forked from Mike/freno-dev
103 lines
2.9 KiB
TypeScript
103 lines
2.9 KiB
TypeScript
import type { H3Event } from "vinxi/http";
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import { UAParser } from "ua-parser-js";
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export interface DeviceInfo {
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deviceName?: string;
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deviceType?: "desktop" | "mobile" | "tablet";
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browser?: string;
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os?: string;
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}
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/**
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* Parse user agent string to extract device information
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* @param userAgent - User agent string from request headers
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* @returns Parsed device information
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*/
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export function parseDeviceInfo(userAgent: string): DeviceInfo {
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const parser = new UAParser(userAgent);
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const result = parser.getResult();
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// Determine device type
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let deviceType: "desktop" | "mobile" | "tablet" = "desktop";
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if (result.device.type === "mobile") {
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deviceType = "mobile";
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} else if (result.device.type === "tablet") {
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deviceType = "tablet";
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}
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// Build device name (e.g., "iPhone 14", "Windows PC", "iPad Pro")
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let deviceName: string | undefined;
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if (result.device.vendor && result.device.model) {
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deviceName = `${result.device.vendor} ${result.device.model}`;
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} else if (result.os.name) {
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deviceName = `${result.os.name} ${deviceType === "desktop" ? "Computer" : deviceType}`;
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}
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// Browser info (e.g., "Chrome 120")
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const browser =
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result.browser.name && result.browser.version
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? `${result.browser.name} ${result.browser.version.split(".")[0]}`
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: result.browser.name;
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// OS info (e.g., "macOS 14.1", "Windows 11", "iOS 17")
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const os =
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result.os.name && result.os.version
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? `${result.os.name} ${result.os.version}`
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: result.os.name;
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return {
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deviceName,
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deviceType,
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browser,
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os
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};
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}
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/**
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* Extract device information from H3Event
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* @param event - H3Event
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* @returns Device information
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*/
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export function getDeviceInfo(event: H3Event): DeviceInfo {
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const userAgent = event.node.req.headers["user-agent"] || "";
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return parseDeviceInfo(userAgent);
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}
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/**
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* Generate a human-readable device description
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* @param deviceInfo - Device information
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* @returns Formatted device string (e.g., "Chrome on macOS", "iPhone")
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*/
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export function formatDeviceDescription(deviceInfo: DeviceInfo): string {
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const parts: string[] = [];
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if (deviceInfo.deviceName) {
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parts.push(deviceInfo.deviceName);
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}
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if (deviceInfo.browser) {
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parts.push(deviceInfo.browser);
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}
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if (deviceInfo.os && !deviceInfo.deviceName?.includes(deviceInfo.os)) {
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parts.push(`on ${deviceInfo.os}`);
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}
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return parts.length > 0 ? parts.join(" • ") : "Unknown Device";
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}
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/**
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* Create a short device fingerprint for comparison
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* Not cryptographic, just for grouping similar logins
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* @param deviceInfo - Device information
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* @returns Short fingerprint string
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*/
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export function createDeviceFingerprint(deviceInfo: DeviceInfo): string {
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const parts = [
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deviceInfo.deviceType || "unknown",
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deviceInfo.os?.split(" ")[0] || "unknown",
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deviceInfo.browser?.split(" ")[0] || "unknown"
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];
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return parts.join("-").toLowerCase();
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}
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