30 lines
750 B
TypeScript
30 lines
750 B
TypeScript
import { NextResponse } from 'next/server';
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const IP_HEADER_ORDER = [
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'cf-connecting-ip',
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'true-client-ip',
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'x-vercel-forwarded-for', // Vercel-specific, most reliable on Vercel
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'x-forwarded-for', // Standard proxy header (first IP in chain)
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'x-real-ip', // Alternative header
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'x-client-ip',
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'fastly-client-ip',
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'do-connecting-ip',
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'x-cluster-client-ip',
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];
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export const GET = function POST(req: Request) {
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return NextResponse.json({
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headers: Object.fromEntries(req.headers),
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ips: IP_HEADER_ORDER.reduce(
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(acc, header) => {
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const value = req.headers.get(header);
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if (value) {
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acc[header] = value;
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}
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return acc;
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},
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{} as Record<string, string>,
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),
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});
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};
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