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23 lines
783 B
JavaScript
23 lines
783 B
JavaScript
"use strict";
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Object.defineProperty(exports, "__esModule", { value: true });
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exports.getClientIp = void 0;
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function getFirstValidIp(ipString) {
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const ips = ipString.split(',').map(ip => ip.trim());
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return ips.find(ip => isValidIp(ip)) || '';
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}
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function isValidIp(ip) {
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return /^\d{1,3}(\.\d{1,3}){3}$/.test(ip) || /^::ffff:\d{1,3}(\.\d{1,3}){3}$/.test(ip);
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}
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function getClientIp(req) {
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const forwardedFor = req.header('x-forwarded-for');
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let clientIp = forwardedFor ? getFirstValidIp(forwardedFor) : '';
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if (!clientIp) {
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clientIp = req.connection.remoteAddress || req.socket.remoteAddress || '';
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}
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if (clientIp.startsWith('::ffff:')) {
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clientIp = clientIp.substring(7);
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}
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return clientIp;
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}
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exports.getClientIp = getClientIp;
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