From 69f84b4a280cdd6cde73894e4c875fa714c1f5e5 Mon Sep 17 00:00:00 2001
From: undefined <i@undefined.moe>
Date: Mon, 27 Sep 2021 09:02:56 +0800
Subject: [PATCH] vjudge: throw error when codeforces not available

---
 packages/vjudge/package.json                | 4 ++--
 packages/vjudge/src/providers/codeforces.ts | 3 +++
 2 files changed, 5 insertions(+), 2 deletions(-)

diff --git a/packages/vjudge/package.json b/packages/vjudge/package.json
index 7c77023c..5bcf1e05 100644
--- a/packages/vjudge/package.json
+++ b/packages/vjudge/package.json
@@ -1,6 +1,6 @@
 {
     "name": "@hydrooj/vjudge",
-    "version": "1.3.8",
+    "version": "1.3.9",
     "description": "Submit problems to remote oj",
     "main": "package.json",
     "repository": "https://github.com/hydro-dev/Hydro.git",
@@ -16,7 +16,7 @@
     },
     "devDependencies": {
         "@types/jsdom": "^16.2.13",
-        "@types/lodash": "^4.14.173",
+        "@types/lodash": "^4.14.174",
         "@types/superagent": "^4.1.13",
         "@types/superagent-proxy": "^2.0.1"
     }
diff --git a/packages/vjudge/src/providers/codeforces.ts b/packages/vjudge/src/providers/codeforces.ts
index 9b3a0999..04a2d352 100644
--- a/packages/vjudge/src/providers/codeforces.ts
+++ b/packages/vjudge/src/providers/codeforces.ts
@@ -73,6 +73,9 @@ export default class CodeforcesProvider implements IBasicProvider {
             this.cookie = header['set-cookie'];
         }
         const $dom = new JSDOM(html);
+        if ($dom.window.document.body.children.length < 2 && html.length < 1000) {
+            throw new Error($dom.window.document.body.textContent);
+        }
         return $dom.window.document.querySelector('meta[name="X-Csrf-Token"]').getAttribute('content');
     }