546 lines
20 KiB
Java
546 lines
20 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.Date;
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import java.util.Iterator;
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import java.util.List;
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import java.util.regex.Pattern;
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import android.app.Activity;
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import android.content.Intent;
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import android.os.Bundle;
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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.view.LayoutInflater;
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import android.view.Menu;
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import android.view.MenuInflater;
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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.Button;
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import android.widget.CheckBox;
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import android.widget.TextView;
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import org.bouncycastle.bcpg.sig.KeyFlags;
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import org.openintents.openpgp.util.OpenPgpUtils;
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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.keyimport.HkpKeyserverAddress;
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import org.sufficientlysecure.keychain.model.SubKey;
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import org.sufficientlysecure.keychain.operations.results.EditKeyResult;
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import org.sufficientlysecure.keychain.operations.results.OperationResult;
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import org.sufficientlysecure.keychain.operations.results.UploadResult;
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import org.sufficientlysecure.keychain.pgp.KeyRing;
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import org.sufficientlysecure.keychain.daos.KeyRepository;
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import org.sufficientlysecure.keychain.daos.KeyRepository.NotFoundException;
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import org.sufficientlysecure.keychain.service.ChangeUnlockParcel;
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import org.sufficientlysecure.keychain.service.SaveKeyringParcel;
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import org.sufficientlysecure.keychain.service.SaveKeyringParcel.SubkeyChange;
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import org.sufficientlysecure.keychain.service.UploadKeyringParcel;
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import org.sufficientlysecure.keychain.service.input.CryptoInputParcel;
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import org.sufficientlysecure.keychain.ui.CreateKeyActivity.FragAction;
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import org.sufficientlysecure.keychain.ui.base.CryptoOperationHelper;
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import org.sufficientlysecure.keychain.util.Passphrase;
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import org.sufficientlysecure.keychain.util.Preferences;
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import timber.log.Timber;
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public class CreateKeyFinalFragment extends Fragment {
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public static final int REQUEST_EDIT_KEY = 0x00008007;
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public static final String STATE_CUSTOM_CONFIGURATION = "state_save_keyring_parcel";
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TextView mNameEdit;
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TextView mEmailEdit;
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CheckBox mUploadCheckbox;
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View mBackButton;
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View mCreateButton;
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View mCustomKeyLayout;
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Button mCustomKeyRevertButton;
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private SaveKeyringParcel mSaveKeyringParcel;
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private boolean isCustomConfiguration;
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private CryptoOperationHelper<UploadKeyringParcel, UploadResult> mUploadOpHelper;
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private CryptoOperationHelper<SaveKeyringParcel, EditKeyResult> mCreateOpHelper;
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private CryptoOperationHelper<SaveKeyringParcel, EditKeyResult> mMoveToCardOpHelper;
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// queued results which may trigger delayed actions
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private EditKeyResult mQueuedSaveKeyResult;
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private OperationResult mQueuedFinishResult;
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private EditKeyResult mQueuedDisplayResult;
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// NOTE: Do not use more complicated pattern like defined in android.util.Patterns.EMAIL_ADDRESS
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// EMAIL_ADDRESS fails for mails with umlauts for example
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private static final Pattern EMAIL_PATTERN = Pattern.compile("^[\\S]+@[\\S]+\\.[a-z]+$");
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public static CreateKeyFinalFragment newInstance() {
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CreateKeyFinalFragment frag = new CreateKeyFinalFragment();
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frag.setRetainInstance(true);
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Bundle args = new Bundle();
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frag.setArguments(args);
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return frag;
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}
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@Override
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public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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View view = inflater.inflate(R.layout.create_key_final_fragment, container, false);
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mNameEdit = view.findViewById(R.id.name);
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mEmailEdit = view.findViewById(R.id.email);
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mUploadCheckbox = view.findViewById(R.id.create_key_upload);
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mBackButton = view.findViewById(R.id.create_key_back_button);
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mCreateButton = view.findViewById(R.id.create_key_next_button);
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mCustomKeyLayout = view.findViewById(R.id.custom_key_layout);
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mCustomKeyRevertButton = view.findViewById(R.id.revert_key_configuration);
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CreateKeyActivity createKeyActivity = (CreateKeyActivity) getActivity();
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// set values
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if (createKeyActivity.mName != null) {
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mNameEdit.setText(createKeyActivity.mName);
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} else {
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mNameEdit.setText(getString(R.string.user_id_no_name));
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}
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if (createKeyActivity.mAdditionalEmails != null && createKeyActivity.mAdditionalEmails.size() > 0) {
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StringBuilder emailText = new StringBuilder(createKeyActivity.mEmail).append(", ");
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Iterator<?> it = createKeyActivity.mAdditionalEmails.iterator();
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while (it.hasNext()) {
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Object next = it.next();
