org.spearce.egit.ui/src/org/spearce/egit/ui/EclipseSshSessionFactory.java

   1 /*
   2  *  Copyright (C) 2008  Shawn Pearce <spearce@spearce.org>
   3  *
   4  *  This library is free software; you can redistribute it and/or
   5  *  modify it under the terms of the GNU Lesser General Public
   6  *  License, version 2.1, as published by the Free Software Foundation.
   7  *
   8  *  This library is distributed in the hope that it will be useful,
   9  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  10  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  11  *  Lesser General Public License for more details.
  12  *
  13  *  You should have received a copy of the GNU Lesser General Public
  14  *  License along with this library; if not, write to the Free Software
  15  *  Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301
  16  */
  17 package org.spearce.egit.ui;
  18
  19 import java.security.AccessController;
  20 import java.security.PrivilegedAction;
  21
  22 import org.eclipse.jsch.core.IJSchService;
  23 import org.eclipse.jsch.ui.UserInfoPrompter;
  24 import org.spearce.jgit.transport.SshSessionFactory;
  25
  26 import com.jcraft.jsch.JSchException;
  27 import com.jcraft.jsch.Session;
  28
  29 class EclipseSshSessionFactory extends SshSessionFactory {
  30         private final IJSchService provider;
  31
  32         EclipseSshSessionFactory(final IJSchService p) {
  33                 provider = p;
  34         }
  35
  36         @Override
  37         public Session getSession(final String user, final String pass,
  38                         final String host, final int port) throws JSchException {
  39                 final Session session = provider.createSession(host, port > 0 ? port
  40                                 : -1, user != null ? user : userName());
  41                 if (pass != null)
  42                         session.setPassword(pass);
  43                 else
  44                         new UserInfoPrompter(session);
  45                 return session;
  46         }
  47
  48         private static String userName() {
  49                 return AccessController.doPrivileged(new PrivilegedAction<String>() {
  50                         public String run() {
  51                                 return System.getProperty("user.name");
  52                         }
  53                 });
  54         }
  55 }