632 lines
24 KiB
PHP
632 lines
24 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Bundle\SecurityBundle\DependencyInjection;
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use Symfony\Bundle\SecurityBundle\DependencyInjection\Security\Factory\SecurityFactoryInterface;
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use Symfony\Bundle\SecurityBundle\DependencyInjection\Security\UserProvider\UserProviderFactoryInterface;
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use Symfony\Component\DependencyInjection\DefinitionDecorator;
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use Symfony\Component\DependencyInjection\Alias;
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use Symfony\Component\HttpKernel\DependencyInjection\Extension;
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use Symfony\Component\DependencyInjection\Loader\XmlFileLoader;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\Reference;
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use Symfony\Component\DependencyInjection\Parameter;
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use Symfony\Component\Config\FileLocator;
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/**
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* SecurityExtension.
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*
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* @author Fabien Potencier <fabien@symfony.com>
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class SecurityExtension extends Extension
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{
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private $requestMatchers = array();
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private $contextListeners = array();
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private $listenerPositions = array('pre_auth', 'form', 'http', 'remember_me');
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private $factories = array();
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private $userProviderFactories = array();
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public function __construct()
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{
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foreach ($this->listenerPositions as $position) {
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$this->factories[$position] = array();
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}
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}
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public function load(array $configs, ContainerBuilder $container)
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{
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if (!array_filter($configs)) {
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return;
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}
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$mainConfig = $this->getConfiguration($configs, $container);
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$config = $this->processConfiguration($mainConfig, $configs);
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// load services
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$loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
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$loader->load('security.xml');
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$loader->load('security_listeners.xml');
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$loader->load('security_rememberme.xml');
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$loader->load('templating_php.xml');
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$loader->load('templating_twig.xml');
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$loader->load('collectors.xml');
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// set some global scalars
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$container->setParameter('security.access.denied_url', $config['access_denied_url']);
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$container->setParameter('security.authentication.manager.erase_credentials', $config['erase_credentials']);
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$container->setParameter('security.authentication.session_strategy.strategy', $config['session_fixation_strategy']);
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$container
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->getDefinition('security.access.decision_manager')
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->addArgument($config['access_decision_manager']['strategy'])
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->addArgument($config['access_decision_manager']['allow_if_all_abstain'])
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->addArgument($config['access_decision_manager']['allow_if_equal_granted_denied'])
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;
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$container->setParameter('security.access.always_authenticate_before_granting', $config['always_authenticate_before_granting']);
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$container->setParameter('security.authentication.hide_user_not_found', $config['hide_user_not_found']);
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$this->createFirewalls($config, $container);
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$this->createAuthorization($config, $container);
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$this->createRoleHierarchy($config, $container);
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if ($config['encoders']) {
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$this->createEncoders($config['encoders'], $container);
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}
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// load ACL
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if (isset($config['acl'])) {
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$this->aclLoad($config['acl'], $container);
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}
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// add some required classes for compilation
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$this->addClassesToCompile(array(
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'Symfony\\Component\\Security\\Http\\Firewall',
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'Symfony\\Component\\Security\\Core\\SecurityContext',
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'Symfony\\Component\\Security\\Core\\User\\UserProviderInterface',
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'Symfony\\Component\\Security\\Core\\Authentication\\AuthenticationProviderManager',
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'Symfony\\Component\\Security\\Core\\Authorization\\AccessDecisionManager',
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'Symfony\\Component\\Security\\Core\\Authorization\\Voter\\VoterInterface',
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'Symfony\\Bundle\\SecurityBundle\\Security\\FirewallMap',
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'Symfony\\Bundle\\SecurityBundle\\Security\\FirewallContext',
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'Symfony\\Component\\HttpFoundation\\RequestMatcher',
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));
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}
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private function aclLoad($config, ContainerBuilder $container)
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{
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$loader = new XmlFileLoader($container, new FileLocator(__DIR__.'/../Resources/config'));
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$loader->load('security_acl.xml');
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if (isset($config['cache']['id'])) {
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$container->setAlias('security.acl.cache', $config['cache']['id']);
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}
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$container->getDefinition('security.acl.voter.basic_permissions')->addArgument($config['voter']['allow_if_object_identity_unavailable']);
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// custom ACL provider
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if (isset($config['provider'])) {
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$container->setAlias('security.acl.provider', $config['provider']);
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return;
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}
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$this->configureDbalAclProvider($config, $container, $loader);
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}
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private function configureDbalAclProvider(array $config, ContainerBuilder $container, $loader)
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{
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$loader->load('security_acl_dbal.xml');
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if (null !== $config['connection']) {
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$container->setAlias('security.acl.dbal.connection', sprintf('doctrine.dbal.%s_connection', $config['connection']));
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}
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$container
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->getDefinition('security.acl.dbal.schema_listener')
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->addTag('doctrine.event_listener', array(
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'connection' => $config['connection'],
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'event' => 'postGenerateSchema',
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'lazy' => true
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))
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;
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$container->getDefinition('security.acl.cache.doctrine')->addArgument($config['cache']['prefix']);
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$container->setParameter('security.acl.dbal.class_table_name', $config['tables']['class']);
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$container->setParameter('security.acl.dbal.entry_table_name', $config['tables']['entry']);
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$container->setParameter('security.acl.dbal.oid_table_name', $config['tables']['object_identity']);
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$container->setParameter('security.acl.dbal.oid_ancestors_table_name', $config['tables']['object_identity_ancestors']);
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$container->setParameter('security.acl.dbal.sid_table_name', $config['tables']['security_identity']);
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}
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/**
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* Loads the web configuration.
