Hack to send request using Net::HTTP with preserved headers case

case_sensitive_headers_post.rb

class CaseSensitiveHeadersPost < Net::HTTP::Post
  def initialize_http_header(headers)
    @header = {}
    headers.each do |k,v|
      @header[k] = [v]
    end
  end

  def capitalize(name)
    name
  end
end