perf: precompiling proxy script callbacks

session/modules/http_proxy_js_request.go

@@ -1,5 +1,10 @@
 package session_modules
 
+import (
+	"fmt"
+	"net/http"
+)
+
 type JSHeader struct {
 	Name  string
 	Value string
@@ -14,6 +19,23 @@ type JSRequest struct {
 	Body     string
 }
 
+func NewJSRequest(req *http.Request) JSRequest {
+	headers := make([]JSHeader, 0)
+	for key, values := range req.Header {
+		for _, value := range values {
+			headers = append(headers, JSHeader{key, value})
+		}
+	}
+
+	return JSRequest{
+		Method:   req.Method,
+		Version:  fmt.Sprintf("%d.%d", req.ProtoMajor, req.ProtoMinor),
+		Path:     req.URL.Path,
+		Hostname: req.Host,
+		Headers:  headers,
+	}
+}
+
 func (j *JSRequest) ReadBody() string {
 	return "TODO: read body"
 }