.         $loader->load('collectors.xml');
  74.         $loader->load('guard.xml');
  76.         $container->getDefinition('security.authentication.guard_handler')->setPrivate(true);
  77.         $container->getDefinition('security.firewall')->setPrivate(true);
  78.         $container->getDefinition('security.firewall.context')->setPrivate(true);
  79.         $container->getDefinition('security.validator.user_password')->setPrivate(true);
  80.         $container->getDefinition('security.rememberme.response_listener')->setPrivate(true);
  81.         $container->getDefinition('templating.helper.logout_url')->setPrivate(true);
  82.         $container->getDefinition('templating.helper.security')->setPrivate(true);
  83.         $container->getAlias('security.encoder_factory')->setPrivate(true);
  85.         if ($container->hasParameter('kernel.debug') && $container->getParameter('kernel.debug')) {
  86.             $loader->load('security_debug.xml');
  88.             $container->getAlias('security.firewall')->setPrivate(true);
  89.         }
  91.         if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) {
  92.             $container->removeDefinition('security.expression_language');
  93.             $container->removeDefinition('security.access.expression_voter');
  94.         }
  96.         // set some global scalars
  97.         $container->setParameter('security.access.denied_url', $config['access_denied_url']);
  98.         $container->setParameter('security.authentication.manager.erase_credentials', $config['erase_credentials']);
  99.         $container->setParameter('security.authentication.session_strategy.strategy', $config['session_fixation_strategy']);
  101.         if (isset($config['access_decision_manager']['service'])) {
  102.             $container->setAlias('security.access.decision_manager', $config['access_decision_manager']['service'])->setPrivate(true);
  103.         } else {
  104.             $container
  105.                 ->getDefinition('security.access.decision_manager')
  106.                 ->addArgument($config['access_decision_manager']['strategy'])
  107.                 ->addArgument($config['access_decision_manager']['allow_if_all_abstain'])
  108.                 ->addArgument($config['access_decision_manager']['allow_if_equal_granted_denied']);
  109.         }
  111.         $container->setParameter('security.access.always_authenticate_before_granting', $config['always_authenticate_before_granting']);
  112.         $container->setParameter('security.authentication.hide_user_not_found', $config['hide_user_not_found']);
  114.         $this->createFirewalls($config, $container);
  115.         $this->createAuthorization($config, $container);
  116.         $this->createRoleHierarchy($config, $container);
  118.         if ($config['encoders']) {
  119.             $this->createEncoders($config['encoders'], $container);
  120.         }
  122.         if (class_exists(Application::class)) {
  123.             $loader->load('console.xml');
  124.             $container->getDefinition('security.command.user_password_encoder')->replaceArgument(1, array_keys($config['encoders']));
  125.         }
  127.         // load ACL
  128.         if (isset($config['acl'])) {
  129.             $this->aclLoad($config['acl'], $container);
  130.         } else {
  131.             $container->removeDefinition('security.command.init_acl');
  132.             $container->removeDefinition('security.command.set_acl');
  133.         }
  135.         $container->registerForAutoconfiguration(VoterInterface::class)
  136.             ->addTag('security.voter');
  138.         if (\PHP_VERSION_ID < 70000) {
  139.             // add some required classes for compilation
  140.             $this->addClassesToCompile(array(
  141.                 'Symfony\Component\Security\Http\Firewall',
  142.                 'Symfony\Component\Security\Core\User\UserProviderInterface',
  143.                 'Symfony\Component\Security\Core\Authentication\AuthenticationProviderManager',
  144.                 'Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage',
  145.                 'Symfony\Component\Security\Core\Authorization\AccessDecisionManager',
  146.                 'Symfony\Component\Security\Core\Authorization\AuthorizationChecker',
  147.                 'Symfony\Component\Security\Core\Authorization\Voter\VoterInterface',
  148.                 'Symfony\Bundle\SecurityBundle\Security\FirewallConfig',
