vendor/symfony/symfony/src/Symfony/Bundle/SecurityBundle/DependencyInjection/SecurityExtension.php line 386

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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;
  31. use Symfony\Component\Templating\Helper\Helper;
  32. use Twig\Extension\AbstractExtension;
  34. /**
  35.  * SecurityExtension.
  36.  *
  37.  * @author Fabien Potencier <fabien@symfony.com>
  38.  * @author Johannes M. Schmitt <schmittjoh@gmail.com>
  39.  */
  40. class SecurityExtension extends Extension
  41. {
  42.     private $requestMatchers = [];
  43.     private $expressions = [];
  44.     private $contextListeners = [];
  45.     private $listenerPositions = ['pre_auth', 'form', 'http', 'remember_me'];
  46.     private $factories = [];
  47.     private $userProviderFactories = [];
  48.     private $expressionLanguage;
  49.     private $logoutOnUserChangeByContextKey = [];
  50.     private $statelessFirewallKeys = [];
  52.     public function __construct()
  53.     {
  54.         foreach ($this->listenerPositions as $position) {
  55.             $this->factories[$position] = [];
  56.         }
  57.     }
  59.     public function load(array $configs, ContainerBuilder $container)
  60.     {
  61.         if (!array_filter($configs)) {
  62.             return;
  63.         }
  65.         $mainConfig = $this->getConfiguration($configs, $container);
  67.         $config = $this->processConfiguration($mainConfig, $configs);
  69.         // load services
  70.         $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
  71.         $loader->load('security.xml');
  72.         $loader->load('security_listeners.xml');
  73.         $loader->load('security_rememberme.xml');
  75.         if (class_exists(Helper::class)) {
  76.             $loader->load('templating_php.xml');
  78.             $container->getDefinition('templating.helper.logout_url')->setPrivate(true);
  79.             $container->getDefinition('templating.helper.security')->setPrivate(true);
  80.         }
  82.         if (class_exists(AbstractExtension::class)) {
  83.             $loader->load('templating_twig.xml');
  84.         }
  86.         $loader->load('collectors.xml');
  87.         $loader->load('guard.xml');
  89.         $container->getDefinition('security.authentication.guard_handler')->setPrivate(true);
  90.         $container->getDefinition('security.firewall')->setPrivate(true);
  91.         $container->getDefinition('security.firewall.context')->setPrivate(true);
  92.         $container->getDefinition('security.validator.user_password')->setPrivate(true);
  93.         $container->getDefinition('security.rememberme.response_listener')->setPrivate(true);
  94.         $container->getAlias('security.encoder_factory')->setPrivate(true);
  96.         if ($container->hasParameter('kernel.debug') && $container->getParameter('kernel.debug')) {
  97.             $loader->load('security_debug.xml');
  99.             $container->getAlias('security.firewall')->setPrivate(true);
  100.         }
  102.         if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) {
  103.             $container->removeDefinition('security.expression_language');
  104.             $container->removeDefinition('security.access.expression_voter');
  105.         }
  107.         // set some global scalars
  108.         $container->setParameter('security.access.denied_url', $config['access_denied_url']);
  109.         $container->setParameter('security.authentication.manager.erase_credentials', $config['erase_credentials']);
  110.         $container->setParameter('security.authentication.session_strategy.strategy', $config['session_fixation_strategy']);
  112.         if (isset($config['access_decision_manager']['service'])) {
  113.             $container->setAlias('security.access.decision_manager', $config['access_decision_manager']['service'])->setPrivate(true);
  114.         } else {
  115.             $container
  116.                 ->getDefinition('security.access.decision_manager')
  117.                 ->addArgument($config['access_decision_manager']['strategy'])
  118.                 ->addArgument($config['access_decision_manager']['allow_if_all_abstain'])
  119.                 ->addArgument($config['access_decision_manager']['allow_if_equal_granted_denied']);
  120.         }
  122.         $container->setParameter('security.access.always_authenticate_before_granting', $config['always_authenticate_before_granting']);
  123.         $container->setParameter('security.authentication.hide_user_not_found', $config['hide_user_not_found']);
  125.         $this->createFirewalls($config, $container);
  126.         $this->createAuthorization($config, $container);
  127.         $this->createRoleHierarchy($config, $container);
  129.         $container->getDefinition('security.authentication.guard_handler')
  130.             ->replaceArgument(2, $this->statelessFirewallKeys);
  132.         if ($config['encoders']) {
  133.             $this->createEncoders($config['encoders'], $container);
  134.         }
  136.         if (class_exists(Application::class)) {
  137.             $loader->load('console.xml');