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emailText.append(next);
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if (it.hasNext()) {
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emailText.append(", ");
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}
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}
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mEmailEdit.setText(emailText);
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} else {
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mEmailEdit.setText(createKeyActivity.mEmail);
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}
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checkEmailValidity();
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mCreateButton.setOnClickListener(v -> createKey());
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mCustomKeyRevertButton.setOnClickListener(v -> keyConfigRevertToDefault());
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mBackButton.setOnClickListener(v -> {
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CreateKeyActivity createKeyActivity1 = (CreateKeyActivity) getActivity();
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if (createKeyActivity1 != null) {
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createKeyActivity1.loadFragment(null, FragAction.TO_LEFT);
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}
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});
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mUploadCheckbox.setChecked(false);
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return view;
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}
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@Override
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public void onPrepareOptionsMenu(Menu menu) {
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CreateKeyActivity createKeyActivity = (CreateKeyActivity) getActivity();
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MenuItem editItem = menu.findItem(R.id.menu_create_key_edit);
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editItem.setEnabled(!createKeyActivity.mCreateSecurityToken);
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super.onPrepareOptionsMenu(menu);
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}
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@Override
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public void onCreateOptionsMenu(Menu menu, MenuInflater inflater) {
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inflater.inflate(R.menu.create_key_final, menu);
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super.onCreateOptionsMenu(menu, inflater);
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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_create_key_edit:
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Intent edit = new Intent(getActivity(), EditKeyActivity.class);
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edit.putExtra(EditKeyActivity.EXTRA_SAVE_KEYRING_PARCEL, mSaveKeyringParcel);
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startActivityForResult(edit, REQUEST_EDIT_KEY);
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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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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent data) {
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if (mCreateOpHelper != null) {
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mCreateOpHelper.handleActivityResult(requestCode, resultCode, data);
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}
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if (mMoveToCardOpHelper != null) {
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mMoveToCardOpHelper.handleActivityResult(requestCode, resultCode, data);
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}
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if (mUploadOpHelper != null) {
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mUploadOpHelper.handleActivityResult(requestCode, resultCode, data);
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}
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switch (requestCode) {
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case REQUEST_EDIT_KEY: {
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if (resultCode == Activity.RESULT_OK) {
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SaveKeyringParcel customKeyConfiguration =
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data.getParcelableExtra(EditKeyActivity.EXTRA_SAVE_KEYRING_PARCEL);
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keyConfigUseCustom(customKeyConfiguration);
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}
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break;
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}
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default:
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super.onActivityResult(requestCode, resultCode, data);
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}
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}
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public void keyConfigUseCustom(SaveKeyringParcel customKeyConfiguration) {
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mSaveKeyringParcel = customKeyConfiguration;
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mCustomKeyLayout.setVisibility(View.VISIBLE);
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isCustomConfiguration = true;
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}
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public void keyConfigRevertToDefault() {
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Activity activity = getActivity();
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if (activity == null) {
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return;
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}
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mSaveKeyringParcel = createDefaultSaveKeyringParcel((CreateKeyActivity) activity);
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mCustomKeyLayout.setVisibility(View.GONE);
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isCustomConfiguration = false;
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}
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@Override
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public void onSaveInstanceState(@NonNull Bundle outState) {
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super.onSaveInstanceState(outState);
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if (isCustomConfiguration) {
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outState.putParcelable(STATE_CUSTOM_CONFIGURATION, mSaveKeyringParcel);
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}
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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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// We have a menu item to show in action bar.
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setHasOptionsMenu(true);
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if (savedInstanceState != null && savedInstanceState.containsKey(STATE_CUSTOM_CONFIGURATION)) {
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keyConfigUseCustom(savedInstanceState.getParcelable(STATE_CUSTOM_CONFIGURATION));
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} else {
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keyConfigRevertToDefault();
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}
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// handle queued actions
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if (mQueuedFinishResult != null) {
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finishWithResult(mQueuedFinishResult);
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return;
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}
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if (mQueuedDisplayResult != null) {
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try {
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displayResult(mQueuedDisplayResult);
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} finally {
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// clear after operation, note that this may drop the operation if it didn't
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// work when called from here!
