zammad/config/routes/auth.rb

Zammad::Application.routes.draw do
  api_path = Rails.configuration.api_path

  # omniauth
  match '/auth/:provider/callback',       :to => 'sessions#create_omniauth',:via => [:post, :get, :puts, :delete]

  # sso
  match '/auth/sso',                      :to => 'sessions#create_sso',     :via => [:post, :get]

  # sessions
  match api_path + '/signin',        :to => 'sessions#create',         :via => :post
  match api_path + '/signshow',      :to => 'sessions#show',           :via => :get
  match api_path + '/signout',       :to => 'sessions#destroy',        :via => [:get, :delete]

  match api_path + '/sessions',      :to => 'sessions#list',           :via => :get
  match api_path + '/sessions/:id',  :to => 'sessions#delete',         :via => :delete

end