| /* |
| * Copyright (C) 2018 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.wifi.dpp; |
| |
| import android.app.settings.SettingsEnums; |
| import android.content.Intent; |
| import android.net.Uri; |
| import android.net.wifi.WifiConfiguration; |
| import android.net.wifi.WifiInfo; |
| import android.net.wifi.WifiManager; |
| import android.os.Bundle; |
| import android.provider.Settings; |
| import android.util.Log; |
| |
| import androidx.annotation.VisibleForTesting; |
| import androidx.fragment.app.FragmentTransaction; |
| |
| import com.android.settings.R; |
| |
| import java.util.List; |
| |
| /** |
| * To provision "other" device with specified Wi-Fi network. |
| * |
| * Uses different intents to specify different provisioning ways. |
| * |
| * For intent action {@code ACTION_CONFIGURATOR_QR_CODE_SCANNER} and |
| * {@code android.settings.WIFI_DPP_CONFIGURATOR_QR_CODE_GENERATOR}, specify the Wi-Fi network to be |
| * provisioned in: |
| * |
| * {@code WifiDppUtils.EXTRA_WIFI_SECURITY} |
| * {@code WifiDppUtils.EXTRA_WIFI_SSID} |
| * {@code WifiDppUtils.EXTRA_WIFI_PRE_SHARED_KEY} |
| * {@code WifiDppUtils.EXTRA_WIFI_HIDDEN_SSID} |
| * |
| * For intent action {@link Settings#ACTION_PROCESS_WIFI_EASY_CONNECT_URI}, specify Wi-Fi |
| * Easy Connect bootstrapping information string in Intent's data URI. |
| */ |
| public class WifiDppConfiguratorActivity extends WifiDppBaseActivity implements |
| WifiNetworkConfig.Retriever, |
| WifiDppQrCodeScannerFragment.OnScanWifiDppSuccessListener, |
| WifiDppAddDeviceFragment.OnClickChooseDifferentNetworkListener, |
| WifiNetworkListFragment.OnChooseNetworkListener { |
| |
| private static final String TAG = "WifiDppConfiguratorActivity"; |
| |
| static final String ACTION_CONFIGURATOR_QR_CODE_SCANNER = |
| "android.settings.WIFI_DPP_CONFIGURATOR_QR_CODE_SCANNER"; |
| static final String ACTION_CONFIGURATOR_QR_CODE_GENERATOR = |
| "android.settings.WIFI_DPP_CONFIGURATOR_QR_CODE_GENERATOR"; |
| |
| // Key for Bundle usage |
| private static final String KEY_QR_CODE = "key_qr_code"; |
| private static final String KEY_WIFI_SECURITY = "key_wifi_security"; |
| private static final String KEY_WIFI_SSID = "key_wifi_ssid"; |
| private static final String KEY_WIFI_PRESHARED_KEY = "key_wifi_preshared_key"; |
| private static final String KEY_WIFI_HIDDEN_SSID = "key_wifi_hidden_ssid"; |
| private static final String KEY_WIFI_NETWORK_ID = "key_wifi_network_id"; |
| private static final String KEY_IS_HOTSPOT = "key_is_hotspot"; |
| |
| /** The Wi-Fi network which will be configured */ |
| private WifiNetworkConfig mWifiNetworkConfig; |
| |
| /** The Wi-Fi DPP QR code from intent ACTION_PROCESS_WIFI_EASY_CONNECT_URI */ |
| private WifiQrCode mWifiDppQrCode; |
| |
| /** |
| * The remote device's band support obtained as an (optional) extra |
| * EXTRA_EASY_CONNECT_BAND_LIST from the intent ACTION_PROCESS_WIFI_EASY_CONNECT_URI. |
| * |
| * The band support is provided as IEEE 802.11 Global Operating Classes. There may be a single |
| * or multiple operating classes specified. The array may also be a null if the extra wasn't |
| * specified. |
| */ |
| private int[] mWifiDppRemoteBandSupport; |
| |
| /** Secret extra that allows fake networks to show in UI for testing purposes */ |
| private boolean mIsTest; |
