Android Open Source - SecNote Sec Note Main Activity

From Project

Back to project page SecNote.
License

The source code is released under:
GNU General Public License
If you think the Android project SecNote 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 org.jdamico.secnote;
/* w ww .ja v a 2s.c  om*/
/*
 * This file is part of SECNOTE (written by Jose Damico).
 * 
 *    SECNOTE is free software: you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License (version 2) 
 *    as published by the Free Software Foundation.
 *
 *    SECNOTE 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 SECNOTE.  If not, see <http://www.gnu.org/licenses/>.
 */

import java.io.File;
import java.security.Policy;

import org.jdamico.secnote.commons.AppMessages;
import org.jdamico.secnote.commons.Constants;
import org.jdamico.secnote.commons.SecNoteException;
import org.jdamico.secnote.commons.StaticObj;
import org.jdamico.secnote.commons.Utils;
import org.jdamico.secnote.crypto.CryptoUtils;
import org.jdamico.secnote.dataobjects.ConfigObj;

import android.app.Activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.provider.Settings.Secure;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;

import com.google.android.vending.licensing.AESObfuscator;
import com.google.android.vending.licensing.LicenseChecker;
import com.google.android.vending.licensing.LicenseCheckerCallback;
import com.google.android.vending.licensing.ServerManagedPolicy;


public class SecNoteMainActivity extends Activity {

  Button new_note_button = null;
  Button saved_notes = null;
  Button config_button = null;
  Boolean isConfigExistent = false;
  TextView chachedMemTv = null;
  String key = null;
  
  private static final String BASE64_PUBLIC_KEY = "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAh4Hmo6elwQ5R+XKrrAW6fqQM+fpNKUsHzNhQbQkW7P9aMcFLRAWfZoS9TPdjhknZPzgQvrHlLyrU4jO3523rdQ1up5ODJPi4q5GgpOF0+asdqD9xBzwlnrORhjIPxM4kjSEQcVRToqA/6zD6wmgHYyrkUcXDJKwvsU877Ee4XUaAqc0qCD1gdfgt0lzIs6c8leNOn/qsP4gUc793yAQzYZBbTII1+oeS/MZHaOXjTMNrTm642RFHEl0FPi86JZ7x9jjmgHRg/ZyXamI6uiJaxmOl2jTyrBrftyP3TU+IocQXoyDX2XEpwyfGtfTuce1AGJ6Jb54vk/VT8e1vfst7pwIDAQAB";
  private static final byte[] SALT = new byte[] { 111, -41, -61, 12, 114, -121, -125, -26, -38, -31, 42, 14, 115, 17, -81, 75, 75, 53, -5, 115 };
  
  
  private LicenseCheckerCallback mLicenseCheckerCallback;
    private LicenseChecker mChecker;
    private Handler mHandler;
    
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_secnote_main);
    
    chachedMemTv = (TextView) findViewById(R.id.mem_key_textView);

    
    mHandler = new Handler();
    mLicenseCheckerCallback = new MyLicenseCheckerCallback();
    String android_id = Secure.getString(this.getContentResolver(), Secure.ANDROID_ID);
        mChecker = new LicenseChecker(this, new ServerManagedPolicy(this, new AESObfuscator(SALT, getPackageName(), android_id)), BASE64_PUBLIC_KEY);
        doCheck();
    
    
    try {
      key = CryptoUtils.getInstance().retrieveKeyFromCache(getApplicationContext());
    } catch (SecNoteException e) {
      Toast.makeText(getApplicationContext(), AppMessages.getInstance().getMessage(e.getMessage()), Toast.LENGTH_LONG).show();
    }

    new_note_button = (Button) findViewById(R.id.cam_button);
    saved_notes = (Button) findViewById(R.id.gallery_button);
    config_button = (Button) findViewById(R.id.config_button);
    
    
    new_note_button.setText(AppMessages.getInstance().getMessage("GLOBAL.cam_button"));
    saved_notes.setText(AppMessages.getInstance().getMessage("GLOBAL.gallery_button"));
    config_button.setText(AppMessages.getInstance().getMessage("GLOBAL.config_button"));


    Context context = getApplicationContext();
    ConfigObj config = null;
    try {
      config = Utils.getInstance().getConfigFile(context);
    } catch (SecNoteException e) {
      Toast.makeText(getApplicationContext(), AppMessages.getInstance().getMessage(e.getMessage()), Toast.LENGTH_LONG).show();
    }
    if(null == config){
      new_note_button.setEnabled(false);
      saved_notes.setEnabled(false);
    }else{
      isConfigExistent = true;
      
