Contents

module Griddler
  module AmazonSES
    class Middleware
      def initialize(app)
        @app = app
      end

      def call(env)
        # a bug on the AWS side doesn't set the content type to application/json type properly,
        # so we have to intercept and do this in order for Griddler's controller to correctly
        # parse the parameters (see https://forums.aws.amazon.com/thread.jspa?messageID=418160)
        if is_griddler_request?(env) && is_aws_sns_request?(env)
          env['CONTENT_TYPE'] = 'application/json; charset=UTF-8'
        end

        @app.call(env)
      end

      private
      def griddler_path
        @griddler_path ||= Rails.application.routes.url_helpers.url_for(controller: 'griddler/emails', action: 'create', only_path: true)
      end

      def is_griddler_request?(request)
        # Fix for servers that do not include 'request_path' in headers
        request['REQUEST_PATH'] == griddler_path || request['REQUEST_URI'] == griddler_path
      end

      def is_aws_sns_request?(request)
        request['HTTP_X_AMZ_SNS_MESSAGE_TYPE'].present?
      end
    end
  end
end

Version data entries

3 entries across 3 versions & 1 rubygems

Version	Path
griddler-amazon_ses-2.0.2	lib/griddler/amazon_ses/middleware.rb
griddler-amazon_ses-2.0.1	lib/griddler/amazon_ses/middleware.rb
griddler-amazon_ses-2.0.0	lib/griddler/amazon_ses/middleware.rb