mirror of
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137 lines
4.5 KiB
Java
137 lines
4.5 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.view.Menu;
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import android.view.MenuInflater;
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import android.view.MenuItem;
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import android.widget.Toast;
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import com.google.zxing.integration.android.IntentIntegrator;
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import com.google.zxing.integration.android.IntentResult;
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import org.thoughtcrime.securesms.util.Base64;
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import org.thoughtcrime.securesms.util.Dialogs;
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import org.thoughtcrime.securesms.util.DynamicLanguage;
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import org.thoughtcrime.securesms.util.DynamicTheme;
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import org.whispersystems.libaxolotl.IdentityKey;
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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 PassphraseRequiredActionBarActivity {
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private final DynamicTheme dynamicTheme = new DynamicTheme();
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private final DynamicLanguage dynamicLanguage = new DynamicLanguage();
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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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dynamicLanguage.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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dynamicLanguage.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.getMenuInflater();
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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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private IntentIntegrator getIntentIntegrator() {
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IntentIntegrator intentIntegrator = new IntentIntegrator(this);
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intentIntegrator.setButtonYesByID(R.string.yes);
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intentIntegrator.setButtonNoByID(R.string.no);
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intentIntegrator.setTitleByID(R.string.KeyScanningActivity_install_barcode_Scanner);
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intentIntegrator.setMessageByID(R.string.KeyScanningActivity_this_application_requires_barcode_scanner_would_you_like_to_install_it);
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return intentIntegrator;
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}
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protected void initiateScan() {
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IntentIntegrator intentIntegrator = getIntentIntegrator();
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intentIntegrator.initiateScan();
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}
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protected void initiateDisplay() {
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IntentIntegrator intentIntegrator = getIntentIntegrator();
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intentIntegrator.shareText(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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