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*
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* @param array $config An array of configuration settings
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* @param ContainerBuilder $container A ContainerBuilder instance
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*/
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private function createRoleHierarchy($config, ContainerBuilder $container)
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{
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if (!isset($config['role_hierarchy'])) {
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$container->removeDefinition('security.access.role_hierarchy_voter');
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return;
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}
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$container->setParameter('security.role_hierarchy.roles', $config['role_hierarchy']);
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$container->removeDefinition('security.access.simple_role_voter');
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}
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private function createAuthorization($config, ContainerBuilder $container)
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{
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if (!$config['access_control']) {
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return;
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}
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$this->addClassesToCompile(array(
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'Symfony\\Component\\Security\\Http\\AccessMap',
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));
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foreach ($config['access_control'] as $access) {
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$matcher = $this->createRequestMatcher(
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$container,
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$access['path'],
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$access['host'],
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count($access['methods']) === 0 ? null : $access['methods'],
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$access['ip']
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);
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$container->getDefinition('security.access_map')
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->addMethodCall('add', array($matcher, $access['roles'], $access['requires_channel']));
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}
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}
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private function createFirewalls($config, ContainerBuilder $container)
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{
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if (!isset($config['firewalls'])) {
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return;
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}
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$firewalls = $config['firewalls'];
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$providerIds = $this->createUserProviders($config, $container);
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// make the ContextListener aware of the configured user providers
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$definition = $container->getDefinition('security.context_listener');
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$arguments = $definition->getArguments();
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$userProviders = array();
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foreach ($providerIds as $userProviderId) {
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$userProviders[] = new Reference($userProviderId);
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}
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$arguments[1] = $userProviders;
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$definition->setArguments($arguments);
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// load firewall map
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$mapDef = $container->getDefinition('security.firewall.map');
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$map = $authenticationProviders = array();
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foreach ($firewalls as $name => $firewall) {
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list($matcher, $listeners, $exceptionListener) = $this->createFirewall($container, $name, $firewall, $authenticationProviders, $providerIds);
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$contextId = 'security.firewall.map.context.'.$name;
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$context = $container->setDefinition($contextId, new DefinitionDecorator('security.firewall.context'));
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$context
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->replaceArgument(0, $listeners)
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->replaceArgument(1, $exceptionListener)
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;
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$map[$contextId] = $matcher;
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}
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$mapDef->replaceArgument(1, $map);
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// add authentication providers to authentication manager
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$authenticationProviders = array_map(function($id) {
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return new Reference($id);
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}, array_values(array_unique($authenticationProviders)));
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$container
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->getDefinition('security.authentication.manager')
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->replaceArgument(0, $authenticationProviders)
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;
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}
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private function createFirewall(ContainerBuilder $container, $id, $firewall, &$authenticationProviders, $providerIds)
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{
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// Matcher
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$i = 0;
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$matcher = null;
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if (isset($firewall['request_matcher'])) {
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$matcher = new Reference($firewall['request_matcher']);
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} elseif (isset($firewall['pattern'])) {
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$matcher = $this->createRequestMatcher($container, $firewall['pattern']);
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}
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// Security disabled?
