/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.sling.jackrabbit.usermanager.impl.post;
import java.util.List;
import java.util.Map;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import org.apache.jackrabbit.api.security.user.Authorizable;
import org.apache.jackrabbit.api.security.user.Group;
import org.apache.jackrabbit.api.security.user.UserManager;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.resource.ResourceResolver;
import org.apache.sling.jackrabbit.usermanager.impl.resource.AuthorizableResourceProvider;
import org.apache.sling.jcr.base.util.AccessControlUtil;
import org.apache.sling.servlets.post.Modification;
import org.apache.sling.servlets.post.SlingPostConstants;
/**
* Base class for servlets manipulating groups
*/
public abstract class AbstractGroupPostServlet extends
AbstractAuthorizablePostServlet {
private static final long serialVersionUID = 1159063041816944076L;
/**
* Update the group membership based on the ":member" request parameters. If
* the ":member" value ends with @Delete it is removed from the group
* membership, otherwise it is added to the group membership.
*
* @param request
* @param authorizable
* @throws RepositoryException
*/
protected void updateGroupMembership(Resource baseResource,
Map<String, ?> properties,
Authorizable authorizable,
List<Modification> changes)
throws RepositoryException {
if (authorizable.isGroup()) {
Group group = ((Group) authorizable);
String groupPath = AuthorizableResourceProvider.SYSTEM_USER_MANAGER_GROUP_PREFIX
+ group.getID();
ResourceResolver resolver = baseResource.getResourceResolver();
boolean changed = false;
UserManager userManager = AccessControlUtil.getUserManager(resolver.adaptTo(Session.class));
// first remove any members posted as ":member@Delete"
String[] membersToDelete = convertToStringArray(properties.get(SlingPostConstants.RP_PREFIX
+ "member" + SlingPostConstants.SUFFIX_DELETE));
if (membersToDelete != null) {
for (String member : membersToDelete) {
Authorizable memberAuthorizable = getAuthorizable(baseResource, member,userManager,resolver);
if (memberAuthorizable != null) {
group.removeMember(memberAuthorizable);
changed = true;
}
}
}
// second add any members posted as ":member"
String[] membersToAdd = convertToStringArray(properties.get(SlingPostConstants.RP_PREFIX
+ "member"));
if (membersToAdd != null) {
for (String member : membersToAdd) {
Authorizable memberAuthorizable = getAuthorizable(baseResource, member,userManager,resolver);
if (memberAuthorizable != null) {
group.addMember(memberAuthorizable);
changed = true;
}
}
}
if (changed) {
// add an entry to the changes list to record the membership
// change
changes.add(Modification.onModified(groupPath + "/members"));
}
}
}
/**
* Gets the member, assuming its a principal name, failing that it assumes it a path to the resource.
* @param member the token pointing to the member, either a name or a uri
* @param userManager the user manager for this request.
* @param resolver the resource resolver for this request.
* @return the authorizable, or null if no authorizable was found.
*/
private Authorizable getAuthorizable(Resource baseResource,
String member,
UserManager userManager,
ResourceResolver resolver) {
Authorizable memberAuthorizable = null;
try {
memberAuthorizable = userManager.getAuthorizable(member);
} catch (RepositoryException e) {
// if we can't find the members then it may be resolvable as a resource.
}
if ( memberAuthorizable == null ) {
Resource res = resolver.getResource(baseResource, member);
if (res != null) {
memberAuthorizable = res.adaptTo(Authorizable.class);
}
}
return memberAuthorizable;
}
}