64 lines
1.5 KiB
JavaScript
64 lines
1.5 KiB
JavaScript
import requestIp from 'request-ip';
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import { browserName, detectOS } from 'detect-browser';
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import maxmind from 'maxmind';
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import geolite2 from 'geolite2-redist';
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import isLocalhost from 'is-localhost-ip';
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import { hash } from './crypto';
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export function getIpAddress(req) {
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// Cloudflare
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if (req.headers['cf-connecting-ip']) {
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return req.headers['cf-connecting-ip'];
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}
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return requestIp.getClientIp(req);
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}
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export function getDevice(req) {
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const userAgent = req.headers['user-agent'];
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const browser = browserName(userAgent);
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const os = detectOS(userAgent);
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return { userAgent, browser, os };
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}
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export async function getCountry(req, ip) {
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// Cloudflare
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if (req.headers['cf-ipcountry']) {
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return req.headers['cf-ipcountry'];
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}
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// Ignore local ips
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if (await isLocalhost(ip)) {
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return;
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}
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// Database lookup
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const lookup = await geolite2.open('GeoLite2-Country', path => {
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return maxmind.open(path);
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});
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const result = lookup.get(ip);
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lookup.close();
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return result.country.iso_code;
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}
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export function parseSession(session) {
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const [website_id, website_uuid, session_id, session_uuid, sig] = (session || '').split(':');
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return {
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website_id: parseInt(website_id),
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website_uuid,
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session_id: parseInt(session_id),
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session_uuid,
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sig,
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};
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}
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export function isValidSession(session) {
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const { website_id, website_uuid, session_id, session_uuid, sig } = parseSession(session);
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return hash(website_id, website_uuid, session_id, session_uuid) === sig;
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}
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