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mohemmionic5/WifiWizard2.java

1951 lines
60 KiB
Java

/*
* Copyright 2018 Myles McNamara
*
* 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 wifiwizard2;
import org.apache.cordova.*;
import java.util.List;
import java.lang.InterruptedException;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import android.annotation.SuppressLint;
import android.app.PendingIntent;
import android.content.pm.PackageManager;
import android.content.BroadcastReceiver;
import android.content.Intent;
import android.content.IntentFilter;
import android.net.Network;
import android.net.NetworkCapabilities;
import android.net.NetworkInfo;
import android.net.NetworkRequest;
import android.net.DhcpInfo;
import android.net.wifi.WifiManager;
import android.net.wifi.WifiConfiguration;
import android.net.wifi.ScanResult;
import android.net.wifi.WifiInfo;
import android.net.wifi.SupplicantState;
import android.net.wifi.WifiNetworkSpecifier;
import android.net.ConnectivityManager;
import android.content.Context;
import android.os.AsyncTask;
import android.util.Log;
import android.os.Build.VERSION;
import android.os.PatternMatcher;
import java.net.URL;
import java.net.InetAddress;
import java.net.Inet4Address;
import java.net.InterfaceAddress;
import java.net.NetworkInterface;
import java.net.HttpURLConnection;
import java.net.UnknownHostException;
public class WifiWizard2 extends CordovaPlugin {
private boolean hiddenSSID = true;
private static final String TAG = "WifiWizard2";
private static final int API_VERSION = VERSION.SDK_INT;
private static final String ADD_NETWORK = "add";
private static final String REMOVE_NETWORK = "remove";
private static final String CONNECT_NETWORK = "connect";
private static final String DISCONNECT_NETWORK = "disconnectNetwork";
private static final String DISCONNECT = "disconnect";
private static final String LIST_NETWORKS = "listNetworks";
private static final String START_SCAN = "startScan";
private static final String GET_SCAN_RESULTS = "getScanResults";
private static final String GET_CONNECTED_SSID = "getConnectedSSID";
private static final String GET_CONNECTED_BSSID = "getConnectedBSSID";
private static final String GET_CONNECTED_NETWORKID = "getConnectedNetworkID";
private static final String IS_WIFI_ENABLED = "isWifiEnabled";
private static final String SET_WIFI_ENABLED = "setWifiEnabled";
private static final String SCAN = "scan";
private static final String ENABLE_NETWORK = "enable";
private static final String DISABLE_NETWORK = "disable";
private static final String GET_SSID_NET_ID = "getSSIDNetworkID";
private static final String REASSOCIATE = "reassociate";
private static final String RECONNECT = "reconnect";
private static final String REQUEST_FINE_LOCATION = "requestFineLocation";
private static final String GET_WIFI_IP_ADDRESS = "getWifiIP";
private static final String GET_WIFI_ROUTER_IP_ADDRESS = "getWifiRouterIP";
private static final String CAN_PING_WIFI_ROUTER = "canPingWifiRouter";
private static final String CAN_CONNECT_TO_ROUTER = "canConnectToRouter";
private static final String CAN_CONNECT_TO_INTERNET = "canConnectToInternet";
private static final String IS_CONNECTED_TO_INTERNET = "isConnectedToInternet";
private static final String RESET_BIND_ALL = "resetBindAll";
private static final String SET_BIND_ALL = "setBindAll";
private static final String GET_WIFI_IP_INFO = "getWifiIPInfo";
private static final int SCAN_RESULTS_CODE = 0; // Permissions request code for getScanResults()
private static final int SCAN_CODE = 1; // Permissions request code for scan()
private static final int LOCATION_REQUEST_CODE = 2; // Permissions request code
private static final int WIFI_SERVICE_INFO_CODE = 3;
private static final String ACCESS_FINE_LOCATION = android.Manifest.permission.ACCESS_FINE_LOCATION;
private static int LAST_NET_ID = -1;
// This is for when SSID or BSSID is requested but permissions have not been granted for location
// we store whether or not BSSID was requested, to recall the getWifiServiceInfo fn after permissions are granted
private static boolean bssidRequested = false;
private WifiManager wifiManager;
private CallbackContext callbackContext;
private JSONArray passedData;
private ConnectivityManager connectivityManager;
private ConnectivityManager.NetworkCallback networkCallback;
// Store AP, previous, and desired wifi info
private AP previous, desired;
private PendingIntent pending_intent_net_req_received;
private final BroadcastReceiver networkChangedReceiver = new NetworkChangedReceiver();
private static final IntentFilter NETWORK_STATE_CHANGED_FILTER = new IntentFilter();
static {
NETWORK_STATE_CHANGED_FILTER.addAction(WifiManager.NETWORK_STATE_CHANGED_ACTION);
}
/**
* WEP has two kinds of password, a hex value that specifies the key or a character string used to
* generate the real hex. This checks what kind of password has been supplied. The checks
* correspond to WEP40, WEP104 & WEP232
*/
private static boolean getHexKey(String s) {
if (s == null) {
return false;
}
int len = s.length();
if (len != 10 && len != 26 && len != 58) {
return false;
}
for (int i = 0; i < len; ++i) {
char c = s.charAt(i);
if (!((c >= '0' && c <= '9') || (c >= 'a' && c <= 'f') || (c >= 'A' && c <= 'F'))) {
return false;
}
}
return true;
}
@Override
public void initialize(CordovaInterface cordova, CordovaWebView webView) {
super.initialize(cordova, webView);
this.wifiManager = (WifiManager) cordova.getActivity().getApplicationContext().getSystemService(Context.WIFI_SERVICE);
this.connectivityManager = (ConnectivityManager) cordova.getActivity().getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
}
@Override
public boolean execute(String action, JSONArray data, CallbackContext callbackContext)
throws JSONException {
this.callbackContext = callbackContext;
this.passedData = data;
