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28 lines
919 B
28 lines
919 B
'use strict';
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const { ipHashPermLevel } = require(__dirname+'/../configs/main.js')
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, { isIP } = require('net')
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, hashIp = require(__dirname+'/haship.js');
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module.exports = (req, res, next) => {
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const ip = req.headers['x-real-ip'] || req.connection.remoteAddress; //need to consider forwarded-for, etc here and in nginx
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const ipVersion = isIP(ip);
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if (ipVersion) {
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const delimiter = ipVersion === 4 ? '.' : ':';
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let split = ip.split(delimiter);
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const qrange = split.slice(0,Math.floor(split.length*0.75)).join(delimiter);
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const hrange = split.slice(0,Math.floor(split.length*0.5)).join(delimiter);
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res.locals.ip = {
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raw: ipHashPermLevel === -1 ? hashIp(ip) : ip,
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single: hashIp(ip),
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qrange: hashIp(qrange),
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hrange: hashIp(hrange),
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}
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next();
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} else {
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return res.status(400).render('message', {
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'title': 'Bad request',
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'message': 'Malformed IP' //should never get here
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});
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}
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}
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