Module: Rack::Picatcha::Helpers

Defined in:
lib/rack/picatcha/helpers.rb

Constant Summary collapse

DEFAULT = 
{
  :height => 300,
  :width => 500,
  :row => 3,
  :cols => 5,
  :format => '2',
  :style => '#2a1f19',
  :link => '1',
  :img_size => '75',
  :noise_level => '2',
  :noise_type => '0',
  :lang => 'en',
  :lang_override => '0',
  :ssl => false
}

Instance Method Summary collapse

Instance Method Details

#picatcha_tag(type = :noscript, options = {}) ⇒ Object

Helper method to output a picatcha form. Some of the available types you can have are:

:challenge - Returns a javascript picatcha form :noscript - Return a non-javascript picatcha form :ajax - Return a ajax picatcha form

You also have a few available options:

For :challenge and :noscript

:public_key - Set the public key. Overrides the key set in Middleware option

Raises:



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# File 'lib/rack/picatcha/helpers.rb', line 34

def picatcha_tag(type= :noscript, options={})
  # Default options
  options = DEFAULT.merge(options)
  options[:public_key] ||= Rack::Picatcha.public_key
  path = options[:ssl] ? Rack::Picatcha::API_SECURE_URL : Rack::Picatcha::API_URL
 
  raise PicatchaError, "No public key specified." unless options[:public_key].to_s != ''
  error = options[:error] ||= (defined? flash ? flash[:picatcha_error] : "")
  html  = ""
  elm_id = "picatcha"
  
  html << <<-EOS
      <script type="text/javascript" src="#{path}/static/client/jquery.min.js"></script>
      <script type="text/javascript" src="#{path}/static/client/picatcha.js"></script>
      <link href="#{path}/static/client/picatcha.css" rel="stylesheet" type="text/css">
      <script>Picatcha.PUBLIC_KEY="#{options[:public_key]}";
Picatcha.setCustomization({"format":"#{options[:format]}","color":"#{options[:style]}","link":"#{options[:link]}","image_size":"#{options[:img_size]}","lang":"#{options[:lang]}","langOverride":"#{options[:lang_override]}","noise_level":"#{options[:noise_level]}","noise_type":"#{options[:noise_type]}"});
window.onload=function(){Picatcha.create("#{elm_id}", {});};</script>
      <div id="#{elm_id}"></div>
  EOS

  if options[:display]
    %{<script type="text/javascript">
      var PicatchaOptions = #{options[:display].to_json};
      </script>}.gsub(/^ +/, '')
  else
    ''
  end + html
end

#picatcha_valid?(options = {}) ⇒ Boolean

Helper to return whether the picatcha was accepted.

Returns:

  • (Boolean) 


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# File 'lib/rack/picatcha/helpers.rb', line 65

def picatcha_valid?(options={})
#        LOGGER.debug "def picatchs_valid? options=#{options}"
  picatchadata = options[:picatcha] || ""
  private_key = options[:private_key] || Rack::Picatcha.private_key
  if picatchadata.to_s == "" then
    test = Rack::Picatcha.test_mode
    test.nil? ? request.env['picatcha.valid'] : test
  else
    retval, msg = Rack::Picatcha.verify_picatcha({
      :private_key => private_key,
      :ipaddr => request.ip,
      :picatcha => picatchadata
    })
    return retval
  end
end