001    /**
002     * Copyright (c) 2000-2011 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.service.permission;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portal.model.Group;
020    import com.liferay.portal.security.auth.PrincipalException;
021    import com.liferay.portal.security.permission.ActionKeys;
022    import com.liferay.portal.security.permission.PermissionChecker;
023    import com.liferay.portal.service.GroupLocalServiceUtil;
024    import com.liferay.portlet.blogs.model.BlogsEntry;
025    import com.liferay.portlet.blogs.service.permission.BlogsPermission;
026    import com.liferay.portlet.journal.model.JournalArticle;
027    import com.liferay.portlet.journal.service.permission.JournalPermission;
028    import com.liferay.portlet.messageboards.model.MBCategory;
029    import com.liferay.portlet.messageboards.model.MBThread;
030    import com.liferay.portlet.messageboards.service.MBThreadLocalServiceUtil;
031    import com.liferay.portlet.messageboards.service.permission.MBCategoryPermission;
032    import com.liferay.portlet.messageboards.service.permission.MBMessagePermission;
033    import com.liferay.portlet.messageboards.service.permission.MBPermission;
034    import com.liferay.portlet.wiki.model.WikiNode;
035    import com.liferay.portlet.wiki.model.WikiPage;
036    import com.liferay.portlet.wiki.service.permission.WikiNodePermission;
037    import com.liferay.portlet.wiki.service.permission.WikiPagePermission;
038    
039    /**
040     * @author Mate Thurzo
041     */
042    public class SubscriptionPermissionImpl implements SubscriptionPermission {
043    
044            public void check(
045                            PermissionChecker permissionChecker, String className, long classPK)
046                    throws PortalException, SystemException {
047    
048                    if (!contains(permissionChecker, className, classPK)) {
049                            throw new PrincipalException();
050                    }
051            }
052    
053            public boolean contains(
054                            PermissionChecker permissionChecker, String className, long classPK)
055                    throws PortalException, SystemException {
056    
057                    if (className == null) {
058                            return false;
059                    }
060    
061                    if (className.equals(BlogsEntry.class.getName())) {
062                            return BlogsPermission.contains(
063                                    permissionChecker, classPK, ActionKeys.SUBSCRIBE);
064                    }
065                    else if (className.equals(JournalArticle.class.getName())) {
066                            return JournalPermission.contains(
067                                    permissionChecker, classPK, ActionKeys.SUBSCRIBE);
068                    }
069                    else if (className.equals(MBCategory.class.getName())) {
070                            Group group = GroupLocalServiceUtil.fetchGroup(classPK);
071    
072                            if (group == null) {
073                                    return MBCategoryPermission.contains(
074                                            permissionChecker, classPK, ActionKeys.SUBSCRIBE);
075                            }
076                            else {
077                                    return MBPermission.contains(
078                                            permissionChecker, classPK, ActionKeys.SUBSCRIBE);
079                            }
080                    }
081                    else if (className.equals(MBThread.class.getName())) {
082                            MBThread thread = MBThreadLocalServiceUtil.fetchThread(classPK);
083    
084                            return MBMessagePermission.contains(
085                                    permissionChecker, thread.getRootMessageId(),
086                                    ActionKeys.SUBSCRIBE);
087                    }
088                    else if (className.equals(WikiNode.class.getName())) {
089                            return WikiNodePermission.contains(
090                                    permissionChecker, classPK, ActionKeys.SUBSCRIBE);
091                    }
092                    else if (className.equals(WikiPage.class.getName())) {
093                            return WikiPagePermission.contains(
094                                    permissionChecker, classPK, ActionKeys.SUBSCRIBE);
095                    }
096    
097                    return true;
098            }
099    
100    }