// Actions that do not require WiFi to be enabled
if (action.equals(IS_WIFI_ENABLED)) {
this.isWifiEnabled(callbackContext);
return true;
} else if (action.equals(SET_WIFI_ENABLED)) {
this.setWifiEnabled(callbackContext, data);
return true;
} else if (action.equals(REQUEST_FINE_LOCATION)) {
this.requestLocationPermission(LOCATION_REQUEST_CODE);
return true;
} else if (action.equals(GET_WIFI_ROUTER_IP_ADDRESS)) {
String ip = getWiFiRouterIP();
if ( ip == null || ip.equals("0.0.0.0")) {
callbackContext.error("NO_VALID_ROUTER_IP_FOUND");
return true;
} else {
callbackContext.success(ip);
return true;
}
} else if (action.equals(GET_WIFI_IP_ADDRESS) || action.equals(GET_WIFI_IP_INFO)) {
String[] ipInfo = getWiFiIPAddress();
String ip = ipInfo[0];
String subnet = ipInfo[1];
if (ip == null || ip.equals("0.0.0.0")) {
callbackContext.error("NO_VALID_IP_IDENTIFIED");
return true;
}
// Return only IP address
if( action.equals( GET_WIFI_IP_ADDRESS ) ){
callbackContext.success(ip);
return true;
}
// Return Wifi IP Info (subnet and IP as JSON object)
JSONObject result = new JSONObject();
result.put("ip", ip);
result.put("subnet", subnet);
callbackContext.success(result);
return true;
}
boolean wifiIsEnabled = verifyWifiEnabled();
if (!wifiIsEnabled) {
callbackContext.error("WIFI_NOT_ENABLED");
return true; // Even though enable wifi failed, we still return true and handle error in callback
}
// Actions that DO require WiFi to be enabled
if (action.equals(ADD_NETWORK)) {
this.add(callbackContext, data);
} else if (action.equals(IS_CONNECTED_TO_INTERNET)) {
this.canConnectToInternet(callbackContext, true);
} else if (action.equals(CAN_CONNECT_TO_INTERNET)) {
this.canConnectToInternet(callbackContext, false);
} else if (action.equals(CAN_PING_WIFI_ROUTER)) {
this.canConnectToRouter(callbackContext, true);
} else if (action.equals(CAN_CONNECT_TO_ROUTER)) {
this.canConnectToRouter(callbackContext, false);
} else if (action.equals(ENABLE_NETWORK)) {
this.enable(callbackContext, data);
} else if (action.equals(DISABLE_NETWORK)) {
this.disable(callbackContext, data);
} else if (action.equals(GET_SSID_NET_ID)) {
this.getSSIDNetworkID(callbackContext, data);
} else if (action.equals(REASSOCIATE)) {
this.reassociate(callbackContext);
} else if (action.equals(RECONNECT)) {
this.reconnect(callbackContext);
} else if (action.equals(SCAN)) {
this.scan(callbackContext, data);
} else if (action.equals(REMOVE_NETWORK)) {
this.remove(callbackContext, data);
} else if (action.equals(CONNECT_NETWORK)) {
this.connect(callbackContext, data);
} else if (action.equals(DISCONNECT_NETWORK)) {
this.disconnectNetwork(callbackContext, data);
} else if (action.equals(LIST_NETWORKS)) {
this.listNetworks(callbackContext);
} else if (action.equals(START_SCAN)) {
this.startScan(callbackContext);
} else if (action.equals(GET_SCAN_RESULTS)) {
this.getScanResults(callbackContext, data);
} else if (action.equals(DISCONNECT)) {
this.disconnect(callbackContext);
} else if (action.equals(GET_CONNECTED_SSID)) {
this.getConnectedSSID(callbackContext);
} else if (action.equals(GET_CONNECTED_BSSID)) {
this.getConnectedBSSID(callbackContext);
} else if (action.equals(GET_CONNECTED_NETWORKID)) {
this.getConnectedNetworkID(callbackContext);
} else if (action.equals(RESET_BIND_ALL)) {
this.resetBindAll(callbackContext);
} else if (action.equals(SET_BIND_ALL)) {
this.setBindAll(callbackContext);
} else {
callbackContext.error("Incorrect action parameter: " + action);
// The ONLY time to return FALSE is when action does not exist that was called
// Returning false results in an INVALID_ACTION error, which translates to an error callback invoked on the JavaScript side
// All other errors should be handled with the fail callback (callbackContext.error)
// @see https://cordova.apache.org/docs/en/latest/guide/platforms/android/plugin.html
return false;
}
return true;
}
/**
* Scans networks and sends the list back on the success callback
*
* @param callbackContext A Cordova callback context
* @param data JSONArray with [0] == JSONObject
* @return true
*/
private boolean scan(final CallbackContext callbackContext, final JSONArray data) {
Log.v(TAG, "Entering startScan");
final ScanSyncContext syncContext = new ScanSyncContext();
final BroadcastReceiver receiver = new BroadcastReceiver() {
public void onReceive(Context context, Intent intent) {
Log.v(TAG, "Entering onReceive");
synchronized (syncContext) {
if (syncContext.finished) {
Log.v(TAG, "In onReceive, already finished");
return;
}
syncContext.finished = true;
context.unregisterReceiver(this);
}
Log.v(TAG, "In onReceive, success");
getScanResults(callbackContext, data);
}
};
final Context context = cordova.getActivity().getApplicationContext();
Log.v(TAG, "Submitting timeout to threadpool");
cordova.getThreadPool().submit(new Runnable() {
public void run() {
Log.v(TAG, "Entering timeout");
final int TEN_SECONDS = 10000;
try {
Thread.sleep(TEN_SECONDS);
} catch (InterruptedException e) {
Log.e(TAG, "Received InterruptedException e, " + e);
// keep going into error
}
Log.v(TAG, "Thread sleep done");
synchronized (syncContext) {
if (syncContext.finished) {
Log.v(TAG, "In timeout, already finished");
return;
}
syncContext.finished = true;
context.unregisterReceiver(receiver);
}
Log.v(TAG, "In timeout, error");
callbackContext.error("TIMEOUT_WAITING_FOR_SCAN");
}
});
Log.v(TAG, "Registering broadcastReceiver");
context.registerReceiver(
receiver,
new IntentFilter(WifiManager.SCAN_RESULTS_AVAILABLE_ACTION)
);
if (!wifiManager.startScan()) {
Log.v(TAG, "Scan failed");
callbackContext.error("SCAN_FAILED");
return false;
}
Log.v(TAG, "Starting wifi scan");
return true;
}
/**
* This methods adds a network to the list of available WiFi networks. If the network already
* exists, then it updates it.
*
* @return true if add successful, false if add fails
* @params callbackContext A Cordova callback context.
