feat: zip file import export

Added support for importing zip files containing multiple config files.
Closes #33

Added support for exporting all config files to downloads folder as a zip with biometric or security pin approval.

Added support for editing or viewing private key with biometric or security pin approval.

Fixed a bug where VPN status indicator functionality was unintentionally disabled.

Other various enhancements and refactors.

app/build.gradle.kts

@@ -14,8 +14,8 @@ android {
         applicationId = "com.zaneschepke.wireguardautotunnel"
         minSdk = 26
         targetSdk = 34
-        versionCode = 31300
-        versionName = "3.1.3"
+        versionCode = 31400
+        versionName = "3.1.4"
 
         multiDexEnabled = true
 
@@ -128,6 +128,9 @@ dependencies {
 
     //lifecycle
     implementation(libs.lifecycle.runtime.compose)
+    implementation(libs.androidx.lifecycle.runtime.ktx)
+    implementation(libs.androidx.lifecycle.process)
+
 
     //icons
     implementation(libs.material.icons.extended)
@@ -142,4 +145,8 @@ dependencies {
     //barcode scanning
     implementation(libs.zxing.android.embedded)
     implementation(libs.zxing.core)
+
+    //bio
+    implementation(libs.androidx.biometric.ktx)
+
 }

app/src/main/AndroidManifest.xml

@@ -4,6 +4,10 @@
     <uses-permission android:name="android.permission.INTERNET" />
     <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"
         android:maxSdkVersion="32" />
+    <uses-permission
+        android:name="android.permission.WRITE_EXTERNAL_STORAGE"
+        android:maxSdkVersion="32"
+        tools:ignore="ScopedStorage" />
     <uses-permission android:name="android.permission.ACCESS_WIFI_STATE"
         android:maxSdkVersion="30"
         tools:ignore="LeanbackUsesWifi" />

app/src/main/java/com/zaneschepke/wireguardautotunnel/Constants.kt

@@ -8,7 +8,8 @@ object Constants {
     const val FADE_IN_ANIMATION_DURATION = 1000
     const val SLIDE_IN_ANIMATION_DURATION = 500
     const val SLIDE_IN_TRANSITION_OFFSET = 1000
-    const val VALID_FILE_EXTENSION = ".conf"
+    const val CONF_FILE_EXTENSION = ".conf"
+    const val ZIP_FILE_EXTENSION = ".zip"
     const val URI_CONTENT_SCHEME = "content"
     const val URI_PACKAGE_SCHEME = "package"
     const val ALLOWED_FILE_TYPES = "*/*"

app/src/main/java/com/zaneschepke/wireguardautotunnel/Extensions.kt

@@ -0,0 +1,24 @@
+package com.zaneschepke.wireguardautotunnel
+
+import android.content.BroadcastReceiver
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.launch
+import kotlin.coroutines.CoroutineContext
+import kotlin.coroutines.EmptyCoroutineContext
+
+fun BroadcastReceiver.goAsync(
+    context: CoroutineContext = EmptyCoroutineContext,
+    block: suspend CoroutineScope.() -> Unit
+) {
+    val pendingResult = goAsync()
+    @OptIn(DelicateCoroutinesApi::class) // Must run globally; there's no teardown callback.
+    GlobalScope.launch(context) {
+        try {
+            block()
+        } finally {
+            pendingResult.finish()
+        }
+    }
+}

app/src/main/java/com/zaneschepke/wireguardautotunnel/WireGuardAutoTunnel.kt

@@ -3,6 +3,8 @@ package com.zaneschepke.wireguardautotunnel
 import android.app.Application
 import android.content.Context
 import android.content.pm.PackageManager
+import androidx.lifecycle.ProcessLifecycleOwner
+import androidx.lifecycle.lifecycleScope
 import com.zaneschepke.wireguardautotunnel.repository.SettingsDoa
 import com.zaneschepke.wireguardautotunnel.repository.model.Settings
 import dagger.hilt.android.HiltAndroidApp
@@ -27,13 +29,17 @@ class WireGuardAutoTunnel : Application() {
     }
 
     private fun initSettings() {
-        CoroutineScope(Dispatchers.IO).launch {
-            if(settingsRepo.getAll().isEmpty()) {
-                settingsRepo.save(Settings())
+        with(ProcessLifecycleOwner.get()) {
+            lifecycleScope.launch {
+                if(settingsRepo.getAll().isEmpty()) {
+                    settingsRepo.save(Settings())
+                }
             }
         }
     }
 
