1 /*
2 * Copyright 2005-2010 the original author or authors.
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 * http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17 package org.springframework.ws.soap.security.xwss.callback;
18
19 import java.io.IOException;
20 import javax.security.auth.callback.Callback;
21 import javax.security.auth.callback.UnsupportedCallbackException;
22
23 import com.sun.xml.wss.impl.callback.CertificateValidationCallback;
24 import com.sun.xml.wss.impl.callback.DecryptionKeyCallback;
25 import com.sun.xml.wss.impl.callback.EncryptionKeyCallback;
26 import com.sun.xml.wss.impl.callback.SignatureKeyCallback;
27 import com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback;
28
29 import org.springframework.ws.soap.security.callback.AbstractCallbackHandler;
30
31 /**
32 * Default callback handler that handles cryptographic callback. This handler determines the exact callback passed, and
33 * calls a template method for it. By default, all template methods throw an <code>UnsupportedCallbackException</code>,
34 * so you only need to override those you need.
35 *
36 * @author Arjen Poutsma
37 * @since 1.0.0
38 */
39 public class CryptographyCallbackHandler extends AbstractCallbackHandler {
40
41 @Override
42 protected final void handleInternal(Callback callback) throws IOException, UnsupportedCallbackException {
43 if (callback instanceof CertificateValidationCallback) {
44 handleCertificateValidationCallback((CertificateValidationCallback) callback);
45 }
46 else if (callback instanceof DecryptionKeyCallback) {
47 handleDecryptionKeyCallback((DecryptionKeyCallback) callback);
48 }
49 else if (callback instanceof EncryptionKeyCallback) {
50 handleEncryptionKeyCallback((EncryptionKeyCallback) callback);
51 }
52 else if (callback instanceof SignatureKeyCallback) {
53 handleSignatureKeyCallback((SignatureKeyCallback) callback);
54 }
55 else if (callback instanceof SignatureVerificationKeyCallback) {
56 handleSignatureVerificationKeyCallback((SignatureVerificationKeyCallback) callback);
57 }
58 else {
59 throw new UnsupportedCallbackException(callback);
60 }
61
62 }
63
64 //
65 // Certificate validation
66 //
67
68 /**
69 * Template method that handles <code>CertificateValidationCallback</code>s. Called from
70 * <code>handleInternal()</code>. Default implementation throws an <code>UnsupportedCallbackException</code>.
71 */
72 protected void handleCertificateValidationCallback(CertificateValidationCallback callback)
73 throws IOException, UnsupportedCallbackException {
74 throw new UnsupportedCallbackException(callback);
75 }
76
77 //
78 // Decryption
79 //
80
81 /**
82 * Method that handles <code>DecryptionKeyCallback</code>s. Called from <code>handleInternal()</code>. Default
83 * implementation delegates to specific handling methods.
84 *
85 * @see #handlePrivateKeyRequest(com.sun.xml.wss.impl.callback.DecryptionKeyCallback,
86 * com.sun.xml.wss.impl.callback.DecryptionKeyCallback.PrivateKeyRequest)
87 * @see #handleSymmetricKeyRequest(com.sun.xml.wss.impl.callback.DecryptionKeyCallback,
88 * com.sun.xml.wss.impl.callback.DecryptionKeyCallback.SymmetricKeyRequest)
89 */
90 protected final void handleDecryptionKeyCallback(DecryptionKeyCallback callback)
91 throws IOException, UnsupportedCallbackException {
92 if (callback.getRequest() instanceof DecryptionKeyCallback.PrivateKeyRequest) {
93 handlePrivateKeyRequest(callback, (DecryptionKeyCallback.PrivateKeyRequest) callback.getRequest());
94 }
95 else if (callback.getRequest() instanceof DecryptionKeyCallback.SymmetricKeyRequest) {
96 handleSymmetricKeyRequest(callback, (DecryptionKeyCallback.SymmetricKeyRequest) callback.getRequest());
97 }
98 else {
99 throw new UnsupportedCallbackException(callback);
100 }
101 }
102
103 /**
104 * Method that handles <code>DecryptionKeyCallback</code>s with <code>PrivateKeyRequest</code> . Called from
105 * <code>handleDecryptionKeyCallback()</code>. Default implementation delegates to specific handling methods.