  149.                 'Symfony\Bundle\SecurityBundle\Security\FirewallContext',
  150.                 'Symfony\Component\HttpFoundation\RequestMatcher',
  151.             ));
  152.         }
  153.     }
  155.     private function aclLoad($config, ContainerBuilder $container)
  156.     {
  157.         if (!interface_exists('Symfony\Component\Security\Acl\Model\AclInterface')) {
  158.             throw new \LogicException('You must install symfony/security-acl in order to use the ACL functionality.');
  159.         }
  161.         $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
  162.         $loader->load('security_acl.xml');
  164.         if (isset($config['cache']['id'])) {
  165.             $container->setAlias('security.acl.cache', $config['cache']['id'])->setPrivate(true);
  166.         }
  167.         $container->getDefinition('security.acl.voter.basic_permissions')->addArgument($config['voter']['allow_if_object_identity_unavailable']);
  169.         // custom ACL provider
  170.         if (isset($config['provider'])) {
  171.             $container->setAlias('security.acl.provider', $config['provider'])->setPrivate(true);
  173.             return;
  174.         }
  176.         $this->configureDbalAclProvider($config, $container, $loader);
  177.     }
  179.     private function configureDbalAclProvider(array $config, ContainerBuilder $container, $loader)
  180.     {
  181.         $loader->load('security_acl_dbal.xml');
  183.         $container->getDefinition('security.acl.dbal.schema')->setPrivate(true);
  184.         $container->getAlias('security.acl.dbal.connection')->setPrivate(true);
  185.         $container->getAlias('security.acl.provider')->setPrivate(true);
  187.         if (null !== $config['connection']) {
  188.             $container->setAlias('security.acl.dbal.connection', sprintf('doctrine.dbal.%s_connection', $config['connection']))->setPrivate(true);
  189.         }
  191.         $container
  192.             ->getDefinition('security.acl.dbal.schema_listener')
  193.             ->addTag('doctrine.event_listener', array(
  194.                 'connection' => $config['connection'],
  195.                 'event' => 'postGenerateSchema',
  196.                 'lazy' => true,
  197.             ))
  198.         ;
  200.         $container->getDefinition('security.acl.cache.doctrine')->addArgument($config['cache']['prefix']);
  202.         $container->setParameter('security.acl.dbal.class_table_name', $config['tables']['class']);
  203.         $container->setParameter('security.acl.dbal.entry_table_name', $config['tables']['entry']);
  204.         $container->setParameter('security.acl.dbal.oid_table_name', $config['tables']['object_identity']);
  205.         $container->setParameter('security.acl.dbal.oid_ancestors_table_name', $config['tables']['object_identity_ancestors']);
  206.         $container->setParameter('security.acl.dbal.sid_table_name', $config['tables']['security_identity']);
  207.     }
  209.     private function createRoleHierarchy(array $config, ContainerBuilder $container)
  210.     {
  211.         if (!isset($config['role_hierarchy']) || 0 === count($config['role_hierarchy'])) {
  212.             $container->removeDefinition('security.access.role_hierarchy_voter');
  214.             return;
  215.         }
  217.         $container->setParameter('security.role_hierarchy.roles', $config['role_hierarchy']);
  218.         $container->removeDefinition('security.access.simple_role_voter');
  219.     }
  221.     private function createAuthorization($config, ContainerBuilder $container)
  222.     {
  223.         if (!$config['access_control']) {
  224.             return;
  225.         }
  227.         if (\PHP_VERSION_ID < 70000) {
  228.             $this->addClassesToCompile(array(
  229.                 'Symfony\\Component\\Security\\Http\\AccessMap',
  230.             ));
  231.         }
  233.         foreach ($config['access_control'] as $access) {
  234.             $matcher = $this->createRequestMatcher(
  235.                 $container,
  236.                 $access['path'],
  237.                 $access['host'],
  238.                 $access['methods'],
  239.                 $access['ips']
  240.             );
  242.             $attributes = $access['roles'];
  243.             if ($access['allow_if']) {
  244.                 $attributes[] = $this->createExpression($container, $access['allow_if']);
  245.             }
  247.             $container->getDefinition('security.access_map')