  138.             $container->getDefinition('security.command.user_password_encoder')->replaceArgument(1, array_keys($config['encoders']));
  139.         }
  141.         // load ACL
  142.         if (isset($config['acl'])) {
  143.             $this->aclLoad($config['acl'], $container);
  144.         } else {
  145.             $container->removeDefinition('security.command.init_acl');
  146.             $container->removeDefinition('security.command.set_acl');
  147.         }
  149.         $container->registerForAutoconfiguration(VoterInterface::class)
  150.             ->addTag('security.voter');
  152.         if (\PHP_VERSION_ID < 70000) {
  153.             // add some required classes for compilation
  154.             $this->addClassesToCompile([
  155.                 'Symfony\Component\Security\Http\Firewall',
  156.                 'Symfony\Component\Security\Core\User\UserProviderInterface',
  157.                 'Symfony\Component\Security\Core\Authentication\AuthenticationProviderManager',
  158.                 'Symfony\Component\Security\Core\Authentication\Token\Storage\TokenStorage',
  159.                 'Symfony\Component\Security\Core\Authorization\AccessDecisionManager',
  160.                 'Symfony\Component\Security\Core\Authorization\AuthorizationChecker',
  161.                 'Symfony\Component\Security\Core\Authorization\Voter\VoterInterface',
  162.                 'Symfony\Bundle\SecurityBundle\Security\FirewallConfig',
  163.                 'Symfony\Bundle\SecurityBundle\Security\FirewallContext',
  164.                 'Symfony\Component\HttpFoundation\RequestMatcher',
  165.             ]);
  166.         }
  167.     }
  169.     private function aclLoad($config, ContainerBuilder $container)
  170.     {
  171.         if (!interface_exists('Symfony\Component\Security\Acl\Model\AclInterface')) {
  172.             throw new \LogicException('You must install symfony/security-acl in order to use the ACL functionality.');
  173.         }
  175.         $loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
  176.         $loader->load('security_acl.xml');
  178.         if (isset($config['cache']['id'])) {
  179.             $container->setAlias('security.acl.cache', $config['cache']['id'])->setPrivate(true);
  180.         }
  181.         $container->getDefinition('security.acl.voter.basic_permissions')->addArgument($config['voter']['allow_if_object_identity_unavailable']);
  183.         // custom ACL provider
  184.         if (isset($config['provider'])) {
  185.             $container->setAlias('security.acl.provider', $config['provider'])->setPrivate(true);
  187.             return;
  188.         }
  190.         $this->configureDbalAclProvider($config, $container, $loader);
  191.     }
  193.     private function configureDbalAclProvider(array $config, ContainerBuilder $container, $loader)
  194.     {
  195.         $loader->load('security_acl_dbal.xml');
  197.         $container->getDefinition('security.acl.dbal.schema')->setPrivate(true);
  198.         $container->getAlias('security.acl.dbal.connection')->setPrivate(true);
  199.         $container->getAlias('security.acl.provider')->setPrivate(true);
  201.         if (null !== $config['connection']) {
  202.             $container->setAlias('security.acl.dbal.connection', sprintf('doctrine.dbal.%s_connection', $config['connection']))->setPrivate(true);
  203.         }
  205.         $container
  206.             ->getDefinition('security.acl.dbal.schema_listener')
  207.             ->addTag('doctrine.event_listener', [
  208.                 'connection' => $config['connection'],
  209.                 'event' => 'postGenerateSchema',
  210.                 'lazy' => true,
  211.             ])
  212.         ;
  214.         $container->getDefinition('security.acl.cache.doctrine')->addArgument($config['cache']['prefix']);
  216.         $container->setParameter('security.acl.dbal.class_table_name', $config['tables']['class']);
  217.         $container->setParameter('security.acl.dbal.entry_table_name', $config['tables']['entry']);
  218.         $container->setParameter('security.acl.dbal.oid_table_name', $config['tables']['object_identity']);
  219.         $container->setParameter('security.acl.dbal.oid_ancestors_table_name', $config['tables']['object_identity_ancestors']);
  220.         $container->setParameter('security.acl.dbal.sid_table_name', $config['tables']['security_identity']);
  221.     }
  223.     private function createRoleHierarchy(array $config, ContainerBuilder $container)
  224.     {
  225.         if (!isset($config['role_hierarchy']) || 0 === \count($config['role_hierarchy'])) {
  226.             $container->removeDefinition('security.access.role_hierarchy_voter');
  228.             return;
  229.         }
  231.         $container->setParameter('security.role_hierarchy.roles', $config['role_hierarchy']);
  232.         $container->removeDefinition('security.access.simple_role_voter');
  233.     }
  235.     private function createAuthorization($config, ContainerBuilder $container)
  236.     {
  237.         if (!$config['access_control']) {
  238.             return;
  239.         }
  241.         if (\PHP_VERSION_ID < 70000) {
  242.             $this->addClassesToCompile([
  243.                 'Symfony\\Component\\Security\\Http\\AccessMap',