106 *
107 * @see #handlePublicKeyBasedPrivKeyCertRequest(com.sun.xml.wss.impl.callback.SignatureKeyCallback,
108 * com.sun.xml.wss.impl.callback.SignatureKeyCallback.PublicKeyBasedPrivKeyCertRequest)
109 * @see #handleX509CertificateBasedRequest(com.sun.xml.wss.impl.callback.DecryptionKeyCallback,
110 * com.sun.xml.wss.impl.callback.DecryptionKeyCallback.X509CertificateBasedRequest)
111 * @see #handleX509IssuerSerialBasedRequest(com.sun.xml.wss.impl.callback.DecryptionKeyCallback,
112 * com.sun.xml.wss.impl.callback.DecryptionKeyCallback.X509IssuerSerialBasedRequest)
113 * @see #handleX509SubjectKeyIdentifierBasedRequest(com.sun.xml.wss.impl.callback.DecryptionKeyCallback,
114 * com.sun.xml.wss.impl.callback.DecryptionKeyCallback.X509SubjectKeyIdentifierBasedRequest)
115 */
116 protected final void handlePrivateKeyRequest(DecryptionKeyCallback callback,
117 DecryptionKeyCallback.PrivateKeyRequest request)
118 throws IOException, UnsupportedCallbackException {
119 if (request instanceof DecryptionKeyCallback.PublicKeyBasedPrivKeyRequest) {
120 handlePublicKeyBasedPrivKeyRequest(callback, (DecryptionKeyCallback.PublicKeyBasedPrivKeyRequest) request);
121 }
122 else if (request instanceof DecryptionKeyCallback.X509CertificateBasedRequest) {
123 handleX509CertificateBasedRequest(callback, (DecryptionKeyCallback.X509CertificateBasedRequest) request);
124 }
125 else if (request instanceof DecryptionKeyCallback.X509IssuerSerialBasedRequest) {
126 handleX509IssuerSerialBasedRequest(callback, (DecryptionKeyCallback.X509IssuerSerialBasedRequest) request);
127 }
128 else if (request instanceof DecryptionKeyCallback.X509SubjectKeyIdentifierBasedRequest) {
129 handleX509SubjectKeyIdentifierBasedRequest(callback,
130 (DecryptionKeyCallback.X509SubjectKeyIdentifierBasedRequest) request);
131 }
132 else {
133 throw new UnsupportedCallbackException(callback);
134 }
135 }
136
137 /**
138 * Template method that handles <code>DecryptionKeyCallback</code>s with <code>PublicKeyBasedPrivKeyRequest</code>s.
139 * Called from <code>handlePrivateKeyRequest()</code>. Default implementation throws an
140 * <code>UnsupportedCallbackException</code>.
141 */
142 protected void handlePublicKeyBasedPrivKeyRequest(DecryptionKeyCallback callback,
143 DecryptionKeyCallback.PublicKeyBasedPrivKeyRequest request)
144 throws IOException, UnsupportedCallbackException {
145 throw new UnsupportedCallbackException(callback);
146 }
147
148 /**
149 * Template method that handles <code>DecryptionKeyCallback</code>s with <code>X509CertificateBasedRequest</code>s.
150 * Called from <code>handlePrivateKeyRequest()</code>. Default implementation throws an
151 * <code>UnsupportedCallbackException</code>.
152 */
153 protected void handleX509CertificateBasedRequest(DecryptionKeyCallback callback,
154 DecryptionKeyCallback.X509CertificateBasedRequest request)
155 throws IOException, UnsupportedCallbackException {
156 throw new UnsupportedCallbackException(callback);
157 }
158
159 /**
160 * Template method that handles <code>DecryptionKeyCallback</code>s with <code>X509IssuerSerialBasedRequest</code>s.
161 * Called from <code>handlePrivateKeyRequest()</code>. Default implementation throws an
162 * <code>UnsupportedCallbackException</code>.
163 */
164 protected void handleX509IssuerSerialBasedRequest(DecryptionKeyCallback callback,
165 DecryptionKeyCallback.X509IssuerSerialBasedRequest request)
166 throws IOException, UnsupportedCallbackException {
167 throw new UnsupportedCallbackException(callback);
168 }
169
170 /**
171 * Template method that handles <code>DecryptionKeyCallback</code>s with <code>X509SubjectKeyIdentifierBasedRequest</code>s.
172 * Called from <code>handlePrivateKeyRequest()</code>. Default implementation throws an
173 * <code>UnsupportedCallbackException</code>.
