usermanagerpasswordcallbackhandler.java

开源的OpenId的一个java实现

/*
 * Copyright 2005-2007 WSO2, Inc. (http://wso2.com)
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.wso2.solutions.identity;

import org.apache.axis2.AxisFault;
import org.apache.ws.security.WSPasswordCallback;

import javax.security.auth.callback.Callback;
import javax.security.auth.callback.CallbackHandler;
import javax.security.auth.callback.UnsupportedCallbackException;

import java.io.IOException;

/**
 * This is the <code>javax.security.auth.callback.CallbackHandler</code>
 * implementation for Apache Rampart's user authentication.
 * 
 * This uses the WSO2 Commons Usermanager to carry out authentication using the
 * information passed in.
 * 
 * IMPORTANT : This can only be used in the cases where plain text passwords are
 * used with a UsernameToken.
 */
public class UsermanagerPasswordCallbackHandler implements CallbackHandler {

    // TODO Add a constructor that takes in the new usermanager instance

    /**
     * {@inheritDoc}
     */
    public void handle(Callback[] callbacks) throws IOException,
            UnsupportedCallbackException {

        for (int i = 0; i < callbacks.length; i++) {
            WSPasswordCallback pwcb = (WSPasswordCallback) callbacks[i];
            if (pwcb.getUsage() == WSPasswordCallback.USERNAME_TOKEN_UNKNOWN) {
                String username = pwcb.getIdentifer();
                String passwd = pwcb.getPassword();
                if (passwd != null) {
                    // TODO USe the new usermanager to auth
                    // if(connector.authenticate(username, passwd) == true){
                    // continue;
                    // }else{
                    // throw new AxisFault("User not authenticated");
                    // }

                } else {
                    throw new AxisFault("User not authenticated");
                }
            } else {
                throw new UnsupportedCallbackException(pwcb);
            }
        }

    }

}