Android Open Source - dCache-Cloud Import Data Activity

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License

The source code is released under:

Copyright ? 2013, Michael Stapelberg and contributors All rights reserved. Redistribution and use in source and binary forms, with or without modification, are permitted provided that the following ...

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Java Source Code

package de.desy.dCacheCloud.Activities;
/*from ww w  .j  a  v  a2s  . c o m*/
import android.app.Activity;
import android.os.Bundle;
import android.util.Base64;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import de.desy.dCacheCloud.CryptoHelper;
import de.desy.dCacheCloud.DatabaseHelper;
import de.desy.dCacheCloud.KeyStoreHelper;
import de.desy.dCacheCloud.R;

public class ImportDataActivity extends Activity implements android.view.View.OnClickListener{

  private EditText etData = null;
  private Button btnDataOk = null;
  
  @Override
  protected void onCreate(Bundle savedInstanceState) {

    setContentView(R.layout.activity_import_data);
    etData = (EditText)findViewById(R.id.etData);
    btnDataOk = (Button)findViewById(R.id.btnDataOk);
    btnDataOk.setOnClickListener(this);
    
    super.onCreate(savedInstanceState);
  }

  @Override
  protected void onResume() {
    super.onResume();
  }

  @Override
  public void onClick(View v) {

    switch (v.getId())
    {
    case R.id.btnDataOk:
      
      String content = etData.getText().toString();
      
      if (!content.equals(""))
      {
        DatabaseHelper dbh = new DatabaseHelper(getApplicationContext());
        
        // TODO: parse!
        byte[] encrypted = Base64.decode(content, Base64.DEFAULT);
        byte[] decrypted = CryptoHelper.decryptAsymmetric(encrypted, false, KeyStoreHelper.getOwnPriv());
        // decrypted is split in signature and message
        byte[] signature = new byte[1024];
        byte[] message = new byte[decrypted.length - 1024];
        System.arraycopy(decrypted, decrypted.length - 1024, signature, 0, 1024);
        System.arraycopy(decrypted, 0, message, 0, decrypted.length - 1024);
        
        byte[] messageHash = CryptoHelper.decryptAsymmetric(signature, true, dbh.getPersonPublicKey("???"));
        
        Toast.makeText(getApplicationContext(), content, Toast.LENGTH_LONG).show();
      }
      else
      {
        Toast.makeText(getApplicationContext(), "Please import data!", Toast.LENGTH_LONG).show();
      }
      
      break;
    }
    
  }

  
  
}

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