Transform User Authentication with OmniAuthCallbacksController's HTML Solution

... Devise/Google OAuth 2: Not found. Authentication passthru ... users featured in this video: Zack Shapiro (https://stackoverflow ... ... users/omniauth_callbacks_controller.rb. В этой omniauth_callbacks_controller.rb class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController ... I'm using Devise with Omniauth. It doesn't seem possible to restrict the initial user auth requests to only GET's or only POST's. Is it? When attempting to connect the service through Huginn by clicking the 'Authenticate with Twitter' button I get a Not found. Authentication ... controllers/users/omniauth_callbacks_controller.rb class Users::OmniauthCallbacksController < Devise::OmniauthCallbacksController skip_before_action ... ... users through a registration process, also allowing them to edit and destroy their account. 24. - * [Rememberable](http://www.rubydoc.info/github ... This does make sense; because Users::OmniauthCallbacksController#passthru is getting the POST request as HTML, it's looking for an HTML template ... I'm trying to use zammad as authentication backend for fabmanager trough oauth2,I've followed fab-manager/sso_with_github.md at master. Trying to implement omniauth + google_oauth2 into token auth, with no luck. Am I missing any settings required? Processing by Users::OmniauthCallbacksController#failure as HTML Parameters: {"code"=>"key", "state"=>"secret"} Redirected to http://localhost:3000/sign_in