  248.                       ->addMethodCall('add', array($matcher, $attributes, $access['requires_channel']));
  249.         }
  250.     }
  252.     private function createFirewalls($config, ContainerBuilder $container)
  253.     {
  254.         if (!isset($config['firewalls'])) {
  255.             return;
  256.         }
  258.         $firewalls = $config['firewalls'];
  259.         $providerIds = $this->createUserProviders($config, $container);
  261.         // make the ContextListener aware of the configured user providers
  262.         $contextListenerDefinition = $container->getDefinition('security.context_listener');
  263.         $arguments = $contextListenerDefinition->getArguments();
  264.         $userProviders = array();
  265.         foreach ($providerIds as $userProviderId) {
  266.             $userProviders[] = new Reference($userProviderId);
  267.         }
  268.         $arguments[1] = new IteratorArgument($userProviders);
  269.         $contextListenerDefinition->setArguments($arguments);
  271.         $customUserChecker = false;
  273.         // load firewall map
  274.         $mapDef = $container->getDefinition('security.firewall.map');
  275.         $map = $authenticationProviders = $contextRefs = array();
  276.         foreach ($firewalls as $name => $firewall) {
  277.             if (isset($firewall['user_checker']) && 'security.user_checker' !== $firewall['user_checker']) {
  278.                 $customUserChecker = true;
  279.             }
  281.             $configId = 'security.firewall.map.config.'.$name;
  283.             list($matcher, $listeners, $exceptionListener) = $this->createFirewall($container, $name, $firewall, $authenticationProviders, $providerIds, $configId);
  285.             $contextId = 'security.firewall.map.context.'.$name;
  286.             $context = $container->setDefinition($contextId, new ChildDefinition('security.firewall.context'));
  287.             $context
  288.                 ->replaceArgument(0, new IteratorArgument($listeners))
  289.                 ->replaceArgument(1, $exceptionListener)
  290.                 ->replaceArgument(2, new Reference($configId))
  291.             ;
  293.             $contextRefs[$contextId] = new Reference($contextId);
  294.             $map[$contextId] = $matcher;
  295.         }
  296.         $mapDef->replaceArgument(0, ServiceLocatorTagPass::register($container, $contextRefs));
  297.         $mapDef->replaceArgument(1, new IteratorArgument($map));
  299.         // add authentication providers to authentication manager
  300.         $authenticationProviders = array_map(function ($id) {
  301.             return new Reference($id);
  302.         }, array_values(array_unique($authenticationProviders)));
  303.         $container
  304.             ->getDefinition('security.authentication.manager')
  305.             ->replaceArgument(0, new IteratorArgument($authenticationProviders))
  306.         ;
  308.         // register an autowire alias for the UserCheckerInterface if no custom user checker service is configured
  309.         if (!$customUserChecker) {
  310.             $container->setAlias('Symfony\Component\Security\Core\User\UserCheckerInterface', new Alias('security.user_checker', false));
  311.         }
  312.     }
  314.     private function createFirewall(ContainerBuilder $container, $id, $firewall, &$authenticationProviders, $providerIds, $configId)
  315.     {
  316.         $config = $container->setDefinition($configId, new ChildDefinition('security.firewall.config'));
  317.         $config->replaceArgument(0, $id);
  318.         $config->replaceArgument(1, $firewall['user_checker']);
  320.         // Matcher
  321.         $matcher = null;
  322.         if (isset($firewall['request_matcher'])) {
  323.             $matcher = new Reference($firewall['request_matcher']);
  324.         } elseif (isset($firewall['pattern']) || isset($firewall['host'])) {
  325.             $pattern = isset($firewall['pattern']) ? $firewall['pattern'] : null;
  326.             $host = isset($firewall['host']) ? $firewall['host'] : null;
  327.             $methods = isset($firewall['methods']) ? $firewall['methods'] : array();
  328.             $matcher = $this->createRequestMatcher($container, $pattern, $host, $methods);
  329.         }
  331.         $config->replaceArgument(2, $matcher ? (string) $matcher : null);
  332.         $config->replaceArgument(3, $firewall['security']);
  334.         // Security disabled?
