---
title: "CsrfOriginResolver"
source: "https://github.com/remix-run/remix/blob/8905f3943706e1f53696ab83e70a84873cabfc90/packages/csrf-middleware/src/lib/csrf.ts#L29"
---

# CsrfOriginResolver

## Summary

Resolves whether an unsafe request origin should be trusted.

## Signature

```ts
interface CsrfOriginResolver {
  (
    origin: string,
    context: AnyRequestContext,
  ): CsrfOriginResolverResult | Promise<CsrfOriginResolverResult>
}

```