353 lines
15 KiB
Java
353 lines
15 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.service.remote;
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import java.util.ArrayList;
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import org.sufficientlysecure.htmltextview.HtmlTextView;
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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.ActionBarHelper;
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import org.sufficientlysecure.keychain.pgp.exception.PgpGeneralException;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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import org.sufficientlysecure.keychain.ui.SelectPublicKeyFragment;
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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.Intent;
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import android.os.Bundle;
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import android.os.Handler;
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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.View;
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import android.widget.Toast;
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import com.actionbarsherlock.app.SherlockFragmentActivity;
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public class RemoteServiceActivity extends SherlockFragmentActivity {
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public static final String ACTION_REGISTER = Constants.INTENT_PREFIX + "API_ACTIVITY_REGISTER";
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public static final String ACTION_CACHE_PASSPHRASE = Constants.INTENT_PREFIX
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+ "API_ACTIVITY_CACHE_PASSPHRASE";
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public static final String ACTION_SELECT_PUB_KEYS = Constants.INTENT_PREFIX
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+ "API_ACTIVITY_SELECT_PUB_KEYS";
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public static final String ACTION_ERROR_MESSAGE = Constants.INTENT_PREFIX
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+ "API_ACTIVITY_ERROR_MESSAGE";
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public static final String EXTRA_MESSENGER = "messenger";
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// passphrase action
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public static final String EXTRA_SECRET_KEY_ID = "secret_key_id";
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// register action
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public static final String EXTRA_PACKAGE_NAME = "package_name";
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public static final String EXTRA_PACKAGE_SIGNATURE = "package_signature";
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// select pub keys action
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public static final String EXTRA_SELECTED_MASTER_KEY_IDS = "master_key_ids";
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public static final String EXTRA_MISSING_USER_IDS = "missing_user_ids";
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public static final String EXTRA_DUBLICATE_USER_IDS = "dublicate_user_ids";
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// error message
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public static final String EXTRA_ERROR_MESSAGE = "error_message";
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private Messenger mMessenger;
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// register view
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private AppSettingsFragment mSettingsFragment;
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// select pub keys view
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private SelectPublicKeyFragment mSelectFragment;
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// has the user clicked one of the buttons
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// or do we need to handle the callback in onStop()
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private boolean finishHandled;
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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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handleActions(getIntent(), savedInstanceState);
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}
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@Override
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protected void onStop() {
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super.onStop();
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if (!finishHandled) {
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Message msg = Message.obtain();
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msg.arg1 = RemoteService.RegisterActivityCallback.CANCEL;
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try {
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mMessenger.send(msg);
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} catch (RemoteException e) {
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Log.e(Constants.TAG, "CryptoServiceActivity", e);
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}
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}
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}
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protected void handleActions(Intent intent, Bundle savedInstanceState) {
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finishHandled = false;
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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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mMessenger = extras.getParcelable(EXTRA_MESSENGER);
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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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final byte[] packageSignature = extras.getByteArray(EXTRA_PACKAGE_SIGNATURE);
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// Inflate a "Done"/"Cancel" custom action bar view
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ActionBarHelper.setDoneCancelView(getSupportActionBar(), R.string.api_register_allow,
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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 (mSettingsFragment.getAppSettings().getKeyId() == Id.key.none) {
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Toast.makeText(RemoteServiceActivity.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(RemoteServiceActivity.this,
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mSettingsFragment.getAppSettings());
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Message msg = Message.obtain();
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msg.arg1 = RemoteService.RegisterActivityCallback.OKAY;
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Bundle data = new Bundle();
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data.putString(RemoteService.RegisterActivityCallback.PACKAGE_NAME,
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packageName);
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msg.setData(data);
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try {
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mMessenger.send(msg);
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} catch (RemoteException e) {
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Log.e(Constants.TAG, "CryptoServiceActivity", e);
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}
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finishHandled = true;
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finish();
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}
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}
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}, R.string.api_register_disallow, 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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Message msg = Message.obtain();
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msg.arg1 = RemoteService.RegisterActivityCallback.CANCEL;
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try {
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mMessenger.send(msg);
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} catch (RemoteException e) {
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Log.e(Constants.TAG, "CryptoServiceActivity", e);
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}
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finishHandled = true;
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finish();
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}
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});
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setContentView(R.layout.api_app_register_activity);
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mSettingsFragment = (AppSettingsFragment) getSupportFragmentManager().findFragmentById(
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R.id.api_app_settings_fragment);
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AppSettings settings = new AppSettings(packageName, packageSignature);
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mSettingsFragment.setAppSettings(settings);
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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 if (ACTION_SELECT_PUB_KEYS.equals(action)) {
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long[] selectedMasterKeyIds = intent.getLongArrayExtra(EXTRA_SELECTED_MASTER_KEY_IDS);
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ArrayList<String> missingUserIds = intent
