diff options
Diffstat (limited to 'OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/ExportHelper.java')
-rw-r--r-- | OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/ExportHelper.java | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/ExportHelper.java b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/ExportHelper.java new file mode 100644 index 000000000..810f22d8e --- /dev/null +++ b/OpenKeychain/src/main/java/org/sufficientlysecure/keychain/helper/ExportHelper.java @@ -0,0 +1,177 @@ +/* + * Copyright (C) 2014 Dominik Schürmann <dominik@dominikschuermann.de> + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +package org.sufficientlysecure.keychain.helper; + +import android.app.ProgressDialog; +import android.content.DialogInterface; +import android.content.Intent; +import android.net.Uri; +import android.os.Bundle; +import android.os.Handler; +import android.os.Message; +import android.os.Messenger; +import android.support.v7.app.ActionBarActivity; +import android.widget.Toast; +import org.sufficientlysecure.keychain.Constants; +import org.sufficientlysecure.keychain.Id; +import org.sufficientlysecure.keychain.R; +import org.sufficientlysecure.keychain.compatibility.DialogFragmentWorkaround; +import org.sufficientlysecure.keychain.provider.ProviderHelper; +import org.sufficientlysecure.keychain.service.KeychainIntentService; +import org.sufficientlysecure.keychain.service.KeychainIntentServiceHandler; +import org.sufficientlysecure.keychain.ui.dialog.DeleteKeyDialogFragment; +import org.sufficientlysecure.keychain.ui.dialog.FileDialogFragment; +import org.sufficientlysecure.keychain.util.Log; + +public class ExportHelper { + protected FileDialogFragment mFileDialog; + protected String mExportFilename; + + ActionBarActivity mActivity; + + public ExportHelper(ActionBarActivity activity) { + super(); + this.mActivity = activity; + } + + public void deleteKey(Uri dataUri, Handler deleteHandler) { + // Create a new Messenger for the communication back + Messenger messenger = new Messenger(deleteHandler); + long masterKeyId = ProviderHelper.getMasterKeyId(mActivity, dataUri); + + DeleteKeyDialogFragment deleteKeyDialog = DeleteKeyDialogFragment.newInstance(messenger, + new long[]{ masterKeyId }); + deleteKeyDialog.show(mActivity.getSupportFragmentManager(), "deleteKeyDialog"); + } + + /** + * Show dialog where to export keys + */ + public void showExportKeysDialog(final long[] masterKeyIds, final String exportFilename, + final boolean showSecretCheckbox) { + mExportFilename = exportFilename; + + // Message is received after file is selected + Handler returnHandler = new Handler() { + @Override + public void handleMessage(Message message) { + if (message.what == FileDialogFragment.MESSAGE_OKAY) { + Bundle data = message.getData(); + mExportFilename = data.getString(FileDialogFragment.MESSAGE_DATA_FILENAME); + + exportKeys(masterKeyIds, data.getBoolean(FileDialogFragment.MESSAGE_DATA_CHECKED)); + } + } + }; + + // Create a new Messenger for the communication back + final Messenger messenger = new Messenger(returnHandler); + + DialogFragmentWorkaround.INTERFACE.runnableRunDelayed(new Runnable() { + public void run() { + String title = null; + if (masterKeyIds == null) { + // export all keys + title = mActivity.getString(R.string.title_export_keys); + } else { + // export only key specified at data uri + title = mActivity.getString(R.string.title_export_key); + } + + String message = mActivity.getString(R.string.specify_file_to_export_to); + String checkMsg = showSecretCheckbox ? + mActivity.getString(R.string.also_export_secret_keys) : null; + + mFileDialog = FileDialogFragment.newInstance(messenger, title, message, + exportFilename, checkMsg); + + mFileDialog.show(mActivity.getSupportFragmentManager(), "fileDialog"); + } + }); + } + + /** + * Export keys + */ + public void exportKeys(long[] masterKeyIds, boolean exportSecret) { + Log.d(Constants.TAG, "exportKeys started"); + + // Send all information needed to service to export key in other thread + final Intent intent = new Intent(mActivity, KeychainIntentService.class); + + intent.setAction(KeychainIntentService.ACTION_EXPORT_KEYRING); + + // fill values for this action + Bundle data = new Bundle(); + + data.putString(KeychainIntentService.EXPORT_FILENAME, mExportFilename); + data.putBoolean(KeychainIntentService.EXPORT_SECRET, exportSecret); + + if (masterKeyIds == null) { + data.putBoolean(KeychainIntentService.EXPORT_ALL, true); + } else { + data.putLongArray(KeychainIntentService.EXPORT_KEY_RING_MASTER_KEY_ID, masterKeyIds); + } + + intent.putExtra(KeychainIntentService.EXTRA_DATA, data); + + // Message is received after exporting is done in KeychainIntentService + KeychainIntentServiceHandler exportHandler = new KeychainIntentServiceHandler(mActivity, + mActivity.getString(R.string.progress_exporting), + ProgressDialog.STYLE_HORIZONTAL, + true, + new DialogInterface.OnCancelListener() { + @Override + public void onCancel(DialogInterface dialogInterface) { + mActivity.stopService(intent); + } + }) { + public void handleMessage(Message message) { + // handle messages by standard KeychainIntentServiceHandler first + super.handleMessage(message); + + if (message.arg1 == KeychainIntentServiceHandler.MESSAGE_OKAY) { + // get returned data bundle + Bundle returnData = message.getData(); + + int exported = returnData.getInt(KeychainIntentService.RESULT_EXPORT); + String toastMessage; + if (exported == 1) { + toastMessage = mActivity.getString(R.string.key_exported); + } else if (exported > 0) { + toastMessage = mActivity.getString(R.string.keys_exported, exported); + } else { + toastMessage = mActivity.getString(R.string.no_keys_exported); + } + Toast.makeText(mActivity, toastMessage, Toast.LENGTH_SHORT).show(); + + } + } + }; + + // Create a new Messenger for the communication back + Messenger messenger = new Messenger(exportHandler); + intent.putExtra(KeychainIntentService.EXTRA_MESSENGER, messenger); + + // show progress dialog + exportHandler.showProgressDialog(mActivity); + + // start service with intent + mActivity.startService(intent); + } + +} |