75 lines
2.6 KiB
Java
75 lines
2.6 KiB
Java
package org.thoughtcrime.securesms.webrtc;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.os.Bundle;
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import android.os.Handler;
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import android.os.ResultReceiver;
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import android.telephony.TelephonyManager;
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import org.session.libsignal.utilities.Log;
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import org.thoughtcrime.securesms.service.WebRtcCallService;
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import java.lang.reflect.InvocationTargetException;
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import java.lang.reflect.Method;
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/**
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* Listens for incoming PSTN calls and rejects them if a RedPhone call is already in progress.
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*
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* Unstable use of reflection employed to gain access to ITelephony.
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*
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*/
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public class IncomingPstnCallReceiver extends BroadcastReceiver {
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private static final String TAG = IncomingPstnCallReceiver.class.getSimpleName();
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@Override
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public void onReceive(Context context, Intent intent) {
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Log.i(TAG, "Checking incoming call...");
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if (intent.getStringExtra(TelephonyManager.EXTRA_INCOMING_NUMBER) == null) {
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Log.w(TAG, "Telephony event does not contain number...");
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return;
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}
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if (!intent.getStringExtra(TelephonyManager.EXTRA_STATE).equals(TelephonyManager.EXTRA_STATE_RINGING)) {
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Log.w(TAG, "Telephony event is not state ringing...");
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return;
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}
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InCallListener listener = new InCallListener(context, new Handler());
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WebRtcCallService.isCallActive(context, listener);
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}
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private static class InCallListener extends ResultReceiver {
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private final Context context;
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InCallListener(Context context, Handler handler) {
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super(handler);
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this.context = context.getApplicationContext();
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}
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protected void onReceiveResult(int resultCode, Bundle resultData) {
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if (resultCode == 1) {
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Log.i(TAG, "Attempting to deny incoming PSTN call.");
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TelephonyManager tm = (TelephonyManager)context.getSystemService(Context.TELEPHONY_SERVICE);
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try {
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Method getTelephony = tm.getClass().getDeclaredMethod("getITelephony");
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getTelephony.setAccessible(true);
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Object telephonyService = getTelephony.invoke(tm);
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Method endCall = telephonyService.getClass().getDeclaredMethod("endCall");
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endCall.invoke(telephonyService);
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Log.i(TAG, "Denied Incoming Call.");
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} catch (NoSuchMethodException | IllegalAccessException | InvocationTargetException e) {
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Log.w(TAG, "Unable to access ITelephony API", e);
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}
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}
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}
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}
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}
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