mirror of
https://github.com/oxen-io/session-android.git
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103 lines
3.4 KiB
Java
103 lines
3.4 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.graphics.drawable.Drawable;
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import android.os.AsyncTask;
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import android.os.Build;
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import android.os.Bundle;
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import android.support.v7.app.ActionBar;
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import org.thoughtcrime.securesms.crypto.IdentityKeyUtil;
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import org.thoughtcrime.securesms.crypto.MasterSecret;
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import org.thoughtcrime.securesms.crypto.MasterSecretUtil;
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import org.thoughtcrime.securesms.util.MemoryCleaner;
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import org.thoughtcrime.securesms.util.TextSecurePreferences;
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import org.thoughtcrime.securesms.util.Util;
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import org.thoughtcrime.securesms.util.VersionTracker;
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/**
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* Activity for creating a user's local encryption passphrase.
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*
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* @author Moxie Marlinspike
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*/
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public class PassphraseCreateActivity extends PassphraseActivity {
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public PassphraseCreateActivity() { }
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@Override
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public void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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setContentView(R.layout.create_passphrase_activity);
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initializeResources();
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}
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private void initializeResources() {
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getSupportActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM);
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getSupportActionBar().setCustomView(R.layout.light_centered_app_title);
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mitigateAndroidTilingBug();
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TextSecurePreferences.setPasswordDisabled(this, true);
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new SecretGenerator().execute(MasterSecretUtil.UNENCRYPTED_PASSPHRASE);
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}
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private class SecretGenerator extends AsyncTask<String, Void, Void> {
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private MasterSecret masterSecret;
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@Override
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protected void onPreExecute() {
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}
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@Override
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protected Void doInBackground(String... params) {
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String passphrase = params[0];
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masterSecret = MasterSecretUtil.generateMasterSecret(PassphraseCreateActivity.this,
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passphrase);
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MemoryCleaner.clean(passphrase);
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MasterSecretUtil.generateAsymmetricMasterSecret(PassphraseCreateActivity.this, masterSecret);
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IdentityKeyUtil.generateIdentityKeys(PassphraseCreateActivity.this, masterSecret);
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VersionTracker.updateLastSeenVersion(PassphraseCreateActivity.this);
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return null;
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}
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@Override
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protected void onPostExecute(Void param) {
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setMasterSecret(masterSecret);
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}
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}
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private void mitigateAndroidTilingBug() {
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if (Build.VERSION.SDK_INT <= Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
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Drawable actionBarBackground = getResources().getDrawable(R.drawable.background_pattern_repeat);
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Util.fixBackgroundRepeat(actionBarBackground);
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getSupportActionBar().setBackgroundDrawable(actionBarBackground);
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Util.fixBackgroundRepeat(findViewById(R.id.scroll_parent).getBackground());
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}
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}
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@Override
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protected void cleanup() {
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System.gc();
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}
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}
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