1
|
/**
|
2
|
* '$RCSfile$'
|
3
|
* Purpose: An implementation of the AuthInterface interface that
|
4
|
* allows Metacat to use the LDAP protocol for
|
5
|
* directory services
|
6
|
* Copyright: 2000 Regents of the University of California and the
|
7
|
* National Center for Ecological Analysis and Synthesis
|
8
|
* Authors: Matt Jones
|
9
|
* Release: @release@
|
10
|
*
|
11
|
* '$Author: tao $'
|
12
|
* '$Date: 2003-03-19 15:11:10 -0800 (Wed, 19 Mar 2003) $'
|
13
|
* '$Revision: 1494 $'
|
14
|
*
|
15
|
* This program is free software; you can redistribute it and/or modify
|
16
|
* it under the terms of the GNU General Public License as published by
|
17
|
* the Free Software Foundation; either version 2 of the License, or
|
18
|
* (at your option) any later version.
|
19
|
*
|
20
|
* This program is distributed in the hope that it will be useful,
|
21
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
22
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
23
|
* GNU General Public License for more details.
|
24
|
*
|
25
|
* You should have received a copy of the GNU General Public License
|
26
|
* along with this program; if not, write to the Free Software
|
27
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
28
|
*/
|
29
|
|
30
|
package edu.ucsb.nceas.metacat;
|
31
|
|
32
|
import java.net.ConnectException;
|
33
|
import javax.naming.AuthenticationException;
|
34
|
import javax.naming.Context;
|
35
|
import javax.naming.NamingEnumeration;
|
36
|
import javax.naming.NamingException;
|
37
|
import javax.naming.SizeLimitExceededException;
|
38
|
import javax.naming.InitialContext;
|
39
|
import javax.naming.directory.InvalidSearchFilterException;
|
40
|
import javax.naming.directory.Attribute;
|
41
|
import javax.naming.directory.Attributes;
|
42
|
import javax.naming.directory.BasicAttribute;
|
43
|
import javax.naming.directory.BasicAttributes;
|
44
|
import javax.naming.directory.DirContext;
|
45
|
import javax.naming.directory.InitialDirContext;
|
46
|
import javax.naming.directory.SearchResult;
|
47
|
import javax.naming.directory.SearchControls;
|
48
|
import javax.naming.ReferralException;
|
49
|
import javax.naming.ldap.*;
|
50
|
import java.util.Iterator;
|
51
|
import java.util.HashMap;
|
52
|
import java.util.Hashtable;
|
53
|
import java.util.Enumeration;
|
54
|
import java.util.Set;
|
55
|
import java.util.Vector;
|
56
|
|
57
|
/**
|
58
|
* An implementation of the AuthInterface interface that
|
59
|
* allows Metacat to use the LDAP protocol for directory services.
|
60
|
* The LDAP authentication service is used to determine if a user
|
61
|
* is authenticated, and whether they are a member of a particular group.
|
62
|
*/
|
63
|
public class AuthLdap implements AuthInterface, Runnable {
|
64
|
private MetaCatUtil util = new MetaCatUtil();
|
65
|
private String ldapUrl;
|
66
|
private String ldapsUrl;
|
67
|
private String ldapBase;
|
68
|
private String referral;
|
69
|
private Context referralContext;
|
70
|
Hashtable env = new Hashtable(11);
|
71
|
private Context rContext;
|
72
|
private String userName;
|
73
|
private String userPassword;
|
74
|
ReferralException refExc;
|
75
|
String uid=null;
|
76
|
|
77
|
/**
|
78
|
* Construct an AuthLdap
|
79
|
*/
|
80
|
public AuthLdap() {
|
81
|
// Read LDAP URI for directory service information
|
82
|
this.ldapUrl = MetaCatUtil.getOption("ldapurl");
|
83
|
this.ldapsUrl = MetaCatUtil.getOption("ldapsurl");
|
84
|
this.ldapBase = MetaCatUtil.getOption("ldapbase");
|
85
|
this.referral = MetaCatUtil.getOption("referral");
|
86
|
}
|
87
|
|
88
|
/**
|
89
|
* Determine if a user/password are valid according to the authentication
|
90
|
* service.
|
91
|
*
|
92
|
* @param user the name of the principal to authenticate
|
93
|
* @param password the password to use for authentication
|
94
|
* @returns boolean true if authentication successful, false otherwise
|
95
|
*/
|
96
|
public boolean authenticate(String user, String password)
|
97
|
throws ConnectException
|
98
|
{
|
99
|
String ldapUrl = this.ldapUrl;
|
100
|
String ldapsUrl = this.ldapsUrl;
|
101
|
String ldapBase = this.ldapBase;
|
102
|
boolean authenticated = false;
|
103
|
String identifier = user;
|
104
|
//get uid here.
|
105
|
uid=user.substring(0, user.indexOf(","));
|
106
|
|
107
|
try {
|
108
|
// Check the usename as passed in
|
109
|
authenticated = ldapAuthenticate(identifier, password);
|
110
|
// if not found, try looking up a valid DN then auth again
|
111
|
if (!authenticated) {
|
112
|
MetaCatUtil.debugMessage("Looking up DN for: " + identifier, 35);
|
113
|
identifier = getIdentifyingName(identifier,ldapUrl,ldapBase);
|
114
|
//System.out.println("identifier: "+identifier);
|
115
|
String refUrl = "";
|
116
|
String refBase = "";
|
117
|
if (identifier.startsWith("ldap")) {
|
118
|
refUrl = identifier.substring(0,
|
119
|
identifier.lastIndexOf("/")+1);
|
120
|
MetaCatUtil.debugMessage("Ref ldapUrl: " + refUrl, 35);
|
121
|
int position = identifier.indexOf(",");
|
122
|
int position2 = identifier.indexOf(",", position+1);
|
123
|
refBase = identifier.substring(position2+1);
|
124
|
MetaCatUtil.debugMessage("Ref ldapBase: " + refBase, 35);
|
125
|
identifier = identifier.substring(
|
126
|
identifier.lastIndexOf("/")+1);
|
127
|
MetaCatUtil.debugMessage("Trying: " + identifier, 35);
|
128
|
authenticated = ldapAuthenticate(identifier, password,
|
129
|
refUrl, refBase);
|
130
|
} else {
|
131
|
identifier = identifier+","+ldapBase;
|
132
|
MetaCatUtil.debugMessage("Trying: " + identifier, 35);
|
133
|
authenticated = ldapAuthenticate(identifier, password);
|
134
|
}
|
135
|
//authenticated = ldapAuthenticate(identifier, password);
|
136
|
}
|
137
|
|
138
|
} catch (NullPointerException e) {
|
139
|
util.debugMessage("NullPointerException b' password is null", 30);
|
140
|
util.debugMessage("NullPointerException while authenticating in " +
|
141
|
"AuthLdap.authenticate: " + e, 30);
|
142
|
throw new ConnectException(
|
143
|
"NullPointerException while authenticating in " +
|
144
|
"AuthLdap.authenticate: " + e);
|
145
|
} catch (NamingException e) {
|
146
|
util.debugMessage("Naming exception while authenticating in " +
|
147
|
"AuthLdap.authenticate: " + e, 30);
|
148
|
e.printStackTrace();
|
149
|
} catch (Exception e) {
|
150
|
util.debugMessage(e.getMessage(), 30);
|
151
|
}
|
152
|
return authenticated;
|
153
|
}
|
154
|
|
155
|
/**
|
156
|
* Connect to the LDAP directory and do the authentication using the
|
157
|
* username and password as passed into the routine.
