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/*
* Copyright (C) 2012 Dominik Schürmann <dominik@dominikschuermann.de>
* Copyright (C) 2011 Senecaso
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.thialfihar.android.apg.ui;
import org.thialfihar.android.apg.Constants;
import org.thialfihar.android.apg.Id;
import org.thialfihar.android.apg.compatibility.DialogFragmentWorkaround;
import org.thialfihar.android.apg.helper.OtherHelper;
import org.thialfihar.android.apg.service.ApgIntentServiceHandler;
import org.thialfihar.android.apg.service.ApgIntentService;
import org.thialfihar.android.apg.R;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Messenger;
import org.thialfihar.android.apg.ui.dialog.DeleteFileDialogFragment;
import org.thialfihar.android.apg.ui.dialog.FileDialogFragment;
import org.thialfihar.android.apg.util.Log;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;
import com.actionbarsherlock.app.SherlockFragmentActivity;
import com.actionbarsherlock.view.Menu;
import com.actionbarsherlock.view.MenuItem;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
public class ImportKeysActivity extends SherlockFragmentActivity {
public static final String ACTION = Constants.INTENT_PREFIX + "IMPORT";
public static final String ACTION_IMPORT_FROM_FILE = Constants.INTENT_PREFIX
+ "IMPORT_FROM_FILE";
public static final String ACTION_IMPORT_FROM_QR_CODE = Constants.INTENT_PREFIX
+ "IMPORT_FROM_QR_CODE";
public static final String ACTION_IMPORT_FROM_NFC = Constants.INTENT_PREFIX + "IMPORT_FROM_NFC";
// only used by IMPORT_AND_RETURN
public static final String EXTRA_TEXT = "text";
protected String mImportFilename = Constants.path.APP_DIR + "/";
// public static final String EXTRA_KEY_ID = "keyId";
protected String mImportData;
protected boolean mDeleteAfterImport = false;
FileDialogFragment mFileDialog;
private TextView mContentView;
private String mScannedContent;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.import_keys);
mContentView = (TextView) findViewById(R.id.import_from_qr_code_content);
// set actionbar without home button if called from another app
OtherHelper.setActionBarBackButton(this);
handleActions(getIntent());
}
/**
* ActionBar menu is created based on class variables to change it at runtime
*
*/
@Override
public boolean onCreateOptionsMenu(Menu menu) {
menu.add(1, Id.menu.option.import_from_file, 0, R.string.menu_importFromFile)
.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
menu.add(1, Id.menu.option.import_from_qr_code, 1, R.string.menu_importFromQrCode)
.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
menu.add(1, Id.menu.option.import_from_nfc, 2, R.string.menu_importFromNfc)
.setShowAsAction(MenuItem.SHOW_AS_ACTION_IF_ROOM | MenuItem.SHOW_AS_ACTION_WITH_TEXT);
return true;
}
@Override
public boolean onOptionsItemSelected(MenuItem item) {
switch (item.getItemId()) {
case android.R.id.home:
// app icon in Action Bar clicked; go home
Intent intent = new Intent(this, MainActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
startActivity(intent);
return true;
case Id.menu.option.import_from_file:
showImportKeysDialog();
return true;
case Id.menu.option.import_from_qr_code:
importFromQrCode();
return true;
case Id.menu.option.import_from_nfc:
return true;
default:
return super.onOptionsItemSelected(item);
}
}
protected void handleActions(Intent intent) {
String action = intent.getAction();
Bundle extras = intent.getExtras();
if (extras == null) {
extras = new Bundle();
}
/**
* Android Standard Actions
*/
if (Intent.ACTION_VIEW.equals(action)) {
// Android's Action when opening file associated to APG (see AndroidManifest.xml)
// override action to delegate it to APGs ACTION_IMPORT
action = ACTION;
}
/**
* APG's own Actions
*/
if (ACTION.equals(action)) {
if ("file".equals(intent.getScheme()) && intent.getDataString() != null) {
mImportFilename = intent.getData().getPath();
} else {
mImportData = intent.getStringExtra(EXTRA_TEXT);
}
importKeys();
} else if (ACTION_IMPORT_FROM_FILE.equals(action)) {
if ("file".equals(intent.getScheme()) && intent.getDataString() != null) {
mImportFilename = intent.getData().getPath();
}
showImportKeysDialog();
} else if (ACTION_IMPORT_FROM_QR_CODE.equals(action)) {
importFromQrCode();
} else if (ACTION_IMPORT_FROM_NFC.equals(action)) {
}
}
private void importFromQrCode() {
new IntentIntegrator(this).initiateScan();
}
/**
* Show to dialog from where to import keys
*/
public void showImportKeysDialog() {
// Message is received after file is selected
Handler returnHandler = new Handler() {
@Override
public void handleMessage(Message message) {
if (message.what == FileDialogFragment.MESSAGE_OKAY) {
Log.d(Constants.TAG, "FileDialogFragment.MESSAGE_OKAY");
