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respond to generic panic trigger Intent by locking

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PanicKit provides a common framework for creating "panic button"
apps that can trigger actions in "panic responder" apps.  In this
case, the response is to lock the app, if it has been configured
to do so.

As previously discussed in #5341

Closes #5550

//FREEBIE
This commit is contained in:
Hans-Christoph Steiner 2016-06-23 14:40:00 +02:00 committed by Moxie Marlinspike
parent a370f086c0
commit 9a671783c9
2 changed files with 36 additions and 0 deletions
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8
AndroidManifest.xml
View File

@ -497,5 +497,13 @@
</intent-filter>
</receiver>
<receiver
android:name=".service.PanicResponderListener"
android:exported="true">
<intent-filter>
<action android:name="info.guardianproject.panic.action.TRIGGER" />
</intent-filter>
</receiver>
</application>
</manifest>

28
src/org/thoughtcrime/securesms/service/PanicResponderListener.java Normal file
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@ -0,0 +1,28 @@
package org.thoughtcrime.securesms.service;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import org.thoughtcrime.securesms.util.TextSecurePreferences;
/**
* Respond to a PanicKit trigger Intent by locking the app. PanicKit provides a
* common framework for creating "panic button" apps that can trigger actions
* in "panic responder" apps. In this case, the response is to lock the app,
* if it has been configured to do so via the Signal lock preference. If the
* user has not set a passphrase, then the panic trigger intent does nothing.
*/
public class PanicResponderListener extends BroadcastReceiver {
@Override
public void onReceive(Context context, Intent intent) {
if (intent != null && !TextSecurePreferences.isPasswordDisabled(context) &&
"info.guardianproject.panic.action.TRIGGER".equals(intent.getAction()))
{
Intent lockIntent = new Intent(context, KeyCachingService.class);
lockIntent.setAction(KeyCachingService.CLEAR_KEY_ACTION);
context.startService(lockIntent);
}
}
}