|
158
|
*
|
159
|
* @param identifier the distinguished name to check against LDAP
|
160
|
* @param password the password for authentication
|
161
|
*/
|
162
|
private boolean ldapAuthenticate(String identifier, String password)
|
163
|
throws ConnectException, NamingException, NullPointerException
|
164
|
{
|
165
|
return ldapAuthenticate(identifier, password,
|
166
|
this.ldapsUrl, this.ldapBase);
|
167
|
}
|
168
|
|
169
|
/**
|
170
|
* Connect to the LDAP directory and do the authentication using the
|
171
|
* username and password as passed into the routine.
|
172
|
*
|
173
|
* @param identifier the distinguished name to check against LDAP
|
174
|
* @param password the password for authentication
|
175
|
*/
|
176
|
private boolean ldapAuthenticate(String identifier, String password,
|
177
|
String directoryUrl, String searchBase)
|
178
|
throws ConnectException, NamingException, NullPointerException
|
179
|
{
|
180
|
double totStartTime = System.currentTimeMillis();
|
181
|
boolean authenticated = false;
|
182
|
if (identifier != null && !password.equals(""))
|
183
|
{
|
184
|
|
185
|
//Pass the username and password to run() method
|
186
|
userName=identifier;
|
187
|
userPassword=password;
|
188
|
// Identify service provider to use
|
189
|
Hashtable env = new Hashtable(11);
|
190
|
env.put(Context.INITIAL_CONTEXT_FACTORY,
|
191
|
"com.sun.jndi.ldap.LdapCtxFactory");
|
192
|
env.put(Context.REFERRAL, "throw");
|
193
|
env.put(Context.PROVIDER_URL, directoryUrl + searchBase);
|
194
|
if ( !ldapsUrl.equals(ldapUrl) )
|
195
|
{
|
196
|
// ldap is set on default port 389
|
197
|
// ldaps is set on second port - 636 by default
|
198
|
//env.put(Context.SECURITY_PROTOCOL, "ssl");
|
199
|
}
|
200
|
env.put(Context.SECURITY_AUTHENTICATION, "simple");
|
201
|
env.put(Context.SECURITY_PRINCIPAL, identifier);
|
202
|
env.put(Context.SECURITY_CREDENTIALS, password);
|
203
|
// If our auth credentials are invalid, an exception will be thrown
|
204
|
DirContext ctx = null;
|
205
|
try
|
206
|
{
|
207
|
double startTime = System.currentTimeMillis();
|
208
|
//Here to check the autheration
|
209
|
ctx = new InitialDirContext(env);
|
210
|
double stopTime = System.currentTimeMillis();
|
211
|
util.debugMessage("Connection time thru " + ldapsUrl + " was: " +
|
212
|
(stopTime-startTime)/1000 + " seconds.", 35);
|
213
|
authenticated = true;
|
214
|
//tls.close();
|
215
|
ctx.close();
|
216
|
this.ldapUrl = ldapUrl;
|
217
|
this.ldapBase = ldapBase;
|
218
|
//break;
|
219
|
}
|
220
|
catch (AuthenticationException ae)
|
221
|
{
|
222
|
authenticated = false;
|
223
|
if ( ctx != null )
|
224
|
{
|
225
|
ctx.close();
|
226
|
}
|
227
|
}
|
228
|
catch (javax.naming.InvalidNameException ine)
|
229
|
{
|
230
|
util.debugMessage("An invalid DN was provided!", 30);
|
231
|
}
|
232
|
catch (javax.naming.ReferralException re)
|
233
|
{
|
234
|
util.debugMessage("referral during authentication", 30);
|
235
|
util.debugMessage("Referral information: "+re.getReferralInfo(), 30);
|
236
|
try
|
237
|
{
|
238
|
refExc = re;
|
239
|
|
240
|
Thread t = new Thread(this);
|
241
|
t.start();
|
242
|
Thread.sleep(5000); //this is a manual override of ldap's
|
243
|
//hideously long time out period.
