| /* |
| * ==================================================================== |
| * |
| * 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/>. |
| */ |
| |
| package org.apache.http.examples.client; |
| |
| import java.io.BufferedReader; |
| import java.io.InputStreamReader; |
| |
| import org.apache.http.HttpEntity; |
| import org.apache.http.HttpHost; |
| import org.apache.http.HttpResponse; |
| import org.apache.http.HttpStatus; |
| import org.apache.http.auth.AuthScheme; |
| import org.apache.http.auth.AuthScope; |
| import org.apache.http.auth.AuthState; |
| import org.apache.http.auth.Credentials; |
| import org.apache.http.auth.UsernamePasswordCredentials; |
| 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.ExecutionContext; |
| import org.apache.http.protocol.HttpContext; |
| import org.apache.http.util.EntityUtils; |
| |
| /** |
| * 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(); |
| try { |
| // Create local execution context |
| HttpContext localContext = new BasicHttpContext(); |
| |
| 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(); |
| EntityUtils.consume(entity); |
| |
| int sc = response.getStatusLine().getStatusCode(); |
| |
| AuthState authState = null; |
| HttpHost authhost = null; |
| if (sc == HttpStatus.SC_UNAUTHORIZED) { |
| // Target host authentication required |
| authState = (AuthState) localContext.getAttribute(ClientContext.TARGET_AUTH_STATE); |
| authhost = (HttpHost) localContext.getAttribute(ExecutionContext.HTTP_TARGET_HOST); |
| } |
| if (sc == HttpStatus.SC_PROXY_AUTHENTICATION_REQUIRED) { |
| // Proxy authentication required |
| authState = (AuthState) localContext.getAttribute(ClientContext.PROXY_AUTH_STATE); |
| authhost = (HttpHost) localContext.getAttribute(ExecutionContext.HTTP_PROXY_HOST); |
| } |
| |
| if (authState != null) { |
| System.out.println("----------------------------------------"); |
| AuthScheme authscheme = authState.getAuthScheme(); |
| System.out.println("Please provide credentials for " + |
| authscheme.getRealm() + "@" + authhost.toHostString()); |
| |
| 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(new AuthScope(authhost), creds); |
| trying = true; |
| } else { |
| trying = false; |
| } |
| } else { |
| trying = false; |
| } |
| } |
| |
| } finally { |
| // When HttpClient instance is no longer needed, |
| // shut down the connection manager to ensure |
| // immediate deallocation of all system resources |
| httpclient.getConnectionManager().shutdown(); |
| } |
| } |
| } |