  335.         if (false === $firewall['security']) {
  336.             return array($matcher, array(), null);
  337.         }
  339.         $config->replaceArgument(4, $firewall['stateless']);
  341.         // Provider id (take the first registered provider if none defined)
  342.         $defaultProvider = null;
  343.         if (isset($firewall['provider'])) {
  344.             if (!isset($providerIds[$normalizedName = str_replace('-', '_', $firewall['provider'])])) {
  345.                 throw new InvalidConfigurationException(sprintf('Invalid firewall "%s": user provider "%s" not found.', $id, $firewall['provider']));
  346.             }
  347.             $defaultProvider = $providerIds[$normalizedName];
  348.         } elseif (1 === count($providerIds)) {
  349.             $defaultProvider = reset($providerIds);
  350.         }
  352.         $config->replaceArgument(5, $defaultProvider);
  354.         // Register listeners
  355.         $listeners = array();
  356.         $listenerKeys = array();
  358.         // Channel listener
  359.         $listeners[] = new Reference('security.channel_listener');
  361.         $contextKey = null;
  362.         // Context serializer listener
  363.         if (false === $firewall['stateless']) {
  364.             $contextKey = $id;
  365.             if (isset($firewall['context'])) {
  366.                 $contextKey = $firewall['context'];
  367.             }
  369.             if (!$logoutOnUserChange = $firewall['logout_on_user_change']) {
  370.                 @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.', $id), E_USER_DEPRECATED);
  371.             }
  373.             if (isset($this->logoutOnUserChangeByContextKey[$contextKey]) && $this->logoutOnUserChangeByContextKey[$contextKey][1] !== $logoutOnUserChange) {
  374.                 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));
  375.             }
  377.             $this->logoutOnUserChangeByContextKey[$contextKey] = array($id, $logoutOnUserChange);
  378.             $listeners[] = new Reference($this->createContextListener($container, $contextKey, $logoutOnUserChange));
  379.         }
  381.         $config->replaceArgument(6, $contextKey);
  383.         // Logout listener
  384.         if (isset($firewall['logout'])) {
  385.             $listenerKeys[] = 'logout';
  386.             $listenerId = 'security.logout_listener.'.$id;
  387.             $listener = $container->setDefinition($listenerId, new ChildDefinition('security.logout_listener'));
  388.             $listener->replaceArgument(3, array(
  389.                 'csrf_parameter' => $firewall['logout']['csrf_parameter'],
  390.                 'csrf_token_id' => $firewall['logout']['csrf_token_id'],
  391.                 'logout_path' => $firewall['logout']['path'],
  392.             ));
  393.             $listeners[] = new Reference($listenerId);
  395.             // add logout success handler
  396.             if (isset($firewall['logout']['success_handler'])) {
  397.                 $logoutSuccessHandlerId = $firewall['logout']['success_handler'];
  398.             } else {
  399.                 $logoutSuccessHandlerId = 'security.logout.success_handler.'.$id;
  400.                 $logoutSuccessHandler = $container->setDefinition($logoutSuccessHandlerId, new ChildDefinition('security.logout.success_handler'));
  401.                 $logoutSuccessHandler->replaceArgument(1, $firewall['logout']['target']);
  402.             }
  403.             $listener->replaceArgument(2, new Reference($logoutSuccessHandlerId));
  405.             // add CSRF provider
  406.             if (isset($firewall['logout']['csrf_token_generator'])) {
  407.                 $listener->addArgument(new Reference($firewall['logout']['csrf_token_generator']));
  408.             }
  410.             // add session logout handler
  411.             if (true === $firewall['logout']['invalidate_session'] && false === $firewall['stateless']) {
  412.                 $listener->addMethodCall('addHandler', array(new Reference('security.logout.handler.session')));
  413.             }
  415.             // add cookie logout handler
  416.             if (count($firewall['logout']['delete_cookies']) > 0) {
  417.                 $cookieHandlerId = 'security.logout.handler.cookie_clearing.'.$id;
  418.                 $cookieHandler = $container->setDefinition($cookieHandlerId, new ChildDefinition('security.logout.handler.cookie_clearing'));
