001    /**
002     * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
003     *
004     * This library is free software; you can redistribute it and/or modify it under
005     * the terms of the GNU Lesser General Public License as published by the Free
006     * Software Foundation; either version 2.1 of the License, or (at your option)
007     * any later version.
008     *
009     * This library is distributed in the hope that it will be useful, but WITHOUT
010     * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
011     * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
012     * details.
013     */
014    
015    package com.liferay.portal.struts;
016    
017    import com.liferay.portal.kernel.concurrent.ConcurrentHashSet;
018    import com.liferay.registry.Registry;
019    import com.liferay.registry.RegistryUtil;
020    import com.liferay.registry.ServiceReference;
021    import com.liferay.registry.ServiceRegistration;
022    import com.liferay.registry.ServiceTracker;
023    import com.liferay.registry.ServiceTrackerCustomizer;
024    import com.liferay.registry.collections.StringServiceRegistrationMap;
025    import com.liferay.registry.collections.StringServiceRegistrationMapImpl;
026    import com.liferay.registry.util.StringPlus;
027    
028    import java.util.HashMap;
029    import java.util.List;
030    import java.util.Map;
031    import java.util.Set;
032    
033    /**
034     * @author Mika Koivisto
035     * @author Raymond Aug??
036     */
037    public class AuthPublicPathRegistry {
038    
039            public static boolean contains(String path) {
040                    return _instance._contains(path);
041            }
042    
043            public static void register(String... paths) {
044                    _instance._register(paths);
045            }
046    
047            public static void unregister(String... paths) {
048                    _instance._unregister(paths);
049            }
050    
051            private AuthPublicPathRegistry() {
052                    Registry registry = RegistryUtil.getRegistry();
053    
054                    _serviceTracker = registry.trackServices(
055                            registry.getFilter(
056                                    "(&(auth.public.path=*)(objectClass=java.lang.Object))"),
057                            new AuthPublicTrackerCustomizer());
058    
059                    _serviceTracker.open();
060            }
061    
062            private boolean _contains(String path) {
063                    return _paths.contains(path);
064            }
065    
066            private void _register(String... paths) {
067                    Registry registry = RegistryUtil.getRegistry();
068    
069                    for (String path : paths) {
070                            Map<String, Object> properties = new HashMap<>();
071    
072                            properties.put("auth.public.path", path);
073                            properties.put("objectClass", Object.class.getName());
074    
075                            ServiceRegistration<Object> serviceRegistration =
076                                    registry.registerService(
077                                            Object.class, new Object(), properties);
078    
079                            _serviceRegistrations.put(path, serviceRegistration);
080                    }
081            }
082    
083            private void _unregister(String... paths) {
084                    for (String path : paths) {
085                            ServiceRegistration<Object> serviceRegistration =
086                                    _serviceRegistrations.remove(path);
087    
088                            if (serviceRegistration != null) {
089                                    serviceRegistration.unregister();
090                            }
091                    }
092            }
093    
094            private static final AuthPublicPathRegistry _instance =
095                    new AuthPublicPathRegistry();
096    
097            private final Set<String> _paths = new ConcurrentHashSet<>();
098            private final StringServiceRegistrationMap<Object>
099                    _serviceRegistrations = new StringServiceRegistrationMapImpl<>();
100            private final ServiceTracker<Object, Object> _serviceTracker;
101    
102            private class AuthPublicTrackerCustomizer
103                    implements ServiceTrackerCustomizer<Object, Object> {
104    
105                    @Override
106                    public Object addingService(ServiceReference<Object> serviceReference) {
107                            List<String> paths = StringPlus.asList(
108                                    serviceReference.getProperty("auth.public.path"));
109    
110                            for (String path : paths) {
111                                    _paths.add(path);
112                            }
113    
114                            Registry registry = RegistryUtil.getRegistry();
115    
116                            return registry.getService(serviceReference);
117                    }
118    
119                    @Override
120                    public void modifiedService(
121                            ServiceReference<Object> serviceReference, Object object) {
122                    }
123    
124                    @Override
125                    public void removedService(
126                            ServiceReference<Object> serviceReference, Object object) {
127    
128                            List<String> paths = StringPlus.asList(
129                                    serviceReference.getProperty("auth.public.path"));
130    
131                            for (String path : paths) {
132                                    _paths.remove(path);
133                            }
134                    }
135    
136            }
137    
138    }