bug fixes

packages/hydrooj/src/handler/contest.ts

@@ -387,7 +387,7 @@ export class ContestEditHandler extends Handler {
     @param('duration', Types.Float)
     @param('title', Types.Title)
     @param('content', Types.Content)
-    @param('rule', Types.Range(Object.keys(contest.RULES).filter((i) => !contest.RULES[i].hidden)))
+    @param('rule', Types.String)
     @param('pids', Types.Content)
     @param('rated', Types.Boolean)
     @param('code', Types.String, true)
@@ -405,6 +405,7 @@ export class ContestEditHandler extends Handler {
         _code = '', autoHide = false, assign: string[] = [], lock: number = null,
         contestDuration: number = null, maintainer: number[] = [], allowViewCode = false, allowPrint = false, langs: string[] = [],
     ) {
+        if (!Object.keys(contest.RULES).includes(rule) || contest.RULES[rule].hidden) throw new ValidationError('rule');
         if (autoHide) this.checkPerm(PERM.PERM_EDIT_PROBLEM);
         const pids = _pids.replace(/，/g, ',').split(',').map((i) => +i).filter((i) => i);
         const beginAtMoment = moment.tz(`${beginAtDate} ${beginAtTime}`, this.user.timeZone);