| |
| @Override |
| public int getMetricsCategory() { |
| return SettingsEnums.SETTINGS_WIFI_DPP_CONFIGURATOR; |
| } |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| super.onCreate(savedInstanceState); |
| |
| if (savedInstanceState != null) { |
| String qrCode = savedInstanceState.getString(KEY_QR_CODE); |
| |
| mWifiDppQrCode = WifiQrCode.getValidWifiDppQrCodeOrNull(qrCode); |
| |
| final String security = savedInstanceState.getString(KEY_WIFI_SECURITY); |
| final String ssid = savedInstanceState.getString(KEY_WIFI_SSID); |
| final String preSharedKey = savedInstanceState.getString(KEY_WIFI_PRESHARED_KEY); |
| final boolean hiddenSsid = savedInstanceState.getBoolean(KEY_WIFI_HIDDEN_SSID); |
| final int networkId = savedInstanceState.getInt(KEY_WIFI_NETWORK_ID); |
| final boolean isHotspot = savedInstanceState.getBoolean(KEY_IS_HOTSPOT); |
| |
| mWifiNetworkConfig = WifiNetworkConfig.getValidConfigOrNull(security, ssid, |
| preSharedKey, hiddenSsid, networkId, isHotspot); |
| } |
| } |
| |
| @Override |
| protected void handleIntent(Intent intent) { |
| String action = intent != null ? intent.getAction() : null; |
| if (action == null) { |
| finish(); |
| return; |
| } |
| |
| boolean cancelActivity = false; |
| WifiNetworkConfig config; |
| switch (action) { |
| case ACTION_CONFIGURATOR_QR_CODE_SCANNER: |
| config = WifiNetworkConfig.getValidConfigOrNull(intent); |
| if (config == null) { |
| cancelActivity = true; |
| } else { |
| mWifiNetworkConfig = config; |
| showQrCodeScannerFragment(); |
| } |
| break; |
| case ACTION_CONFIGURATOR_QR_CODE_GENERATOR: |
| config = WifiNetworkConfig.getValidConfigOrNull(intent); |
| if (config == null) { |
| cancelActivity = true; |
| } else { |
| mWifiNetworkConfig = config; |
| showQrCodeGeneratorFragment(); |
| } |
| break; |
| case Settings.ACTION_PROCESS_WIFI_EASY_CONNECT_URI: |
| final Uri uri = intent.getData(); |
| final String uriString = (uri == null) ? null : uri.toString(); |
| mIsTest = intent.getBooleanExtra(WifiDppUtils.EXTRA_TEST, false); |
| mWifiDppQrCode = WifiQrCode.getValidWifiDppQrCodeOrNull(uriString); |
| mWifiDppRemoteBandSupport = intent.getIntArrayExtra( |
| Settings.EXTRA_EASY_CONNECT_BAND_LIST); // returns null if none |
| final boolean isDppSupported = WifiDppUtils.isWifiDppEnabled(this); |
| if (!isDppSupported) { |
| Log.e(TAG, |
| "ACTION_PROCESS_WIFI_EASY_CONNECT_URI for a device that doesn't " |
| + "support Wifi DPP - use WifiManager#isEasyConnectSupported"); |
| } |
| if (mWifiDppQrCode == null) { |
| Log.e(TAG, "ACTION_PROCESS_WIFI_EASY_CONNECT_URI with null URI!"); |
| } |
| if (mWifiDppQrCode == null || !isDppSupported) { |
| cancelActivity = true; |
| } else { |
| final WifiNetworkConfig connectedConfig = getConnectedWifiNetworkConfigOrNull(); |
| if (connectedConfig == null || !connectedConfig.isSupportWifiDpp(this)) { |
| showChooseSavedWifiNetworkFragment(/* addToBackStack */ false); |
| } else { |
| mWifiNetworkConfig = connectedConfig; |
| showAddDeviceFragment(/* addToBackStack */ false); |
| } |
| } |
| break; |
| default: |
| cancelActivity = true; |
| Log.e(TAG, "Launch with an invalid action"); |
| } |
| |
| if (cancelActivity) { |
| finish(); |
| } |
| } |
| |
| private void showQrCodeScannerFragment() { |
| WifiDppQrCodeScannerFragment fragment = |
