mq5.0-source.main.mq-share.src.main.java.com.sun.messaging.jmq.auth.handlers.DigestAuthenticationHandler Maven / Gradle / Ivy
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/*
* @(#)DigestAuthenticationHandler.java 1.10 06/27/07
*/
package com.sun.messaging.jmq.auth.handlers;
import java.io.*;
import java.util.Hashtable;
import javax.security.auth.login.LoginException;
import com.sun.messaging.jmq.auth.api.client.*;
import com.sun.messaging.jmq.util.MD5;
/**
* MQ 'digest' authentication request handler
*/
public class DigestAuthenticationHandler implements AuthenticationProtocolHandler {
private String username = null;
private String password = null;
public String getType() {
return "digest";
}
/**
* This method is called right before start a authentication process
* Currently for JMQ2.0, username/password always have values (if not
* passed in createConnection() call, they are assigned default values).
*/
public void init(String username, String password,
Hashtable authProperties) throws LoginException {
this.username = username;
this.password = password;
}
public byte[] handleRequest(byte[] authRequest, int sequence)
throws LoginException {
if (username == null || password == null) {
throw new LoginException("null");
}
try {
byte[] response;
byte[] nonce = authRequest;
ByteArrayOutputStream bos = new ByteArrayOutputStream();
DataOutputStream dos = new DataOutputStream(bos);
dos.writeUTF(username);
String userpwd = MD5.getHashString(username + ":" + password);
try {
String credential = MD5.getHashString(userpwd + ":" + new String(nonce, "UTF8"));
dos.writeUTF(credential);
} catch (UnsupportedEncodingException e) {
throw new IOException(e.getMessage());
}
dos.flush();
response = bos.toByteArray();
dos.close();
return response;
} catch (IOException e) {
throw new LoginException("IOException: "+e.getMessage());
}
}
}