# passport-oauth2 General-purpose OAuth 2.0 authentication strategy for [Passport](https://www.passportjs.org/). This module lets you authenticate using OAuth 2.0 in your Node.js applications. By plugging into Passport, OAuth 2.0-based sign in can be easily and unobtrusively integrated into any application or framework that supports [Connect](https://github.com/senchalabs/connect#readme)-style middleware, including [Express](https://expressjs.com/). Note that this strategy provides generic OAuth 2.0 support. In many cases, a provider-specific strategy can be used instead, which cuts down on unnecessary configuration, and accommodates any provider-specific quirks. See the [list](https://github.com/jaredhanson/passport/wiki/Strategies) for supported providers. Developers who need to implement authentication against an OAuth 2.0 provider that is not already supported are encouraged to sub-class this strategy. If you choose to open source the new provider-specific strategy, please add it to the list so other people can find it.

:brain: [Understanding OAuth 2.0](https://www.passportjs.org/concepts/oauth2/?utm_source=github&utm_medium=referral&utm_campaign=passport-oauth2&utm_content=nav-concept) • :heart: [Sponsors](https://www.passportjs.org/sponsors/?utm_source=github&utm_medium=referral&utm_campaign=passport-oauth2&utm_content=nav-sponsors)

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--- [![npm](https://img.shields.io/npm/v/passport-oauth2.svg)](https://www.npmjs.com/package/passport-oauth2) [![build](https://img.shields.io/travis/jaredhanson/passport-oauth2.svg)](https://travis-ci.org/jaredhanson/passport-oauth2) [![coverage](https://img.shields.io/coveralls/jaredhanson/passport-oauth2.svg)](https://coveralls.io/github/jaredhanson/passport-oauth2) [...](https://github.com/jaredhanson/passport-oauth2/wiki/Status) ## Install $ npm install passport-oauth2 ## Usage #### Configure Strategy The OAuth 2.0 authentication strategy authenticates users using a third-party account and OAuth 2.0 tokens. The provider's OAuth 2.0 endpoints, as well as the client identifer and secret, are specified as options. The strategy requires a `verify` callback, which receives an access token and profile, and calls `cb` providing a user. ```js passport.use(new OAuth2Strategy({ authorizationURL: 'https://www.example.com/oauth2/authorize', tokenURL: 'https://www.example.com/oauth2/token', clientID: EXAMPLE_CLIENT_ID, clientSecret: EXAMPLE_CLIENT_SECRET, callbackURL: "http://localhost:3000/auth/example/callback" }, function(accessToken, refreshToken, profile, cb) { User.findOrCreate({ exampleId: profile.id }, function (err, user) { return cb(err, user); }); } )); ``` #### Authenticate Requests Use `passport.authenticate()`, specifying the `'oauth2'` strategy, to authenticate requests. For example, as route middleware in an [Express](http://expressjs.com/) application: ```js app.get('/auth/example', passport.authenticate('oauth2')); app.get('/auth/example/callback', passport.authenticate('oauth2', { failureRedirect: '/login' }), function(req, res) { // Successful authentication, redirect home. res.redirect('/'); }); ``` ## Related Modules - [passport-oauth1](https://github.com/jaredhanson/passport-oauth1) — OAuth 1.0 authentication strategy - [passport-http-bearer](https://github.com/jaredhanson/passport-http-bearer) — Bearer token authentication strategy for APIs - [OAuth2orize](https://github.com/jaredhanson/oauth2orize) — OAuth 2.0 authorization server toolkit ## Contributing #### Tests The test suite is located in the `test/` directory. All new features are expected to have corresponding test cases. Ensure that the complete test suite passes by executing: ```bash $ make test ``` #### Coverage All new feature development is expected to have test coverage. Patches that increse test coverage are happily accepted. Coverage reports can be viewed by executing: ```bash $ make test-cov $ make view-cov ``` ## License [The MIT License](http://opensource.org/licenses/MIT) Copyright (c) 2011-2016 Jared Hanson <[http://jaredhanson.net/](http://jaredhanson.net/)>

	Stars	Issues	Version	Updated	Created
@nuxtjs/auth	1,906	207	4.9.1	4 years ago	7 years ago
@supabase/supabase-js	2,805	116	2.42.5	7 days ago	4 years ago
next-auth	22,149	358	4.24.7	2 months ago	6 years ago
passport-oauth2	594	93	1.8.0	3 months ago	11 years ago

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