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d902c12941
1) Break the core cryptography functions out into libaxolotol. 2) The objective for this code is a Java library that isn't dependent on any Android functions. However, while the code has been separated from any Android functionality, it is still an 'android library project' because of the JNI.
122 lines
3.8 KiB
Java
122 lines
3.8 KiB
Java
/**
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* Copyright (C) 2011 Whisper Systems
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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.thoughtcrime.securesms;
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import android.content.Intent;
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import android.os.Bundle;
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import android.widget.Toast;
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import org.whispersystems.libaxolotl.IdentityKey;
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import org.whispersystems.textsecure.util.Base64;
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import org.thoughtcrime.securesms.util.Dialogs;
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import org.thoughtcrime.securesms.util.DynamicTheme;
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import com.actionbarsherlock.view.Menu;
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import com.actionbarsherlock.view.MenuInflater;
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import com.actionbarsherlock.view.MenuItem;
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import org.whispersystems.textsecure.zxing.integration.IntentIntegrator;
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import org.whispersystems.textsecure.zxing.integration.IntentResult;
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/**
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* Activity for initiating/receiving key QR code scans.
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*
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* @author Moxie Marlinspike
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*/
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public abstract class KeyScanningActivity extends PassphraseRequiredSherlockActivity {
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private final DynamicTheme dynamicTheme = new DynamicTheme();
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@Override
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protected void onCreate(Bundle bundle) {
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dynamicTheme.onCreate(this);
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super.onCreate(bundle);
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}
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@Override
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public void onResume() {
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super.onResume();
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dynamicTheme.onResume(this);
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}
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@Override
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public boolean onPrepareOptionsMenu(Menu menu) {
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super.onPrepareOptionsMenu(menu);
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MenuInflater inflater = this.getSupportMenuInflater();
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menu.clear();
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inflater.inflate(R.menu.key_scanning, menu);
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menu.findItem(R.id.menu_scan).setTitle(getScanString());
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menu.findItem(R.id.menu_get_scanned).setTitle(getDisplayString());
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return true;
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}
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@Override
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public boolean onOptionsItemSelected(MenuItem item) {
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super.onOptionsItemSelected(item);
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switch (item.getItemId()) {
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case R.id.menu_scan: initiateScan(); return true;
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case R.id.menu_get_scanned: initiateDisplay(); return true;
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case android.R.id.home: finish(); return true;
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}
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return false;
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}
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@Override
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public void onActivityResult(int requestCode, int resultCode, Intent intent) {
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IntentResult scanResult = IntentIntegrator.parseActivityResult(requestCode, resultCode, intent);
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if ((scanResult != null) && (scanResult.getContents() != null)) {
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String data = scanResult.getContents();
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if (data.equals(Base64.encodeBytes(getIdentityKeyToCompare().serialize()))) {
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Dialogs.showInfoDialog(this, getVerifiedTitle(), getVerifiedMessage());
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} else {
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Dialogs.showAlertDialog(this, getNotVerifiedTitle(), getNotVerifiedMessage());
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}
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} else {
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Toast.makeText(this, R.string.KeyScanningActivity_no_scanned_key_found_exclamation,
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Toast.LENGTH_LONG).show();
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}
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}
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protected void initiateScan() {
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IntentIntegrator.initiateScan(this);
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}
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protected void initiateDisplay() {
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IntentIntegrator.shareText(this, Base64.encodeBytes(getIdentityKeyToDisplay().serialize()));
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}
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protected abstract String getScanString();
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protected abstract String getDisplayString();
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protected abstract String getNotVerifiedTitle();
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protected abstract String getNotVerifiedMessage();
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protected abstract IdentityKey getIdentityKeyToCompare();
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protected abstract IdentityKey getIdentityKeyToDisplay();
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protected abstract String getVerifiedTitle();
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protected abstract String getVerifiedMessage();
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}
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