174 */
175 protected void handleX509SubjectKeyIdentifierBasedRequest(DecryptionKeyCallback callback,
176 DecryptionKeyCallback.X509SubjectKeyIdentifierBasedRequest request)
177 throws IOException, UnsupportedCallbackException {
178 throw new UnsupportedCallbackException(callback);
179 }
180
181 /**
182 * Method that handles <code>DecryptionKeyCallback</code>s with <code>SymmetricKeyRequest</code> . Called from
183 * <code>handleDecryptionKeyCallback()</code>. Default implementation delegates to specific handling methods.
184 *
185 * @see #handleAliasSymmetricKeyRequest(com.sun.xml.wss.impl.callback.DecryptionKeyCallback,
186 * com.sun.xml.wss.impl.callback.DecryptionKeyCallback.AliasSymmetricKeyRequest)
187 */
188 protected final void handleSymmetricKeyRequest(DecryptionKeyCallback callback,
189 DecryptionKeyCallback.SymmetricKeyRequest request)
190 throws IOException, UnsupportedCallbackException {
191 if (request instanceof DecryptionKeyCallback.AliasSymmetricKeyRequest) {
192 DecryptionKeyCallback.AliasSymmetricKeyRequest aliasSymmetricKeyRequest =
193 (DecryptionKeyCallback.AliasSymmetricKeyRequest) request;
194 handleAliasSymmetricKeyRequest(callback, aliasSymmetricKeyRequest);
195 }
196 else {
197 throw new UnsupportedCallbackException(callback);
198 }
199 }
200
201 /**
202 * Template method that handles <code>DecryptionKeyCallback</code>s with <code>AliasSymmetricKeyRequest</code>s.
203 * Called from <code>handleSymmetricKeyRequest()</code>. Default implementation throws an
204 * <code>UnsupportedCallbackException</code>.
205 */
206 protected void handleAliasSymmetricKeyRequest(DecryptionKeyCallback callback,
207 DecryptionKeyCallback.AliasSymmetricKeyRequest request)
208 throws IOException, UnsupportedCallbackException {
209 throw new UnsupportedCallbackException(callback);
210 }
211
212 //
213 // Encryption
214 //
215
216 /**
217 * Method that handles <code>EncryptionKeyCallback</code>s. Called from <code>handleInternal()</code>. Default
218 * implementation delegates to specific handling methods.
219 *
220 * @see #handleSymmetricKeyRequest(com.sun.xml.wss.impl.callback.EncryptionKeyCallback,
221 * com.sun.xml.wss.impl.callback.EncryptionKeyCallback.SymmetricKeyRequest)
222 * @see #handleX509CertificateRequest(com.sun.xml.wss.impl.callback.EncryptionKeyCallback,
223 * com.sun.xml.wss.impl.callback.EncryptionKeyCallback.X509CertificateRequest)
224 */
225 protected final void handleEncryptionKeyCallback(EncryptionKeyCallback callback)
226 throws IOException, UnsupportedCallbackException {
227 if (callback.getRequest() instanceof EncryptionKeyCallback.SymmetricKeyRequest) {
228 handleSymmetricKeyRequest(callback, (EncryptionKeyCallback.SymmetricKeyRequest) callback.getRequest());
229 }
230 else if (callback.getRequest() instanceof EncryptionKeyCallback.X509CertificateRequest) {
231 handleX509CertificateRequest(callback,
232 (EncryptionKeyCallback.X509CertificateRequest) callback.getRequest());
233 }
234 else {
235 throw new UnsupportedCallbackException(callback);
236
237 }
238 }
239
240 /**
241 * Method that handles <code>EncryptionKeyCallback</code>s with <code>SymmetricKeyRequest</code> . Called from
242 * <code>handleEncryptionKeyCallback()</code>. Default implementation delegates to specific handling methods.
243 *
244 * @see #handleAliasSymmetricKeyRequest(com.sun.xml.wss.impl.callback.EncryptionKeyCallback,
245 * com.sun.xml.wss.impl.callback.EncryptionKeyCallback.AliasSymmetricKeyRequest)
246 */
247 protected final void handleSymmetricKeyRequest(EncryptionKeyCallback callback,
248 EncryptionKeyCallback.SymmetricKeyRequest request)
249 throws IOException, UnsupportedCallbackException {
250 if (request instanceof EncryptionKeyCallback.AliasSymmetricKeyRequest) {
251 handleAliasSymmetricKeyRequest(callback, (EncryptionKeyCallback.AliasSymmetricKeyRequest) request);
252 }
253 }
254
255 /**
256 * Template method that handles <code>EncryptionKeyCallback</code>s with <code>AliasSymmetricKeyRequest</code>s.
