first commit

src/main/kotlin/Server.kt

@@ -0,0 +1,66 @@
+package su.sonoma
+
+import kotlinx.coroutines.*
+import java.net.ServerSocket
+import java.net.Socket
+import java.io.InputStream
+import java.io.DataInputStream
+
+fun startServer() = runBlocking {
+
+    val server = ServerSocket(9093)
+
+    println("Server started")
+
+    while (true) {
+        val client = server.accept()
+
+        launch {
+            handle(client)
+        }
+    }
+}
+
+suspend fun handle(socket: Socket) {
+
+    val input = socket.getInputStream()
+    val output = socket.getOutputStream()
+
+    val buffer = ByteArray(32768)
+
+    while (true) {
+
+        val hi = input.read()
+        val lo = input.read()
+        val len = (hi shl 8) or lo
+
+        DataInputStream(input).readFully(buffer, 0, len)
+
+        val packet = buffer.copyOf(len)
+
+        // 🌍 forward to internet
+        val response = forwardPacket(packet)
+
+        output.write(response.size shr 8)
+        output.write(response.size)
+
+        output.write(response)
+    }
+}
+fun forwardPacket(packet: ByteArray): ByteArray {
+
+    // ⚠️ simplified: we assume HTTP (not real VPN parsing yet)
+
+    val host = "example.com"
+    val port = 80
+
+    val socket = Socket(host, port)
+
+    socket.getOutputStream().write(packet)
+
+    val response = socket.getInputStream().readBytes()
+
+    socket.close()
+
+    return response
+}