Embed fake location module (e74201e3) · Commits · e / os / PrivacyModuleE

eprivacymoduledemo/README.md

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		@@ -26,6 +26,8 @@ PrivacyCentral needs to be installed as system app and whitelisting in order to
		```bash
		adb push privapp-permissions-foundation.e.eprivacymoduledemo.xml /system/etc/permissions/
		```
		1. Allow the fake location service to run in background. Add <allow-in-power-save package="foundation.e.privacymoduledemo" /> in the file /system/etc/permissions/platform.xml .

		1. Reboot the device
		```shell
		adb reboot

privacymodulese/build.gradle

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		@@ -10,7 +10,7 @@ android {
		minSdkVersion 24
		targetSdkVersion 29
		versionCode 3
		versionName "0.3.2"
		versionName "0.4.1"
		consumerProguardFiles "consumer-rules.pro"
		}

privacymodulese/src/main/java/foundation/e/privacymodules/location/FakeLocationModule.kt

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		package foundation.e.privacymodules.location

		import android.content.Context
		import android.content.Context.LOCATION_SERVICE
		import android.location.Criteria
		import android.location.Location
		import android.location.LocationManager
		import android.os.Build
		import android.os.SystemClock
		import android.util.Log

		/**
		* Implementation of the functionality of fake location.
		* All of them are available for normal application, so just one version is enough.
		*
		* @param context an Android context, to retrieve system services for example.
		*/
		class FakeLocationModule(protected val context: Context): IFakeLocationModule {

		/**
		* List of all the Location provider that will be mocked.
		*/
		private val providers = listOf(LocationManager.NETWORK_PROVIDER, LocationManager.GPS_PROVIDER)

		/**
		* Handy accessor to the locationManager service.
		* We avoid getting it on module initialization to wait for the context to be ready.
		*/
		private val locationManager: LocationManager get() =
		context.getSystemService(LOCATION_SERVICE) as LocationManager

		/**
		* @see IFakeLocationModule.startFakeLocation
		*/
		override fun startFakeLocation() {
		providers.forEach { provider ->
		try {
		locationManager.removeTestProvider(provider)
		} catch(e: Exception) {
		Log.d("FakeLocationModule", "Test provider $provider already removed.")
		}

		locationManager.addTestProvider(
		provider,
		false,
		false,
		false,
		false,
		false,
		true,
		true,
		Criteria.POWER_LOW, Criteria.ACCURACY_FINE)
		locationManager.setTestProviderEnabled(provider, true)
		}
		}

		override fun setFakeLocation(latitude: Double, longitude: Double) {
		context.startService(FakeLocationService.buildFakeLocationIntent(context, latitude, longitude))
		}

		internal fun setTestProviderLocation(latitude: Double, longitude: Double) {
		providers.forEach { provider ->
		val location = Location(provider)
		location.latitude = latitude
		location.longitude = longitude

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

		locationManager.setTestProviderLocation(provider, location)
		}
		}

		/**
		* @see IFakeLocationModule.stopFakeLocation
		*/
		override fun stopFakeLocation() {
		context.stopService(FakeLocationService.buildStopIntent(context))
		providers.forEach { provider ->
		try {
		locationManager.setTestProviderEnabled(provider, false)
		locationManager.removeTestProvider(provider)
		} catch (e: Exception) {
		Log.d("FakeLocationModule", "Test provider $provider already removed.")
		}
		}
		}
		}

privacymodulese/src/main/java/foundation/e/privacymodules/location/FakeLocationService.kt

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		package foundation.e.privacymodules.location


		import android.app.Service
		import android.content.Context
		import android.content.Intent
		import android.os.CountDownTimer
		import android.os.IBinder
		import android.util.Log

		class FakeLocationService: Service() {

		enum class Actions {
		START_FAKE_LOCATION
		}

		companion object {
		private const val PERIOD_LOCATION_UPDATE = 1000L
		private const val PERIOD_UPDATES_SERIE = 2 * 60 * 1000L

		private const val PARAM_LATITUDE = "PARAM_LATITUDE"
		private const val PARAM_LONGITUDE = "PARAM_LONGITUDE"

		fun buildFakeLocationIntent(context: Context, latitude: Double, longitude: Double): Intent {
		return Intent(context, FakeLocationService::class.java).apply {
		action = Actions.START_FAKE_LOCATION.name
		putExtra(PARAM_LATITUDE, latitude)
		putExtra(PARAM_LONGITUDE, longitude)
		}
		}

		fun buildStopIntent(context: Context) = Intent(context, FakeLocationService::class.java)
		}

		private lateinit var fakeLocationModule: FakeLocationModule

		private var countDownTimer: CountDownTimer? = null

		private var fakeLocation: Pair<Double, Double>? = null

		override fun onCreate() {
		super.onCreate()
		fakeLocationModule = FakeLocationModule(applicationContext)
		}

		override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
		intent?.let {
		when (Actions.valueOf(it.action)) {
		Actions.START_FAKE_LOCATION -> {

		fakeLocation = Pair(
		it.getDoubleExtra(PARAM_LATITUDE, 0.0),
		it.getDoubleExtra(PARAM_LONGITUDE, 0.0)
		)
		initTimer()
		}
		}
		}

		return START_STICKY
		}

		override fun onDestroy() {
		countDownTimer?.cancel()
		super.onDestroy()
		}


		private fun initTimer() {
		countDownTimer?.cancel()
		countDownTimer = object: CountDownTimer(PERIOD_UPDATES_SERIE, PERIOD_LOCATION_UPDATE) {
		override fun onTick(millisUntilFinished: Long) {
		fakeLocation?.let {
		try {
		fakeLocationModule.setTestProviderLocation(
		it.first,
		it.second
		)
		} catch (e: Exception) {
		Log.d("FakeLocationService", "setting fake location", e)
		}
		}
		}

		override fun onFinish() {
		initTimer()
		}
		}.start()
		}

		override fun onBind(intent: Intent?): IBinder? {
		return null
		}
		}