  419.                 $cookieHandler->addArgument($firewall['logout']['delete_cookies']);
  421.                 $listener->addMethodCall('addHandler', array(new Reference($cookieHandlerId)));
  422.             }
  424.             // add custom handlers
  425.             foreach ($firewall['logout']['handlers'] as $handlerId) {
  426.                 $listener->addMethodCall('addHandler', array(new Reference($handlerId)));
  427.             }
  429.             // register with LogoutUrlGenerator
  430.             $container
  431.                 ->getDefinition('security.logout_url_generator')
  432.                 ->addMethodCall('registerListener', array(
  433.                     $id,
  434.                     $firewall['logout']['path'],
  435.                     $firewall['logout']['csrf_token_id'],
  436.                     $firewall['logout']['csrf_parameter'],
  437.                     isset($firewall['logout']['csrf_token_generator']) ? new Reference($firewall['logout']['csrf_token_generator']) : null,
  438.                     false === $firewall['stateless'] && isset($firewall['context']) ? $firewall['context'] : null,
  439.                 ))
  440.             ;
  441.         }
  443.         // Determine default entry point
  444.         $configuredEntryPoint = isset($firewall['entry_point']) ? $firewall['entry_point'] : null;
  446.         // Authentication listeners
  447.         list($authListeners, $defaultEntryPoint) = $this->createAuthenticationListeners($container, $id, $firewall, $authenticationProviders, $defaultProvider, $providerIds, $configuredEntryPoint);
  449.         $config->replaceArgument(7, $configuredEntryPoint ?: $defaultEntryPoint);
  451.         $listeners = array_merge($listeners, $authListeners);
  453.         // Switch user listener
  454.         if (isset($firewall['switch_user'])) {
  455.             $listenerKeys[] = 'switch_user';
  456.             $listeners[] = new Reference($this->createSwitchUserListener($container, $id, $firewall['switch_user'], $defaultProvider, $firewall['stateless'], $providerIds));
  457.         }
  459.         // Access listener
  460.         $listeners[] = new Reference('security.access_listener');
  462.         // Exception listener
  463.         $exceptionListener = new Reference($this->createExceptionListener($container, $firewall, $id, $configuredEntryPoint ?: $defaultEntryPoint, $firewall['stateless']));
  465.         $config->replaceArgument(8, isset($firewall['access_denied_handler']) ? $firewall['access_denied_handler'] : null);
  466.         $config->replaceArgument(9, isset($firewall['access_denied_url']) ? $firewall['access_denied_url'] : null);
  468.         $container->setAlias('security.user_checker.'.$id, new Alias($firewall['user_checker'], false));
  470.         foreach ($this->factories as $position) {
  471.             foreach ($position as $factory) {
  472.                 $key = str_replace('-', '_', $factory->getKey());
  473.                 if (array_key_exists($key, $firewall)) {
  474.                     $listenerKeys[] = $key;
  475.                 }
  476.             }
  477.         }
  479.         if (isset($firewall['anonymous'])) {
  480.             $listenerKeys[] = 'anonymous';
  481.         }
  483.         $config->replaceArgument(10, $listenerKeys);
  484.         $config->replaceArgument(11, isset($firewall['switch_user']) ? $firewall['switch_user'] : null);
  486.         return array($matcher, $listeners, $exceptionListener);
  487.     }
  489.     private function createContextListener($container, $contextKey, $logoutUserOnChange)
  490.     {
  491.         if (isset($this->contextListeners[$contextKey])) {
  492.             return $this->contextListeners[$contextKey];
  493.         }
  495.         $listenerId = 'security.context_listener.'.count($this->contextListeners);
  496.         $listener = $container->setDefinition($listenerId, new ChildDefinition('security.context_listener'));
  497.         $listener->replaceArgument(2, $contextKey);
  498.         $listener->addMethodCall('setLogoutOnUserChange', array($logoutUserOnChange));
  500.         return $this->contextListeners[$contextKey] = $listenerId;
  501.     }
  503.     private function createAuthenticationListeners($container, $id, $firewall, &$authenticationProviders, $defaultProvider = null, array $providerIds, $defaultEntryPoint)
  504.     {
  505.         $listeners = array();
  506.         $hasListeners = false;
