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/*
* SonarQube
* Copyright (C) 2009-2020 SonarSource SA
* mailto:info AT sonarsource DOT com
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 3 of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package org.sonar.ldap;
import java.io.File;
import java.io.IOException;
import java.io.InputStream;
import java.nio.charset.StandardCharsets;
import java.util.Collections;
import java.util.HashMap;
import java.util.Map;
import org.apache.directory.api.ldap.model.constants.SupportedSaslMechanisms;
import org.apache.directory.api.ldap.model.entry.DefaultEntry;
import org.apache.directory.api.ldap.model.entry.DefaultModification;
import org.apache.directory.api.ldap.model.entry.ModificationOperation;
import org.apache.directory.api.ldap.model.exception.LdapOperationException;
import org.apache.directory.api.ldap.model.ldif.ChangeType;
import org.apache.directory.api.ldap.model.ldif.LdifEntry;
import org.apache.directory.api.ldap.model.ldif.LdifReader;
import org.apache.directory.api.ldap.model.name.Dn;
import org.apache.directory.api.util.FileUtils;
import org.apache.directory.server.core.api.CoreSession;
import org.apache.directory.server.core.api.DirectoryService;
import org.apache.directory.server.core.api.InstanceLayout;
import org.apache.directory.server.core.factory.DefaultDirectoryServiceFactory;
import org.apache.directory.server.core.kerberos.KeyDerivationInterceptor;
import org.apache.directory.server.core.partition.impl.avl.AvlPartition;
import org.apache.directory.server.kerberos.KerberosConfig;
import org.apache.directory.server.kerberos.kdc.KdcServer;
import org.apache.directory.server.ldap.LdapServer;
import org.apache.directory.server.ldap.handlers.sasl.MechanismHandler;
import org.apache.directory.server.ldap.handlers.sasl.cramMD5.CramMd5MechanismHandler;
import org.apache.directory.server.ldap.handlers.sasl.digestMD5.DigestMd5MechanismHandler;
import org.apache.directory.server.ldap.handlers.sasl.gssapi.GssapiMechanismHandler;
import org.apache.directory.server.ldap.handlers.sasl.plain.PlainMechanismHandler;
import org.apache.directory.server.protocol.shared.transport.TcpTransport;
import org.apache.directory.server.protocol.shared.transport.UdpTransport;
import org.apache.directory.server.xdbm.impl.avl.AvlIndex;
import org.apache.mina.util.AvailablePortFinder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public final class ApacheDS {
private static final Logger LOG = LoggerFactory.getLogger(ApacheDS.class);
private final String realm;
private final String baseDn;
private DirectoryService directoryService;
private LdapServer ldapServer;
private KdcServer kdcServer;
private ApacheDS(String realm, String baseDn) {
this.realm = realm;
this.baseDn = baseDn;
ldapServer = new LdapServer();
}
public static ApacheDS start(String realm, String baseDn, String workDir, Integer port) throws Exception {
return new ApacheDS(realm, baseDn)
.startDirectoryService(workDir)
.startKdcServer()
.startLdapServer(port == null ? AvailablePortFinder.getNextAvailable(1024) : port)
.activateNis();
}
public static ApacheDS start(String realm, String baseDn, String workDir) throws Exception {
return start(realm, baseDn, workDir + realm, null);
}
public static ApacheDS start(String realm, String baseDn) throws Exception {
return start(realm, baseDn, "target/ldap-work/" + realm, null);
}
public void stop() {
try {
kdcServer.stop();
kdcServer = null;
ldapServer.stop();
ldapServer = null;
directoryService.shutdown();
directoryService = null;
} catch (Exception e) {
throw new IllegalStateException(e);
}
}
public String getUrl() {
return "ldap://localhost:" + ldapServer.getPort();
}
/**
* Stream will be closed automatically.
