Allow signup/signin using common OAuth providers

[jmiranda]

Expected Behaviors

• [x] Should allow a new user to choose an identity provider to sign up
• [ ] Should allow a user to choose an identity provider to authenticate
• [ ] Should add the default role (if configured) like a normal login
• [ ] Should set the login date like normal login
• [ ] Should allow superuser to configure domain validation (i.e. only openboxes.com email addresses)
• [ ] Should not allow an inactive user to become active again
• [ ] Should fix demo4 to allow anonymous access to OidcController actions
• [ ] Should support the following identity providers
  • [ ] Google (required)
  • [ ] Microsoft / Azure (required)
  • [ ] Github (optional)
  • [ ] Amazon (optional)
  • [ ] Twitter (optional)
  • [ ] LinkedIn (optional)
  • [ ] Facebook (prohibited)

[jmiranda]

Use Spring Security

[jmiranda]

Need to build a quick proof of concept (consider using OpenID Connect for signup if possible).

[jmiranda]

This one will require configuration documentations.

[jmiranda]

Need to figure out how to sign in with a different user.

[jmiranda]

Found a repository with code for an OAuth / OpenIdConnect demo that might help me with ideas for refactoring / cleaning up my current solution. https://github.com/jhannes/identity-fun