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Goth: Multi-Provider Authentication for Go

Package goth provides a simple, clean, and idiomatic way to write authentication packages for Go web applications.

Unlike other similar packages, Goth, lets you write OAuth, OAuth2, or any other protocol providers, as long as they implement the Provider and Session interfaces.

This package was inspired by https://github.com/intridea/omniauth.

Installation

$ go get github.com/markbates/goth

Supported Providers

Amazon
Apple
Auth0
Azure AD
Battle.net
Bitbucket
Box
Cloud Foundry
Dailymotion
Deezer
DigitalOcean
Discord
Dropbox
Eve Online
Facebook
Fitbit
Gitea
GitHub
Gitlab
Google
Google+ (deprecated)
Heroku
InfluxCloud
Instagram
Intercom
Kakao
Lastfm
Linkedin
LINE
Mailru
Meetup
MicrosoftOnline
Naver
Nextcloud
Okta
OneDrive
OpenID Connect (auto discovery)
Oura
Paypal
SalesForce
Shopify
Slack
Soundcloud
Spotify
Steam
Strava
Stripe
Tumblr
Twitch
Twitter
Typetalk
Uber
VK
Wepay
Xero
Yahoo
Yammer
Yandex

Examples

See the examples folder for a working application that lets users authenticate through Twitter, Facebook, Google Plus etc.

To run the example either clone the source from GitHub

$ git clone git@github.com:markbates/goth.git

or use

$ go get github.com/markbates/goth

$ cd goth/examples
$ go get -v
$ go build
$ ./examples

Now open up your browser and go to http://localhost:3000 to see the example.

To actually use the different providers, please make sure you set environment variables. Example given in the examples/main.go file

Security Notes

By default, gothic uses a CookieStore from the gorilla/sessions package to store session data.

As configured, this default store (gothic.Store) will generate cookies with Options:

&Options{
   Path:   "/",
   Domain: "",
   MaxAge: 86400 * 30,
   HttpOnly: true,
   Secure: false,
 }

To tailor these fields for your application, you can override the gothic.Store variable at startup.

The following snippet shows one way to do this:

key := ""             // Replace with your SESSION_SECRET or similar
maxAge := 86400 * 30  // 30 days
isProd := false       // Set to true when serving over https

store := sessions.NewCookieStore([]byte(key))
store.MaxAge(maxAge)
store.Options.Path = "/"
store.Options.HttpOnly = true   // HttpOnly should always be enabled
store.Options.Secure = isProd

gothic.Store = store

Issues

Issues always stand a significantly better chance of getting fixed if they are accompanied by a pull request.

Contributing

Would I love to see more providers? Certainly! Would you love to contribute one? Hopefully, yes!

Fork it
Create your feature branch (git checkout -b my-new-feature)
Write Tests!
Make sure the codebase adhere to the Go coding standards by executing gofmt -s -w ./
Commit your changes (git commit -am 'Add some feature')
Push to the branch (git push origin my-new-feature)
Create new Pull Request

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