org.eclipse.egit.ui/src/org/eclipse/egit/ui/EclipseAuthenticator.java

   1 /*******************************************************************************
   2  * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
   3  *
   4  * All rights reserved. This program and the accompanying materials
   5  * are made available under the terms of the Eclipse Public License v1.0
   6  * which accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *******************************************************************************/
   9 package org.eclipse.egit.ui;
  10
  11 import java.net.Authenticator;
  12 import java.net.InetAddress;
  13 import java.net.PasswordAuthentication;
  14 import java.net.UnknownHostException;
  15
  16 import org.eclipse.core.net.proxy.IProxyData;
  17 import org.eclipse.core.net.proxy.IProxyService;
  18
  19 class EclipseAuthenticator extends Authenticator {
  20         private final IProxyService service;
  21
  22         EclipseAuthenticator(final IProxyService s) {
  23                 service = s;
  24         }
  25
  26         @Override
  27         protected PasswordAuthentication getPasswordAuthentication() {
  28                 final IProxyData[] data = service.getProxyData();
  29                 if (data == null)
  30                         return null;
  31                 for (final IProxyData d : data) {
  32                         if (d.getUserId() == null || d.getHost() == null)
  33                                 continue;
  34                         if (d.getPort() == getRequestingPort() && hostMatches(d))
  35                                 return auth(d);
  36                 }
  37                 return null;
  38         }
  39
  40         private PasswordAuthentication auth(final IProxyData d) {
  41                 final String user = d.getUserId();
  42                 final String pass = d.getPassword();
  43                 final char[] passChar = pass != null ? pass.toCharArray() : new char[0];
  44                 return new PasswordAuthentication(user, passChar);
  45         }
  46
  47         private boolean hostMatches(final IProxyData d) {
  48                 try {
  49                         final InetAddress dHost = InetAddress.getByName(d.getHost());
  50                         InetAddress rHost = getRequestingSite();
  51                         if (rHost == null)
  52                                 rHost = InetAddress.getByName(getRequestingHost());
  53                         return dHost.equals(rHost);
  54                 } catch (UnknownHostException err) {
  55                         return false;
  56                 }
  57         }
  58 }