* @params data JSON Array with [0] == SSID, [1] == password
*/
private boolean add(CallbackContext callbackContext, JSONArray data) {
Log.d(TAG, "WifiWizard2: add entered.");
// Initialize the WifiConfiguration object
WifiConfiguration wifi = new WifiConfiguration();
try {
// data's order for ANY object is
// 0: SSID
// 1: authentication algorithm,
// 2: authentication information
// 3: whether or not the SSID is hidden
String newSSID = data.getString(0);
String newPass = data.getString(2);
String authType = data.getString(1);
boolean isHiddenSSID = data.getBoolean(3);
wifi.hiddenSSID = this.hiddenSSID;
if(API_VERSION >= 29){
// Remove Double Quotes
newSSID = newSSID.replace("\"", "");
newPass = newPass.replace("\"", "");
}
if (authType.equals("WPA") || authType.equals("WPA2")) {
/**
* WPA Data format:
* 0: ssid
* 1: auth
* 2: password
* 3: isHiddenSSID
*/
wifi.SSID = newSSID;
wifi.preSharedKey = newPass;
wifi.status = WifiConfiguration.Status.ENABLED;
wifi.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
wifi.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
wifi.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.WPA_PSK);
wifi.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
wifi.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);
wifi.allowedProtocols.set(WifiConfiguration.Protocol.RSN);
wifi.allowedProtocols.set(WifiConfiguration.Protocol.WPA);
wifi.networkId = ssidToNetworkId(newSSID);
} else if (authType.equals("WEP")) {
/**
* WEP Data format:
* 0: ssid
* 1: auth
* 2: password
* 3: isHiddenSSID
*/
wifi.SSID = newSSID;
if (getHexKey(newPass)) {
wifi.wepKeys[0] = newPass;
} else {
wifi.wepKeys[0] = "\"" + newPass + "\"";
}
wifi.wepTxKeyIndex = 0;
wifi.status = WifiConfiguration.Status.ENABLED;
wifi.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP40);
wifi.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.WEP104);
wifi.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.TKIP);
wifi.allowedGroupCiphers.set(WifiConfiguration.GroupCipher.CCMP);
wifi.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
wifi.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.OPEN);
wifi.allowedAuthAlgorithms.set(WifiConfiguration.AuthAlgorithm.SHARED);
wifi.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.TKIP);
wifi.allowedPairwiseCiphers.set(WifiConfiguration.PairwiseCipher.CCMP);
wifi.allowedProtocols.set(WifiConfiguration.Protocol.RSN);
wifi.allowedProtocols.set(WifiConfiguration.Protocol.WPA);
wifi.networkId = ssidToNetworkId(newSSID);
} else if (authType.equals("NONE")) {
/**
* OPEN Network data format:
* 0: ssid
* 1: auth
* 2: <not used>
* 3: isHiddenSSID
*/
wifi.SSID = newSSID;
wifi.allowedKeyManagement.set(WifiConfiguration.KeyMgmt.NONE);
wifi.networkId = ssidToNetworkId(newSSID);
} else {
Log.d(TAG, "Wifi Authentication Type Not Supported.");
callbackContext.error("AUTH_TYPE_NOT_SUPPORTED");
return false;
}
// Set network to highest priority (deprecated in API >= 26)
if(API_VERSION < 26) {
wifi.priority = getMaxWifiPriority(wifiManager) + 1;
}
if(API_VERSION >= 29) {
this.networkCallback = new ConnectivityManager.NetworkCallback() {
@Override
public void onAvailable(Network network) {
connectivityManager.bindProcessToNetwork(network);
Log.d(TAG, "onAvailable");
callbackContext.success("onAvailable");
}
@Override
public void onUnavailable() {
super.onUnavailable();
Log.d(TAG, "onUnavailable");
callbackContext.error("onUnavailable");
}
};
// Connect Wifi using WifiNetworkSpecifier
WifiNetworkSpecifier.Builder builder = new WifiNetworkSpecifier.Builder();
builder.setIsHiddenSsid(this.hiddenSSID);
if (newSSID.endsWith("#")) {
newSSID = newSSID.replace("#", "");
builder.setSsidPattern(new PatternMatcher(newSSID, PatternMatcher.PATTERN_PREFIX));
}else {
builder.setSsid(newSSID);
}
builder.setWpa2Passphrase(newPass);
WifiNetworkSpecifier wifiNetworkSpecifier = builder.build();
NetworkRequest.Builder networkRequestBuilder1 = new NetworkRequest.Builder();
networkRequestBuilder1.addTransportType(NetworkCapabilities.TRANSPORT_WIFI);
//removeCapability added for hotspots without internet
networkRequestBuilder1.removeCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET);
networkRequestBuilder1.setNetworkSpecifier(wifiNetworkSpecifier);
NetworkRequest nr = networkRequestBuilder1.build();
//timeout add because "No devices found" wasn't handled correct and doesn't throw Unavailable
connectivityManager.requestNetwork(nr, this.networkCallback, 40000);
} else {
// After processing authentication types, add or update network
if(wifi.networkId == -1) { // -1 means SSID configuration does not exist yet
int newNetId = wifiManager.addNetwork(wifi);
if( newNetId > -1 ){
callbackContext.success( newNetId );
} else {
callbackContext.error( "ERROR_ADDING_NETWORK" );
}
} else {
int updatedNetID = wifiManager.updateNetwork(wifi);
if(updatedNetID > -1) {
callbackContext.success( updatedNetID );
} else {
callbackContext.error("ERROR_UPDATING_NETWORK");
}
}
}
// WifiManager configurations are presistent for API 26+
if(API_VERSION < 26) {
wifiManager.saveConfiguration(); // Call saveConfiguration for older < 26 API
}
return true;
} catch (Exception e) {
callbackContext.error(e.getMessage());
Log.d(TAG, e.getMessage());
return false;
}
}
/**
* This method connects a network.
*
* @param callbackContext A Cordova callback context
* @param data JSON Array, with [0] being SSID to connect
*/
private void enable(CallbackContext callbackContext, JSONArray data) {
Log.d(TAG, "WifiWizard2: enable entered.");
if (!validateData(data)) {
callbackContext.error("ENABLE_INVALID_DATA");
Log.d(TAG, "WifiWizard2: enable invalid data.");
return;
}
String ssidToEnable = "";
String bindAll = "false";
String waitForConnection = "false";
try {
ssidToEnable = data.getString(0);
bindAll = data.getString(1);
waitForConnection = data.getString(2);
} catch (Exception e) {
callbackContext.error(e.getMessage());
Log.d(TAG, e.getMessage());
return;
}
int networkIdToEnable = ssidToNetworkId(ssidToEnable);
try {
if(networkIdToEnable > -1) {
Log.d(TAG, "Valid networkIdToEnable: attempting connection");
// Bind all requests to WiFi network (only necessary for Lollipop+ - API 21+)
if(bindAll.equals("true")) {
registerBindALL(networkIdToEnable);
}
if(wifiManager.enableNetwork(networkIdToEnable, true)) {
if( waitForConnection.equals("true") ){
callbackContext.success("NETWORK_ENABLED");
return;
} else {
new ConnectAsync().execute(callbackContext, networkIdToEnable);
return;
}
} else {
callbackContext.error("ERROR_ENABLING_NETWORK");
return;
}
} else {
callbackContext.error("UNABLE_TO_ENABLE");
return;
}
} catch (Exception e) {
callbackContext.error(e.getMessage());
Log.d(TAG, e.getMessage());
return;
}
}
/**
* This method disables a network.
*
* @param callbackContext A Cordova callback context
* @param data JSON Array, with [0] being SSID to connect
* @return true if network disconnected, false if failed
*/
private boolean disable(CallbackContext callbackContext, JSONArray data) {
Log.d(TAG, "WifiWizard2: disable entered.");
if (!validateData(data)) {
callbackContext.error("DISABLE_INVALID_DATA");
Log.d(TAG, "WifiWizard2: disable invalid data");
return false;
}
String ssidToDisable = "";
try {
ssidToDisable = data.getString(0);
} catch (Exception e) {
callbackContext.error(e.getMessage());
Log.d(TAG, e.getMessage());
return false;
}
int networkIdToDisconnect = ssidToNetworkId(ssidToDisable);
try {
if (networkIdToDisconnect > 0) {
if(wifiManager.disableNetwork(networkIdToDisconnect)){
maybeResetBindALL();
callbackContext.success("Network " + ssidToDisable + " disabled!");
} else {
callbackContext.error("UNABLE_TO_DISABLE");
}
return true;
} else {
callbackContext.error("DISABLE_NETWORK_NOT_FOUND");
Log.d(TAG, "WifiWizard2: Network not found to disable.");
return false;
}
} catch (Exception e) {
callbackContext.error(e.getMessage());
Log.d(TAG, e.getMessage());
return false;
}
}
/**
* This method removes a network from the list of configured networks.
