headplane/app/routes/auth/oidc-callback.ts

import { type LoaderFunctionArgs, data } from 'react-router';
import { loadContext } from '~/utils/config/headplane';
import { finishOidc } from '~/utils/oidc';

export async function loader({ request }: LoaderFunctionArgs) {
	try {
		const context = await loadContext();
		if (!context.oidc) {
			throw new Error('An invalid OIDC configuration was provided');
		}

		return finishOidc(context.oidc, request);
	} catch (error) {
		// Gracefully present OIDC errors
		return data({ error }, { status: 500 });
	}
}