Merge branch 'registry-918' into registry-922

app/controllers/api/v1/registrant/auth_controller.rb

@@ -0,0 +1,54 @@
+require 'rails5_api_controller_backport'
+require 'auth_token/auth_token_creator'
+
+module Api
+  module V1
+    module Registrant
+      class AuthController < ActionController::API
+        before_action :check_ip_whitelist
+
+        rescue_from(ActionController::ParameterMissing) do |parameter_missing_exception|
+          error = {}
+          error[parameter_missing_exception.param] = ['parameter is required']
+          response = { errors: [error] }
+          render json: response, status: :unprocessable_entity
+        end
+
+        def eid
+          user = RegistrantUser.find_or_create_by_api_data(eid_params)
+          token = create_token(user)
+
+          if token
+            render json: token
+          else
+            render json: { error: 'Cannot create generate session token' }
+          end
+        end
+
+        private
+
+        def eid_params
+          required_params = %i[ident first_name last_name]
+          required_params.each_with_object(params) do |key, obj|
+            obj.require(key)
+          end
+
+          params.permit(required_params)
+        end
+
+        def create_token(user)
+          token_creator = AuthTokenCreator.create_with_defaults(user)
+          hash = token_creator.token_in_hash
+          hash
+        end
+
+        def check_ip_whitelist
+          allowed_ips = ENV['registrant_api_auth_allowed_ips'].to_s.split(',').map(&:strip)
+          return if allowed_ips.include?(request.ip) || Rails.env.development?
+
+          render json: { errors: ['Not authorized'] }, status: :unauthorized
+        end
+      end
+    end
+  end
+end