feat:8489: Quickly return fake location. (4f21765d) · Commits · e / os / GmsCore

play-services-location/core/src/main/kotlin/org/microg/gms/location/manager/FakeLocationResolver.kt

+32 −0

Original line number	Diff line number	Diff line
		@@ -3,7 +3,9 @@ package org.microg.gms.location.manager
		import android.content.Context
		import android.location.Location
		import android.net.Uri
		import android.os.Build
		import android.os.Bundle
		import android.os.SystemClock
		import com.google.android.gms.location.internal.ClientIdentity

		object FakeLocationResolver {
		@@ -13,6 +15,8 @@ object FakeLocationResolver {
		private val PARAM_LATITUDE = "latitude"
		private val PARAM_LONGITUDE = "longitude"

		private val FAKE_LOCATION_PROVIDER = "fused"

		private data class FakeLocation(var latitude: Double, var longitude: Double)

		fun fakeLocation(
		@@ -26,6 +30,34 @@ object FakeLocationResolver {
		return overrideLatLon(baseLocation, latLon)
		}

		fun buildFakeLocation(
		context: Context,
		identity: ClientIdentity,
		): Location? {
		val latLon = getFakeLocation(context, identity.packageName, identity.uid)
		?: return null

		val location = Location(FAKE_LOCATION_PROVIDER)
		location.latitude = latLon.latitude
		location.longitude = latLon.longitude

		// Set default value for all the other required fields.
		location.accuracy = 3f
		location.altitude = 3.0
		location.bearing = 1f
		location.speed = 0.01f
		location.time = System.currentTimeMillis()
		location.elapsedRealtimeNanos = SystemClock.elapsedRealtimeNanos()

		if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {
		location.bearingAccuracyDegrees = 0.1f
		location.verticalAccuracyMeters = 0.1f
		location.speedAccuracyMetersPerSecond = 0.01f
		}

		return location
		}

		private fun getFakeLocation(context: Context, packageName: String, uid: Int): FakeLocation? {
		return runCatching {
		context.contentResolver.call(

play-services-location/core/src/main/kotlin/org/microg/gms/location/manager/LocationManager.kt

+1 −6

Original line number	Diff line number	Diff line
		@@ -82,7 +82,7 @@ class LocationManager(private val context: Context, override val lifecycle: Life
		val permissionGranularity = context.granularityFromPermission(clientIdentity)
		var effectiveGranularity = getEffectiveGranularity(request.granularity, permissionGranularity)
		if (effectiveGranularity == GRANULARITY_FINE && database.getForceCoarse(clientIdentity.packageName) && !clientIdentity.isSelfUser()) effectiveGranularity = GRANULARITY_COARSE
		val baseLocation = if (effectiveGranularity > permissionGranularity) {
		val returnedLocation = if (effectiveGranularity > permissionGranularity) {
		// No last location available at requested granularity due to lack of permission
		null
		} else {
		@@ -99,11 +99,6 @@ class LocationManager(private val context: Context, override val lifecycle: Life
		processedLocation
		}
		}

		val returnedLocation = baseLocation?.let {
		FakeLocationResolver.fakeLocation(context, clientIdentity, it)
		}

		if (!clientIdentity.isSelfUser()) database.noteAppLocation(clientIdentity.packageName, returnedLocation)
		return returnedLocation?.let { Location(it).apply { provider = "fused" } }
		}

play-services-location/core/src/main/kotlin/org/microg/gms/location/manager/LocationManagerInstance.kt

+48 −14

Original line number	Diff line number	Diff line
		@@ -164,6 +164,13 @@ class LocationManagerInstance(
		scope.cancel()
		}
		}

		val fakeLocation = FakeLocationResolver.buildFakeLocation(context, clientIdentity)
		if (fakeLocation != null) {
		launch {
		callbackForRequest.onLocationResult(LocationResult.create(listOf(fakeLocation)))
		}
		} else {
		val currentLocationRequest = LocationRequest.Builder(request.priority, 1000)
		.setGranularity(request.granularity)
		.setMaxUpdateAgeMillis(request.maxUpdateAgeMillis)
		@@ -173,6 +180,7 @@ class LocationManagerInstance(
		.setThrottleBehavior(request.throttleBehavior)
		.build()
		locationManager.addBinderRequest(clientIdentity, binderIdentity, callbackForRequest, currentLocationRequest)
		}
		awaitCancellation()
		} catch (e: CancellationException) {
		// Don't send result. Either this was cancelled from the CancelToken or because a location was retrieved.
		@@ -204,7 +212,12 @@ class LocationManagerInstance(
		val clientIdentity = getClientIdentity()
		lifecycleScope.launchWhenStarted {
		try {
		val fakeLocation = FakeLocationResolver.buildFakeLocation(context, clientIdentity)
		if (fakeLocation != null) {
		callback.onLocationStatus(Status.SUCCESS, fakeLocation)
		} else {
		callback.onLocationStatus(Status.SUCCESS, locationManager.getLastLocation(clientIdentity, request))
		}
		} catch (e: Exception) {
		try {
		callback.onLocationStatus(Status(CommonStatusCodes.ERROR, e.message), null)
		@@ -303,8 +316,16 @@ class LocationManagerInstance(
		val clientIdentity = getClientIdentity()
		lifecycleScope.launchWhenStarted {
		try {
		val fakeLocation = FakeLocationResolver.buildFakeLocation(context, clientIdentity)
		if (fakeLocation != null) {
		statusCallback.onResult(Status.SUCCESS)
		launch {
		callback.onLocationResult(LocationResult.create(listOf(fakeLocation)))
		}
		} else {
		locationManager.updateBinderRequest(clientIdentity, oldBinder, binder, callback, request)
		statusCallback.onResult(Status.SUCCESS)
		}
		} catch (e: Exception) {
		try {
		statusCallback.onResult(Status(CommonStatusCodes.ERROR, e.message))
		@@ -321,8 +342,21 @@ class LocationManagerInstance(
		val clientIdentity = getClientIdentity()
		lifecycleScope.launchWhenStarted {
		try {
		val fakeLocation = FakeLocationResolver.buildFakeLocation(context, clientIdentity)
		if (fakeLocation != null) {
		statusCallback.onResult(Status.SUCCESS)
		launch {
		pendingIntent.send(context, 0, Intent().apply {
		putExtra(
		LocationResult.EXTRA_LOCATION_RESULT,
		LocationResult.create(listOf(fakeLocation))
		)
		})
		}
		} else {
		locationManager.addIntentRequest(clientIdentity, pendingIntent, request)
		statusCallback.onResult(Status.SUCCESS)
		}
		} catch (e: Exception) {
		try {
		statusCallback.onResult(Status(CommonStatusCodes.ERROR, e.message))