init

lib/request-origin.ts

@@ -0,0 +1,24 @@
+import { headers } from "next/headers";
+
+import { getEnv } from "@/lib/env";
+
+export async function getRequestOrigin() {
+  const headerList = await headers();
+  const forwardedProto = headerList.get("x-forwarded-proto");
+  const forwardedHost = headerList.get("x-forwarded-host");
+  const host = forwardedHost || headerList.get("host");
+
+  if (!host) {
+    return getEnv().APP_URL;
+  }
+
+  const proto =
+    forwardedProto || (host.startsWith("localhost") || host.startsWith("127.0.0.1") ? "http" : "http");
+
+  return `${proto}://${host}`;
+}
+
+export function getOriginFromRequest(request: Request) {
+  const url = new URL(request.url);
+  return `${url.protocol}//${url.host}`;
+}