add Context#ResetRequest and core/handlerconv.FromStdWithNext updates the request for any incoming request changes - https://github.com/kataras/iris/issues/1180

Former-commit-id: 764bf26bcaa3b7bdae0a2bdbf3bf2b6f8c5c546e

core/handlerconv/from_std.go

@@ -75,6 +75,7 @@ func FromStd(handler interface{}) context.Handler {
 func FromStdWithNext(h func(w http.ResponseWriter, r *http.Request, next http.HandlerFunc)) context.Handler {
 	return func(ctx context.Context) {
 		next := http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
+			ctx.ResetRequest(r)
 			ctx.Next()
 		})
 

core/handlerconv/from_std_test.go

@@ -2,6 +2,7 @@
 package handlerconv_test
 
 import (
+	stdContext "context"
 	"net/http"
 	"testing"
 
@@ -42,7 +43,8 @@ func TestFromStdWithNext(t *testing.T) {
 	stdWNext := func(w http.ResponseWriter, r *http.Request, next http.HandlerFunc) {
 		if username, password, ok := r.BasicAuth(); ok &&
 			username == basicauth && password == basicauth {
-			next.ServeHTTP(w, r)
+			ctx := stdContext.WithValue(r.Context(), "key", "ok")
+			next.ServeHTTP(w, r.WithContext(ctx))
 			return
 		}
 		w.WriteHeader(iris.StatusForbidden)
@@ -50,7 +52,7 @@ func TestFromStdWithNext(t *testing.T) {
 
 	h := handlerconv.FromStdWithNext(stdWNext)
 	next := func(ctx context.Context) {
-		ctx.WriteString(passed)
+		ctx.WriteString(ctx.Request().Context().Value("key").(string))
 	}
 
 	app := iris.New()