Initial commit

internal/domains/deconnector/connect.go

@@ -0,0 +1,33 @@
+package deconnector
+
+import (
+	"bufio"
+	"fmt"
+	"log"
+	"net"
+	"net/http"
+	"net/url"
+)
+
+func (d *Deconnector) handleDeconnect(clientConn net.Conn, connectReq *http.Request, upstreamURL *url.URL) {
+	// Tell client the tunnel is open
+	fmt.Fprintf(clientConn, "HTTP/1.1 200 Connection established\r\n\r\n")
+
+	// Read the real HTTP request the client sends through the tunnel
+	innerReq, err := http.ReadRequest(bufio.NewReader(clientConn))
+	if err != nil {
+		log.Printf("failed to read inner request after CONNECT:80: %v", err)
+		return
+	}
+
+	innerReq.URL.Scheme = "http"
+	innerReq.URL.Host = connectReq.Host
+	innerReq.RequestURI = ""
+
+	d.app.Logger().
+		WithField("method", innerReq.Method).
+		WithField("url", innerReq.URL).
+		Info("Handling de-CONNECT request")
+
+	d.forwardHTTP(clientConn, innerReq, upstreamURL)
+}