|
244
|
util.debugMessage("Awake after 5 seconds.", 35);
|
245
|
if (referralContext == null)
|
246
|
{
|
247
|
t.interrupt();
|
248
|
authenticated = false;
|
249
|
}
|
250
|
else
|
251
|
{
|
252
|
authenticated = true;
|
253
|
|
254
|
}
|
255
|
}
|
256
|
catch (Exception e)
|
257
|
{
|
258
|
authenticated = false;
|
259
|
}
|
260
|
}
|
261
|
}
|
262
|
else
|
263
|
{
|
264
|
util.debugMessage("User not found", 30);
|
265
|
}
|
266
|
double totStopTime = System.currentTimeMillis();
|
267
|
util.debugMessage("total ldap authentication time: " +
|
268
|
(totStopTime - totStartTime)/1000 + " seconds", 35);
|
269
|
return authenticated;
|
270
|
}
|
271
|
|
272
|
|
273
|
|
274
|
/**
|
275
|
* Get the identifying name for a given userid or name. This is the name
|
276
|
* that is used in conjunction withthe LDAP BaseDN to create a
|
277
|
* distinguished name (dn) for the record
|
278
|
*
|
279
|
* @param user the user for which the identifying name is requested
|
280
|
* @returns String the identifying name for the user,
|
281
|
* or null if not found
|
282
|
*/
|
283
|
private String getIdentifyingName(String user, String ldapUrl,
|
284
|
String ldapBase) throws NamingException
|
285
|
{
|
286
|
String identifier = null;
|
287
|
// Identify service provider to use
|
288
|
Hashtable env = new Hashtable(11);
|
289
|
env.put(Context.INITIAL_CONTEXT_FACTORY,
|
290
|
"com.sun.jndi.ldap.LdapCtxFactory");
|
291
|
util.debugMessage("setting referrals to: " + referral, 35);
|
292
|
env.put(Context.REFERRAL, referral);
|
293
|
env.put(Context.PROVIDER_URL, ldapUrl + ldapBase);
|
294
|
// non-secure LDAP context; dn are publicly readable
|
295
|
try {
|
296
|
|
297
|
// Bind to the LDAP server, in order to search for the right
|
298
|
// distinguished name (dn) based on userid (uid) or common name (cn)
|
299
|
DirContext ctx = new InitialDirContext(env);
|
300
|
SearchControls ctls = new SearchControls();
|
301
|
ctls.setSearchScope(SearchControls.SUBTREE_SCOPE);
|
302
|
// Search for the user id or name using the uid, then cn and sn
|
303
|
//attributes
|
304
|
// If we find a record, determine the dn for the record
|
305
|
// The following blocks need to be refactored into a subroutine
|
306
|
// they have a ridiculous amount of redundancy
|
307
|
|
308
|
// Parse out the uid and org components and look up the real DN
|
309
|
// This assumes a dn like "uid=x,o=y,dc=someinst,dc=org"
|
310
|
int position = user.indexOf(",");
|
311
|
String comp1 = user.substring(0, position);
|
312
|
MetaCatUtil.debugMessage("First comp is: " + comp1, 35);
|
313
|
String comp2 = user.substring(position+1,
|
314
|
user.indexOf(",", position+1));
|
315
|
MetaCatUtil.debugMessage("Second comp is: " + comp2, 35);
|
316
|
|
317
|
String filter = "(&(" + comp1 + ")(" + comp2 + "))";
|
318
|
MetaCatUtil.debugMessage("Filter is: " + filter, 35);
|
319
|
MetaCatUtil.debugMessage("Provider URL is: " + ldapUrl + ldapBase, 35);
|
320
|
NamingEnumeration answer;
|
321
|
try {
|
322
|
answer = ctx.search("", filter, ctls);
|
323
|
if (answer.hasMore()) {
|
324
|
SearchResult sr = (SearchResult)answer.next();
|
325
|
identifier = sr.getName();
|
326
|
util.debugMessage("Originally Found: " + identifier, 35);
|
327
|
return identifier;
|
328
|
}
|
329
|
} catch (InvalidSearchFilterException e) {}
|
330
|
|
331
|
// That failed, so check if it is just a username
|
332
|
filter = "(" + user + ")";
|
333
|
try {
|
334
|
answer = ctx.search("", filter, ctls);
|
335
|
if (answer.hasMore()) {
|
336
|
SearchResult sr = (SearchResult)answer.next();
|
337
|
identifier = sr.getName();
|
338
|
if ( !sr.isRelative() ) {
|
339
|
this.ldapUrl = identifier.substring(0,
|
340
|
identifier.lastIndexOf("/")+1);
|
341
|
this.ldapBase = identifier.substring(identifier.indexOf(",")+1);
|
342
|
identifier = identifier.substring(identifier.lastIndexOf("/")+1,
|
343
|
identifier.indexOf(","));
|
344
|
}
|
345
|
util.debugMessage("Found: " + identifier, 35);
|
346
|
return identifier;
|
347
|
}
|
348
|
} catch (InvalidSearchFilterException e) {}
|
349
|
|
350
|
// Maybe its a user id (uid)
|
351
|
filter = "(uid=" + user + ")";
|
352
|
answer = ctx.search("", filter, ctls);
|
353
|
if (answer.hasMore()) {
|
354
|
SearchResult sr = (SearchResult)answer.next();
|
355
|
identifier = sr.getName();
|
356
|
if ( !sr.isRelative() ) {
|
357
|
this.ldapUrl = identifier.substring(0,identifier.lastIndexOf("/")+1);
|
358
|
this.ldapBase = identifier.substring(identifier.indexOf(",")+1);
|
359
|
identifier = identifier.substring(identifier.lastIndexOf("/")+1,
|
360
|
identifier.indexOf(","));
|
361
|
}
|
362
|
util.debugMessage("Found: " + identifier, 35);
|
363
|
} else {
|
364
|
|
365
|
// maybe its just a common name
|
366
|
filter = "(cn=" + user + ")";
|
367
|
NamingEnumeration answer2 = ctx.search("", filter, ctls);
|
368
|
if (answer2.hasMore()) {
|
369
|
SearchResult sr = (SearchResult)answer2.next();
|
370
|
identifier = sr.getName();
|
371
|
if ( !sr.isRelative() ) {
|
372
|
this.ldapUrl = identifier.substring(0,
|
373
|
identifier.lastIndexOf("/")+1);
|
374
|
this.ldapBase = identifier.substring(identifier.indexOf(",")+1);
|
375
|
identifier = identifier.substring(identifier.lastIndexOf("/")+1,
|
376
|
identifier.indexOf(","));
|
377
|
}
|
378
|
util.debugMessage("Found: " + identifier, 35);
|
379
|
} else {
|
380
|
|
381
|
// ok, last resort, is it a surname?
|
382
|
filter = "(sn=" + user + ")";
|
383
|
NamingEnumeration answer3 = ctx.search("", filter, ctls);
|
384
|
if (answer3.hasMore()) {
|
385
|
SearchResult sr = (SearchResult)answer3.next();
|
386
|
identifier = sr.getName();
|
387
|
if ( !sr.isRelative() ) {
|
388
|
this.ldapUrl = identifier.substring(0,
|
389
|
identifier.lastIndexOf("/")+1);
|
390
|
this.ldapBase = identifier.substring(identifier.indexOf(",")+1);
|
391
|
identifier = identifier.substring(identifier.lastIndexOf("/")+1,
|
392
|
identifier.indexOf(","));
|
393
|
}
|
394
|
util.debugMessage("Found: " + identifier, 35);
|
395
|
}
|
396
|
}
|
397
|
}
|
398
|
// Close the context when we're done the initial search
|
399
|
ctx.close();
|
400
|
} catch (NamingException e) {
|
401
|
util.debugMessage("Naming exception while getting dn: " + e, 35);
|
402
|
throw new NamingException(
|
403
|
"Naming exception in AuthLdap.getIdentifyingName: " + e);
|
404
|
}
|
405
|
return identifier;
|
406
|
}
|
407
|
|
408
|
/**
|
409
|
* Get all users from the authentication service
|
410
|
*
|
411
|
* @param user the user for authenticating against the service
|
412
|
* @param password the password for authenticating against the service
|
413
|
* @returns string array of all of the user names
|
414
|
*/
|
415
|
public String[] getUsers(String user, String password)
|
416
|
throws ConnectException
|
417
|
{
|
418
|
String[] users = null;
|
419
|
|
420
|
// Identify service provider to use
|
421
|
Hashtable env = new Hashtable(11);
|
422
|
env.put(Context.INITIAL_CONTEXT_FACTORY,
|
423
|
"com.sun.jndi.ldap.LdapCtxFactory");
|
424
|
env.put(Context.REFERRAL, referral);
|
425
|
env.put(Context.PROVIDER_URL, ldapUrl);
|
426
|
|
427
|
try {
|
428
|
|
429
|
// Create the initial directory context
|
430
|
DirContext ctx = new InitialDirContext(env);
|
431
|
|
432
|
// Specify the attributes to match.