257 * Called from <code>handleSymmetricKeyRequest()</code>. Default implementation throws an
258 * <code>UnsupportedCallbackException</code>.
259 */
260 protected void handleAliasSymmetricKeyRequest(EncryptionKeyCallback callback,
261 EncryptionKeyCallback.AliasSymmetricKeyRequest request)
262 throws IOException, UnsupportedCallbackException {
263 throw new UnsupportedCallbackException(callback);
264 }
265
266 /**
267 * Method that handles <code>EncryptionKeyCallback</code>s with <code>X509CertificateRequest</code> . Called from
268 * <code>handleEncryptionKeyCallback()</code>. Default implementation delegates to specific handling methods.
269 *
270 * @see #handleAliasX509CertificateRequest(com.sun.xml.wss.impl.callback.EncryptionKeyCallback,
271 * com.sun.xml.wss.impl.callback.EncryptionKeyCallback.AliasX509CertificateRequest)
272 * @see #handleDefaultX509CertificateRequest(com.sun.xml.wss.impl.callback.EncryptionKeyCallback,
273 * com.sun.xml.wss.impl.callback.EncryptionKeyCallback.DefaultX509CertificateRequest)
274 * @see #handlePublicKeyBasedRequest(com.sun.xml.wss.impl.callback.EncryptionKeyCallback,
275 * com.sun.xml.wss.impl.callback.EncryptionKeyCallback.PublicKeyBasedRequest)
276 */
277 protected final void handleX509CertificateRequest(EncryptionKeyCallback callback,
278 EncryptionKeyCallback.X509CertificateRequest request)
279 throws IOException, UnsupportedCallbackException {
280 if (request instanceof EncryptionKeyCallback.AliasX509CertificateRequest) {
281 handleAliasX509CertificateRequest(callback, (EncryptionKeyCallback.AliasX509CertificateRequest) request);
282 }
283 else if (request instanceof EncryptionKeyCallback.DefaultX509CertificateRequest) {
284 handleDefaultX509CertificateRequest(callback,
285 (EncryptionKeyCallback.DefaultX509CertificateRequest) request);
286 }
287 else if (request instanceof EncryptionKeyCallback.PublicKeyBasedRequest) {
288 handlePublicKeyBasedRequest(callback, (EncryptionKeyCallback.PublicKeyBasedRequest) request);
289 }
290 else {
291 throw new UnsupportedCallbackException(callback);
292 }
293 }
294
295 /**
296 * Template method that handles <code>EncryptionKeyCallback</code>s with <code>AliasX509CertificateRequest</code>s.
297 * Called from <code>handleX509CertificateRequest()</code>. Default implementation throws an
298 * <code>UnsupportedCallbackException</code>.
299 */
300 protected void handleAliasX509CertificateRequest(EncryptionKeyCallback callback,
301 EncryptionKeyCallback.AliasX509CertificateRequest request)
302 throws IOException, UnsupportedCallbackException {
303 throw new UnsupportedCallbackException(callback);
304 }
305
306 /**
307 * Template method that handles <code>EncryptionKeyCallback</code>s with <code>DefaultX509CertificateRequest</code>s.
308 * Called from <code>handleX509CertificateRequest()</code>. Default implementation throws an
309 * <code>UnsupportedCallbackException</code>.
310 */
311 protected void handleDefaultX509CertificateRequest(EncryptionKeyCallback callback,
312 EncryptionKeyCallback.DefaultX509CertificateRequest request)
313 throws IOException, UnsupportedCallbackException {
314 throw new UnsupportedCallbackException(callback);
315 }
316
317 /**
318 * Template method that handles <code>EncryptionKeyCallback</code>s with <code>PublicKeyBasedRequest</code>s. Called
319 * from <code>handleX509CertificateRequest()</code>. Default implementation throws an
320 * <code>UnsupportedCallbackException</code>.
321 */
322 protected void handlePublicKeyBasedRequest(EncryptionKeyCallback callback,
323 EncryptionKeyCallback.PublicKeyBasedRequest request)
324 throws IOException, UnsupportedCallbackException {
325 throw new UnsupportedCallbackException(callback);
326 }
327
328 //
329 // Signing
330 //
331
332 /**
333 * Method that handles <code>SignatureKeyCallback</code>s. Called from <code>handleInternal()</code>. Default
334 * implementation delegates to specific handling methods.
