1 files changed, 4 insertions, 3 deletions
diff --git a/auth.go b/auth.go
index c9797f7..2027827 100644
--- a/auth.go
+++ b/auth.go
@@ -11,8 +11,9 @@ import (
 	"golang.org/x/crypto/bcrypt"
 )
 
+type userContextKey struct{}
+
 const (
-	userContextKey   = "_user"
 	sessionDuration  = 86400 * 7 // 7 days
 	loginQueryMarker = "next"
 )
@@ -25,7 +26,7 @@ func RequireAuth(next http.Handler) http.Handler {
 			u, err := Q.GetUserById(r.Context(), s.UserID)
 			if err == nil {
 				// authenticated --> done
-				ctx := context.WithValue(r.Context(), userContextKey, u.ID)
+				ctx := context.WithValue(r.Context(), userContextKey{}, u.ID)
 				next.ServeHTTP(w, r.WithContext(ctx))
 				return
 			}
@@ -125,5 +126,5 @@ func loginPage() http.HandlerFunc {
 }
 
 func userId(r *http.Request) int32 {
-	return r.Context().Value(userContextKey).(int32)
+	return r.Context().Value(userContextKey{}).(int32)
 }