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.getStringArrayListExtra(EXTRA_MISSING_USER_IDS);
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ArrayList<String> dublicateUserIds = intent
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.getStringArrayListExtra(EXTRA_DUBLICATE_USER_IDS);
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String text = new String();
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text += "<b>" + getString(R.string.api_select_pub_keys_text) + "</b>";
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text += "<br/><br/>";
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if (missingUserIds != null && missingUserIds.size() > 0) {
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text += getString(R.string.api_select_pub_keys_missing_text);
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text += "<br/>";
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text += "<ul>";
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for (String userId : missingUserIds) {
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text += "<li>" + userId + "</li>";
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}
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text += "</ul>";
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text += "<br/>";
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}
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if (dublicateUserIds != null && dublicateUserIds.size() > 0) {
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text += getString(R.string.api_select_pub_keys_dublicates_text);
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text += "<br/>";
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text += "<ul>";
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for (String userId : dublicateUserIds) {
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text += "<li>" + userId + "</li>";
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}
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text += "</ul>";
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}
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// Inflate a "Done"/"Cancel" custom action bar view
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ActionBarHelper.setDoneCancelView(getSupportActionBar(), R.string.btn_okay,
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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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// ok
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Message msg = Message.obtain();
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msg.arg1 = OpenPgpService.SelectPubKeysActivityCallback.OKAY;
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Bundle data = new Bundle();
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data.putLongArray(
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OpenPgpService.SelectPubKeysActivityCallback.PUB_KEY_IDS,
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mSelectFragment.getSelectedMasterKeyIds());
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msg.setData(data);
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try {
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mMessenger.send(msg);
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} catch (RemoteException e) {
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Log.e(Constants.TAG, "CryptoServiceActivity", e);
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}
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finishHandled = true;
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finish();
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}
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}, R.string.btn_do_not_save, new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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// cancel
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Message msg = Message.obtain();
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msg.arg1 = OpenPgpService.SelectPubKeysActivityCallback.CANCEL;
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;
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try {
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mMessenger.send(msg);
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} catch (RemoteException e) {
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Log.e(Constants.TAG, "CryptoServiceActivity", e);
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}
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finishHandled = true;
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finish();
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}
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});
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setContentView(R.layout.api_app_select_pub_keys_activity);
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// set text on view
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HtmlTextView textView = (HtmlTextView) findViewById(R.id.api_select_pub_keys_text);
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textView.setHtmlFromString(text);
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/* Load select pub keys fragment */
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// Check that the activity is using the layout version with
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// the fragment_container FrameLayout
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if (findViewById(R.id.api_select_pub_keys_fragment_container) != null) {
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// However, if we're being restored from a previous state,
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// then we don't need to do anything and should return or else
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// we could end up with overlapping fragments.
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if (savedInstanceState != null) {
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return;
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}
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// Create an instance of the fragment
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mSelectFragment = SelectPublicKeyFragment.newInstance(selectedMasterKeyIds);
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// Add the fragment to the 'fragment_container' FrameLayout
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getSupportFragmentManager().beginTransaction()
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.add(R.id.api_select_pub_keys_fragment_container, mSelectFragment).commit();
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}
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} else if (ACTION_ERROR_MESSAGE.equals(action)) {
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String errorMessage = intent.getStringExtra(EXTRA_ERROR_MESSAGE);
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String text = new String();
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text += "<font color=\"red\">" + errorMessage + "</font>";
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// Inflate a "Done" custom action bar view
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ActionBarHelper.setDoneView(getSupportActionBar(), R.string.btn_okay,
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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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finish();
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}
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});
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setContentView(R.layout.api_app_error_message);
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// set text on view
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HtmlTextView textView = (HtmlTextView) findViewById(R.id.api_app_error_message_text);
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textView.setHtmlFromString(text);
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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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Message msg = Message.obtain();
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msg.arg1 = OpenPgpService.PassphraseActivityCallback.OKAY;
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try {
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mMessenger.send(msg);
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} catch (RemoteException e) {
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Log.e(Constants.TAG, "CryptoServiceActivity", e);
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}
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} else {
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Message msg = Message.obtain();
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msg.arg1 = OpenPgpService.PassphraseActivityCallback.CANCEL;
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try {
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mMessenger.send(msg);
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} catch (RemoteException e) {
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Log.e(Constants.TAG, "CryptoServiceActivity", e);
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}
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}
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finishHandled = true;
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finish();
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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 (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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