tokenDelivery Hook

Type: onSendHookHandler Access: nauth.middleware.tokenDelivery

Intercepts responses to set authentication cookies.

Signature

(request: FastifyRequest, reply: FastifyReply, payload: unknown) => Promise<unknown>

Registration

fastify.addHook('onSend', nauth.middleware.tokenDelivery);

Behavior

• Detects AuthResponseDTO in response body
• Sets accessToken and refreshToken cookies based on delivery mode
• Removes tokens from JSON body when using cookie delivery
• Sets CSRF token cookie

Cookie Options

Configured via config.cookies:

Option	Type	Description
secure	boolean	HTTPS only
httpOnly	boolean	No JS access
sameSite	string	CSRF protection
domain	string	Cookie domain

Related

• tokenDelivery() helper