Disable user registration with a flag

oauth2server/server/routes.go

@@ -2,11 +2,13 @@ package server
 
 import (
 	"fmt"
+	"local/oauth2/oauth2server/config"
 	"net/http"
 )
 
 func (s *Server) Routes() error {
 	endpoints := []struct {
+		skip    bool
 		path    string
 		handler http.HandlerFunc
 	}{
@@ -23,16 +25,21 @@ func (s *Server) Routes() error {
 			handler: s.usersLog,
 		},
 		{
+			skip:    !config.UserRegistration,
 			path:    fmt.Sprintf("users/register"),
 			handler: s.usersRegister,
 		},
 		{
+			skip:    !config.UserRegistration,
 			path:    fmt.Sprintf("users/submit"),
 			handler: s.usersSubmit,
 		},
 	}
 
 	for _, endpoint := range endpoints {
+		if endpoint.skip {
+			continue
+		}
 		if err := s.Add(endpoint.path, endpoint.handler); err != nil {
 			return err
 		}