/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2006-2017 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://oss.oracle.com/licenses/CDDL+GPL-1.1
* or LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.s1asdev.security.jmac.httpservletchallenge;
import java.util.Map;
import java.security.AccessController;
import java.security.PrivilegedAction;
import javax.security.auth.Subject;
import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.message.AuthException;
import javax.security.auth.message.AuthStatus;
import javax.security.auth.message.MessageInfo;
import javax.security.auth.message.MessagePolicy;
import javax.security.auth.message.callback.CallerPrincipalCallback;
import javax.security.auth.message.callback.PasswordValidationCallback;
import javax.security.auth.message.module.ServerAuthModule;
import javax.servlet.http.HttpSession;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import sun.misc.BASE64Decoder;
public class HttpServletChallengeTestAuthModule implements ServerAuthModule {
private CallbackHandler handler = null;
public void initialize(MessagePolicy requestPolicy,
MessagePolicy responsePolicy,
CallbackHandler handler,
Map options)
throws AuthException {
this.handler = handler;
}
public Class[] getSupportedMessageTypes() {
return new Class[] { HttpServletRequest.class, HttpServletResponse.class };
}
public AuthStatus validateRequest(MessageInfo messageInfo,
Subject clientSubject,
Subject serviceSubject) throws AuthException {
if (!isMandatory(messageInfo)) {
return AuthStatus.SUCCESS;
}
String username = null;
String password = null;
try {
HttpServletRequest request =
(HttpServletRequest)messageInfo.getRequestMessage();
String authorization = request.getHeader("authorization");
if (authorization != null &&
authorization.toLowerCase().startsWith("basic ")) {
authorization = authorization.substring(6).trim();
BASE64Decoder decoder = new BASE64Decoder();
byte[] bs = decoder.decodeBuffer(authorization);
String decodedString = new String(bs);
int ind = decodedString.indexOf(':');
if (ind > 0) {
username = decodedString.substring(0, ind);
password = decodedString.substring(ind + 1);
}
}
HttpServletResponse response =
(HttpServletResponse)messageInfo.getResponseMessage();
if (username == null || password == null) {
response.setHeader("WWW-Authenticate", "Basic realm=\"default\"");
response.sendError(HttpServletResponse.SC_UNAUTHORIZED);
System.out.println("login prompt for username/password");
return AuthStatus.SEND_CONTINUE;
}
HttpSession session = request.getSession(false);
boolean secondPhase = (session != null &&
session.getValue("FIRST_DONE") != null);
String loginName = ((secondPhase)? username + "_2" : username);
char[] pwd = new char[password.length()];
password.getChars(0, password.length(), pwd, 0);
Callback[] callbacks;
PasswordValidationCallback pwdCallback =
new PasswordValidationCallback(clientSubject, loginName, pwd);
if (secondPhase) {
CallerPrincipalCallback cpCallback =
new CallerPrincipalCallback(clientSubject, username);
callbacks = new Callback[] { pwdCallback, cpCallback };
} else {
callbacks = new Callback[] { pwdCallback };
}
System.out.println("Subject before invoking callbacks: " + clientSubject);
handler.handle(callbacks);
System.out.println("Subject after invoking callbacks: " + clientSubject);
if (pwdCallback.getResult()) {
System.out.print("login success: " + username + ", " + password);
if (secondPhase) {
System.out.println(" for second level");
request.setAttribute("MY_NAME", getClass().getName());
messageInfo.getMap().put("javax.servlet.http.authType", "MC");
return AuthStatus.SUCCESS;
} else {
System.out.println(" for first level");
response.setHeader("WWW-Authenticate", "Basic realm=\"default\"");
if (session == null) {
session = request.getSession(true);
session.putValue("FIRST_DONE", Boolean.TRUE);
}
response.setStatus(HttpServletResponse.SC_UNAUTHORIZED);
return AuthStatus.SEND_SUCCESS;
}
} else {
System.out.println("login fails: " + username + ", " + password);
return AuthStatus.SEND_FAILURE;
}
} catch(Throwable t) {
System.out.println("login fails: " + username + ", " + password);
t.printStackTrace();
return AuthStatus.SEND_FAILURE;
}
}
public AuthStatus secureResponse(MessageInfo messageInfo,
Subject serviceSubject) throws AuthException {
return AuthStatus.SUCCESS;
}
public void cleanSubject(MessageInfo messageInfo, Subject subject)
throws AuthException {
}
private boolean isMandatory(MessageInfo messageInfo) {
return Boolean.valueOf((String)messageInfo.getMap().get(
"javax.security.auth.message.MessagePolicy.isMandatory"));
}
}