Bundle data = message.getData();
mImportFilename = data.getString(FileDialogFragment.MESSAGE_DATA_FILENAME);
mDeleteAfterImport = data.getBoolean(FileDialogFragment.MESSAGE_DATA_CHECKED);
importKeys();
}
}
};
// Create a new Messenger for the communication back
final Messenger messenger = new Messenger(returnHandler);
DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
public void run() {
mFileDialog = FileDialogFragment.newInstance(messenger,
getString(R.string.title_importKeys),
getString(R.string.specifyFileToImportFrom), mImportFilename, null,
Id.request.filename);
mFileDialog.show(getSupportFragmentManager(), "fileDialog");
}
});
}
/**
* Import keys with mImportData
*/
public void importKeys() {
Log.d(Constants.TAG, "importKeys started");
// Send all information needed to service to import key in other thread
Intent intent = new Intent(this, ApgIntentService.class);
intent.putExtra(ApgIntentService.EXTRA_ACTION, ApgIntentService.ACTION_IMPORT_KEY);
// fill values for this action
Bundle data = new Bundle();
// TODO
data.putInt(ApgIntentService.IMPORT_KEY_TYPE, Id.type.secret_key);
if (mImportData != null) {
data.putInt(ApgIntentService.TARGET, ApgIntentService.TARGET_BYTES);
data.putByteArray(ApgIntentService.IMPORT_BYTES, mImportData.getBytes());
} else {
data.putInt(ApgIntentService.TARGET, ApgIntentService.TARGET_FILE);
data.putString(ApgIntentService.IMPORT_FILENAME, mImportFilename);
}
intent.putExtra(ApgIntentService.EXTRA_DATA, data);
// Message is received after importing is done in ApgService
ApgIntentServiceHandler saveHandler = new ApgIntentServiceHandler(this,
R.string.progress_importing, ProgressDialog.STYLE_HORIZONTAL) {
public void handleMessage(Message message) {
// handle messages by standard ApgHandler first
super.handleMessage(message);
if (message.arg1 == ApgIntentServiceHandler.MESSAGE_OKAY) {
// get returned data bundle
Bundle returnData = message.getData();
int added = returnData.getInt(ApgIntentService.RESULT_IMPORT_ADDED);
int updated = returnData.getInt(ApgIntentService.RESULT_IMPORT_UPDATED);
int bad = returnData.getInt(ApgIntentService.RESULT_IMPORT_BAD);
String toastMessage;
if (added > 0 && updated > 0) {
toastMessage = getString(R.string.keysAddedAndUpdated, added, updated);
} else if (added > 0) {
toastMessage = getString(R.string.keysAdded, added);
} else if (updated > 0) {
toastMessage = getString(R.string.keysUpdated, updated);
} else {
toastMessage = getString(R.string.noKeysAddedOrUpdated);
}
Toast.makeText(ImportKeysActivity.this, toastMessage, Toast.LENGTH_SHORT)
.show();
if (bad > 0) {
AlertDialog.Builder alert = new AlertDialog.Builder(ImportKeysActivity.this);
alert.setIcon(android.R.drawable.ic_dialog_alert);
alert.setTitle(R.string.warning);
alert.setMessage(ImportKeysActivity.this.getString(
R.string.badKeysEncountered, bad));
alert.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
}
});
alert.setCancelable(true);
alert.create().show();
} else if (mDeleteAfterImport) {
// everything went well, so now delete, if that was turned on
DeleteFileDialogFragment deleteFileDialog = DeleteFileDialogFragment
.newInstance(mImportFilename);
deleteFileDialog.show(getSupportFragmentManager(), "deleteDialog");
}
}
};
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(saveHandler);
intent.putExtra(ApgIntentService.EXTRA_MESSENGER, messenger);
// show progress dialog
saveHandler.showProgressDialog(this);
// start service with intent
startService(intent);
}
// private void importAndSignOld(final long keyId, final String expectedFingerprint) {
// if (expectedFingerprint != null && expectedFingerprint.length() > 0) {
//
// Thread t = new Thread() {
// @Override
// public void run() {
// try {
// // TODO: display some sort of spinner here while the user waits
//
// // TODO: there should be only 1
// HkpKeyServer server = new HkpKeyServer(mPreferences.getKeyServers()[0]);
// String encodedKey = server.get(keyId);
//
// PGPKeyRing keyring = PGPHelper.decodeKeyRing(new ByteArrayInputStream(
// encodedKey.getBytes()));
// if (keyring != null && keyring instanceof PGPPublicKeyRing) {
// PGPPublicKeyRing publicKeyRing = (PGPPublicKeyRing) keyring;
//
// // make sure the fingerprints match before we cache this thing
// String actualFingerprint = PGPHelper.convertToHex(publicKeyRing
// .getPublicKey().getFingerprint());
// if (expectedFingerprint.equals(actualFingerprint)) {
// // store the signed key in our local cache
// int retval = PGPMain.storeKeyRingInCache(publicKeyRing);
// if (retval != Id.return_value.ok
// && retval != Id.return_value.updated) {
// status.putString(EXTRA_ERROR,
// "Failed to store signed key in local cache");
// } else {
// Intent intent = new Intent(ImportFromQRCodeActivity.this,
