Replace host using "x-forwarded-fetch" (f815f0d9) · Commits · sc07 / Fedify Patched

examples/next-integration/lib/utils.ts

+5 −12

Original line number	Diff line number	Diff line
		import { getXForwardedRequest } from "x-forwarded-fetch";

		/**
		* Replaces the host of the request with the value of the
		* x-forwarded-host header, if present.
		@@ -5,15 +7,6 @@
		* @param handler The request handler to wrap.
		* @return A new request handler with the host replaced.
		*/
		export function replaceHost(handler: (request: Request) => unknown) {
		return (request: Request) => {
		const forwardedHost = request.headers.get("x-forwarded-host");
		if (!forwardedHost) return handler(request);
		const headers = new Headers(request.headers);
		headers.append("host", forwardedHost);
		const url = new URL(request.url);
		url.host = forwardedHost;
		url.port = "";
		return handler(new Request(url, { ...request, headers }));
		};
		}
		export const replaceHost =
		(handler: (request: Request) => unknown) => (request: Request) =>
		getXForwardedRequest(request).then(handler);

+6 −6

+3 −0