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/*
* Jitsi, the OpenSource Java VoIP and Instant Messaging client.
*
* Copyright @ 2015 Atlassian Pty Ltd
*
* 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 net.java.sip.communicator.impl.protocol.ssh;
import javax.swing.*;
import com.jcraft.jsch.*;
/**
* SSHUserInfo passes authentication details to JSch SSH Stack
*
* @author Shobhit Jindal
*/
class SSHUserInfo
implements UserInfo,
UIKeyboardInteractive
{
/**
* The Contact of the remote machine
*/
private ContactSSH sshContact;
/**
* Identifier for failure of authentication
* more explanation below in promptPassword function
*/
private boolean failedOnce = false;
/**
* Password field for requesting auth details from user
*/
JTextField passwordField=new JPasswordField(20);
/**
* Creates a UserInfo instance
*
* @param sshContact the contact concerned
*/
SSHUserInfo(ContactSSH sshContact)
{
this.sshContact = sshContact;
}
/**
* Returns the password of account associated with this contact
*
* @return the password of account associated with this contact
*/
public String getPassword()
{
return sshContact.getPassword();
}
/**
* Prompt for accepting the cipher information of the remote server
*
* @param str the string to display
*
* @return the user's answer
*/
public boolean promptYesNo(String str)
{
Object[] options={ "yes", "no" };
int foo=JOptionPane.showOptionDialog(null,
str,
"Warning",
JOptionPane.DEFAULT_OPTION,
JOptionPane.QUESTION_MESSAGE,
null, options, options[0]);
return foo==0;
}
/**
* Passphrase authentication presently not implemented
*
* @return null
*/
public String getPassphrase()
{ return null; }
/**
* Passphrase authentication presently not implemented
*
* @return true
*/
public boolean promptPassphrase(String message)
{ return true; }
/**
* Asks user to re-enter password information in case of an auth failure
*
* @param message the message to display
*
* @return the user's answer
*/
public boolean promptPassword(String message)
{
/**
* Auth always fails for the first time for Redhat based machines.
* Trying again with the same password
*/
if(!failedOnce)
{
failedOnce = true;
return true;
}
Object[] ob={passwordField};
int result=JOptionPane.showConfirmDialog(null, ob, "Auth Failed: "
+ message,
JOptionPane.OK_CANCEL_OPTION);
if(result==JOptionPane.OK_OPTION)
{
sshContact.setPassword(passwordField.getText());
return true;
}
return false;
}
/**
* Shows a message from server
*
* @param message The message to display
*/
public void showMessage(String message)
{
JOptionPane.showMessageDialog(null, message);
}
/**
* Keyboard Interactive Auth - not implemented
*/
public String[] promptKeyboardInteractive(
String destination,
String name,
String instruction,
String[] prompt,
boolean[] echo)
{
String response[] = new String[prompt.length];
response[0] = sshContact.getPassword();
return response;
}
}
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