  244.             ]);
  245.         }
  247.         foreach ($config['access_control'] as $access) {
  248.             $matcher = $this->createRequestMatcher(
  249.                 $container,
  250.                 $access['path'],
  251.                 $access['host'],
  252.                 $access['methods'],
  253.                 $access['ips']
  254.             );
  256.             $attributes = $access['roles'];
  257.             if ($access['allow_if']) {
  258.                 $attributes[] = $this->createExpression($container, $access['allow_if']);
  259.             }
  261.             $container->getDefinition('security.access_map')
  262.                       ->addMethodCall('add', [$matcher, $attributes, $access['requires_channel']]);
  263.         }
  264.     }
  266.     private function createFirewalls($config, ContainerBuilder $container)
  267.     {
  268.         if (!isset($config['firewalls'])) {
  269.             return;
  270.         }
  272.         $firewalls = $config['firewalls'];
  273.         $providerIds = $this->createUserProviders($config, $container);
  275.         // make the ContextListener aware of the configured user providers
  276.         $contextListenerDefinition = $container->getDefinition('security.context_listener');
  277.         $arguments = $contextListenerDefinition->getArguments();
  278.         $userProviders = [];
  279.         foreach ($providerIds as $userProviderId) {
  280.             $userProviders[] = new Reference($userProviderId);
  281.         }
  282.         $arguments[1] = new IteratorArgument($userProviders);
  283.         $contextListenerDefinition->setArguments($arguments);
  285.         $customUserChecker = false;
  287.         // load firewall map
  288.         $mapDef = $container->getDefinition('security.firewall.map');
  289.         $map = $authenticationProviders = $contextRefs = [];
  290.         foreach ($firewalls as $name => $firewall) {
  291.             if (isset($firewall['user_checker']) && 'security.user_checker' !== $firewall['user_checker']) {
  292.                 $customUserChecker = true;
  293.             }
  295.             $configId = 'security.firewall.map.config.'.$name;
  297.             list($matcher, $listeners, $exceptionListener, $logoutListener) = $this->createFirewall($container, $name, $firewall, $authenticationProviders, $providerIds, $configId);
  299.             $contextId = 'security.firewall.map.context.'.$name;
  300.             $context = $container->setDefinition($contextId, new ChildDefinition('security.firewall.context'));
  301.             $context
  302.                 ->replaceArgument(0, new IteratorArgument($listeners))
  303.                 ->replaceArgument(1, $exceptionListener)
  304.                 ->replaceArgument(2, $logoutListener)
  305.                 ->replaceArgument(3, new Reference($configId))
  306.             ;
  308.             $contextRefs[$contextId] = new Reference($contextId);
  309.             $map[$contextId] = $matcher;
  310.         }
  311.         $mapDef->replaceArgument(0, ServiceLocatorTagPass::register($container, $contextRefs));
  312.         $mapDef->replaceArgument(1, new IteratorArgument($map));
  314.         // add authentication providers to authentication manager
  315.         $authenticationProviders = array_map(function ($id) {
  316.             return new Reference($id);
  317.         }, array_values(array_unique($authenticationProviders)));
  318.         $container
  319.             ->getDefinition('security.authentication.manager')
  320.             ->replaceArgument(0, new IteratorArgument($authenticationProviders))
  321.         ;
  323.         // register an autowire alias for the UserCheckerInterface if no custom user checker service is configured
  324.         if (!$customUserChecker) {
  325.             $container->setAlias('Symfony\Component\Security\Core\User\UserCheckerInterface', new Alias('security.user_checker', false));
  326.         }
  327.     }
  329.     private function createFirewall(ContainerBuilder $container, $id, $firewall, &$authenticationProviders, $providerIds, $configId)
  330.     {
  331.         $config = $container->setDefinition($configId, new ChildDefinition('security.firewall.config'));
  332.         $config->replaceArgument(0, $id);
  333.         $config->replaceArgument(1, $firewall['user_checker']);
  335.         // Matcher
  336.         $matcher = null;
  337.         if (isset($firewall['request_matcher'])) {
  338.             $matcher = new Reference($firewall['request_matcher']);
  339.         } elseif (isset($firewall['pattern']) || isset($firewall['host'])) {
  340.             $pattern = isset($firewall['pattern']) ? $firewall['pattern'] : null;
  341.             $host = isset($firewall['host']) ? $firewall['host'] : null;
  342.             $methods = isset($firewall['methods']) ? $firewall['methods'] : [];
  343.             $matcher = $this->createRequestMatcher($container, $pattern, $host, $methods);
  344.         }
  346.         $config->replaceArgument(2, $matcher ? (string) $matcher : null);
  347.         $config->replaceArgument(3, $firewall['security']);
  349.         // Security disabled?
