The customCSS field on status pages was persisted and validated
end-to-end but never rendered on the public page, so operator-supplied
styles had no effect.
Inject the string as a <style> tag on the public route (which the
admin preview iframe also renders), reusing the existing
cssReferencesExternalResource check so external-resource CSS
(@import, url(http…), //…) is dropped defensively on the client.
The admin preview iframe already points at the public URL, so this
one insertion covers both the live page and the in-app preview.
The preview framed the page public URL, which for a custom domain is cross
origin and blocked by the admin document CSP frame-src. Point the iframe at the
same-origin public path while the frame chrome still shows the public URL.
The form only enforced the length cap, so CSS with an external url() or @import
passed client validation and was rejected by the server. Add the same tokenizer
based check with the same error message so it is caught inline before submit.
- Add standard custom HTTP status codes (Cloudflare, AWS ELB, etc.) to both frontend and backend allowlists.
- Enforce strict validation of custom status codes using Zod sets on both sides, ensuring they match perfectly.
The preview previously rendered the themed status page inline in the
admin document, so document-global concerns leaked in both directions:
custom CSS spilled into the admin UI and the theme body painting never
showed. Pointing the BrowserFrame at the real public URL in an iframe
isolates the CSS completely and makes the preview pixel-identical to
what visitors see. Auth for unpublished pages keeps working because the
same-origin iframe shares localStorage and the API client reads the
token from the rehydrated store.
Bound customCSS to 100000 characters on both the client schema and the
server body validation (the server is the enforcement boundary; multer's
1MB field cap was the only limit), regenerate the OpenAPI spec, and add
a validation test suite covering acceptance, clearing, the length cap,
and type rejection.
The customCSS field existed on the model, types, and form schema but was
never editable, sent to the API, or rendered. Wire it end to end:
- Accept customCSS in the create/update status page body validation and
regenerate the OpenAPI spec
- Add a Custom CSS editor (multiline field) to the status page form and
include the value in the submitted form data
- Support multiline mode in the shared TextInput component
- Inject the saved CSS via a style tag when rendering the status page