*
* @param callbackContext A Cordova callback context
* @param data JSON Array, with [0] being SSID to remove
* @return true if network removed, false if failed
*/
private boolean remove(CallbackContext callbackContext, JSONArray data) {
Log.d(TAG, "WifiWizard2: remove entered.");
if (!validateData(data)) {
callbackContext.error("REMOVE_INVALID_DATA");
Log.d(TAG, "WifiWizard2: remove data invalid");
return false;
}
// TODO: Verify the type of data!
try {
String ssidToDisconnect = data.getString(0);
if(API_VERSION >= 29){
if (networkCallback != null) {
connectivityManager.unregisterNetworkCallback(networkCallback);
networkCallback = null;
}
connectivityManager.releaseNetworkRequest(pending_intent_net_req_received);
// WifiNetworkSuggestion wifiNetworkSuggestion = new WifiNetworkSuggestion.Builder()
// .setSsid(ssidToDisconnect)
// .build();
// List<WifiNetworkSuggestion> list = new ArrayList();
// list.add(wifiNetworkSuggestion);
// wifiManager.removeNetworkSuggestions(list);
callbackContext.success("NETWORK_REMOVED");
return true;
}
int networkIdToRemove = ssidToNetworkId(ssidToDisconnect);
if (networkIdToRemove > -1) {
if( wifiManager.removeNetwork(networkIdToRemove) ){
// Configurations persist by default in API 26+
if (API_VERSION < 26) {
wifiManager.saveConfiguration();
}
callbackContext.success("NETWORK_REMOVED");
} else {
callbackContext.error( "UNABLE_TO_REMOVE" );
}
return true;
} else {
callbackContext.error("REMOVE_NETWORK_NOT_FOUND");
Log.d(TAG, "WifiWizard2: Network not found, can't remove.");
return false;
}
} catch (Exception e) {
callbackContext.error(e.getMessage());
Log.d(TAG, e.getMessage());
return false;
}
}
/**
* This method connects a network.
*
* @param callbackContext A Cordova callback context
* @param data JSON Array, with [0] being SSID to connect
*/
private void connect(CallbackContext callbackContext, JSONArray data) {
Log.d(TAG, "WifiWizard2: connect entered.");
if(API_VERSION >= 29){
// No need to connect, its already connected via WifiNetworkSpecifier at add(...) method
callbackContext.success("NETWORK_CONNECTION_COMPLETED");
return;
}
if (!validateData(data)) {
callbackContext.error("CONNECT_INVALID_DATA");
Log.d(TAG, "WifiWizard2: connect invalid data.");
return;
}
String ssidToConnect = "";
String bindAll = "false";
try {
ssidToConnect = data.getString(0);
bindAll = data.getString(1);
} catch (Exception e) {
callbackContext.error(e.getMessage());
Log.d(TAG, e.getMessage());
return;
}
int networkIdToConnect = ssidToNetworkId(ssidToConnect);
if (networkIdToConnect > -1) {
// We disable the network before connecting, because if this was the last connection before
// a disconnect(), this will not reconnect.
Log.d(TAG, "Valid networkIdToConnect: attempting connection");
// Bind all requests to WiFi network (only necessary for Lollipop+ - API 21+)
if( bindAll.equals("true") ){
registerBindALL(networkIdToConnect);
}
if (API_VERSION >= 26) {
// wifiManager.disconnect();
} else {
wifiManager.disableNetwork(networkIdToConnect);
}
wifiManager.enableNetwork(networkIdToConnect, true);
if (API_VERSION >= 26) {
// wifiManager.reassociate();
}
new ConnectAsync().execute(callbackContext, networkIdToConnect);
return;
} else {
callbackContext.error("INVALID_NETWORK_ID_TO_CONNECT");
return;
}
}
/**
* Wait for connection before returning error or success
*
* This method will wait up to 60 seconds for WiFi connection to specified network ID be in COMPLETED state, otherwise will return error.
*
* @param callbackContext
* @param networkIdToConnect
* @return
*/
private class ConnectAsync extends AsyncTask<Object, Void, String[]> {
CallbackContext callbackContext;
@Override
protected void onPostExecute(String[] results) {
String error = results[0];
String success = results[1];
if (error != null) {
this.callbackContext.error(error);
} else {
this.callbackContext.success(success);
}
}
@Override
protected String[] doInBackground(Object... params) {
this.callbackContext = (CallbackContext) params[0];
int networkIdToConnect = (Integer) params[1];
final int TIMES_TO_RETRY = 15;
for (int i = 0; i < TIMES_TO_RETRY; i++) {
WifiInfo info = wifiManager.getConnectionInfo();
NetworkInfo.DetailedState connectionState = info
.getDetailedStateOf(info.getSupplicantState());
boolean isConnected =
// need to ensure we're on correct network because sometimes this code is
// reached before the initial network has disconnected
info.getNetworkId() == networkIdToConnect && (
connectionState == NetworkInfo.DetailedState.CONNECTED ||
// Android seems to sometimes get stuck in OBTAINING_IPADDR after it has received one
(connectionState == NetworkInfo.DetailedState.OBTAINING_IPADDR
&& info.getIpAddress() != 0)
);
if (isConnected) {
return new String[]{ null, "NETWORK_CONNECTION_COMPLETED" };
}
Log.d(TAG, "WifiWizard: Got " + connectionState.name() + " on " + (i + 1) + " out of " + TIMES_TO_RETRY);
final int ONE_SECOND = 1000;
try {
Thread.sleep(ONE_SECOND);
} catch (InterruptedException e) {
Log.e(TAG, e.getMessage());
return new String[]{ "INTERRUPT_EXCEPT_WHILE_CONNECTING", null };
}
}
Log.d(TAG, "WifiWizard: Network failed to finish connecting within the timeout");
return new String[]{ "CONNECT_FAILED_TIMEOUT", null };
}
}
/**
* This method disconnects a network.
