initial

server/middleware/middleware.go

@@ -0,0 +1,22 @@
+package middleware
+
+import "net/http"
+
+type Handler func(http.Handler) http.Handler
+
+func Chain(handlers ...Handler) Handler {
+	if len(handlers) == 0 {
+		return defaultHandler
+	}
+
+	return func(next http.Handler) http.Handler {
+		for i := len(handlers) - 1; i >= 0; i-- {
+			next = handlers[i](next)
+		}
+		return next
+	}
+}
+
+func defaultHandler(next http.Handler) http.Handler {
+	return next
+}