Silence CodeQL warning

IngmarStein · May 27, 2024 · 35e02d6 · 35e02d6
1 parent 1b293d9
commit 35e02d6
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/example/http-server/main.go b/example/http-server/main.go
@@ -6,6 +6,7 @@ import (
 	"net/http"
 	"net/http/httputil"
 	"os"
+	"strings"
 )
 
 func getPort() string {
@@ -16,6 +17,8 @@ func getPort() string {
 	return port
 }
 
+var httpHeaderValueSanitizer = strings.NewReplacer("\n", "-", "\r", "-")
+
 func headers(w http.ResponseWriter, req *http.Request) {
 	dump, err := httputil.DumpRequest(req, true)
 	if err != nil {
@@ -25,8 +28,7 @@ func headers(w http.ResponseWriter, req *http.Request) {
 
 	for name, headers := range req.Header {
 		for _, h := range headers {
-
-			_, err := fmt.Fprintf(w, "%v: %v\n", name, h)
+			_, err := fmt.Fprintf(w, "%v: %v\n", name, httpHeaderValueSanitizer.Replace(h))
 			if err != nil {
 				fmt.Printf("Error writing header %s: %v\n", name, err)
 				return