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/*
* Copyright (C) 2016 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.android.settings;
import android.app.Activity;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.ConnectivityManager;
import android.os.Bundle;
import android.os.ResultReceiver;
import android.os.UserHandle;
import android.util.Log;
/**
* Activity which acts as a proxy to the tether provisioning app for sanity checks and permission
* restrictions. Specifically, the provisioning apps require
* {@link android.permission.CONNECTIVITY_INTERNAL}, while this activity can be started by a caller
* with {@link android.permission.TETHER_PRIVILEGED}.
*/
public class TetherProvisioningActivity extends Activity {
private static final int PROVISION_REQUEST = 0;
private static final String TAG = "TetherProvisioningAct";
private static final String EXTRA_TETHER_TYPE = "TETHER_TYPE";
private static final boolean DEBUG = Log.isLoggable(TAG, Log.DEBUG);
private ResultReceiver mResultReceiver;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
mResultReceiver = (ResultReceiver)getIntent().getParcelableExtra(
ConnectivityManager.EXTRA_PROVISION_CALLBACK);
int tetherType = getIntent().getIntExtra(ConnectivityManager.EXTRA_ADD_TETHER_TYPE,
ConnectivityManager.TETHERING_INVALID);
String[] provisionApp = getResources().getStringArray(
com.android.internal.R.array.config_mobile_hotspot_provision_app);
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.setClassName(provisionApp[0], provisionApp[1]);
intent.putExtra(EXTRA_TETHER_TYPE, tetherType);
if (DEBUG) {
Log.d(TAG, "Starting provisioning app: " + provisionApp[0] + "." + provisionApp[1]);
}
if (getPackageManager().queryIntentActivities(intent,
PackageManager.MATCH_DEFAULT_ONLY).isEmpty()) {
Log.e(TAG, "Provisioning app is configured, but not available.");
mResultReceiver.send(ConnectivityManager.TETHER_ERROR_PROVISION_FAILED, null);
finish();
return;
}
startActivityForResultAsUser(intent, PROVISION_REQUEST, UserHandle.CURRENT);
}
@Override
public void onActivityResult(int requestCode, int resultCode, Intent intent) {
super.onActivityResult(requestCode, resultCode, intent);
if (requestCode == PROVISION_REQUEST) {
if (DEBUG) Log.d(TAG, "Got result from app: " + resultCode);
int result = resultCode == Activity.RESULT_OK ?
ConnectivityManager.TETHER_ERROR_NO_ERROR :
ConnectivityManager.TETHER_ERROR_PROVISION_FAILED;
mResultReceiver.send(result, null);
finish();
}
}
}
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