content: /**
   * JBoss, Home of Professional Open Source
   * Copyright Red Hat, Inc., and individual contributors.
   *
   * 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.
   */
  package org.jboss.aerogear.unifiedpush.service.proxy;
  
  import javax.annotation.PostConstruct;
  import javax.ejb.Singleton;
  import javax.ejb.Startup;
  import java.net.Authenticator;
  import java.net.InetSocketAddress;
  import java.net.PasswordAuthentication;
  
  
  /**
   * responsible for handling authentication challenges from outbound HTTP_PROXY
   */
  @Startup
  @Singleton
  public class ProxyConfiguration {
  
      @PostConstruct
      public void setupAuth(){
          Authenticator.setDefault(new Authenticator() {
  
              @Override protected PasswordAuthentication getPasswordAuthentication() {
                  String proxyHost = System.getenv("HTTP_PROXY_HOST");
                  String proxyUser = System.getenv("HTTP_PROXY_USER");
                  String proxyPass = System.getenv("HTTP_PROXY_PASS");
                  String hostAskingForAuth = this.getRequestingHost();
                  if(hostAskingForAuth.equals(proxyHost) && (! "".equals(proxyUser) && ! "".equals(proxyPass))){
                      return new PasswordAuthentication(proxyUser,proxyPass.toCharArray());
                  }
                  return super.getPasswordAuthentication();
              }
          });
      }
  
      public static Boolean hasHttpProxyConfig(){
          String proxyHost = System.getenv("HTTP_PROXY_HOST");
          String proxyPort = System.getenv("HTTP_PROXY_PORT");
          return ((null != proxyPort && ! "".equals(proxyPort)) && (null != proxyHost && ! "".equals(proxyHost)));
      }
  
  
      public static Boolean hasBasicAuth() {
          String proxyUser = System.getenv("HTTP_PROXY_USER");
          String proxyPass = System.getenv("HTTP_PROXY_PASS");
          return ((proxyUser != null && ! "".equals(proxyUser) && proxyPass != null && ! "".equals(proxyPass)));
      }
  
  
      public static InetSocketAddress proxyAddress(){
          String proxyHost = System.getenv("HTTP_PROXY_HOST");
          String proxyPort = System.getenv("HTTP_PROXY_PORT");
          int port = Integer.parseInt(proxyPort);
          return new InetSocketAddress(proxyHost,port);
      }
  
      public static Boolean hasSocksProxyConfig(){
          String socksHost = System.getenv("SOCKS_PROXY_HOST");
          String socksPort = System.getenv("SOCKS_PROXY_PORT");
          return ((null != socksPort && ! "".equals(socksPort)) && (null != socksHost && ! "".equals(socksHost)));
      }
  
      public static InetSocketAddress socks(){
          String socksHost = System.getenv("SOCKS_PROXY_HOST");
          String socksPort = System.getenv("SOCKS_PROXY_PORT");
          int port = Integer.parseInt(socksPort);
          return new InetSocketAddress(socksHost,port);
      }
  
      public static String getProxyUser() {
          return System.getenv("HTTP_PROXY_USER");
      }
  
      public static String getProxyPass() {
          return System.getenv("HTTP_PROXY_PASS");
      }
  }