335 *
336 * @see #handlePrivKeyCertRequest(com.sun.xml.wss.impl.callback.SignatureKeyCallback,
337 * com.sun.xml.wss.impl.callback.SignatureKeyCallback.PrivKeyCertRequest)
338 */
339 protected final void handleSignatureKeyCallback(SignatureKeyCallback callback)
340 throws IOException, UnsupportedCallbackException {
341 if (callback.getRequest() instanceof SignatureKeyCallback.PrivKeyCertRequest) {
342 handlePrivKeyCertRequest(callback, (SignatureKeyCallback.PrivKeyCertRequest) callback.getRequest());
343 }
344 else {
345 throw new UnsupportedCallbackException(callback);
346 }
347 }
348
349 /**
350 * Method that handles <code>SignatureKeyCallback</code>s with <code>PrivKeyCertRequest</code>s. Called from
351 * <code>handleSignatureKeyCallback()</code>. Default implementation delegates to specific handling methods.
352 *
353 * @see #handleDefaultPrivKeyCertRequest(com.sun.xml.wss.impl.callback.SignatureKeyCallback,
354 * com.sun.xml.wss.impl.callback.SignatureKeyCallback.DefaultPrivKeyCertRequest)
355 * @see #handleAliasPrivKeyCertRequest(com.sun.xml.wss.impl.callback.SignatureKeyCallback,
356 * com.sun.xml.wss.impl.callback.SignatureKeyCallback.AliasPrivKeyCertRequest)
357 * @see #handlePublicKeyBasedPrivKeyCertRequest(com.sun.xml.wss.impl.callback.SignatureKeyCallback,
358 * com.sun.xml.wss.impl.callback.SignatureKeyCallback.PublicKeyBasedPrivKeyCertRequest)
359 */
360 protected final void handlePrivKeyCertRequest(SignatureKeyCallback cb,
361 SignatureKeyCallback.PrivKeyCertRequest request)
362 throws IOException, UnsupportedCallbackException {
363 if (request instanceof SignatureKeyCallback.DefaultPrivKeyCertRequest) {
364 handleDefaultPrivKeyCertRequest(cb, (SignatureKeyCallback.DefaultPrivKeyCertRequest) request);
365 }
366 else if (cb.getRequest() instanceof SignatureKeyCallback.AliasPrivKeyCertRequest) {
367 handleAliasPrivKeyCertRequest(cb, (SignatureKeyCallback.AliasPrivKeyCertRequest) request);
368 }
369 else if (cb.getRequest() instanceof SignatureKeyCallback.PublicKeyBasedPrivKeyCertRequest) {
370 handlePublicKeyBasedPrivKeyCertRequest(cb, (SignatureKeyCallback.PublicKeyBasedPrivKeyCertRequest) request);
371 }
372 else {
373 throw new UnsupportedCallbackException(cb);
374 }
375 }
376
377 /**
378 * Template method that handles <code>SignatureKeyCallback</code>s with <code>DefaultPrivKeyCertRequest</code>s.
379 * Called from <code>handlePrivKeyCertRequest()</code>. Default implementation throws an
380 * <code>UnsupportedCallbackException</code>.
381 */
382 protected void handleDefaultPrivKeyCertRequest(SignatureKeyCallback callback,
383 SignatureKeyCallback.DefaultPrivKeyCertRequest request)
384 throws IOException, UnsupportedCallbackException {
385 throw new UnsupportedCallbackException(callback);
386 }
387
388 /**
389 * Template method that handles <code>SignatureKeyCallback</code>s with <code>AliasPrivKeyCertRequest</code>s.
390 * Called from <code>handlePrivKeyCertRequest()</code>. Default implementation throws an
391 * <code>UnsupportedCallbackException</code>.
392 */
393 protected void handleAliasPrivKeyCertRequest(SignatureKeyCallback callback,
394 SignatureKeyCallback.AliasPrivKeyCertRequest request)
395 throws IOException, UnsupportedCallbackException {
396 throw new UnsupportedCallbackException(callback);
397 }
398
399 /**
400 * Template method that handles <code>SignatureKeyCallback</code>s with <code>PublicKeyBasedPrivKeyCertRequest</code>s.
401 * Called from <code>handlePrivKeyCertRequest()</code>. Default implementation throws an
402 * <code>UnsupportedCallbackException</code>.
403 */
404 protected void handlePublicKeyBasedPrivKeyCertRequest(SignatureKeyCallback callback,
405 SignatureKeyCallback.PublicKeyBasedPrivKeyCertRequest request)
406 throws IOException, UnsupportedCallbackException {
407 throw new UnsupportedCallbackException(callback);
408 }
409
410 //
411 // Signature verification
412 //
413
414 /**
415 * Method that handles <code>SignatureVerificationKeyCallback</code>s. Called from <code>handleInternal()</code>.