  350.         if (false === $firewall['security']) {
  351.             return [$matcher, [], null, null];
  352.         }
  354.         $config->replaceArgument(4, $firewall['stateless']);
  356.         // Provider id (take the first registered provider if none defined)
  357.         $defaultProvider = null;
  358.         if (isset($firewall['provider'])) {
  359.             if (!isset($providerIds[$normalizedName = str_replace('-', '_', $firewall['provider'])])) {
  360.                 throw new InvalidConfigurationException(sprintf('Invalid firewall "%s": user provider "%s" not found.', $id, $firewall['provider']));
  361.             }
  362.             $defaultProvider = $providerIds[$normalizedName];
  363.         } elseif (1 === \count($providerIds)) {
  364.             $defaultProvider = reset($providerIds);
  365.         }
  367.         $config->replaceArgument(5, $defaultProvider);
  369.         // Register listeners
  370.         $listeners = [];
  371.         $listenerKeys = [];
  373.         // Channel listener
  374.         $listeners[] = new Reference('security.channel_listener');
  376.         $contextKey = null;
  377.         $contextListenerId = null;
  378.         // Context serializer listener
  379.         if (false === $firewall['stateless']) {
  380.             $contextKey = $id;
  381.             if (isset($firewall['context'])) {
  382.                 $contextKey = $firewall['context'];
  383.             }
  385.             if (!$logoutOnUserChange = $firewall['logout_on_user_change']) {
  386.                 @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.', $id), \E_USER_DEPRECATED);
  387.             }
  389.             if (isset($this->logoutOnUserChangeByContextKey[$contextKey]) && $this->logoutOnUserChangeByContextKey[$contextKey][1] !== $logoutOnUserChange) {
  390.                 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));
  391.             }
  393.             $this->logoutOnUserChangeByContextKey[$contextKey] = [$id, $logoutOnUserChange];
  394.             $listeners[] = new Reference($contextListenerId = $this->createContextListener($container, $contextKey, $logoutOnUserChange));
  395.             $sessionStrategyId = 'security.authentication.session_strategy';
  396.         } else {
  397.             $this->statelessFirewallKeys[] = $id;
  398.             $sessionStrategyId = 'security.authentication.session_strategy_noop';
  399.         }
  400.         $container->setAlias(new Alias('security.authentication.session_strategy.'.$id, false), $sessionStrategyId);
  402.         $config->replaceArgument(6, $contextKey);
  404.         // Logout listener
  405.         $logoutListenerId = null;
  406.         if (isset($firewall['logout'])) {
  407.             $logoutListenerId = 'security.logout_listener.'.$id;
  408.             $logoutListener = $container->setDefinition($logoutListenerId, new ChildDefinition('security.logout_listener'));
  409.             $logoutListener->replaceArgument(3, [
  410.                 'csrf_parameter' => $firewall['logout']['csrf_parameter'],
  411.                 'csrf_token_id' => $firewall['logout']['csrf_token_id'],
  412.                 'logout_path' => $firewall['logout']['path'],
  413.             ]);
  415.             // add logout success handler
  416.             if (isset($firewall['logout']['success_handler'])) {
  417.                 $logoutSuccessHandlerId = $firewall['logout']['success_handler'];
  418.             } else {
  419.                 $logoutSuccessHandlerId = 'security.logout.success_handler.'.$id;
  420.                 $logoutSuccessHandler = $container->setDefinition($logoutSuccessHandlerId, new ChildDefinition('security.logout.success_handler'));
  421.                 $logoutSuccessHandler->replaceArgument(1, $firewall['logout']['target']);
  422.             }
  423.             $logoutListener->replaceArgument(2, new Reference($logoutSuccessHandlerId));
  425.             // add CSRF provider
  426.             if (isset($firewall['logout']['csrf_token_generator'])) {
  427.                 $logoutListener->addArgument(new Reference($firewall['logout']['csrf_token_generator']));
  428.             }
  430.             // add session logout handler
  431.             if (true === $firewall['logout']['invalidate_session'] && false === $firewall['stateless']) {
  432.                 $logoutListener->addMethodCall('addHandler', [new Reference('security.logout.handler.session')]);
  433.             }
  435.             // add cookie logout handler
  436.             if (\count($firewall['logout']['delete_cookies']) > 0) {
