/*
    * ====================================================================
    * 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.hc.client5.http.examples;
  
  import org.apache.hc.client5.http.auth.AuthScope;
  import org.apache.hc.client5.http.auth.CredentialsProvider;
  import org.apache.hc.client5.http.classic.methods.HttpGet;
  import org.apache.hc.client5.http.config.RequestConfig;
  import org.apache.hc.client5.http.impl.auth.CredentialsProviderBuilder;
  import org.apache.hc.client5.http.impl.classic.CloseableHttpClient;
  import org.apache.hc.client5.http.impl.classic.HttpClients;
  import org.apache.hc.core5.http.HttpHost;
  import org.apache.hc.core5.http.io.entity.EntityUtils;
  import org.apache.hc.core5.http.message.StatusLine;
  
  /**
   * A simple example that uses HttpClient to execute an HTTP request
   * over a secure connection tunneled through an authenticating proxy.
   */
  public class ClientProxyAuthentication {
  
      public static void main(final String[] args) throws Exception {
          final CredentialsProvider credsProvider = CredentialsProviderBuilder.create()
                  .add(new AuthScope("localhost", 8888), "squid", "squid".toCharArray())
                  .add(new AuthScope("httpbin.org", 80), "user", "passwd".toCharArray())
                  .build();
          final HttpHost target = new HttpHost("http", "httpbin.org", 80);
          final HttpHost proxy = new HttpHost("localhost", 8888);
          try (final CloseableHttpClient httpclient = HttpClients.custom()
                  .setProxy(proxy)
                  .setDefaultCredentialsProvider(credsProvider)
                  .build()) {
  
              final RequestConfig config = RequestConfig.custom()
                  .build();
              final HttpGet httpget = new HttpGet("/basic-auth/user/passwd");
              httpget.setConfig(config);
  
              System.out.println("Executing request " + httpget.getMethod() + " " + httpget.getUri() +
                      " via " + proxy);
  
              httpclient.execute(httpget, response -> {
                  System.out.println("----------------------------------------");
                  System.out.println(httpget + "->" + new StatusLine(response));
                  EntityUtils.consume(response.getEntity());
                  return null;
              });
          }
      }
  }