26 lines
792 B
JavaScript
26 lines
792 B
JavaScript
// 系统信息: 当前访问者 IP 等
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// 仅供「我」页展示, 需要登录后访问
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import { Router } from 'express'
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import { authRequired } from '../middleware.js'
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const router = Router()
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router.use(authRequired)
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router.use((_req, res, next) => {
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res.set('Cache-Control', 'no-store')
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next()
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})
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// 去掉 IPv4-mapped IPv6 前缀 (::ffff:1.2.3.4 → 1.2.3.4), 便于展示
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function normalizeIp(ip) {
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const s = String(ip || '').trim()
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return s.startsWith('::ffff:') ? s.slice(7) : s
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}
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// GET /api/system/client-ip 服务器看到的当前访问 IP
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// 依赖 index.js 里的 trust proxy 设置解析 X-Forwarded-For (生产经 NPM 反代)
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router.get('/client-ip', (req, res) => {
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res.json({ ip: normalizeIp(req.ip || req.socket?.remoteAddress) })
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})
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export default router
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