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a tool for shared writing and social publishing
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TypeScript
12345678910111213import type { NextRequest } from "next/server";
// req.url and req.nextUrl are normalized to the server's canonical origin — in// dev that's http://localhost:3000 even when the browser is on 127.0.0.1// (which the bsky oauth loopback redirect_uri requires). Auth cookies are// host-scoped, so an absolute redirect built from them sends the user to// localhost and strands the session there; build redirects from the Host// header instead.export function requestOrigin(req: NextRequest): string { const host = req.headers.get("host"); return host ? `${req.nextUrl.protocol}//${host}` : req.nextUrl.origin;}