| /* |
| * 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.carrierdefaultapp; |
| |
| import android.app.Activity; |
| import android.app.AlertDialog; |
| import android.app.ProgressDialog; |
| import android.content.DialogInterface; |
| import android.content.Intent; |
| import android.net.CaptivePortal; |
| import android.net.ConnectivityManager; |
| import android.net.Network; |
| import android.net.NetworkCapabilities; |
| import android.net.NetworkInfo; |
| import android.net.NetworkRequest; |
| import android.os.Bundle; |
| import android.telephony.CarrierConfigManager; |
| import android.telephony.Rlog; |
| import android.telephony.SubscriptionManager; |
| import android.text.TextUtils; |
| import android.net.ICaptivePortal; |
| import android.view.ContextThemeWrapper; |
| import android.view.WindowManager; |
| import com.android.carrierdefaultapp.R; |
| import com.android.internal.telephony.PhoneConstants; |
| import com.android.internal.telephony.TelephonyIntents; |
| import com.android.internal.util.ArrayUtils; |
| |
| import static android.net.CaptivePortal.APP_RETURN_DISMISSED; |
| |
| /** |
| * Activity that launches in response to the captive portal notification |
| * @see com.android.carrierdefaultapp.CarrierActionUtils#CARRIER_ACTION_SHOW_PORTAL_NOTIFICATION |
| * This activity requests network connection if there is no available one, launches the |
| * {@link com.android.captiveportallogin portalApp} and keeps track of the portal activation result. |
| */ |
| public class CaptivePortalLaunchActivity extends Activity { |
| private static final String TAG = CaptivePortalLaunchActivity.class.getSimpleName(); |
| private static final boolean DBG = true; |
| public static final int NETWORK_REQUEST_TIMEOUT_IN_MS = 5 * 1000; |
| |
| private ConnectivityManager mCm = null; |
| private ConnectivityManager.NetworkCallback mCb = null; |
| /* Progress dialogue when request network connection for captive portal */ |
| private AlertDialog mProgressDialog = null; |
| /* Alert dialogue when network request is timeout */ |
| private AlertDialog mAlertDialog = null; |
| |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| mCm = ConnectivityManager.from(this); |
| // Check network connection before loading portal |
| Network network = getNetworkForCaptivePortal(); |
| NetworkInfo nwInfo = mCm.getNetworkInfo(network); |
| if (nwInfo == null || !nwInfo.isConnected()) { |
| if (DBG) logd("Network unavailable, request restricted connection"); |
| requestNetwork(getIntent()); |
| } else { |
| launchCaptivePortal(getIntent(), network); |
| } |
| } |
| |
| // show progress dialog during network connecting |
| private void showConnectingProgressDialog() { |
| mProgressDialog = new ProgressDialog(getApplicationContext()); |
| mProgressDialog.setMessage(getString(R.string.progress_dialogue_network_connection)); |
| mProgressDialog.getWindow().setType(WindowManager.LayoutParams.TYPE_SYSTEM_ALERT); |
| mProgressDialog.show(); |
| } |
| |
| // if network request is timeout, show alert dialog with two option: cancel & wait |
| private void showConnectionTimeoutAlertDialog() { |
| mAlertDialog = new AlertDialog.Builder(new ContextThemeWrapper(this, R.style.AlertDialog)) |
| .setMessage(getString(R.string.alert_dialogue_network_timeout)) |
| .setTitle(getString(R.string.alert_dialogue_network_timeout_title)) |
| .setNegativeButton(getString(R.string.quit), |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| // cancel |
| dismissDialog(mAlertDialog); |
| finish(); |
| } |
| }) |
| .setPositiveButton(getString(R.string.wait), |
| new DialogInterface.OnClickListener() { |
| @Override |
| public void onClick(DialogInterface dialog, int which) { |
| // wait, request network again |
| dismissDialog(mAlertDialog); |
| requestNetwork(getIntent()); |
| } |
| }) |
| .create(); |
| mAlertDialog.show(); |
| } |
| |
| private void requestNetwork(final Intent intent) { |
| NetworkRequest request = new NetworkRequest.Builder() |
| .addTransportType(NetworkCapabilities.TRANSPORT_CELLULAR) |
