fix(security): 修复上传名单文件可被 URL 直连访问(nginx 下可 getshell)

严重漏洞:roster_import 使用 $_FILES 的原始扩展名拼 roster_YYYYMMDD_HHMMSS.<ext>
落在 Web 根目录内的 data/uploads/,既无扩展名白名单(可上传 .php),文件名又
可按秒枚举;而 bootstrap 只写了 data/.htaccess,nginx 不读 .htaccess,
生产环境(nginx + PHP-FPM)下可直接远程代码执行。

修复(api.php roster_import 四层防护):
- 扩展名白名单:仅 xlsx / xlsm / csv / txt
- 随机文件名:bin2hex(random_bytes(16)),杜绝枚举
- 解析完成后 @unlink 立即删除,Web 目录下不留存任何上传文件
- 20MB 大小限制 + UPLOAD_ERR 检查

加固(bootstrap.php):data 及 cache/uploads/snapshots 每个目录都写
.htaccess(Deny from all)+ index.html 占位;README 与文档补充 nginx
location ^~ /data/ { deny all; return 404; } 规则。

测试:新增 e2e tools/test-upload-guard.js(11 断言,覆盖 .php/.phtml 被拒、
无残留、合法 csv 导入成功且即删、无可枚举文件名),并入 tests/run-all.sh。
全套 90 项通过。

docs: 新增 VitePress 文档站(18 页)
- 使用指南 12 页:简介/部署/快速上手/系统设置/名单管理/统计口径/试卷设置/
  快照趋势异常/导出打印/数据看板/随机抽取/常见问题
- 安全 2 页:安全总览(含本次漏洞复盘)与部署加固清单(P0-P2)
- 开发 4 页:架构与目录/接口一览/SQLite 存储/测试
- 配图迁移至 docs/public/images/;.gitignore 忽略文档构建产物
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import { defineConfig } from 'vitepress'
// 部署到子路径时,构建前设置环境变量即可:
// DOCS_BASE=/ny-exam-docs/ npm run docs:build
const base = process.env.DOCS_BASE || '/'
export default defineConfig({
base,
lang: 'zh-CN',
title: 'NY 问卷考试系统数据平台',
description: '基于 PHP 8 + 卷王(SurveyKing)社区版开放 API 的零依赖考试数据统计平台',
cleanUrls: true,
ignoreDeadLinks: true,
head: [
['meta', { name: 'theme-color', content: '#2563eb' }],
['meta', { name: 'referrer', content: 'no-referrer' }]
],
themeConfig: {
// outlineTitle: '本页目录',
outline: [2, 3],
lastUpdated: { text: '最后更新于' },
search: {
provider: 'local',
options: {
locales: {
zh: {
translations: {
button: { buttonText: '搜索文档', buttonAriaLabel: '搜索文档' },
modal: {
noResultsText: '未找到相关结果',
resetButtonTitle: '清除查询条件',
footer: {
selectText: '选择',
navigateText: '切换',
closeText: '关闭'
}
}
}
}
}
}
},
nav: [
{ text: '首页', link: '/' },
{ text: '使用指南', link: '/guide/introduction', activeMatch: '/guide/' },
{ text: '安全', link: '/security/', activeMatch: '/security/' },
{ text: '开发', link: '/dev/architecture', activeMatch: '/dev/' }
],
sidebar: {
'/guide/': [
{
text: '开始',
items: [
{ text: '平台简介', link: '/guide/introduction' },
{ text: '环境要求与部署', link: '/guide/install' },
{ text: '快速上手', link: '/guide/quickstart' }
]
},
{
text: '核心功能',
items: [
{ text: '系统设置', link: '/guide/settings' },
{ text: '名单管理', link: '/guide/roster' },
{ text: '成绩明细与统计口径', link: '/guide/scores' },
{ text: '试卷设置(满分/合格率/免考)', link: '/guide/project-config' },
{ text: '快照、趋势与异常检测', link: '/guide/snapshot' },
{ text: '导出与打印', link: '/guide/export-print' }
]
},
{
text: '其他页面',
items: [
{ text: '数据看板', link: '/guide/dashboard' },
{ text: '随机抽取', link: '/guide/draw' }
]
},
{
text: '帮助',
items: [
{ text: '常见问题', link: '/guide/faq' }
]
}
],
'/security/': [
{
text: '安全',
items: [
{ text: '安全总览', link: '/security/' },
{ text: '部署加固清单', link: '/security/hardening' }
]
}
],
'/dev/': [
{
text: '开发',
items: [
{ text: '架构与目录', link: '/dev/architecture' },
{ text: '接口一览', link: '/dev/api' },
{ text: '数据存储(SQLite)', link: '/dev/database' },
{ text: '测试', link: '/dev/testing' }
]
}
]
},
socialLinks: [],
footer: {
message: '基于 PHP 8 + 卷王(SurveyKing)社区版开放 API 构建,零第三方运行依赖。',
copyright: 'Copyright © NY 问卷考试系统数据平台'
},
docFooter: {
prev: '上一页',
next: '下一页'
},
returnToTopLabel: '回到顶部',
sidebarMenuLabel: '菜单',
darkModeSwitchLabel: '主题',
lightModeSwitchTitle: '切换到浅色模式',
darkModeSwitchTitle: '切换到深色模式'
}
})
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