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51 lines
1.5 KiB
51 lines
1.5 KiB
'use strict';
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const { ipHeader, ipHashPermLevel } = require(__dirname+'/../configs/main.js')
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, { parse } = require('ip6addr')
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, deleteTempFiles = require(__dirname+'/files/deletetempfiles.js')
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, dynamicResponse = require(__dirname+'/dynamic.js')
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, hashIp = require(__dirname+'/haship.js');
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module.exports = (req, res, next) => {
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//tor user ip uses bypass id, if they dont have one send to blockbypass
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if (res.locals.anonymizer) {
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const pseudoIp = res.locals.preFetchedBypassId || req.signedCookies.bypassid;
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res.locals.ip = {
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raw: pseudoIp,
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single: pseudoIp,
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qrange: pseudoIp,
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hrange: pseudoIp,
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};
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return next();
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}
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//ip for normal user
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const ip = req.headers[ipHeader] || req.connection.remoteAddress;
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try {
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const ipParsed = parse(ip);
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const ipStr = ipParsed.toString({
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format: ipParsed.kind() === 'ipv4' ? 'v4' : 'v6',
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zeroElide: false,
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zeroPad: false,
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});
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const delimiter = ipParsed.kind() === 'ipv4' ? '.' : ':';
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let split = ipStr.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(ipStr) : ipStr,
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single: hashIp(ipStr),
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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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} catch(e) {
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console.error('Ip parse failed', e);
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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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