config/initializers/omniauth_oauth2.rb

   1 # frozen_string_literal: true
   2
   3 module OpenStreetMap
   4   module OmniAuth
   5     module Strategies
   6       module OAuth2
   7         def callback_phase
   8           if request.request_method == "POST"
   9             query = URI.encode_www_form(request.params)
  10             uri = URI::Generic.build(:path => callback_path, :query => query)
  11
  12             session.options[:skip] = true
  13
  14             [303, { "Location" => uri.to_s }, []]
  15           else
  16             super
  17           end
  18         end
  19       end
  20     end
  21   end
  22 end
  23
  24 OmniAuth::Strategies::OAuth2.prepend(OpenStreetMap::OmniAuth::Strategies::OAuth2)