Module: Decaptcher::Recaptcha

Extended by:
Recaptcha
Included in:
Recaptcha
Defined in:
lib/decaptcher-recaptcha.rb,
lib/decaptcher-recaptcha/version.rb

Defined Under Namespace

Classes: ChallengeFieldMissing, ImageMissing, Response

Constant Summary collapse

VERSION = 
"1.0.0"

Instance Method Summary collapse

Instance Method Details

#get_token(site_id) ⇒ Object

Raises:



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# File 'lib/decaptcher-recaptcha.rb', line 11

def get_token( site_id )
  request = Net::HTTP::Get.new( "/recaptcha/api/noscript?k=#{site_id}" )
  result = send_request( request )
  doc = Nokogiri::HTML.parse( result.body )

  # get recaptcha_challenge_field value
  recaptcha_challenge_field_input = doc.xpath( "//input[@name='recaptcha_challenge_field']" ).first
  raise ChallengeFieldMissing if recaptcha_challenge_field_input.nil? || recaptcha_challenge_field_input.attributes["value"].nil?

  # get image
  image_node = doc.xpath( "//center/img" ).first
  raise ImageMissing if image_node.nil? || image_node.attributes["src"].nil?
  data = Net::HTTP.get( URI.parse( "http://www.google.com/recaptcha/api/#{image_node.attributes["src"].value}" ) )
  captcha_solution = Decaptcher.solve( data )

  #####
  recaptcha_challenge_field = recaptcha_challenge_field_input.attributes["value"].value
  params = { recaptcha_challenge_field: recaptcha_challenge_field, recaptcha_response_field: captcha_solution.code, submit: "Je ne suis pas un robot" }
  
  request = Net::HTTP::Post.new( "/recaptcha/api/noscript?k=#{site_id}" )
  request.set_form_data( params )
  result = send_request( request )
  doc = Nokogiri::HTML.parse( result.body )
  textarea_node = doc.xpath( "//textarea" ).first
  
  if textarea_node.nil?
    Decaptcher.refund( captcha_solution.task_id )
    return nil
  end
  
  return Response.new( captcha_solution.code, textarea_node.inner_text )
end

#send_request(request) ⇒ Object 



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# File 'lib/decaptcher-recaptcha.rb', line 44

def send_request( request )
  request["User-Agent"] = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_7_3) AppleWebKit/535.11 (KHTML, like Gecko) Chrome/17.0.963.56 Safari/535.11"
  request["Accept-Charset"] = "ISO-8859-1,utf-8;q=0.7,*;q=0.3"
  request["Accept-Language"] = "fr-FR,fr;q=0.8,en-US;q=0.6,en;q=0.4"
  http = Net::HTTP.new( "www.google.com" )
  return http.request( request )
end