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refactor: HTTP checker 质量加固

- failure actual 截断格式改为 …(共 N 字符),标量不序列化直接返回
- 新增 redos.ts 实现 ReDoS 静态检测(嵌套量词/重叠交替),启动期拒绝危险正则
- JSON body rules 共享同一次 JSON.parse 结果,避免重复解析
- checkCssRule 重构为线性流程,消除 exist:true 与无 operator 的冗余分支
- extract checkEarlyTimeout 辅助函数,明确提前 duration 检查意图
- 补充 303/307/308 重定向、相对路径 Location、混合 body rules 集成测试
This commit is contained in:
2026-05-13 21:35:05 +08:00
parent 31aeee6d60
commit bcfac52112
18 changed files with 426 additions and 342 deletions

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import { describe, expect, test } from "bun:test";
import { isUnsafeRegex } from "../../../../../src/server/checker/expect/redos";
describe("isUnsafeRegex", () => {
test("识别嵌套量词", () => {
expect(isUnsafeRegex("(a+)+$")).toBe(true);
expect(isUnsafeRegex("(a*)*")).toBe(true);
expect(isUnsafeRegex("(a?)+")).toBe(true);
expect(isUnsafeRegex("(\\d+)*x")).toBe(true);
expect(isUnsafeRegex("(?:a+)+")).toBe(true);
});
test("识别重叠交替分支", () => {
expect(isUnsafeRegex("(a|a)+")).toBe(true);
expect(isUnsafeRegex("(a|aa)*")).toBe(true);
});
test("安全正则不误判", () => {
expect(isUnsafeRegex("\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}\\.\\d{1,3}")).toBe(false);
expect(isUnsafeRegex("^(ok|healthy)$")).toBe(false);
expect(isUnsafeRegex("^[a-z0-9_-]+$")).toBe(false);
expect(isUnsafeRegex("([a+])+")).toBe(false);
});
});