refactor(middleware): unexport the signatureAlgorithms variable

Author: nexus49

middleware/token.go

@@ -12,22 +12,22 @@ import (
 
 const tokenAuthPrefix = "BEARER"
 
-var SignatureAlgorithms = []jose.SignatureAlgorithm{jose.RS256}
+var signatureAlgorithms = []jose.SignatureAlgorithm{jose.RS256}
 
 // StoreWebToken returns middleware that extracts a JWT from the HTTP `Authorization` header
 // and stores it in the request pmcontext for downstream handlers.
 //
 // The middleware looks for an Authorization header of the form `Bearer <token>` (scheme match is
 // case-insensitive). When present, the token is added to the pmcontext via
-// context.AddWebTokenToContext using the package's SignatureAlgorithms. If the header is absent,
+// context.AddWebTokenToContext using the package's signatureAlgorithms. If the header is absent,
 // malformed, or not a Bearer token, the request pmcontext is left unchanged.
 func StoreWebToken() func(http.Handler) http.Handler {
 	return func(next http.Handler) http.Handler {
 		return http.HandlerFunc(func(responseWriter http.ResponseWriter, request *http.Request) {
 			ctx := request.Context()
 			auth := strings.Split(request.Header.Get(headers.Authorization), " ")
 			if len(auth) > 1 && strings.ToUpper(auth[0]) == tokenAuthPrefix {
-				ctx = pmcontext.AddWebTokenToContext(ctx, auth[1], SignatureAlgorithms)
+				ctx = pmcontext.AddWebTokenToContext(ctx, auth[1], signatureAlgorithms)
 			}
 
 			next.ServeHTTP(responseWriter, request.WithContext(ctx))