*
* @param callbackContext A Cordova callback context
* @param data JSON Array, with [0] being SSID to connect
* @return true if network disconnected, false if failed
*/
private boolean disconnectNetwork(CallbackContext callbackContext, JSONArray data) {
Log.d(TAG, "WifiWizard2: disconnectNetwork entered.");
if (!validateData(data)) {
callbackContext.error("DISCONNECT_NET_INVALID_DATA");
Log.d(TAG, "WifiWizard2: disconnectNetwork invalid data");
return false;
}
String ssidToDisconnect = "";
// TODO: Verify type of data here!
try {
ssidToDisconnect = data.getString(0);
} catch (Exception e) {
callbackContext.error(e.getMessage());
Log.d(TAG, e.getMessage());
return false;
}
if(API_VERSION < 29){
int networkIdToDisconnect = ssidToNetworkId(ssidToDisconnect);
if(networkIdToDisconnect > 0) {
if(wifiManager.disableNetwork(networkIdToDisconnect)) {
maybeResetBindALL();
// We also remove the configuration from the device (use "disable" to keep config)
if( wifiManager.removeNetwork(networkIdToDisconnect) ){
callbackContext.success("Network " + ssidToDisconnect + " disconnected and removed!");
} else {
callbackContext.error("DISCONNECT_NET_REMOVE_ERROR");
Log.d(TAG, "WifiWizard2: Unable to remove network!");
return false;
}
} else {
callbackContext.error("DISCONNECT_NET_DISABLE_ERROR");
Log.d(TAG, "WifiWizard2: Unable to disable network!");
return false;
}
return true;
} else {
callbackContext.error("DISCONNECT_NET_ID_NOT_FOUND");
Log.d(TAG, "WifiWizard2: Network not found to disconnect.");
return false;
}
} else {
try{
ConnectivityManager cm = (ConnectivityManager) cordova.getActivity().getApplicationContext().getSystemService(Context.CONNECTIVITY_SERVICE);
cm.unregisterNetworkCallback(this.networkCallback);
connectivityManager.bindProcessToNetwork(null);
return true;
}
catch(Exception e) {
callbackContext.error(e.getMessage());
return false;
}
}
}
/**
* This method disconnects the currently connected network.
*
* @param callbackContext A Cordova callback context
* @return true if network disconnected, false if failed
*/
private boolean disconnect(CallbackContext callbackContext) {
Log.d(TAG, "WifiWizard2: disconnect entered.");
if (wifiManager.disconnect()) {
maybeResetBindALL();
callbackContext.success("Disconnected from current network");
return true;
} else {
callbackContext.error("ERROR_DISCONNECT");
return false;
}
}
/**
* Reconnect Network
* <p>
* Reconnect to the currently active access point, if we are currently disconnected. This may
* result in the asynchronous delivery of state change events.
*/
private boolean reconnect(CallbackContext callbackContext) {
Log.d(TAG, "WifiWizard2: reconnect entered.");
if (wifiManager.reconnect()) {
callbackContext.success("Reconnected network");
return true;
} else {
callbackContext.error("ERROR_RECONNECT");
return false;
}
}
/**
* Reassociate Network
* <p>
* Reconnect to the currently active access point, even if we are already connected. This may
* result in the asynchronous delivery of state change events.
*/
private boolean reassociate(CallbackContext callbackContext) {
Log.d(TAG, "WifiWizard2: reassociate entered.");
if (wifiManager.reassociate()) {
callbackContext.success("Reassociated network");
return true;
} else {
callbackContext.error("ERROR_REASSOCIATE");
return false;
}
}
/**
* This method uses the callbackContext.success method to send a JSONArray of the currently
* configured networks.
*
* @param callbackContext A Cordova callback context
* @return true if network disconnected, false if failed
*/
private boolean listNetworks(CallbackContext callbackContext) {
Log.d(TAG, "WifiWizard2: listNetworks entered.");
@SuppressLint("MissingPermission") List<WifiConfiguration> wifiList = wifiManager.getConfiguredNetworks();
JSONArray returnList = new JSONArray();
for (WifiConfiguration wifi : wifiList) {
returnList.put(wifi.SSID);
}
callbackContext.success(returnList);
return true;
}
/**
* This method uses the callbackContext.success method to send a JSONArray of the scanned
* networks.
*
* @param callbackContext A Cordova callback context
* @param data JSONArray with [0] == JSONObject
* @return true
*/
private boolean getScanResults(CallbackContext callbackContext, JSONArray data) {
if (cordova.hasPermission(ACCESS_FINE_LOCATION)) {
List<ScanResult> scanResults = wifiManager.getScanResults();
JSONArray returnList = new JSONArray();
Integer numLevels = null;
if (!validateData(data)) {
callbackContext.error("GET_SCAN_RESULTS_INVALID_DATA");
Log.d(TAG, "WifiWizard2: getScanResults invalid data");
return false;
} else if (!data.isNull(0)) {
try {
JSONObject options = data.getJSONObject(0);
if (options.has("numLevels")) {
Integer levels = options.optInt("numLevels");
if (levels > 0) {
numLevels = levels;
} else if (options.optBoolean("numLevels", false)) {
// use previous default for {numLevels: true}
numLevels = 5;
}
}
} catch (JSONException e) {
e.printStackTrace();
callbackContext.error(e.toString());
return false;
}
}
for (ScanResult scan : scanResults) {
/*
* @todo - breaking change, remove this notice when tidying new release and explain changes, e.g.:
* 0.y.z includes a breaking change to WifiWizard2.getScanResults().
* Earlier versions set scans' level attributes to a number derived from wifiManager.calculateSignalLevel.
* This update returns scans' raw RSSI value as the level, per Android spec / APIs.
* If your application depends on the previous behaviour, we have added an options object that will modify behaviour:
* - if `(n == true || n < 2)`, `*.getScanResults({numLevels: n})` will return data as before, split in 5 levels;
* - if `(n > 1)`, `*.getScanResults({numLevels: n})` will calculate the signal level, split in n levels;
* - if `(n == false)`, `*.getScanResults({numLevels: n})` will use the raw signal level;
*/
int level;
if (numLevels == null) {
level = scan.level;
} else {
level = wifiManager.calculateSignalLevel(scan.level, numLevels);
}
JSONObject lvl = new JSONObject();
try {
lvl.put("level", level);
lvl.put("SSID", scan.SSID);
lvl.put("BSSID", scan.BSSID);
lvl.put("frequency", scan.frequency);
lvl.put("capabilities", scan.capabilities);
lvl.put("timestamp", scan.timestamp);
if (API_VERSION >= 23) { // Marshmallow
lvl.put("channelWidth", scan.channelWidth);
lvl.put("centerFreq0", scan.centerFreq0);
lvl.put("centerFreq1", scan.centerFreq1);
} else {
lvl.put("channelWidth", JSONObject.NULL);
lvl.put("centerFreq0", JSONObject.NULL);
lvl.put("centerFreq1", JSONObject.NULL);
}
returnList.put(lvl);
} catch (JSONException e) {
e.printStackTrace();
callbackContext.error(e.toString());
return false;
}
}
callbackContext.success(returnList);
return true;
} else {
requestLocationPermission(SCAN_RESULTS_CODE);
return true;
}
}
/**
* This method uses the callbackContext.success method. It starts a wifi scanning
*
* @param callbackContext A Cordova callback context
* @return true if started was successful
*/
private boolean startScan(CallbackContext callbackContext) {
if (wifiManager.startScan()) {
callbackContext.success();
return true;
} else {
callbackContext.error("STARTSCAN_FAILED");
return false;
}
}
/**
* This method returns the connected WiFi network ID (if connected)
*
* @return -1 if no network connected, or network id if connected
*/
private int getConnectedNetId() {
int networkId = -1;
WifiInfo info = wifiManager.getConnectionInfo();
if (info == null) {
Log.d(TAG, "Unable to read wifi info");
return networkId;
}
networkId = info.getNetworkId();
if (networkId == -1) {
Log.d(TAG, "NO_CURRENT_NETWORK_FOUND");
}
return networkId;
}
/**
* Get Network ID from SSID
*
* @param callbackContext A Cordova callback context
* @param data JSON Array, with [0] being SSID to connect
* @return true if network connected, false if failed
*/
private boolean getSSIDNetworkID(CallbackContext callbackContext, JSONArray data) {
Log.d(TAG, "WifiWizard2: getSSIDNetworkID entered.");
if (!validateData(data)) {
callbackContext.error("GET_SSID_INVALID_DATA");
Log.d(TAG, "WifiWizard2: getSSIDNetworkID invalid data.");
return false;
}
String ssidToGetNetworkID = "";
try {
ssidToGetNetworkID = data.getString(0);
} catch (Exception e) {
callbackContext.error(e.getMessage());
Log.d(TAG, e.getMessage());
return false;
}
int networkIdToConnect = ssidToNetworkId(ssidToGetNetworkID);
callbackContext.success(networkIdToConnect);
return true;
}
/**
* This method returns the connected WiFi network ID (if connected)
*
* @param callbackContext A Cordova callback context
* @return -1 if no network connected, or network id if connected
*/
private boolean getConnectedNetworkID(CallbackContext callbackContext) {
int networkId = getConnectedNetId();
if (networkId == -1) {
callbackContext.error("GET_CONNECTED_NET_ID_ERROR");
return false;
}
callbackContext.success(networkId);
return true;
}
/**
* This method retrieves the SSID for the currently connected network
*
* @param callbackContext A Cordova callback context
* @return true if SSID found, false if not.
