add enterprise license system

server/private/middlewares/verifyValidLicense.ts

@@ -0,0 +1,33 @@
+import { Request, Response, NextFunction } from "express";
+import createHttpError from "http-errors";
+import HttpCode from "@server/types/HttpCode";
+import license from "#private/license/license";
+import { build } from "@server/build";
+
+export async function verifyValidLicense(
+    req: Request,
+    res: Response,
+    next: NextFunction
+) {
+    try {
+        if (build !== "saas") {
+            return next();
+        }
+
+        const unlocked = await license.isUnlocked();
+        if (!unlocked) {
+            return next(
+                createHttpError(HttpCode.FORBIDDEN, "License is not valid")
+            );
+        }
+
+        return next();
+    } catch (e) {
+        return next(
+            createHttpError(
+                HttpCode.INTERNAL_SERVER_ERROR,
+                "Error verifying license"
+            )
+        );
+    }
+}