55 lines
1.6 KiB
TypeScript
55 lines
1.6 KiB
TypeScript
export function getCountryFromHeaders(headers: Headers): string | null {
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// Try Vercel's country header first
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const vercelCountry = headers.get('x-vercel-ip-country');
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if (vercelCountry) {
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return vercelCountry;
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}
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// Try Cloudflare's country header
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const cfCountry = headers.get('cf-ipcountry');
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if (cfCountry && cfCountry !== 'XX') {
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return cfCountry;
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}
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// Fallback to other common headers
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const country = headers.get('x-country-code') || headers.get('x-forwarded-country');
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return country || null;
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}
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export function parseUserAgent(userAgent: string | null): { device: string | null; os: string | null } {
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if (!userAgent) {
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return { device: null, os: null };
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}
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let device: string | null = null;
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let os: string | null = null;
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// Detect device
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// iPadOS 13+ sends "Macintosh" user agent.
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// Without referrer info here, we fall back to checking for Safari-only Mac UAs (common for iPad)
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const isIPad = /iPad/i.test(userAgent) ||
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(/Macintosh/i.test(userAgent) && /Safari/i.test(userAgent) && !/Chrome/i.test(userAgent));
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if (isIPad || /Tablet|PlayBook|Silk/i.test(userAgent)) {
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device = 'tablet';
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} else if (/Mobile|Android|iPhone/i.test(userAgent) && !isIPad) {
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device = 'mobile';
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} else {
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device = 'desktop';
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}
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// Detect OS
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if (/Windows/.test(userAgent)) {
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os = 'Windows';
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} else if (/Mac OS X|macOS/.test(userAgent)) {
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os = 'macOS';
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} else if (/Linux/.test(userAgent)) {
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os = 'Linux';
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} else if (/Android/.test(userAgent)) {
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os = 'Android';
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} else if (/iOS|iPhone|iPad/.test(userAgent)) {
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os = 'iOS';
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}
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return { device, os };
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} |