+
+
     companion object {
         fun isRunningOnAndroidTv(context : Context) : Boolean {
             return context.packageManager.hasSystemFeature(PackageManager.FEATURE_LEANBACK)

app/src/main/java/com/zaneschepke/wireguardautotunnel/receiver/BootReceiver.kt

@@ -3,13 +3,11 @@ package com.zaneschepke.wireguardautotunnel.receiver
 import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
+import com.zaneschepke.wireguardautotunnel.goAsync
 import com.zaneschepke.wireguardautotunnel.repository.SettingsDoa
 import com.zaneschepke.wireguardautotunnel.service.foreground.ServiceManager
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.cancel
-import kotlinx.coroutines.launch
 import javax.inject.Inject
 
 @AndroidEntryPoint
@@ -18,20 +16,18 @@ class BootReceiver : BroadcastReceiver() {
     @Inject
     lateinit var settingsRepo : SettingsDoa
 
-    override fun onReceive(context: Context, intent: Intent) {
+    override fun onReceive(context: Context, intent: Intent) = goAsync {
         if (intent.action == Intent.ACTION_BOOT_COMPLETED) {
-            CoroutineScope(Dispatchers.IO).launch {
-                try {
-                    val settings = settingsRepo.getAll()
-                    if (settings.isNotEmpty()) {
-                        val setting = settings.first()
-                        if (setting.isAutoTunnelEnabled && setting.defaultTunnel != null) {
-                            ServiceManager.startWatcherService(context, setting.defaultTunnel!!)
-                        }
+            try {
+                val settings = settingsRepo.getAll()
+                if (settings.isNotEmpty()) {
+                    val setting = settings.first()
+                    if (setting.isAutoTunnelEnabled && setting.defaultTunnel != null) {
+                        ServiceManager.startWatcherService(context, setting.defaultTunnel!!)
                     }
-                } finally {
-                    cancel()
                 }
+            } finally {
+                cancel()
             }
         }
     }

app/src/main/java/com/zaneschepke/wireguardautotunnel/receiver/NotificationActionReceiver.kt

@@ -4,36 +4,32 @@ import android.content.BroadcastReceiver
 import android.content.Context
 import android.content.Intent
 import com.zaneschepke.wireguardautotunnel.Constants
+import com.zaneschepke.wireguardautotunnel.goAsync
 import com.zaneschepke.wireguardautotunnel.repository.SettingsDoa
 import com.zaneschepke.wireguardautotunnel.service.foreground.ServiceManager
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.CoroutineScope
-import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.cancel
 import kotlinx.coroutines.delay
-import kotlinx.coroutines.launch
 import javax.inject.Inject
 
 @AndroidEntryPoint
 class NotificationActionReceiver : BroadcastReceiver() {
 
     @Inject
     lateinit var settingsRepo : SettingsDoa
-    override fun onReceive(context: Context, intent: Intent?) {
-        CoroutineScope(Dispatchers.IO).launch {
-            try {
-                val settings = settingsRepo.getAll()
-                if (settings.isNotEmpty()) {
-                    val setting = settings.first()
-                    if (setting.defaultTunnel != null) {
-                        ServiceManager.stopVpnService(context)
-                        delay(Constants.TOGGLE_TUNNEL_DELAY)
-                        ServiceManager.startVpnService(context, setting.defaultTunnel.toString())
-                    }
+    override fun onReceive(context: Context, intent: Intent?) = goAsync {
+        try {
+            val settings = settingsRepo.getAll()
+            if (settings.isNotEmpty()) {
+                val setting = settings.first()
+                if (setting.defaultTunnel != null) {
+                    ServiceManager.stopVpnService(context)
+                    delay(Constants.TOGGLE_TUNNEL_DELAY)
+                    ServiceManager.startVpnService(context, setting.defaultTunnel.toString())
                 }
-            } finally {
-                cancel()
             }
+        } finally {
+            cancel()
         }
     }
 }

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/foreground/WireGuardTunnelService.kt