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mQueuedDisplayResult = null;
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}
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}
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if (mQueuedSaveKeyResult != null) {
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try {
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uploadKey(mQueuedSaveKeyResult);
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} finally {
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// see above
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mQueuedSaveKeyResult = null;
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}
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}
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}
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private static SaveKeyringParcel createDefaultSaveKeyringParcel(CreateKeyActivity createKeyActivity) {
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SaveKeyringParcel.Builder builder = SaveKeyringParcel.buildNewKeyringParcel();
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if (createKeyActivity.mCreateSecurityToken) {
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if (createKeyActivity.mSecurityTokenSign == null) {
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createKeyActivity.mSecurityTokenSign = Constants.SECURITY_TOKEN_V2_SIGN;
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createKeyActivity.mSecurityTokenDec = Constants.SECURITY_TOKEN_V2_DEC;
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createKeyActivity.mSecurityTokenAuth = Constants.SECURITY_TOKEN_V2_AUTH;
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}
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createKeyActivity.mSecurityTokenSign.addToSaveKeyringParcel(
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builder, KeyFlags.SIGN_DATA | KeyFlags.CERTIFY_OTHER);
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createKeyActivity.mSecurityTokenDec.addToSaveKeyringParcel(
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builder, KeyFlags.ENCRYPT_COMMS | KeyFlags.ENCRYPT_STORAGE);
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createKeyActivity.mSecurityTokenAuth.addToSaveKeyringParcel(builder, KeyFlags.AUTHENTICATION);
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// use empty passphrase
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builder.setNewUnlock(ChangeUnlockParcel.createUnLockParcelForNewKey(new Passphrase()));
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} else {
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Constants.addDefaultSubkeys(builder);
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if (createKeyActivity.mPassphrase != null) {
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builder.setNewUnlock(
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ChangeUnlockParcel.createUnLockParcelForNewKey(createKeyActivity.mPassphrase));
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} else {
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builder.setNewUnlock(null);
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}
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}
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String userId = KeyRing.createUserId(
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new OpenPgpUtils.UserId(createKeyActivity.mName, createKeyActivity.mEmail, null)
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);
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builder.addUserId(userId);
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builder.setChangePrimaryUserId(userId);
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if (createKeyActivity.mAdditionalEmails != null
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&& createKeyActivity.mAdditionalEmails.size() > 0) {
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for (String email : createKeyActivity.mAdditionalEmails) {
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String thisUserId = KeyRing.createUserId(
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new OpenPgpUtils.UserId(createKeyActivity.mName, email, null)
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);
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builder.addUserId(thisUserId);
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}
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}
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return builder.build();
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}
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private void checkEmailValidity() {
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CreateKeyActivity createKeyActivity = (CreateKeyActivity) getActivity();
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boolean emailsValid = true;
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if (!EMAIL_PATTERN.matcher(createKeyActivity.mEmail).matches()) {
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emailsValid = false;
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}
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if (createKeyActivity.mAdditionalEmails != null && createKeyActivity.mAdditionalEmails.size() > 0) {
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for (String mAdditionalEmail : createKeyActivity.mAdditionalEmails) {
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if (!EMAIL_PATTERN.matcher(mAdditionalEmail).matches()) {
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emailsValid = false;
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}
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}
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}
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if (!emailsValid) {
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mEmailEdit.setError(getString(R.string.create_key_final_email_valid_warning));
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mEmailEdit.setOnClickListener(v -> {
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mNameEdit.requestFocus(); // Workaround to remove focus from email
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});
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}
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}
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private void createKey() {
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CreateKeyActivity activity = (CreateKeyActivity) getActivity();
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if (activity == null) {
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// this is a ui-triggered action, nvm if it fails while detached!
