Android Open Source - SmartPass Retrive Password Task

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Back to project page SmartPass.

License

The source code is released under:

Copyright (c) 2013 Dax Earl, Aaron Golliver Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal ...

If you think the Android project SmartPass listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package com.passwordLib;
/*ww  w.  j a v  a  2 s . c o  m*/
import java.io.BufferedReader;
import java.io.FileReader;
import java.io.IOException;
import android.content.Context;
import android.content.Intent;
import android.os.AsyncTask;
import android.widget.Toast;

import com.example.smartpass.LoginScreen;
import com.example.smartpass.PasswordList;
import com.jcraft.jsch.Channel;
import com.jcraft.jsch.ChannelSftp;
import com.jcraft.jsch.JSch;
import com.jcraft.jsch.JSchException;
import com.jcraft.jsch.Session;
import com.jcraft.jsch.SftpException;

public class RetrivePasswordTask extends AsyncTask<Object, Void, Boolean> {

  Context context;
  String username;
  String password;

  @Override
  protected Boolean doInBackground(Object... params) {
    System.out.println("get args " + params[0]);
    context = (Context) (params[0]);
    System.out.println("get args " + params[1]);
    username = (String) (params[1]);
    System.out.println("get args " + params[2]);
    password = (String) (params[2]);
    JSch jsch = new JSch();
    Session session = null;

    final String SERVER = "app.smartfile.com";
    final String USERNAME = PasswordFile.username;
    final String PASSWORD = PasswordFile.password;

    try {
      session = jsch.getSession(USERNAME, SERVER, 22);

      session.setConfig("StrictHostKeyChecking", "no");

      session.setPassword(PASSWORD);

      session.connect();

      Channel channel = session.openChannel("sftp");

      channel.connect();

      ChannelSftp sftpChannel = (ChannelSftp) channel;

      String fileName = PasswordFile.fileName;

      sftpChannel.get(fileName, context.getFilesDir() + "/" + fileName);

      sftpChannel.exit();

      BufferedReader br = null;

      try {

        String sCurrentLine;

        br = new BufferedReader(new FileReader(context.getFilesDir()
            + "/" + fileName));

        while ((sCurrentLine = br.readLine()) != null) {
          System.out.println(sCurrentLine);
        }

      } catch (IOException e) {
        e.printStackTrace();
      } finally {
        try {
          if (br != null)
            br.close();
        } catch (IOException ex) {
          ex.printStackTrace();
        }
      }

    } catch (JSchException e) {
      e.printStackTrace();
      return false;
    } catch (SftpException e) {
      e.printStackTrace();
      return false;
    } catch (Exception e) {
      System.out.println("retrieve error");
      e.printStackTrace();
      return false;
    }
    return true;
  }

  @Override
  protected void onPostExecute(Boolean result) {
    if (result) {

      PasswordFile.initPasswordFile(username, password, context);
      Intent intent = new Intent(context, PasswordList.class);
      context.startActivity(intent);

    } else {
      System.out.println("error logging in: " + username + "|" + password);

      Intent intent = new Intent(context, LoginScreen.class);
      context.startActivity(intent);

      CharSequence errorMessage = "Could not connect to SmartFile. Either your username/password was invalid, or the server is offline.";
      int duration = Toast.LENGTH_LONG;

      Toast toast = Toast.makeText(context, errorMessage, duration);
      toast.show();
    }
  }

}

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