/
LdapNetworkConnection.java
5466 lines (4498 loc) · 165 KB
/
LdapNetworkConnection.java
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/*
* 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
*
* https://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.directory.ldap.client.api;
import static org.apache.directory.api.ldap.model.message.ResultCodeEnum.processResponse;
import java.io.File;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.Writer;
import java.net.ConnectException;
import java.net.InetSocketAddress;
import java.net.SocketAddress;
import java.nio.channels.UnresolvedAddressException;
import java.nio.charset.Charset;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.PrivilegedExceptionAction;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.concurrent.CompletableFuture;
import java.util.concurrent.ConcurrentHashMap;
import java.util.concurrent.ExecutionException;
import java.util.concurrent.TimeUnit;
import java.util.concurrent.TimeoutException;
import java.util.concurrent.atomic.AtomicBoolean;
import java.util.concurrent.locks.ReentrantLock;
import javax.net.ssl.SSLContext;
import javax.net.ssl.SSLSession;
import javax.net.ssl.TrustManager;
import javax.security.auth.Subject;
import javax.security.auth.login.Configuration;
import javax.security.auth.login.LoginContext;
import javax.security.sasl.Sasl;
import javax.security.sasl.SaslClient;
import org.apache.directory.api.asn1.DecoderException;
import org.apache.directory.api.asn1.util.Oid;
import org.apache.directory.api.i18n.I18n;
import org.apache.directory.api.ldap.codec.api.BinaryAttributeDetector;
import org.apache.directory.api.ldap.codec.api.DefaultConfigurableBinaryAttributeDetector;
import org.apache.directory.api.ldap.codec.api.ExtendedOperationFactory;
import org.apache.directory.api.ldap.codec.api.LdapApiService;
import org.apache.directory.api.ldap.codec.api.LdapApiServiceFactory;
import org.apache.directory.api.ldap.codec.api.LdapDecoder;
import org.apache.directory.api.ldap.codec.api.LdapMessageContainer;
import org.apache.directory.api.ldap.codec.api.MessageEncoderException;
import org.apache.directory.api.ldap.codec.api.SaslFilter;
import org.apache.directory.api.ldap.codec.api.SchemaBinaryAttributeDetector;
import org.apache.directory.api.ldap.extras.controls.ad.TreeDelete;
import org.apache.directory.api.ldap.extras.controls.ad.TreeDeleteImpl;
import org.apache.directory.api.ldap.extras.extended.startTls.StartTlsRequestImpl;
import org.apache.directory.api.ldap.model.constants.LdapConstants;
import org.apache.directory.api.ldap.model.constants.SchemaConstants;
import org.apache.directory.api.ldap.model.cursor.Cursor;
import org.apache.directory.api.ldap.model.cursor.CursorException;
import org.apache.directory.api.ldap.model.cursor.EntryCursor;
import org.apache.directory.api.ldap.model.cursor.SearchCursor;
import org.apache.directory.api.ldap.model.entry.Attribute;
import org.apache.directory.api.ldap.model.entry.DefaultEntry;
import org.apache.directory.api.ldap.model.entry.Entry;
import org.apache.directory.api.ldap.model.entry.Modification;
import org.apache.directory.api.ldap.model.entry.ModificationOperation;
import org.apache.directory.api.ldap.model.entry.Value;
import org.apache.directory.api.ldap.model.exception.LdapAuthenticationException;
import org.apache.directory.api.ldap.model.exception.LdapException;
import org.apache.directory.api.ldap.model.exception.LdapInvalidDnException;
import org.apache.directory.api.ldap.model.exception.LdapNoPermissionException;
import org.apache.directory.api.ldap.model.exception.LdapNoSuchObjectException;
import org.apache.directory.api.ldap.model.exception.LdapOperationException;
import org.apache.directory.api.ldap.model.exception.LdapOtherException;
import org.apache.directory.api.ldap.model.exception.LdapTlsHandshakeException;
