epic18: Manage VPN services for Tor or Tracker control

3 files changed, 0 insertions, 215 deletions

diff --git a/trackersservicee/src/main/java/foundation/e/advancedprivacy/trackers/service/DNSBlocker.kt b/trackersservicee/src/main/java/foundation/e/advancedprivacy/trackers/service/DNSBlocker.kt
deleted file mode 100644
index 6a2b218..0000000
--- a/trackersservicee/src/main/java/foundation/e/advancedprivacy/trackers/service/DNSBlocker.kt
+++ /dev/null
@@ -1,104 +0,0 @@
-/*
- * Copyright (C) 2023 MURENA SAS
- * 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.advancedprivacy.trackers.service
-
-import android.net.LocalServerSocket
-import android.system.ErrnoException
-import android.system.Os
-import android.system.OsConstants
-import foundation.e.advancedprivacy.core.utils.runSuspendCatching
-import foundation.e.advancedprivacy.trackers.domain.usecases.FilterHostnameUseCase
-import kotlinx.coroutines.CancellationException
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.Job
-import kotlinx.coroutines.isActive
-import kotlinx.coroutines.launch
-import timber.log.Timber
-import java.io.BufferedReader
-import java.io.InputStreamReader
-import java.io.PrintWriter
-
-class DNSBlocker(
-    val filterHostnameUseCase: FilterHostnameUseCase
-) {
-    private var resolverReceiver: LocalServerSocket? = null
-
-    companion object {
-        private const val SOCKET_NAME = "foundation.e.advancedprivacy"
-    }
-
-    private fun closeSocket() {
-        // Known bug and workaround that LocalServerSocket::close is not working well
-        // https://issuetracker.google.com/issues/36945762
-        if (resolverReceiver != null) {
-            try {
-                Os.shutdown(resolverReceiver!!.fileDescriptor, OsConstants.SHUT_RDWR)
-                resolverReceiver!!.close()
-                resolverReceiver = null
-            } catch (e: ErrnoException) {
-                if (e.errno != OsConstants.EBADF) {
-                    Timber.w("Socket already closed")
-                } else {
-                    Timber.e(e, "Exception: cannot close DNS port on stop $SOCKET_NAME !")
-                }
-            } catch (e: Exception) {
-                Timber.e(e, "Exception: cannot close DNS port on stop $SOCKET_NAME !")
-            }
-        }
-    }
-
-    fun listenJob(scope: CoroutineScope): Job = scope.launch(Dispatchers.IO) {
-        val resolverReceiver = runSuspendCatching {
-            LocalServerSocket(SOCKET_NAME)
-        }.getOrElse {
-            Timber.e(it, "Exception: cannot open DNS port on $SOCKET_NAME")
-            return@launch
-        }
-
-        this@DNSBlocker.resolverReceiver = resolverReceiver
-        Timber.d("DNSFilterProxy running on port $SOCKET_NAME")
-
-        while (isActive) {
-            runSuspendCatching {
-                val socket = resolverReceiver.accept()
-                val reader = BufferedReader(InputStreamReader(socket.inputStream))
-                val line = reader.readLine()
-                val params = line.split(",").toTypedArray()
-                val output = socket.outputStream
-                val writer = PrintWriter(output, true)
-                val domainName = params[0]
-                val appUid = params[1].toInt()
-                if (filterHostnameUseCase.shouldBlock(domainName, appUid)) {
-                    writer.println("block")
-                } else {
-                    writer.println("pass")
-                }
-                socket.close()
-            }.onFailure {
-                if (it is CancellationException) {
-                    closeSocket()
-                    throw it
-                } else {
-                    Timber.w(it, "Exception while listening DNS resolver")
-                }
-            }
-        }
-    }
-}
diff --git a/trackersservicee/src/main/java/foundation/e/advancedprivacy/trackers/service/TrackersService.kt b/trackersservicee/src/main/java/foundation/e/advancedprivacy/trackers/service/TrackersService.kt
deleted file mode 100644
index 5f573b0..0000000
--- a/trackersservicee/src/main/java/foundation/e/advancedprivacy/trackers/service/TrackersService.kt
+++ /dev/null
@@ -1,58 +0,0 @@
-/*
- * Copyright (C) 2023 MURENA SAS
- * Copyright (C) 2021 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.advancedprivacy.trackers.service
-
-import android.app.Service
-import android.content.Intent
-import android.os.IBinder
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
-import kotlinx.coroutines.cancel
-import org.koin.java.KoinJavaComponent.get
-
-class TrackersService : Service() {
-    companion object {
-        const val ACTION_START = "foundation.e.privacymodules.trackers.intent.action.START"
-
-        var coroutineScope = CoroutineScope(Dispatchers.IO)
-    }
-
-    override fun onBind(intent: Intent): IBinder? {
-        throw UnsupportedOperationException("Not yet implemented")
-    }
-
-    override fun onStartCommand(intent: Intent?, flags: Int, startId: Int): Int {
-        if (ACTION_START == intent?.action) {
-            stop()
-            start()
-        }
-        return START_REDELIVER_INTENT
-    }
-
-    private fun start() {
-        coroutineScope = CoroutineScope(Dispatchers.IO)
-        get<DNSBlocker>(DNSBlocker::class.java).apply {
-            filterHostnameUseCase.writeLogJob(coroutineScope)
-            listenJob(coroutineScope)
-        }
-    }
-
-    private fun stop() {
-        kotlin.runCatching { coroutineScope.cancel() }
-    }
-}
diff --git a/trackersservicee/src/main/java/foundation/e/advancedprivacy/trackers/service/TrackersServiceSupervisorImpl.kt b/trackersservicee/src/main/java/foundation/e/advancedprivacy/trackers/service/TrackersServiceSupervisorImpl.kt
deleted file mode 100644
index dcdf0d4..0000000
--- a/trackersservicee/src/main/java/foundation/e/advancedprivacy/trackers/service/TrackersServiceSupervisorImpl.kt
+++ /dev/null
@@ -1,53 +0,0 @@
-/*
- * Copyright (C) 2023 MURENA SAS
- *
- * 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.advancedprivacy.trackers.service
-
-import android.content.Context
-import android.content.Intent
-import foundation.e.advancedprivacy.trackers.domain.externalinterfaces.TrackersServiceSupervisor
-import foundation.e.advancedprivacy.trackers.service.TrackersService.Companion.ACTION_START
-import kotlinx.coroutines.isActive
-import org.koin.core.module.dsl.bind
-import org.koin.core.module.dsl.factoryOf
-import org.koin.core.module.dsl.singleOf
-import org.koin.dsl.module
-
-class TrackersServiceSupervisorImpl(private val context: Context) : TrackersServiceSupervisor {
-
-    override fun start(): Boolean {
-        val intent = Intent(context, TrackersService::class.java)
-        intent.action = ACTION_START
-        return context.startService(intent) != null
-    }
-
-    override fun stop(): Boolean {
-        return context.stopService(Intent(context, TrackersService::class.java))
-    }
-
-    override fun isRunning(): Boolean {
-        return TrackersService.coroutineScope.isActive
-    }
-
-    override val dnsFilterForIpScrambling = null
-}
-
-val trackerServiceModule = module {
-    factoryOf(::DNSBlocker)
-    singleOf(::TrackersServiceSupervisorImpl) {
-        bind<TrackersServiceSupervisor>()
-    }
-}