/*
* $Header: /home/cvs/jakarta-commons/httpclient/src/examples/InteractiveAuthenticationExample.java,v 1.2 2004/02/22 18:08:45 olegk Exp $
* $Revision: 1.2 $
* $Date: 2004/02/22 18:08:45 $
* ====================================================================
*
* Copyright 1999-2004 The Apache Software Foundation
*
* 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.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*
* [Additional notices, if required by prior licensing conditions]
*
*/
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import org.apache.commons.httpclient.Credentials;
import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.NTCredentials;
import org.apache.commons.httpclient.UsernamePasswordCredentials;
import org.apache.commons.httpclient.auth.AuthScheme;
import org.apache.commons.httpclient.auth.CredentialsProvider;
import org.apache.commons.httpclient.auth.CredentialsNotAvailableException;
import org.apache.commons.httpclient.auth.NTLMScheme;
import org.apache.commons.httpclient.auth.RFC2617Scheme;
import org.apache.commons.httpclient.methods.GetMethod;
/**
* A simple example that uses HttpClient to perform interactive
* authentication.
*
* @author Oleg Kalnichevski
*/
public class InteractiveAuthenticationExample {
/**
* Constructor for InteractiveAuthenticationExample.
*/
public InteractiveAuthenticationExample() {
super();
}
public static void main(String[] args) throws Exception {
InteractiveAuthenticationExample demo = new InteractiveAuthenticationExample();
demo.doDemo();
}
private void doDemo() throws IOException {
HttpClient client = new HttpClient();
client.getParams().setParameter(
CredentialsProvider.PROVIDER, new ConsoleAuthPrompter());
GetMethod httpget = new GetMethod("http://target-host/requires-auth.html");
httpget.setDoAuthentication(true);
try {
// execute the GET
int status = client.executeMethod(httpget);
// print the status and response
System.out.println(httpget.getStatusLine().toString());
System.out.println(httpget.getResponseBodyAsString());
} finally {
// release any connection resources used by the method
httpget.releaseConnection();
}
}
public class ConsoleAuthPrompter implements CredentialsProvider {
private BufferedReader in = null;
public ConsoleAuthPrompter() {
super();
this.in = new BufferedReader(new InputStreamReader(System.in));
}
private String readConsole() throws IOException {
return this.in.readLine();
}
public Credentials getCredentials(
final AuthScheme authscheme,
final String host,
int port,
boolean proxy)
throws CredentialsNotAvailableException
{
if (authscheme == null) {
return null;
}
try{
if (authscheme instanceof NTLMScheme) {
System.out.println(host + ":" + port + " requires Windows authentication");
System.out.print("Enter domain: ");
String domain = readConsole();
System.out.print("Enter username: ");
String user = readConsole();
System.out.print("Enter password: ");
String password = readConsole();
return new NTCredentials(user, password, host, domain);
} else
if (authscheme instanceof RFC2617Scheme) {
System.out.println(host + ":" + port + " requires authentication with the realm '"
+ authscheme.getRealm() + "'");
System.out.print("Enter username: ");
String user = readConsole();
System.out.print("Enter password: ");
String password = readConsole();
return new UsernamePasswordCredentials(user, password);
} else {
throw new CredentialsNotAvailableException("Unsupported authentication scheme: " +
authscheme.getSchemeName());
}
} catch (IOException e) {
throw new CredentialsNotAvailableException(e.getMessage(), e);
}
}
}
}