import org.apache.directory.api.ldap.model.message.AbandonRequest;
import org.apache.directory.api.ldap.model.message.AbandonRequestImpl;
import org.apache.directory.api.ldap.model.message.AddRequest;
import org.apache.directory.api.ldap.model.message.AddRequestImpl;
import org.apache.directory.api.ldap.model.message.AddResponse;
import org.apache.directory.api.ldap.model.message.AliasDerefMode;
import org.apache.directory.api.ldap.model.message.BindRequest;
import org.apache.directory.api.ldap.model.message.BindRequestImpl;
import org.apache.directory.api.ldap.model.message.BindResponse;
import org.apache.directory.api.ldap.model.message.CompareRequest;
import org.apache.directory.api.ldap.model.message.CompareRequestImpl;
import org.apache.directory.api.ldap.model.message.CompareResponse;
import org.apache.directory.api.ldap.model.message.Control;
import org.apache.directory.api.ldap.model.message.DeleteRequest;
import org.apache.directory.api.ldap.model.message.DeleteRequestImpl;
import org.apache.directory.api.ldap.model.message.DeleteResponse;
import org.apache.directory.api.ldap.model.message.ExtendedRequest;
import org.apache.directory.api.ldap.model.message.ExtendedResponse;
import org.apache.directory.api.ldap.model.message.IntermediateResponse;
import org.apache.directory.api.ldap.model.message.LdapResult;
import org.apache.directory.api.ldap.model.message.Message;
import org.apache.directory.api.ldap.model.message.ModifyDnRequest;
import org.apache.directory.api.ldap.model.message.ModifyDnRequestImpl;
import org.apache.directory.api.ldap.model.message.ModifyDnResponse;
import org.apache.directory.api.ldap.model.message.ModifyRequest;
import org.apache.directory.api.ldap.model.message.ModifyRequestImpl;
import org.apache.directory.api.ldap.model.message.ModifyResponse;
import org.apache.directory.api.ldap.model.message.OpaqueExtendedRequest;
import org.apache.directory.api.ldap.model.message.OpaqueExtendedResponse;
import org.apache.directory.api.ldap.model.message.Request;
import org.apache.directory.api.ldap.model.message.Response;
import org.apache.directory.api.ldap.model.message.ResultCodeEnum;
import org.apache.directory.api.ldap.model.message.SearchRequest;
import org.apache.directory.api.ldap.model.message.SearchRequestImpl;
import org.apache.directory.api.ldap.model.message.SearchResultDone;
import org.apache.directory.api.ldap.model.message.SearchResultEntry;
import org.apache.directory.api.ldap.model.message.SearchResultReference;
import org.apache.directory.api.ldap.model.message.SearchScope;
import org.apache.directory.api.ldap.model.message.UnbindRequest;
import org.apache.directory.api.ldap.model.message.UnbindRequestImpl;
import org.apache.directory.api.ldap.model.message.controls.ManageDsaITImpl;
import org.apache.directory.api.ldap.model.message.controls.OpaqueControl;
import org.apache.directory.api.ldap.model.message.extended.AddNoDResponse;
import org.apache.directory.api.ldap.model.message.extended.BindNoDResponse;
import org.apache.directory.api.ldap.model.message.extended.CompareNoDResponse;
import org.apache.directory.api.ldap.model.message.extended.DeleteNoDResponse;
import org.apache.directory.api.ldap.model.message.extended.ExtendedNoDResponse;
import org.apache.directory.api.ldap.model.message.extended.ModifyDnNoDResponse;
import org.apache.directory.api.ldap.model.message.extended.ModifyNoDResponse;
import org.apache.directory.api.ldap.model.message.extended.NoticeOfDisconnect;
import org.apache.directory.api.ldap.model.message.extended.SearchNoDResponse;
import org.apache.directory.api.ldap.model.name.Dn;
import org.apache.directory.api.ldap.model.name.Rdn;
import org.apache.directory.api.ldap.model.schema.AttributeType;
import org.apache.directory.api.ldap.model.schema.ObjectClass;
import org.apache.directory.api.ldap.model.schema.SchemaManager;
import org.apache.directory.api.ldap.model.schema.parsers.OpenLdapSchemaParser;