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if (false === $firewall['security']) {
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return array($matcher, array(), null);
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}
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// Provider id (take the first registered provider if none defined)
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if (isset($firewall['provider'])) {
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$defaultProvider = $this->getUserProviderId($firewall['provider']);
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} else {
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$defaultProvider = reset($providerIds);
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}
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// Register listeners
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$listeners = array();
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// Channel listener
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$listeners[] = new Reference('security.channel_listener');
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// Context serializer listener
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if (false === $firewall['stateless']) {
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$contextKey = $id;
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if (isset($firewall['context'])) {
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$contextKey = $firewall['context'];
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}
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$listeners[] = new Reference($this->createContextListener($container, $contextKey));
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}
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// Logout listener
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if (isset($firewall['logout'])) {
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$listenerId = 'security.logout_listener.'.$id;
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$listener = $container->setDefinition($listenerId, new DefinitionDecorator('security.logout_listener'));
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$listener->replaceArgument(3, array(
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'csrf_parameter' => $firewall['logout']['csrf_parameter'],
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'intention' => $firewall['logout']['intention'],
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'logout_path' => $firewall['logout']['path'],
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));
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$listeners[] = new Reference($listenerId);
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// add logout success handler
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if (isset($firewall['logout']['success_handler'])) {
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$logoutSuccessHandlerId = $firewall['logout']['success_handler'];
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} else {
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$logoutSuccessHandlerId = 'security.logout.success_handler.'.$id;
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$logoutSuccessHandler = $container->setDefinition($logoutSuccessHandlerId, new DefinitionDecorator('security.logout.success_handler'));
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$logoutSuccessHandler->replaceArgument(1, $firewall['logout']['target']);
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}
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$listener->replaceArgument(2, new Reference($logoutSuccessHandlerId));
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// add CSRF provider
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if (isset($firewall['logout']['csrf_provider'])) {
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$listener->addArgument(new Reference($firewall['logout']['csrf_provider']));
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}
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// add session logout handler
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if (true === $firewall['logout']['invalidate_session'] && false === $firewall['stateless']) {
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$listener->addMethodCall('addHandler', array(new Reference('security.logout.handler.session')));
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}
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// add cookie logout handler
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if (count($firewall['logout']['delete_cookies']) > 0) {
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$cookieHandlerId = 'security.logout.handler.cookie_clearing.'.$id;
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$cookieHandler = $container->setDefinition($cookieHandlerId, new DefinitionDecorator('security.logout.handler.cookie_clearing'));
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$cookieHandler->addArgument($firewall['logout']['delete_cookies']);
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$listener->addMethodCall('addHandler', array(new Reference($cookieHandlerId)));
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}
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// add custom handlers
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foreach ($firewall['logout']['handlers'] as $handlerId) {
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$listener->addMethodCall('addHandler', array(new Reference($handlerId)));
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}
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// register with LogoutUrlHelper
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$container
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->getDefinition('templating.helper.logout_url')
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->addMethodCall('registerListener', array(
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$id,
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$firewall['logout']['path'],
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$firewall['logout']['intention'],
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$firewall['logout']['csrf_parameter'],
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isset($firewall['logout']['csrf_provider']) ? new Reference($firewall['logout']['csrf_provider']) : null,
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))
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;
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}
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// Authentication listeners
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list($authListeners, $defaultEntryPoint) = $this->createAuthenticationListeners($container, $id, $firewall, $authenticationProviders, $defaultProvider);
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$listeners = array_merge($listeners, $authListeners);
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// Access listener
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$listeners[] = new Reference('security.access_listener');
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// Switch user listener
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if (isset($firewall['switch_user'])) {
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$listeners[] = new Reference($this->createSwitchUserListener($container, $id, $firewall['switch_user'], $defaultProvider));
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}