@@ -3,6 +3,7 @@ package com.zaneschepke.wireguardautotunnel.service.foreground
 import android.app.PendingIntent
 import android.content.Intent
 import android.os.Bundle
+import androidx.lifecycle.compose.collectAsStateWithLifecycle
 import androidx.lifecycle.lifecycleScope
 import com.zaneschepke.wireguardautotunnel.R
 import com.zaneschepke.wireguardautotunnel.receiver.NotificationActionReceiver
@@ -50,24 +51,26 @@ class WireGuardTunnelService : ForegroundService() {
         val tunnelConfigString = extras?.getString(getString(R.string.tunnel_extras_key))
         cancelJob()
         job = lifecycleScope.launch(Dispatchers.IO) {
-            if(tunnelConfigString != null) {
-                try {
-                    val tunnelConfig = TunnelConfig.from(tunnelConfigString)
-                    tunnelName = tunnelConfig.name
-                    vpnService.startTunnel(tunnelConfig)
-                } catch (e : Exception) {
-                    Timber.e("Problem starting tunnel: ${e.message}")
-                    stopService(extras)
-                }
-            } else {
-                Timber.d("Tunnel config null, starting default tunnel")
-                val settings = settingsRepo.getAll();
-                if(settings.isNotEmpty()) {
-                    val setting = settings[0]
-                    if(setting.defaultTunnel != null && setting.isAlwaysOnVpnEnabled) {
-                        val tunnelConfig = TunnelConfig.from(setting.defaultTunnel!!)
+            launch {
+                if(tunnelConfigString != null) {
+                    try {
+                        val tunnelConfig = TunnelConfig.from(tunnelConfigString)
                         tunnelName = tunnelConfig.name
                         vpnService.startTunnel(tunnelConfig)
+                    } catch (e : Exception) {
+                        Timber.e("Problem starting tunnel: ${e.message}")
+                        stopService(extras)
+                    }
+                } else {
+                    Timber.d("Tunnel config null, starting default tunnel")
+                    val settings = settingsRepo.getAll();
+                    if(settings.isNotEmpty()) {
+                        val setting = settings[0]
+                        if(setting.defaultTunnel != null && setting.isAlwaysOnVpnEnabled) {
+                            val tunnelConfig = TunnelConfig.from(setting.defaultTunnel!!)
+                            tunnelName = tunnelConfig.name
+                            vpnService.startTunnel(tunnelConfig)
+                        }
                     }
                 }
             }
@@ -141,7 +144,8 @@ class WireGuardTunnelService : ForegroundService() {
         val notification = notificationService.createNotification(
             channelId = getString(R.string.vpn_channel_id),
             channelName = getString(R.string.vpn_channel_name),
-            action = PendingIntent.getBroadcast(this,0,Intent(this, NotificationActionReceiver::class.java),PendingIntent.FLAG_IMMUTABLE),
+            action = PendingIntent.getBroadcast(this,0,
+                Intent(this, NotificationActionReceiver::class.java),PendingIntent.FLAG_IMMUTABLE),
             actionText = getString(R.string.restart),
             title = getString(R.string.vpn_connection_failed),
             onGoing = false,

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/shortcut/ShortcutsActivity.kt

@@ -2,6 +2,7 @@ package com.zaneschepke.wireguardautotunnel.service.shortcut
 
 import android.os.Bundle
 import androidx.activity.ComponentActivity
+import androidx.lifecycle.lifecycleScope
 import com.zaneschepke.wireguardautotunnel.repository.SettingsDoa
 import com.zaneschepke.wireguardautotunnel.repository.TunnelConfigDao
 import com.zaneschepke.wireguardautotunnel.repository.model.Settings
@@ -27,10 +28,9 @@ class ShortcutsActivity : ComponentActivity() {
     @Inject
     lateinit var tunnelConfigRepo : TunnelConfigDao
 
-    private val scope = CoroutineScope(Dispatchers.Main);
 
     private fun attemptWatcherServiceToggle(tunnelConfig : String) {
-        scope.launch {
+        lifecycleScope.launch(Dispatchers.Main) {
             val settings = getSettings()
             if(settings.isAutoTunnelEnabled) {
                 ServiceManager.toggleWatcherServiceForeground(this@ShortcutsActivity, tunnelConfig)
@@ -42,7 +42,7 @@ class ShortcutsActivity : ComponentActivity() {
         super.onCreate(savedInstanceState)
         if(intent.getStringExtra(CLASS_NAME_EXTRA_KEY)
             .equals(WireGuardTunnelService::class.java.simpleName)) {
-            scope.launch {
+            lifecycleScope.launch(Dispatchers.Main) {
                 try {
                     val settings = getSettings()
                     val tunnelConfig = if(settings.defaultTunnel == null) {
@@ -63,11 +63,6 @@ class ShortcutsActivity : ComponentActivity() {
         finish()
     }
 
