93 lines
3.1 KiB
Java
93 lines
3.1 KiB
Java
|
package org.sufficientlysecure.keychain.crypto_provider;
|
||
|
|
|
||
|
|
import org.sufficientlysecure.keychain.Constants;
|
||
|
|
import org.sufficientlysecure.keychain.Id;
|
||
|
|
import org.sufficientlysecure.keychain.R;
|
||
|
|
import org.sufficientlysecure.keychain.helper.PgpMain;
|
||
|
|
import org.sufficientlysecure.keychain.provider.ProviderHelper;
|
||
|
|
import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
|
||
|
|
import org.sufficientlysecure.keychain.util.Log;
|
||
|
|
|
||
|
|
import com.actionbarsherlock.app.SherlockFragmentActivity;
|
||
|
|
|
||
|
|
import android.app.Activity;
|
||
|
|
import android.content.Intent;
|
||
|
|
import android.os.Bundle;
|
||
|
|
import android.os.Handler;
|
||
|
|
import android.os.Message;
|
||
|
|
import android.os.Messenger;
|
||
|
|
import android.view.View;
|
||
|
|
import android.view.View.OnClickListener;
|
||
|
|
import android.widget.Button;
|
||
|
|
|
||
|
|
public class CryptoActivity extends SherlockFragmentActivity {
|
||
|
|
|
||
|
|
public static final String ACTION_CACHE_PASSPHRASE = "org.sufficientlysecure.keychain.CRYPTO_CACHE_PASSPHRASE";
|
||
|
|
|
||
|
|
public static final String EXTRA_SECRET_KEY_ID = "secret_key_id";
|
||
|
|
|
||
|
|
@Override
|
||
|
|
protected void onCreate(Bundle savedInstanceState) {
|
||
|
|
super.onCreate(savedInstanceState);
|
||
|
|
|
||
|
|
handleActions(getIntent());
|
||
|
|
}
|
||
|
|
|
||
|
|
protected void handleActions(Intent intent) {
|
||
|
|
|
||
|
|
// TODO: Important: Check if calling package is in list!
|
||
|
|
|
||
|
|
String action = intent.getAction();
|
||
|
|
Bundle extras = intent.getExtras();
|
||
|
|
|
||
|
|
if (extras == null) {
|
||
|
|
extras = new Bundle();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* com.android.crypto actions
|
||
|
|
*/
|
||
|
|
if (ACTION_CACHE_PASSPHRASE.equals(action)) {
|
||
|
|
long secretKeyId = extras.getLong(EXTRA_SECRET_KEY_ID);
|
||
|
|
|
||
|
|
showPassphraseDialog(secretKeyId);
|
||
|
|
} else {
|
||
|
|
Log.e(Constants.TAG, "Wrong action!");
|
||
|
|
setResult(RESULT_CANCELED);
|
||
|
|
finish();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Shows passphrase dialog to cache a new passphrase the user enters for using it later for
|
||
|
|
* encryption. Based on mSecretKeyId it asks for a passphrase to open a private key or it asks
|
||
|
|
* for a symmetric passphrase
|
||
|
|
*/
|
||
|
|
private void showPassphraseDialog(long secretKeyId) {
|
||
|
|
// Message is received after passphrase is cached
|
||
|
|
Handler returnHandler = new Handler() {
|
||
|
|
@Override
|
||
|
|
public void handleMessage(Message message) {
|
||
|
|
if (message.what == PassphraseDialogFragment.MESSAGE_OKAY) {
|
||
|
|
setResult(RESULT_OK);
|
||
|
|
finish();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
};
|
||
|
|
|
||
|
|
// Create a new Messenger for the communication back
|
||
|
|
Messenger messenger = new Messenger(returnHandler);
|
||
|
|
|
||
|
|
try {
|
||
|
|
PassphraseDialogFragment passphraseDialog = PassphraseDialogFragment.newInstance(this,
|
||
|
|
messenger, secretKeyId);
|
||
|
|
|
||
|
|
passphraseDialog.show(getSupportFragmentManager(), "passphraseDialog");
|
||
|
|
} catch (PgpMain.PgpGeneralException e) {
|
||
|
|
Log.d(Constants.TAG, "No passphrase for this secret key, encrypt directly!");
|
||
|
|
// send message to handler to start encryption directly
|
||
|
|
returnHandler.sendEmptyMessage(PassphraseDialogFragment.MESSAGE_OKAY);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|