ReallySimpleCaptcha
ReallySimpleCaptcha is just another captcha gem.
Requirements
- Rails >= 3
- RMagick
Usage
PlainCaptcha
The plain captcha display an image with distorted text and a text field.
To use it, add this line in the view file within the form tag :
<%= plain_captcha_tag %>
To verify the captcha in the controller, use :
plain_captcha_valid?
ReverseCaptcha
The reverse captcha add a text field hidden with CSS to trick bot into filling this field.
To use it, add this line in the view file within the form tag :
<%= reverse_captcha_tag %>
To verify the captcha in the controller, use :
reverse_captcha_valid?
Configuration
ReverseCaptcha and PlainCaptcha must be configured separately.
PlainCaptcha
ReallySimpleCaptcha::Captcha::PlainCaptcha.configure do |config|
config.field_name = :plain_captcha
config.text_length = 6
# colors
config.fill = 'darkblue'
config.background_color = 'white'
# font size
config.pointsize = 22
# image modification options
config.width = 120
config.height = 40
config.implode_amount = 0.3
config.wave_amplitude = 4.0
config.wave_length = 60.0
end
ReverseCaptcha
ReallySimpleCaptcha::Captcha::ReverseCaptcha.configure do |config|
config.field_name = :reverse_captcha
end
Contributing
- Fork it
- Create your feature branch (
git checkout -b my-new-feature
) - Commit your changes (
git commit -am 'Add some feature'
) - Push to the branch (
git push origin my-new-feature
) - Create new Pull Request
License
ReallySimpleCaptcha is released under the AGPLv3. Copyright (c) 2013 La Fourmi Immo.