com.liferay.message.boards.internal.service.permission.MBMessagePermission.java Source code

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Here is the source code for com.liferay.message.boards.internal.service.permission.MBMessagePermission.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.message.boards.internal.service.permission;

import com.liferay.exportimport.kernel.staging.permission.StagingPermission;
import com.liferay.message.boards.kernel.exception.NoSuchCategoryException;
import com.liferay.message.boards.kernel.model.MBCategory;
import com.liferay.message.boards.kernel.model.MBCategoryConstants;
import com.liferay.message.boards.kernel.model.MBMessage;
import com.liferay.message.boards.kernel.model.MBThread;
import com.liferay.message.boards.kernel.service.MBCategoryLocalService;
import com.liferay.message.boards.kernel.service.MBMessageLocalService;
import com.liferay.message.boards.kernel.service.MBThreadLocalService;
import com.liferay.message.boards.service.MBBanLocalService;
import com.liferay.portal.kernel.exception.PortalException;
import com.liferay.portal.kernel.portlet.PortletProvider;
import com.liferay.portal.kernel.portlet.PortletProviderUtil;
import com.liferay.portal.kernel.security.auth.PrincipalException;
import com.liferay.portal.kernel.security.permission.ActionKeys;
import com.liferay.portal.kernel.security.permission.BaseModelPermissionChecker;
import com.liferay.portal.kernel.security.permission.PermissionChecker;
import com.liferay.portal.kernel.workflow.permission.WorkflowPermissionUtil;
import com.liferay.portal.util.PropsValues;
import com.liferay.portlet.messageboards.service.permission.MBCategoryPermission;
import com.liferay.portlet.messageboards.service.permission.MBPermission;

import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;

/**
 * @author Brian Wing Shun Chan
 * @author Adolfo Prez
 */
@Component(immediate = true, property = {
        "model.class.name=com.liferay.message.boards.kernel.model.MBMessage" }, service = BaseModelPermissionChecker.class)
public class MBMessagePermission implements BaseModelPermissionChecker {

    @Override
    public void checkBaseModel(PermissionChecker permissionChecker, long groupId, long messageId, String actionId)
            throws PortalException {

        MBMessage message = _getMBMessage(messageId);

        if (!_contains(permissionChecker, message, actionId)) {
            throw new PrincipalException.MustHavePermission(permissionChecker, MBMessage.class.getName(), messageId,
                    actionId);
        }
    }

    private boolean _contains(PermissionChecker permissionChecker, MBMessage message, String actionId)
            throws PortalException {

        if (_mbBanLocalService.hasBan(message.getGroupId(), permissionChecker.getUserId())) {

            return false;
        }

        String portletId = PortletProviderUtil.getPortletId(MBMessage.class.getName(), PortletProvider.Action.EDIT);

        Boolean hasPermission = _stagingPermission.hasPermission(permissionChecker, message.getGroupId(),
                MBMessage.class.getName(), message.getMessageId(), portletId, actionId);

        if (hasPermission != null) {
            return hasPermission.booleanValue();
        }

        if (message.isDraft() || message.isScheduled()) {
            if (actionId.equals(ActionKeys.VIEW) && !_contains(permissionChecker, message, ActionKeys.UPDATE)) {

                return false;
            }
        } else if (message.isPending()) {
            hasPermission = WorkflowPermissionUtil.hasPermission(permissionChecker, message.getGroupId(),
                    message.getWorkflowClassName(), message.getMessageId(), actionId);

            if (hasPermission != null) {
                return hasPermission.booleanValue();
            }
        }

        if (actionId.equals(ActionKeys.VIEW) && PropsValues.PERMISSIONS_VIEW_DYNAMIC_INHERITANCE) {

            long categoryId = message.getCategoryId();

            if ((categoryId == MBCategoryConstants.DEFAULT_PARENT_CATEGORY_ID)
                    || (categoryId == MBCategoryConstants.DISCUSSION_CATEGORY_ID)) {

                if (!MBPermission.contains(permissionChecker, message.getGroupId(), actionId)) {

                    return false;
                }
            } else {
                try {
                    MBCategory category = _mbCategoryLocalService.getCategory(categoryId);

                    if (!MBCategoryPermission.contains(permissionChecker, category, actionId)) {

                        return false;
                    }
                } catch (NoSuchCategoryException nsce) {
                    if (!message.isInTrash()) {
                        throw nsce;
                    }
                }
            }
        }

        if (permissionChecker.hasOwnerPermission(message.getCompanyId(), MBMessage.class.getName(),
                message.getRootMessageId(), message.getUserId(), actionId)) {

            return true;
        }

        if (!permissionChecker.hasPermission(message.getGroupId(), MBMessage.class.getName(),
                message.getMessageId(), actionId)) {

            return false;
        }

        if (message.isRoot() || !actionId.equals(ActionKeys.VIEW)) {
            return true;
        }

        return _contains(permissionChecker, _mbMessageLocalService.getMessage(message.getParentMessageId()),
                actionId);
    }

    private MBMessage _getMBMessage(long classPK) throws PortalException {
        MBThread mbThread = _mbThreadLocalService.fetchThread(classPK);

        if (mbThread == null) {
            return _mbMessageLocalService.getMessage(classPK);
        }

        return _mbMessageLocalService.getMessage(mbThread.getRootMessageId());
    }

    @Reference
    private MBBanLocalService _mbBanLocalService;

    @Reference
    private MBCategoryLocalService _mbCategoryLocalService;

    @Reference
    private MBMessageLocalService _mbMessageLocalService;

    @Reference
    private MBThreadLocalService _mbThreadLocalService;

    @Reference
    private StagingPermission _stagingPermission;

}