269 lines
11 KiB
Java
269 lines
11 KiB
Java
/*
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* Copyright (C) 2013 Dominik Schürmann <dominik@dominikschuermann.de>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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package org.sufficientlysecure.keychain.remote_api;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.Id;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.helper.PgpMain;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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import org.sufficientlysecure.keychain.ui.dialog.PassphraseDialogFragment;
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import org.sufficientlysecure.keychain.util.Log;
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import android.content.ComponentName;
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import android.content.Context;
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import android.content.Intent;
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import android.content.ServiceConnection;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.IBinder;
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import android.os.Message;
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import android.os.Messenger;
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import android.os.RemoteException;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.TextView;
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import android.widget.Toast;
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import com.actionbarsherlock.app.ActionBar;
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import com.actionbarsherlock.app.SherlockFragmentActivity;
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public class CryptoServiceActivity extends SherlockFragmentActivity {
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public static final String ACTION_REGISTER = "org.sufficientlysecure.keychain.remote_api.REGISTER";
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public static final String ACTION_CACHE_PASSPHRASE = "org.sufficientlysecure.keychain.remote_api.CRYPTO_CACHE_PASSPHRASE";
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public static final String EXTRA_SECRET_KEY_ID = "secretKeyId";
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public static final String EXTRA_PACKAGE_NAME = "packageName";
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private IServiceActivityCallback mServiceCallback;
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private boolean mServiceBound;
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// view
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AppSettingsFragment settingsFragment;
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private ServiceConnection mServiceActivityConnection = new ServiceConnection() {
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public void onServiceConnected(ComponentName name, IBinder service) {
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mServiceCallback = IServiceActivityCallback.Stub.asInterface(service);
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Log.d(Constants.TAG, "connected to ICryptoServiceActivity");
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mServiceBound = true;
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}
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public void onServiceDisconnected(ComponentName name) {
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mServiceCallback = null;
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Log.d(Constants.TAG, "disconnected from ICryptoServiceActivity");
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mServiceBound = false;
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}
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};
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/**
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* If not already bound, bind!
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*
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* @return
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*/
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public boolean bindToService() {
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if (mServiceCallback == null && !mServiceBound) { // if not already connected
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try {
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Log.d(Constants.TAG, "not bound yet");
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Intent serviceIntent = new Intent();
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serviceIntent
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.setAction("org.sufficientlysecure.keychain.crypto_provider.IServiceActivityCallback");
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bindService(serviceIntent, mServiceActivityConnection, Context.BIND_AUTO_CREATE);
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return true;
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} catch (Exception e) {
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Log.d(Constants.TAG, "Exception", e);
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return false;
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}
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} else { // already connected
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Log.d(Constants.TAG, "already bound... ");
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return true;
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}
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}
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public void unbindFromService() {
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unbindService(mServiceActivityConnection);
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}
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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Log.d(Constants.TAG, "onCreate…");
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// bind to our own crypto service
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bindToService();
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handleActions(getIntent());
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}
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@Override
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protected void onDestroy() {
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super.onDestroy();
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// unbind from our crypto service
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if (mServiceActivityConnection != null) {
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unbindFromService();
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}
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}
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protected void handleActions(Intent intent) {
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String action = intent.getAction();
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Bundle extras = intent.getExtras();
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if (extras == null) {
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extras = new Bundle();
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}
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/**
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* com.android.crypto actions
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*/
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if (ACTION_REGISTER.equals(action)) {
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final String packageName = extras.getString(EXTRA_PACKAGE_NAME);
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// Inflate a "Done"/"Cancel" custom action bar view
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final LayoutInflater inflater = (LayoutInflater) getSupportActionBar()
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.getThemedContext().getSystemService(LAYOUT_INFLATER_SERVICE);
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final View customActionBarView = inflater.inflate(
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R.layout.actionbar_custom_view_done_cancel, null);
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((TextView) customActionBarView.findViewById(R.id.actionbar_done_text))
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.setText(R.string.api_register_allow);
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customActionBarView.findViewById(R.id.actionbar_done).setOnClickListener(
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new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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// Allow
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// user needs to select a key!
