umami/lib/request.js
2022-03-11 22:17:47 -08:00

97 lines
2.2 KiB
JavaScript

import path from 'path';
import requestIp from 'request-ip';
import { browserName, detectOS } from 'detect-browser';
import isLocalhost from 'is-localhost-ip';
import maxmind from 'maxmind';
import {
DESKTOP_OS,
MOBILE_OS,
DESKTOP_SCREEN_WIDTH,
LAPTOP_SCREEN_WIDTH,
MOBILE_SCREEN_WIDTH,
} from './constants';
let lookup;
export function getIpAddress(req) {
// Custom header
if (req.headers[process.env.CLIENT_IP_HEADER]) {
return req.headers[process.env.CLIENT_IP_HEADER];
}
// Cloudflare
else if (req.headers['cf-connecting-ip']) {
return req.headers['cf-connecting-ip'];
}
return requestIp.getClientIp(req);
}
export function getDevice(screen, browser, os) {
if (!screen) return;
const [width] = screen.split('x');
if (DESKTOP_OS.includes(os)) {
if (os === 'Chrome OS' || width < DESKTOP_SCREEN_WIDTH) {
return 'laptop';
}
return 'desktop';
} else if (MOBILE_OS.includes(os)) {
if (os === 'Amazon OS' || width > MOBILE_SCREEN_WIDTH) {
return 'tablet';
}
return 'mobile';
}
if (width >= DESKTOP_SCREEN_WIDTH) {
return 'desktop';
} else if (width >= LAPTOP_SCREEN_WIDTH) {
return 'laptop';
} else if (width >= MOBILE_SCREEN_WIDTH) {
return 'tablet';
} else {
return 'mobile';
}
}
export async function getCountry(req, ip) {
// Cloudflare
if (req.headers['cf-ipcountry']) {
return req.headers['cf-ipcountry'];
}
// Ignore local ips
if (await isLocalhost(ip)) {
return;
}
// Database lookup
if (!lookup) {
lookup = await maxmind.open(path.resolve('./public/geo/GeoLite2-Country.mmdb'));
}
const result = lookup.get(ip);
return result?.country?.iso_code;
}
export async function getClientInfo(req, { screen }) {
const userAgent = req.headers['user-agent'];
const ip = getIpAddress(req);
const country = await getCountry(req, ip);
const browser = browserName(userAgent);
const os = detectOS(userAgent);
const device = getDevice(screen, browser, os);
return { userAgent, browser, os, ip, country, device };
}
export function getJsonBody(req) {
if ((req.headers['content-type'] || '').indexOf('text/plain') !== -1) {
return JSON.parse(req.body);
}
return req.body;
}