  437.                 $cookieHandlerId = 'security.logout.handler.cookie_clearing.'.$id;
  438.                 $cookieHandler = $container->setDefinition($cookieHandlerId, new ChildDefinition('security.logout.handler.cookie_clearing'));
  439.                 $cookieHandler->addArgument($firewall['logout']['delete_cookies']);
  441.                 $logoutListener->addMethodCall('addHandler', [new Reference($cookieHandlerId)]);
  442.             }
  444.             // add custom handlers
  445.             foreach ($firewall['logout']['handlers'] as $handlerId) {
  446.                 $logoutListener->addMethodCall('addHandler', [new Reference($handlerId)]);
  447.             }
  449.             // register with LogoutUrlGenerator
  450.             $container
  451.                 ->getDefinition('security.logout_url_generator')
  452.                 ->addMethodCall('registerListener', [
  453.                     $id,
  454.                     $firewall['logout']['path'],
  455.                     $firewall['logout']['csrf_token_id'],
  456.                     $firewall['logout']['csrf_parameter'],
  457.                     isset($firewall['logout']['csrf_token_generator']) ? new Reference($firewall['logout']['csrf_token_generator']) : null,
  458.                     false === $firewall['stateless'] && isset($firewall['context']) ? $firewall['context'] : null,
  459.                 ])
  460.             ;
  461.         }
  463.         // Determine default entry point
  464.         $configuredEntryPoint = isset($firewall['entry_point']) ? $firewall['entry_point'] : null;
  466.         // Authentication listeners
  467.         list($authListeners, $defaultEntryPoint) = $this->createAuthenticationListeners($container, $id, $firewall, $authenticationProviders, $defaultProvider, $providerIds, $configuredEntryPoint, $contextListenerId);
  469.         $config->replaceArgument(7, $configuredEntryPoint ?: $defaultEntryPoint);
  471.         $listeners = array_merge($listeners, $authListeners);
  473.         // Switch user listener
  474.         if (isset($firewall['switch_user'])) {
  475.             $listenerKeys[] = 'switch_user';
  476.             $listeners[] = new Reference($this->createSwitchUserListener($container, $id, $firewall['switch_user'], $defaultProvider, $firewall['stateless'], $providerIds));
  477.         }
  479.         // Access listener
  480.         $listeners[] = new Reference('security.access_listener');
  482.         // Exception listener
  483.         $exceptionListener = new Reference($this->createExceptionListener($container, $firewall, $id, $configuredEntryPoint ?: $defaultEntryPoint, $firewall['stateless']));
  485.         $config->replaceArgument(8, isset($firewall['access_denied_handler']) ? $firewall['access_denied_handler'] : null);
  486.         $config->replaceArgument(9, isset($firewall['access_denied_url']) ? $firewall['access_denied_url'] : null);
  488.         $container->setAlias('security.user_checker.'.$id, new Alias($firewall['user_checker'], false));
  490.         foreach ($this->factories as $position) {
  491.             foreach ($position as $factory) {
  492.                 $key = str_replace('-', '_', $factory->getKey());
  493.                 if (\array_key_exists($key, $firewall)) {
  494.                     $listenerKeys[] = $key;
  495.                 }
  496.             }
  497.         }
  499.         if (isset($firewall['anonymous'])) {
  500.             $listenerKeys[] = 'anonymous';
  501.         }
  503.         $config->replaceArgument(10, $listenerKeys);
  504.         $config->replaceArgument(11, isset($firewall['switch_user']) ? $firewall['switch_user'] : null);
  506.         return [$matcher, $listeners, $exceptionListener, null !== $logoutListenerId ? new Reference($logoutListenerId) : null];
  507.     }
  509.     private function createContextListener($container, $contextKey, $logoutUserOnChange)
  510.     {
  511.         if (isset($this->contextListeners[$contextKey])) {
  512.             return $this->contextListeners[$contextKey];
  513.         }
  515.         $listenerId = 'security.context_listener.'.\count($this->contextListeners);
  516.         $listener = $container->setDefinition($listenerId, new ChildDefinition('security.context_listener'));
  517.         $listener->replaceArgument(2, $contextKey);
  518.         $listener->addMethodCall('setLogoutOnUserChange', [$logoutUserOnChange]);
  520.         return $this->contextListeners[$contextKey] = $listenerId;
  521.     }
  523.     private function createAuthenticationListeners($container, $id, $firewall, &$authenticationProviders, $defaultProvider, array $providerIds, $defaultEntryPoint, $contextListenerId = null)