      
      
      if(key != null  && Utils.getInstance().isAuthenticated(getApplicationContext(), key)) chachedMemTv.setText(AppMessages.getInstance().getMessage("YapeaMainActivity.onCreate.keyInCache"));
      else{
        Intent intent = new Intent(context, SecNoteAuthActivity.class);
        startActivityForResult(intent, 0);
      }

      new_note_button.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
          if(key != null && Utils.getInstance().isAuthenticated(v.getContext(), key)){
            StaticObj.NOTE_MD5 = null;
            Intent intent = new Intent(v.getContext(), SecNoteEditorActivity.class);
            startActivityForResult(intent, 0);
          }else{
            Intent intent = new Intent(v.getContext(), SecNoteAuthActivity.class);
            startActivityForResult(intent, 0);
          }
        }
      });
    }

    config_button.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {
        if(!isConfigExistent){
          enterCfg(v);
        }else if(isConfigExistent && key != null && Utils.getInstance().isAuthenticated(v.getContext(), key)){
          enterCfg(v);
        }else{
          Intent intent = new Intent(v.getContext(), SecNoteAuthActivity.class);
          startActivityForResult(intent, 0);
        }
      }

      public void enterCfg(View v){
        Intent intent = new Intent(v.getContext(), SecNoteConfigActivity.class);
        intent.putExtra("isConfigExistent", isConfigExistent);
        startActivityForResult(intent, 0);
      }
    });

    saved_notes.setOnClickListener(new OnClickListener() {

      @Override
      public void onClick(View v) {

        if(key != null && Utils.getInstance().isAuthenticated(v.getContext(), key)){
          Intent intent = new Intent(v.getContext(), SecNoteListActivity.class);
          intent.putExtra("isConfigExistent", isConfigExistent);
          startActivityForResult(intent, 0);
        }else{
          Intent intent = new Intent(v.getContext(), SecNoteAuthActivity.class);
          startActivityForResult(intent, 0);
        }

      }
    });

  }

  private void doCheck() {
        mChecker.checkAccess(mLicenseCheckerCallback);
  }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    menu.add(AppMessages.getInstance().getMessage("GLOBAL.about"));
    return true;
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item)
  {
    switch(item.getItemId())
    {
    case 0:
      Intent intent = new Intent(getApplicationContext(), SecNoteAboutActivity.class);
      startActivityForResult(intent, 0);
      return true;
    default:
      return super.onOptionsItemSelected(item);
    }
  }

  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);

    if (requestCode == Constants.TAKE_PHOTO_CODE && resultCode == RESULT_OK) {

      String yapeaDir = Utils.getInstance().getAppContentDir();

      File imageDir = new File(yapeaDir);

      if(imageDir.exists()){

        String[] contents = imageDir.list();
        for (int i = 0; i < contents.length; i++) {
          if(contents[i].substring(contents[i].length()-3, contents[i].length()).equalsIgnoreCase("jpg")){

            File f = new File(yapeaDir+contents[i]);
            try {
              byte[] plainContent = Utils.getInstance().getBytesFromFile(f);
              byte[] cipherContent = CryptoUtils.getInstance().enc(getApplicationContext(), key, plainContent, Utils.getInstance().getConfigFile(getApplicationContext()).getEncAlgo());
              Utils.getInstance().byteArrayToFile(cipherContent, yapeaDir+contents[i]+".yapea");
            } catch (SecNoteException e) {
              Toast.makeText(getApplicationContext(), AppMessages.getInstance().getMessage(e.getMessage()), Toast.LENGTH_LONG).show();
            }finally{
              f.delete();
            }

          }
        }

      } //TODO add exception

    }else{
      String yapeaDir = Utils.getInstance().getAppContentDir();

      File imageDir = new File(yapeaDir);

      if(imageDir.exists()){

        String[] contents = imageDir.list();
        for (int i = 0; i < contents.length; i++) {
          if(contents[i].substring(contents[i].length()-3, contents[i].length()).equalsIgnoreCase("jpg")){

            File f = new File(yapeaDir+contents[i]);
            f.delete();


          }
        }

      } //TODO add exception
    }
  }

  @Override
  public void onBackPressed() {
    
    Intent startMain = new Intent(Intent.ACTION_MAIN);
    startMain.addCategory(Intent.CATEGORY_HOME);
    startMain.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
    startActivity(startMain);

  }
  
  @Override
    protected void onDestroy() {
       super.onDestroy();
       mChecker.onDestroy();
    }
  
  private void displayResult(final String result) {
        mHandler.post(new Runnable() {
            public void run() {
              chachedMemTv.setText(result);
                setProgressBarIndeterminateVisibility(false);
                //mCheckLicenseButton.setEnabled(true);
            }
        });
    }

  
  private class MyLicenseCheckerCallback implements LicenseCheckerCallback {
      public void allow(int reason) {
          if (isFinishing()) {
              return;
          }
         // displayResult("yes");
      }

      public void dontAllow(int reason) {
          if (isFinishing()) {
              return;
          }
          // displayResult("No");
          
         // if (reason == Policy.RETRY) {
          //  System.out.println("DIALOG_RETRY");
         // } else {
          //  System.out.println("DIALOG_GOTOMARKET");
         // }
      }

      
      
      
    @Override
    public void applicationError(int errorCode) {}
  }
  
}
Java Source Code List
