headplane/app/routes/auth/oidc-start.ts
2025-03-24 16:15:38 -04:00

43 lines
1.1 KiB
TypeScript

import { type LoaderFunctionArgs, Session, redirect } from 'react-router';
import type { LoadContext } from '~/server';
import { AuthSession, OidcFlowSession } from '~/server/web/sessions';
import { beginAuthFlow, getRedirectUri } from '~/utils/oidc';
export async function loader({
request,
context,
}: LoaderFunctionArgs<LoadContext>) {
const session = await context.sessions.getOrCreate<OidcFlowSession>(request);
if ((session as Session<AuthSession>).has('api_key')) {
return redirect('/machines');
}
if (!context.oidc) {
throw new Error('OIDC is not enabled');
}
const redirectUri =
context.config.oidc?.redirect_uri ?? getRedirectUri(request);
const data = await beginAuthFlow(
context.oidc,
redirectUri,
// We can't get here without the OIDC config being defined
context.config.oidc!.token_endpoint_auth_method,
);
session.set('state', 'flow');
session.set('oidc', {
state: data.state,
nonce: data.nonce,
code_verifier: data.codeVerifier,
redirect_uri: redirectUri,
});
return redirect(data.url, {
status: 302,
headers: {
'Set-Cookie': await context.sessions.commit(session),
},
});
}