/*
* $HeadURL: https://svn.apache.org/repos/asf/httpcomponents/httpclient/tags/4.0-alpha3/module-client/src/examples/org/apache/http/examples/client/ClientInteractiveAuthentication.java $
* $Revision: 558321 $
* $Date: 2007-07-21 14:01:38 +0200 (Sat, 21 Jul 2007) $
* ====================================================================
*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF 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.
* ====================================================================
*
* 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]
*
*/
package org.apache.http.examples.client;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.HttpStatus;
import org.apache.http.auth.AuthScope;
import org.apache.http.auth.Credentials;
import org.apache.http.auth.UsernamePasswordCredentials;
import org.apache.http.client.AuthState;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.client.protocol.ClientContext;
import org.apache.http.impl.client.DefaultHttpClient;
import org.apache.http.protocol.BasicHttpContext;
import org.apache.http.protocol.HttpContext;
/**
* A simple example that uses HttpClient to execute an HTTP request against
* a target site that requires user authentication.
*/
public class ClientInteractiveAuthentication {
public static void main(String[] args) throws Exception {
DefaultHttpClient httpclient = new DefaultHttpClient();
// Create custom execution context
// We'll need it in order to get hold of the authentication state object
HttpContext localContext = new BasicHttpContext(httpclient.getDefaultContext());
HttpGet httpget = new HttpGet("http://localhost/test");
boolean trying = true;
while (trying) {
System.out.println("executing request " + httpget.getRequestLine());
HttpResponse response = httpclient.execute(httpget, localContext);
System.out.println("----------------------------------------");
System.out.println(response.getStatusLine());
// Consume response content
HttpEntity entity = response.getEntity();
if (entity != null) {
entity.consumeContent();
}
int sc = response.getStatusLine().getStatusCode();
AuthState authState = null;
if (sc == HttpStatus.SC_UNAUTHORIZED) {
// Target host authentication required
authState = (AuthState) localContext.getAttribute(ClientContext.TARGET_AUTH_STATE);
}
if (sc == HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED) {
// Proxy authentication required
authState = (AuthState) localContext.getAttribute(ClientContext.PROXY_AUTH_STATE);
}
if (authState != null) {
System.out.println("----------------------------------------");
AuthScope authScope = authState.getAuthScope();
System.out.println("Please provide credentials");
System.out.println(" Host: " + authScope.getHost() + ":" + authScope.getPort());
System.out.println(" Realm: " + authScope.getRealm());
BufferedReader console = new BufferedReader(new InputStreamReader(System.in));
System.out.print("Enter username: ");
String user = console.readLine();
System.out.print("Enter password: ");
String password = console.readLine();
if (user != null && user.length() > 0) {
Credentials creds = new UsernamePasswordCredentials(user, password);
httpclient.getCredentialsProvider().setCredentials(authScope, creds);
trying = true;
} else {
trying = false;
}
} else {
trying = false;
}
}
}
}