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Session

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This module adds cookie-based sessions to your application.

Install

npm install @primate/session

Configure

Import and initialize the module in your configuration.

primate.config.js
import session from "@primate/session";

export default {
  modules: [
    session(),
  ],
};

Use

This module creates and sends a session cookie with the response using the Set-Cookie header. If the client issues a request with a cookie that identifies an existing session id, no new cookie is created or sent.

The session's data (which consists only of id unless you change the default manager) is made available to the route function as request.session.

routes/index.js
export default {
  get(request) {
    // send a 200 OK, plain text with the cookie's id as body
    return request.session.id;
  },
};

By that example, a client requesting GET / will see its own session id.

Configuration options

name

Default "sessionId"

The session cookie's name.

sameSite

Default "Strict"

The cookie's SameSite attribute.

path

Default "/"

The cookie's Path attribute.

manager

Default in-memory session manager

The session manager. When called, it returns a function that is given an id identifying a session and returns a session object to be set on request. The return object must contain a id property. If the given id and the returned session.id differ, a Set-Cookie header is added to the response.

Unless set, a default in-memory manager will be used, such that sessions do not survive an app restart.

implicit

Default false

Whether sessions should be automatically created, without explicitly calling request.session.create().

Security

Protocol downgrade attacks cookies are sent with the Secure attribute if Primate is running on https

Cross-site scripting attacks cookies are always sent with the HttpOnly attribute

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