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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,59 @@ | ||
| import { get } from 'https'; | ||
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| function isValidIP(ip) { | ||
| const ipv4Pattern = | ||
| /^(?:(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.){3}(?:25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)$/; | ||
| const ipv6Pattern = | ||
| /^(([0-9a-fA-F]{1,4}:){7}([0-9a-fA-F]{1,4})|(([0-9a-fA-F]{1,4}:){0,6}([0-9a-fA-F]{1,4})?::([0-9a-fA-F]{1,4}:){0,6}([0-9a-fA-F]{1,4})?))$/; | ||
| return ipv4Pattern.test(ip) || ipv6Pattern.test(ip); | ||
| }; | ||
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| export default (req, res) => { | ||
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| // 限制只能从指定域名访问 | ||
| const allowedDomains = ['localhost', ...(process.env.ALLOWED_DOMAINS || '').split(',')]; | ||
| const referer = req.headers.referer; | ||
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| if (referer) { | ||
| const domain = new URL(referer).hostname; | ||
| if (!allowedDomains.includes(domain)) { | ||
| return res.status(403).json({ error: 'Access denied' }); | ||
| } | ||
| } else { | ||
| return res.status(403).json({ error: 'What are you doing?' }); | ||
| } | ||
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| // 从请求中获取 IP 地址 | ||
| const ipAddress = req.query.ip; | ||
| if (!ipAddress) { | ||
| return res.status(400).json({ error: 'No IP address provided' }); | ||
| } | ||
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| // 检查 IP 地址是否合法 | ||
| if (!isValidIP(ipAddress)) { | ||
| return res.status(400).json({ error: 'Invalid IP address' }); | ||
| } | ||
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| const lang = req.query.lang || 'en'; | ||
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| const key = process.env.IPChecking_API_KEY; | ||
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| // 构建请求 IPCheck.ing 的 URL | ||
| const url = new URL(`https://api.ipcheck.ing/ipinfo?key=${key}&ip=${ipAddress}&lang=${lang}`); | ||
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| get(url, apiRes => { | ||
| let data = ''; | ||
| apiRes.on('data', chunk => data += chunk); | ||
| apiRes.on('end', () => { | ||
| try { | ||
| const originalJson = JSON.parse(data); | ||
| res.json(originalJson); | ||
| } catch (e) { | ||
| res.status(500).json({ error: 'Error parsing JSON' }); | ||
| } | ||
| }); | ||
| }).on('error', (e) => { | ||
| res.status(500).json({ error: e.message }); | ||
| }); | ||
| } |
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