Further reading

These links might help you get started with OAuth:

• OAuth 2 spec
• GitHub OAuth App authentication for JavaScript
• GitHub App authentication for JavaScript for GitHub Apps, including an OAuth authentication strategy
• Universal library to retrieve GitHub’s identity URL for the OAuth web flow
• Facebook Login API
• Ruby OAuth2 lib
• Simple Ruby/Sinatra example
• Python Flask example using requests-oauthlib
• Simple Python example using python-oauth2
• Ruby OmniAuth example
• Ruby Sinatra extension
• Ruby Warden strategy
• Personal access tokens and SAML SSO