import org.apache.directory.api.ldap.model.schema.registries.Registries;
import org.apache.directory.api.ldap.model.schema.registries.SchemaLoader;
import org.apache.directory.api.ldap.schema.manager.impl.DefaultSchemaManager;
import org.apache.directory.api.util.Network;
import org.apache.directory.api.util.StringConstants;
import org.apache.directory.api.util.Strings;
import org.apache.directory.ldap.client.api.callback.SaslCallbackHandler;
import org.apache.directory.ldap.client.api.exception.InvalidConnectionException;
import org.apache.directory.ldap.client.api.exception.LdapConnectionTimeOutException;
import org.apache.directory.ldap.client.api.future.AddFuture;
import org.apache.directory.ldap.client.api.future.BindFuture;
import org.apache.directory.ldap.client.api.future.CompareFuture;
import org.apache.directory.ldap.client.api.future.DeleteFuture;
import org.apache.directory.ldap.client.api.future.ExtendedFuture;
import org.apache.directory.ldap.client.api.future.HandshakeFuture;
import org.apache.directory.ldap.client.api.future.ModifyDnFuture;
import org.apache.directory.ldap.client.api.future.ModifyFuture;
import org.apache.directory.ldap.client.api.future.ResponseFuture;
import org.apache.directory.ldap.client.api.future.SearchFuture;
import org.apache.mina.core.filterchain.IoFilter;
import org.apache.mina.core.filterchain.IoFilterChain;
import org.apache.mina.core.future.CloseFuture;
import org.apache.mina.core.future.ConnectFuture;
import org.apache.mina.core.future.WriteFuture;
import org.apache.mina.core.service.IoConnector;
import org.apache.mina.core.session.IoSession;
import org.apache.mina.filter.FilterEvent;
import org.apache.mina.filter.codec.ProtocolCodecFilter;
import org.apache.mina.filter.codec.ProtocolEncoderException;
import org.apache.mina.filter.ssl.SslEvent;
import org.apache.mina.filter.ssl.SslFilter;
import org.apache.mina.transport.socket.SocketSessionConfig;
import org.apache.mina.transport.socket.nio.NioSocketConnector;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* This class is the base for every operations sent or received to and
* from a LDAP server.
*
* A connection instance is necessary to send requests to the server. The connection
* is valid until either the client closes it, the server closes it or the
* client does an unbind.
*
* @author <a href="mailto:dev@directory.apache.org">Apache Directory Project</a>
*/
public class LdapNetworkConnection extends AbstractLdapConnection implements LdapAsyncConnection
{
/** logger for reporting errors that might not be handled properly upstream */
private static final Logger LOG = LoggerFactory.getLogger( LdapNetworkConnection.class );
/** The timeout used for response we are waiting for */
private long timeout = LdapConnectionConfig.DEFAULT_TIMEOUT;
/** Timeout for connect and bind operations */
private long connectTimeout = LdapConnectionConfig.DEFAULT_TIMEOUT;
/** Timeout for write operations, such as add, modify and delete */
private long writeOperationTimeout = LdapConnectionConfig.DEFAULT_TIMEOUT;
/** Timeout for read operations, suc as search and compare */
private long readOperationTimeout = LdapConnectionConfig.DEFAULT_TIMEOUT;
/** Timeout for close and unbind operations */
private long closeTimeout = LdapConnectionConfig.DEFAULT_TIMEOUT;
/** Timeout for I/O (TCP) writes */
private long sendTimeout = LdapConnectionConfig.DEFAULT_TIMEOUT;
/** configuration object for the connection */
private LdapConnectionConfig config;
/** The Socket configuration */
private SocketSessionConfig socketSessionConfig;
/** The connector open with the remote server */
private IoConnector connector;
/** A mutex used to avoid a double close of the connector */
private ReentrantLock connectorMutex = new ReentrantLock();
/**
* The created session, created when we open a connection with
* the Ldap server.
