239 lines
8.4 KiB
Java
239 lines
8.4 KiB
Java
/*
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* Copyright (C) 2015 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;
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import android.content.Intent;
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import android.database.Cursor;
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import android.graphics.Typeface;
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import android.net.Uri;
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import android.os.Bundle;
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import android.support.v4.app.LoaderManager;
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import android.support.v4.content.CursorLoader;
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import android.support.v4.content.Loader;
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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.TextView;
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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.pgp.exception.PgpKeyNotFoundException;
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import org.sufficientlysecure.keychain.experimental.SentenceConfirm;
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import org.sufficientlysecure.keychain.provider.KeychainContract.KeyRings;
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import org.sufficientlysecure.keychain.provider.ProviderHelper;
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import org.sufficientlysecure.keychain.ui.util.KeyFormattingUtils;
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import org.sufficientlysecure.keychain.util.Log;
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import java.io.IOException;
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public class CertifyFingerprintFragment extends LoaderFragment implements
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LoaderManager.LoaderCallbacks<Cursor> {
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static final int REQUEST_CERTIFY = 1;
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public static final String ARG_DATA_URI = "uri";
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public static final String ARG_ENABLE_PHRASES_CONFIRM = "enable_word_confirm";
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private TextView mActionYes;
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private TextView mFingerprint;
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private TextView mIntro;
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private TextView mHeader;
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private static final int LOADER_ID_UNIFIED = 0;
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private Uri mDataUri;
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private boolean mEnablePhrasesConfirm;
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/**
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* Creates new instance of this fragment
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*/
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public static CertifyFingerprintFragment newInstance(Uri dataUri, boolean enablePhrasesConfirm) {
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CertifyFingerprintFragment frag = new CertifyFingerprintFragment();
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Bundle args = new Bundle();
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args.putParcelable(ARG_DATA_URI, dataUri);
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args.putBoolean(ARG_ENABLE_PHRASES_CONFIRM, enablePhrasesConfirm);
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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 superContainer, Bundle savedInstanceState) {
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View root = super.onCreateView(inflater, superContainer, savedInstanceState);
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View view = inflater.inflate(R.layout.certify_fingerprint_fragment, getContainer());
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TextView actionNo = (TextView) view.findViewById(R.id.certify_fingerprint_button_no);
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mActionYes = (TextView) view.findViewById(R.id.certify_fingerprint_button_yes);
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mFingerprint = (TextView) view.findViewById(R.id.certify_fingerprint_fingerprint);
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mIntro = (TextView) view.findViewById(R.id.certify_fingerprint_intro);
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mHeader = (TextView) view.findViewById(R.id.certify_fingerprint_fingerprint_header);
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actionNo.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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getActivity().finish();
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}
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});
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mActionYes.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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certify(mDataUri);
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}
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});
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return root;
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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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Uri dataUri = getArguments().getParcelable(ARG_DATA_URI);
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if (dataUri == null) {
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Log.e(Constants.TAG, "Data missing. Should be Uri of key!");
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getActivity().finish();
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return;
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}
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mEnablePhrasesConfirm = getArguments().getBoolean(ARG_ENABLE_PHRASES_CONFIRM);
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if (mEnablePhrasesConfirm) {
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mIntro.setText(R.string.certify_fingerprint_text_phrases);
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mHeader.setText(R.string.section_phrases);
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mActionYes.setText(R.string.btn_match_phrases);
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}
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loadData(dataUri);
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}
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private void loadData(Uri dataUri) {
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mDataUri = dataUri;
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Log.i(Constants.TAG, "mDataUri: " + mDataUri.toString());
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// Prepare the loaders. Either re-connect with an existing ones,
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// or start new ones.
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getLoaderManager().initLoader(LOADER_ID_UNIFIED, null, this);
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}
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static final String[] UNIFIED_PROJECTION = new String[]{
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KeyRings._ID, KeyRings.FINGERPRINT,
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};
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static final int INDEX_UNIFIED_FINGERPRINT = 1;
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public Loader<Cursor> onCreateLoader(int id, Bundle args) {
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setContentShown(false);
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switch (id) {
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case LOADER_ID_UNIFIED: {
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Uri baseUri = KeyRings.buildUnifiedKeyRingUri(mDataUri);
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return new CursorLoader(getActivity(), baseUri, UNIFIED_PROJECTION, null, null, null);
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}
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default:
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return null;
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}
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}
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public void onLoadFinished(Loader<Cursor> loader, Cursor data) {
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/* TODO better error handling? May cause problems when a key is deleted,
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* because the notification triggers faster than the activity closes.
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*/
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// Avoid NullPointerExceptions...
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if (data.getCount() == 0) {
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return;
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}
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// Swap the new cursor in. (The framework will take care of closing the
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// old cursor once we return.)
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switch (loader.getId()) {
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case LOADER_ID_UNIFIED: {
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if (data.moveToFirst()) {
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byte[] fingerprintBlob = data.getBlob(INDEX_UNIFIED_FINGERPRINT);
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if (mEnablePhrasesConfirm) {
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displayWordConfirm(fingerprintBlob);
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} else {
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displayHexConfirm(fingerprintBlob);
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}
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break;
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}
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}
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}
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setContentShown(true);
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}
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private void displayHexConfirm(byte[] fingerprintBlob) {
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String fingerprint = KeyFormattingUtils.convertFingerprintToHex(fingerprintBlob);
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mFingerprint.setText(KeyFormattingUtils.colorizeFingerprint(fingerprint));
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}
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private void displayWordConfirm(byte[] fingerprintBlob) {
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// String fingerprint = ExperimentalWordConfirm.getWords(getActivity(), fingerprintBlob);
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String fingerprint;
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try {
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fingerprint = new SentenceConfirm(getActivity()).fromBytes(fingerprintBlob, 20);
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} catch (IOException e) {
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fingerprint = "-";
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Log.e(Constants.TAG, "Problem when creating sentence!", e);
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}
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mFingerprint.setTextSize(18);
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mFingerprint.setTypeface(Typeface.DEFAULT, Typeface.BOLD);
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mFingerprint.setText(fingerprint);
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}
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/**
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* This is called when the last Cursor provided to onLoadFinished() above is about to be closed.
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* We need to make sure we are no longer using it.
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*/
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public void onLoaderReset(Loader<Cursor> loader) {
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}
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private void certify(Uri dataUri) {
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long keyId = 0;
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try {
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keyId = new ProviderHelper(getActivity())
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.getCachedPublicKeyRing(dataUri)
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.extractOrGetMasterKeyId();
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} catch (PgpKeyNotFoundException e) {
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Log.e(Constants.TAG, "key not found!", e);
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}
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Intent certifyIntent = new Intent(getActivity(), CertifyKeyActivity.class);
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certifyIntent.putExtras(getActivity().getIntent());
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certifyIntent.putExtra(CertifyKeyActivity.EXTRA_KEY_IDS, new long[]{keyId});
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startActivityForResult(certifyIntent, REQUEST_CERTIFY);
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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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// always just pass this one through
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if (requestCode == REQUEST_CERTIFY) {
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getActivity().setResult(resultCode, data);
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getActivity().finish();
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return;
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}
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super.onActivityResult(requestCode, resultCode, data);
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}
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}
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