|
433
|
// Users are objects that have the attribute objectclass=InetOrgPerson.
|
434
|
SearchControls ctls = new SearchControls();
|
435
|
String[] attrIDs = {"dn"};
|
436
|
ctls.setReturningAttributes(attrIDs);
|
437
|
ctls.setSearchScope(SearchControls.SUBTREE_SCOPE);
|
438
|
//ctls.setCountLimit(1000);
|
439
|
String filter = "(objectClass=inetOrgPerson)";
|
440
|
NamingEnumeration enum = ctx.search(ldapBase, filter, ctls);
|
441
|
|
442
|
// Store the users in a vector
|
443
|
Vector uvec = new Vector();
|
444
|
try {
|
445
|
while (enum.hasMore()) {
|
446
|
SearchResult sr = (SearchResult)enum.next();
|
447
|
uvec.add(sr.getName()+","+ldapBase);
|
448
|
}
|
449
|
} catch (SizeLimitExceededException slee) {
|
450
|
util.debugMessage("LDAP Server size limit exceeded. " +
|
451
|
"Returning incomplete record set.", 35);
|
452
|
}
|
453
|
|
454
|
// initialize users[]; fill users[]
|
455
|
users = new String[uvec.size()];
|
456
|
for (int i=0; i < uvec.size(); i++) {
|
457
|
users[i] = (String)uvec.elementAt(i);
|
458
|
}
|
459
|
|
460
|
// Close the context when we're done
|
461
|
ctx.close();
|
462
|
|
463
|
} catch (NamingException e) {
|
464
|
util.debugMessage("Problem getting users in AuthLdap.getUsers:" + e, 35);
|
465
|
//e.printStackTrace(System.err);
|
466
|
throw new ConnectException(
|
467
|
"Problem getting users in AuthLdap.getUsers:" + e);
|
468
|
}
|
469
|
|
470
|
return users;
|
471
|
}
|
472
|
|
473
|
/**
|
474
|
* Get the users for a particular group from the authentication service
|
475
|
*
|
476
|
* @param user the user for authenticating against the service
|
477
|
* @param password the password for authenticating against the service
|
478
|
* @param group the group whose user list should be returned
|
479
|
* @returns string array of the user names belonging to the group
|
480
|
*/
|
481
|
public String[] getUsers(String user, String password, String group)
|
482
|
throws ConnectException
|
483
|
{
|
484
|
String[] users = null;
|
485
|
|
486
|
// Identify service provider to use
|
487
|
Hashtable env = new Hashtable(11);
|
488
|
env.put(Context.INITIAL_CONTEXT_FACTORY,
|
489
|
"com.sun.jndi.ldap.LdapCtxFactory");
|
490
|
env.put(Context.REFERRAL, referral);
|
491
|
env.put(Context.PROVIDER_URL, ldapUrl);
|
492
|
|
493
|
try {
|
494
|
|
495
|
// Create the initial directory context
|
496
|
DirContext ctx = new InitialDirContext(env);
|
497
|
|
498
|
// Specify the ids of the attributes to return
|
499
|
String[] attrIDs = {"uniqueMember"};
|
500
|
|
501
|
Attributes answer = ctx.getAttributes(group, attrIDs);
|
502
|
|
503
|
Vector uvec = new Vector();
|
504
|
try {
|
505
|
for (NamingEnumeration ae = answer.getAll(); ae.hasMore();) {
|
506
|
Attribute attr = (Attribute)ae.next();
|
507
|
for (NamingEnumeration e = attr.getAll();
|
508
|
e.hasMore();
|
509
|
uvec.add(e.next())
|
510
|
);
|
511
|
}
|
512
|
} catch (SizeLimitExceededException slee) {
|
513
|
util.debugMessage("LDAP Server size limit exceeded. " +
|
514
|
"Returning incomplete record set.", 35);
|
515
|
}
|
516
|
|
517
|
// initialize users[]; fill users[]
|
518
|
users = new String[uvec.size()];
|
519
|
for (int i=0; i < uvec.size(); i++) {
|
520
|
users[i] = (String)uvec.elementAt(i);
|
521
|
}
|
522
|
|
523
|
// Close the context when we're done
|
524
|
ctx.close();
|
525
|
|
526
|
} catch (NamingException e) {
|
527
|
util.debugMessage("Problem getting users for a group in " +
|
528
|
"AuthLdap.getUsers:" + e, 30);
|
529
|
throw new ConnectException(
|
530
|
"Problem getting users for a group in AuthLdap.getUsers:" + e);
|
531
|
}
|
532
|
|
533
|
return users;
|
534
|
}
|
535
|
|
536
|
/**
|
537
|
* Get all groups from the authentication service
|
538
|
*
|
539
|
* @param user the user for authenticating against the service
|
540
|
* @param password the password for authenticating against the service
|
541
|
* @returns string array of the group names
|
542
|
*/
|
543
|
public String[] getGroups(String user, String password)
|
544
|
throws ConnectException
|
545
|
{
|
546
|
return getGroups(user, password, null);
|
547
|
}
|
548
|
|
549
|
/**
|
550
|
* Get the groups for a particular user from the authentication service
|
551
|
*
|
552
|
* @param user the user for authenticating against the service
|
553
|
* @param password the password for authenticating against the service
|
554
|
* @param foruser the user whose group list should be returned
|
555
|
* @returns string array of the group names
|
556
|
*/
|
557
|
public String[] getGroups(String user, String password, String foruser)
|
558
|
throws ConnectException
|
559
|
{
|
560
|
Vector uvec = new Vector();
|
561
|
//Pass the username and password to run() method
|
562
|
userName=user;
|
563
|
userPassword=password;
|
564
|
// Identify service provider to use
|
565
|
env.put(Context.INITIAL_CONTEXT_FACTORY,
|
566
|
"com.sun.jndi.ldap.LdapCtxFactory");
|
567
|
env.put(Context.REFERRAL, "throw");
|
568
|
env.put(Context.PROVIDER_URL, ldapUrl);
|
569
|
try {
|
570
|
// Create the initial directory context
|
571
|
DirContext ctx = new InitialDirContext(env);
|
572
|
// Specify the ids of the attributes to return
|
573
|
String[] attrIDs = {"cn"};
|
574
|
// Specify the attributes to match.
