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js-tests/fen-redos.spec.js

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+/* eslint-env mocha */
+const { expect } = require('chai');
+const { performance } = require('perf_hooks');
+const path = require('path');
+
+// —— 最小浏览器 & jQuery stub，避免 DOM 依赖 ——
+global.window = global;
+global.document = {};
+global.jQuery = function(){};
+global.$ = global.jQuery;
+
+
+const target = path.join(
+  __dirname,
+  '..',
+  'examples/wchess/wchess.wasm/chessboardjs-1.0.0/js/chessboard-1.0.0.js'
+);
+
+// 载入真实实现（会把 Chessboard 挂到全局）
+require(target);
+const Chessboard = global.Chessboard;
+
+describe('FEN sanitize ReDoS in whisper.cpp (fen = fen.replace(/ .+$/, \'\'))', function () {
+  this.timeout(60_000);
+
+  it('should complete within 2 seconds', function () {
+    const N = 100000; 
+    const attack = ' '.repeat(N) + '\n@';
+
+    const t0 = performance.now();
+    try { Chessboard.fenToObj(attack); } catch (_) {}
+    const ms = performance.now() - t0;
+
+
+    expect(ms).to.be.lessThan(2_000);
+  });
+});
+
+
+
+