session-android/src/org/thoughtcrime/securesms/PassphraseActivity.java
Corey Hunter 9064c02fa8 Improve #3990
By catching the crash Signal remains unlocked. The user can quickly
retry sharing from the previous app and it will work, rather than
having to return to the home screen and unlock Signal.

Closes #5805

// FREEBIE
2016-11-11 18:44:22 -08:00

77 lines
2.6 KiB
Java

/**
* Copyright (C) 2011 Whisper Systems
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.thoughtcrime.securesms;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.ServiceConnection;
import android.os.IBinder;
import android.util.Log;
import org.thoughtcrime.securesms.crypto.MasterSecret;
import org.thoughtcrime.securesms.service.KeyCachingService;
/**
* Base Activity for changing/prompting local encryption passphrase.
*
* @author Moxie Marlinspike
*/
public abstract class PassphraseActivity extends BaseActionBarActivity {
private KeyCachingService keyCachingService;
private MasterSecret masterSecret;
protected void setMasterSecret(MasterSecret masterSecret) {
this.masterSecret = masterSecret;
Intent bindIntent = new Intent(this, KeyCachingService.class);
startService(bindIntent);
bindService(bindIntent, serviceConnection, Context.BIND_AUTO_CREATE);
}
protected abstract void cleanup();
private ServiceConnection serviceConnection = new ServiceConnection() {
@Override
public void onServiceConnected(ComponentName className, IBinder service) {
keyCachingService = ((KeyCachingService.KeySetBinder)service).getService();
keyCachingService.setMasterSecret(masterSecret);
PassphraseActivity.this.unbindService(PassphraseActivity.this.serviceConnection);
masterSecret = null;
cleanup();
Intent nextIntent = getIntent().getParcelableExtra("next_intent");
if (nextIntent != null) {
try {
startActivity(nextIntent);
} catch (java.lang.SecurityException e) {
Log.w("PassphraseActivity",
"Access permission not passed from PassphraseActivity, retry sharing.");
}
}
finish();
}
@Override
public void onServiceDisconnected(ComponentName name) {
keyCachingService = null;
}
};
}