From 05e528cff0d5145555434e8481daf739e1fe79dd Mon Sep 17 00:00:00 2001
From: Mark Laing <mark.laing@canonical.com>
Date: Wed, 4 Jun 2025 10:19:06 +0100
Subject: [PATCH] pkg/http: Error on `SetCookie` if cookie handler is request
 aware.

Signed-off-by: Mark Laing <mark.laing@canonical.com>
---
 pkg/http/cookie.go | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pkg/http/cookie.go b/pkg/http/cookie.go
index 661d81a..b200300 100644
--- a/pkg/http/cookie.go
+++ b/pkg/http/cookie.go
@@ -97,6 +97,10 @@ func (c *CookieHandler) CheckQueryCookie(r *http.Request, name string) (string,
 }
 
 func (c *CookieHandler) SetCookie(w http.ResponseWriter, name, value string) error {
+	if c.IsRequestAware() {
+		return errors.New("Cookie handler is request aware")
+	}
+
 	encoded, err := c.securecookie.Encode(name, value)
 	if err != nil {
 		return err