174
175 try {
176 String response;
177 byte[] incoming = null;
178 String[] parts = raw.split("\\s+");
179 if (parts.length > 1) {
180 incoming = Base64.getDecoder().decode(parts[1]);
181 }
182 response = hci.scheme + " " + Base64.getEncoder().encodeToString(
183 incoming==null?firstToken():nextToken(incoming));
184
185 conn.setAuthenticationProperty(getHeaderName(), response);
186 return true;
187 } catch (IOException e) {
188 return false;
189 }
190 }
191
192 /**
193 * return the first token.
194 * @returns the token
195 * @throws IOException if <code>Negotiator.getNegotiator()</code> or
196 * <code>Negotiator.firstToken()</code> failed.
197 */
198 private byte[] firstToken() throws IOException {
199 negotiator = null;
200 if (cache != null) {
201 synchronized(cache) {
202 negotiator = cache.get(getHost());
203 if (negotiator != null) {
204 cache.remove(getHost()); // so that it is only used once
205 }
206 }
207 }
208 if (negotiator == null) {
209 negotiator = Negotiator.getNegotiator(hci);
210 if (negotiator == null) {
211 IOException ioe = new IOException("Cannot initialize Negotiator");
212 throw ioe;
213 }
214 }
215
216 return negotiator.firstToken();
217 }
218
219 /**
220 * return more tokens
221 * @param token the token to be fed into <code>negotiator.nextToken()</code>
222 * @returns the token
223 * @throws IOException if <code>negotiator.nextToken()</code> throws Exception.
224 * May happen if the input token is invalid.
225 */
226 private byte[] nextToken(byte[] token) throws IOException {
227 return negotiator.nextToken(token);
228 }
229
230 // MS will send a final WWW-Authenticate even if the status is already
231 // 200 OK. The token can be fed into initSecContext() again to determine
232 // if the server can be trusted. This is not the same concept as Digest's
233 // Authentication-Info header.
234 //
235 // Currently we ignore this header.
236
237 }
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174
175 try {
176 String response;
177 byte[] incoming = null;
178 String[] parts = raw.split("\\s+");
179 if (parts.length > 1) {
180 incoming = Base64.getDecoder().decode(parts[1]);
181 }
182 response = hci.scheme + " " + Base64.getEncoder().encodeToString(
183 incoming==null?firstToken():nextToken(incoming));
184
185 conn.setAuthenticationProperty(getHeaderName(), response);
186 return true;
187 } catch (IOException e) {
188 return false;
189 }
190 }
191
192 /**
193 * return the first token.
194 * @return the token
195 * @throws IOException if <code>Negotiator.getNegotiator()</code> or
196 * <code>Negotiator.firstToken()</code> failed.
197 */
198 private byte[] firstToken() throws IOException {
199 negotiator = null;
200 if (cache != null) {
201 synchronized(cache) {
202 negotiator = cache.get(getHost());
203 if (negotiator != null) {
204 cache.remove(getHost()); // so that it is only used once
205 }
206 }
207 }
208 if (negotiator == null) {
209 negotiator = Negotiator.getNegotiator(hci);
210 if (negotiator == null) {
211 IOException ioe = new IOException("Cannot initialize Negotiator");
212 throw ioe;
213 }
214 }
215
216 return negotiator.firstToken();
217 }
218
219 /**
220 * return more tokens
221 * @param token the token to be fed into <code>negotiator.nextToken()</code>
222 * @return the token
223 * @throws IOException if <code>negotiator.nextToken()</code> throws Exception.
224 * May happen if the input token is invalid.
225 */
226 private byte[] nextToken(byte[] token) throws IOException {
227 return negotiator.nextToken(token);
228 }
229
230 // MS will send a final WWW-Authenticate even if the status is already
231 // 200 OK. The token can be fed into initSecContext() again to determine
232 // if the server can be trusted. This is not the same concept as Digest's
233 // Authentication-Info header.
234 //
235 // Currently we ignore this header.
236
237 }
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