|
575
|
// Groups are objects with attribute objectclass=groupofuniquenames.
|
576
|
// and have attribute uniquemember: uid=foruser,ldapbase.
|
577
|
SearchControls ctls = new SearchControls();
|
578
|
ctls.setReturningAttributes(attrIDs);
|
579
|
ctls.setSearchScope(SearchControls.SUBTREE_SCOPE);
|
580
|
|
581
|
String filter = null;
|
582
|
String gfilter = "(objectClass=groupOfUniqueNames)";
|
583
|
if (null == foruser) {
|
584
|
filter = gfilter;
|
585
|
} else {
|
586
|
filter = "(& " + gfilter + "(uniqueMember=" + foruser + "))";
|
587
|
}
|
588
|
MetaCatUtil.debugMessage("searching for groups: " + filter, 35);
|
589
|
NamingEnumeration enum = ctx.search(ldapBase, filter, ctls);
|
590
|
|
591
|
// Print the groups
|
592
|
MetaCatUtil.debugMessage("getting group results.", 50);
|
593
|
while (enum.hasMore()) {
|
594
|
SearchResult sr = (SearchResult)enum.next();
|
595
|
uvec.add(sr.getName()+","+ldapBase);
|
596
|
MetaCatUtil.debugMessage("group " + sr.getName() +
|
597
|
" added to Group vector", 35);
|
598
|
}
|
599
|
// Close the context when we're done
|
600
|
ctx.close();
|
601
|
|
602
|
}
|
603
|
catch (ReferralException re)
|
604
|
{
|
605
|
refExc = re;
|
606
|
Thread t = new Thread(new GetGroup());
|
607
|
util.debugMessage("Starting thread...", 50);
|
608
|
t.start();
|
609
|
util.debugMessage("sleeping for 5 seconds.", 50);
|
610
|
try
|
611
|
{
|
612
|
Thread.sleep(5000);
|
613
|
}
|
614
|
catch(InterruptedException ie)
|
615
|
{
|
616
|
MetaCatUtil.debugMessage("main thread interrupted: " + ie.getMessage(), 30);
|
617
|
}
|
618
|
//this is a manual override of jndi's hideously long time
|
619
|
//out period.
|
620
|
util.debugMessage("Awake after 5 seconds.", 40);
|
621
|
if (referralContext == null)
|
622
|
{
|
623
|
util.debugMessage("thread timed out...returning groups: " + uvec.toString(), 35);
|
624
|
String groups[] = new String[uvec.size()];
|
625
|
for(int i=0; i<uvec.size(); i++)
|
626
|
{
|
627
|
groups[i] = (String)uvec.elementAt(i);
|
628
|
}
|
629
|
t.interrupt();
|
630
|
return groups;
|
631
|
}
|
632
|
DirContext dc = (DirContext)referralContext;
|
633
|
String[] attrIDs = {"cn"};
|
634
|
// Specify the attributes to match.
|
635
|
// Groups are objects with attribute objectclass=groupofuniquenames.
|
636
|
// and have attribute uniquemember: uid=foruser,ldapbase.
|
637
|
SearchControls ctls = new SearchControls();
|
638
|
ctls.setReturningAttributes(attrIDs);
|
639
|
ctls.setSearchScope(SearchControls.SUBTREE_SCOPE);
|
640
|
|
641
|
String filter = null;
|
642
|
String gfilter = "(objectClass=groupOfUniqueNames)";
|
643
|
if (null == foruser) {
|
644
|
filter = gfilter;
|
645
|
} else {
|
646
|
filter = "(& " + gfilter + "(uniqueMember=" + foruser + "))";
|
647
|
}
|
648
|
|
649
|
try
|
650
|
{
|
651
|
NamingEnumeration enum = dc.search(ldapBase, filter, ctls);
|
652
|
// Print the groups
|
653
|
while (enum.hasMore()) {
|
654
|
SearchResult sr = (SearchResult)enum.next();
|
655
|
uvec.add(sr.getName()+","+ldapBase);
|
656
|
}
|
657
|
|
658
|
referralContext.close();
|
659
|
dc.close();
|
660
|
}
|
661
|
catch(NamingException ne)
|
662
|
{
|
663
|
MetaCatUtil.debugMessage("Naming Exception in AuthLdap.getGroups", 30);
|
664
|
}
|
665
|
} catch (NamingException e) {
|
666
|
e.printStackTrace(System.err);
|
667
|
String groups[] = new String[uvec.size()];
|
668
|
for(int i=0; i<uvec.size(); i++)
|
669
|
{
|
670
|
groups[i] = (String)uvec.elementAt(i);
|
671
|
}
|
672
|
return groups;
|
673
|
/*throw new ConnectException(
|
674
|
"Problem getting groups for a user in AuthLdap.getGroups:" + e);*/
|
675
|
}
|
676
|
|
677
|
MetaCatUtil.debugMessage("The user is in the following groups: " +
|
678
|
uvec.toString(), 35);
|
679
|
String groups[] = new String[uvec.size()];
|
680
|
for(int i=0; i<uvec.size(); i++)
|
681
|
{
|
682
|
groups[i] = (String)uvec.elementAt(i);
|
683
|
}
|
684
|
return groups;
|
685
|
}
|
686
|
|
687
|
/**
|
688
|
* Get attributes describing a user or group
|
689
|
*
|
690
|
* @param foruser the user for which the attribute list is requested
|
691
|
* @returns HashMap a map of attribute name to a Vector of values
|
692
|
*/
|
693
|
public HashMap getAttributes(String foruser)
|
694
|
throws ConnectException
|
695
|
{
|
696
|
return getAttributes(null, null, foruser);
|
697
|
}
|
698
|
|
699
|
/**
|
700
|
* Get attributes describing a user or group
|
701
|
*
|
702
|
* @param user the user for authenticating against the service
|
703
|
* @param password the password for authenticating against the service
|
704
|
* @param foruser the user whose attributes should be returned
|
705
|
* @returns HashMap a map of attribute name to a Vector of values
|
706
|
*/
|
707
|
public HashMap getAttributes(String user, String password, String foruser)
|
708
|
throws ConnectException