  524.     {
  525.         $listeners = [];
  526.         $hasListeners = false;
  528.         foreach ($this->listenerPositions as $position) {
  529.             foreach ($this->factories[$position] as $factory) {
  530.                 $key = str_replace('-', '_', $factory->getKey());
  532.                 if (isset($firewall[$key])) {
  533.                     if (isset($firewall[$key]['provider'])) {
  534.                         if (!isset($providerIds[$normalizedName = str_replace('-', '_', $firewall[$key]['provider'])])) {
  535.                             throw new InvalidConfigurationException(sprintf('Invalid firewall "%s": user provider "%s" not found.', $id, $firewall[$key]['provider']));
  536.                         }
  537.                         $userProvider = $providerIds[$normalizedName];
  538.                     } elseif ('remember_me' === $key) {
  539.                         // RememberMeFactory will use the firewall secret when created
  540.                         $userProvider = null;
  541.                         if ($contextListenerId) {
  542.                             $container->getDefinition($contextListenerId)->addTag('security.remember_me_aware', ['id' => $id, 'provider' => 'none']);
  543.                         }
  544.                     } else {
  545.                         $userProvider = $defaultProvider ?: $this->getFirstProvider($id, $key, $providerIds);
  546.                     }
  548.                     list($provider, $listenerId, $defaultEntryPoint) = $factory->create($container, $id, $firewall[$key], $userProvider, $defaultEntryPoint);
  550.                     $listeners[] = new Reference($listenerId);
  551.                     $authenticationProviders[] = $provider;
  552.                     $hasListeners = true;
  553.                 }
  554.             }
  555.         }
  557.         // Anonymous
  558.         if (isset($firewall['anonymous'])) {
  559.             if (null === $firewall['anonymous']['secret']) {
  560.                 $firewall['anonymous']['secret'] = new Parameter('container.build_hash');
  561.             }
  563.             $listenerId = 'security.authentication.listener.anonymous.'.$id;
  564.             $container
  565.                 ->setDefinition($listenerId, new ChildDefinition('security.authentication.listener.anonymous'))
  566.                 ->replaceArgument(1, $firewall['anonymous']['secret'])
  567.             ;
  569.             $listeners[] = new Reference($listenerId);
  571.             $providerId = 'security.authentication.provider.anonymous.'.$id;
  572.             $container
  573.                 ->setDefinition($providerId, new ChildDefinition('security.authentication.provider.anonymous'))
  574.                 ->replaceArgument(0, $firewall['anonymous']['secret'])
  575.             ;
  577.             $authenticationProviders[] = $providerId;
  578.             $hasListeners = true;
  579.         }
  581.         if (false === $hasListeners) {
  582.             throw new InvalidConfigurationException(sprintf('No authentication listener registered for firewall "%s".', $id));
  583.         }
  585.         return [$listeners, $defaultEntryPoint];
  586.     }
  588.     private function createEncoders($encoders, ContainerBuilder $container)
  589.     {
  590.         $encoderMap = [];
  591.         foreach ($encoders as $class => $encoder) {
  592.             $encoderMap[$class] = $this->createEncoder($encoder);
  593.         }
  595.         $container
  596.             ->getDefinition('security.encoder_factory.generic')
  597.             ->setArguments([$encoderMap])
  598.         ;
  599.     }
  601.     private function createEncoder($config)
  602.     {
  603.         // a custom encoder service
  604.         if (isset($config['id'])) {
  605.             return new Reference($config['id']);
  606.         }
  608.         // plaintext encoder
  609.         if ('plaintext' === $config['algorithm']) {
  610.             $arguments = [$config['ignore_case']];
  612.             return [
  613.                 'class' => 'Symfony\Component\Security\Core\Encoder\PlaintextPasswordEncoder',
  614.                 'arguments' => $arguments,
  615.             ];
  616.         }
  618.         // pbkdf2 encoder
  619.         if ('pbkdf2' === $config['algorithm']) {
  620.             return [
  621.                 'class' => 'Symfony\Component\Security\Core\Encoder\Pbkdf2PasswordEncoder',
  622.                 'arguments' => [
  623.                     $config['hash_algorithm'],
