178 lines
7.1 KiB
Java
178 lines
7.1 KiB
Java
/*
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* Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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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.Id;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround;
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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.ui.dialog.FileDialogFragment;
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import org.sufficientlysecure.keychain.util.Log;
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public class ExportHelper {
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protected FileDialogFragment mFileDialog;
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protected String mExportFilename;
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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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// Create a new Messenger for the communication back
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Messenger messenger = new Messenger(deleteHandler);
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long masterKeyId = ProviderHelper.getMasterKeyId(mActivity, dataUri);
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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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}
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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 String exportFilename,
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final boolean showSecretCheckbox) {
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mExportFilename = exportFilename;
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// Message is received after file is selected
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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 == FileDialogFragment.MESSAGE_OKAY) {
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Bundle data = message.getData();
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mExportFilename = data.getString(FileDialogFragment.MESSAGE_DATA_FILENAME);
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exportKeys(masterKeyIds, data.getBoolean(FileDialogFragment.MESSAGE_DATA_CHECKED));
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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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final Messenger messenger = new Messenger(returnHandler);
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DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() {
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public void run() {
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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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mFileDialog = FileDialogFragment.newInstance(messenger, title, message,
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exportFilename, checkMsg);
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mFileDialog.show(mActivity.getSupportFragmentManager(), "fileDialog");
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}
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});
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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, mExportFilename);
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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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