*/
private boolean getConnectedSSID(CallbackContext callbackContext) {
return getWifiServiceInfo(callbackContext, false);
}
/**
* This method retrieves the BSSID for the currently connected network
*
* @param callbackContext A Cordova callback context
* @return true if SSID found, false if not.
*/
private boolean getConnectedBSSID(CallbackContext callbackContext) {
return getWifiServiceInfo(callbackContext, true);
}
/**
* This method retrieves the WifiInformation for the (SSID or BSSID) currently connected network.
*
* @param callbackContext A Cordova callback context
* @param basicIdentifier A flag to get BSSID if true or SSID if false.
* @return true if SSID found, false if not.
*/
private boolean getWifiServiceInfo(CallbackContext callbackContext, boolean basicIdentifier) {
if (API_VERSION >= 23 && !cordova.hasPermission(ACCESS_FINE_LOCATION)) { //Android 9 (Pie) or newer
requestLocationPermission(WIFI_SERVICE_INFO_CODE);
bssidRequested = basicIdentifier;
return true;
} else {
WifiInfo info = wifiManager.getConnectionInfo();
if (info == null) {
callbackContext.error("UNABLE_TO_READ_WIFI_INFO");
return false;
}
// Only return SSID or BSSID when actually connected to a network
SupplicantState state = info.getSupplicantState();
if (!state.equals(SupplicantState.COMPLETED)) {
callbackContext.error("CONNECTION_NOT_COMPLETED");
return false;
}
String serviceInfo;
if (basicIdentifier) {
serviceInfo = info.getBSSID();
} else {
serviceInfo = info.getSSID();
}
if (serviceInfo == null || serviceInfo.isEmpty() || serviceInfo == "0x") {
callbackContext.error("WIFI_INFORMATION_EMPTY");
return false;
}
// http://developer.android.com/reference/android/net/wifi/WifiInfo.html#getSSID()
if (serviceInfo.startsWith("\"") && serviceInfo.endsWith("\"")) {
serviceInfo = serviceInfo.substring(1, serviceInfo.length() - 1);
}
callbackContext.success(serviceInfo);
return true;
}
}
/**
* This method retrieves the current WiFi status
*
* @param callbackContext A Cordova callback context
* @return true if WiFi is enabled, fail will be called if not.
*/
private boolean isWifiEnabled(CallbackContext callbackContext) {
boolean isEnabled = wifiManager.isWifiEnabled();
callbackContext.success(isEnabled ? "1" : "0");
return isEnabled;
}
/**
* This method takes a given String, searches the current list of configured WiFi networks, and
* returns the networkId for the network if the SSID matches. If not, it returns -1.
*/
private int ssidToNetworkId(String ssid) {
try {
int maybeNetId = Integer.parseInt(ssid);
Log.d(TAG, "ssidToNetworkId passed SSID is integer, probably a Network ID: " + ssid);
return maybeNetId;
} catch (NumberFormatException e) {
List<WifiConfiguration> currentNetworks = wifiManager.getConfiguredNetworks();
int networkId = -1;
// For each network in the list, compare the SSID with the given one
for (WifiConfiguration test : currentNetworks) {
if (test.SSID != null && test.SSID.equals(ssid)) {
networkId = test.networkId;
}
}
return networkId;
}
}
/**
* This method enables or disables the wifi
*/
private boolean setWifiEnabled(CallbackContext callbackContext, JSONArray data) {
if (!validateData(data)) {
callbackContext.error("SETWIFIENABLED_INVALID_DATA");
Log.d(TAG, "WifiWizard2: setWifiEnabled invalid data");
return false;
}
String status = "";
try {
status = data.getString(0);
} catch (Exception e) {
callbackContext.error(e.getMessage());
Log.d(TAG, e.getMessage());
return false;
}
if (wifiManager.setWifiEnabled(status.equals("true"))) {
callbackContext.success();
return true;
} else {
callbackContext.error("ERROR_SETWIFIENABLED");
return false;
}
}
/**
* This method will check if WiFi is enabled, and enable it if not, waiting up to 10 seconds for
* it to enable
*
* @return True if wifi is enabled, false if unable to enable wifi
*/
private boolean verifyWifiEnabled() {
Log.d(TAG, "WifiWizard2: verifyWifiEnabled entered.");
if (!wifiManager.isWifiEnabled()) {
Log.i(TAG, "Enabling wi-fi...");
if (wifiManager.setWifiEnabled(true)) {
Log.i(TAG, "Wi-fi enabled");
} else {
Log.e(TAG, "VERIFY_ERROR_ENABLE_WIFI");
return false;
}
// This happens very quickly, but need to wait for it to enable. A little busy wait?
