mirror of https://github.com/YTVanced/VancedMicroG
248 lines
10 KiB
Java
248 lines
10 KiB
Java
/*
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* Copyright (C) 2013-2017 microG Project Team
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package org.microg.gms.location;
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import static android.Manifest.permission.ACCESS_COARSE_LOCATION;
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import static android.Manifest.permission.ACCESS_FINE_LOCATION;
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import static android.content.pm.PackageManager.PERMISSION_GRANTED;
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import static android.location.LocationManager.GPS_PROVIDER;
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import static com.google.android.gms.location.LocationRequest.PRIORITY_HIGH_ACCURACY;
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import android.Manifest;
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import android.app.PendingIntent;
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import android.content.Context;
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import android.location.Location;
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import android.location.LocationManager;
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import android.os.Binder;
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import android.os.Handler;
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import android.os.Looper;
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import android.os.RemoteException;
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import android.util.Log;
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import androidx.lifecycle.Lifecycle;
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import com.google.android.gms.common.api.Status;
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import com.google.android.gms.location.ILocationListener;
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import com.google.android.gms.location.LocationRequest;
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import com.google.android.gms.location.internal.FusedLocationProviderResult;
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import com.google.android.gms.location.internal.LocationRequestUpdateData;
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import org.microg.gms.common.PackageUtils;
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import org.microg.gms.common.Utils;
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import java.io.PrintWriter;
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import java.util.ArrayList;
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import java.util.List;
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public class GoogleLocationManager implements LocationChangeListener {
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private static final String TAG = "LocationManager";
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private static final String MOCK_PROVIDER = "mock";
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private static final long VERIFY_CURRENT_REQUESTS_INTERVAL_MS = 5000; // 5 seconds
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private static final long SWITCH_ON_FRESHNESS_CLIFF_MS = 30000; // 30 seconds
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private static final String ACCESS_MOCK_LOCATION = "android.permission.ACCESS_MOCK_LOCATION";
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private final Context context;
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private final Handler handler;
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private final Runnable verifyCurrentRequestsRunnable = this::verifyCurrentRequests;
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private final RealLocationProvider gpsProvider;
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private final MockLocationProvider mockProvider;
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private final List<LocationRequestHelper> currentRequests = new ArrayList<LocationRequestHelper>();
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public GoogleLocationManager(Context context, Lifecycle lifecycle) {
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long callingIdentity = Binder.clearCallingIdentity();
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this.context = context;
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LocationManager locationManager = (LocationManager) context.getSystemService(Context.LOCATION_SERVICE);
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if (Utils.hasSelfPermissionOrNotify(context, Manifest.permission.ACCESS_FINE_LOCATION)) {
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this.gpsProvider = new RealLocationProvider(locationManager, GPS_PROVIDER, this);
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} else {
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this.gpsProvider = null;
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}
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mockProvider = new MockLocationProvider(this);
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handler = new Handler(Looper.getMainLooper());
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Binder.restoreCallingIdentity(callingIdentity);
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}
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public void invokeOnceReady(Runnable runnable) {
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}
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public Location getLastLocation(String packageName) {
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return getLocation(hasFineLocationPermission(), hasCoarseLocationPermission());
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}
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public Location getLocation(boolean gpsPermission, boolean networkPermission) {
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if (mockProvider.getLocation() != null)
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return mockProvider.getLocation();
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return null;
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}
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private boolean hasCoarseLocationPermission() {
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return context.checkCallingPermission(ACCESS_COARSE_LOCATION) == PERMISSION_GRANTED || hasFineLocationPermission();
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}
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private boolean hasFineLocationPermission() {
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return context.checkCallingPermission(ACCESS_FINE_LOCATION) == PERMISSION_GRANTED;
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}
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private boolean hasMockLocationPermission() {
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return context.checkCallingPermission(ACCESS_MOCK_LOCATION) == PERMISSION_GRANTED;
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}
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private void requestLocationUpdates(LocationRequestHelper request) {
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LocationRequestHelper old = null;
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for (LocationRequestHelper req : currentRequests) {
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if (req.respondsTo(request.pendingIntent) || req.respondsTo(request.listener) || req.respondsTo(request.callback)) {
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old = req;
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break;
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}
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}
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if (old != null) {
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Log.d(TAG, "Removing replaced location request: " + old);
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currentRequests.remove(old);
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}
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currentRequests.add(request);
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if (gpsProvider != null && request.hasFinePermission() && request.locationRequest.getPriority() == PRIORITY_HIGH_ACCURACY) {
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Log.d(TAG, "Registering request with high accuracy location provider");
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gpsProvider.addRequest(request);
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} else if (gpsProvider != null && old != null) {
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Log.d(TAG, "Unregistering request with high accuracy location provider");
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gpsProvider.removeRequest(old);
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} else {
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Log.w(TAG, "Not providing high accuracy location: missing permission");
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}
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handler.postDelayed(this::onLocationChanged, request.locationRequest.getFastestInterval());
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}
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public void requestLocationUpdates(LocationRequest request, ILocationListener listener, String packageName) {
