73 lines
1.6 KiB
JavaScript
73 lines
1.6 KiB
JavaScript
import crypto from 'crypto';
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import { v5 as uuid } from 'uuid';
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import requestIp from 'request-ip';
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import { browserName, detectOS } from 'detect-browser';
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export function md5(s) {
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return crypto.createHash('md5').update(s).digest('hex');
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}
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export function hash(s) {
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return uuid(s, md5(process.env.HASH_SALT));
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}
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export function getIpAddress(req) {
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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 function getCountry(req) {
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return req.headers['cf-ipcountry'];
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}
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export function parseSessionRequest(req) {
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const ip = getIpAddress(req);
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const { website_id, screen, language } = JSON.parse(req.body);
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const { userAgent, browser, os } = getDevice(req);
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const country = getCountry(req);
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const session_id = hash(`${website_id}${ip}${userAgent}${os}`);
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return {
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website_id,
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session_id,
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browser,
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os,
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screen,
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language,
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country,
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};
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}
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export function parseCollectRequest(req) {
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const { type, payload } = JSON.parse(req.body);
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if (payload.session) {
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const {
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url,
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referrer,
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session: { website_id, session_id, time, hash: validationHash },
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} = payload;
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if (hash(`${website_id}${session_id}${time}`) === validationHash) {
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return {
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type,
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session_id,
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url,
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referrer,
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};
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}
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}
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return null;
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}
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