*/
private IoSession ioSession;
/** a map to hold the ResponseFutures for all operations */
private Map<Integer, ResponseFuture<? extends Response>> futureMap = new ConcurrentHashMap<>();
/** list of controls supported by the server */
private List<String> supportedControls;
/** The ROOT DSE entry */
private Entry rootDse;
/** A flag indicating that the BindRequest has been issued and successfully authenticated the user */
private AtomicBoolean authenticated = new AtomicBoolean( false );
/** a list of listeners interested in getting notified when the
* connection's session gets closed cause of network issues
*/
private List<ConnectionClosedEventListener> conCloseListeners;
/** The LDAP codec protocol filter */
private IoFilter ldapProtocolFilter = new ProtocolCodecFilter( codec.getProtocolCodecFactory() );
/** The LDAP coded protocol filter key */
private static final String LDAP_CODEC_FILTER_KEY = "ldapCodec";
/** The SslFilter key */
private static final String SSL_FILTER_KEY = "sslFilter";
/** The SaslFilter key */
private static final String SASL_FILTER_KEY = "saslFilter";
/** The exception stored in the session if we've got one */
private static final String EXCEPTION_KEY = "sessionException";
/** The krb5 configuration property */
private static final String KRB5_CONF = "java.security.krb5.conf";
/** A future used to block any action until the handshake is completed */
private HandshakeFuture handshakeFuture;
/** A future used to wait for a connection to be closed */
private CompletableFuture<Integer> connectionCloseFuture = new CompletableFuture<>();
// ~~~~~~~~~~~~~~~~~ common error messages ~~~~~~~~~~~~~~~~~~~~~~~~~~
static final String TIME_OUT_ERROR = I18n.err( I18n.ERR_04170_TIMEOUT_OCCURED );
static final String NO_RESPONSE_ERROR = I18n.err( I18n.ERR_04169_RESPONSE_QUEUE_EMPTIED );
//------------------------- The constructors --------------------------//
/**
* Create a new instance of a LdapConnection on localhost,
* port 389.
*/
public LdapNetworkConnection()
{
this( null, -1, false );
}
/**
*
* Creates a new instance of LdapConnection with the given connection configuration.
*
* @param config the configuration of the LdapConnection
*/
public LdapNetworkConnection( LdapConnectionConfig config )
{
this( config, LdapApiServiceFactory.getSingleton() );
}
/**
* Creates a new LdapNetworkConnection instance
*
* @param config The configuration to use
* @param ldapApiService The LDAP API Service to use
*/
public LdapNetworkConnection( LdapConnectionConfig config, LdapApiService ldapApiService )
{
super( ldapApiService );
this.config = config;
if ( config.getBinaryAttributeDetector() == null )
{
config.setBinaryAttributeDetector( new DefaultConfigurableBinaryAttributeDetector() );
}
this.timeout = config.getTimeout();
this.connectTimeout = determineTimeoutConfiguration( config.getConnectTimeout() );
this.writeOperationTimeout = determineTimeoutConfiguration( config.getWriteOperationTimeout() );
this.readOperationTimeout = determineTimeoutConfiguration( config.getReadOperationTimeout() );
this.closeTimeout = determineTimeoutConfiguration( config.getCloseTimeout() );
this.sendTimeout = determineTimeoutConfiguration( config.getSendTimeout() );
}
private long determineTimeoutConfiguration( Long localTimeout )
{
return localTimeout == null ? this.timeout : localTimeout;
}
/**
* Create a new instance of a LdapConnection on localhost,
* port 389 if the SSL flag is off, or 636 otherwise.
*
* @param useSsl A flag to tell if it's a SSL connection or not.
*/
public LdapNetworkConnection( boolean useSsl )
{
this( null, -1, useSsl );
}
/**
* Creates a new LdapNetworkConnection instance
*
* @param useSsl If we are going to create a secure connection or not
* @param ldapApiService The LDAP API Service to use
*/
public LdapNetworkConnection( boolean useSsl, LdapApiService ldapApiService )
{
this( null, -1, useSsl, ldapApiService );
}
/**
* Create a new instance of a LdapConnection on a given
* server, using the default port (389).
*
* @param server The server we want to be connected to. If null or empty,
* we will default to LocalHost.
