001 /* 002 * Licensed to the Apache Software Foundation (ASF) under one 003 * or more contributor license agreements. See the NOTICE file 004 * distributed with this work for additional information 005 * regarding copyright ownership. The ASF licenses this file 006 * to you under the Apache License, Version 2.0 (the 007 * "License"); you may not use this file except in compliance 008 * with the License. You may obtain a copy of the License at 009 * 010 * http://www.apache.org/licenses/LICENSE-2.0 011 * 012 * Unless required by applicable law or agreed to in writing, 013 * software distributed under the License is distributed on an 014 * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY 015 * KIND, either express or implied. See the License for the 016 * specific language governing permissions and limitations 017 * under the License. 018 * 019 */ 020 package org.apache.directory.server.core.jndi; 021 022 023 import java.util.Hashtable; 024 025 import javax.naming.ConfigurationException; 026 import javax.naming.Context; 027 import javax.naming.InvalidNameException; 028 import javax.naming.NamingException; 029 import javax.naming.ldap.LdapName; 030 import javax.naming.spi.InitialContextFactory; 031 032 import org.apache.directory.server.core.CoreSession; 033 import org.apache.directory.server.core.DirectoryService; 034 import org.apache.directory.server.i18n.I18n; 035 import org.apache.directory.shared.ldap.constants.AuthenticationLevel; 036 import org.apache.directory.shared.ldap.exception.LdapInvalidDnException; 037 import org.apache.directory.shared.ldap.jndi.JndiUtils; 038 import org.apache.directory.shared.ldap.name.DN; 039 import org.apache.directory.shared.ldap.util.StringTools; 040 041 042 /** 043 * A simplistic implementation of {@link AbstractContextFactory}. 044 * This class simply extends {@link AbstractContextFactory} and leaves all 045 * abstract event listener methods as empty. 046 * 047 * @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a> 048 * @version $Rev: 925887 $ 049 */ 050 public class CoreContextFactory implements InitialContextFactory 051 { 052 public synchronized Context getInitialContext( Hashtable env ) throws NamingException 053 { 054 env = ( Hashtable<String, Object> ) env.clone(); 055 DN principalDn = null; 056 057 try 058 { 059 principalDn = new DN( getPrincipal( env ) ); 060 } 061 catch ( LdapInvalidDnException lide ) 062 { 063 throw new InvalidNameException( I18n.err( I18n.ERR_733, env ) ); 064 } 065 066 byte[] credential = getCredential( env ); 067 String authentication = getAuthentication( env ); 068 String providerUrl = getProviderUrl( env ); 069 070 DirectoryService service = ( DirectoryService ) env.get( DirectoryService.JNDI_KEY ); 071 072 if ( service == null ) 073 { 074 throw new ConfigurationException( I18n.err( I18n.ERR_477, env ) ); 075 } 076 077 if ( ! service.isStarted() ) 078 { 079 return new DeadContext(); 080 } 081 082 ServerLdapContext ctx = null; 083 try 084 { 085 CoreSession session = service.getSession( principalDn, credential ); 086 ctx = new ServerLdapContext( service, session, new LdapName( providerUrl ) ); 087 } 088 catch ( Exception e ) 089 { 090 JndiUtils.wrap( e ); 091 } 092 093 // check to make sure we have access to the specified dn in provider URL 094 ctx.lookup( "" ); 095 return ctx; 096 } 097 098 099 public static String getProviderUrl( Hashtable<String, Object> env ) 100 { 101 String providerUrl; 102 Object value; 103 value = env.get( Context.PROVIDER_URL ); 104 if ( value == null ) 105 { 106 value = ""; 107 } 108 providerUrl = value.toString(); 109 110 env.put( Context.PROVIDER_URL, providerUrl ); 111 112 return providerUrl; 113 } 114 115 116 public static String getAuthentication( Hashtable<String, Object> env ) 117 { 118 String authentication; 119 Object value = env.get( Context.SECURITY_AUTHENTICATION ); 120 if ( value == null ) 121 { 122 authentication = AuthenticationLevel.NONE.toString(); 123 } 124 else 125 { 126 authentication = value.toString(); 127 } 128 129 env.put( Context.SECURITY_AUTHENTICATION, authentication ); 130 131 return authentication; 132 } 133 134 135 public static byte[] getCredential( Hashtable<String, Object> env ) throws javax.naming.ConfigurationException 136 { 137 byte[] credential; 138 Object value = env.get( Context.SECURITY_CREDENTIALS ); 139 if ( value == null ) 140 { 141 credential = null; 142 } 143 else if ( value instanceof String ) 144 { 145 credential = StringTools.getBytesUtf8( (String)value ); 146 } 147 else if ( value instanceof byte[] ) 148 { 149 credential = ( byte[] ) value; 150 } 151 else 152 { 153 throw new javax.naming.ConfigurationException( I18n.err( I18n.ERR_478, Context.SECURITY_CREDENTIALS ) ); 154 } 155 156 if ( credential != null ) 157 { 158 env.put( Context.SECURITY_CREDENTIALS, credential ); 159 } 160 161 return credential; 162 } 163 164 165 public static String getPrincipal( Hashtable<String,Object> env ) 166 { 167 String principal; 168 Object value = env.get( Context.SECURITY_PRINCIPAL ); 169 if ( value == null ) 170 { 171 principal = null; 172 } 173 else 174 { 175 principal = value.toString(); 176 env.put( Context.SECURITY_PRINCIPAL, principal ); 177 } 178 179 return principal; 180 } 181 }