187 lines
7.3 KiB
Java
187 lines
7.3 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 android.app.Activity;
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import android.content.Context;
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import android.os.Bundle;
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import androidx.fragment.app.Fragment;
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import androidx.fragment.app.FragmentActivity;
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import android.text.Html;
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import android.view.LayoutInflater;
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import android.view.View;
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import android.view.ViewGroup;
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import android.widget.ArrayAdapter;
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import android.widget.Spinner;
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import android.widget.TextView;
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import org.sufficientlysecure.keychain.R;
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import org.sufficientlysecure.keychain.securitytoken.KeyFormat;
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import org.sufficientlysecure.keychain.ui.CreateKeyActivity.FragAction;
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import org.sufficientlysecure.keychain.util.Choice;
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import java.util.ArrayList;
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import java.util.List;
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public class CreateSecurityTokenAlgorithmFragment extends Fragment {
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public enum SupportedKeyType {
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RSA_2048, RSA_3072, RSA_4096, ECC_P256, ECC_P384, ECC_P521
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}
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private CreateKeyActivity mCreateKeyActivity;
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private View mBackButton;
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private View mNextButton;
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private Spinner mSignKeySpinner;
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private Spinner mDecKeySpinner;
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private Spinner mAuthKeySpinner;
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/**
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* Creates new instance of this fragment
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*/
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public static CreateSecurityTokenAlgorithmFragment newInstance() {
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CreateSecurityTokenAlgorithmFragment frag = new CreateSecurityTokenAlgorithmFragment();
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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(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
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final FragmentActivity context = getActivity();
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View view = inflater.inflate(R.layout.create_yubi_key_algorithm_fragment, container, false);
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mBackButton = view.findViewById(R.id.create_key_back_button);
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mNextButton = view.findViewById(R.id.create_key_next_button);
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mBackButton.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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back();
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}
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});
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mNextButton.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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nextClicked();
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}
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});
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mSignKeySpinner = view.findViewById(R.id.create_key_yubi_key_algorithm_sign);
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mDecKeySpinner = view.findViewById(R.id.create_key_yubi_key_algorithm_dec);
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mAuthKeySpinner = view.findViewById(R.id.create_key_yubi_key_algorithm_auth);
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ArrayList<Choice<SupportedKeyType>> choices = new ArrayList<>();
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choices.add(new Choice<>(SupportedKeyType.RSA_2048, getResources().getString(
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R.string.rsa_2048), getResources().getString(R.string.rsa_2048_description_html)));
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choices.add(new Choice<>(SupportedKeyType.RSA_3072, getResources().getString(
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R.string.rsa_3072), getResources().getString(R.string.rsa_3072_description_html)));
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choices.add(new Choice<>(SupportedKeyType.RSA_4096, getResources().getString(
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R.string.rsa_4096), getResources().getString(R.string.rsa_4096_description_html)));
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final double version = mCreateKeyActivity.tokenInfo.getOpenPgpVersion();
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if (version >= 3.0) {
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choices.add(new Choice<>(SupportedKeyType.ECC_P256, getResources().getString(
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R.string.ecc_p256), getResources().getString(R.string.ecc_p256_description_html)));
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choices.add(new Choice<>(SupportedKeyType.ECC_P384, getResources().getString(
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R.string.ecc_p384), getResources().getString(R.string.ecc_p384_description_html)));
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choices.add(new Choice<>(SupportedKeyType.ECC_P521, getResources().getString(
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R.string.ecc_p521), getResources().getString(R.string.ecc_p521_description_html)));
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}
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TwoLineArrayAdapter adapter = new TwoLineArrayAdapter(context,
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android.R.layout.simple_spinner_item, choices);
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mSignKeySpinner.setAdapter(adapter);
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mDecKeySpinner.setAdapter(adapter);
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mAuthKeySpinner.setAdapter(adapter);
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// make ECC nist256 the default for v3.x
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for (int i = 0; i < choices.size(); ++i) {
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if (version >= 3.0) {
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if (choices.get(i).getId() == SupportedKeyType.ECC_P256) {
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mSignKeySpinner.setSelection(i);
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mDecKeySpinner.setSelection(i);
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mAuthKeySpinner.setSelection(i);
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break;
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}
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} else {
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if (choices.get(i).getId() == SupportedKeyType.RSA_2048) {
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mSignKeySpinner.setSelection(i);
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mDecKeySpinner.setSelection(i);
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mAuthKeySpinner.setSelection(i);
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break;
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}
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}
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}
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return view;
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}
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@Override
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public void onAttach(Activity activity) {
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super.onAttach(activity);
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mCreateKeyActivity = (CreateKeyActivity) getActivity();
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}
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private void back() {
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mCreateKeyActivity.loadFragment(null, FragAction.TO_LEFT);
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}
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private void nextClicked() {
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mCreateKeyActivity.mSecurityTokenSign = KeyFormat.fromCreationKeyType(((Choice<SupportedKeyType>) mSignKeySpinner.getSelectedItem()).getId(), false);
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mCreateKeyActivity.mSecurityTokenDec = KeyFormat.fromCreationKeyType(((Choice<SupportedKeyType>) mDecKeySpinner.getSelectedItem()).getId(), true);
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mCreateKeyActivity.mSecurityTokenAuth = KeyFormat.fromCreationKeyType(((Choice<SupportedKeyType>) mAuthKeySpinner.getSelectedItem()).getId(), false);
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CreateKeyFinalFragment frag = CreateKeyFinalFragment.newInstance();
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mCreateKeyActivity.loadFragment(frag, FragAction.TO_RIGHT);
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}
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private class TwoLineArrayAdapter extends ArrayAdapter<Choice<SupportedKeyType>> {
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TwoLineArrayAdapter(Context context, int resource, List<Choice<SupportedKeyType>> objects) {
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super(context, resource, objects);
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}
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@Override
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public View getDropDownView(int position, View convertView, ViewGroup parent) {
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// inflate view if not given one
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if (convertView == null) {
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convertView = getActivity().getLayoutInflater()
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.inflate(R.layout.two_line_spinner_dropdown_item, parent, false);
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}
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Choice c = this.getItem(position);
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TextView text1 = convertView.findViewById(android.R.id.text1);
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TextView text2 = convertView.findViewById(android.R.id.text2);
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text1.setText(c.getName());
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text2.setText(Html.fromHtml(c.getDescription()));
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return convertView;
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}
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}
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}
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