From c27d4a089c70bf25f0e16f3bc3c5c64ffc5b96ac Mon Sep 17 00:00:00 2001
From: Nikolay Edigaryev <edigaryev@gmail.com>
Date: Fri, 25 Nov 2022 16:59:38 +0400
Subject: [PATCH] OCI: WWW-Authenticate's scheme should be treated
 case-insensitive (#336)

---
 Sources/tart/OCI/Registry.swift | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/Sources/tart/OCI/Registry.swift b/Sources/tart/OCI/Registry.swift
index 9e193e6..30c0a06 100644
--- a/Sources/tart/OCI/Registry.swift
+++ b/Sources/tart/OCI/Registry.swift
@@ -312,7 +312,7 @@ class Registry {
 
     let wwwAuthenticate = try WWWAuthenticate(rawHeaderValue: wwwAuthenticateRaw)
 
-    if wwwAuthenticate.scheme == "Basic" {
+    if wwwAuthenticate.scheme.lowercased() == "basic" {
       if let (user, password) = try lookupCredentials(host: baseURL.host!) {
         currentAuthToken = BasicAuthentication(user: user, password: password)
       }
@@ -320,7 +320,7 @@ class Registry {
       return
     }
 
-    if wwwAuthenticate.scheme != "Bearer" {
+    if wwwAuthenticate.scheme.lowercased() != "bearer" {
       throw RegistryError.AuthFailed(why: "WWW-Authenticate header's authentication scheme "
         + "\"\(wwwAuthenticate.scheme)\" is unsupported, expected \"Bearer\" scheme")
     }