int count = 0;
while (!wifiManager.isWifiEnabled()) {
if (count >= 10) {
Log.i(TAG, "Took too long to enable wi-fi, quitting");
return false;
}
Log.i(TAG, "Still waiting for wi-fi to enable...");
try {
Thread.sleep(1000L);
} catch (InterruptedException ie) {
// continue
}
count++;
}
// If we make it this far, wifi should be enabled by now
return true;
} else {
return true;
}
}
/**
* Format and return WiFi IPv4 Address
* @return
*/
private String[] getWiFiIPAddress() {
WifiInfo wifiInfo = wifiManager.getConnectionInfo();
int ip = wifiInfo.getIpAddress();
String ipString = formatIP(ip);
String subnet = "";
try {
InetAddress inetAddress = InetAddress.getByName(ipString);
subnet = getIPv4Subnet(inetAddress);
} catch (Exception e) {
}
return new String[]{ipString, subnet};
}
/**
* Get WiFi Router IP from DHCP
* @return
*/
private String getWiFiRouterIP() {
DhcpInfo dhcp = wifiManager.getDhcpInfo();
int ip = dhcp.gateway;
return formatIP(ip);
}
/**
* Format IPv4 Address
* @param ip
* @return
*/
private String formatIP(int ip) {
return String.format(
"%d.%d.%d.%d",
(ip & 0xff),
(ip >> 8 & 0xff),
(ip >> 16 & 0xff),
(ip >> 24 & 0xff)
);
}
/**
* Get IPv4 Subnet
* @param inetAddress
* @return
*/
public static String getIPv4Subnet(InetAddress inetAddress) {
try {
NetworkInterface ni = NetworkInterface.getByInetAddress(inetAddress);
List<InterfaceAddress> intAddrs = ni.getInterfaceAddresses();
for (InterfaceAddress ia : intAddrs) {
if (!ia.getAddress().isLoopbackAddress() && ia.getAddress() instanceof Inet4Address) {
return getIPv4SubnetFromNetPrefixLength(ia.getNetworkPrefixLength()).getHostAddress()
.toString();
}
}
} catch (Exception e) {
}
return "";
}
/**
* Get Subnet from Prefix Length
* @param netPrefixLength
* @return
*/
public static InetAddress getIPv4SubnetFromNetPrefixLength(int netPrefixLength) {
try {
int shift = (1 << 31);
for (int i = netPrefixLength - 1; i > 0; i--) {
shift = (shift >> 1);
}
String subnet =
Integer.toString((shift >> 24) & 255) + "." + Integer.toString((shift >> 16) & 255) + "."
+ Integer.toString((shift >> 8) & 255) + "." + Integer.toString(shift & 255);
return InetAddress.getByName(subnet);
} catch (Exception e) {
}
return null;
}
/**
* Validate JSON data
*/
private boolean validateData(JSONArray data) {
try {
if (data == null || data.get(0) == null) {
callbackContext.error("DATA_IS_NULL");
return false;
}
return true;
} catch (Exception e) {
callbackContext.error(e.getMessage());
}
return false;
}
/**
* Request ACCESS_FINE_LOCATION Permission
* @param requestCode
*/
protected void requestLocationPermission(int requestCode) {
cordova.requestPermission(this, requestCode, ACCESS_FINE_LOCATION);
}
/**
* Handle Android Permission Requests
*/
public void onRequestPermissionResult(int requestCode, String[] permissions, int[] grantResults)
throws JSONException {
for (int r : grantResults) {
if (r == PackageManager.PERMISSION_DENIED) {
callbackContext.error( "PERMISSION_DENIED" );
return;
}
}
switch (requestCode) {
case SCAN_RESULTS_CODE:
getScanResults(callbackContext, passedData); // Call method again after permissions approved
break;
case SCAN_CODE:
scan(callbackContext, passedData); // Call method again after permissions approved
break;
case LOCATION_REQUEST_CODE:
callbackContext.success("PERMISSION_GRANTED");
break;
case WIFI_SERVICE_INFO_CODE:
getWifiServiceInfo(callbackContext, bssidRequested);
break;
}
}
/**
* Figure out what the highest priority network in the network list is and return that priority
*/
private static int getMaxWifiPriority(final WifiManager wifiManager) {
final List<WifiConfiguration> configurations = wifiManager.getConfiguredNetworks();
int maxPriority = 0;
for (WifiConfiguration config : configurations) {
if (config.priority > maxPriority) {
maxPriority = config.priority;
}
}
Log.d(TAG, "WifiWizard: Found max WiFi priority of "
+ maxPriority);
return maxPriority;
}
/**
* Check if device is connected to Internet
*/
private boolean canConnectToInternet(CallbackContext callbackContext, boolean doPing) {
try {
if ( hasInternetConnection(doPing) ) {
// Send success as 1 to return true from Promise (handled in JS)
callbackContext.success("1");
return true;
} else {
callbackContext.success("0");
return false;
}
} catch (Exception e) {
callbackContext.error(e.getMessage());
Log.d(TAG, e.getMessage());
return false;
}
}
/**
* Check if we can conenct to router via HTTP connection
*
* @param callbackContext
* @param doPing
* @return boolean
*/
private boolean canConnectToRouter(CallbackContext callbackContext, boolean doPing) {
try {
if (hasConnectionToRouter(doPing)) {
// Send success as 1 to return true from Promise (handled in JS)
callbackContext.success("1");
return true;
} else {
callbackContext.success("0");
return false;
}
} catch (Exception e) {
callbackContext.error(e.getMessage());
Log.d(TAG, e.getMessage());
return false;
}
}
/**
* Check if The Device Is Connected to Internet
*
* @return true if device connect to Internet or return false if not
*/
public boolean hasInternetConnection(boolean doPing) {
if (connectivityManager != null) {
NetworkInfo info = connectivityManager.getActiveNetworkInfo();
if (info != null) {
if (info.isConnected()) {
if( doPing ){
return pingCmd("8.8.8.8");
} else {
return isHTTPreachable("http://www.google.com/");
}
}
}
}
return false;
}
/**
* Check for connection to router by pinging router IP
* @return
*/
public boolean hasConnectionToRouter( boolean doPing ) {
String ip = getWiFiRouterIP();
if ( ip == null || ip.equals("0.0.0.0") || connectivityManager == null) {
return false;
} else {
NetworkInfo info = connectivityManager.getActiveNetworkInfo();
if (info != null && info.isConnected()) {
if( doPing ){
return pingCmd(ip);
} else {
return isHTTPreachable("http://" + ip + "/");
}
} else {
return false;
}
}
}
/**
* Check if HTTP connection to URL is reachable
*
* @param checkURL
* @return boolean
*/
public static boolean isHTTPreachable(String checkURL) {
try {
// make a URL to a known source
URL url = new URL(checkURL);
// open a connection to that source
HttpURLConnection urlConnect = (HttpURLConnection) url.openConnection();
// trying to retrieve data from the source. If there
// is no connection, this line will fail
Object objData = urlConnect.getContent();
} catch (Exception e) {
e.printStackTrace();
return false;
}
return true;
}
/**
* Method to Ping IP Address
*
* @param addr IP address you want to ping it
* @return true if the IP address is reachable
*/
public boolean pingCmd(String addr) {
try {
String ping = "ping -c 1 -W 3 " + addr;
Runtime run = Runtime.getRuntime();
Process pro = run.exec(ping);
try {
pro.waitFor();
} catch (InterruptedException e) {
