fusion-plugin-jwt

Session library that uses JSON Web Token and cookies

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Table of contents

• Installation
• Usage
• Setup
• API
  • Registration API
    • Session
    • SessionToken
  • Dependencies
    • SessionSecretToken
    • SessionCookieNameToken
    • SessionCookieExpiresToken
  • Service API
• Caveats

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Installation

yarn add fusion-plugin-jwt

---

Usage

export default createPlugin({
  deps: {Session: SessionToken},
  middleware() {
    return ({Session}) => {
      return async (ctx, next) => {
        const session = Session.from(ctx);
        session.set('some-key', 'some-value');
        const someValue = session.get('some-key');
        return next();
      }
    });
  }
});

---

Setup

// src/main.js
import React from 'react';
import App from 'fusion-react';
import JWTSession, {
  SessionSecretToken,
  SessionCookieNameToken,
  SessionCookieExpiresToken
} from 'fusion-plugin-jwt';
import {SessionToken} from 'fusion-tokens';

export default () => {
  const app = new App();
  // ...
  if (__NODE__) {
    app.register(SessionToken, JWTSession);
    app.register(SessionSecretToken, 'some-secret'); // required
    app.register(SessionCookieNameToken, 'some-cookie-name'); // required
    app.register(SessionCookieExpiresToken, 86400); // optional
  }
  // ...
  return app;
}

---

API

Registration API

Session

import Session from 'fusion-plugin-jwt';

The plugin. Should typically be registered to SessionToken

SessionToken

Typically should be registered with Session. See https://github.com/fusionjs/fusion-tokens#sessiontoken

Dependencies

SessionSecretToken

import {SessionSecretToken} from 'fusion-plugin-jwt';

Required. A secret for encrypting the JWT token / cookie. Can typically be a random static value.

Types

type Secret = string;

SessionCookieNameToken

import {SessionCookieNameToken} from 'fusion-plugin-jwt';

Required. A cookie name

Types

type CookieName = string;

SessionCookieExpiresToken

import {SessionCookieExpiresToken} from 'fusion-plugin-jwt';

Required. An expiration time in seconds.

Types

type CookieName = number;

---

Service API

const session: Session = Session.from((ctx: Context));

• ctx: Context - a Fusion.js context
• returns session: Session

Types

type Session = {
  set: (key: string, value: Object | Array | string | number | boolean) => any,
  get: (key: string) => any,
};

session.set

const value = session.set(key:string, val:Object|Array|string|number|boolean);

• key: string - Required
• val: Object|Array|string|number|boolean - A serializable value. Required
• returns value: any

session.get

const value: any = session.get(key: string);

• key: string - Required
• returns value: any

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Caveats

Note that there's a storage limit of ~4kb since data is stored in the cookie.