| (WifiDppQrCodeScannerFragment) mFragmentManager.findFragmentByTag( |
| WifiDppUtils.TAG_FRAGMENT_QR_CODE_SCANNER); |
| |
| if (fragment == null) { |
| fragment = new WifiDppQrCodeScannerFragment(); |
| } else { |
| if (fragment.isVisible()) { |
| return; |
| } |
| |
| // When the fragment in back stack but not on top of the stack, we can simply pop |
| // stack because current fragment transactions are arranged in an order |
| mFragmentManager.popBackStackImmediate(); |
| return; |
| } |
| final FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction(); |
| |
| fragmentTransaction.replace(R.id.fragment_container, fragment, |
| WifiDppUtils.TAG_FRAGMENT_QR_CODE_SCANNER); |
| fragmentTransaction.commit(); |
| } |
| |
| private void showQrCodeGeneratorFragment() { |
| WifiDppQrCodeGeneratorFragment fragment = |
| (WifiDppQrCodeGeneratorFragment) mFragmentManager.findFragmentByTag( |
| WifiDppUtils.TAG_FRAGMENT_QR_CODE_GENERATOR); |
| |
| if (fragment == null) { |
| fragment = new WifiDppQrCodeGeneratorFragment(); |
| } else { |
| if (fragment.isVisible()) { |
| return; |
| } |
| |
| // When the fragment in back stack but not on top of the stack, we can simply pop |
| // stack because current fragment transactions are arranged in an order |
| mFragmentManager.popBackStackImmediate(); |
| return; |
| } |
| final FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction(); |
| |
| fragmentTransaction.replace(R.id.fragment_container, fragment, |
| WifiDppUtils.TAG_FRAGMENT_QR_CODE_GENERATOR); |
| fragmentTransaction.commit(); |
| } |
| |
| private void showChooseSavedWifiNetworkFragment(boolean addToBackStack) { |
| WifiDppChooseSavedWifiNetworkFragment fragment = |
| (WifiDppChooseSavedWifiNetworkFragment) mFragmentManager.findFragmentByTag( |
| WifiDppUtils.TAG_FRAGMENT_CHOOSE_SAVED_WIFI_NETWORK); |
| |
| if (fragment == null) { |
| fragment = new WifiDppChooseSavedWifiNetworkFragment(); |
| if (mIsTest) { |
| Bundle bundle = new Bundle(); |
| bundle.putBoolean(WifiDppUtils.EXTRA_TEST, true); |
| fragment.setArguments(bundle); |
| } |
| } else { |
| if (fragment.isVisible()) { |
| return; |
| } |
| |
| // When the fragment in back stack but not on top of the stack, we can simply pop |
| // stack because current fragment transactions are arranged in an order |
| mFragmentManager.popBackStackImmediate(); |
| return; |
| } |
| final FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction(); |
| |
| fragmentTransaction.replace(R.id.fragment_container, fragment, |
| WifiDppUtils.TAG_FRAGMENT_CHOOSE_SAVED_WIFI_NETWORK); |
| if (addToBackStack) { |
| fragmentTransaction.addToBackStack(/* name */ null); |
| } |
| fragmentTransaction.commit(); |
| } |
| |
| private void showAddDeviceFragment(boolean addToBackStack) { |
| WifiDppAddDeviceFragment fragment = |
| (WifiDppAddDeviceFragment) mFragmentManager.findFragmentByTag( |
| WifiDppUtils.TAG_FRAGMENT_ADD_DEVICE); |
| |
| if (fragment == null) { |
| fragment = new WifiDppAddDeviceFragment(); |
| } else { |
| if (fragment.isVisible()) { |
| return; |
| } |
| |
| // When the fragment in back stack but not on top of the stack, we can simply pop |
| // stack because current fragment transactions are arranged in an order |
| mFragmentManager.popBackStackImmediate(); |
| return; |
| } |