Log.e(TAG, "InterruptedException error.", e);
}
int exit = pro.exitValue();
Log.d(TAG, "pingCmd exitValue" + exit);
if (exit == 0) {
return true;
} else {
// ip address is not reachable
return false;
}
} catch (UnknownHostException e) {
Log.d(TAG, "UnknownHostException: " + e.getMessage());
} catch (Exception e) {
Log.d(TAG, e.getMessage());
}
return false;
}
/**
* Network Changed Broadcast Receiver
*/
private class NetworkChangedReceiver extends BroadcastReceiver {
@Override
public void onReceive(final Context context, final Intent intent) {
if (WifiManager.NETWORK_STATE_CHANGED_ACTION.equals(intent.getAction())) {
Log.d(TAG, "NETWORK_STATE_CHANGED_ACTION");
NetworkInfo networkInfo = intent.getParcelableExtra(WifiManager.EXTRA_NETWORK_INFO);
WifiInfo info = WifiWizard2.this.wifiManager.getConnectionInfo();
// Checks that you're connected to the desired network
if (networkInfo.isConnected() && info.getNetworkId() > -1) {
final String ssid = info.getSSID().replaceAll("\"", "");
final String bssid = info.getBSSID();
Log.d(TAG, "Connected to '" + ssid + "' @ " + bssid);
// Verify the desired network ID is what we actually connected to
if ( desired != null && info.getNetworkId() == desired.apId ) {
onSuccessfulConnection();
} else {
Log.e(TAG, "Could not connect to the desired ssid: " + ssid);
}
}
}
}
}
/**
* Register Receiver for Network Changed to handle BindALL
* @param netID
*/
private void registerBindALL(int netID){
// Bind all requests to WiFi network (only necessary for Lollipop+ - API 21+)
if( API_VERSION > 21 ){
Log.d(TAG, "registerBindALL: registering net changed receiver");
desired = new AP(netID,null,null);
cordova.getActivity().getApplicationContext().registerReceiver(networkChangedReceiver, NETWORK_STATE_CHANGED_FILTER);
} else {
Log.d(TAG, "registerBindALL: API older than 21, bindall ignored.");
}
}
/**
* Maybe reset bind all after disconnect/disable
*
* This method unregisters the network changed receiver, as well as setting null for
* bindProcessToNetwork or setProcessDefaultNetwork to prevent future sockets from application
* being routed through Wifi.
*/
private void maybeResetBindALL(){
Log.d(TAG, "maybeResetBindALL");
// desired should have a value if receiver is registered
if( desired != null ){
if( API_VERSION > 21 ){
try {
// Unregister net changed receiver -- should only be registered in API versions > 21
cordova.getActivity().getApplicationContext().unregisterReceiver(networkChangedReceiver);
} catch (Exception e) {}
}
// Lollipop OS or newer
if ( API_VERSION >= 23 ) {
connectivityManager.bindProcessToNetwork(null);
} else if( API_VERSION >= 21 && API_VERSION < 23 ){
connectivityManager.setProcessDefaultNetwork(null);
}
if ( API_VERSION > 21 && networkCallback != null) {
try {
// Same behavior as releaseNetworkRequest
connectivityManager.unregisterNetworkCallback(networkCallback); // Added in API 21
} catch (Exception e) {}
}
networkCallback = null;
previous = null;
desired = null;
}
}
/**
* Will un-bind to network (use Cellular network)
*
* @param callbackContext A Cordova callback context
*/
private void resetBindAll(CallbackContext callbackContext) {
Log.d(TAG, "WifiWizard2: resetBindALL");
try {
maybeResetBindALL();
callbackContext.success("Successfully reset BindALL");
} catch (Exception e) {
Log.e(TAG, "InterruptedException error.", e);
callbackContext.error("ERROR_NO_BIND_ALL");
}
}
/**
* Will bind to network (use Wifi network)
*
* @param callbackContext A Cordova callback context
*/
private void setBindAll(CallbackContext callbackContext) {
Log.d(TAG, "WifiWizard2: setBindALL");
try {
int networkId = getConnectedNetId();
registerBindALL(networkId);
callbackContext.success("Successfully bindAll to network");
} catch (Exception e) {
Log.e(TAG, "InterruptedException error.", e);
callbackContext.error("ERROR_CANT_BIND_ALL");
}
}
/**
* Called after successful connection to WiFi when using BindAll feature
*
* This method is called by the NetworkChangedReceiver after network changed action, and confirming that we are in fact connected to wifi,
* and the wifi we're connected to, is the correct network set in enable, or connect.
*/
private void onSuccessfulConnection() {
// On Lollipop+ the OS routes network requests through mobile data
// when phone is attached to a wifi that doesn't have Internet connection
// We use the ConnectivityManager to force bind all requests from our process
// to the wifi without internet
// see https://android-developers.googleblog.com/2016/07/connecting-your-app-to-wi-fi-device.html
// Marshmallow OS or newer
if ( API_VERSION >= 23 ) {
Log.d(TAG, "BindALL onSuccessfulConnection API >= 23");
// Marshmallow (API 23+) or newer uses bindProcessToNetwork
final NetworkRequest request = new NetworkRequest.Builder()
.addTransportType(NetworkCapabilities.TRANSPORT_WIFI)
.removeCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET) //removeCapability added for hotspots without internet
.build();
networkCallback = new ConnectivityManager.NetworkCallback() {
@Override
public void onAvailable(Network network) {
if( connectivityManager.bindProcessToNetwork(network) ){
Log.d(TAG, "bindProcessToNetwork TRUE onSuccessfulConnection");
} else {
Log.d(TAG, "bindProcessToNetwork FALSE onSuccessfulConnection");
}
}
};
connectivityManager.requestNetwork(request, networkCallback);
// Only lollipop (API 21 && 22) use setProcessDefaultNetwork, API < 21 already does this by default
} else if( API_VERSION >= 21 && API_VERSION < 23 ){
Log.d(TAG, "BindALL onSuccessfulConnection API >= 21 && < 23");
// Lollipop (API 21-22) use setProcessDefaultNetwork (deprecated in API 23 - Marshmallow)
final NetworkRequest request = new NetworkRequest.Builder()
.addTransportType(NetworkCapabilities.TRANSPORT_WIFI)
.removeCapability(NetworkCapabilities.NET_CAPABILITY_INTERNET) //removeCapability addded for hotspots without internet
.build();
networkCallback = new ConnectivityManager.NetworkCallback() {
@Override
public void onAvailable(Network network) {
connectivityManager.setProcessDefaultNetwork(network);
}
};
connectivityManager.requestNetwork(request, networkCallback);
} else {
// Technically we should never reach this with older API, but just in case
Log.d(TAG, "BindALL onSuccessfulConnection API older than 21, no need to do any binding");
networkCallback = null;
previous = null;
desired = null;
}
}
/**
* Class to store finished boolean in
*/
private class ScanSyncContext {
public boolean finished = false;
}
/**
* Used for storing access point information
*/
private static class AP {
final String ssid, bssid;
final int apId;
AP(int apId, final String ssid, final String bssid) {
this.apId = apId;
this.ssid = ssid;
this.bssid = bssid;
}
}
}