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package com.zeapo.pwdstore;
import android.app.Activity;
import android.app.PendingIntent;
import android.content.Intent;
import android.content.IntentSender;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.text.TextUtils;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;
import com.zeapo.pwdstore.R;
import org.apache.commons.io.FileUtils;
import org.openintents.openpgp.OpenPgpError;
import org.openintents.openpgp.OpenPgpSignatureResult;
import org.openintents.openpgp.util.OpenPgpApi;
import org.openintents.openpgp.util.OpenPgpServiceConnection;
import org.openintents.openpgp.util.OpenPgpUtils;
import java.io.ByteArrayOutputStream;
import java.io.File;
import java.io.InputStream;
import java.io.UnsupportedEncodingException;
public class PgpHandler extends Activity {
private OpenPgpServiceConnection mServiceConnection;
public static final int REQUEST_CODE_SIGN = 9910;
public static final int REQUEST_CODE_ENCRYPT = 9911;
public static final int REQUEST_CODE_SIGN_AND_ENCRYPT = 9912;
public static final int REQUEST_CODE_DECRYPT_AND_VERIFY = 9913;
public static final int REQUEST_CODE_GET_KEY = 9914;
public static final int REQUEST_CODE_GET_KEY_IDS = 9915;
public final class Constants {
public static final String TAG = "Keychain";
}
private String filePath;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_pgp_handler);
// some persistance
SharedPreferences settings = PreferenceManager.getDefaultSharedPreferences(this);
String providerPackageName = settings.getString("openpgp_provider_list", "");
System.out.println(getIntent().getExtras().getString("FILE_PATH"));
Bundle extra = getIntent().getExtras();
((TextView) findViewById(R.id.hhh)).setText(extra.getString("FILE_PATH"));
if (TextUtils.isEmpty(providerPackageName)) {
Toast.makeText(this, "No OpenPGP Provider selected!", Toast.LENGTH_LONG).show();
finish();
} else {
// bind to service
mServiceConnection = new OpenPgpServiceConnection(
PgpHandler.this, providerPackageName);
mServiceConnection.bindToService();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.pgp_handler, menu);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
// Handle action bar item clicks here. The action bar will
// automatically handle clicks on the Home/Up button, so long
// as you specify a parent activity in AndroidManifest.xml.
int id = item.getItemId();
if (id == R.id.action_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
private void handleError(final OpenPgpError error) {
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(PgpHandler.this,
"onError id:" + error.getErrorId() + "\n\n" + error.getMessage(),
Toast.LENGTH_LONG).show();
Log.e(Constants.TAG, "onError getErrorId:" + error.getErrorId());
Log.e(Constants.TAG, "onError getMessage:" + error.getMessage());
}
});
}
private void showToast(final String message) {
runOnUiThread(new Runnable() {
@Override
public void run() {
Toast.makeText(PgpHandler.this,
message,
Toast.LENGTH_SHORT).show();
}
});
}
private class MyCallback implements OpenPgpApi.IOpenPgpCallback {
boolean returnToCiphertextField;
ByteArrayOutputStream os;
int requestCode;
private MyCallback(boolean returnToCiphertextField, ByteArrayOutputStream os, int requestCode) {
this.returnToCiphertextField = returnToCiphertextField;
this.os = os;
this.requestCode = requestCode;
}
@Override
public void onReturn(Intent result) {
switch (result.getIntExtra(OpenPgpApi.RESULT_CODE, OpenPgpApi.RESULT_CODE_ERROR)) {
case OpenPgpApi.RESULT_CODE_SUCCESS: {
showToast("RESULT_CODE_SUCCESS");
// encrypt/decrypt/sign/verify
if (os != null) {
try {
Log.d(OpenPgpApi.TAG, "result: " + os.toByteArray().length
+ " str=" + os.toString("UTF-8"));
} catch (UnsupportedEncodingException e) {
Log.e(Constants.TAG, "UnsupportedEncodingException", e);
}
}
// verify
if (result.hasExtra(OpenPgpApi.RESULT_SIGNATURE)) {
OpenPgpSignatureResult sigResult
= result.getParcelableExtra(OpenPgpApi.RESULT_SIGNATURE);
showToast(sigResult.toString());
}
// get key ids
if (result.hasExtra(OpenPgpApi.RESULT_KEY_IDS)) {
long[] keyIds = result.getLongArrayExtra(OpenPgpApi.RESULT_KEY_IDS);
String out = "keyIds: ";
for (int i = 0; i < keyIds.length; i++) {
out += OpenPgpUtils.convertKeyIdToHex(keyIds[i]) + ", ";
}
showToast(out);
}
break;
}
case OpenPgpApi.RESULT_CODE_USER_INTERACTION_REQUIRED: {
showToast("RESULT_CODE_USER_INTERACTION_REQUIRED");
PendingIntent pi = result.getParcelableExtra(OpenPgpApi.RESULT_INTENT);
try {
PgpHandler.this.startIntentSenderForResult(pi.getIntentSender(),
requestCode, null, 0, 0, 0);
} catch (IntentSender.SendIntentException e) {
Log.e(Constants.TAG, "SendIntentException", e);
}
break;
}
case OpenPgpApi.RESULT_CODE_ERROR: {
showToast("RESULT_CODE_ERROR");
OpenPgpError error = result.getParcelableExtra(OpenPgpApi.RESULT_ERROR);
handleError(error);
break;
}
}
}
}
public void getKey(View view) {
decryptAndVerify(new Intent());
}
public void decryptAndVerify(Intent data) {
data.setAction(OpenPgpApi.ACTION_DECRYPT_VERIFY);
data.putExtra(OpenPgpApi.EXTRA_REQUEST_ASCII_ARMOR, true);
data.putExtra(OpenPgpApi.EXTRA_ACCOUNT_NAME, "Mohamed Zenadi");
try {
InputStream is = FileUtils.openInputStream(new File(getIntent().getExtras().getString("FILE_PATH")));
ByteArrayOutputStream os = new ByteArrayOutputStream();
OpenPgpApi api = new OpenPgpApi(this, mServiceConnection.getService());
api.executeApiAsync(data, is, os, new MyCallback(false, os, REQUEST_CODE_DECRYPT_AND_VERIFY));
} catch (Exception e) {
e.printStackTrace();
}
}
}
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