org.apache.hadoop.gateway.security.ldap.SimpleLdapDirectoryServer.java Source code

Introduction

Here is the source code for org.apache.hadoop.gateway.security.ldap.SimpleLdapDirectoryServer.java

Source

/**
 * 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.hadoop.gateway.security.ldap;

import org.apache.commons.io.FileUtils;
import org.apache.directory.server.core.api.CoreSession;
import org.apache.directory.server.core.api.DirectoryService;
import org.apache.directory.server.core.api.partition.Partition;
import org.apache.directory.server.core.factory.DirectoryServiceFactory;
import org.apache.directory.server.ldap.LdapServer;
import org.apache.directory.server.protocol.shared.store.LdifFileLoader;
import org.apache.directory.server.protocol.shared.transport.TcpTransport;
import org.apache.directory.server.protocol.shared.transport.Transport;
import org.apache.log4j.PropertyConfigurator;

import java.io.File;
import java.io.FileNotFoundException;
import java.net.ServerSocket;
import java.util.UUID;

public class SimpleLdapDirectoryServer {

    private DirectoryServiceFactory factory;

    private DirectoryService service;

    private LdapServer server;

    public SimpleLdapDirectoryServer(String rootDn, File usersLdif, Transport... transports) throws Exception {
        if (!usersLdif.exists()) {
            throw new FileNotFoundException(usersLdif.getAbsolutePath());
        }

        factory = new SimpleDirectoryServiceFactory();
        factory.init(UUID.randomUUID().toString());
        service = factory.getDirectoryService();

        Partition partition = factory.getPartitionFactory().createPartition(service.getSchemaManager(), "users",
                rootDn, 500, service.getInstanceLayout().getInstanceDirectory());
        service.addPartition(partition);

        CoreSession session = service.getAdminSession();
        LdifFileLoader lfl = new LdifFileLoader(session, usersLdif, null);
        lfl.execute();

        server = new LdapServer();
        server.setTransports(transports);
        server.setDirectoryService(service);
    }

    public void start() throws Exception {
        service.startup();
        server.start();
    }

    public void stop(boolean clean) throws Exception {
        server.stop();
        service.shutdown();
        if (clean) {
            FileUtils.deleteDirectory(service.getInstanceLayout().getInstanceDirectory());
        }
    }

    public static void main(String[] args) throws Exception {
        PropertyConfigurator.configure(System.getProperty("log4j.configuration"));

        SimpleLdapDirectoryServer ldap;

        File file;
        if (args.length < 1) {
            file = new File("conf/users.ldif");
        } else {
            File dir = new File(args[0]);
            if (!dir.exists() || !dir.isDirectory()) {
                throw new FileNotFoundException(dir.getAbsolutePath());
            }
            file = new File(dir, "users.ldif");
        }

        if (!file.exists() || !file.canRead()) {
            throw new FileNotFoundException(file.getAbsolutePath());
        }

        int port = 33389;

        // Make sure the port is free.
        ServerSocket socket = new ServerSocket(port);
        socket.close();

        TcpTransport transport = new TcpTransport(port);
        ldap = new SimpleLdapDirectoryServer("dc=hadoop,dc=apache,dc=org", file, transport);
        ldap.start();
    }

}