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refactor(gateway): share host header parsing

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This commit is contained in:
Peter Steinberger
2026-02-15 16:15:53 +00:00
parent 933a9945ae
commit 1843bcf1db
5 changed files with 24 additions and 56 deletions
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21
src/gateway/origin-check.ts
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@@ -1,26 +1,7 @@
import { isLoopbackHost } from "./net.js";
import { isLoopbackHost, normalizeHostHeader, resolveHostName } from "./net.js";
type OriginCheckResult = { ok: true } | { ok: false; reason: string };
function normalizeHostHeader(hostHeader?: string): string {
return (hostHeader ?? "").trim().toLowerCase();
}
function resolveHostName(hostHeader?: string): string {
const host = normalizeHostHeader(hostHeader);
if (!host) {
return "";
}
if (host.startsWith("[")) {
const end = host.indexOf("]");
if (end !== -1) {
return host.slice(1, end);
}
}
const [name] = host.split(":");
return name ?? "";
}
function parseOrigin(
originRaw?: string,
): { origin: string; host: string; hostname: string } | null {