Module: Kamcaptcha

Defined in:
lib/kamcaptcha.rb,
lib/kamcaptcha/helper.rb,
lib/kamcaptcha/generator.rb,
lib/kamcaptcha/validation.rb

Overview

You must configure Kamcaptcha with a path to the generated words, and a salt. The salt must be the same you used when generating words.

Defined Under Namespace

Modules: Helper, Validation Classes: Generator

Class Attribute Summary collapse

Class Method Summary collapse

Class Attribute Details

.path ⇒ Object

Returns the value of attribute path.



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# File 'lib/kamcaptcha.rb', line 8

def path
  @path
end

.salt ⇒ Object

Returns the value of attribute salt.



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# File 'lib/kamcaptcha.rb', line 8

def salt
  @salt
end

Class Method Details

.encrypt(string) ⇒ Object 



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# File 'lib/kamcaptcha.rb', line 24

def self.encrypt(string)
  raise "You must configure a salt" if Kamcaptcha.salt.nil?
  Digest::SHA2.hexdigest("#{salt}::#{string}")
end

.images ⇒ Object 



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# File 'lib/kamcaptcha.rb', line 15

def self.images
  @images ||= Dir.glob("#{path}/*.*").map { |f| File.basename(f) }
end

.random ⇒ Object 



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# File 'lib/kamcaptcha.rb', line 11

def self.random
  images[rand(images.size)]
end

.valid?(input, validation) ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/kamcaptcha.rb', line 19

def self.valid?(input, validation)
  input = input.to_s.delete(" ").downcase
  encrypt(input) == validation
end