  508.         foreach ($this->listenerPositions as $position) {
  509.             foreach ($this->factories[$position] as $factory) {
  510.                 $key = str_replace('-', '_', $factory->getKey());
  512.                 if (isset($firewall[$key])) {
  513.                     if (isset($firewall[$key]['provider'])) {
  514.                         if (!isset($providerIds[$normalizedName = str_replace('-', '_', $firewall[$key]['provider'])])) {
  515.                             throw new InvalidConfigurationException(sprintf('Invalid firewall "%s": user provider "%s" not found.', $id, $firewall[$key]['provider']));
  516.                         }
  517.                         $userProvider = $providerIds[$normalizedName];
  518.                     } else {
  519.                         $userProvider = $defaultProvider ?: $this->getFirstProvider($id, $key, $providerIds);
  520.                     }
  522.                     list($provider, $listenerId, $defaultEntryPoint) = $factory->create($container, $id, $firewall[$key], $userProvider, $defaultEntryPoint);
  524.                     $listeners[] = new Reference($listenerId);
  525.                     $authenticationProviders[] = $provider;
  526.                     $hasListeners = true;
  527.                 }
  528.             }
  529.         }
  531.         // Anonymous
  532.         if (isset($firewall['anonymous'])) {
  533.             if (null === $firewall['anonymous']['secret']) {
  534.                 $firewall['anonymous']['secret'] = new Parameter('container.build_hash');
  535.             }
  537.             $listenerId = 'security.authentication.listener.anonymous.'.$id;
  538.             $container
  539.                 ->setDefinition($listenerId, new ChildDefinition('security.authentication.listener.anonymous'))
  540.                 ->replaceArgument(1, $firewall['anonymous']['secret'])
  541.             ;
  543.             $listeners[] = new Reference($listenerId);
  545.             $providerId = 'security.authentication.provider.anonymous.'.$id;
  546.             $container
  547.                 ->setDefinition($providerId, new ChildDefinition('security.authentication.provider.anonymous'))
  548.                 ->replaceArgument(0, $firewall['anonymous']['secret'])
  549.             ;
  551.             $authenticationProviders[] = $providerId;
  552.             $hasListeners = true;
  553.         }
  555.         if (false === $hasListeners) {
  556.             throw new InvalidConfigurationException(sprintf('No authentication listener registered for firewall "%s".', $id));
  557.         }
  559.         return array($listeners, $defaultEntryPoint);
  560.     }
  562.     private function createEncoders($encoders, ContainerBuilder $container)
  563.     {
  564.         $encoderMap = array();
  565.         foreach ($encoders as $class => $encoder) {
  566.             $encoderMap[$class] = $this->createEncoder($encoder, $container);
  567.         }
  569.         $container
  570.             ->getDefinition('security.encoder_factory.generic')
  571.             ->setArguments(array($encoderMap))
  572.         ;
  573.     }
  575.     private function createEncoder($config, ContainerBuilder $container)
  576.     {
  577.         // a custom encoder service
  578.         if (isset($config['id'])) {
  579.             return new Reference($config['id']);
  580.         }
  582.         // plaintext encoder
  583.         if ('plaintext' === $config['algorithm']) {
  584.             $arguments = array($config['ignore_case']);
  586.             return array(
  587.                 'class' => 'Symfony\Component\Security\Core\Encoder\PlaintextPasswordEncoder',
  588.                 'arguments' => $arguments,
  589.             );
  590.         }
  592.         // pbkdf2 encoder
  593.         if ('pbkdf2' === $config['algorithm']) {
  594.             return array(
  595.                 'class' => 'Symfony\Component\Security\Core\Encoder\Pbkdf2PasswordEncoder',
  596.                 'arguments' => array(
  597.                     $config['hash_algorithm'],
  598.                     $config['encode_as_base64'],
  599.                     $config['iterations'],
  600.                     $config['key_length'],
  601.                 ),
  602.             );
  603.         }
  605.         // bcrypt encoder
  606.         if ('bcrypt' === $config['algorithm']) {
  607.             return array(
