Android Open Source - odcontrol-voice H T T P Check Authentication

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License

The source code is released under:

GNU General Public License

Java Source Code

/**
Copyright 2014 Manuel Moscoso Dominguez/* w  w  w .jav a 2  s .  co m*/
This file is part of ODControl-Voice.

ODCOntrol-Voice is free software: you can redistribute it and/or modify 
it under the terms of the GNU General Public License as published by 
the Free Software Foundation, either version 3 of the License, or 
(at your option) any later version.

ODControl-Voice is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of 
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the 
GNU General Public License for more details.

You should have received a copy of the GNU General Public License 
along with ODControl-Voice.  If not, see <http://www.gnu.org/licenses/>.

**/

package cl.mamd.communication;

import java.io.BufferedReader;
import java.io.BufferedWriter;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.OutputStreamWriter;
import java.net.InetAddress;
import java.net.InetSocketAddress;
import java.net.Socket;
import java.net.UnknownHostException;

import cl.mamd.entity.NodoDevice;
import cl.mamd.voice.R;

import android.app.ProgressDialog;
import android.content.Context;
import android.os.AsyncTask;
import android.util.Base64;
import android.util.Log;
import android.widget.Toast;

public class HTTPCheckAuthentication extends AsyncTask<String, Void, String> {
  
  private ProgressDialog mProgressDialog;
  private Context context;  
  private final String TAGNAME = "HTTPCheckAuthentication";
  
  private NodoDevice nodo;
  
  private String author_String;
  private Boolean results;
  private int error = 0;
  
  /**
   * 
   * @param context
   * @param IP
   * @param username
   * @param passwd
   */
  public HTTPCheckAuthentication(Context context,NodoDevice nodoforcheck){
    this.context = context;
    this.nodo = nodoforcheck;
    
    this.mProgressDialog = new ProgressDialog(context);
    this.mProgressDialog.setMessage("Verificando Datos para Autenticacion..");
    this.mProgressDialog.setIndeterminate(false);
    this.mProgressDialog.setProgressStyle(ProgressDialog.STYLE_SPINNER);
    this.mProgressDialog.setCancelable(true);
        
    this.results = false;
     
    String authorization = this.nodo.getUsername() + ":" + this.nodo.getPasswd();
     this.author_String = Base64.encodeToString(authorization.getBytes(),0);
      
     
  }

  @Override
  protected void onPreExecute() {
      super.onPreExecute();
      mProgressDialog.show();
  }

  @Override
  protected String doInBackground(String... params) {
    // TODO Auto-generated method stub
    //Execute HTTP Basic Authentication Test
    try {
      int port = 80;
      InetAddress addr = InetAddress.getByName(nodo.getIpaddress());
      
      Log.i(TAGNAME, "addr:"+addr);
      
      //Socket socket = new Socket(addr, port);
      Socket socket = new Socket();
      socket.setSoTimeout(10000);
      socket.connect(new InetSocketAddress(addr, port), 10000);
      
      BufferedWriter wr = new BufferedWriter(new OutputStreamWriter(socket.getOutputStream(), "UTF8"));
            wr.write("GET / HTTP/1.0rn");
            wr.write("Content-Type: text/plain");
            wr.write("Authorization: Basic "+author_String);
            wr.write("rn");
            
            // Send parameters
            wr.flush();
            // Get response
            BufferedReader rd = new BufferedReader(
                new InputStreamReader(socket.getInputStream()));
            
            String line;
            int cont = 0;
            
            Log.i(TAGNAME,"Start reading response");
            while ((line = rd.readLine()) != null) {
                Log.i(TAGNAME,"line:"+line);
                if ( line.contains("Unauthorized") )
                  cont++;
                
            }
            
            if ( cont == 0 )
              this.results = true;
        
            
            Log.i(TAGNAME,"Stop reading response");
            
            wr.close();
            socket.close();
            rd.close();

      
      
    } catch (UnknownHostException e) {
      // TODO Auto-generated catch block
      Log.i(TAGNAME, "UnknownHostException:");
      e.printStackTrace();
    }
    
    catch (IOException e) {
      // TODO Auto-generated catch block
      Log.i(TAGNAME, "IOException:");
      Log.i(TAGNAME, "IOException-e.getMessage().toString():"+ e.getMessage().toString());
      Log.i(TAGNAME, "IOException-Integer.toString(e.hashCode()):"+ Integer.toString(e.hashCode()));
      Log.i(TAGNAME, "IOException-e.getLocalizedMessage().toString():"+ e.getLocalizedMessage().toString());
      if ( e.getMessage().toString().contains("ECONNREFUSED")) {
        error = 1;
      }
      if ( e.getMessage().toString().contains("EHOSTUNREACH")) {
        error = 2;
      }
      if ( e.getMessage().toString().contains("ETIMEDOUT")) {
        error = 3;
      }  
      if ( e.getMessage().toString().contains("ENETUNREACH")) {
        error = 4;
      }
      this.results = false;
    }
    
    
    return null;
  }

  @Override
  protected void onPostExecute(String unused) {
      mProgressDialog.dismiss();
      
      if ( this.results ) {
        Toast.makeText(this.context,this.context.getResources().getString(
            R.string.toast_accessgranted),Toast.LENGTH_LONG).show();
      }
      else { 
        if ( error == 0)
        Toast.makeText(this.context,this.context.getResources().getString(
            R.string.error_accessdenied),Toast.LENGTH_LONG).show();
        if ( error == 1)
          Toast.makeText(this.context,this.context.getResources().getString(
              R.string.error_econnrefused),Toast.LENGTH_LONG).show();
        if ( error == 2)
          Toast.makeText(this.context,this.context.getResources().getString(
              R.string.error_ehostunreach),Toast.LENGTH_LONG).show();
        if ( error == 3)
          Toast.makeText(this.context,this.context.getResources().getString(
              R.string.error_etimedout),Toast.LENGTH_LONG).show();
        if ( error == 4)
          Toast.makeText(this.context,this.context.getResources().getString(
              R.string.error_enetunreach),Toast.LENGTH_LONG).show();
        
      }
  }
}

Java Source Code List

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