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/*
* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.sufficientlysecure.keychain.remote_api;
import org.sufficientlysecure.keychain.Constants;
import org.sufficientlysecure.keychain.Id;
import org.sufficientlysecure.keychain.R;
import org.sufficientlysecure.keychain.helper.ActionBarHelper;
import org.sufficientlysecure.keychain.helper.PgpMain;
import org.sufficientlysecure.keychain.provider.ProviderHelper;
import org.sufficientlysecure.keychain.ui.SelectPublicKeyFragment;
import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
import org.sufficientlysecure.keychain.util.Log;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.os.Messenger;
import android.os.RemoteException;
import android.view.View;
import android.widget.Toast;
import com.actionbarsherlock.app.SherlockFragmentActivity;
public class CryptoServiceActivity extends SherlockFragmentActivity {
public static final String ACTION_REGISTER = Constants.INTENT_PREFIX + "API_ACTIVITY_REGISTER";
public static final String ACTION_CACHE_PASSPHRASE = Constants.INTENT_PREFIX
+ "API_ACTIVITY_CACHE_PASSPHRASE";
public static final String ACTION_SELECT_PUB_KEYS = Constants.INTENT_PREFIX
+ "API_ACTIVITY_SELECT_PUB_KEYS";
public static final String EXTRA_MESSENGER = "messenger";
public static final String EXTRA_SECRET_KEY_ID = "secretKeyId";
public static final String EXTRA_PACKAGE_NAME = "packageName";
public static final String EXTRA_SELECTED_MASTER_KEY_IDS = "masterKeyIds";
private Messenger mMessenger;
// register view
private AppSettingsFragment mSettingsFragment;
// select pub key view
private SelectPublicKeyFragment mSelectFragment;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
handleActions(getIntent(), savedInstanceState);
}
protected void handleActions(Intent intent, Bundle savedInstanceState) {
String action = intent.getAction();
Bundle extras = intent.getExtras();
if (extras == null) {
extras = new Bundle();
}
mMessenger = extras.getParcelable(EXTRA_MESSENGER);
/**
* com.android.crypto actions
*/
if (ACTION_REGISTER.equals(action)) {
final String packageName = extras.getString(EXTRA_PACKAGE_NAME);
// Inflate a "Done"/"Cancel" custom action bar view
ActionBarHelper.setDoneCancelView(getSupportActionBar(), R.string.api_register_allow,
new View.OnClickListener() {
@Override
public void onClick(View v) {
// Allow
// user needs to select a key!
if (mSettingsFragment.getAppSettings().getKeyId() == Id.key.none) {
Toast.makeText(CryptoServiceActivity.this,
R.string.api_register_error_select_key, Toast.LENGTH_LONG)
.show();
} else {
ProviderHelper.insertApiApp(CryptoServiceActivity.this,
mSettingsFragment.getAppSettings());
Message msg = Message.obtain();
msg.arg1 = CryptoService.RegisterActivityCallback.ALLOW;
Bundle data = new Bundle();
data.putString(CryptoService.RegisterActivityCallback.PACKAGE_NAME,
packageName);
msg.setData(data);
try {
mMessenger.send(msg);
} catch (RemoteException e) {
Log.e(Constants.TAG, "CryptoServiceActivity", e);
}
finish();
}
}
}, R.string.api_register_disallow, new View.OnClickListener() {
@Override
public void onClick(View v) {
// Disallow
Message msg = Message.obtain();
msg.arg1 = CryptoService.RegisterActivityCallback.DISALLOW;
try {
mMessenger.send(msg);
} catch (RemoteException e) {
Log.e(Constants.TAG, "CryptoServiceActivity", e);
}
finish();
}
});
setContentView(R.layout.api_app_register_activity);
mSettingsFragment = (AppSettingsFragment) getSupportFragmentManager().findFragmentById(
R.id.api_app_settings_fragment);
AppSettings settings = new AppSettings(packageName);
mSettingsFragment.setAppSettings(settings);
} else if (ACTION_CACHE_PASSPHRASE.equals(action)) {
long secretKeyId = extras.getLong(EXTRA_SECRET_KEY_ID);
showPassphraseDialog(secretKeyId);
} else if (ACTION_SELECT_PUB_KEYS.equals(action)) {
long[] selectedMasterKeyIds = intent.getLongArrayExtra(EXTRA_SELECTED_MASTER_KEY_IDS);
// Inflate a "Done"/"Cancel" custom action bar view
ActionBarHelper.setDoneCancelView(getSupportActionBar(), R.string.btn_okay,
new View.OnClickListener() {
@Override
public void onClick(View v) {
// ok
Message msg = Message.obtain();
msg.arg1 = CryptoService.SelectPubKeysActivityCallback.OKAY;
Bundle data = new Bundle();
data.putLongArray(
CryptoService.SelectPubKeysActivityCallback.PUB_KEY_IDS,
mSelectFragment.getSelectedMasterKeyIds());
msg.setData(data);
try {
mMessenger.send(msg);
} catch (RemoteException e) {
Log.e(Constants.TAG, "CryptoServiceActivity", e);
}
finish();
}
}, R.string.btn_doNotSave, new View.OnClickListener() {
@Override
public void onClick(View v) {
// cancel
Message msg = Message.obtain();
msg.arg1 = CryptoService.SelectPubKeysActivityCallback.CANCEL;
;
try {
mMessenger.send(msg);
} catch (RemoteException e) {
Log.e(Constants.TAG, "CryptoServiceActivity", e);
}
finish();
}
});
setContentView(R.layout.api_app_select_pub_keys_activity);
/* Load select pub keys fragment */
// Check that the activity is using the layout version with
// the fragment_container FrameLayout
if (findViewById(R.id.api_select_pub_keys_fragment_container) != null) {
// However, if we're being restored from a previous state,
// then we don't need to do anything and should return or else
// we could end up with overlapping fragments.
if (savedInstanceState != null) {
return;
}
// Create an instance of the fragment
mSelectFragment = SelectPublicKeyFragment.newInstance(selectedMasterKeyIds);
// Add the fragment to the 'fragment_container' FrameLayout
getSupportFragmentManager().beginTransaction()
.add(R.id.api_select_pub_keys_fragment_container, mSelectFragment).commit();
}
} else {
Log.e(Constants.TAG, "Wrong action!");
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) {
Message msg = Message.obtain();
msg.arg1 = CryptoService.PassphraseActivityCallback.SUCCESS;
try {
mMessenger.send(msg);
} catch (RemoteException e) {
Log.e(Constants.TAG, "CryptoServiceActivity", e);
}
} else {
Message msg = Message.obtain();
msg.arg1 = CryptoService.PassphraseActivityCallback.NO_SUCCESS;
try {
mMessenger.send(msg);
} catch (RemoteException e) {
Log.e(Constants.TAG, "CryptoServiceActivity", e);
}
}
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);
}
}
}
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