/*
* 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.ftpserver.impl;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.jcr.security.AccessControlManager;
import javax.jcr.security.Privilege;
import org.apache.ftpserver.ftplet.Authority;
import org.apache.ftpserver.ftplet.AuthorizationRequest;
import org.apache.ftpserver.usermanager.impl.WriteRequest;
import org.apache.sling.api.resource.ResourceResolver;
public class SlingWritePermission implements Authority {
private final AccessControlManager acm;
private final Privilege[] write;
public SlingWritePermission(final ResourceResolver resolver) {
AccessControlManager acm = null;
Privilege[] write = null;
if (resolver != null) {
try {
final Session session = resolver.adaptTo(Session.class);
if (session != null) {
acm = session.getAccessControlManager();
write = new Privilege[] {
acm.privilegeFromName(Privilege.JCR_WRITE)
};
}
} catch (RepositoryException re) {
// TODO: log
acm = null;
write = null;
}
}
this.acm = acm;
this.write = write;
}
public boolean canAuthorize(final AuthorizationRequest request) {
return request instanceof WriteRequest;
}
public AuthorizationRequest authorize(final AuthorizationRequest request) {
if ((request instanceof WriteRequest) && this.acm != null) {
WriteRequest writeRequest = (WriteRequest) request;
String requestFile = writeRequest.getFile();
try {
if (this.acm.hasPrivileges(requestFile, this.write)) {
return writeRequest;
}
} catch (RepositoryException e) {
// TODO Auto-generated catch block
}
}
return null;
}
}