15 lines
476 B
JavaScript
15 lines
476 B
JavaScript
import fs from "fs";
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const config = JSON.parse(fs.readFileSync("server_config.json"));
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/**
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* gets ip of a request
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* @param {request} req
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* @returns ip of the given request, after taking preferred headers into account
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*/
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function getIP(req) {
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let ip = req.socket.remoteAddress;
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if (req.headers[config.preferred_ip_header] != undefined && ip == config.only_prefer_when_ip)
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ip = req.headers[config.preferred_ip_header];
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return ip;
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}
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export default getIP;
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