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// Determine default entry point
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if (isset($firewall['entry_point'])) {
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$defaultEntryPoint = $firewall['entry_point'];
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}
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// Exception listener
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$exceptionListener = new Reference($this->createExceptionListener($container, $firewall, $id, $defaultEntryPoint));
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return array($matcher, $listeners, $exceptionListener);
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}
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private function createContextListener($container, $contextKey)
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{
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if (isset($this->contextListeners[$contextKey])) {
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return $this->contextListeners[$contextKey];
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}
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$listenerId = 'security.context_listener.'.count($this->contextListeners);
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$listener = $container->setDefinition($listenerId, new DefinitionDecorator('security.context_listener'));
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$listener->replaceArgument(2, $contextKey);
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return $this->contextListeners[$contextKey] = $listenerId;
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}
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private function createAuthenticationListeners($container, $id, $firewall, &$authenticationProviders, $defaultProvider)
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{
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$listeners = array();
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$hasListeners = false;
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$defaultEntryPoint = null;
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foreach ($this->listenerPositions as $position) {
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foreach ($this->factories[$position] as $factory) {
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$key = str_replace('-', '_', $factory->getKey());
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if (isset($firewall[$key])) {
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$userProvider = isset($firewall[$key]['provider']) ? $this->getUserProviderId($firewall[$key]['provider']) : $defaultProvider;
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list($provider, $listenerId, $defaultEntryPoint) = $factory->create($container, $id, $firewall[$key], $userProvider, $defaultEntryPoint);
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$listeners[] = new Reference($listenerId);
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$authenticationProviders[] = $provider;
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$hasListeners = true;
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}
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}
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}
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// Anonymous
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if (isset($firewall['anonymous'])) {
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$listenerId = 'security.authentication.listener.anonymous.'.$id;
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$container
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->setDefinition($listenerId, new DefinitionDecorator('security.authentication.listener.anonymous'))
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->replaceArgument(1, $firewall['anonymous']['key'])
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;
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$listeners[] = new Reference($listenerId);
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$providerId = 'security.authentication.provider.anonymous.'.$id;
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$container
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->setDefinition($providerId, new DefinitionDecorator('security.authentication.provider.anonymous'))
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->replaceArgument(0, $firewall['anonymous']['key'])
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;
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$authenticationProviders[] = $providerId;
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$hasListeners = true;
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}
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if (false === $hasListeners) {
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throw new \LogicException(sprintf('No authentication listener registered for firewall "%s".', $id));
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}
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return array($listeners, $defaultEntryPoint);
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}
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private function createEncoders($encoders, ContainerBuilder $container)
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{
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$encoderMap = array();
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foreach ($encoders as $class => $encoder) {
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$encoderMap[$class] = $this->createEncoder($encoder, $container);
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}
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$container
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->getDefinition('security.encoder_factory.generic')
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->setArguments(array($encoderMap))
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;
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}
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private function createEncoder($config, ContainerBuilder $container)
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{
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// a custom encoder service
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if (isset($config['id'])) {
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return new Reference($config['id']);
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}
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// plaintext encoder
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if ('plaintext' === $config['algorithm']) {
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$arguments = array($config['ignore_case']);
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return array(
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'class' => new Parameter('security.encoder.plain.class'),
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'arguments' => $arguments,
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);
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}
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// message digest encoder
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$arguments = array(
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$config['algorithm'],
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$config['encode_as_base64'],
