turbinegroupmanagement.java

来自「jetspeed源代码」· Java 代码 · 共 584 行 · 第 1/2 页

/*
 * Copyright 2000-2001,2004 The Apache Software Foundation.
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.jetspeed.services.security.turbine;

import java.sql.Connection;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;

import javax.servlet.ServletConfig;

import org.apache.jetspeed.om.profile.Profile;
import org.apache.jetspeed.om.profile.ProfileException;
import org.apache.jetspeed.om.security.Group;
import org.apache.jetspeed.om.security.JetspeedUser;
import org.apache.jetspeed.om.security.Role;
import org.apache.jetspeed.om.security.UserNamePrincipal;
import org.apache.jetspeed.om.security.turbine.TurbineGroup;
import org.apache.jetspeed.om.security.turbine.TurbineGroupPeer;
import org.apache.jetspeed.om.security.turbine.TurbineUserGroupRole;
import org.apache.jetspeed.om.security.turbine.TurbineUserGroupRolePeer;
import org.apache.jetspeed.services.JetspeedSecurity;
import org.apache.jetspeed.services.Profiler;
import org.apache.jetspeed.services.PsmlManager;
import org.apache.jetspeed.services.rundata.JetspeedRunData;
import org.apache.jetspeed.services.rundata.JetspeedRunDataService;
import org.apache.jetspeed.services.security.GroupException;
import org.apache.jetspeed.services.security.GroupManagement;
import org.apache.jetspeed.services.security.JetspeedSecurityException;
import org.apache.jetspeed.services.security.JetspeedSecurityService;
import org.apache.torque.Torque;
import org.apache.torque.om.NumberKey;
import org.apache.torque.util.Criteria;
import org.apache.turbine.services.InitializationException;
import org.apache.turbine.services.TurbineBaseService;
import org.apache.turbine.services.TurbineServices;
import org.apache.turbine.services.resources.ResourceService;
import org.apache.turbine.services.rundata.RunDataService;
import org.apache.turbine.util.Log;

/**
 * Default Jetspeed-Turbine Group Management implementation
 *
 *
 * @author <a href="mailto:[e-mail]">David Sean Taylor</a>
 * @version $Id: TurbineGroupManagement.java,v 1.11 2004/02/23 03:54:49 jford Exp $
 */

public class TurbineGroupManagement extends TurbineBaseService
                                   implements GroupManagement
{
    private JetspeedRunDataService runDataService = null;

    private final static String CONFIG_DEFAULT_ROLE = "role.default";
    String defaultRole = "user";
    private final static String CASCADE_DELETE = "programmatic.cascade.delete";
    private final static boolean DEFAULT_CASCADE_DELETE = true;
    private boolean cascadeDelete;

    ///////////////////////////////////////////////////////////////////////////
    // Group Management Interfaces
    ///////////////////////////////////////////////////////////////////////////

    /**
     * Retrieves all <code>Group</code>s for a given username principal.
     *
     * The security service may optionally check the current user context
     * to determine if the requestor has permission to perform this action.
     *
     * @param username a user principal identity to be retrieved.
     * @return Iterator over all groups associated to the user principal.
     * @exception GroupException when the security provider has a general failure.
     * @exception InsufficientPrivilegeException when the requestor is denied due to insufficient privilege
     */
    public Iterator getGroups(String username)
        throws JetspeedSecurityException
    {
        JetspeedUser user = null;
        try
        {
            user = JetspeedSecurity.getUser(new UserNamePrincipal(username));
        }
        catch(JetspeedSecurityException e)
        {
            throw new GroupException("Failed to Retrieve User: ", e);
        }
        Criteria criteria = new Criteria();
        criteria.add(TurbineUserGroupRolePeer.USER_ID, user.getUserId());
        List rels;
        HashMap groups;

        try
        {
            rels = TurbineUserGroupRolePeer.doSelect(criteria);
            if (rels.size() > 0)
            {
                groups = new HashMap(rels.size());
            }
            else
                groups = new HashMap();

            for (int ix = 0; ix < rels.size(); ix++)
            {
                TurbineUserGroupRole rel = (TurbineUserGroupRole)rels.get(ix);
                Group group = rel.getTurbineGroup();
                groups.put(group.getName(), group);
            }
        }
        catch(Exception e)
        {
            throw new GroupException("Failed to retrieve groups ", e);
        }
        return groups.values().iterator();
    }

