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.portlet.messageboards.service.permission;
016    
017    import com.liferay.portal.kernel.exception.PortalException;
018    import com.liferay.portal.kernel.exception.SystemException;
019    import com.liferay.portal.security.auth.PrincipalException;
020    import com.liferay.portal.security.permission.ActionKeys;
021    import com.liferay.portal.security.permission.PermissionChecker;
022    import com.liferay.portal.util.PropsValues;
023    import com.liferay.portlet.messageboards.NoSuchCategoryException;
024    import com.liferay.portlet.messageboards.model.MBCategory;
025    import com.liferay.portlet.messageboards.model.MBCategoryConstants;
026    import com.liferay.portlet.messageboards.service.MBBanLocalServiceUtil;
027    import com.liferay.portlet.messageboards.service.MBCategoryLocalServiceUtil;
028    
029    /**
030     * @author Brian Wing Shun Chan
031     * @author Mate Thurzo
032     */
033    public class MBCategoryPermission {
034    
035            public static void check(
036                            PermissionChecker permissionChecker, long groupId, long categoryId,
037                            String actionId)
038                    throws PortalException, SystemException {
039    
040                    if (!contains(permissionChecker, groupId, categoryId, actionId)) {
041                            throw new PrincipalException();
042                    }
043            }
044    
045            public static void check(
046                            PermissionChecker permissionChecker, long categoryId,
047                            String actionId)
048                    throws PortalException, SystemException {
049    
050                    if (!contains(permissionChecker, categoryId, actionId)) {
051                            throw new PrincipalException();
052                    }
053            }
054    
055            public static void check(
056                            PermissionChecker permissionChecker, MBCategory category,
057                            String actionId)
058                    throws PortalException, SystemException {
059    
060                    if (!contains(permissionChecker, category, actionId)) {
061                            throw new PrincipalException();
062                    }
063            }
064    
065            public static boolean contains(
066                            PermissionChecker permissionChecker, long groupId, long categoryId,
067                            String actionId)
068                    throws PortalException, SystemException {
069    
070                    if ((categoryId == MBCategoryConstants.DEFAULT_PARENT_CATEGORY_ID) ||
071                            (categoryId == MBCategoryConstants.DISCUSSION_CATEGORY_ID)) {
072    
073                            return MBPermission.contains(permissionChecker, groupId, actionId);
074                    }
075    
076                    MBCategory category = MBCategoryLocalServiceUtil.getCategory(
077                            categoryId);
078    
079                    return contains(permissionChecker, category, actionId);
080            }
081    
082            public static boolean contains(
083                            PermissionChecker permissionChecker, long categoryId,
084                            String actionId)
085                    throws PortalException, SystemException {
086    
087                    MBCategory category = MBCategoryLocalServiceUtil.getCategory(
088                            categoryId);
089    
090                    return contains(permissionChecker, category, actionId);
091            }
092    
093            public static boolean contains(
094                            PermissionChecker permissionChecker, MBCategory category,
095                            String actionId)
096                    throws PortalException, SystemException {
097    
098                    if (actionId.equals(ActionKeys.ADD_CATEGORY)) {
099                            actionId = ActionKeys.ADD_SUBCATEGORY;
100                    }
101    
102                    if (MBBanLocalServiceUtil.hasBan(
103                                    category.getGroupId(), permissionChecker.getUserId())) {
104    
105                            return false;
106                    }
107    
108                    if (actionId.equals(ActionKeys.VIEW) &&
109                            PropsValues.PERMISSIONS_VIEW_DYNAMIC_INHERITANCE) {
110    
111                            try {
112                                    long categoryId = category.getCategoryId();
113    
114                                    while (categoryId !=
115                                                            MBCategoryConstants.DEFAULT_PARENT_CATEGORY_ID) {
116    
117                                            category = MBCategoryLocalServiceUtil.getCategory(
118                                                    categoryId);
119    
120                                            if (!_hasPermission(
121                                                            permissionChecker, category, actionId)) {
122    
123                                                    return false;
124                                            }
125    
126                                            categoryId = category.getParentCategoryId();
127                                    }
128                            }
129                            catch (NoSuchCategoryException nsce) {
130                                    if (!category.isInTrash()) {
131                                            throw nsce;
132                                    }
133                            }
134    
135                            return true;
136                    }
137    
138                    return _hasPermission(permissionChecker, category, actionId);
139            }
140    
141            private static boolean _hasPermission(
142                    PermissionChecker permissionChecker, MBCategory category,
143                    String actionId) {
144    
145                    if (permissionChecker.hasOwnerPermission(
146                                    category.getCompanyId(), MBCategory.class.getName(),
147                                    category.getCategoryId(), category.getUserId(), actionId) ||
148                            permissionChecker.hasPermission(
149                                    category.getGroupId(), MBCategory.class.getName(),
150                                    category.getCategoryId(), actionId)) {
151    
152                            return true;
153                    }
154    
155                    return false;
156            }
157    
158    }