auth

package com.dazzleapp.dazzle;

import android.annotation.SuppressLint;
import android.app.Activity;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Looper;
import android.util.Log;
import android.view.View;
import android.widget.EditText;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.HttpClient;
import org.apache.http.client.methods.HttpPost;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.io.*;
import java.net.HttpURLConnection;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLEncoder;
import java.util.Scanner;

import static android.widget.Toast.LENGTH_SHORT;
import static android.widget.Toast.makeText;


@SuppressLint({ "NewApi", "NewApi" })
public class Auth extends Activity {

    public String usrname, uname, pw, pass, param, response;

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.auth);
    }


    public void auth(View v) throws JSONException {
         EditText username = (EditText) findViewById(R.id.usernameInput);
         final String usrname = username.getText().toString();
         final String uname = "&username=" + usrname;

         EditText upw = (EditText) findViewById(R.id.passwordInput);
         final String pw = upw.getText().toString();
         final String pass = "&password=" + pw;

         if (upw.length()>0 || username.length()>0){
             class Data extends AsyncTask<String, Void, String>{
                 protected String doInBackground(String... urls){
                     Looper.prepare();
                     URL url;
                     HttpURLConnection conn;

                     InputStream is = null;
                     String result = "";
                     JSONObject jArray = null;

                     //post
                     try{
                         url = new URL("https://alpha.app.net/oauth/access_token");
                         String param = "client_id=" + URLEncoder.encode("<client_id>","UTF-8")+
                                 "&password_grant_secret=" + URLEncoder.encode("<pw_grant>", "UTF-8") +
                                 "&grant_type=" + URLEncoder.encode("password", "UTF-8") +
                                 "&username=" + URLEncoder.encode(usrname, "UTF-8") +
                                 "&password=" + URLEncoder.encode(pw, "UTF-8") +
                                 "&scope=" + URLEncoder.encode("basic,stream,email,write_post,follow,messages", "UTF-8");

                         conn = (HttpURLConnection)url.openConnection();
                         conn.setDoOutput(true);
                         conn.setDoInput(true);
                         conn.setRequestMethod("POST");

                         conn.setFixedLengthStreamingMode(param.getBytes().length);
                         conn.setRequestProperty("Content-Type", "application/x-www-form-urlencoded");

                         PrintWriter out = new PrintWriter(conn.getOutputStream());
                         out.print(param);
                         out.close();

                         BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()),8096);
                         StringBuilder sb = new StringBuilder();
                         String line = null;
                         while ((line = reader.readLine()) != null){
                             sb.append(line + "\n");
                         }

                         is.close();
                         result = sb.toString();

                     /*} catch(Exception e){
                         Log.e("log_tag", "Error in http connection " + e.toString());
                     }

                     //convert response
                     try{
                         BufferedReader reader = new BufferedReader(new InputStreamReader(conn.getInputStream()),8096);
                         StringBuilder sb = new StringBuilder();
                         String line = null;
                         while ((line = reader.readLine()) != null){
                             sb.append(line + "\n");
                         }

                         is.close();
                         result = sb.toString();   */
                     }catch(Exception e){
                         Log.e("log_tag", "Error converting result " + e.toString());
                     }

                     //parse response to JSON object
                     try{
                         jArray = new JSONObject(result);
                     }catch (JSONException e){
                         Log.e("log_tag", "Error parsing data " + e.toString());
                     }
                 return null;
                 }
             }
             Data authTask = new Data();
             authTask.execute();

         } else {
             makeText(getBaseContext(), "All field are required", LENGTH_SHORT).show();
         }
    }
}