// SignKeyActivity.class);
// intent.putExtra(EXTRA_KEY_ID, keyId);
// startActivityForResult(intent, Id.request.sign_key);
// }
// } else {
// status.putString(
// EXTRA_ERROR,
// "Scanned fingerprint does NOT match the fingerprint of the received key. You shouldnt trust this key.");
// }
// }
// } catch (QueryException e) {
// Log.e(TAG, "Failed to query KeyServer", e);
// status.putString(EXTRA_ERROR, "Failed to query KeyServer");
// status.putInt(Constants.extras.STATUS, Id.message.done);
// } catch (IOException e) {
// Log.e(TAG, "Failed to query KeyServer", e);
// status.putString(EXTRA_ERROR, "Failed to query KeyServer");
// status.putInt(Constants.extras.STATUS, Id.message.done);
// }
// }
// };
//
// t.setName("KeyExchange Download Thread");
// t.setDaemon(true);
// t.start();
// }
// }
public void scanAgainOnClick(View view) {
new IntentIntegrator(this).initiateScan();
}
public void finishOnClick(View view) {
finish();
}
public void importOnClick(View view) {
Log.d(Constants.TAG, "import key started");
if (mScannedContent != null) {
// Send all information needed to service to import key in other thread
Intent intent = new Intent(this, ApgIntentService.class);
intent.putExtra(ApgIntentService.EXTRA_ACTION, ApgIntentService.ACTION_IMPORT_KEY);
// fill values for this action
Bundle data = new Bundle();
data.putInt(ApgIntentService.IMPORT_KEY_TYPE, Id.type.public_key);
data.putInt(ApgIntentService.TARGET, ApgIntentService.TARGET_BYTES);
data.putByteArray(ApgIntentService.IMPORT_BYTES, mScannedContent.getBytes());
intent.putExtra(ApgIntentService.EXTRA_DATA, data);
// Message is received after importing is done in ApgService
ApgIntentServiceHandler saveHandler = new ApgIntentServiceHandler(this,
R.string.progress_importing, ProgressDialog.STYLE_HORIZONTAL) {
public void handleMessage(Message message) {
// handle messages by standard ApgHandler first
super.handleMessage(message);
if (message.arg1 == ApgIntentServiceHandler.MESSAGE_OKAY) {
// get returned data bundle
Bundle returnData = message.getData();
int added = returnData.getInt(ApgIntentService.RESULT_IMPORT_ADDED);
int updated = returnData.getInt(ApgIntentService.RESULT_IMPORT_UPDATED);
int bad = returnData.getInt(ApgIntentService.RESULT_IMPORT_BAD);
String toastMessage;
if (added > 0 && updated > 0) {
toastMessage = getString(R.string.keysAddedAndUpdated, added, updated);
} else if (added > 0) {
toastMessage = getString(R.string.keysAdded, added);
} else if (updated > 0) {
toastMessage = getString(R.string.keysUpdated, updated);
} else {
toastMessage = getString(R.string.noKeysAddedOrUpdated);
}
Toast.makeText(ImportKeysActivity.this, toastMessage, Toast.LENGTH_SHORT)
.show();
if (bad > 0) {
AlertDialog.Builder alert = new AlertDialog.Builder(
ImportKeysActivity.this);
alert.setIcon(android.R.drawable.ic_dialog_alert);
alert.setTitle(R.string.warning);
alert.setMessage(ImportKeysActivity.this.getString(
R.string.badKeysEncountered, bad));
alert.setPositiveButton(android.R.string.ok,
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
dialog.cancel();
}
});
alert.setCancelable(true);
alert.create().show();
}
}
};
};
// Create a new Messenger for the communication back
Messenger messenger = new Messenger(saveHandler);
intent.putExtra(ApgIntentService.EXTRA_MESSENGER, messenger);
// show progress dialog
saveHandler.showProgressDialog(this);
// start service with intent
startService(intent);
}
}
public void signAndUploadOnClick(View view) {
// first, import!
importOnClick(view);
// TODO: implement sign and upload!
Toast.makeText(ImportKeysActivity.this, "Not implemented right now!", Toast.LENGTH_SHORT)
.show();
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
case Id.request.filename: {
if (resultCode == RESULT_OK && data != null) {
try {
String path = data.getData().getPath();
Log.d(Constants.TAG, "path=" + path);
// set filename used in export/import dialogs
mFileDialog.setFilename(path);
} catch (NullPointerException e) {
Log.e(Constants.TAG, "Nullpointer while retrieving path!", e);
}
}
return;
}
case IntentIntegrator.REQUEST_CODE: {
IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode,
data);
if (scanResult != null && scanResult.getFormatName() != null) {
mScannedContent = scanResult.getContents();
mContentView.setText(mScannedContent);
// String[] bits = scanResult.getContents().split(",");
// if (bits.length != 2) {
// return; // dont know how to handle this. Not a valid code
// }
//
// long keyId = Long.parseLong(bits[0]);
// String expectedFingerprint = bits[1];
// importAndSign(keyId, expectedFingerprint);
}
break;
}
default: {
super.onActivityResult(requestCode, resultCode, data);
}
}
}
}
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