feat: Squashed commit of fixing "none" authentication and adding a sessions system for mobile, electron, and web
This commit is contained in:
LukeGus
243
src/backend/utils/user-agent-parser.ts
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243
src/backend/utils/user-agent-parser.ts
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import type { Request } from "express";
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export type DeviceType = "web" | "desktop" | "mobile";
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export interface DeviceInfo {
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type: DeviceType;
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browser: string;
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version: string;
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os: string;
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deviceInfo: string; // Formatted string like "Chrome 120 on Windows 11"
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}
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/**
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* Detect the platform type based on request headers
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*/
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export function detectPlatform(req: Request): DeviceType {
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const userAgent = req.headers["user-agent"] || "";
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const electronHeader = req.headers["x-electron-app"];
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// Electron app detection
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if (electronHeader === "true") {
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return "desktop";
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}
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// Mobile app detection
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if (userAgent.includes("Termix-Mobile")) {
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return "mobile";
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}
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// Default to web
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return "web";
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}
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/**
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* Parse User-Agent string to extract device information
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*/
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export function parseUserAgent(req: Request): DeviceInfo {
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const userAgent = req.headers["user-agent"] || "Unknown";
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const platform = detectPlatform(req);
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// For Electron
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if (platform === "desktop") {
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return parseElectronUserAgent(userAgent);
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}
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// For Mobile app
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if (platform === "mobile") {
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return parseMobileUserAgent(userAgent);
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}
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// For web browsers
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return parseWebUserAgent(userAgent);
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}
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/**
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* Parse Electron app user agent
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*/
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function parseElectronUserAgent(userAgent: string): DeviceInfo {
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let os = "Unknown OS";
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let version = "Unknown";
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// Detect OS
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if (userAgent.includes("Windows")) {
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os = parseWindowsVersion(userAgent);
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} else if (userAgent.includes("Mac OS X")) {
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os = parseMacVersion(userAgent);
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} else if (userAgent.includes("Linux")) {
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os = "Linux";
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}
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// Try to extract Electron version
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const electronMatch = userAgent.match(/Electron\/([\d.]+)/);
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if (electronMatch) {
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version = electronMatch[1];
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}
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return {
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type: "desktop",
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browser: "Electron",
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version,
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os,
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deviceInfo: `Termix Desktop on ${os}`,
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};
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}
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/**
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* Parse mobile app user agent
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*/
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function parseMobileUserAgent(userAgent: string): DeviceInfo {
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let os = "Unknown OS";
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let version = "Unknown";
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// Detect mobile OS
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if (userAgent.includes("Android")) {
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const androidMatch = userAgent.match(/Android ([\d.]+)/);
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os = androidMatch ? `Android ${androidMatch[1]}` : "Android";
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} else if (
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userAgent.includes("iOS") ||
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userAgent.includes("iPhone") ||
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userAgent.includes("iPad")
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) {
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const iosMatch = userAgent.match(/OS ([\d_]+)/);
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if (iosMatch) {
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const iosVersion = iosMatch[1].replace(/_/g, ".");
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os = `iOS ${iosVersion}`;
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} else {
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os = "iOS";
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}
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}
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// Try to extract app version (if included in UA)
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const versionMatch = userAgent.match(/Termix-Mobile\/([\d.]+)/);
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if (versionMatch) {
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version = versionMatch[1];
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}
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return {
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type: "mobile",
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browser: "Termix Mobile",
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version,
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os,
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deviceInfo: `Termix Mobile on ${os}`,
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};
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}
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/**
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* Parse web browser user agent
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*/
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function parseWebUserAgent(userAgent: string): DeviceInfo {
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let browser = "Unknown Browser";
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let version = "Unknown";
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let os = "Unknown OS";
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// Detect browser
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if (userAgent.includes("Edg/")) {
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const match = userAgent.match(/Edg\/([\d.]+)/);
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browser = "Edge";
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version = match ? match[1] : "Unknown";
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} else if (userAgent.includes("Chrome/") && !userAgent.includes("Edg")) {
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const match = userAgent.match(/Chrome\/([\d.]+)/);
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browser = "Chrome";
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version = match ? match[1] : "Unknown";
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} else if (userAgent.includes("Firefox/")) {
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const match = userAgent.match(/Firefox\/([\d.]+)/);
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browser = "Firefox";
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version = match ? match[1] : "Unknown";
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} else if (userAgent.includes("Safari/") && !userAgent.includes("Chrome")) {
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const match = userAgent.match(/Version\/([\d.]+)/);
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browser = "Safari";
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version = match ? match[1] : "Unknown";
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} else if (userAgent.includes("Opera/") || userAgent.includes("OPR/")) {
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const match = userAgent.match(/(?:Opera|OPR)\/([\d.]+)/);
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browser = "Opera";
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version = match ? match[1] : "Unknown";
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}
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// Detect OS
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if (userAgent.includes("Windows")) {
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os = parseWindowsVersion(userAgent);
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} else if (userAgent.includes("Mac OS X")) {
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os = parseMacVersion(userAgent);
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} else if (userAgent.includes("Linux")) {
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os = "Linux";
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} else if (userAgent.includes("Android")) {
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const match = userAgent.match(/Android ([\d.]+)/);
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os = match ? `Android ${match[1]}` : "Android";
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} else if (
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userAgent.includes("iOS") ||
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userAgent.includes("iPhone") ||
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userAgent.includes("iPad")
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) {
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const match = userAgent.match(/OS ([\d_]+)/);
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if (match) {
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const iosVersion = match[1].replace(/_/g, ".");
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os = `iOS ${iosVersion}`;
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} else {
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os = "iOS";
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}
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}
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// Shorten version to major.minor
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if (version !== "Unknown") {
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const versionParts = version.split(".");
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version = versionParts.slice(0, 2).join(".");
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}
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return {
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type: "web",
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browser,
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version,
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os,
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deviceInfo: `${browser} ${version} on ${os}`,
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};
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}
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/**
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* Parse Windows version from user agent
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*/
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function parseWindowsVersion(userAgent: string): string {
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if (userAgent.includes("Windows NT 10.0")) {
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return "Windows 10/11";
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} else if (userAgent.includes("Windows NT 6.3")) {
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return "Windows 8.1";
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} else if (userAgent.includes("Windows NT 6.2")) {
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return "Windows 8";
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} else if (userAgent.includes("Windows NT 6.1")) {
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return "Windows 7";
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} else if (userAgent.includes("Windows NT 6.0")) {
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return "Windows Vista";
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} else if (
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userAgent.includes("Windows NT 5.1") ||
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userAgent.includes("Windows NT 5.2")
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) {
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return "Windows XP";
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}
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return "Windows";
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}
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/**
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* Parse macOS version from user agent
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*/
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function parseMacVersion(userAgent: string): string {
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const match = userAgent.match(/Mac OS X ([\d_]+)/);
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if (match) {
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const version = match[1].replace(/_/g, ".");
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const parts = version.split(".");
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const major = parseInt(parts[0]);
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const minor = parseInt(parts[1]);
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// macOS naming
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if (major === 10) {
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if (minor >= 15) return `macOS ${major}.${minor}`;
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if (minor === 14) return "macOS Mojave";
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if (minor === 13) return "macOS High Sierra";
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if (minor === 12) return "macOS Sierra";
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} else if (major >= 11) {
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return `macOS ${major}`;
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}
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return `macOS ${version}`;
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}
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return "macOS";
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}
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