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floriandejonckheere/application_controller.rb

Created May 3, 2017 08:16
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Allow embedding of Rails controllers in iframes
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application_controller.rb
# frozen_string_literal: true
class ApplicationController < ActionController::API
after_action :allow_iframe
protected
def allow_iframe
response.headers['X-Frame-Options'] = 'ALLOW-FROM localhost:3000'
end
end
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