  608.                 'class' => 'Symfony\Component\Security\Core\Encoder\BCryptPasswordEncoder',
  609.                 'arguments' => array($config['cost']),
  610.             );
  611.         }
  613.         // Argon2i encoder
  614.         if ('argon2i' === $config['algorithm']) {
  615.             if (!Argon2iPasswordEncoder::isSupported()) {
  616.                 throw new InvalidConfigurationException('Argon2i algorithm is not supported. Please install the libsodium extension or upgrade to PHP 7.2+.');
  617.             }
  619.             return array(
  620.                 'class' => 'Symfony\Component\Security\Core\Encoder\Argon2iPasswordEncoder',
  621.                 'arguments' => array(),
  622.             );
  623.         }
  625.         // run-time configured encoder
  626.         return $config;
  627.     }
  629.     // Parses user providers and returns an array of their ids
  630.     private function createUserProviders($config, ContainerBuilder $container)
  631.     {
  632.         $providerIds = array();
  633.         foreach ($config['providers'] as $name => $provider) {
  634.             $id = $this->createUserDaoProvider($name, $provider, $container);
  635.             $providerIds[str_replace('-', '_', $name)] = $id;
  636.         }
  638.         return $providerIds;
  639.     }
  641.     // Parses a <provider> tag and returns the id for the related user provider service
  642.     private function createUserDaoProvider($name, $provider, ContainerBuilder $container)
  643.     {
  644.         $name = $this->getUserProviderId($name);
  646.         // Doctrine Entity and In-memory DAO provider are managed by factories
  647.         foreach ($this->userProviderFactories as $factory) {
  648.             $key = str_replace('-', '_', $factory->getKey());
  650.             if (!empty($provider[$key])) {
  651.                 $factory->create($container, $name, $provider[$key]);
  653.                 return $name;
  654.             }
  655.         }
  657.         // Existing DAO service provider
  658.         if (isset($provider['id'])) {
  659.             $container->setAlias($name, new Alias($provider['id'], false));
  661.             return $provider['id'];
  662.         }
  664.         // Chain provider
  665.         if (isset($provider['chain'])) {
  666.             $providers = array();
  667.             foreach ($provider['chain']['providers'] as $providerName) {
  668.                 $providers[] = new Reference($this->getUserProviderId($providerName));
  669.             }
  671.             $container
  672.                 ->setDefinition($name, new ChildDefinition('security.user.provider.chain'))
  673.                 ->addArgument(new IteratorArgument($providers));
  675.             return $name;
  676.         }
  678.         throw new InvalidConfigurationException(sprintf('Unable to create definition for "%s" user provider', $name));
  679.     }
  681.     private function getUserProviderId($name)
  682.     {
  683.         return 'security.user.provider.concrete.'.strtolower($name);
  684.     }
  686.     private function createExceptionListener($container, $config, $id, $defaultEntryPoint, $stateless)
  687.     {
  688.         $exceptionListenerId = 'security.exception_listener.'.$id;
  689.         $listener = $container->setDefinition($exceptionListenerId, new ChildDefinition('security.exception_listener'));
  690.         $listener->replaceArgument(3, $id);
  691.         $listener->replaceArgument(4, null === $defaultEntryPoint ? null : new Reference($defaultEntryPoint));
  692.         $listener->replaceArgument(8, $stateless);
  694.         // access denied handler setup
  695.         if (isset($config['access_denied_handler'])) {
  696.             $listener->replaceArgument(6, new Reference($config['access_denied_handler']));
  697.         } elseif (isset($config['access_denied_url'])) {
  698.             $listener->replaceArgument(5, $config['access_denied_url']);
  699.         }
  701.         return $exceptionListenerId;
  702.     }
  704.     private function createSwitchUserListener($container, $id, $config, $defaultProvider, $stateless, $providerIds)
  705.     {
  706.         $userProvider = isset($config['provider']) ? $this->getUserProviderId($config['provider']) : ($defaultProvider ?: $this->getFirstProvider($id, 'switch_user', $providerIds));
  708.         // in 4.0, ignore the `switch_user.stateless` key if $stateless is `true`
  709.         if ($stateless && false === $config['stateless']) {
