1 /*
2 * Copyright 2006 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 protected final void handleInternal(Callback callback) throws IOException, UnsupportedCallbackException {
42 if (callback instanceof CertificateValidationCallback) {
43 handleCertificateValidationCallback((CertificateValidationCallback) callback);
44 }
45 else if (callback instanceof DecryptionKeyCallback) {
46 handleDecryptionKeyCallback((DecryptionKeyCallback) callback);
47 }
48 else if (callback instanceof EncryptionKeyCallback) {
49 handleEncryptionKeyCallback((EncryptionKeyCallback) callback);
50 }
51 else if (callback instanceof SignatureKeyCallback) {
52 handleSignatureKeyCallback((SignatureKeyCallback) callback);
53 }
54 else if (callback instanceof SignatureVerificationKeyCallback) {
55 handleSignatureVerificationKeyCallback((SignatureVerificationKeyCallback) callback);
56 }
57 else {
58 throw new UnsupportedCallbackException(callback);
59 }
60
61 }
62
63 //
64 // Certificate validation
65 //
66
67 /**
68 * Template method that handles <code>CertificateValidationCallback</code>s. Called from
69 * <code>handleInternal()</code>. Default implementation throws an <code>UnsupportedCallbackException</code>.
70 */
71 protected void handleCertificateValidationCallback(CertificateValidationCallback callback)
72 throws IOException, UnsupportedCallbackException {
73 throw new UnsupportedCallbackException(callback);
74 }
75
76 //
77 // Decryption
78 //
79
80 /**
81 * Method that handles <code>DecryptionKeyCallback</code>s. Called from <code>handleInternal()</code>. Default
82 * implementation delegates to specific handling methods.
83 *
84 * @see #handlePrivateKeyRequest(com.sun.xml.wss.impl.callback.DecryptionKeyCallback,
85 * com.sun.xml.wss.impl.callback.DecryptionKeyCallback.PrivateKeyRequest)
86 * @see #handleSymmetricKeyRequest(com.sun.xml.wss.impl.callback.DecryptionKeyCallback,
87 * com.sun.xml.wss.impl.callback.DecryptionKeyCallback.SymmetricKeyRequest)
88 */
89 protected final void handleDecryptionKeyCallback(DecryptionKeyCallback callback)
90 throws IOException, UnsupportedCallbackException {
91 if (callback.getRequest() instanceof DecryptionKeyCallback.PrivateKeyRequest) {
92 handlePrivateKeyRequest(callback, (DecryptionKeyCallback.PrivateKeyRequest) callback.getRequest());
93 }
94 else if (callback.getRequest() instanceof DecryptionKeyCallback.SymmetricKeyRequest) {
95 handleSymmetricKeyRequest(callback, (DecryptionKeyCallback.SymmetricKeyRequest) callback.getRequest());
96 }
97 else {
98 throw new UnsupportedCallbackException(callback);
99 }
100 }
101
102 /**
103 * Method that handles <code>DecryptionKeyCallback</code>s with <code>PrivateKeyRequest</code> . Called from
104 * <code>handleDecryptionKeyCallback()</code>. Default implementation delegates to specific handling methods.