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$config['iterations'],
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);
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return array(
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'class' => new Parameter('security.encoder.digest.class'),
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'arguments' => $arguments,
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);
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}
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// Parses user providers and returns an array of their ids
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private function createUserProviders($config, ContainerBuilder $container)
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{
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$providerIds = array();
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foreach ($config['providers'] as $name => $provider) {
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$id = $this->createUserDaoProvider($name, $provider, $container);
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$providerIds[] = $id;
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}
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return $providerIds;
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}
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// Parses a <provider> tag and returns the id for the related user provider service
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private function createUserDaoProvider($name, $provider, ContainerBuilder $container, $master = true)
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{
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$name = $this->getUserProviderId(strtolower($name));
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foreach ($this->userProviderFactories as $factory) {
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$key = str_replace('-', '_', $factory->getKey());
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if (!empty($provider[$key])) {
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$factory->create($container, $name, $provider[$key]);
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return $name;
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}
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}
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// Existing DAO service provider
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if (isset($provider['id'])) {
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$container->setAlias($name, new Alias($provider['id'], false));
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return $provider['id'];
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}
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// Chain provider
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if (isset($provider['chain'])) {
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$providers = array();
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foreach ($provider['chain']['providers'] as $providerName) {
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$providers[] = new Reference($this->getUserProviderId(strtolower($providerName)));
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}
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$container
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->setDefinition($name, new DefinitionDecorator('security.user.provider.chain'))
|
|
->addArgument($providers)
|
|
;
|
|
|
|
return $name;
|
|
}
|
|
|
|
// Doctrine Entity DAO provider
|
|
if (isset($provider['entity'])) {
|
|
$container
|
|
->setDefinition($name, new DefinitionDecorator('security.user.provider.entity'))
|
|
->addArgument($provider['entity']['class'])
|
|
->addArgument($provider['entity']['property'])
|
|
;
|
|
|
|
return $name;
|
|
}
|
|
|
|
// In-memory DAO provider
|
|
$definition = $container->setDefinition($name, new DefinitionDecorator('security.user.provider.in_memory'));
|
|
foreach ($provider['users'] as $username => $user) {
|
|
$userId = $name.'_'.$username;
|
|
|
|
$container
|
|
->setDefinition($userId, new DefinitionDecorator('security.user.provider.in_memory.user'))
|
|
->setArguments(array($username, (string) $user['password'], $user['roles']))
|
|
;
|
|
|
|
$definition->addMethodCall('createUser', array(new Reference($userId)));
|
|
}
|
|
|
|
return $name;
|
|
}
|
|
|
|
private function getUserProviderId($name)
|
|
{
|
|
return 'security.user.provider.concrete.'.$name;
|
|
}
|
|
|
|
private function createExceptionListener($container, $config, $id, $defaultEntryPoint)
|
|
{
|
|
$exceptionListenerId = 'security.exception_listener.'.$id;
|
|
$listener = $container->setDefinition($exceptionListenerId, new DefinitionDecorator('security.exception_listener'));
|
|
$listener->replaceArgument(3, $id);
|
|
$listener->replaceArgument(4, null === $defaultEntryPoint ? null : new Reference($defaultEntryPoint));
|
|
|
|
// access denied handler setup
|
|
if (isset($config['access_denied_handler'])) {
|
|
$listener->replaceArgument(6, new Reference($config['access_denied_handler']));
|
|
} elseif (isset($config['access_denied_url'])) {
|
|
$listener->replaceArgument(5, $config['access_denied_url']);
|
|
}
|
|
|
|
return $exceptionListenerId;
|
|
}
|
|
|
|
private function createSwitchUserListener($container, $id, $config, $defaultProvider)
|
|
{
|
|
$userProvider = isset($config['provider']) ? $this->getUserProviderId($config['provider']) : $defaultProvider;
|
|
|
|
$switchUserListenerId = 'security.authentication.switchuser_listener.'.$id;
|
|
$listener = $container->setDefinition($switchUserListenerId, new DefinitionDecorator('security.authentication.switchuser_listener'));
|
|
$listener->replaceArgument(1, new Reference($userProvider));
|
|
$listener->replaceArgument(3, $id);
|
|
$listener->replaceArgument(6, $config['parameter']);
|
|
$listener->replaceArgument(7, $config['role']);
|
|
|
|
return $switchUserListenerId;
|
|
}
|
|
|
|
private function createRequestMatcher($container, $path = null, $host = null, $methods = null, $ip = null, array $attributes = array())
|
|
{
|
|
$serialized = serialize(array($path, $host, $methods, $ip, $attributes));
|
|
$id = 'security.request_matcher.'.md5($serialized).sha1($serialized);
|
|
|
|
if (isset($this->requestMatchers[$id])) {
|
|
return $this->requestMatchers[$id];
|
|
}
|
|
|
|
// only add arguments that are necessary
|
|
$arguments = array($path, $host, $methods, $ip, $attributes);
|
|
while (count($arguments) > 0 && !end($arguments)) {
|
|
array_pop($arguments);
|
|
}
|
|
|
|
$container
|
|
->register($id, '%security.matcher.class%')
|
|
->setPublic(false)
|
|
->setArguments($arguments)
|
|
;
|
|
|
|
return $this->requestMatchers[$id] = new Reference($id);
|
|
}
|
|
|
|
public function addSecurityListenerFactory(SecurityFactoryInterface $factory)
|
|
{
|
|
$this->factories[$factory->getPosition()][] = $factory;
|
|
}
|
|
|
|
public function addUserProviderFactory(UserProviderFactoryInterface $factory)
|
|
{
|
|
$this->userProviderFactories[] = $factory;
|
|
}
|
|
|
|
/**
|
|
* Returns the base path for the XSD files.
|
|
*
|
|
* @return string The XSD base path
|
|
*/
|
|
public function getXsdValidationBasePath()
|
|
{
|
|
return __DIR__.'/../Resources/config/schema';
|
|
}
|
|
|
|
public function getNamespace()
|
|
{
|
|
return 'http://symfony.com/schema/dic/security';
|
|
}
|
|
|
|
public function getConfiguration(array $config, ContainerBuilder $container)
|
|
{
|
|
// first assemble the factories
|
|
return new MainConfiguration($this->factories, $this->userProviderFactories);
|
|
}
|
|
}
|