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return;
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}
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final boolean createSecurityToken = activity.mCreateSecurityToken;
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CryptoOperationHelper.Callback<SaveKeyringParcel, EditKeyResult> createKeyCallback
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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 mSaveKeyringParcel;
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}
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@Override
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public void onCryptoOperationSuccess(EditKeyResult result) {
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if (createSecurityToken) {
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moveToCard(result);
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return;
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}
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if (result.mMasterKeyId != null && mUploadCheckbox.isChecked()) {
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// result will be displayed after upload
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uploadKey(result);
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return;
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}
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finishWithResult(result);
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}
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@Override
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public void onCryptoOperationCancelled() {
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}
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@Override
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public void onCryptoOperationError(EditKeyResult result) {
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displayResult(result);
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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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mCreateOpHelper = new CryptoOperationHelper<>(1, this, createKeyCallback, R.string.progress_building_key);
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mCreateOpHelper.cryptoOperation();
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}
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private void displayResult(EditKeyResult result) {
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Activity activity = getActivity();
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if (activity == null) {
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mQueuedDisplayResult = result;
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return;
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}
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result.createNotify(activity).show();
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}
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private void moveToCard(final EditKeyResult saveKeyResult) {
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CreateKeyActivity activity = (CreateKeyActivity) getActivity();
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KeyRepository keyRepository = KeyRepository.create(getContext());
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SaveKeyringParcel.Builder builder;
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try {
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byte[] fingerprint = keyRepository.getFingerprintByKeyId(saveKeyResult.mMasterKeyId);
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builder = SaveKeyringParcel.buildChangeKeyringParcel(saveKeyResult.mMasterKeyId, fingerprint);
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} catch (NotFoundException e) {
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Timber.e("Key that should be moved to Security Token not found in database!");
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return;
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}
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List<SubKey> subKeys = keyRepository.getSubKeysByMasterKeyId(saveKeyResult.mMasterKeyId);
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for (SubKey subKey : subKeys) {
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builder.addOrReplaceSubkeyChange(SubkeyChange.createMoveToSecurityTokenChange(subKey.key_id()));
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}
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// define new PIN and Admin PIN for the card
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builder.setSecurityTokenPin(activity.mSecurityTokenPin);
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builder.setSecurityTokenAdminPin(activity.mSecurityTokenAdminPin);
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final SaveKeyringParcel saveKeyringParcel = builder.build();
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CryptoOperationHelper.Callback<SaveKeyringParcel, EditKeyResult> callback
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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 saveKeyringParcel;
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}
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@Override
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public void onCryptoOperationSuccess(EditKeyResult result) {
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handleResult(result);
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}
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@Override
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public void onCryptoOperationCancelled() {
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}
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@Override
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public void onCryptoOperationError(EditKeyResult result) {
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handleResult(result);
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}
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public void handleResult(EditKeyResult result) {
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// merge logs of createKey with moveToCard
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saveKeyResult.getLog().add(result, 0);
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if (result.mMasterKeyId != null && mUploadCheckbox.isChecked()) {
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// result will be displayed after upload
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uploadKey(saveKeyResult);
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return;
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}
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finishWithResult(saveKeyResult);
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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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mMoveToCardOpHelper = new CryptoOperationHelper<>(2, this, callback, R.string.progress_modify);
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mMoveToCardOpHelper.cryptoOperation(CryptoInputParcel.createCryptoInputParcel(new Date()));
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}
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private void uploadKey(final EditKeyResult saveKeyResult) {
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Activity activity = getActivity();
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// if the activity is gone at this point, there is nothing we can do!
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if (activity == null) {
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mQueuedSaveKeyResult = saveKeyResult;
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return;
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}
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// set data uri as path to keyring
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final long masterKeyId = saveKeyResult.mMasterKeyId;
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// upload to favorite keyserver
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final HkpKeyserverAddress keyserver = Preferences.getPreferences(activity).getPreferredKeyserver();
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CryptoOperationHelper.Callback<UploadKeyringParcel, UploadResult> callback
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= new CryptoOperationHelper.Callback<UploadKeyringParcel, UploadResult>() {
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@Override
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public UploadKeyringParcel createOperationInput() {
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return UploadKeyringParcel.createWithKeyId(keyserver, masterKeyId);
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}
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@Override
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public void onCryptoOperationSuccess(UploadResult result) {
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handleResult(result);
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}
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@Override
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public void onCryptoOperationCancelled() {
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}
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@Override
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public void onCryptoOperationError(UploadResult result) {
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handleResult(result);
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}
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public void handleResult(UploadResult result) {
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saveKeyResult.getLog().add(result, 0);
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finishWithResult(saveKeyResult);
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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;
|
|
}
|
|
};
|
|
|
|
mUploadOpHelper = new CryptoOperationHelper<>(3, this, callback, R.string.progress_uploading);
|
|
mUploadOpHelper.cryptoOperation();
|
|
}
|
|
|
|
public void finishWithResult(OperationResult result) {
|
|
Activity activity = getActivity();
|
|
if (activity == null) {
|
|
mQueuedFinishResult = result;
|
|
return;
|
|
}
|
|
|
|
Intent data = new Intent();
|
|
data.putExtra(OperationResult.EXTRA_RESULT, result);
|
|
activity.setResult(Activity.RESULT_OK, data);
|
|
activity.finish();
|
|
}
|
|
|
|
}
|