*/
public LdapNetworkConnection( String server )
{
this( server, -1, false );
}
/**
* Creates a new LdapNetworkConnection instance
*
* @param server The server we want to be connected to. If null or empty,
* we will default to LocalHost.
* @param ldapApiService The LDAP API Service to use
*/
public LdapNetworkConnection( String server, LdapApiService ldapApiService )
{
this( server, -1, false, ldapApiService );
}
/**
* Create a new instance of a LdapConnection on a given
* server, using the default port (389) if the SSL flag
* is off, or 636 otherwise.
*
* @param server The server we want to be connected to. If null or empty,
* we will default to LocalHost.
* @param useSsl A flag to tell if it's a SSL connection or not.
*/
public LdapNetworkConnection( String server, boolean useSsl )
{
this( server, -1, useSsl );
}
/**
* Creates a new LdapNetworkConnection instance
*
* @param server The server we want to be connected to. If null or empty,
* we will default to LocalHost.
* @param useSsl A flag to tell if it's a SSL connection or not.
* @param ldapApiService The LDAP API Service to use
*/
public LdapNetworkConnection( String server, boolean useSsl, LdapApiService ldapApiService )
{
this( server, -1, useSsl, ldapApiService );
}
/**
* Create a new instance of a LdapConnection on a
* given server and a given port. We don't use ssl.
*
* @param server The server we want to be connected to
* @param port The port the server is listening to
*/
public LdapNetworkConnection( String server, int port )
{
this( server, port, false );
}
/**
* Create a new instance of a LdapConnection on a
* given server and a given port. We don't use ssl.
*
* @param server The server we want to be connected to. If null or empty,
* we will default to LocalHost.
* @param port The port the server is listening on
* @param ldapApiService The LDAP API Service to use
*/
public LdapNetworkConnection( String server, int port, LdapApiService ldapApiService )
{
this( server, port, false, ldapApiService );
}
/**
* Create a new instance of a LdapConnection on a given
* server, and a give port. We set the SSL flag accordingly
* to the last parameter.
*
* @param server The server we want to be connected to. If null or empty,
* we will default to LocalHost.
* @param port The port the server is listening to
* @param useSsl A flag to tell if it's a SSL connection or not.
*/
public LdapNetworkConnection( String server, int port, boolean useSsl )
{
this( buildConfig( server, port, useSsl ) );
}
/**
* Create a new instance of a LdapConnection on a given
* server, and a give port. This SSL connection will use the provided
* TrustManagers
*
* @param server The server we want to be connected to. If null or empty,
* we will default to LocalHost.
* @param port The port the server is listening to
* @param trustManagers The TrustManager to use
*/
public LdapNetworkConnection( String server, int port, TrustManager... trustManagers )
{
this( buildConfig( server, port, true ) );
config.setTrustManagers( trustManagers );
}
/**
* Create a new instance of a LdapConnection on a
* given server and a given port. We don't use ssl.
*
* @param server The server we want to be connected to. If null or empty,
* we will default to LocalHost.
* @param port The port the server is listening on
* @param useSsl A flag to tell if it's a SSL connection or not.