105 *
106 * @see #handlePublicKeyBasedPrivKeyCertRequest(com.sun.xml.wss.impl.callback.SignatureKeyCallback,
107 * com.sun.xml.wss.impl.callback.SignatureKeyCallback.PublicKeyBasedPrivKeyCertRequest)
108 * @see #handleX509CertificateBasedRequest(com.sun.xml.wss.impl.callback.DecryptionKeyCallback,
109 * com.sun.xml.wss.impl.callback.DecryptionKeyCallback.X509CertificateBasedRequest)
110 * @see #handleX509IssuerSerialBasedRequest(com.sun.xml.wss.impl.callback.DecryptionKeyCallback,
111 * com.sun.xml.wss.impl.callback.DecryptionKeyCallback.X509IssuerSerialBasedRequest)
112 * @see #handleX509SubjectKeyIdentifierBasedRequest(com.sun.xml.wss.impl.callback.DecryptionKeyCallback,
113 * com.sun.xml.wss.impl.callback.DecryptionKeyCallback.X509SubjectKeyIdentifierBasedRequest)
114 */
115 protected final void handlePrivateKeyRequest(DecryptionKeyCallback callback,
116 DecryptionKeyCallback.PrivateKeyRequest request)
117 throws IOException, UnsupportedCallbackException {
118 if (request instanceof DecryptionKeyCallback.PublicKeyBasedPrivKeyRequest) {
119 handlePublicKeyBasedPrivKeyRequest(callback, (DecryptionKeyCallback.PublicKeyBasedPrivKeyRequest) request);
120 }
121 else if (request instanceof DecryptionKeyCallback.X509CertificateBasedRequest) {
122 handleX509CertificateBasedRequest(callback, (DecryptionKeyCallback.X509CertificateBasedRequest) request);
123 }
124 else if (request instanceof DecryptionKeyCallback.X509IssuerSerialBasedRequest) {
125 handleX509IssuerSerialBasedRequest(callback, (DecryptionKeyCallback.X509IssuerSerialBasedRequest) request);
126 }
127 else if (request instanceof DecryptionKeyCallback.X509SubjectKeyIdentifierBasedRequest) {
128 handleX509SubjectKeyIdentifierBasedRequest(callback,
129 (DecryptionKeyCallback.X509SubjectKeyIdentifierBasedRequest) request);
130 }
131 else {
132 throw new UnsupportedCallbackException(callback);
133 }
134 }
135
136 /**
137 * Template method that handles <code>DecryptionKeyCallback</code>s with <code>PublicKeyBasedPrivKeyRequest</code>s.
138 * Called from <code>handlePrivateKeyRequest()</code>. Default implementation throws an
139 * <code>UnsupportedCallbackException</code>.
140 */
141 protected void handlePublicKeyBasedPrivKeyRequest(DecryptionKeyCallback callback,
142 DecryptionKeyCallback.PublicKeyBasedPrivKeyRequest request)
143 throws IOException, UnsupportedCallbackException {
144 throw new UnsupportedCallbackException(callback);
145 }
146
147 /**
148 * Template method that handles <code>DecryptionKeyCallback</code>s with <code>X509CertificateBasedRequest</code>s.
149 * Called from <code>handlePrivateKeyRequest()</code>. Default implementation throws an
150 * <code>UnsupportedCallbackException</code>.
151 */
152 protected void handleX509CertificateBasedRequest(DecryptionKeyCallback callback,
153 DecryptionKeyCallback.X509CertificateBasedRequest request)
154 throws IOException, UnsupportedCallbackException {
155 throw new UnsupportedCallbackException(callback);
156 }
157
158 /**
159 * Template method that handles <code>DecryptionKeyCallback</code>s with <code>X509IssuerSerialBasedRequest</code>s.
160 * Called from <code>handlePrivateKeyRequest()</code>. Default implementation throws an
161 * <code>UnsupportedCallbackException</code>.
162 */
163 protected void handleX509IssuerSerialBasedRequest(DecryptionKeyCallback callback,
164 DecryptionKeyCallback.X509IssuerSerialBasedRequest request)
165 throws IOException, UnsupportedCallbackException {
166 throw new UnsupportedCallbackException(callback);
167 }
168
169 /**
170 * Template method that handles <code>DecryptionKeyCallback</code>s with <code>X509SubjectKeyIdentifierBasedRequest</code>s.
171 * Called from <code>handlePrivateKeyRequest()</code>. Default implementation throws an
172 * <code>UnsupportedCallbackException</code>.
173 */
174 protected void handleX509SubjectKeyIdentifierBasedRequest(DecryptionKeyCallback callback,
175 DecryptionKeyCallback.X509SubjectKeyIdentifierBasedRequest request)
176 throws IOException, UnsupportedCallbackException {
177 throw new UnsupportedCallbackException(callback);
178 }
179
180 /**
181 * Method that handles <code>DecryptionKeyCallback</code>s with <code>SymmetricKeyRequest</code> . Called from
182 * <code>handleDecryptionKeyCallback()</code>. Default implementation delegates to specific handling methods.