-    override fun onDestroy() {
-        super.onDestroy()
-        scope.cancel()
-    }
-
     private suspend fun getSettings() : Settings {
         val settings = settingsRepo.getAll()
         return if (settings.isNotEmpty()) {

app/src/main/java/com/zaneschepke/wireguardautotunnel/service/tunnel/WireGuardTunnel.kt

@@ -78,7 +78,6 @@ class WireGuardTunnel @Inject constructor(private val backend : Backend,
             if(getState() == Tunnel.State.UP) {
                 val state = backend.setState(this, Tunnel.State.DOWN, null)
                 _state.emit(state)
-                scope.cancel()
             }
         } catch (e : BackendException) {
             Timber.e("Failed to stop tunnel with error: ${e.message}")

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/MainActivity.kt

@@ -11,6 +11,7 @@ import androidx.activity.compose.rememberLauncherForActivityResult
 import androidx.activity.compose.setContent
 import androidx.activity.result.contract.ActivityResultContracts
 import androidx.appcompat.app.AppCompatActivity
+import androidx.compose.animation.ExitTransition
 import androidx.compose.animation.ExperimentalAnimationApi
 import androidx.compose.animation.core.tween
 import androidx.compose.animation.fadeIn
@@ -32,6 +33,7 @@ import androidx.compose.ui.Modifier
 import androidx.compose.ui.focus.FocusRequester
 import androidx.compose.ui.input.key.onKeyEvent
 import androidx.compose.ui.unit.dp
+import androidx.lifecycle.lifecycleScope
 import com.google.accompanist.navigation.animation.AnimatedNavHost
 import com.google.accompanist.navigation.animation.composable
 import com.google.accompanist.navigation.animation.rememberAnimatedNavController
@@ -41,9 +43,9 @@ import com.google.accompanist.permissions.rememberPermissionState
 import com.wireguard.android.backend.GoBackend
 import com.zaneschepke.wireguardautotunnel.Constants
 import com.zaneschepke.wireguardautotunnel.R
-import com.zaneschepke.wireguardautotunnel.ui.common.CustomSnackBar
 import com.zaneschepke.wireguardautotunnel.ui.common.PermissionRequestFailedScreen
 import com.zaneschepke.wireguardautotunnel.ui.common.navigation.BottomNavBar
+import com.zaneschepke.wireguardautotunnel.ui.common.prompt.CustomSnackBar
 import com.zaneschepke.wireguardautotunnel.ui.screens.config.ConfigScreen
 import com.zaneschepke.wireguardautotunnel.ui.screens.detail.DetailScreen
 import com.zaneschepke.wireguardautotunnel.ui.screens.main.MainScreen
@@ -52,7 +54,6 @@ import com.zaneschepke.wireguardautotunnel.ui.screens.support.SupportScreen
 import com.zaneschepke.wireguardautotunnel.ui.theme.TransparentSystemBars
 import com.zaneschepke.wireguardautotunnel.ui.theme.WireguardAutoTunnelTheme
 import dagger.hilt.android.AndroidEntryPoint
-import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.Dispatchers
 import kotlinx.coroutines.launch
 import timber.log.Timber
@@ -99,10 +100,10 @@ class MainActivity : AppCompatActivity() {
                 }
 
                 fun showSnackBarMessage(message : String) {
-                    CoroutineScope(Dispatchers.Main).launch {
+                    lifecycleScope.launch(Dispatchers.Main) {
                         val result = snackbarHostState.showSnackbar(
                             message = message,
-                            actionLabel = "Okay",
+                            actionLabel = applicationContext.getString(R.string.okay),
                             duration = SnackbarDuration.Short,
                         )
                         when (result) {
@@ -184,7 +185,10 @@ class MainActivity : AppCompatActivity() {
                                     fadeIn(animationSpec = tween(Constants.FADE_IN_ANIMATION_DURATION))
                                 }
                             }
-                        }) {
+                        }, exitTransition = {
+                            ExitTransition.None
+                        }
+                            ) {
                             MainScreen(padding = padding, showSnackbarMessage = { message -> showSnackBarMessage(message) }, navController = navController)
                         }
                         composable(Routes.Settings.name, enterTransition = {