208 lines
8.3 KiB
Java
208 lines
8.3 KiB
Java
/*
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* Copyright (C) 2012-2013 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.ui.dialog;
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import android.app.AlertDialog;
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import android.app.Dialog;
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import android.content.DialogInterface;
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import android.database.Cursor;
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import android.net.Uri;
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import android.os.Bundle;
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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.support.v4.app.DialogFragment;
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import android.support.v4.app.FragmentActivity;
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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.provider.KeychainContract;
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import org.sufficientlysecure.keychain.provider.KeychainDatabase;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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import org.sufficientlysecure.keychain.util.Log;
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import java.util.ArrayList;
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public class DeleteKeyDialogFragment extends DialogFragment {
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private static final String ARG_MESSENGER = "messenger";
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private static final String ARG_DELETE_KEY_RING_ROW_IDS = "delete_file";
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private static final String ARG_KEY_TYPE = "key_type";
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public static final int MESSAGE_OKAY = 1;
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public static final String MESSAGE_NOT_DELETED = "not_deleted";
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private Messenger mMessenger;
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/**
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* Creates new instance of this delete file dialog fragment
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*/
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public static DeleteKeyDialogFragment newInstance(Messenger messenger, long[] keyRingRowIds,
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int keyType) {
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DeleteKeyDialogFragment frag = new DeleteKeyDialogFragment();
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Bundle args = new Bundle();
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args.putParcelable(ARG_MESSENGER, messenger);
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args.putLongArray(ARG_DELETE_KEY_RING_ROW_IDS, keyRingRowIds);
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args.putInt(ARG_KEY_TYPE, keyType);
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frag.setArguments(args);
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return frag;
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}
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/**
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* Creates dialog
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*/
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@Override
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public Dialog onCreateDialog(Bundle savedInstanceState) {
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final FragmentActivity activity = getActivity();
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mMessenger = getArguments().getParcelable(ARG_MESSENGER);
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final long[] keyRingRowIds = getArguments().getLongArray(ARG_DELETE_KEY_RING_ROW_IDS);
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final int keyType = getArguments().getInt(ARG_KEY_TYPE);
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AlertDialog.Builder builder = new AlertDialog.Builder(activity);
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builder.setTitle(R.string.warning);
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if (keyRingRowIds.length == 1) {
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Uri dataUri;
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if (keyType == Id.type.public_key) {
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dataUri = KeychainContract.KeyRings.buildPublicKeyRingsUri(String.valueOf(keyRingRowIds[0]));
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} else {
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dataUri = KeychainContract.KeyRings.buildSecretKeyRingsUri(String.valueOf(keyRingRowIds[0]));
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}
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String userId = ProviderHelper.getUserId(activity, dataUri);
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builder.setMessage(getString(
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keyType == Id.type.public_key ? R.string.key_deletion_confirmation
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: R.string.secret_key_deletion_confirmation, userId));
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} else {
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builder.setMessage(R.string.key_deletion_confirmation_multi);
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}
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builder.setIcon(R.drawable.ic_dialog_alert_holo_light);
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builder.setPositiveButton(R.string.btn_delete, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int id) {
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ArrayList<String> notDeleted = new ArrayList<String>();
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if (keyType == Id.type.public_key) {
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Uri queryUri = KeychainContract.KeyRings.buildPublicKeyRingsUri();
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String[] projection = new String[]{
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KeychainContract.KeyRings._ID, // 0
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KeychainContract.KeyRings.MASTER_KEY_ID, // 1
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KeychainContract.UserIds.USER_ID // 2
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};
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// make selection with all entries where _ID is one of the given row ids
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String selection = KeychainDatabase.Tables.KEY_RINGS + "." +
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KeychainContract.KeyRings._ID + " IN(";
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String selectionIDs = "";
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for (int i = 0; i < keyRingRowIds.length; i++) {
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selectionIDs += "'" + String.valueOf(keyRingRowIds[i]) + "'";
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if (i+1 < keyRingRowIds.length)
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selectionIDs += ",";
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}
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selection += selectionIDs + ")";
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Cursor cursor = activity.getContentResolver().query(queryUri, projection,
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selection, null, null);
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long rowId;
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long masterKeyId;
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String userId;
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try {
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while (cursor != null && cursor.moveToNext()) {
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rowId = cursor.getLong(0);
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masterKeyId = cursor.getLong(1);
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userId = cursor.getString(2);
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Log.d(Constants.TAG, "rowId: " + rowId + ", masterKeyId: " + masterKeyId
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+ ", userId: " + userId);
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// check if a corresponding secret key exists...
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Cursor secretCursor = activity.getContentResolver().query(
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KeychainContract.KeyRings.buildSecretKeyRingsByMasterKeyIdUri(String.valueOf(masterKeyId)),
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null, null, null, null
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);
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if (secretCursor != null && secretCursor.getCount() > 0) {
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notDeleted.add(userId);
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} else {
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// it is okay to delete this key, no secret key found!
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ProviderHelper.deletePublicKeyRing(activity, rowId);
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}
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if (secretCursor != null) {
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secretCursor.close();
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}
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}
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} finally {
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if (cursor != null) {
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cursor.close();
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}
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}
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} else {
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for (long keyRowId : keyRingRowIds) {
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ProviderHelper.deleteSecretKeyRing(activity, keyRowId);
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}
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}
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dismiss();
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if (notDeleted.size() > 0) {
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Bundle data = new Bundle();
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data.putStringArrayList(MESSAGE_NOT_DELETED, notDeleted);
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sendMessageToHandler(MESSAGE_OKAY, data);
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} else {
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sendMessageToHandler(MESSAGE_OKAY, null);
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}
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}
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});
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builder.setNegativeButton(android.R.string.cancel, new DialogInterface.OnClickListener() {
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@Override
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public void onClick(DialogInterface dialog, int id) {
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dismiss();
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}
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});
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return builder.create();
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}
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/**
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* Send message back to handler which is initialized in a activity
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*
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* @param what Message integer you want to send
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*/
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private void sendMessageToHandler(Integer what, Bundle data) {
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Message msg = Message.obtain();
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msg.what = what;
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if (data != null) {
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msg.setData(data);
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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.w(Constants.TAG, "Exception sending message, Is handler present?", e);
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} catch (NullPointerException e) {
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Log.w(Constants.TAG, "Messenger is null!", e);
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}
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}
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} |