Add read WIFI state support

app/src/main/java/io/nekohasekai/sfa/Application.kt

@@ -6,6 +6,7 @@ import android.content.Context
 import android.content.Intent
 import android.content.IntentFilter
 import android.net.ConnectivityManager
+import android.net.wifi.WifiManager
 import android.os.PowerManager
 import androidx.core.content.getSystemService
 import go.Seq
@@ -46,6 +47,7 @@ class Application : Application() {
         val packageManager by lazy { application.packageManager }
         val powerManager by lazy { application.getSystemService<PowerManager>()!! }
         val notificationManager by lazy { application.getSystemService<NotificationManager>()!! }
+        val wifiManager by lazy { application.getSystemService<WifiManager>()!! }
     }
 
 }

app/src/main/java/io/nekohasekai/sfa/bg/PlatformInterfaceWrapper.kt

@@ -9,6 +9,7 @@ import io.nekohasekai.libbox.NetworkInterfaceIterator
 import io.nekohasekai.libbox.PlatformInterface
 import io.nekohasekai.libbox.StringIterator
 import io.nekohasekai.libbox.TunOptions
+import io.nekohasekai.libbox.WIFIState
 import io.nekohasekai.sfa.Application
 import java.net.Inet6Address
 import java.net.InetSocketAddress
@@ -101,6 +102,15 @@ interface PlatformInterfaceWrapper : PlatformInterface {
     override fun clearDNSCache() {
     }
 
+    override fun readWIFIState(): WIFIState? {
+        val wifiInfo = Application.wifiManager.connectionInfo ?: return null
+        var ssid = wifiInfo.ssid
+        if (ssid.startsWith("\"") && ssid.endsWith("\"")) {
+            ssid = ssid.substring(1, ssid.length - 1)
+        }
+        return WIFIState(ssid, wifiInfo.bssid)
+    }
+
     private class InterfaceArray(private val iterator: Enumeration<NetworkInterface>) :
         NetworkInterfaceIterator {
 

app/src/main/java/io/nekohasekai/sfa/ui/MainActivity.kt

@@ -4,10 +4,12 @@ import android.Manifest
 import android.annotation.SuppressLint
 import android.content.Context
 import android.content.Intent
+import android.content.pm.PackageManager
 import android.net.VpnService
 import android.os.Bundle
 import androidx.activity.result.contract.ActivityResultContract
 import androidx.activity.result.contract.ActivityResultContracts
+import androidx.core.app.ActivityCompat
 import androidx.core.content.ContextCompat
 import androidx.lifecycle.MutableLiveData
 import androidx.lifecycle.lifecycleScope
@@ -187,6 +189,22 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback {
             notificationPermissionLauncher.launch(Manifest.permission.POST_NOTIFICATIONS)
             return
         }
+
+        if (ContextCompat.checkSelfPermission(
+                this, Manifest.permission.ACCESS_FINE_LOCATION
+            ) != PackageManager.PERMISSION_GRANTED
+        ) {
+            if (!ActivityCompat.shouldShowRequestPermissionRationale(
+                    this, Manifest.permission.ACCESS_FINE_LOCATION
+                )
+            ) {
+                fineLocationPermissionLauncher.launch(
+                    Manifest.permission.ACCESS_FINE_LOCATION
+                )
+            }
+        }
+
+
         lifecycleScope.launch(Dispatchers.IO) {
             if (Settings.rebuildServiceMode()) {
                 reconnect()
@@ -213,6 +231,12 @@ class MainActivity : AbstractActivity(), ServiceConnection.Callback {
         }
     }
 
+    private val fineLocationPermissionLauncher = registerForActivityResult(
+        ActivityResultContracts.RequestPermission()
+    ) {
+        startService()
+    }
+
     private val prepareLauncher = registerForActivityResult(PrepareService()) {
         if (it) {
             startService()