| .addCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET) |
| .removeCapability(NetworkCapabilities.NET_CAPABILITY_NOT_RESTRICTED) |
| .build(); |
| |
| mCb = new ConnectivityManager.NetworkCallback() { |
| @Override |
| public void onAvailable(Network network) { |
| if (DBG) logd("Network available: " + network); |
| dismissDialog(mProgressDialog); |
| mCm.bindProcessToNetwork(network); |
| launchCaptivePortal(intent, network); |
| } |
| |
| @Override |
| public void onUnavailable() { |
| if (DBG) logd("Network unavailable"); |
| dismissDialog(mProgressDialog); |
| showConnectionTimeoutAlertDialog(); |
| } |
| }; |
| showConnectingProgressDialog(); |
| mCm.requestNetwork(request, mCb, NETWORK_REQUEST_TIMEOUT_IN_MS); |
| } |
| |
| private void releaseNetworkRequest() { |
| logd("release Network Request"); |
| if (mCb != null) { |
| mCm.unregisterNetworkCallback(mCb); |
| mCb = null; |
| } |
| } |
| |
| private void dismissDialog(AlertDialog dialog) { |
| if (dialog != null) { |
| dialog.dismiss(); |
| } |
| } |
| |
| private Network getNetworkForCaptivePortal() { |
| Network[] info = mCm.getAllNetworks(); |
| if (!ArrayUtils.isEmpty(info)) { |
| for (Network nw : info) { |
| final NetworkCapabilities nc = mCm.getNetworkCapabilities(nw); |
| if (nc.hasTransport(NetworkCapabilities.TRANSPORT_CELLULAR) |
| && nc.hasCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET)) { |
| return nw; |
| } |
| } |
| } |
| return null; |
| } |
| |
| private void launchCaptivePortal(final Intent intent, Network network) { |
| String redirectUrl = intent.getStringExtra(TelephonyIntents.EXTRA_REDIRECTION_URL_KEY); |
| int subId = intent.getIntExtra(PhoneConstants.SUBSCRIPTION_KEY, |
| SubscriptionManager.getDefaultVoiceSubscriptionId()); |
| if (TextUtils.isEmpty(redirectUrl) || !matchUrl(redirectUrl, subId)) { |
| loge("Launch portal fails due to incorrect redirection URL: " + |
| Rlog.pii(TAG, redirectUrl)); |
| return; |
| } |
| final Intent portalIntent = new Intent(ConnectivityManager.ACTION_CAPTIVE_PORTAL_SIGN_IN); |
| portalIntent.putExtra(ConnectivityManager.EXTRA_NETWORK, network); |
| portalIntent.putExtra(ConnectivityManager.EXTRA_CAPTIVE_PORTAL, |
| new CaptivePortal(new ICaptivePortal.Stub() { |
| @Override |
| public void appResponse(int response) { |
| logd("portal response code: " + response); |
| releaseNetworkRequest(); |
| if (response == APP_RETURN_DISMISSED) { |
| // Upon success http response code, trigger re-evaluation |
| CarrierActionUtils.applyCarrierAction( |
| CarrierActionUtils.CARRIER_ACTION_ENABLE_RADIO, intent, |
| getApplicationContext()); |
| CarrierActionUtils.applyCarrierAction( |
| CarrierActionUtils.CARRIER_ACTION_ENABLE_METERED_APNS, intent, |
| getApplicationContext()); |
| CarrierActionUtils.applyCarrierAction( |
| CarrierActionUtils.CARRIER_ACTION_CANCEL_ALL_NOTIFICATIONS, |
| intent, getApplicationContext()); |
| } |
| } |
| })); |
| portalIntent.putExtra(ConnectivityManager.EXTRA_CAPTIVE_PORTAL_URL, redirectUrl); |
| portalIntent.setFlags(Intent.FLAG_ACTIVITY_BROUGHT_TO_FRONT | Intent.FLAG_ACTIVITY_NEW_TASK |
| | Intent.FLAG_ACTIVITY_CLEAR_TASK); |
| if (DBG) logd("launching portal"); |
| startActivity(portalIntent); |
| finish(); |
| } |
| |
| // match configured redirection url |
| private boolean matchUrl(String url, int subId) { |
| CarrierConfigManager configManager = getApplicationContext() |
| .getSystemService(CarrierConfigManager.class); |
| String[] redirectURLs = configManager.getConfigForSubId(subId).getStringArray( |
| CarrierConfigManager.KEY_CARRIER_DEFAULT_REDIRECTION_URL_STRING_ARRAY); |
| if (ArrayUtils.isEmpty(redirectURLs)) { |
| if (DBG) logd("match is unnecessary without any configured redirection url"); |
| return true; |
| } |
| for (String redirectURL : redirectURLs) { |
| if (url.startsWith(redirectURL)) { |
| return true; |
| } |
| } |
| if (DBG) loge("no match found for configured redirection url"); |
| return false; |
| } |
| |
| private static void logd(String s) { |
| Rlog.d(TAG, s); |
| } |
| |
| private static void loge(String s) { |
| Rlog.d(TAG, s); |
| } |
| } |