* @param ldapApiService The LDAP API Service to use
*/
public LdapNetworkConnection( String server, int port, boolean useSsl, LdapApiService ldapApiService )
{
this( buildConfig( server, port, useSsl ), ldapApiService );
}
private static LdapConnectionConfig buildConfig( String server, int port, boolean useSsl )
{
LdapConnectionConfig config = new LdapConnectionConfig();
config.setUseSsl( useSsl );
if ( port != -1 )
{
config.setLdapPort( port );
}
else
{
if ( useSsl )
{
config.setLdapPort( config.getDefaultLdapsPort() );
}
else
{
config.setLdapPort( config.getDefaultLdapPort() );
}
}
// Default to localhost if null
if ( Strings.isEmpty( server ) )
{
config.setLdapHost( Network.LOOPBACK_HOSTNAME );
}
else
{
config.setLdapHost( server );
}
config.setBinaryAttributeDetector( new DefaultConfigurableBinaryAttributeDetector() );
return config;
}
/**
* Create the connector
*
* @throws LdapException If the connector can't be created
*/
private void createConnector() throws LdapException
{
// Use only one thread inside the connector
connector = new NioSocketConnector( 1 );
if ( socketSessionConfig != null )
{
( ( SocketSessionConfig ) connector.getSessionConfig() ).setAll( socketSessionConfig );
}
else
{
( ( SocketSessionConfig ) connector.getSessionConfig() ).setReuseAddress( true );
}
// Add the codec to the chain
connector.getFilterChain().addLast( LDAP_CODEC_FILTER_KEY, ldapProtocolFilter );
// If we use SSL, we have to add the SslFilter to the chain
if ( config.isUseSsl() )
{
addSslFilter();
}
// Inject the protocolHandler
connector.setHandler( this );
}
//--------------------------- Helper methods ---------------------------//
/**
* {@inheritDoc}
*/
@Override
public boolean isConnected()
{
return ( ioSession != null ) && ioSession.isConnected() && !ioSession.isClosing();
}
/**
* {@inheritDoc}
*/
@Override
public boolean isAuthenticated()
{
return isConnected() && authenticated.get();
}
/**
* Tells if the connection is using a secured channel
*
* @return <tt>true</tt> if the session is using a secured channel
*/
public boolean isSecured()
{
return isConnected() && ioSession.isSecured();
}
/**
* {@inheritDoc}
*/
@Override
public Throwable exceptionCaught()
{
return ( Throwable ) ioSession.getAttribute( EXCEPTION_KEY );
}
/**
* Check that a session is valid, ie we can send requests to the
* server
*
* @throws InvalidConnectionException If the session is not valid
*/
private void checkSession() throws InvalidConnectionException
{
if ( ioSession == null )
{
throw new InvalidConnectionException( I18n.err( I18n.ERR_04104_NULL_CONNECTION_CANNOT_CONNECT ) );
}
if ( !isConnected() )
{
throw new InvalidConnectionException( I18n.err( I18n.ERR_04108_INVALID_CONNECTION ) );
}
}
private void addToFutureMap( int messageId, ResponseFuture<? extends Response> future )
{
if ( LOG.isDebugEnabled() )
{
LOG.debug( I18n.msg( I18n.MSG_04106_ADDING, messageId, future.getClass().getName() ) );
}
futureMap.put( messageId, future );
}
private ResponseFuture<? extends Response> getFromFutureMap( int messageId )
{
ResponseFuture<? extends Response> future = futureMap.remove( messageId );
if ( LOG.isDebugEnabled() && ( future != null ) )
{
LOG.debug( I18n.msg( I18n.MSG_04126_REMOVING, messageId, future.getClass().getName() ) );
}
return future;
}
private ResponseFuture<? extends Response> peekFromFutureMap( int messageId )
{
ResponseFuture<? extends Response> future = futureMap.get( messageId );
// future can be null if there was a abandon operation on that messageId
if ( LOG.isDebugEnabled() && ( future != null ) )
{
LOG.debug( I18n.msg( I18n.MSG_04119_GETTING, messageId, future.getClass().getName() ) );
}
return future;
}
/**
* Get the largest timeout from the search time limit and the connection
* timeout.
*
* @param configuredTimeout Timeout configured in LdapNetworkConnection
* @param searchTimeLimitInSeconds Search timeout
* @return The largest timeout
*/
public long getTimeout( long configuredTimeout, int searchTimeLimitInSeconds )
{
if ( searchTimeLimitInSeconds < 0 )
{
return configuredTimeout;
}
else if ( searchTimeLimitInSeconds == 0 )
{
if ( config.getTimeout() == 0 )
{
return Long.MAX_VALUE;
}
else
{
return configuredTimeout;
}
}
else
{
long searchTimeLimitInMS = searchTimeLimitInSeconds * 1000L;
return Math.max( searchTimeLimitInMS, configuredTimeout );
}
}
/**
* Process the connect.