| final FragmentTransaction fragmentTransaction = mFragmentManager.beginTransaction(); |
| |
| fragmentTransaction.replace(R.id.fragment_container, fragment, |
| WifiDppUtils.TAG_FRAGMENT_ADD_DEVICE); |
| if (addToBackStack) { |
| fragmentTransaction.addToBackStack(/* name */ null); |
| } |
| fragmentTransaction.commit(); |
| } |
| |
| @Override |
| public WifiNetworkConfig getWifiNetworkConfig() { |
| return mWifiNetworkConfig; |
| } |
| |
| WifiQrCode getWifiDppQrCode() { |
| return mWifiDppQrCode; |
| } |
| |
| @VisibleForTesting |
| boolean setWifiNetworkConfig(WifiNetworkConfig config) { |
| if(!WifiNetworkConfig.isValidConfig(config)) { |
| return false; |
| } else { |
| mWifiNetworkConfig = new WifiNetworkConfig(config); |
| return true; |
| } |
| } |
| |
| @VisibleForTesting |
| boolean setWifiDppQrCode(WifiQrCode wifiQrCode) { |
| if (wifiQrCode == null) { |
| return false; |
| } |
| |
| if (!WifiQrCode.SCHEME_DPP.equals(wifiQrCode.getScheme())) { |
| return false; |
| } |
| |
| mWifiDppQrCode = new WifiQrCode(wifiQrCode.getQrCode()); |
| return true; |
| } |
| |
| @Override |
| public void onScanWifiDppSuccess(WifiQrCode wifiQrCode) { |
| mWifiDppQrCode = wifiQrCode; |
| |
| showAddDeviceFragment(/* addToBackStack */ true); |
| } |
| |
| @Override |
| public void onClickChooseDifferentNetwork() { |
| showChooseSavedWifiNetworkFragment(/* addToBackStack */ true); |
| } |
| |
| @Override |
| public void onSaveInstanceState(Bundle outState) { |
| if (mWifiDppQrCode != null) { |
| outState.putString(KEY_QR_CODE, mWifiDppQrCode.getQrCode()); |
| } |
| |
| if (mWifiNetworkConfig != null) { |
| outState.putString(KEY_WIFI_SECURITY, mWifiNetworkConfig.getSecurity()); |
| outState.putString(KEY_WIFI_SSID, mWifiNetworkConfig.getSsid()); |
| outState.putString(KEY_WIFI_PRESHARED_KEY, mWifiNetworkConfig.getPreSharedKey()); |
| outState.putBoolean(KEY_WIFI_HIDDEN_SSID, mWifiNetworkConfig.getHiddenSsid()); |
| outState.putInt(KEY_WIFI_NETWORK_ID, mWifiNetworkConfig.getNetworkId()); |
| outState.putBoolean(KEY_IS_HOTSPOT, mWifiNetworkConfig.isHotspot()); |
| } |
| |
| super.onSaveInstanceState(outState); |
| } |
| |
| @Override |
| public void onChooseNetwork(WifiNetworkConfig wifiNetworkConfig) { |
| mWifiNetworkConfig = new WifiNetworkConfig(wifiNetworkConfig); |
| |
| showAddDeviceFragment(/* addToBackStack */ true); |
| } |
| |
| private WifiNetworkConfig getConnectedWifiNetworkConfigOrNull() { |
| final WifiManager wifiManager = getSystemService(WifiManager.class); |
| if (!wifiManager.isWifiEnabled()) { |
| return null; |
| } |
| |
| final WifiInfo connectionInfo = wifiManager.getConnectionInfo(); |
| if (connectionInfo == null) { |
| return null; |
| } |
| |
| final int connectionNetworkId = connectionInfo.getNetworkId(); |
| final List<WifiConfiguration> configs = wifiManager.getConfiguredNetworks(); |
| for (WifiConfiguration wifiConfiguration : configs) { |
| if (wifiConfiguration.networkId == connectionNetworkId) { |
| return WifiNetworkConfig.getValidConfigOrNull( |
| WifiDppUtils.getSecurityString(wifiConfiguration), |
| wifiConfiguration.getPrintableSsid(), |
| wifiConfiguration.preSharedKey, |
| wifiConfiguration.hiddenSSID, |
| wifiConfiguration.networkId, |
| /* isHotspot */ false); |
| } |
| } |
| |
| return null; |
| } |
| } |