| /* |
| * Copyright 2005 Sun Microsystems, Inc. All Rights Reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package sun.net.www.protocol.http; |
| import java.io.IOException; |
| import java.net.Authenticator; |
| import java.net.PasswordAuthentication; |
| import java.util.Arrays; |
| import javax.security.auth.callback.Callback; |
| import javax.security.auth.callback.CallbackHandler; |
| import javax.security.auth.callback.NameCallback; |
| import javax.security.auth.callback.PasswordCallback; |
| import javax.security.auth.callback.UnsupportedCallbackException; |
| |
| /** |
| * @since 1.6 |
| */ |
| public class NegotiateCallbackHandler implements CallbackHandler { |
| |
| private String username; |
| private char[] password; |
| |
| public void handle(Callback[] callbacks) throws |
| UnsupportedCallbackException, IOException { |
| for (int i=0; i<callbacks.length; i++) { |
| Callback callBack = callbacks[i]; |
| |
| if (callBack instanceof NameCallback) { |
| if (username == null) { |
| PasswordAuthentication passAuth = |
| Authenticator.requestPasswordAuthentication( |
| null, null, 0, null, |
| null, "Negotiate"); |
| username = passAuth.getUserName(); |
| password = passAuth.getPassword(); |
| } |
| NameCallback nameCallback = |
| (NameCallback)callBack; |
| nameCallback.setName(username); |
| |
| } else if (callBack instanceof PasswordCallback) { |
| PasswordCallback passwordCallback = |
| (PasswordCallback)callBack; |
| if (password == null) { |
| PasswordAuthentication passAuth = |
| Authenticator.requestPasswordAuthentication( |
| null, null, 0, null, |
| null, "Negotiate"); |
| username = passAuth.getUserName(); |
| password = passAuth.getPassword(); |
| } |
| passwordCallback.setPassword(password); |
| Arrays.fill(password, ' '); |
| } else { |
| throw new UnsupportedCallbackException(callBack, |
| "Call back not supported"); |
| }//else |
| }//for |
| } |
| } |