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  * See LICENSE for the full license text, also available.
   7  *******************************************************************************/
   8 package org.eclipse.egit.ui;
   9
  10 import java.net.Authenticator;
  11 import java.net.InetAddress;
  12 import java.net.PasswordAuthentication;
  13 import java.net.UnknownHostException;
  14
  15 import org.eclipse.core.net.proxy.IProxyData;
  16 import org.eclipse.core.net.proxy.IProxyService;
  17
  18 class EclipseAuthenticator extends Authenticator {
  19         private final IProxyService service;
  20
  21         EclipseAuthenticator(final IProxyService s) {
  22                 service = s;
  23         }
  24
  25         @Override
  26         protected PasswordAuthentication getPasswordAuthentication() {
  27                 final IProxyData[] data = service.getProxyData();
  28                 if (data == null)
  29                         return null;
  30                 for (final IProxyData d : data) {
  31                         if (d.getUserId() == null || d.getHost() == null)
  32                                 continue;
  33                         if (d.getPort() == getRequestingPort() && hostMatches(d))
  34                                 return auth(d);
  35                 }
  36                 return null;
  37         }
  38
  39         private PasswordAuthentication auth(final IProxyData d) {
  40                 final String user = d.getUserId();
  41                 final String pass = d.getPassword();
  42                 final char[] passChar = pass != null ? pass.toCharArray() : new char[0];
  43                 return new PasswordAuthentication(user, passChar);
  44         }
  45
  46         private boolean hostMatches(final IProxyData d) {
  47                 try {
  48                         final InetAddress dHost = InetAddress.getByName(d.getHost());
  49                         InetAddress rHost = getRequestingSite();
  50                         if (rHost == null)
  51                                 rHost = InetAddress.getByName(getRequestingHost());
  52                         return dHost.equals(rHost);
  53                 } catch (UnknownHostException err) {
  54                         return false;
  55                 }
  56         }
  57 }