bug fixes, half-finished admin ui, and a more

middleware/admin.go

@@ -0,0 +1,22 @@
+package middleware
+
+import (
+	"filething/models"
+	"net/http"
+
+	"github.com/labstack/echo/v4"
+)
+
+func AdminMiddleware() echo.MiddlewareFunc {
+	return func(next echo.HandlerFunc) echo.HandlerFunc {
+		return func(c echo.Context) error {
+			user := c.Get("user").(*models.User)
+
+			if !user.Admin {
+				return echo.NewHTTPError(http.StatusForbidden, "You are not an administrator")
+			}
+
+			return next(c)
+		}
+	}
+}