fix: auto-tunnel screen not loading without wifi

Fixes auto tunnel screen failing to load if you haven't connected to wifi once.

Fixes import via url.

Closes #1108
Closes #1105

app/src/main/java/com/zaneschepke/wireguardautotunnel/ui/screens/tunnels/components/UrlImportDialog.kt

@@ -1,42 +1,47 @@
 package com.zaneschepke.wireguardautotunnel.ui.screens.tunnels.components
 
+import androidx.compose.foundation.layout.Arrangement
 import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.fillMaxWidth
-import androidx.compose.foundation.layout.padding
-import androidx.compose.material3.AlertDialog
-import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.MaterialTheme
 import androidx.compose.material3.Text
-import androidx.compose.material3.TextButton
 import androidx.compose.runtime.*
-import androidx.compose.ui.Modifier
 import androidx.compose.ui.res.stringResource
 import androidx.compose.ui.unit.dp
 import com.zaneschepke.wireguardautotunnel.R
+import com.zaneschepke.wireguardautotunnel.ui.common.dialog.InfoDialog
+import com.zaneschepke.wireguardautotunnel.ui.common.textbox.ConfigurationTextBox
 
 @Composable
 fun UrlImportDialog(onDismiss: () -> Unit, onConfirm: (String) -> Unit) {
     var url by remember { mutableStateOf("") }
+    var isError by remember { mutableStateOf(false) }
 
-    AlertDialog(
-        onDismissRequest = onDismiss,
-        title = { Text(stringResource(R.string.add_from_url)) },
-        text = {
-            Column(modifier = Modifier.fillMaxWidth().padding(vertical = 8.dp)) {
-                OutlinedTextField(
+    LaunchedEffect(url) { isError = false }
+
+    InfoDialog(
+        onDismiss = onDismiss,
+        title = stringResource(R.string.add_from_url),
+        body = {
+            Column(verticalArrangement = Arrangement.spacedBy(24.dp)) {
+                Text(
+                    stringResource(R.string.import_url_description),
+                    style = MaterialTheme.typography.bodyMedium,
+                    color = MaterialTheme.colorScheme.onSurface,
+                )
+                ConfigurationTextBox(
                     value = url,
+                    label = stringResource(R.string.enter_config_url),
+                    hint = stringResource(R.string.example_import_url),
                     onValueChange = { url = it },
-                    label = { Text(stringResource(R.string.enter_config_url)) },
-                    modifier = Modifier.fillMaxWidth(),
+                    isError = isError,
                 )
             }
         },
-        confirmButton = {
-            TextButton(onClick = { onConfirm(url) }, enabled = url.isNotBlank()) {
-                Text(stringResource(R.string.okay))
-            }
-        },
-        dismissButton = {
-            TextButton(onClick = onDismiss) { Text(stringResource(R.string.cancel)) }
+        confirmText = stringResource(R.string.okay),
+        onAttest = {
+            if (url.isNotBlank() && url.startsWith("https://")) {
+                onConfirm(url)
+            } else isError = true
         },
     )
 }

app/src/main/java/com/zaneschepke/wireguardautotunnel/viewmodel/SharedAppViewModel.kt

@@ -1,7 +1,6 @@
 package com.zaneschepke.wireguardautotunnel.viewmodel
 
 import android.net.Uri
-import androidx.core.net.toUri
 import androidx.lifecycle.ViewModel
 import com.wireguard.android.backend.WgQuickBackend
 import com.zaneschepke.wireguardautotunnel.R
@@ -24,9 +23,11 @@ import com.zaneschepke.wireguardautotunnel.util.extensions.TunnelName
 import com.zaneschepke.wireguardautotunnel.util.extensions.asStringValue
 import com.zaneschepke.wireguardautotunnel.util.extensions.saveTunnelsUniquely
 import dagger.hilt.android.lifecycle.HiltViewModel
+import io.ktor.client.HttpClient
+import io.ktor.client.request.prepareGet
+import io.ktor.client.statement.bodyAsText
 import java.io.File
 import java.io.IOException
-import java.net.URL
 import java.time.Instant
 import javax.inject.Inject
 import kotlinx.coroutines.flow.combine
@@ -50,6 +51,7 @@ constructor(
     private val settingsRepository: GeneralSettingRepository,
     private val monitoringSettingsRepository: MonitoringSettingsRepository,
     private val rootShellUtils: RootShellUtils,
+    private val httpClient: HttpClient,
     private val fileUtils: FileUtils,
 ) : ContainerHost<SharedAppUiState, LocalSideEffect>, ViewModel() {
 
@@ -239,18 +241,23 @@ constructor(
     fun importFromQr(conf: String) = intent { importFromClipboard(conf) }
 
     fun importFromUrl(url: String) = intent {
-        runCatching {
-                val url = URL(url)
-                val uri = url.toURI().toString().toUri()
-                importFromUri(uri)
-            }
-            .onFailure {
-                postSideEffect(
-                    GlobalSideEffect.Toast(
-                        StringValue.StringResource(R.string.error_download_failed)
+        try {
+            httpClient.prepareGet(url).execute { response ->
+                if (response.status.value in 200..299) {
+                    val body = response.bodyAsText()
+                    importFromClipboard(body)
+                } else {
+                    throw IOException(
+                        "Failed to download file with error status: ${response.status.value}"
                     )
-                )
+                }
             }
+        } catch (e: Exception) {
+            Timber.e(e)
+            postSideEffect(
+                GlobalSideEffect.Toast(StringValue.StringResource(R.string.error_download_failed))
+            )
+        }
     }
 
     fun importFromUri(uri: Uri) = intent {

app/src/main/res/values/strings.xml

@@ -459,4 +459,6 @@
     <string name="copy_from">Copy from</string>
     <string name="mode">Mode</string>
     <string name="app_selection">App selection</string>
+    <string name="example_import_url" translatable="false">https://123.com/tun.conf</string>
+    <string name="import_url_description">The URL must be secure and serve a .conf file.</string>
 </resources>

networkmonitor/src/main/java/com/zaneschepke/networkmonitor/AndroidNetworkMonitor.kt

@@ -15,8 +15,6 @@ import com.wireguard.android.util.RootShell
 import com.zaneschepke.networkmonitor.AndroidNetworkMonitor.WifiDetectionMethod.*
 import com.zaneschepke.networkmonitor.shizuku.ShizukuShell
 import com.zaneschepke.networkmonitor.util.*
-import kotlin.concurrent.atomics.AtomicReference
-import kotlin.concurrent.atomics.ExperimentalAtomicApi
 import kotlinx.coroutines.CoroutineScope
 import kotlinx.coroutines.ExperimentalCoroutinesApi
 import kotlinx.coroutines.FlowPreview
@@ -24,6 +22,8 @@ import kotlinx.coroutines.channels.awaitClose
 import kotlinx.coroutines.flow.*
 import kotlinx.coroutines.withTimeoutOrNull
 import timber.log.Timber
+import kotlin.concurrent.atomics.AtomicReference
+import kotlin.concurrent.atomics.ExperimentalAtomicApi
 
 class AndroidNetworkMonitor(
     private val appContext: Context,
@@ -212,6 +212,8 @@ class AndroidNetworkMonitor(
 
         connectivityManager?.registerNetworkCallback(request, wifiCallback!!)
 
+        trySend(TransportEvent.Unknown)
+
         awaitClose {
             runCatching { connectivityManager?.unregisterNetworkCallback(wifiCallback!!) }
                 .onFailure { Timber.e(it, "Error unregistering WiFi network callback") }