core: set ProblemFilesHandler to notUsage

packages/hydrooj/package.json

@@ -1,6 +1,6 @@
 {
     "name": "hydrooj",
-    "version": "2.29.39",
+    "version": "2.29.40",
     "bin": "bin/hydrooj.js",
     "main": "dist/loader.js",
     "typings": "dist/loader.d.ts",

packages/hydrooj/src/handler/problem.ts

@@ -322,6 +322,8 @@ export class ProblemEditHandler extends ProblemManageHandler {
 }
 
 export class ProblemFilesHandler extends ProblemDetailHandler {
+    notUsage = true;
+
     @param('testdata', Types.Boolean)
     @param('additional_file', Types.Boolean)
     @param('pjax', Types.Boolean)

packages/hydrooj/src/service/server.ts

@@ -408,6 +408,7 @@ export class Handler extends HandlerCommon {
     csrfToken: string;
     loginMethods: any;
     noCheckPermView: boolean;
+    notUsage: boolean;
     __param: Record<string, ParamOption[]>;
 
     constructor(ctx: Koa.Context) {
@@ -484,7 +485,7 @@ export class Handler extends HandlerCommon {
     }
 
     async init({ domainId }) {
-        if (!argv.options.benchmark) await this.limitRate('global', 10, 88);
+        if (!argv.options.benchmark && !this.notUsage) await this.limitRate('global', 10, 88);
         const [absoluteDomain, inferDomain, bdoc] = await Promise.all([
             domain.get(domainId),
             domain.getByHost(this.request.host),