183 *
184 * @see #handleAliasSymmetricKeyRequest(com.sun.xml.wss.impl.callback.DecryptionKeyCallback,
185 * com.sun.xml.wss.impl.callback.DecryptionKeyCallback.AliasSymmetricKeyRequest)
186 */
187 protected final void handleSymmetricKeyRequest(DecryptionKeyCallback callback,
188 DecryptionKeyCallback.SymmetricKeyRequest request)
189 throws IOException, UnsupportedCallbackException {
190 if (request instanceof DecryptionKeyCallback.AliasSymmetricKeyRequest) {
191 DecryptionKeyCallback.AliasSymmetricKeyRequest aliasSymmetricKeyRequest =
192 (DecryptionKeyCallback.AliasSymmetricKeyRequest) request;
193 handleAliasSymmetricKeyRequest(callback, aliasSymmetricKeyRequest);
194 }
195 else {
196 throw new UnsupportedCallbackException(callback);
197 }
198 }
199
200 /**
201 * Template method that handles <code>DecryptionKeyCallback</code>s with <code>AliasSymmetricKeyRequest</code>s.
202 * Called from <code>handleSymmetricKeyRequest()</code>. Default implementation throws an
203 * <code>UnsupportedCallbackException</code>.
204 */
205 protected void handleAliasSymmetricKeyRequest(DecryptionKeyCallback callback,
206 DecryptionKeyCallback.AliasSymmetricKeyRequest request)
207 throws IOException, UnsupportedCallbackException {
208 throw new UnsupportedCallbackException(callback);
209 }
210
211 //
212 // Encryption
213 //
214
215 /**
216 * Method that handles <code>EncryptionKeyCallback</code>s. Called from <code>handleInternal()</code>. Default
217 * implementation delegates to specific handling methods.
218 *
219 * @see #handleSymmetricKeyRequest(com.sun.xml.wss.impl.callback.EncryptionKeyCallback,
220 * com.sun.xml.wss.impl.callback.EncryptionKeyCallback.SymmetricKeyRequest)
221 * @see #handleX509CertificateRequest(com.sun.xml.wss.impl.callback.EncryptionKeyCallback,
222 * com.sun.xml.wss.impl.callback.EncryptionKeyCallback.X509CertificateRequest)
223 */
224 protected final void handleEncryptionKeyCallback(EncryptionKeyCallback callback)
225 throws IOException, UnsupportedCallbackException {
226 if (callback.getRequest() instanceof EncryptionKeyCallback.SymmetricKeyRequest) {
227 handleSymmetricKeyRequest(callback, (EncryptionKeyCallback.SymmetricKeyRequest) callback.getRequest());
228 }
229 else if (callback.getRequest() instanceof EncryptionKeyCallback.X509CertificateRequest) {
230 handleX509CertificateRequest(callback,
231 (EncryptionKeyCallback.X509CertificateRequest) callback.getRequest());
232 }
233 else {
234 throw new UnsupportedCallbackException(callback);
235
236 }
237 }
238
239 /**
240 * Method that handles <code>EncryptionKeyCallback</code>s with <code>SymmetricKeyRequest</code> . Called from
241 * <code>handleEncryptionKeyCallback()</code>. Default implementation delegates to specific handling methods.
242 *
243 * @see #handleAliasSymmetricKeyRequest(com.sun.xml.wss.impl.callback.EncryptionKeyCallback,
244 * com.sun.xml.wss.impl.callback.EncryptionKeyCallback.AliasSymmetricKeyRequest)
245 */
246 protected final void handleSymmetricKeyRequest(EncryptionKeyCallback callback,
247 EncryptionKeyCallback.SymmetricKeyRequest request)
248 throws IOException, UnsupportedCallbackException {
249 if (request instanceof EncryptionKeyCallback.AliasSymmetricKeyRequest) {
250 handleAliasSymmetricKeyRequest(callback, (EncryptionKeyCallback.AliasSymmetricKeyRequest) request);
251 }
252 }
253
254 /**
255 * Template method that handles <code>EncryptionKeyCallback</code>s with <code>AliasSymmetricKeyRequest</code>s.
256 * Called from <code>handleSymmetricKeyRequest()</code>. Default implementation throws an
257 * <code>UnsupportedCallbackException</code>.
258 */
259 protected void handleAliasSymmetricKeyRequest(EncryptionKeyCallback callback,
260 EncryptionKeyCallback.AliasSymmetricKeyRequest request)
261 throws IOException, UnsupportedCallbackException {
262 throw new UnsupportedCallbackException(callback);
263 }
264
265 /**
266 * Method that handles <code>EncryptionKeyCallback</code>s with <code>X509CertificateRequest</code> . Called from
267 * <code>handleEncryptionKeyCallback()</code>. Default implementation delegates to specific handling methods.
