X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/70459cdae1f4e92789a14c1fecb66f5954a5aa7f..bf08477c7e766c7692731c08212c8d1c3c5628ea:/sdk/go/auth/handlers.go

diff --git a/sdk/go/auth/handlers.go b/sdk/go/auth/handlers.go
index ad1fa5141a..b638f79825 100644
--- a/sdk/go/auth/handlers.go
+++ b/sdk/go/auth/handlers.go
@@ -9,17 +9,15 @@ import (
 	"net/http"
 )
 
-type contextKey string
-
-var contextKeyCredentials contextKey = "credentials"
+type contextKeyCredentials struct{}
 
 // LoadToken wraps the next handler, adding credentials to the request
 // context so subsequent handlers can access them efficiently via
 // CredentialsFromRequest.
 func LoadToken(next http.Handler) http.Handler {
 	return http.HandlerFunc(func(w http.ResponseWriter, r *http.Request) {
-		if _, ok := r.Context().Value(contextKeyCredentials).(*Credentials); !ok {
-			r = r.WithContext(context.WithValue(r.Context(), contextKeyCredentials, CredentialsFromRequest(r)))
+		if _, ok := r.Context().Value(contextKeyCredentials{}).(*Credentials); !ok {
+			r = r.WithContext(context.WithValue(r.Context(), contextKeyCredentials{}, CredentialsFromRequest(r)))
 		}
 		next.ServeHTTP(w, r)
 	})