Module: HttpUtilities::Http::Adapters::Curb

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

Instance Method Summary collapse

Instance Method Details

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



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# File 'lib/http_utilities/http/adapters/curb.rb', line 41

def go_to_url(url, options = {})
  success = false

  request = self.set_curl_options(url, options)

  success = request.interface.perform
  success = (success && curl.response_code.eql?(200))

  return success
end

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



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# File 'lib/http_utilities/http/adapters/curb.rb', line 8

def post_and_retrieve_content_using_curl(url, data, options = {})
  request   =   self.set_curl_options(url, options)
  response  =  nil

  if (request.interface && data)
    if (data.is_a?(Hash))
      data = data.map { |key, value| Curl::PostField.content(key.to_s, value.to_s) }
    end

    request.interface.http_post(data)
    response = request.interface.body_str
    response = HttpUtilities::Http::Response.new(response, request, options)
  end

  return response
end

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



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# File 'lib/http_utilities/http/adapters/curb.rb', line 25

def retrieve_curl_content(url, options = {})
  request     =   self.set_curl_options(url, options)
  response    =   nil

  begin
    success   =   request.interface.perform
    response  =   request.interface.body_str
    response  =   HttpUtilities::Http::Response.new(response, request, options)

  rescue Exception => e
    puts "\n\n#{Time.now}: IMPORTANT! Error occurred while trying to retrieve content from url #{url} and parse it. Error: #{e.message}. Error Class: #{e.class}"
  end

  return response
end

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



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# File 'lib/http_utilities/http/adapters/curb.rb', line 52

def set_curl_options(url, options = {})
  options               =   options.clone()
  
  request               =   HttpUtilities::Http::Request.new
  request.set_proxy_options(options)

  accept_cookies        =   options.delete(:accept_cookies) { |e| false }
  timeout               =   options.delete(:timeout) { |e| 120 }
  maximum_redirects     =   options.delete(:maximum_redirects) { |e| 10 }
  disable_auth          =   options.delete(:disable_auth) { |e| false }
  accept_content_type   =   options.delete(:accept_content_type) { |e| false }
  content_type          =   options.delete(:content_type) { |e| false }
  cookie_file           =   nil

  curl = Curl::Easy.new(url) do |c|
    c.headers ||= {}
    c.headers["User-Agent"]     =   c.useragent = request.user_agent
    c.headers["Accept"]         =   accept_content_type if (accept_content_type)
    c.headers["Content-Type"]   =   content_type if (content_type)
    c.timeout                   =   timeout
    c.ssl_verify_host           =   false
    c.follow_location           =   true
    c.max_redirects             =   maximum_redirects

    if (disable_auth)
      c.http_auth_types   = nil
      c.proxy_auth_types  = nil
      c.unrestricted_auth = false
    end
  end

  if (accept_cookies)
    FileUtils.mkdir_p File.join(Rails.root, "tmp/cookies")
    identifier = Time.now.to_date.to_s(:db).gsub("-", "_").gsub("\s", "_").gsub(":", "_")
    cookie_file = File.join(Rails.root, "tmp/cookies", "cookies_#{identifier}.txt")

    curl.enable_cookies   =   true
    curl.cookiejar        =   cookie_file
    curl.cookiefile       =   cookie_file
  end

  if (request.proxy[:host] && request.proxy[:port])
    curl.proxy_url    =   ::Proxy.format_proxy_address(request.proxy[:host], request.proxy[:port], false)
    curl.proxy_type   =   5 if (request.proxy[:protocol] && request.proxy[:protocol].downcase.eql?('socks5'))
    curl.proxypwd     =   ::Proxy.format_proxy_credentials(request.proxy[:username], request.proxy[:password]) if (request.proxy[:username] && request.proxy[:password])
  end
  
  request.interface = curl

  return request
end