268 *
269 * @see #handleAliasX509CertificateRequest(com.sun.xml.wss.impl.callback.EncryptionKeyCallback,
270 * com.sun.xml.wss.impl.callback.EncryptionKeyCallback.AliasX509CertificateRequest)
271 * @see #handleDefaultX509CertificateRequest(com.sun.xml.wss.impl.callback.EncryptionKeyCallback,
272 * com.sun.xml.wss.impl.callback.EncryptionKeyCallback.DefaultX509CertificateRequest)
273 * @see #handlePublicKeyBasedRequest(com.sun.xml.wss.impl.callback.EncryptionKeyCallback,
274 * com.sun.xml.wss.impl.callback.EncryptionKeyCallback.PublicKeyBasedRequest)
275 */
276 protected final void handleX509CertificateRequest(EncryptionKeyCallback callback,
277 EncryptionKeyCallback.X509CertificateRequest request)
278 throws IOException, UnsupportedCallbackException {
279 if (request instanceof EncryptionKeyCallback.AliasX509CertificateRequest) {
280 handleAliasX509CertificateRequest(callback, (EncryptionKeyCallback.AliasX509CertificateRequest) request);
281 }
282 else if (request instanceof EncryptionKeyCallback.DefaultX509CertificateRequest) {
283 handleDefaultX509CertificateRequest(callback,
284 (EncryptionKeyCallback.DefaultX509CertificateRequest) request);
285 }
286 else if (request instanceof EncryptionKeyCallback.PublicKeyBasedRequest) {
287 handlePublicKeyBasedRequest(callback, (EncryptionKeyCallback.PublicKeyBasedRequest) request);
288 }
289 else {
290 throw new UnsupportedCallbackException(callback);
291 }
292 }
293
294 /**
295 * Template method that handles <code>EncryptionKeyCallback</code>s with <code>AliasX509CertificateRequest</code>s.
296 * Called from <code>handleX509CertificateRequest()</code>. Default implementation throws an
297 * <code>UnsupportedCallbackException</code>.
298 */
299 protected void handleAliasX509CertificateRequest(EncryptionKeyCallback callback,
300 EncryptionKeyCallback.AliasX509CertificateRequest request)
301 throws IOException, UnsupportedCallbackException {
302 throw new UnsupportedCallbackException(callback);
303 }
304
305 /**
306 * Template method that handles <code>EncryptionKeyCallback</code>s with <code>DefaultX509CertificateRequest</code>s.
307 * Called from <code>handleX509CertificateRequest()</code>. Default implementation throws an
308 * <code>UnsupportedCallbackException</code>.
309 */
310 protected void handleDefaultX509CertificateRequest(EncryptionKeyCallback callback,
311 EncryptionKeyCallback.DefaultX509CertificateRequest request)
312 throws IOException, UnsupportedCallbackException {
313 throw new UnsupportedCallbackException(callback);
314 }
315
316 /**
317 * Template method that handles <code>EncryptionKeyCallback</code>s with <code>PublicKeyBasedRequest</code>s. Called
318 * from <code>handleX509CertificateRequest()</code>. Default implementation throws an
319 * <code>UnsupportedCallbackException</code>.
320 */
321 protected void handlePublicKeyBasedRequest(EncryptionKeyCallback callback,
322 EncryptionKeyCallback.PublicKeyBasedRequest request)
323 throws IOException, UnsupportedCallbackException {
324 throw new UnsupportedCallbackException(callback);
325 }
326
327 //
328 // Signing
329 //
330
331 /**
332 * Method that handles <code>SignatureKeyCallback</code>s. Called from <code>handleInternal()</code>. Default
333 * implementation delegates to specific handling methods.
334 *
335 * @see #handlePrivKeyCertRequest(com.sun.xml.wss.impl.callback.SignatureKeyCallback,
336 * com.sun.xml.wss.impl.callback.SignatureKeyCallback.PrivKeyCertRequest)
337 */
338 protected final void handleSignatureKeyCallback(SignatureKeyCallback callback)
339 throws IOException, UnsupportedCallbackException {
340 if (callback.getRequest() instanceof SignatureKeyCallback.PrivKeyCertRequest) {
341 handlePrivKeyCertRequest(callback, (SignatureKeyCallback.PrivKeyCertRequest) callback.getRequest());
342 }
343 else {
344 throw new UnsupportedCallbackException(callback);
345 }
346 }
347
348 /**
349 * Method that handles <code>SignatureKeyCallback</code>s with <code>PrivKeyCertRequest</code>s. Called from
350 * <code>handleSignatureKeyCallback()</code>. Default implementation delegates to specific handling methods.
