Authn: Sync authlib and update how we construct authn client interceptor (#101124)

* Sync authlib and update how we construct authn client interceptor

* Remove namespace from checker

pkg/services/authz/token_auth.go

@@ -25,7 +25,9 @@ func (t *tokenAuth) GetRequestMetadata(ctx context.Context, _ ...string) (map[st
 		return nil, err
 	}
 
-	return map[string]string{authn.DefaultAccessTokenMetadataKey: token.Token}, nil
+	const metadataKey = "X-Access-Token"
+
+	return map[string]string{metadataKey: token.Token}, nil
 }
 
 func (t *tokenAuth) RequireTransportSecurity() bool { return false }

pkg/services/authz/zanzana/client/client.go

@@ -79,7 +79,7 @@ func (c *Client) Compile(ctx context.Context, id authlib.AuthInfo, req authlib.L
 func newItemChecker(res *authzv1.ListResponse) authlib.ItemChecker {
 	// if we can see all resource of this type we can just return a function that always return true
 	if res.GetAll() {
-		return func(_, _, _ string) bool { return true }
+		return func(_, _ string) bool { return true }
 	}
 
 	folders := make(map[string]struct{}, len(res.Folders))
@@ -92,7 +92,7 @@ func newItemChecker(res *authzv1.ListResponse) authlib.ItemChecker {
 		items[i] = struct{}{}
 	}
 
-	return func(_, name, folder string) bool {
+	return func(name, folder string) bool {
 		if _, ok := items[name]; ok {
 			return true
 		}