|
709
|
{
|
710
|
HashMap attributes = new HashMap();
|
711
|
String ldapUrl = this.ldapUrl;
|
712
|
String ldapBase = this.ldapBase;
|
713
|
String userident = foruser;
|
714
|
|
715
|
// Identify service provider to use
|
716
|
Hashtable env = new Hashtable(11);
|
717
|
env.put(Context.INITIAL_CONTEXT_FACTORY,
|
718
|
"com.sun.jndi.ldap.LdapCtxFactory");
|
719
|
env.put(Context.REFERRAL, referral);
|
720
|
env.put(Context.PROVIDER_URL, ldapUrl);
|
721
|
|
722
|
try {
|
723
|
|
724
|
// Create the initial directory context
|
725
|
DirContext ctx = new InitialDirContext(env);
|
726
|
|
727
|
// Ask for all attributes of the user
|
728
|
//Attributes attrs = ctx.getAttributes(userident);
|
729
|
Attributes attrs = ctx.getAttributes(foruser);
|
730
|
|
731
|
// Print all of the attributes
|
732
|
NamingEnumeration en = attrs.getAll();
|
733
|
while (en.hasMore()) {
|
734
|
Attribute att = (Attribute)en.next();
|
735
|
Vector values = new Vector();
|
736
|
String attName = att.getID();
|
737
|
NamingEnumeration attvalues = att.getAll();
|
738
|
while (attvalues.hasMore()) {
|
739
|
String value = (String)attvalues.next();
|
740
|
values.add(value);
|
741
|
}
|
742
|
attributes.put(attName, values);
|
743
|
}
|
744
|
|
745
|
// Close the context when we're done
|
746
|
ctx.close();
|
747
|
} catch (NamingException e) {
|
748
|
util.debugMessage("Problem getting attributes in " +
|
749
|
"AuthLdap.getAttributes:" + e, 35);
|
750
|
throw new ConnectException(
|
751
|
"Problem getting attributes in AuthLdap.getAttributes:" + e);
|
752
|
}
|
753
|
|
754
|
return attributes;
|
755
|
}
|
756
|
|
757
|
/**
|
758
|
* Get list of all subtrees holding Metacat's groups and users
|
759
|
* starting from the Metacat LDAP root,
|
760
|
* i.e. ldap://dev.nceas.ucsb.edu/dc=ecoinformatics,dc=org
|
761
|
*/
|
762
|
private Hashtable getSubtrees(String user, String password,
|
763
|
String ldapUrl, String ldapBase)
|
764
|
throws ConnectException
|
765
|
{
|
766
|
Hashtable trees = new Hashtable();
|
767
|
|
768
|
// Identify service provider to use
|
769
|
Hashtable env = new Hashtable(11);
|
770
|
env.put(Context.INITIAL_CONTEXT_FACTORY,
|
771
|
"com.sun.jndi.ldap.LdapCtxFactory");
|
772
|
env.put(Context.REFERRAL, referral);
|
773
|
env.put(Context.PROVIDER_URL, ldapUrl + ldapBase);
|
774
|
|
775
|
try {
|
776
|
|
777
|
// Create the initial directory context
|
778
|
DirContext ctx = new InitialDirContext(env);
|
779
|
|
780
|
// Specify the ids of the attributes to return
|
781
|
String[] attrIDs = {"o","ref"};
|
782
|
SearchControls ctls = new SearchControls();
|
783
|
ctls.setReturningAttributes(attrIDs);
|
784
|
ctls.setSearchScope(SearchControls.SUBTREE_SCOPE);
|
785
|
|
786
|
// Specify the attributes to match.
|
787
|
// Subtrees from the main server are found as objects with attribute
|
788
|
// objectclass=organization or objectclass=referral to the subtree
|
789
|
// resided on other server.
|
790
|
String filter = "(|(objectclass=organization)(objectclass=referral))";
|
791
|
|
792
|
// Search for objects in the current context
|
793
|
NamingEnumeration enum = ctx.search("", filter, ctls);
|
794
|
|
795
|
// Print the subtrees' <ldapURL, baseDN>
|
796
|
while (enum.hasMore()) {
|
797
|
SearchResult sr = (SearchResult)enum.next();
|
798
|
Attributes attrs = sr.getAttributes();
|
799
|
NamingEnumeration enum1 = attrs.getAll(); // "dc" and "ref" attrs
|
800
|
if (enum1.hasMore()) {
|
801
|
Attribute attr = (Attribute)enum1.next();
|
802
|
String attrValue = (String)attr.get();
|
803
|
String attrName = (String)attr.getID();
|
804
|
|
805
|
if ( enum1.hasMore() ) {
|
806
|
attr = (Attribute)enum1.next();
|
807
|
String refValue = (String)attr.get();
|
808
|
String refName = (String)attr.getID();
|
809
|
if ( ldapBase.startsWith(refName + "=" + refValue) ) {
|
810
|
trees.put(ldapBase,
|
811
|
attrValue.substring(0,attrValue.lastIndexOf("/")+1) );
|
812
|
} else {
|
813
|
trees.put(refName + "=" + refValue + "," + ldapBase,
|
814
|
attrValue.substring(0,attrValue.lastIndexOf("/")+1) );
|
815
|
}
|
816
|
|
817
|
} else if ( ldapBase.startsWith(attrName + "=" + attrValue) ) {
|
818
|
trees.put(ldapBase, ldapUrl);
|
819
|
} else {
|
820
|
trees.put(attrName + "=" + attrValue + "," + ldapBase, ldapUrl);
|
821
|
}
|
822
|
}
|
823
|
}
|
824
|
|
825
|
// Close the context when we're done
|
826
|
ctx.close();
|
827
|
|
828
|
} catch (NamingException e) {
|
829
|
util.debugMessage("Problem getting subtrees in AuthLdap.getSubtrees:"
|
830
|
+ e, 30);
|
831
|
throw new ConnectException(
|
832
|
"Problem getting subtrees in AuthLdap.getSubtrees:" + e);
|
833
|
}
|
834
|
|
835
|
return trees;
|
836
|
}
|
837
|
|
838
|
/**
|
839
|
* Get all groups and users from authentication scheme.
|
840
|
* The output is formatted in XML.
