001    /**
002     * Copyright (c) 2000-2013 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.NoSuchDiscussionException;
029    import com.liferay.portlet.messageboards.model.MBCategory;
030    import com.liferay.portlet.messageboards.model.MBThread;
031    import com.liferay.portlet.messageboards.service.MBDiscussionLocalServiceUtil;
032    import com.liferay.portlet.messageboards.service.MBThreadLocalServiceUtil;
033    import com.liferay.portlet.messageboards.service.permission.MBCategoryPermission;
034    import com.liferay.portlet.messageboards.service.permission.MBMessagePermission;
035    import com.liferay.portlet.messageboards.service.permission.MBPermission;
036    import com.liferay.portlet.wiki.model.WikiNode;
037    import com.liferay.portlet.wiki.model.WikiPage;
038    import com.liferay.portlet.wiki.service.permission.WikiNodePermission;
039    import com.liferay.portlet.wiki.service.permission.WikiPagePermission;
040    
041    /**
042     * @author Mate Thurzo
043     */
044    public class SubscriptionPermissionImpl implements SubscriptionPermission {
045    
046            public void check(
047                            PermissionChecker permissionChecker, String className, long classPK)
048                    throws PortalException, SystemException {
049    
050                    if (!contains(permissionChecker, className, classPK)) {
051                            throw new PrincipalException();
052                    }
053            }
054    
055            public boolean contains(
056                            PermissionChecker permissionChecker, String className, long classPK)
057                    throws PortalException, SystemException {
058    
059                    if (className == null) {
060                            return false;
061                    }
062    
063                    try {
064                            MBDiscussionLocalServiceUtil.getDiscussion(className, classPK);
065    
066                            return true;
067                    }
068                    catch (NoSuchDiscussionException nsde) {
069                    }
070    
071                    if (className.equals(BlogsEntry.class.getName())) {
072                            return BlogsPermission.contains(
073                                    permissionChecker, classPK, ActionKeys.SUBSCRIBE);
074                    }
075                    else if (className.equals(JournalArticle.class.getName())) {
076                            return JournalPermission.contains(
077                                    permissionChecker, classPK, ActionKeys.SUBSCRIBE);
078                    }
079                    else if (className.equals(MBCategory.class.getName())) {
080                            Group group = GroupLocalServiceUtil.fetchGroup(classPK);
081    
082                            if (group == null) {
083                                    return MBCategoryPermission.contains(
084                                            permissionChecker, classPK, ActionKeys.SUBSCRIBE);
085                            }
086    
087                            return MBPermission.contains(
088                                    permissionChecker, classPK, ActionKeys.SUBSCRIBE);
089                    }
090                    else if (className.equals(MBThread.class.getName())) {
091                            MBThread mbThread = MBThreadLocalServiceUtil.fetchThread(classPK);
092    
093                            if (mbThread == null) {
094                                    return false;
095                            }
096    
097                            return MBMessagePermission.contains(
098                                    permissionChecker, mbThread.getRootMessageId(),
099                                    ActionKeys.SUBSCRIBE);
100                    }
101                    else if (className.equals(WikiNode.class.getName())) {
102                            return WikiNodePermission.contains(
103                                    permissionChecker, classPK, ActionKeys.SUBSCRIBE);
104                    }
105                    else if (className.equals(WikiPage.class.getName())) {
106                            return WikiPagePermission.contains(
107                                    permissionChecker, classPK, ActionKeys.SUBSCRIBE);
108                    }
109    
110                    return true;
111            }
112    
113    }