remove(oauth): drop browser-initiated DCR registration flow

OAuthRegisterPage and its server routes (GET /api/oauth/register/validate,
POST /api/oauth/register) are superseded by the RFC 7591 machine-to-machine
DCR endpoint (POST /oauth/register). Claude.ai and compliant MCP clients
register via RFC 7591, then go through the standard /oauth/authorize consent
screen for scope selection.
This commit is contained in:
jubnl
2026-04-10 06:22:37 +02:00
parent 4ad1ccf5dd
commit cc2a2ddca3
4 changed files with 0 additions and 295 deletions
-70
View File
@@ -358,76 +358,6 @@ oauthApiRouter.post('/authorize', requireCookieAuth, (req: Request, res: Respons
return res.json({ redirect: url.toString() });
});
// ---- Browser-initiated dynamic client registration ----
// SPA calls this on load to validate DCR params before rendering scope selection UI
oauthApiRouter.get('/register/validate', validateLimiter, optionalAuth, (req: Request, res: Response) => {
if (!isAddonEnabled(ADDON_IDS.MCP)) return res.status(404).end();
const { redirect_uri, client_name, scope } = req.query as Record<string, string>;
const userId = (req as OptionalAuthRequest).user?.id ?? null;
if (!redirect_uri) {
return res.json({ valid: false, error: 'invalid_request', error_description: 'redirect_uri is required' });
}
if (!isValidRedirectUri(redirect_uri)) {
return res.json({ valid: false, error: 'invalid_redirect_uri', error_description: 'redirect_uri must use HTTPS (localhost is exempt)' });
}
// Anti-fingerprinting: don't expose details to unauthenticated callers
if (userId === null) {
return res.json({ valid: true, loginRequired: true });
}
const resolvedName = (client_name || '').trim().slice(0, 100) || 'MCP Client';
const requestedScopes = (scope || '').split(' ').filter(s => (ALL_SCOPES as string[]).includes(s));
return res.json({ valid: true, client_name: resolvedName, requested_scopes: requestedScopes });
});
// User submits DCR approval (or cancel) — requires cookie auth
oauthApiRouter.post('/register', requireCookieAuth, (req: Request, res: Response) => {
if (!isAddonEnabled(ADDON_IDS.MCP)) return res.status(403).json({ error: 'MCP is not enabled' });
const { user } = req as AuthRequest;
const { client_name, redirect_uri, scopes, state, approved } = req.body as {
client_name: string;
redirect_uri: string;
scopes: string[];
state?: string;
approved?: boolean;
};
const ip = getClientIp(req);
// Validate redirect_uri before constructing any redirect URL
if (!redirect_uri || !isValidRedirectUri(redirect_uri)) {
return res.status(400).json({ error: 'invalid_request', error_description: 'Invalid redirect_uri' });
}
if (approved === false) {
const url = new URL(redirect_uri);
url.searchParams.set('error', 'access_denied');
url.searchParams.set('error_description', 'User cancelled the registration');
if (state) url.searchParams.set('state', state);
return res.json({ redirect: url.toString() });
}
const result = createOAuthClient(
user.id, client_name, [redirect_uri], scopes, ip,
{ isPublic: true, createdVia: 'browser-registration' },
);
if (result.error) return res.status(result.status || 400).json({ error: result.error });
const newClientId = result.client!.client_id as string;
saveConsent(newClientId, user.id, scopes, ip);
const url = new URL(redirect_uri);
url.searchParams.set('client_id', newClientId);
if (state) url.searchParams.set('state', state);
return res.json({ redirect: url.toString() });
});
// ---- OAuth client CRUD ----
oauthApiRouter.get('/clients', authenticate, (req: Request, res: Response) => {