twitter-oauth2
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1.1.1 • Public • Published

twitter-oauth2

Npm package version CI Publish CodeQL Coverage Status License: MIT

Express.js middleware implementation for Twitter OAuth 2.0 Client.

This module supports the following grant type available on twitter:

Table of Contents

Install

$ npm i twitter-oauth2

Usage

import express from 'express';
import session from 'express-session';
import { request } from 'undici';
import { twitterOAuth2 } from 'twitter-oauth2';

const app: express.Express = express();

/* ---- express-session ----*/
app.use(session({
  name: 'YOUR-SESSION-NAME',
  secret: 'YOUR-SECRET',
  resave: false,
  saveUninitialized: true
}))

app.use(twitterOAuth2({
  client_id: 'YOUR-CLIENT-ID',
  client_secret: 'YOUR-CLIENT-SECRET',
  redirect_uri: 'YOUR-REDIRECT-URI',
  scope: 'tweet.read users.read offline.access'
}))

app.get('/', async (req: express.Request, res: express.Response) => {
  const tokenSet = req.session.tokenSet;
  console.log('received tokens %j', req.session.tokenSet);
  const { body } = await request('https://api.twitter.com/2/users/me',
    {
      headers: {
        Authorization: `Bearer ${tokenSet?.access_token}`
      }
    });
  const username = (await body.json()).data.username;
  res.send(`Hello ${username}!`);
})

Note This module uses a session store that is compatible with express-session.

See the example for more details.

Authorization Code Grant with PKCE

The required arguments depend on the client type.

Confidential Client

app.use(twitterOAuth2({
  client_id: 'YOUR-CLIENT-ID',
  client_secret: 'YOUR-CLIENT-SECRET',
  redirect_uri: 'YOUR-REDIRECT-URI',
  scope: 'tweet.read users.read offline.access'
}))

Public Client

app.use(twitterOAuth2({
  client_type: 'public',
  client_id: 'YOUR-CLIENT-ID',
  redirect_uri: 'YOUR-REDIRECT-URI',
  scope: 'tweet.read users.read offline.access'
}))

Client Credentials Grant

app.use(twitterOAuth2({
  consumer_key: 'YOUR-CONSUMER-KEY',
  consumer_secret: 'YOUR-CONSUMER-SECRET',
  grant_type: 'client_credentials'
}))

API

import { twitterOAuth2 } from 'twitter-oauth2';

twitterOAuth2(options)

Create a middleware with the given options.

Options

twitterOAuth2 accepts these properties in the options object.

client_id

The identifier of the Client. You can check it from the Developer Portal. This option is used in case Authorization Code Grant. This option can also be read from the environment variable CLIENT_ID.

client_secret

This is the secret information used for client authentication. You can check it from the Developer Portal. This option is used in the case of Authorization Code Grant and Confidential Client. This option can also be read from the environment variable CLIENT_SECRET.

redirect_uri

This is the callback URL that you registered on the Developer Portal. This option can also be read from the environment variable REDIRECT_URI.

scope

The scope of the access request. Please see the documentation for available scopes. The current default is tweet.read users.read offline.access.

client_type

The client type is defined in OAuth2.0. This value was set during the registration process. The current default is confidential.

grant_type

The grant_type is defined in OAuth2.0. The current default is authorization_code.

consumer_key

The client identifier. In Client Credentials Grant, the consumer key is used as the client_id. This option can also be read from the environment variable CONSUMER_KEY.

consumer_secret

The client secret. In Client Credentials Grant, the consumer secret is used as the client_secret. This option can also be read from the environment variable CONSUMER_SECRET.

Error Handling

Errors raised by this middleware are handled by the default Express error handler. To write your error handler, see the Express documentation on writing Custom error handlers.

Contributing

Thanks for your feedback and contribution to this repo! Please feel free to open issues and send pull-requests.

License

MIT

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Install

npm i twitter-oauth2

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1.1.1

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