  710.             @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);
  711.         }
  713.         $switchUserListenerId = 'security.authentication.switchuser_listener.'.$id;
  714.         $listener = $container->setDefinition($switchUserListenerId, new ChildDefinition('security.authentication.switchuser_listener'));
  715.         $listener->replaceArgument(1, new Reference($userProvider));
  716.         $listener->replaceArgument(2, new Reference('security.user_checker.'.$id));
  717.         $listener->replaceArgument(3, $id);
  718.         $listener->replaceArgument(6, $config['parameter']);
  719.         $listener->replaceArgument(7, $config['role']);
  720.         $listener->replaceArgument(9, $config['stateless']);
  722.         return $switchUserListenerId;
  723.     }
  725.     private function createExpression($container, $expression)
  726.     {
  727.         if (isset($this->expressions[$id = 'security.expression.'.ContainerBuilder::hash($expression)])) {
  728.             return $this->expressions[$id];
  729.         }
  731.         $container
  732.             ->register($id, 'Symfony\Component\ExpressionLanguage\SerializedParsedExpression')
  733.             ->setPublic(false)
  734.             ->addArgument($expression)
  735.             ->addArgument(serialize($this->getExpressionLanguage()->parse($expression, array('token', 'user', 'object', 'roles', 'request', 'trust_resolver'))->getNodes()))
  736.         ;
  738.         return $this->expressions[$id] = new Reference($id);
  739.     }
  741.     private function createRequestMatcher($container, $path = null, $host = null, $methods = array(), $ip = null, array $attributes = array())
  742.     {
  743.         if ($methods) {
  744.             $methods = array_map('strtoupper', (array) $methods);
  745.         }
  747.         $id = 'security.request_matcher.'.ContainerBuilder::hash(array($path, $host, $methods, $ip, $attributes));
  749.         if (isset($this->requestMatchers[$id])) {
  750.             return $this->requestMatchers[$id];
  751.         }
  753.         // only add arguments that are necessary
  754.         $arguments = array($path, $host, $methods, $ip, $attributes);
  755.         while (count($arguments) > 0 && !end($arguments)) {
  756.             array_pop($arguments);
  757.         }
  759.         $container
  760.             ->register($id, 'Symfony\Component\HttpFoundation\RequestMatcher')
  761.             ->setPublic(false)
  762.             ->setArguments($arguments)
  763.         ;
  765.         return $this->requestMatchers[$id] = new Reference($id);
  766.     }
  768.     public function addSecurityListenerFactory(SecurityFactoryInterface $factory)
  769.     {
  770.         $this->factories[$factory->getPosition()][] = $factory;
  771.     }
  773.     public function addUserProviderFactory(UserProviderFactoryInterface $factory)
  774.     {
  775.         $this->userProviderFactories[] = $factory;
  776.     }
  778.     /**
  779.      * Returns the base path for the XSD files.
  780.      *
  781.      * @return string The XSD base path
  782.      */
  783.     public function getXsdValidationBasePath()
  784.     {
  785.         return __DIR__.'/../Resources/config/schema';
  786.     }
  788.     public function getNamespace()
  789.     {
  790.         return 'http://symfony.com/schema/dic/security';
  791.     }
  793.     public function getConfiguration(array $config, ContainerBuilder $container)
  794.     {
  795.         // first assemble the factories
  796.         return new MainConfiguration($this->factories, $this->userProviderFactories);
  797.     }
  799.     private function getExpressionLanguage()
  800.     {
  801.         if (null === $this->expressionLanguage) {
  802.             if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) {
  803.                 throw new \RuntimeException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.');
  804.             }
  805.             $this->expressionLanguage = new ExpressionLanguage();
  806.         }
  808.         return $this->expressionLanguage;
  809.     }
  811.     /**
  812.      * @deprecated since version 3.4, to be removed in 4.0
  813.      */
  814.     private function getFirstProvider($firewallName, $listenerName, array $providerIds)
  815.     {
  816.         @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);
  818.         return $providerIds[$first];
  819.     }
  820. }