351 *
352 * @see #handleDefaultPrivKeyCertRequest(com.sun.xml.wss.impl.callback.SignatureKeyCallback,
353 * com.sun.xml.wss.impl.callback.SignatureKeyCallback.DefaultPrivKeyCertRequest)
354 * @see #handleAliasPrivKeyCertRequest(com.sun.xml.wss.impl.callback.SignatureKeyCallback,
355 * com.sun.xml.wss.impl.callback.SignatureKeyCallback.AliasPrivKeyCertRequest)
356 * @see #handlePublicKeyBasedPrivKeyCertRequest(com.sun.xml.wss.impl.callback.SignatureKeyCallback,
357 * com.sun.xml.wss.impl.callback.SignatureKeyCallback.PublicKeyBasedPrivKeyCertRequest)
358 */
359 protected final void handlePrivKeyCertRequest(SignatureKeyCallback cb,
360 SignatureKeyCallback.PrivKeyCertRequest request)
361 throws IOException, UnsupportedCallbackException {
362 if (request instanceof SignatureKeyCallback.DefaultPrivKeyCertRequest) {
363 handleDefaultPrivKeyCertRequest(cb, (SignatureKeyCallback.DefaultPrivKeyCertRequest) request);
364 }
365 else if (cb.getRequest() instanceof SignatureKeyCallback.AliasPrivKeyCertRequest) {
366 handleAliasPrivKeyCertRequest(cb, (SignatureKeyCallback.AliasPrivKeyCertRequest) request);
367 }
368 else if (cb.getRequest() instanceof SignatureKeyCallback.PublicKeyBasedPrivKeyCertRequest) {
369 handlePublicKeyBasedPrivKeyCertRequest(cb, (SignatureKeyCallback.PublicKeyBasedPrivKeyCertRequest) request);
370 }
371 else {
372 throw new UnsupportedCallbackException(cb);
373 }
374 }
375
376 /**
377 * Template method that handles <code>SignatureKeyCallback</code>s with <code>DefaultPrivKeyCertRequest</code>s.
378 * Called from <code>handlePrivKeyCertRequest()</code>. Default implementation throws an
379 * <code>UnsupportedCallbackException</code>.
380 */
381 protected void handleDefaultPrivKeyCertRequest(SignatureKeyCallback callback,
382 SignatureKeyCallback.DefaultPrivKeyCertRequest request)
383 throws IOException, UnsupportedCallbackException {
384 throw new UnsupportedCallbackException(callback);
385 }
386
387 /**
388 * Template method that handles <code>SignatureKeyCallback</code>s with <code>AliasPrivKeyCertRequest</code>s.
389 * Called from <code>handlePrivKeyCertRequest()</code>. Default implementation throws an
390 * <code>UnsupportedCallbackException</code>.
391 */
392 protected void handleAliasPrivKeyCertRequest(SignatureKeyCallback callback,
393 SignatureKeyCallback.AliasPrivKeyCertRequest request)
394 throws IOException, UnsupportedCallbackException {
395 throw new UnsupportedCallbackException(callback);
396 }
397
398 /**
399 * Template method that handles <code>SignatureKeyCallback</code>s with <code>PublicKeyBasedPrivKeyCertRequest</code>s.
400 * Called from <code>handlePrivKeyCertRequest()</code>. Default implementation throws an
401 * <code>UnsupportedCallbackException</code>.
402 */
403 protected void handlePublicKeyBasedPrivKeyCertRequest(SignatureKeyCallback callback,
404 SignatureKeyCallback.PublicKeyBasedPrivKeyCertRequest request)
405 throws IOException, UnsupportedCallbackException {
406 throw new UnsupportedCallbackException(callback);
407 }
408
409 //
410 // Signature verification
411 //
412
413 /**
414 * Method that handles <code>SignatureVerificationKeyCallback</code>s. Called from <code>handleInternal()</code>.
415 * Default implementation delegates to specific handling methods.