|
841
|
* @param user the user which requests the information
|
842
|
* @param password the user's password
|
843
|
*/
|
844
|
public String getPrincipals(String user, String password)
|
845
|
throws ConnectException
|
846
|
{
|
847
|
StringBuffer out = new StringBuffer();
|
848
|
Vector usersIn = new Vector();
|
849
|
|
850
|
out.append("<?xml version=\"1.0\"?>\n");
|
851
|
out.append("<principals>\n");
|
852
|
|
853
|
/*
|
854
|
* get all subtrees first in the current dir context
|
855
|
* and then the Metacat users under them
|
856
|
*/
|
857
|
Hashtable subtrees = getSubtrees(user,password,this.ldapUrl,this.ldapBase);
|
858
|
|
859
|
Enumeration enum = subtrees.keys();
|
860
|
while ( enum.hasMoreElements() ) {
|
861
|
this.ldapBase = (String)enum.nextElement();
|
862
|
this.ldapUrl = (String)subtrees.get(ldapBase);
|
863
|
|
864
|
out.append(" <authSystem URI=\"" +
|
865
|
this.ldapUrl + this.ldapBase + "\">\n");
|
866
|
|
867
|
// get all groups for directory context
|
868
|
String[] groups = getGroups(user, password);
|
869
|
|
870
|
// for the groups and users that belong to them
|
871
|
if ( groups!=null && groups.length > 0 ) {
|
872
|
for (int i=0; i < groups.length; i++ ) {
|
873
|
out.append(" <group>\n");
|
874
|
out.append(" <groupname>" + groups[i] + "</groupname>\n");
|
875
|
String[] usersForGroup = getUsers(user,password,groups[i]);
|
876
|
for (int j=0; j < usersForGroup.length; j++ ) {
|
877
|
usersIn.addElement(usersForGroup[j]);
|
878
|
out.append(" <user>\n");
|
879
|
out.append(" <username>" + usersForGroup[j] +
|
880
|
"</username>\n");
|
881
|
out.append(" </user>\n");
|
882
|
}
|
883
|
out.append(" </group>\n");
|
884
|
}
|
885
|
}
|
886
|
// for the users not belonging to any group
|
887
|
String[] users = getUsers(user, password);
|
888
|
for (int j=0; j < users.length; j++ ) {
|
889
|
if ( !usersIn.contains(users[j]) ) {
|
890
|
out.append(" <user>\n");
|
891
|
out.append(" <username>" + users[j] + "</username>\n");
|
892
|
out.append(" </user>\n");
|
893
|
}
|
894
|
}
|
895
|
|
896
|
out.append(" </authSystem>\n");
|
897
|
if ( !usersIn.isEmpty() ) {
|
898
|
usersIn.removeAllElements();
|
899
|
usersIn.trimToSize();
|
900
|
}
|
901
|
|
902
|
}
|
903
|
out.append("</principals>");
|
904
|
return out.toString();
|
905
|
}
|
906
|
|
907
|
/**
|
908
|
* Test method for the class
|
909
|
*/
|
910
|
public static void main(String[] args) {
|
911
|
|
912
|
// Provide a user, such as: "Matt Jones", or "jones"
|
913
|
String user = args[0];
|
914
|
String password = args[1];
|
915
|
|
916
|
MetaCatUtil.debugMessage("Creating session...", 20);
|
917
|
AuthLdap authservice = new AuthLdap();
|
918
|
MetaCatUtil.debugMessage("Session exists...", 20);
|
919
|
|
920
|
boolean isValid = false;
|
921
|
try {
|
922
|
MetaCatUtil.debugMessage("Authenticating...", 20);
|
923
|
isValid = authservice.authenticate(user, password);
|
924
|
if (isValid) {
|
925
|
MetaCatUtil.debugMessage("Authentication successful for: " + user, 20 );
|
926
|
} else {
|
927
|
MetaCatUtil.debugMessage("Authentication failed for: " + user, 20);
|
928
|
}
|
929
|
|
930
|
// Get attributes for the user
|
931
|
if (isValid) {
|
932
|
MetaCatUtil.debugMessage("\nGetting attributes for user....", 20);
|
933
|
HashMap userInfo = authservice.getAttributes(user, password, user);
|
934
|
// Print all of the attributes
|
935
|
Iterator attList = (Iterator)(((Set)userInfo.keySet()).iterator());
|
936
|
while (attList.hasNext()) {
|
937
|
String att = (String)attList.next();
|
938
|
Vector values = (Vector)userInfo.get(att);
|
939
|
Iterator attvalues = values.iterator();
|
940
|
while (attvalues.hasNext()) {
|
941
|
String value = (String)attvalues.next();
|
942
|
MetaCatUtil.debugMessage(att + ": " + value, 20);
|
943
|
}
|
944
|
}
|
945
|
}
|
946
|
|
947
|
// get the groups
|
948
|
if (isValid) {
|
949
|
MetaCatUtil.debugMessage("\nGetting all groups....", 20);
|
950
|
String[] groups = authservice.getGroups(user, password);
|
951
|
MetaCatUtil.debugMessage("Groups found: " + groups.length, 20);
|
952
|
for (int i=0; i < groups.length; i++) {
|
953
|
MetaCatUtil.debugMessage("Group " + i + ": " + groups[i], 20);
|
954
|
}
|
955
|
}
|
956
|
|
957
|
// get the groups for the user
|
958
|
String savedGroup = null;
|
959
|
if (isValid) {
|
960
|
MetaCatUtil.debugMessage("\nGetting groups for user....", 20);
|
961
|
String[] groups = authservice.getGroups(user, password, user);
|
962
|
MetaCatUtil.debugMessage("Groups found: " + groups.length, 20);
|
963
|
for (int i=0; i < groups.length; i++) {
|
964
|
MetaCatUtil.debugMessage("Group " + i + ": " + groups[i], 20);
|
965
|
savedGroup = groups[i];
|
966
|
}
|
967
|
}
|
968
|
|
969
|
// get the users for a group
|
970
|
if (isValid) {
|
971
|
MetaCatUtil.debugMessage("\nGetting users for group....", 20);
|
972
|
MetaCatUtil.debugMessage("Group: " + savedGroup, 20);
|
973
|
String[] users = authservice.getUsers(user, password, savedGroup);
|
974
|
MetaCatUtil.debugMessage("Users found: " + users.length, 20);
|
975
|
for (int i=0; i < users.length; i++) {
|
976
|
MetaCatUtil.debugMessage("User " + i + ": " + users[i], 20);
|
977
|
}
|
978
|
}
|
979
|
|
980
|
// get all users
|
981
|
if (isValid) {
|
982
|
MetaCatUtil.debugMessage("\nGetting all users ....", 20);
|
983
|
String[] users = authservice.getUsers(user, password);
|
984
|
MetaCatUtil.debugMessage("Users found: " + users.length, 20);
|
985
|
|
986
|
}
|
987
|
|
988
|
// get the whole list groups and users in XML format
|
989
|
if (isValid) {
|
990
|
MetaCatUtil.debugMessage("\nTrying principals....", 20);
|
991
|
authservice = new AuthLdap();
|
992
|
String out = authservice.getPrincipals(user, password);
|
993
|
java.io.File f = new java.io.File("principals.xml");
|
994
|
java.io.FileWriter fw = new java.io.FileWriter(f);
|
995
|
java.io.BufferedWriter buff = new java.io.BufferedWriter(fw);
|
996
|
buff.write(out);
|
997
|
buff.flush();
|
998
|
buff.close();
|
999
|
fw.close();
|
1000
|
MetaCatUtil.debugMessage("\nFinished getting principals.", 20);
|
1001
|
}
|
1002
|
|
1003
|
} catch (ConnectException ce) {
|
1004
|
MetaCatUtil.debugMessage(ce.getMessage(), 30);
|
1005
|
} catch (java.io.IOException ioe) {
|
1006
|
MetaCatUtil.debugMessage("I/O Error writing to file principals.txt", 20);
|
1007
|
}
|
1008
|
}
|
1009
|
|
1010
|
/**
|
1011
|
* This method will be called by start a thread.