  624.                     $config['encode_as_base64'],
  625.                     $config['iterations'],
  626.                     $config['key_length'],
  627.                 ],
  628.             ];
  629.         }
  631.         // bcrypt encoder
  632.         if ('bcrypt' === $config['algorithm']) {
  633.             return [
  634.                 'class' => 'Symfony\Component\Security\Core\Encoder\BCryptPasswordEncoder',
  635.                 'arguments' => [$config['cost']],
  636.             ];
  637.         }
  639.         // Argon2i encoder
  640.         if ('argon2i' === $config['algorithm']) {
  641.             if (!Argon2iPasswordEncoder::isSupported()) {
  642.                 throw new InvalidConfigurationException('Argon2i algorithm is not supported. Please install the libsodium extension or upgrade to PHP 7.2+.');
  643.             }
  645.             return [
  646.                 'class' => 'Symfony\Component\Security\Core\Encoder\Argon2iPasswordEncoder',
  647.                 'arguments' => [],
  648.             ];
  649.         }
  651.         // run-time configured encoder
  652.         return $config;
  653.     }
  655.     // Parses user providers and returns an array of their ids
  656.     private function createUserProviders($config, ContainerBuilder $container)
  657.     {
  658.         $providerIds = [];
  659.         foreach ($config['providers'] as $name => $provider) {
  660.             $id = $this->createUserDaoProvider($name, $provider, $container);
  661.             $providerIds[str_replace('-', '_', $name)] = $id;
  662.         }
  664.         return $providerIds;
  665.     }
  667.     // Parses a <provider> tag and returns the id for the related user provider service
  668.     private function createUserDaoProvider($name, $provider, ContainerBuilder $container)
  669.     {
  670.         $name = $this->getUserProviderId($name);
  672.         // Doctrine Entity and In-memory DAO provider are managed by factories
  673.         foreach ($this->userProviderFactories as $factory) {
  674.             $key = str_replace('-', '_', $factory->getKey());
  676.             if (!empty($provider[$key])) {
  677.                 $factory->create($container, $name, $provider[$key]);
  679.                 return $name;
  680.             }
  681.         }
  683.         // Existing DAO service provider
  684.         if (isset($provider['id'])) {
  685.             $container->setAlias($name, new Alias($provider['id'], false));
  687.             return $provider['id'];
  688.         }
  690.         // Chain provider
  691.         if (isset($provider['chain'])) {
  692.             $providers = [];
  693.             foreach ($provider['chain']['providers'] as $providerName) {
  694.                 $providers[] = new Reference($this->getUserProviderId($providerName));
  695.             }
  697.             $container
  698.                 ->setDefinition($name, new ChildDefinition('security.user.provider.chain'))
  699.                 ->addArgument(new IteratorArgument($providers));
  701.             return $name;
  702.         }
  704.         throw new InvalidConfigurationException(sprintf('Unable to create definition for "%s" user provider.', $name));
  705.     }
  707.     private function getUserProviderId($name)
  708.     {
  709.         return 'security.user.provider.concrete.'.strtolower($name);
  710.     }
  712.     private function createExceptionListener($container, $config, $id, $defaultEntryPoint, $stateless)
  713.     {
  714.         $exceptionListenerId = 'security.exception_listener.'.$id;
  715.         $listener = $container->setDefinition($exceptionListenerId, new ChildDefinition('security.exception_listener'));
  716.         $listener->replaceArgument(3, $id);
  717.         $listener->replaceArgument(4, null === $defaultEntryPoint ? null : new Reference($defaultEntryPoint));
  718.         $listener->replaceArgument(8, $stateless);
  720.         // access denied handler setup
  721.         if (isset($config['access_denied_handler'])) {
  722.             $listener->replaceArgument(6, new Reference($config['access_denied_handler']));
  723.         } elseif (isset($config['access_denied_url'])) {
  724.             $listener->replaceArgument(5, $config['access_denied_url']);
  725.         }
  727.         return $exceptionListenerId;
  728.     }
  730.     private function createSwitchUserListener($container, $id, $config, $defaultProvider, $stateless, $providerIds)
  731.     {
  732.         $userProvider = isset($config['provider']) ? $this->getUserProviderId($config['provider']) : ($defaultProvider ?: $this->getFirstProvider($id, 'switch_user', $providerIds));
