001    /**
002     * Copyright (c) 2000-2012 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.asset.model.AssetEntry;
025    import com.liferay.portlet.asset.service.AssetEntryLocalServiceUtil;
026    import com.liferay.portlet.blogs.model.BlogsEntry;
027    import com.liferay.portlet.blogs.service.BlogsEntryLocalServiceUtil;
028    import com.liferay.portlet.blogs.service.permission.BlogsPermission;
029    import com.liferay.portlet.journal.model.JournalArticle;
030    import com.liferay.portlet.journal.service.JournalArticleLocalServiceUtil;
031    import com.liferay.portlet.journal.service.permission.JournalPermission;
032    import com.liferay.portlet.messageboards.model.MBCategory;
033    import com.liferay.portlet.messageboards.model.MBThread;
034    import com.liferay.portlet.messageboards.service.MBThreadLocalServiceUtil;
035    import com.liferay.portlet.messageboards.service.permission.MBCategoryPermission;
036    import com.liferay.portlet.messageboards.service.permission.MBMessagePermission;
037    import com.liferay.portlet.messageboards.service.permission.MBPermission;
038    import com.liferay.portlet.wiki.model.WikiNode;
039    import com.liferay.portlet.wiki.model.WikiPage;
040    import com.liferay.portlet.wiki.service.permission.WikiNodePermission;
041    import com.liferay.portlet.wiki.service.permission.WikiPagePermission;
042    
043    /**
044     * @author Mate Thurzo
045     */
046    public class SubscriptionPermissionImpl implements SubscriptionPermission {
047    
048            public void check(
049                            PermissionChecker permissionChecker, String className, long classPK)
050                    throws PortalException, SystemException {
051    
052                    if (!contains(permissionChecker, className, classPK)) {
053                            throw new PrincipalException();
054                    }
055            }
056    
057            public boolean contains(
058                            PermissionChecker permissionChecker, String className, long classPK)
059                    throws PortalException, SystemException {
060    
061                    if (className == null) {
062                            return false;
063                    }
064    
065                    if (className.equals(BlogsEntry.class.getName())) {
066                            AssetEntry assetEntry = AssetEntryLocalServiceUtil.fetchEntry(
067                                    className, classPK);
068    
069                            if (assetEntry == null) {
070                                    return false;
071                            }
072    
073                            long groupId = classPK;
074    
075                            String classPKString = String.valueOf(classPK);
076    
077                            if (!classPKString.equals(assetEntry.getTitle())) {
078                                    BlogsEntry blogsEntry =
079                                            BlogsEntryLocalServiceUtil.getBlogsEntry(classPK);
080    
081                                    groupId = blogsEntry.getGroupId();
082                            }
083    
084                            return BlogsPermission.contains(
085                                    permissionChecker, groupId, ActionKeys.SUBSCRIBE);
086                    }
087                    else if (className.equals(JournalArticle.class.getName())) {
088                            long groupId = classPK;
089    
090                            Group group = GroupLocalServiceUtil.fetchGroup(groupId);
091    
092                            if (group == null) {
093                                    JournalArticle journalArticle =
094                                            JournalArticleLocalServiceUtil.getLatestArticle(classPK);
095    
096                                    groupId = journalArticle.getGroupId();
097                            }
098    
099                            return JournalPermission.contains(
100                                    permissionChecker, groupId, ActionKeys.SUBSCRIBE);
101                    }
102                    else if (className.equals(MBCategory.class.getName())) {
103                            Group group = GroupLocalServiceUtil.fetchGroup(classPK);
104    
105                            if (group == null) {
106                                    return MBCategoryPermission.contains(
107                                            permissionChecker, classPK, ActionKeys.SUBSCRIBE);
108                            }
109                            else {
110                                    return MBPermission.contains(
111                                            permissionChecker, classPK, ActionKeys.SUBSCRIBE);
112                            }
113                    }
114                    else if (className.equals(MBThread.class.getName())) {
115                            MBThread mbThread = MBThreadLocalServiceUtil.fetchThread(classPK);
116    
117                            return MBMessagePermission.contains(
118                                    permissionChecker, mbThread.getRootMessageId(),
119                                    ActionKeys.SUBSCRIBE);
120                    }
121                    else if (className.equals(WikiNode.class.getName())) {
122                            return WikiNodePermission.contains(
123                                    permissionChecker, classPK, ActionKeys.SUBSCRIBE);
124                    }
125                    else if (className.equals(WikiPage.class.getName())) {
126                            return WikiPagePermission.contains(
127                                    permissionChecker, classPK, ActionKeys.SUBSCRIBE);
128                    }
129    
130                    return true;
131            }
132    
133    }