*
* @exception LdapException If we weren't able to connect
* @return A Future that can be used to check the status of the connection
*/
public ConnectFuture tryConnect() throws LdapException
{
// Build the connection address
SocketAddress address = new InetSocketAddress( config.getLdapHost(), config.getLdapPort() );
ConnectFuture connectionFuture = connector.connect( address );
boolean result = false;
// Wait until it's established
try
{
result = connectionFuture.await( connectTimeout );
}
catch ( InterruptedException e )
{
connector.dispose();
connector = null;
if ( LOG.isDebugEnabled() )
{
LOG.debug( I18n.msg( I18n.MSG_04120_INTERRUPTED_WAITING_FOR_CONNECTION,
config.getLdapHost(),
config.getLdapPort() ), e );
}
throw new LdapOtherException( e.getMessage(), e );
}
if ( !result )
{
// It may be an exception, or a timeout
Throwable connectionException = connectionFuture.getException();
if ( ( connector != null ) && !connector.isDisposing() && !connector.isDisposed() )
{
connector.dispose();
}
connector = null;
if ( connectionException == null )
{
// This was a timeout
String message = I18n.msg( I18n.MSG_04177_CONNECTION_TIMEOUT, connectTimeout );
if ( LOG.isDebugEnabled() )
{
LOG.debug( message );
}
throw new LdapConnectionTimeOutException( message );
}
else
{
if ( LOG.isDebugEnabled() )
{
if ( ( connectionException instanceof ConnectException )
|| ( connectionException instanceof UnresolvedAddressException ) )
{
// No need to wait
// We know that there was a permanent error such as "connection refused".
LOG.debug( I18n.msg( I18n.MSG_04144_CONNECTION_ERROR, connectionFuture.getException().getMessage() ) );
}
LOG.debug( I18n.msg( I18n.MSG_04120_INTERRUPTED_WAITING_FOR_CONNECTION,
config.getLdapHost(),
config.getLdapPort() ), connectionException );
}
throw new LdapOtherException( connectionException.getMessage(), connectionException );
}
}
return connectionFuture;
}
/**
* Close the connection and generate the appropriate exception
*
* @exception LdapException If we weren't able to close the connection
*/
private void close( ConnectFuture connectionFuture ) throws LdapException
{
// disposing connector if not connected
close();
Throwable e = connectionFuture.getException();
if ( e != null )
{
// Special case for UnresolvedAddressException
// (most of the time no message is associated with this exception)
if ( ( e instanceof UnresolvedAddressException ) && ( e.getMessage() == null ) )
{
throw new InvalidConnectionException( I18n.err( I18n.ERR_04121_CANNOT_RESOLVE_HOSTNAME, config.getLdapHost() ), e );
}
// Default case
throw new InvalidConnectionException( I18n.err( I18n.ERR_04110_CANNOT_CONNECT_TO_SERVER, e.getMessage() ), e );
}
// We didn't received anything : this is an error
if ( LOG.isErrorEnabled() )
{
LOG.error( I18n.err( I18n.ERR_04112_OP_FAILED_TIMEOUT, "Connect" ) );
}
throw new LdapException( TIME_OUT_ERROR );
}
/**
* Verify that the connection has been secured, otherwise throw a meaningful exception
*
* @exception LdapException If we weren't able to check that the connection is secured
*/
private void checkSecured( ConnectFuture connectionFuture ) throws LdapException
{
try
{
boolean isSecured = handshakeFuture.get( connectTimeout, TimeUnit.MILLISECONDS );
if ( !isSecured )
{
// check for a specific cause
Throwable cause = connectionFuture.getException();
if ( cause == null && connectionFuture.getSession() != null )
{
cause = ( Throwable ) connectionFuture.getSession().getAttribute( EXCEPTION_KEY );
}
// Cancel the latch
connectionCloseFuture.complete( 0 );
// if there is no cause assume timeout
if ( cause == null )
{
throw new LdapException( TIME_OUT_ERROR );
