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16 lines
713 B
16 lines
713 B
'use strict';
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const { ipHashSecret } = require(__dirname+'/../configs/main.json')
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, { createHash } = require('crypto');
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module.exports = (req, res, next) => {
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const ip = req.headers['x-real-ip']; //need to consider forwarded-for, etc here and in nginx
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const delimiter = ip.includes('.') ? '.' : ':';
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let split = ip.split(delimiter);
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res.locals.ip = {
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hash: createHash('sha256').update(ipHashSecret + ip).digest('base64'),
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qrange: createHash('sha256').update(ipHashSecret + split.slice(0,Math.floor(split.length*0.75)).join(delimiter)).digest('base64'),
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hrange: createHash('sha256').update(ipHashSecret + split.slice(0,Math.floor(split.length*0.5)).join(delimiter)).digest('base64'),
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}
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next();
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}
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