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requestLocationUpdates(new LocationRequestHelper(context, request, packageName, Binder.getCallingUid(), listener));
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}
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public void requestLocationUpdates(LocationRequest request, PendingIntent intent, String packageName) {
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requestLocationUpdates(new LocationRequestHelper(context, request, packageName, Binder.getCallingUid(), intent));
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}
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private void removeLocationUpdates(LocationRequestHelper request) {
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currentRequests.remove(request);
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if (gpsProvider != null) gpsProvider.removeRequest(request);
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}
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public void removeLocationUpdates(ILocationListener listener, String packageName) {
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for (int i = 0; i < currentRequests.size(); i++) {
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if (currentRequests.get(i).respondsTo(listener)) {
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removeLocationUpdates(currentRequests.get(i));
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i--;
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}
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}
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}
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public void removeLocationUpdates(PendingIntent intent, String packageName) {
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for (int i = 0; i < currentRequests.size(); i++) {
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if (currentRequests.get(i).respondsTo(intent)) {
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removeLocationUpdates(currentRequests.get(i));
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i--;
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}
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}
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}
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public void updateLocationRequest(LocationRequestUpdateData data) {
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try {
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Log.d(TAG, "updateLocationRequest: " + data);
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String packageName = PackageUtils.getCallingPackage(context);
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if (data.pendingIntent != null)
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packageName = PackageUtils.packageFromPendingIntent(data.pendingIntent);
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Log.d(TAG, "Using source package: " + packageName);
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if (data.opCode == LocationRequestUpdateData.REQUEST_UPDATES) {
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requestLocationUpdates(new LocationRequestHelper(context, packageName, Binder.getCallingUid(), data));
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} else if (data.opCode == LocationRequestUpdateData.REMOVE_UPDATES) {
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for (int i = 0; i < currentRequests.size(); i++) {
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if (currentRequests.get(i).respondsTo(data.listener)
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|| currentRequests.get(i).respondsTo(data.pendingIntent)
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|| currentRequests.get(i).respondsTo(data.callback)) {
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removeLocationUpdates(currentRequests.get(i));
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i--;
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}
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}
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}
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Log.d(TAG, "Updated current requests, verifying");
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verifyCurrentRequests();
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if (data.fusedLocationProviderCallback != null) {
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try {
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Log.d(TAG, "Send success result to " + packageName);
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data.fusedLocationProviderCallback.onFusedLocationProviderResult(FusedLocationProviderResult.SUCCESS);
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} catch (RemoteException ignored) {
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}
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}
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} catch (Exception e) {
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Log.w(TAG, "Exception in updateLocationRequest", e);
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if (data.fusedLocationProviderCallback != null) {
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try {
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Log.d(TAG, "Send internal error result");
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data.fusedLocationProviderCallback.onFusedLocationProviderResult(FusedLocationProviderResult.create(Status.INTERNAL_ERROR));
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} catch (RemoteException ignored) {
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}
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}
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}
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}
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public void setMockMode(boolean mockMode) {
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if (!hasMockLocationPermission())
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return;
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mockProvider.setMockEnabled(mockMode);
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}
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public void setMockLocation(Location mockLocation) {
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if (!hasMockLocationPermission())
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return;
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mockProvider.setLocation(mockLocation);
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}
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private void verifyCurrentRequests() {
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handler.removeCallbacks(verifyCurrentRequestsRunnable);
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try {
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for (int i = 0; i < currentRequests.size(); i++) {
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LocationRequestHelper request = currentRequests.get(i);
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if (!request.isActive()) {
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removeLocationUpdates(request);
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i--;
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}
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}
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} catch (Exception e) {
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Log.w(TAG, e);
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}
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handler.postDelayed(verifyCurrentRequestsRunnable, VERIFY_CURRENT_REQUESTS_INTERVAL_MS);
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}
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@Override
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public void onLocationChanged() {
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for (int i = 0; i < currentRequests.size(); i++) {
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LocationRequestHelper request = currentRequests.get(i);
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if (!request.report(getLocation(request.initialHasFinePermission, request.initialHasCoarsePermission))) {
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removeLocationUpdates(request);
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i--;
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}
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}
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}
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public void dump(PrintWriter writer) {
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if (gpsProvider != null) gpsProvider.dump(writer);
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writer.println(currentRequests.size() + " requests:");
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for (LocationRequestHelper request : currentRequests) {
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writer.println(" " + request.id + " package=" + request.packageName + " interval=" + request.locationRequest.getInterval() + " smallestDisplacement=" + request.locationRequest.getSmallestDisplacement());
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}
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}
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}
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