}
throw new LdapTlsHandshakeException( I18n.err( I18n.ERR_04120_TLS_HANDSHAKE_ERROR ), cause );
}
}
catch ( Exception e )
{
if ( e instanceof LdapException )
{
throw ( LdapException ) e;
}
String msg = I18n.err( I18n.ERR_04122_SSL_CONTEXT_INIT_FAILURE );
LOG.error( msg, e );
throw new LdapException( msg, e );
}
}
/**
* Set a listener associated to the closeFuture
*
* @param connectionFuture A Future for which we want to set a listener
*/
private void setCloseListener( ConnectFuture connectionFuture )
{
// Get the close future for this session
CloseFuture closeFuture = connectionFuture.getSession().getCloseFuture();
closeFuture.addListener( future ->
{
// Process all the waiting operations and cancel them
if ( LOG.isDebugEnabled() )
{
LOG.debug( I18n.msg( I18n.MSG_04137_NOD_RECEIVED ) );
}
for ( ResponseFuture<?> responseFuture : futureMap.values() )
{
if ( LOG.isDebugEnabled() )
{
LOG.debug( I18n.msg( I18n.MSG_04137_NOD_RECEIVED ) );
}
responseFuture.cancel();
try
{
if ( responseFuture instanceof AddFuture )
{
( ( AddFuture ) responseFuture ).set( AddNoDResponse.PROTOCOLERROR );
}
else if ( responseFuture instanceof BindFuture )
{
( ( BindFuture ) responseFuture ).set( BindNoDResponse.PROTOCOLERROR );
}
else if ( responseFuture instanceof CompareFuture )
{
( ( CompareFuture ) responseFuture ).set( CompareNoDResponse.PROTOCOLERROR );
}
else if ( responseFuture instanceof DeleteFuture )
{
( ( DeleteFuture ) responseFuture ).set( DeleteNoDResponse.PROTOCOLERROR );
}
else if ( responseFuture instanceof ExtendedFuture )
{
( ( ExtendedFuture ) responseFuture ).set( ExtendedNoDResponse.PROTOCOLERROR );
}
else if ( responseFuture instanceof ModifyFuture )
{
( ( ModifyFuture ) responseFuture ).set( ModifyNoDResponse.PROTOCOLERROR );
}
else if ( responseFuture instanceof ModifyDnFuture )
{
( ( ModifyDnFuture ) responseFuture ).set( ModifyDnNoDResponse.PROTOCOLERROR );
}
else if ( responseFuture instanceof SearchFuture )
{
( ( SearchFuture ) responseFuture ).set( SearchNoDResponse.PROTOCOLERROR );
}
}
catch ( InterruptedException e )
{
LOG.error( I18n.err( I18n.ERR_04113_ERROR_PROCESSING_NOD, responseFuture ), e );
}
futureMap.remove( messageId.get() );
}
futureMap.clear();
} );
}
/**
* Set the BinaryDetector instance in the session
*/
private void setBinaryDetector()
{
@SuppressWarnings("unchecked")
LdapMessageContainer<? extends Message> container =
( LdapMessageContainer<? extends Message> ) ioSession
.getAttribute( LdapDecoder.MESSAGE_CONTAINER_ATTR );
if ( container != null )
{
if ( ( schemaManager != null ) && !( container.getBinaryAttributeDetector() instanceof SchemaBinaryAttributeDetector ) )
{
container.setBinaryAttributeDetector( new SchemaBinaryAttributeDetector( schemaManager ) );
}
}
else
{
BinaryAttributeDetector atDetector = new DefaultConfigurableBinaryAttributeDetector();
if ( schemaManager != null )
{
atDetector = new SchemaBinaryAttributeDetector( schemaManager );
}
ioSession.setAttribute( LdapDecoder.MESSAGE_CONTAINER_ATTR,
new LdapMessageContainer<Message>( codec, atDetector ) );
}
}
//-------------------------- The methods ---------------------------//
/**
* {@inheritDoc}
*/
@Override
public boolean connect() throws LdapException
{
if ( isConnected() )
{
// No need to connect if we already have a connected session
return true;
}
try
{
// Create the connector if needed
if ( connector == null )
{
createConnector();
}
// And create the connection future
ConnectFuture connectionFuture = tryConnect();
// Check if we are good to go
if ( !connectionFuture.isConnected() )
{
// Release the latch
connectionCloseFuture.cancel( true );