  734.         // in 4.0, ignore the `switch_user.stateless` key if $stateless is `true`
  735.         if ($stateless && false === $config['stateless']) {
  736.             @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);
  737.         }
  739.         $switchUserListenerId = 'security.authentication.switchuser_listener.'.$id;
  740.         $listener = $container->setDefinition($switchUserListenerId, new ChildDefinition('security.authentication.switchuser_listener'));
  741.         $listener->replaceArgument(1, new Reference($userProvider));
  742.         $listener->replaceArgument(2, new Reference('security.user_checker.'.$id));
  743.         $listener->replaceArgument(3, $id);
  744.         $listener->replaceArgument(6, $config['parameter']);
  745.         $listener->replaceArgument(7, $config['role']);
  746.         $listener->replaceArgument(9, $config['stateless']);
  748.         return $switchUserListenerId;
  749.     }
  751.     private function createExpression($container, $expression)
  752.     {
  753.         if (isset($this->expressions[$id = 'security.expression.'.ContainerBuilder::hash($expression)])) {
  754.             return $this->expressions[$id];
  755.         }
  757.         $container
  758.             ->register($id, 'Symfony\Component\ExpressionLanguage\SerializedParsedExpression')
  759.             ->setPublic(false)
  760.             ->addArgument($expression)
  761.             ->addArgument(serialize($this->getExpressionLanguage()->parse($expression, ['token', 'user', 'object', 'roles', 'request', 'trust_resolver'])->getNodes()))
  762.         ;
  764.         return $this->expressions[$id] = new Reference($id);
  765.     }
  767.     private function createRequestMatcher($container, $path = null, $host = null, $methods = [], $ip = null, array $attributes = [])
  768.     {
  769.         if ($methods) {
  770.             $methods = array_map('strtoupper', (array) $methods);
  771.         }
  773.         $id = 'security.request_matcher.'.ContainerBuilder::hash([$path, $host, $methods, $ip, $attributes]);
  775.         if (isset($this->requestMatchers[$id])) {
  776.             return $this->requestMatchers[$id];
  777.         }
  779.         // only add arguments that are necessary
  780.         $arguments = [$path, $host, $methods, $ip, $attributes];
  781.         while (\count($arguments) > 0 && !end($arguments)) {
  782.             array_pop($arguments);
  783.         }
  785.         $container
  786.             ->register($id, 'Symfony\Component\HttpFoundation\RequestMatcher')
  787.             ->setPublic(false)
  788.             ->setArguments($arguments)
  789.         ;
  791.         return $this->requestMatchers[$id] = new Reference($id);
  792.     }
  794.     public function addSecurityListenerFactory(SecurityFactoryInterface $factory)
  795.     {
  796.         $this->factories[$factory->getPosition()][] = $factory;
  797.     }
  799.     public function addUserProviderFactory(UserProviderFactoryInterface $factory)
  800.     {
  801.         $this->userProviderFactories[] = $factory;
  802.     }
  804.     /**
  805.      * {@inheritdoc}
  806.      */
  807.     public function getXsdValidationBasePath()
  808.     {
  809.         return __DIR__.'/../Resources/config/schema';
  810.     }
  812.     public function getNamespace()
  813.     {
  814.         return 'http://symfony.com/schema/dic/security';
  815.     }
  817.     public function getConfiguration(array $config, ContainerBuilder $container)
  818.     {
  819.         // first assemble the factories
  820.         return new MainConfiguration($this->factories, $this->userProviderFactories);
  821.     }
  823.     private function getExpressionLanguage()
  824.     {
  825.         if (null === $this->expressionLanguage) {
  826.             if (!class_exists('Symfony\Component\ExpressionLanguage\ExpressionLanguage')) {
  827.                 throw new \RuntimeException('Unable to use expressions as the Symfony ExpressionLanguage component is not installed.');
  828.             }
  829.             $this->expressionLanguage = new ExpressionLanguage();
  830.         }
  832.         return $this->expressionLanguage;
  833.     }
  835.     /**
  836.      * @deprecated since version 3.4, to be removed in 4.0
  837.      */
  838.     private function getFirstProvider($firewallName, $listenerName, array $providerIds)
  839.     {
  840.         @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);
  842.         return $providerIds[$first];
  843.     }
  844. }