org.wso2.andes.tools.security.Passwd.java Source code

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Here is the source code for org.wso2.andes.tools.security.Passwd.java

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/*
 * Copyright (c) 2005-2014, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. licenses this file to you 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.andes.tools.security;

import org.apache.commons.codec.binary.Base64;

import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.security.DigestException;
import java.io.IOException;
import java.io.PrintStream;

public class Passwd {
    public static void main(String args[]) throws NoSuchAlgorithmException, DigestException, IOException {
        if (args.length != 2) {
            System.out.println("Passwd <username> <password>");
            System.exit(0);
        }

        byte[] data = args[1].getBytes("utf-8");

        MessageDigest md = MessageDigest.getInstance("MD5");

        for (byte b : data) {
            md.update(b);
        }

        byte[] digest = md.digest();

        Base64 b64 = new Base64();

        byte[] encoded = b64.encode(digest);

        output(args[0], encoded);
    }

    private static void output(String user, byte[] encoded) throws IOException {

        //        File passwdFile = new File("qpid.passwd");

        PrintStream ps = new PrintStream(System.out);

        user += ":";
        ps.write(user.getBytes("utf-8"));

        for (byte b : encoded) {
            ps.write(b);
        }

        ps.println();

        ps.flush();
        ps.close();
    }
}