2-Simplify sources modules tree

2 files changed, 229 insertions, 0 deletions

diff --git a/fakelocation/src/main/java/foundation/e/privacymodules/fakelocation/FakeLocationModule.kt b/fakelocation/src/main/java/foundation/e/privacymodules/fakelocation/FakeLocationModule.kt
new file mode 100644
index 0000000..43a4545
--- /dev/null
+++ b/fakelocation/src/main/java/foundation/e/privacymodules/fakelocation/FakeLocationModule.kt
@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2022 E FOUNDATION
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package foundation.e.privacymodules.fakelocation
+
+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) {
+
+    /**
+     * 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
+     */
+    @Synchronized
+    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)
+        }
+    }
+
+    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
+     */
+    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.")
+            }
+        }
+    }
+}
diff --git a/fakelocation/src/main/java/foundation/e/privacymodules/fakelocation/FakeLocationService.kt b/fakelocation/src/main/java/foundation/e/privacymodules/fakelocation/FakeLocationService.kt
new file mode 100644
index 0000000..1337ddd
--- /dev/null
+++ b/fakelocation/src/main/java/foundation/e/privacymodules/fakelocation/FakeLocationService.kt
@@ -0,0 +1,112 @@
+/*
+ * Copyright (C) 2022 E FOUNDATION
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package foundation.e.privacymodules.fakelocation
+
+
+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 (it.action?.let { str -> Actions.valueOf(str) }) {
+                Actions.START_FAKE_LOCATION -> {
+
+                    fakeLocation = Pair(
+                        it.getDoubleExtra(PARAM_LATITUDE, 0.0),
+                        it.getDoubleExtra(PARAM_LONGITUDE, 0.0)
+                    )
+                    initTimer()
+                }
+                else -> {}
+            }
+        }
+
+        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
+    }
+}