416 * Default implementation delegates to specific handling methods.
417 *
418 * @see #handleX509CertificateRequest(com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback,
419 * com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback.X509CertificateRequest)
420 */
421 protected final void handleSignatureVerificationKeyCallback(SignatureVerificationKeyCallback callback)
422 throws UnsupportedCallbackException, IOException {
423 if (callback.getRequest() instanceof SignatureVerificationKeyCallback.X509CertificateRequest) {
424 handleX509CertificateRequest(callback,
425 (SignatureVerificationKeyCallback.X509CertificateRequest) callback.getRequest());
426 }
427 else {
428 throw new UnsupportedCallbackException(callback);
429 }
430 }
431
432 /**
433 * Method that handles <code>SignatureVerificationKeyCallback</code>s with <code>X509CertificateRequest</code>s.
434 * Called from <code>handleSignatureVerificationKeyCallback()</code>. Default implementation delegates to specific
435 * handling methods.
436 *
437 * @see #handlePublicKeyBasedRequest(com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback,
438 * com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback.PublicKeyBasedRequest)
439 * @see #handleX509IssuerSerialBasedRequest(com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback,
440 * com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback.X509IssuerSerialBasedRequest)
441 * @see #handleX509SubjectKeyIdentifierBasedRequest(com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback,
442 * com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback.X509SubjectKeyIdentifierBasedRequest)
443 */
444 protected final void handleX509CertificateRequest(SignatureVerificationKeyCallback callback,
445 SignatureVerificationKeyCallback.X509CertificateRequest request)
446 throws UnsupportedCallbackException, IOException {
447 if (request instanceof SignatureVerificationKeyCallback.PublicKeyBasedRequest) {
448 handlePublicKeyBasedRequest(callback, (SignatureVerificationKeyCallback.PublicKeyBasedRequest) request);
449 }
450 else if (request instanceof SignatureVerificationKeyCallback.X509IssuerSerialBasedRequest) {
451 handleX509IssuerSerialBasedRequest(callback,
452 (SignatureVerificationKeyCallback.X509IssuerSerialBasedRequest) request);
453 }
454 else if (request instanceof SignatureVerificationKeyCallback.X509SubjectKeyIdentifierBasedRequest) {
455 handleX509SubjectKeyIdentifierBasedRequest(callback,
456 (SignatureVerificationKeyCallback.X509SubjectKeyIdentifierBasedRequest) request);
457 }
458 else {
459 throw new UnsupportedCallbackException(callback);
460 }
461 }
462
463 /**
464 * Template method that handles <code>SignatureKeyCallback</code>s with <code>PublicKeyBasedPrivKeyCertRequest</code>s.
465 * Called from <code>handlePrivKeyCertRequest()</code>. Default implementation throws an
466 * <code>UnsupportedCallbackException</code>.
467 */
468 protected void handleX509SubjectKeyIdentifierBasedRequest(SignatureVerificationKeyCallback callback,
469 SignatureVerificationKeyCallback.X509SubjectKeyIdentifierBasedRequest request)
470 throws IOException, UnsupportedCallbackException {
471 throw new UnsupportedCallbackException(callback);
472 }
473
474 /**
475 * Template method that handles <code>SignatureKeyCallback</code>s with <code>X509IssuerSerialBasedRequest</code>s.
476 * Called from <code>handlePrivKeyCertRequest()</code>. Default implementation throws an
477 * <code>UnsupportedCallbackException</code>.
478 */
479 protected void handleX509IssuerSerialBasedRequest(SignatureVerificationKeyCallback callback,
480 SignatureVerificationKeyCallback.X509IssuerSerialBasedRequest request)
481 throws IOException, UnsupportedCallbackException {
482 throw new UnsupportedCallbackException(callback);
483 }
484
485 /**
486 * Template method that handles <code>SignatureKeyCallback</code>s with <code>PublicKeyBasedRequest</code>s. Called
487 * from <code>handlePrivKeyCertRequest()</code>. Default implementation throws an
488 * <code>UnsupportedCallbackException</code>.
489 */
490 protected void handlePublicKeyBasedRequest(SignatureVerificationKeyCallback callback,
491 SignatureVerificationKeyCallback.PublicKeyBasedRequest request)
492 throws IOException, UnsupportedCallbackException {
493 throw new UnsupportedCallbackException(callback);
494 }
495 }