feat: log incoming requests to the user's terminal

http/http.go

@@ -7,16 +7,101 @@ import (
 	"log"
 	"net"
 	"net/http"
+	"os"
 	"strings"
 	"tunnel_pls/session"
+	indexView "tunnel_pls/view/index"
 )
 
+type RouteHandler http.HandlerFunc
+
+// Simple Router Struct
+type Router struct {
+	routes map[string]map[string]http.Handler
+}
+
+// NewRouter initializes a new router
+func NewRouter() *Router {
+	return &Router{
+		routes: make(map[string]map[string]http.Handler),
+	}
+}
+
+// Handle registers a route with an http.Handler
+func (r *Router) Handle(method, path string, handler http.Handler) {
+	if _, exists := r.routes[method]; !exists {
+		r.routes[method] = make(map[string]http.Handler)
+	}
+	r.routes[method][path] = handler
+}
+
+// HandleFunc registers a route with a function
+func (r *Router) HandleFunc(method, path string, handlerFunc func(http.ResponseWriter, *http.Request)) {
+	r.Handle(method, path, http.HandlerFunc(handlerFunc))
+}
+
+func (r *Router) ServeHTTP(w http.ResponseWriter, req *http.Request) {
+	if methodRoutes, exists := r.routes[req.Method]; exists {
+		if handler, exists := methodRoutes[req.URL.Path]; exists {
+			handler.ServeHTTP(w, req)
+			return
+		}
+	}
+	http.Error(w, "404 Not Found", http.StatusNotFound)
+}
+
+type tcpResponseWriter struct {
+	conn   net.Conn
+	header http.Header
+	status int
+}
+
+func (w *tcpResponseWriter) Header() http.Header {
+	return w.header
+}
+
+func (w *tcpResponseWriter) WriteHeader(statusCode int) {
+	w.status = statusCode
+}
+
+func (w *tcpResponseWriter) Write(data []byte) (int, error) {
+	fmt.Println("here")
+	resp := fmt.Sprintf("HTTP/1.1 %d %s\r\n", w.status, http.StatusText(w.status))
+	for k, v := range w.header {
+		resp += fmt.Sprintf("%s: %s\r\n", k, v[0])
+	}
+	resp += "\r\n" + string(data)
+
+	return w.conn.Write([]byte(resp))
+}
+
+var router = NewRouter()
+
 func Listen() {
 	server, err := net.Listen("tcp", ":80")
+
 	if err != nil {
 		log.Fatal(err)
 		return
 	}
+
+	router.HandleFunc("GET", "/", func(w http.ResponseWriter, r *http.Request) {
+		indexView.Main("Main Page").Render(r.Context(), w)
+		return
+	})
+
+	router.HandleFunc("GET", "/public/output.css", func(w http.ResponseWriter, r *http.Request) {
+		open, err := os.Open("public/output.css")
+		if err != nil {
+			return
+		}
+		data, _ := io.ReadAll(open)
+		fmt.Fprintf(w, string(data))
+	})
+
+	//fileserver := http.FileServer(http.Dir("./public"))
+	//router.Handle("/public/", http.StripPrefix("/public", fileserver))
+
 	defer server.Close()
 	log.Println("Listening on :80")
 	for {
@@ -41,6 +126,18 @@ func handleRequest(conn net.Conn) {
 		return
 	}
 
+	if r.Host == "localhost" {
+		writer := &tcpResponseWriter{
+			conn:   conn,
+			header: make(http.Header),
+			status: http.StatusOK,
+		}
+		fmt.Println(r.Pattern)
+		router.ServeHTTP(writer, r)
+
+		return
+	}
+
 	slug := strings.Split(r.Host, ".")[0]
 	if slug == "" {
 		fmt.Println("Error parsing slug: ", r.Host)
@@ -73,5 +170,5 @@ func handleRequest(conn net.Conn) {
 	payload := []byte(rawRequest)
 
 	host, originPort := session.ParseAddr(conn.RemoteAddr().String())
-	sshSession.GetForwardedConnection(conn, host, sshSession.Connection, payload, originPort, 80)
+	sshSession.GetForwardedConnection(conn, host, sshSession.Connection, payload, originPort, 80, r.RequestURI, r.Method, r.Proto)
 }

session/handler.go

@@ -57,7 +57,7 @@ func (s *Session) handleGlobalRequest() {
 					buf := new(bytes.Buffer)
 					binary.Write(buf, binary.BigEndian, uint32(portToBind))
 					log.Printf("Forwarding approved on port: %d", portToBind)
-					s.ConnChannels[0].Write([]byte(fmt.Sprintf("Forwarding your traffic to http://%s.tunnl.live", slug)))
+					s.ConnChannels[0].Write([]byte(fmt.Sprintf("Forwarding your traffic to http://%s.tunnl.live \r\n", slug)))
 					req.Reply(true, buf.Bytes())
 				} else {
 					s.TunnelType = TCP
@@ -70,6 +70,7 @@ func (s *Session) handleGlobalRequest() {
 						continue
 					}
 					s.Listener = listener
+					s.ConnChannels[0].Write([]byte(fmt.Sprintf("Forwarding your traffic to tunnl.live:%d \r\n", portToBind)))
 					go func() {
 						for {
 							conn, err := listener.Accept()
@@ -255,7 +256,7 @@ func (s *Session) HandleForwardedConnection(conn net.Conn, sshConn *ssh.ServerCo
 	}()
 }
 
-func (s *Session) GetForwardedConnection(conn net.Conn, host string, sshConn *ssh.ServerConn, payload []byte, originPort, port uint32) {
+func (s *Session) GetForwardedConnection(conn net.Conn, host string, sshConn *ssh.ServerConn, payload []byte, originPort, port uint32, path, method, proto string) {
 	defer conn.Close()
 	channelPayload := createForwardedTCPIPPayload(host, originPort, port)
 	channel, reqs, err := sshConn.OpenChannel("forwarded-tcpip", channelPayload)
@@ -277,6 +278,7 @@ func (s *Session) GetForwardedConnection(conn net.Conn, host string, sshConn *ss
 		s.ConnChannels[0].Write([]byte("Could not forward request to the tunnel addr\r\n"))
 		return
 	} else {
+		s.ConnChannels[0].Write([]byte(fmt.Sprintf("\033[32m %s -- [%s] \"%s %s %s\" 	\r\n \033[0m", host, time.Now().Format("02/Jan/2006 15:04:05"), method, path, proto)))
 		io.Copy(conn, reader)
 	}
 	go func() {

session/session.go

@@ -50,8 +50,9 @@ func New(conn *ssh.ServerConn, sshChannel <-chan ssh.NewChannel, req <-chan *ssh
 
 func (session *Session) Close() {
 	session.Done <- true
-
-	session.Listener.Close()
+	if session.TunnelType != HTTP {
+		session.Listener.Close()
+	}
 
 	for _, ch := range session.ConnChannels {
 		if err := ch.Close(); err != nil {