def self.call(env)
request = Rack::Request.new(env)
request_headers = env.inject({}) do |m,(k,v)|
k =~ /^HTTP_(.*)$/ && v ? m.merge($1.gsub(/_/, '-') => v) : m
end
http = Net::HTTP.new(request.host, request.port)
net_http_request_class = METHOD_TO_CLASS_MAPPING[request.request_method]
raise ArgumentError, "Unsupported method: #{request.request_method}" if net_http_request_class.nil?
net_http_request = net_http_request_class.new(request.fullpath, request_headers)
net_http_request.body = env['rack.input'].read if [ 'POST', 'PUT' ].include?(request.request_method)
http.request(net_http_request) do |response|
return [
response.code.to_i,
response.to_hash.inject({}) { |m,(k,v)| m.merge(k => v[0]) },
[ response.body ]
]
end
end