Class: Billy::ProxyHandler

Inherits:
Object
  • Object
show all
Includes:
Handler
Defined in:
lib/billy/handlers/proxy_handler.rb

Instance Method Summary collapse

Methods included from Handler

#reset

Instance Method Details

#handle_request(method, url, headers, body) ⇒ Object 



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# File 'lib/billy/handlers/proxy_handler.rb', line 14

def handle_request(method, url, headers, body)
  if handles_request?(method, url, headers, body)
    opts = { inactivity_timeout: Billy.config.proxied_request_inactivity_timeout,
             connect_timeout:    Billy.config.proxied_request_connect_timeout }

    if url =~ /^https/
      opts.merge!({tls: {verify_peer: Billy.config.verify_peer}})
    end

    if Billy.config.proxied_request_host && !bypass_internal_proxy?(url)
      opts.merge!({ proxy: { host: Billy.config.proxied_request_host,
                             port: Billy.config.proxied_request_port }} )
    end

    req = EventMachine::HttpRequest.new(url, opts)
    req = req.send(method.downcase, build_request_options(url, headers, body))

    if req.error
      return { error: "Request to #{url} failed with error: #{req.error}" }
    end

    if req.response
      response = process_response(req)

      unless allowed_response_code?(response[:status])
        if Billy.config.non_successful_error_level == :error
          return { error: "#{method} Request failed due to response status #{response[:status]} for '#{url}' which was not allowed." }
        else
          Billy.log(:warn, "puffing-billy: Received response status code #{response[:status]} for '#{url}'")
        end
      end

      if cacheable?(url, response[:headers], response[:status])
        cache_scope = Billy::Cache.instance.scope
        cache_key = Billy::Cache.instance.key(method.downcase, url, body)

        Billy::Cache.instance.store(
          cache_key,
          cache_scope,
          method.downcase,
          url,
          headers,
          body,
          response[:headers],
          response[:status],
          response[:content]
        )
      end

      Billy.log(:info, "puffing-billy: PROXY #{method} succeeded for '#{url}'")
      return response
    end
  end
  nil
end

#handles_request?(_method, url, _headers, _body) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/billy/handlers/proxy_handler.rb', line 10

def handles_request?(_method, url, _headers, _body)
  !disabled_request?(url)
end