167 lines
6.5 KiB
Java
167 lines
6.5 KiB
Java
/*
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* Copyright (C) 2014 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.helper;
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import android.app.ProgressDialog;
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import android.content.DialogInterface;
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import android.content.Intent;
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import android.net.Uri;
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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.support.v7.app.ActionBarActivity;
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import android.widget.Toast;
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import org.sufficientlysecure.keychain.Constants;
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import org.sufficientlysecure.keychain.R;
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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.service.KeychainIntentService;
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import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler;
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import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment;
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import org.sufficientlysecure.keychain.util.Log;
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import java.io.File;
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public class ExportHelper {
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protected File mExportFile;
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ActionBarActivity mActivity;
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public ExportHelper(ActionBarActivity activity) {
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super();
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this.mActivity = activity;
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}
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public void deleteKey(Uri dataUri, Handler deleteHandler) {
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try {
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long masterKeyId = new ProviderHelper(mActivity).getCachedPublicKeyRing(dataUri)
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.extractOrGetMasterKeyId();
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// Create a new Messenger for the communication back
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Messenger messenger = new Messenger(deleteHandler);
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DeleteKeyDialogFragment deleteKeyDialog = DeleteKeyDialogFragment.newInstance(messenger,
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new long[]{ masterKeyId });
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deleteKeyDialog.show(mActivity.getSupportFragmentManager(), "deleteKeyDialog");
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} catch (PgpGeneralException e) {
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Log.e(Constants.TAG, "key not found!", e);
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}
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}
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/**
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* Show dialog where to export keys
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*/
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public void showExportKeysDialog(final long[] masterKeyIds, final File exportFile,
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final boolean showSecretCheckbox) {
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mExportFile = exportFile;
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String title = null;
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if (masterKeyIds == null) {
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// export all keys
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title = mActivity.getString(R.string.title_export_keys);
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} else {
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// export only key specified at data uri
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title = mActivity.getString(R.string.title_export_key);
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}
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String message = mActivity.getString(R.string.specify_file_to_export_to);
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String checkMsg = showSecretCheckbox ?
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mActivity.getString(R.string.also_export_secret_keys) : null;
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FileHelper.saveFile(new FileHelper.FileDialogCallback() {
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@Override
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public void onFileSelected(File file, boolean checked) {
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mExportFile = file;
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exportKeys(masterKeyIds, checked);
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}
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}, mActivity.getSupportFragmentManager() ,title, message, exportFile, checkMsg);
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}
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/**
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* Export keys
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*/
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public void exportKeys(long[] masterKeyIds, boolean exportSecret) {
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Log.d(Constants.TAG, "exportKeys started");
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// Send all information needed to service to export key in other thread
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final Intent intent = new Intent(mActivity, KeychainIntentService.class);
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intent.setAction(KeychainIntentService.ACTION_EXPORT_KEYRING);
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// fill values for this action
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Bundle data = new Bundle();
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data.putString(KeychainIntentService.EXPORT_FILENAME, mExportFile.getAbsolutePath());
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data.putBoolean(KeychainIntentService.EXPORT_SECRET, exportSecret);
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if (masterKeyIds == null) {
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data.putBoolean(KeychainIntentService.EXPORT_ALL, true);
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} else {
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data.putLongArray(KeychainIntentService.EXPORT_KEY_RING_MASTER_KEY_ID, masterKeyIds);
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}
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intent.putExtra(KeychainIntentService.EXTRA_DATA, data);
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// Message is received after exporting is done in KeychainIntentService
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KeychainIntentServiceHandler exportHandler = new KeychainIntentServiceHandler(mActivity,
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mActivity.getString(R.string.progress_exporting),
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ProgressDialog.STYLE_HORIZONTAL,
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true,
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new DialogInterface.OnCancelListener() {
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@Override
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public void onCancel(DialogInterface dialogInterface) {
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mActivity.stopService(intent);
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}
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}) {
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public void handleMessage(Message message) {
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// handle messages by standard KeychainIntentServiceHandler first
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super.handleMessage(message);
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if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) {
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// get returned data bundle
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Bundle returnData = message.getData();
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int exported = returnData.getInt(KeychainIntentService.RESULT_EXPORT);
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String toastMessage;
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if (exported == 1) {
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toastMessage = mActivity.getString(R.string.key_exported);
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} else if (exported > 0) {
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toastMessage = mActivity.getString(R.string.keys_exported, exported);
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} else {
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toastMessage = mActivity.getString(R.string.no_keys_exported);
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}
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Toast.makeText(mActivity, toastMessage, Toast.LENGTH_SHORT).show();
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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(exportHandler);
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intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger);
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// show progress dialog
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exportHandler.showProgressDialog(mActivity);
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// start service with intent
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mActivity.startService(intent);
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}
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}
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