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if (settingsFragment.getAppSettings().getKeyId() == Id.key.none) {
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Toast.makeText(CryptoServiceActivity.this,
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R.string.api_register_error_select_key, Toast.LENGTH_LONG)
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.show();
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} else {
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ProviderHelper.insertApiApp(CryptoServiceActivity.this,
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settingsFragment.getAppSettings());
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try {
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mServiceCallback.onRegistered(true, packageName);
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} catch (RemoteException e) {
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Log.e(Constants.TAG, "ServiceActivity");
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}
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finish();
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}
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}
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});
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((TextView) customActionBarView.findViewById(R.id.actionbar_cancel_text))
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.setText(R.string.api_register_disallow);
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customActionBarView.findViewById(R.id.actionbar_cancel).setOnClickListener(
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new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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// Disallow
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try {
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mServiceCallback.onRegistered(false, packageName);
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} catch (RemoteException e) {
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Log.e(Constants.TAG, "ServiceActivity");
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}
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finish();
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}
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});
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// Show the custom action bar view and hide the normal Home icon and title.
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final ActionBar actionBar = getSupportActionBar();
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actionBar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM,
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ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_SHOW_HOME
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| ActionBar.DISPLAY_SHOW_TITLE);
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actionBar.setCustomView(customActionBarView, new ActionBar.LayoutParams(
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ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
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setContentView(R.layout.api_app_register_activity);
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settingsFragment = (AppSettingsFragment) getSupportFragmentManager().findFragmentById(
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R.id.api_app_settings_fragment);
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AppSettings settings = new AppSettings(packageName);
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settingsFragment.setAppSettings(settings);
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// TODO: handle if app is already registered
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// LinearLayout layoutRegister = (LinearLayout)
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// findViewById(R.id.register_crypto_consumer_register_layout);
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// LinearLayout layoutEdit = (LinearLayout)
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// findViewById(R.id.register_crypto_consumer_edit_layout);
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//
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// // if already registered show edit buttons
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// ArrayList<String> allowedPkgs = ProviderHelper.getCryptoConsumers(this);
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// if (allowedPkgs.contains(packageName)) {
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// Log.d(Constants.TAG, "Package is allowed! packageName: " + packageName);
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// layoutRegister.setVisibility(View.GONE);
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// layoutEdit.setVisibility(View.VISIBLE);
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// } else {
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// layoutRegister.setVisibility(View.VISIBLE);
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// layoutEdit.setVisibility(View.GONE);
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// }
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} else if (ACTION_CACHE_PASSPHRASE.equals(action)) {
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long secretKeyId = extras.getLong(EXTRA_SECRET_KEY_ID);
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showPassphraseDialog(secretKeyId);
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} else {
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Log.e(Constants.TAG, "Wrong action!");
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finish();
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}
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}
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/**
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* Shows passphrase dialog to cache a new passphrase the user enters for using it later for
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* encryption. Based on mSecretKeyId it asks for a passphrase to open a private key or it asks
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* for a symmetric passphrase
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*/
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private void showPassphraseDialog(long secretKeyId) {
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// Message is received after passphrase is cached
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Handler returnHandler = new Handler() {
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@Override
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public void handleMessage(Message message) {
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if (message.what == PassphraseDialogFragment.MESSAGE_OKAY) {
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try {
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mServiceCallback.onCachedPassphrase(true);
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} catch (RemoteException e) {
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Log.e(Constants.TAG, "ServiceActivity");
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}
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finish();
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}
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}
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};
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// Create a new Messenger for the communication back
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Messenger messenger = new Messenger(returnHandler);
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try {
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PassphraseDialogFragment passphraseDialog = PassphraseDialogFragment.newInstance(this,
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messenger, secretKeyId);
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passphraseDialog.show(getSupportFragmentManager(), "passphraseDialog");
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} catch (PgpMain.PgpGeneralException e) {
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Log.d(Constants.TAG, "No passphrase for this secret key, encrypt directly!");
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// send message to handler to start encryption directly
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returnHandler.sendEmptyMessage(PassphraseDialogFragment.MESSAGE_OKAY);
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}
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}
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}
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