Module: HttpUtilities::Http::Adapters::NetHttp

Included in:
Client
Defined in:
lib/http_utilities/http/adapters/net_http.rb

Instance Method Summary collapse

Instance Method Details

#perform_net_http_request(request_or_url, uri = nil, options = {}, redirect_count = 0, max_redirects = 5) ⇒ Object 



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# File 'lib/http_utilities/http/adapters/net_http.rb', line 51

def perform_net_http_request(request_or_url, uri = nil, options = {}, redirect_count = 0, max_redirects = 5)
  request   =   nil
  response  =   nil

  if (request_or_url)
    opts              =   (options.is_a?(Hash)) ? options.clone() : {}
    retries           =   opts.delete(:retries) { |e| 3 }
    force_encoding    =   opts.delete(:force_encoding) { |e| false }
    cookies           =   opts.delete(:cookies) { |e| nil }
    timeout           =   opts.delete(:timeout) { |e| 30 }

    if (request_or_url.is_a?(String))
      uri       =   URI.parse(request_or_url)
      request   =   self.set_net_http_options(uri, options)
    else
      request   =   request_or_url
    end

    if (uri && uri.respond_to?(:request_uri) && uri.request_uri)
      headers           =   {"User-Agent" => request.user_agent}
      headers           =   set_cookies(headers, cookies)
      request_uri       =   uri.request_uri
      http_request      =   Net::HTTP::Get.new(request_uri, headers)
      
      begin
        request.interface.start do |http|
          http.read_timeout   =   timeout
          response            =   http.request(http_request)
        end

      rescue Errno::ETIMEDOUT, Errno::ECONNREFUSED, Errno::ENETUNREACH, Errno::ECONNRESET, Timeout::Error, Net::HTTPUnauthorized, Net::HTTPForbidden => error
        log(:error, "[HttpUtilities::Http::Client] - Error occurred while trying to fetch url '#{uri.request_uri}'. Error Class: #{error.class.name}. Error Message: #{error.message}")
        retries -= 1
        retry if (retries > 0)
      end
    end
  end

  if (response)
    location = response['location']

    if (!(response.code.to_s =~ /^30\d{1}/i).nil? && location && location.present?)
      location            =   location.strip.downcase
      redirect_count     +=   1
      
      if (redirect_count < max_redirects)
        request.cookies   =   handle_cookies(response)
        location          =   "http://#{uri.host}/#{location.gsub(/^\//i, "")}" if (uri && (location =~ /^http(s)?/i).nil?)
        
        log(:info, "[HttpUtilities::Http::Client] - Redirecting to location: #{location}.")
        
        options           =   options.merge(:cookies => request.cookies) if request.cookies
        response          =   perform_net_http_request(location, uri, options, redirect_count, max_redirects)
      end
    end

    request.cookies   =   handle_cookies(response)
    response          =   set_response(response)
    response          =   HttpUtilities::Http::Response.new(response, request, options)
  end

  return response
end

#post_and_retrieve_content_using_net_http(url, data, options = {}) ⇒ Object 



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# File 'lib/http_utilities/http/adapters/net_http.rb', line 10

def post_and_retrieve_content_using_net_http(url, data, options = {})
  uri             =   URI.parse(url)
  request         =   set_net_http_options(uri, options)
  response        =   nil

  opts            =   options.clone()
  content_type    =   opts.delete(:content_type) { |e| nil }

  if (request.interface && data)
    data = (data.is_a?(Hash)) ? generate_request_params(data) : data

    request.interface.start do |http|
      headers = {}
      headers["User-Agent"]     =   request.user_agent
      headers["Content-Type"]   =   content_type if (content_type)

      http.post(uri.request_uri, data, headers) do |response_data|
        response  =   response_data
      end
      
      response    =   HttpUtilities::Http::Response.new(response, request, options)
    end
  end

  return response
end

#retrieve_net_http_content(url, options = {}) ⇒ Object 



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# File 'lib/http_utilities/http/adapters/net_http.rb', line 45

def retrieve_net_http_content(url, options = {})
  uri         =   URI.parse(url)
  request     =   set_net_http_options(uri, options)
  return perform_net_http_request(request, uri, options)
end

#set_net_http_options(uri, options = {}) ⇒ Object 



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# File 'lib/http_utilities/http/adapters/net_http.rb', line 37

def set_net_http_options(uri, options = {})
  request             =   HttpUtilities::Http::Request.new
  request.set_proxy_options(options)
  request.interface   =   Net::HTTP.new(uri.host, uri.port, request.proxy[:host], request.proxy[:port])

  return request
end

#set_response(response) ⇒ Object 



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# File 'lib/http_utilities/http/adapters/net_http.rb', line 115

def set_response(response)
  if (response.is_a?(String))
    response = response
  elsif (response.is_a?(Net::HTTPResponse))
    response = response.body
  elsif (response.is_a?(HttpUtilities::Http::Response))
    response = response.body
  end
  
  return response
end