323 lines
12 KiB
Java
323 lines
12 KiB
Java
/*
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* Copyright (C) 2017 Schürmann & Breitmoser GbR
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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;
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import java.util.ArrayList;
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import java.util.List;
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import android.arch.lifecycle.ViewModel;
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import android.arch.lifecycle.ViewModelProviders;
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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.support.annotation.NonNull;
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import android.support.v4.app.Fragment;
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import android.support.v4.app.FragmentActivity;
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import android.support.v7.widget.LinearLayoutManager;
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import android.support.v7.widget.RecyclerView;
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import android.view.ActionMode;
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import android.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuItem;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ViewAnimator;
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import eu.davidea.flexibleadapter.FlexibleAdapter;
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import eu.davidea.flexibleadapter.FlexibleAdapter.OnItemClickListener;
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import eu.davidea.flexibleadapter.items.IFlexible;
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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.model.SubKey;
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import org.sufficientlysecure.keychain.model.SubKey.UnifiedKeyInfo;
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import org.sufficientlysecure.keychain.operations.results.EditKeyResult;
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import org.sufficientlysecure.keychain.pgp.CanonicalizedSecretKey.SecretKeyType;
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import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
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import org.sufficientlysecure.keychain.service.SaveKeyringParcel.Builder;
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import org.sufficientlysecure.keychain.service.SaveKeyringParcel.SubkeyChange;
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import org.sufficientlysecure.keychain.ui.ViewKeyAdvActivity.ViewKeyAdvViewModel;
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import org.sufficientlysecure.keychain.ui.adapter.SubkeyAddedItem;
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import org.sufficientlysecure.keychain.ui.base.CryptoOperationHelper;
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import org.sufficientlysecure.keychain.ui.dialog.AddSubkeyDialogFragment;
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import org.sufficientlysecure.keychain.ui.dialog.EditSubkeyDialogFragment;
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import org.sufficientlysecure.keychain.ui.dialog.EditSubkeyExpiryDialogFragment;
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import org.sufficientlysecure.keychain.ui.util.recyclerview.DividerItemDecoration;
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public class ViewKeyAdvSubkeysFragment extends Fragment {
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public static final int SUBKEY_TYPE_DETAIL = 1;
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public static final int SUBKEY_TYPE_ADDED = 2;
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private RecyclerView subkeysList;
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private ViewAnimator subkeyAddFabLayout;
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private FlexibleAdapter<IFlexible> subkeysAdapter;
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private CryptoOperationHelper<SaveKeyringParcel, EditKeyResult> mEditKeyHelper;
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private SubkeyEditViewModel subkeyEditViewModel;
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@Override
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public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup viewGroup, Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.view_key_adv_subkeys_fragment, viewGroup, false);
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subkeysList = view.findViewById(R.id.view_key_subkeys);
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subkeysList.setLayoutManager(new LinearLayoutManager(requireContext()));
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subkeysList.addItemDecoration(new DividerItemDecoration(requireContext(), LinearLayoutManager.VERTICAL, false));
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subkeyAddFabLayout = view.findViewById(R.id.view_key_subkey_fab_layout);
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view.findViewById(R.id.view_key_subkey_fab).setOnClickListener(v -> addSubkey());
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setHasOptionsMenu(true);
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return view;
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}
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@Override
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public void onActivityCreated(Bundle savedInstanceState) {
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super.onActivityCreated(savedInstanceState);
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subkeysAdapter = new FlexibleAdapter<>(null, null, true);
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subkeysAdapter.addListener((OnItemClickListener) (view, position) -> editSubkey(position));
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subkeysList.setAdapter(subkeysAdapter);
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ViewKeyAdvViewModel viewModel = ViewModelProviders.of(requireActivity()).get(ViewKeyAdvViewModel.class);
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viewModel.getUnifiedKeyInfoLiveData(requireContext()).observe(this, this::onLoadUnifiedKeyId);
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viewModel.getSubkeyLiveData(requireContext()).observe(this, this::onLoadSubKeys);
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subkeyEditViewModel = ViewModelProviders.of(this).get(SubkeyEditViewModel.class);
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}
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public static class SubkeyEditViewModel extends ViewModel {
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public Builder skpBuilder;
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UnifiedKeyInfo unifiedKeyInfo;
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}
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public void onLoadUnifiedKeyId(UnifiedKeyInfo unifiedKeyInfo) {
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subkeyEditViewModel.unifiedKeyInfo = unifiedKeyInfo;
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}
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private void onLoadSubKeys(List<SubKey> subKeys) {
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ArrayList<IFlexible> subKeyItems = new ArrayList<>(subKeys.size());
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for (SubKey subKey : subKeys) {
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subKeyItems.add(new SubKeyItem(subKey, subkeyEditViewModel));
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}
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subkeysAdapter.updateDataSet(subKeyItems);
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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if (mEditKeyHelper != null) {
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mEditKeyHelper.handleActivityResult(requestCode, resultCode, data);
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}
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super.onActivityResult(requestCode, resultCode, data);
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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switch (item.getItemId()) {
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case R.id.menu_action_mode_edit:
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enterEditMode();
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return true;
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default:
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return super.onOptionsItemSelected(item);
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}
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}
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public void enterEditMode() {
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FragmentActivity activity = getActivity();
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if (activity == null) {
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return;
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}
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activity.startActionMode(new ActionMode.Callback() {
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@Override
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public boolean onCreateActionMode(ActionMode mode, Menu menu) {
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subkeyAddFabLayout.setDisplayedChild(1);
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subkeyEditViewModel.skpBuilder = SaveKeyringParcel.buildChangeKeyringParcel(
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subkeyEditViewModel.unifiedKeyInfo.master_key_id(), subkeyEditViewModel.unifiedKeyInfo.fingerprint());
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subkeysAdapter.notifyDataSetChanged();
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mode.setTitle(R.string.title_edit_subkeys);
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mode.getMenuInflater().inflate(R.menu.action_edit_uids, menu);
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return true;
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}