    /**
     * Retrieves all <code>Group</code>s.
     *
     * The security service may optionally check the current user context
     * to determine if the requestor has permission to perform this action.
     *
     * @return Iterator over all groups.
     * @exception GroupException when the security provider has a general failure.
     * @exception InsufficientPrivilegeException when the requestor is denied due to insufficient privilege
     */
    public Iterator getGroups()
        throws JetspeedSecurityException
    {
        Criteria criteria = new Criteria();
        List groups;
        try
        {
            groups = TurbineGroupPeer.doSelect(criteria);
        }
        catch(Exception e)
        {
            throw new GroupException("Failed to retrieve groups ", e);
        }
        return groups.iterator();
    }

    /**
     * Adds a <code>Group</code> into permanent storage.
     *
     * The security service can throw a <code>NotUniqueEntityException</code> when the public
     * credentials fail to meet the security provider-specific unique constraints.
     * The security service may optionally check the current user context
     * to determine if the requestor has permission to perform this action.
     *
     * @exception GroupException when the security provider has a general failure.
     * @exception NotUniqueEntityException when the public credentials fail to meet
     *                                   the security provider-specific unique constraints.
     * @exception InsufficientPrivilegeException when the requestor is denied due to insufficient privilege
     */
    public void addGroup(Group group)
        throws JetspeedSecurityException
    {
        if(groupExists(group.getName()))
        {
            throw new GroupException("The group '" +
                group.getName() + "' already exists");
        }

        try
        {
            TurbineGroup tgroup = new TurbineGroup();
            tgroup.setGroupName(group.getName());
            Criteria criteria = TurbineGroupPeer.buildCriteria(tgroup);
            NumberKey key = (NumberKey)TurbineGroupPeer.doInsert(criteria);
            group.setId(key.toString());
        }
        catch(Exception e)
        {
            throw new GroupException("Failed to create group '" +
                group.getName() + "'", e);
        }

        try
        {
            addDefaultGroupPSML(group);
        }
        catch (Exception e)
        {
            try
            {
                removeGroup(group.getName());
            }
            catch (Exception e2)
            {
            }
            throw new GroupException("failed to add default PSML for Group resource", e);
        }

    }

    protected void addDefaultGroupPSML(Group group)
        throws GroupException
    {
        try
        {
            JetspeedRunDataService runDataService =
               (JetspeedRunDataService)TurbineServices.getInstance()
                   .getService(RunDataService.SERVICE_NAME);
            JetspeedRunData rundata = runDataService.getCurrentRunData();
            Profile profile = Profiler.createProfile();
            profile.setGroup(group);
            profile.setMediaType("html");
            Profiler.createProfile(rundata, profile);
        }
        catch (ProfileException e)
        {
            try
            {
                removeGroup(group.getName());
            }
            catch(Exception e2)
            {
            }
            throw new GroupException("Failed to create Group PSML", e);
        }
    }

    /**
     * Saves a <code>Group</code> into permanent storage.
     *
     * The security service can throw a <code>NotUniqueEntityException</code> when the public
     * credentials fail to meet the security provider-specific unique constraints.
     * The security service may optionally check the current user context
     * to determine if the requestor has permission to perform this action.
     *
     * @exception GroupException when the security provider has a general failure.
     * @exception InsufficientPrivilegeException when the requestor is denied due to insufficient privilege
     */
    public void saveGroup(Group group)
        throws JetspeedSecurityException
    {
        if(!groupExists(group.getName()))
        {
            throw new GroupException("The group '" +
                group.getName() + "' doesn't exists");
        }

        try
        {
            if (group instanceof TurbineGroup)
            {
                TurbineGroupPeer.doUpdate((TurbineGroup)group);
            }
            else
            {
                throw new GroupException("TurbineGroupManagment: Group is not a Turbine group, cannot update");
            }

        }
        catch(Exception e)
        {
            throw new GroupException("Failed to create group '" +
                group.getName() + "'", e);
        }

    }

    /**
     * Removes a <code>Group</code> from the permanent store.
     *
     * The security service may optionally check the current user context
     * to determine if the requestor has permission to perform this action.
     *
     * @param groupname the principal identity of the group to be retrieved.
     * @exception GroupException when the security provider has a general failure.
     * @exception InsufficientPrivilegeException when the requestor is denied due to insufficient privilege
     */
    public void removeGroup(String groupname)
        throws JetspeedSecurityException
    {
        Connection conn = null;
        try
        {