|
1012
|
* It can handle if a referral exception happend.
|
1013
|
*/
|
1014
|
public void run()
|
1015
|
{
|
1016
|
referralContext = null;
|
1017
|
DirContext refDirContext=null;
|
1018
|
boolean moreReferrals=true;
|
1019
|
String referralInfo=null;
|
1020
|
//set a while loop is because we don't know if a referral excption contains
|
1021
|
//another referral exception
|
1022
|
while (moreReferrals)
|
1023
|
{
|
1024
|
try
|
1025
|
{
|
1026
|
//revise environment variable
|
1027
|
referralInfo=(String)refExc.getReferralInfo();
|
1028
|
env.put(Context.PROVIDER_URL,refExc.getReferralInfo());
|
1029
|
//System.out.println("referral info: "+referralInfo);
|
1030
|
//if (referralInfo.indexOf("piscoweb")!=-1)
|
1031
|
//{
|
1032
|
//userName=uid+",o=PISCO,dc=piscoweb,dc=org";
|
1033
|
//}
|
1034
|
env.put(Context.INITIAL_CONTEXT_FACTORY,
|
1035
|
"com.sun.jndi.ldap.LdapCtxFactory");
|
1036
|
//System.out.println("principal: "+userName);
|
1037
|
env.put(Context.SECURITY_PRINCIPAL, userName);
|
1038
|
env.put(Context.SECURITY_CREDENTIALS, userPassword);
|
1039
|
env.put(Context.REFERRAL, "throw");
|
1040
|
//get a context object for referral in the new envriment
|
1041
|
rContext = refExc.getReferralContext(env);
|
1042
|
//casting the context to dircontext and it will create a
|
1043
|
//autherntication or naming exception if DN and password is incorrect
|
1044
|
referralContext=rContext;
|
1045
|
refDirContext=(DirContext)rContext;
|
1046
|
refDirContext.close();
|
1047
|
//get context and jump out the while loop
|
1048
|
moreReferrals=false;
|
1049
|
}//try
|
1050
|
//if referral have another referral excption
|
1051
|
catch (ReferralException re)
|
1052
|
{
|
1053
|
//keep running in while loop
|
1054
|
moreReferrals=true;
|
1055
|
//assign refExc to new referral exception re
|
1056
|
refExc=re;
|
1057
|
}
|
1058
|
//catch a authentication exception
|
1059
|
catch (AuthenticationException ae)
|
1060
|
{
|
1061
|
util.debugMessage("Error running referral handler thread: " +
|
1062
|
ae.getMessage(), 20);
|
1063
|
//check if has another referral
|
1064
|
moreReferrals=refExc.skipReferral();
|
1065
|
//don't get the context
|
1066
|
referralContext = null;
|
1067
|
}
|
1068
|
//catch a naming exception
|
1069
|
catch (NamingException ne)
|
1070
|
{
|
1071
|
util.debugMessage("Error running referral handler thread: " +
|
1072
|
ne.getMessage(), 20);
|
1073
|
//check if has another referral
|
1074
|
moreReferrals=refExc.skipReferral();
|
1075
|
//don't get context
|
1076
|
referralContext = null;
|
1077
|
}
|
1078
|
}//while
|
1079
|
}//run()
|
1080
|
|
1081
|
private class GetGroup implements Runnable
|
1082
|
{
|
1083
|
public void run()
|
1084
|
{
|
1085
|
referralContext = null;
|
1086
|
MetaCatUtil.debugMessage("getting groups context", 50);
|
1087
|
DirContext refDirContext=null;
|
1088
|
boolean moreReferrals=true;
|
1089
|
//set a while loop is because we don't know if a referral excption
|
1090
|
//contains another referral exception
|
1091
|
while (moreReferrals)
|
1092
|
{
|
1093
|
try
|
1094
|
{
|
1095
|
//revise environment variable
|
1096
|
String refInfo = null;
|
1097
|
refInfo = (String)refExc.getReferralInfo();
|
1098
|
if(refInfo != null)
|
1099
|
{
|
1100
|
MetaCatUtil.debugMessage("Referral in thread to: " +
|
1101
|
refInfo.toString(), 40);
|
1102
|
}
|
1103
|
else
|
1104
|
{
|
1105
|
MetaCatUtil.debugMessage("getting refInfo Manually", 50);
|
1106
|
refInfo = (String)refExc.getReferralContext().getEnvironment().
|
1107
|
get(Context.PROVIDER_URL);
|
1108
|
}
|
1109
|
MetaCatUtil.debugMessage("refInfo: " + refInfo, 40);
|
1110
|
|
1111
|
env.put(Context.INITIAL_CONTEXT_FACTORY,
|
1112
|
"com.sun.jndi.ldap.LdapCtxFactory");
|
1113
|
env.put(Context.REFERRAL, "throw");
|
1114
|
env.put(Context.PROVIDER_URL, refInfo);
|
1115
|
|
1116
|
MetaCatUtil.debugMessage("creating referralContext", 40);
|
1117
|
referralContext = new InitialDirContext(env);
|
1118
|
MetaCatUtil.debugMessage("referralContext created", 40);
|
1119
|
//get context and jump out the while loop
|
1120
|
moreReferrals=false;
|
1121
|
}//try
|
1122
|
catch (ReferralException re)
|
1123
|
{
|
1124
|
//keep running in while loop
|
1125
|
moreReferrals=true;
|
1126
|
//assign refExc to new referral exception re
|
1127
|
refExc=re;
|
1128
|
}
|
1129
|
catch (AuthenticationException ae)
|
1130
|
{
|
1131
|
util.debugMessage("Error running referral handler thread: " +
|
1132
|
ae.getMessage(), 50);
|
1133
|
//check if has another referral
|
1134
|
moreReferrals=refExc.skipReferral();
|
1135
|
//don't get the context
|
1136
|
referralContext = null;
|
1137
|
}
|
1138
|
catch (NamingException ne)
|
1139
|
{
|
1140
|
util.debugMessage("Error running referral handler thread: " +
|
1141
|
ne.getMessage(), 50);
|
1142
|
//check if has another referral
|
1143
|
moreReferrals=refExc.skipReferral();
|
1144
|
//don't get context
|
1145
|
referralContext = null;
|
1146
|
}
|
1147
|
}//while
|
1148
|
}//run()
|
1149
|
}
|
1150
|
}
|