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@Override
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public boolean onPrepareActionMode(ActionMode mode, Menu menu) {
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return false;
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}
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@Override
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public boolean onActionItemClicked(ActionMode mode, MenuItem item) {
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editKey(mode);
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return true;
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}
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@Override
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public void onDestroyActionMode(ActionMode mode) {
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subkeyEditViewModel.skpBuilder = null;
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subkeysAdapter.removeItemsOfType(2);
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subkeyAddFabLayout.setDisplayedChild(0);
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subkeysAdapter.notifyDataSetChanged();
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}
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});
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}
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private void addSubkey() {
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boolean willBeMasterKey = subkeysAdapter.getItemCount() == 0;
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AddSubkeyDialogFragment addSubkeyDialogFragment = AddSubkeyDialogFragment.newInstance(willBeMasterKey);
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addSubkeyDialogFragment.setOnAlgorithmSelectedListener(newSubkey -> {
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subkeyEditViewModel.skpBuilder.addSubkeyAdd(newSubkey);
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subkeysAdapter.addItem(new SubkeyAddedItem(newSubkey, subkeyEditViewModel));
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});
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addSubkeyDialogFragment.show(requireFragmentManager(), "addSubkeyDialog");
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}
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private boolean editSubkey(final int position) {
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if (subkeyEditViewModel.skpBuilder == null) {
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return false;
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}
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IFlexible item = subkeysAdapter.getItem(position);
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if (item instanceof SubKeyItem) {
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editSubkey(position, ((SubKeyItem) item));
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}
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return false;
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}
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private void editSubkey(int position, SubKeyItem item) {
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if (subkeyEditViewModel.skpBuilder.hasModificationsForSubkey(item.subkeyInfo.key_id())) {
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return;
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}
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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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switch (message.what) {
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case EditSubkeyDialogFragment.MESSAGE_CHANGE_EXPIRY:
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editSubkeyExpiry(item);
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break;
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case EditSubkeyDialogFragment.MESSAGE_REVOKE:
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SubKey subKey = item.subkeyInfo;
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subkeyEditViewModel.skpBuilder.addRevokeSubkey(subKey.key_id());
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break;
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case EditSubkeyDialogFragment.MESSAGE_STRIP: {
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editSubkeyToggleStrip(item);
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break;
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}
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}
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subkeysAdapter.notifyItemChanged(position);
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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(() -> {
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EditSubkeyDialogFragment dialogFragment = EditSubkeyDialogFragment.newInstance(messenger);
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dialogFragment.show(requireFragmentManager(), "editSubkeyDialog");
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});
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}
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private void editSubkeyToggleStrip(SubKeyItem item) {
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SubKey subKey = item.subkeyInfo;
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if (subKey.has_secret() == SecretKeyType.GNU_DUMMY) {
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// Key is already stripped; this is a no-op.
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return;
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}
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subkeyEditViewModel.skpBuilder.addOrReplaceSubkeyChange(SubkeyChange.createStripChange(subKey.key_id()));
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}
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private void editSubkeyExpiry(SubKeyItem item) {
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SubKey subKey = item.subkeyInfo;
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final long keyId = subKey.key_id();
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final Long creationDate = subKey.creation();
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final Long expiryDate = subKey.expiry();
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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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switch (message.what) {
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case EditSubkeyExpiryDialogFragment.MESSAGE_NEW_EXPIRY:
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Long expiry = (Long) message.getData().getSerializable(
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EditSubkeyExpiryDialogFragment.MESSAGE_DATA_EXPIRY);
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subkeyEditViewModel.skpBuilder.addOrReplaceSubkeyChange(
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SubkeyChange.createFlagsOrExpiryChange(keyId, null, expiry));
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break;
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}
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subkeysAdapter.notifyDataSetChanged();
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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(() -> {
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EditSubkeyExpiryDialogFragment dialogFragment =
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EditSubkeyExpiryDialogFragment.newInstance(messenger, creationDate, expiryDate);
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dialogFragment.show(requireFragmentManager(), "editSubkeyExpiryDialog");
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});
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}
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private void editKey(final ActionMode mode) {
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CryptoOperationHelper.Callback<SaveKeyringParcel, EditKeyResult> editKeyCallback
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= new CryptoOperationHelper.Callback<SaveKeyringParcel, EditKeyResult>() {
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@Override
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public SaveKeyringParcel createOperationInput() {
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return subkeyEditViewModel.skpBuilder.build();
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}
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@Override
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public void onCryptoOperationSuccess(EditKeyResult result) {
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mode.finish();
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result.createNotify(getActivity()).show();
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}
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@Override
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public void onCryptoOperationCancelled() {
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mode.finish();
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}
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@Override
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public void onCryptoOperationError(EditKeyResult result) {
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mode.finish();
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result.createNotify(getActivity()).show();
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}
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@Override
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public boolean onCryptoSetProgress(String msg, int progress, int max) {
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return false;
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}
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};
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mEditKeyHelper = new CryptoOperationHelper<>(1, this, editKeyCallback, R.string.progress_saving);
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mEditKeyHelper.cryptoOperation();
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}
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}
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