/**
* 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;
import org.apache.directory.server.core.DefaultDirectoryService;
import org.apache.directory.server.core.DirectoryService;
import org.apache.directory.server.core.entry.ServerEntry;
import org.apache.directory.server.core.partition.Partition;
import org.apache.directory.server.core.partition.impl.btree.jdbm.JdbmPartition;
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.shared.ldap.name.LdapDN;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.util.UUID;
public class EmbeddedApacheDirectoryServer {
private DefaultDirectoryService directory;
private LdapServer transport;
private Partition partition;
@SuppressWarnings("deprecation")
public static void main( String[] args ) throws Exception {
EmbeddedApacheDirectoryServer ldap;
ldap = new EmbeddedApacheDirectoryServer( "dc=hadoop,dc=apache,dc=org", null, 33389 );
ldap.start();
URL userUrl;
if ( args.length > 0 ) {
File file = new File( args[0], "users.ldif" );
if( !file.exists() || !file.canRead() ) {
throw new FileNotFoundException( file.getAbsolutePath() );
}
userUrl = file.toURL();
} else {
userUrl = Thread.currentThread().getContextClassLoader().getResource( "users.ldif" );
if( userUrl == null ) {
throw new FileNotFoundException( "classpath:user.ldif" );
} else if( userUrl.toExternalForm().startsWith( "jar:file:" ) ) {
throw new IllegalArgumentException( "Loading user.ldif from within jar unsupported. Provide directory containing user.ldif as first argument. " );
}
}
ldap.loadLdif( userUrl );
}
public EmbeddedApacheDirectoryServer( String rootDn, File workDir, int ldapPort ) throws Exception {
partition = createRootParition( rootDn );
directory = createDirectory( partition, workDir );
transport = createTransport( directory, ldapPort );
}
public LdapServer getTransport() {
return transport;
}
public DirectoryService getDirectory() {
return directory;
}
public Partition getPartition() {
return partition;
}
private static Partition createRootParition( String dn ) {
JdbmPartition partition = new JdbmPartition();
partition.setId( "root" );
partition.setSuffix( dn );
return partition;
}
private static DefaultDirectoryService createDirectory( Partition rootPartition, File workDir ) throws Exception {
DefaultDirectoryService directory = new DefaultDirectoryService();
directory.addPartition( rootPartition );
directory.setExitVmOnShutdown( false );
directory.setShutdownHookEnabled( true );
directory.getChangeLog().setEnabled( false );
directory.setDenormalizeOpAttrsEnabled( true );
directory.setWorkingDirectory( initWorkDir( null ) );
return directory;
}
private static LdapServer createTransport( DirectoryService directory, int ldapPort ) {
LdapServer transport = new LdapServer();
transport.setDirectoryService( directory );
if( ldapPort <= 0 ) {
transport.setTransports( new TcpTransport() );
} else {
transport.setTransports( new TcpTransport( ldapPort ) );
}
return transport;
}
private static File initWorkDir( File workDir ) throws IOException {
File dir = workDir;
// if( dir == null ) {
// dir = new File( System.getProperty( "user.dir" ), EmbeddedApacheDirectoryServer.class.getName() );
// }
// if( dir.exists() ) {
File file = File.createTempFile( "ApacheDS", "." + UUID.randomUUID() );
file.delete();
if( !file.mkdirs() ) {
throw new IOException( "Failed to create temp dir " + file );
}
dir = file;
// }
return dir;
}
public void start() throws Exception {
directory.startup();
transport.start();
LdapDN dn = partition.getSuffixDn();
String dc = dn.getUpName().split("[=,]")[1];
ServerEntry entry = directory.newEntry( dn );
entry.add( "objectClass", "top", "domain", "extensibleObject" );
entry.add( "dc", dc );
directory.getAdminSession().add( entry );
}
public void stop() throws Exception {
try {
transport.stop();
directory.shutdown();
} finally {
deleteDir( directory.getWorkingDirectory() );
}
}
public void loadLdif( URL url ) throws URISyntaxException {
File file = new File( url.toURI() );
LdifFileLoader loader = new LdifFileLoader(
directory.getAdminSession(), file, null, Thread.currentThread().getContextClassLoader() );
loader.execute();
}
private static boolean deleteDir( File dir ) {
if( dir.isDirectory() ) {
String[] children = dir.list();
for( String child : children ) {
boolean success = deleteDir( new File( dir, child ) );
if( !success ) {
return false;
}
}
}
return dir.delete();
}
}