@hapic/oauth2 🛡️

This client provides an easy way to authenticate and authorize users, clients, robots, ... using OAuth2 and OpenID Connect standards. With this API client, developers can easily interact with the server's endpoints, such as authentication flows, token issuance, and user management. The client offers a range of abstractions to simplify interactions with the server and speed up the development process. Whether you are an experienced developer or new to OAuth2/OpenID, this API client is a powerful tool to help you implement secure users, clients & robots authentication and authorization in your applications.

Table of Contents

• Documentation
• Installation
• Usage
  • Authorize
  • Token
  • UserInfo
• License

Documentation

To read the docs, visit https://hapic.tada5hi.net

Installation

npm install @hapic/oauth2 --save

Usage

Authorize

URL

import { OAuth2Client } from '@hapic/oauth2';

const client = new OAuth2Client({
    request: {
        baseURL: 'http://localhost:3000/',
    },
    options: {
        /**
         * default: /authorize
         */
        authorizationEndpoint: 'https://example.com/authorize'
    }
});

const authorizeUrl = client.authorize.buildURL({
    client_id: 'client',
    /**
     * Relative or absolute url.
     */
    redirect_uri: 'http://localhost:3000/redirect-callback'
});

console.log(authorizeUrl);
// https://example.com/authorize?
//     response_type=code&
//     client_id=client&
//     redirect_uri=http://localhost:3000/redirect-callback

Token

Create

import { OAuth2Client } from '@hapic/oauth2';

const client = new OAuth2Client({
    request: {
        baseURL: 'http://localhost:3000/'
    },
    options: {
        /**
         * default: /token
         */
        tokenEndpoint: 'https://example.com/authorize',
        clientId: 'client',
        clientSecret: 'secret',
    }
});

let token = await client.token.createWithRefreshTokenGrant({
    refresh_token: 'refresh_token'
});

token = await client.token.createWithClientCredentialsGrant({
    // optional, if defined globally
    client_id: 'foo',
    client_secret: 'bar',
});

token = await client.token.createWithPasswordGrant({
    username: 'admin',
    password: 'start123'
});

token = await client.token.createWithAuthorizationCodeGrant({
    state: 'state',
    code: 'code'
});

token = await client.token.createWithRobotCredentialsGrant({
    id: 'system',
    secret: 'start123'
});

console.log(token);
// { token_type: 'Bearer', access_token: 'xxx', refres_token: 'xxx', ...}

Introspect

import { OAuth2Client } from '@hapic/oauth2';

const client = new OAuth2Client({
    request: {
        baseURL: 'http://localhost:3000/'
    },
    options: {
        /**
         * default: /token/introspect
         */
        introspectionEndpoint: 'https://example.com/token/introspect'
    }
});

let token = await client.token.introspect({
    token: 'xxx',
    // token_type_hint: 'xxx',
});

// authorize introspection request with custom header
token = await client.token.introspect(
    {
        token: 'xxx',
        // token_type_hint: 'xxx'
    },
    {
        authorizationHeader: 'xxx',
    }
)

// authorize introspection request with existing client token.
token = await client.token.introspect(
    {
        token: 'xxx',
        // token_type_hint: 'xxx'
    },
    {
        authorizationHeaderInherit: true,
    }
)

// authorize introspection request with client credentials
token = await client.token.introspect(
    {
        token: 'xxx',
        client_id: 'client',
        client_secret: 'secret'
    }
)

// authorize introspection request with client credentials header
token = await client.token.introspect(
    {
        token: 'xxx'
    },
    {
        clientId: 'client',
        clientSecret: 'secret'
    }
);

console.log(token);
// { active: true, ... }

UserInfo

import { OAuth2Client } from '@hapic/oauth2';

const client = new OAuth2Client({
    request: {
        baseURL: 'http://localhost:3000/'
    },
    options: {
        /**
         * default: /userinfo
         */
        userInfoEndpoint: 'https://example.com/users/@me'
    }
});

// authenticate by authorization string
let userInfo = await client.userInfo.get('Bearer xxx');

// authenticate by authorization object configuration
userInfo = await client.userInfo.get({
    type: 'Basic',
    username: 'admin',
    password: 'start123'
});

// authenticate by existing client token
userInfo = await client.userInfo.get();

console.log(userInfo);
// { id: 'xxx', name: 'admin', ...}

License

Made with 💚

Published under MIT License.