416 *
417 * @see #handleX509CertificateRequest(com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback,
418 * com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback.X509CertificateRequest)
419 */
420 protected final void handleSignatureVerificationKeyCallback(SignatureVerificationKeyCallback callback)
421 throws UnsupportedCallbackException, IOException {
422 if (callback.getRequest() instanceof SignatureVerificationKeyCallback.X509CertificateRequest) {
423 handleX509CertificateRequest(callback,
424 (SignatureVerificationKeyCallback.X509CertificateRequest) callback.getRequest());
425 }
426 else {
427 throw new UnsupportedCallbackException(callback);
428 }
429 }
430
431 /**
432 * Method that handles <code>SignatureVerificationKeyCallback</code>s with <code>X509CertificateRequest</code>s.
433 * Called from <code>handleSignatureVerificationKeyCallback()</code>. Default implementation delegates to specific
434 * handling methods.
435 *
436 * @see #handlePublicKeyBasedRequest(com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback,
437 * com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback.PublicKeyBasedRequest)
438 * @see #handleX509IssuerSerialBasedRequest(com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback,
439 * com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback.X509IssuerSerialBasedRequest)
440 * @see #handleX509SubjectKeyIdentifierBasedRequest(com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback,
441 * com.sun.xml.wss.impl.callback.SignatureVerificationKeyCallback.X509SubjectKeyIdentifierBasedRequest)
442 */
443 protected final void handleX509CertificateRequest(SignatureVerificationKeyCallback callback,
444 SignatureVerificationKeyCallback.X509CertificateRequest request)
445 throws UnsupportedCallbackException, IOException {
446 if (request instanceof SignatureVerificationKeyCallback.PublicKeyBasedRequest) {
447 handlePublicKeyBasedRequest(callback, (SignatureVerificationKeyCallback.PublicKeyBasedRequest) request);
448 }
449 else if (request instanceof SignatureVerificationKeyCallback.X509IssuerSerialBasedRequest) {
450 handleX509IssuerSerialBasedRequest(callback,
451 (SignatureVerificationKeyCallback.X509IssuerSerialBasedRequest) request);
452 }
453 else if (request instanceof SignatureVerificationKeyCallback.X509SubjectKeyIdentifierBasedRequest) {
454 handleX509SubjectKeyIdentifierBasedRequest(callback,
455 (SignatureVerificationKeyCallback.X509SubjectKeyIdentifierBasedRequest) request);
456 }
457 else {
458 throw new UnsupportedCallbackException(callback);
459 }
460 }
461
462 /**
463 * Template method that handles <code>SignatureKeyCallback</code>s with <code>PublicKeyBasedPrivKeyCertRequest</code>s.
464 * Called from <code>handlePrivKeyCertRequest()</code>. Default implementation throws an
465 * <code>UnsupportedCallbackException</code>.
466 */
467 protected void handleX509SubjectKeyIdentifierBasedRequest(SignatureVerificationKeyCallback callback,
468 SignatureVerificationKeyCallback.X509SubjectKeyIdentifierBasedRequest request)
469 throws IOException, UnsupportedCallbackException {
470 throw new UnsupportedCallbackException(callback);
471 }
472
473 /**
474 * Template method that handles <code>SignatureKeyCallback</code>s with <code>X509IssuerSerialBasedRequest</code>s.
475 * Called from <code>handlePrivKeyCertRequest()</code>. Default implementation throws an
476 * <code>UnsupportedCallbackException</code>.
477 */
478 protected void handleX509IssuerSerialBasedRequest(SignatureVerificationKeyCallback callback,
479 SignatureVerificationKeyCallback.X509IssuerSerialBasedRequest request)
480 throws IOException, UnsupportedCallbackException {
481 throw new UnsupportedCallbackException(callback);
482 }
483
484 /**
485 * Template method that handles <code>SignatureKeyCallback</code>s with <code>PublicKeyBasedRequest</code>s. Called
486 * from <code>handlePrivKeyCertRequest()</code>. Default implementation throws an
487 * <code>UnsupportedCallbackException</code>.
488 */
489 protected void handlePublicKeyBasedRequest(SignatureVerificationKeyCallback callback,
490 SignatureVerificationKeyCallback.PublicKeyBasedRequest request)
491 throws IOException, UnsupportedCallbackException {
492 throw new UnsupportedCallbackException(callback);
493 }
494 }