Iain Sproat
24 lines
595 B
JavaScript
24 lines
595 B
JavaScript
const getIpFromRequest = (req) => {
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let ip
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try {
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ip =
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req.headers['cf-connecting-ip'] ||
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req.headers['true-client-ip'] ||
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req.headers['x-real-ip'] ||
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req.headers['x-forwarded-for'] ||
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req.headers['x-original-forwarded-for'] ||
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req.ip ||
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req.connection.remoteAddress ||
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''
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} catch {
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ip = ''
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}
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const ignorePrefixes = ['192.168.', '10.', '127.', '172.1', '172.2', '172.3', '::']
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for (const ipPrefix of ignorePrefixes)
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if (ip.startsWith(ipPrefix) || ip === '') return null
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return ip
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}
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module.exports = { getIpFromRequest }
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