Remove protocol type and procedure funcs

Signed-off-by: Edward McFarlane <[email protected]>

authn.go

@@ -70,40 +70,6 @@ func Errorf(template string, args ...any) *connect.Error {
  return connect.NewError(connect.CodeUnauthenticated, fmt.Errorf(template, args...))
 }
 
-// Procedure returns the RPC procedure name, in the form "/service/method". If
-// the request path does not contain a procedure name, the entire path is
-// returned.
-func Procedure(request *http.Request) string {
- path := strings.TrimSuffix(request.URL.Path, "/")
- ultimate := strings.LastIndex(path, "/")
- if ultimate < 0 {
- return request.URL.Path
- }
- penultimate := strings.LastIndex(path[:ultimate], "/")
- if penultimate < 0 {
- return request.URL.Path
- }
- procedure := path[penultimate:]
- if len(procedure) < 4 { // two slashes + service + method
- return request.URL.Path
- }
- return procedure
-}
-
-// Protocol returns the RPC protocol. It is one of [connect.ProtocolConnect],
-// [connect.ProtocolGRPC], or [connect.ProtocolGRPCWeb].
-func Protocol(request *http.Request) string {
- ct := request.Header.Get("Content-Type")
- switch {
- case strings.HasPrefix(ct, "application/grpc-web"):
- return connect.ProtocolGRPCWeb
- case strings.HasPrefix(ct, "application/grpc"):
- return connect.ProtocolGRPC
- default:
- return connect.ProtocolConnect
- }
-}
-
 // Middleware is server-side HTTP middleware that authenticates RPC requests.
 // In addition to rejecting unauthenticated requests, it can optionally attach
 // arbitrary information about the authenticated identity to the context.