Proxy pour télécharger les factures de Facturation.pro

facturation_proxy.rb

# /lib/facturation_proxy.rb

# Exemple : /factures?api_id=67863

require 'net/http'

class FacturationProxy
  def self.call(env)
    
    request = Rack::Request.new(env)
    params = request.params
    session = request.session
    
    user = User.find(session['warden.user.user.key'][1].first)
    
    invoice = user.company.invoices.find_by_api_id(params["api_id"]) if user
    
    if invoice && invoice.url
      
      basename = File.basename(invoice.url)
    
      path_info = "/firms/#{ENV['FACTURATION_FIRM_ID']}/invoices/#{basename}"
      
      Net::HTTP.start("facturation.pro", :use_ssl => true) {|http|
        
        req = Net::HTTP::Get.new(path_info)
        req.basic_auth ENV['FACTURATION_LOGIN'], ENV['FACTURATION_PASSWORD'] 
        
        response = http.request(req)
        
        @response = response
        
        @server_response = response.body
        @server_code = response.code
        @server_content_type = response.content_type
        
      }
    
      [@server_code, {"Content-Type" => @server_content_type, "Content-Disposition" => "attachment;filename=#{basename}"}, [@server_response]]
    else
      [404, {"Content-Type" => "text/html"}, ["Not Found"]]
    end
  end
  
end

routes.rb

mount FacturationProxy => '/factures'