*/
public void importLdif(InputStream is) throws Exception {
try (LdifReader reader = new LdifReader(is)) {
CoreSession coreSession = directoryService.getAdminSession();
// see LdifFileLoader
for (LdifEntry ldifEntry : reader) {
String ldif = ldifEntry.toString();
LOG.info(ldif);
if (ChangeType.Add == ldifEntry.getChangeType() || /* assume "add" by default */ ChangeType.None == ldifEntry.getChangeType()) {
coreSession.add(new DefaultEntry(coreSession.getDirectoryService().getSchemaManager(), ldifEntry.getEntry()));
} else if (ChangeType.Modify == ldifEntry.getChangeType()) {
coreSession.modify(ldifEntry.getDn(), ldifEntry.getModifications());
} else if (ChangeType.Delete == ldifEntry.getChangeType()) {
coreSession.delete(ldifEntry.getDn());
} else {
throw new IllegalStateException();
}
}
}
}
public void disableAnonymousAccess() {
directoryService.setAllowAnonymousAccess(false);
}
public void enableAnonymousAccess() {
directoryService.setAllowAnonymousAccess(true);
}
private ApacheDS startDirectoryService(String workDirStr) throws Exception {
DefaultDirectoryServiceFactory factory = new DefaultDirectoryServiceFactory();
factory.init(realm);
directoryService = factory.getDirectoryService();
directoryService.getChangeLog().setEnabled(false);
directoryService.setShutdownHookEnabled(false);
directoryService.setAllowAnonymousAccess(true);
File workDir = new File(workDirStr);
if (workDir.exists()) {
FileUtils.deleteDirectory(workDir);
}
InstanceLayout instanceLayout = new InstanceLayout(workDir);
directoryService.setInstanceLayout(instanceLayout);
AvlPartition partition = new AvlPartition(directoryService.getSchemaManager());
partition.setId("Test");
partition.setSuffixDn(new Dn(directoryService.getSchemaManager(), baseDn));
partition.addIndexedAttributes(
new AvlIndex<>("ou"),
new AvlIndex<>("uid"),
new AvlIndex<>("dc"),
new AvlIndex<>("objectClass"));
partition.initialize();
directoryService.addPartition(partition);
directoryService.addLast(new KeyDerivationInterceptor());
directoryService.shutdown();
directoryService.startup();
return this;
}
private ApacheDS startLdapServer(int port) throws Exception {
ldapServer.setTransports(new TcpTransport(port));
ldapServer.setDirectoryService(directoryService);
// Setup SASL mechanisms
Map<String, MechanismHandler> mechanismHandlerMap = new HashMap<>();
mechanismHandlerMap.put(SupportedSaslMechanisms.PLAIN, new PlainMechanismHandler());
mechanismHandlerMap.put(SupportedSaslMechanisms.CRAM_MD5, new CramMd5MechanismHandler());
mechanismHandlerMap.put(SupportedSaslMechanisms.DIGEST_MD5, new DigestMd5MechanismHandler());
mechanismHandlerMap.put(SupportedSaslMechanisms.GSSAPI, new GssapiMechanismHandler());
ldapServer.setSaslMechanismHandlers(mechanismHandlerMap);
ldapServer.setSaslHost("localhost");
ldapServer.setSaslRealms(Collections.singletonList(realm));
// TODO ldapServer.setSaslPrincipal();
// The base DN containing users that can be SASL authenticated.
ldapServer.setSearchBaseDn(baseDn);
ldapServer.start();
return this;
}
private ApacheDS startKdcServer() throws IOException, LdapOperationException {
int port = AvailablePortFinder.getNextAvailable(6088);
KerberosConfig kdcConfig = new KerberosConfig();
kdcConfig.setServicePrincipal("krbtgt/EXAMPLE.ORG@EXAMPLE.ORG");
kdcConfig.setPrimaryRealm("EXAMPLE.ORG");
kdcConfig.setPaEncTimestampRequired(false);
kdcServer = new KdcServer(kdcConfig);
kdcServer.setSearchBaseDn("dc=example,dc=org");
kdcServer.addTransports(new UdpTransport("localhost", port));
kdcServer.setDirectoryService(directoryService);
kdcServer.start();
FileUtils.writeStringToFile(new File("target/krb5.conf"), ""
+ "[libdefaults]\n"
+ " default_realm = EXAMPLE.ORG\n"
+ "\n"
+ "[realms]\n"
+ " EXAMPLE.ORG = {\n"
+ " kdc = localhost:" + port + "\n"
+ " }\n"
+ "\n"
+ "[domain_realm]\n"
+ " .example.org = EXAMPLE.ORG\n"
+ " example.org = EXAMPLE.ORG\n",
StandardCharsets.UTF_8.name());
return this;
}
/**
* This seems to be required for objectClass posixGroup.
*/
private ApacheDS activateNis() throws Exception {
directoryService.getAdminSession().modify(
new Dn("cn=nis,ou=schema"),
new DefaultModification(ModificationOperation.REPLACE_ATTRIBUTE, "m-disabled", "FALSE"));
return this;
}
}
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