Class: AltchaSolution

Inherits:
ApplicationRecord
  • Object
show all
Defined in:
lib/generators/altcha/install/templates/models/altcha_solution.rb

Instance Attribute Summary collapse

Class Method Summary collapse

Instance Attribute Details

#took ⇒ Object

Returns the value of attribute took.



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# File 'lib/generators/altcha/install/templates/models/altcha_solution.rb', line 3

def took
  @took
end

Class Method Details

.cleanup ⇒ Object 



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# File 'lib/generators/altcha/install/templates/models/altcha_solution.rb', line 22

def self.cleanup
  # Replay attacks are protected by the time stamp in the salt of the challenge for
  # the duration configured in the timeout. All solutions in the database that older
  # can be deleted.
  AltchaSolution.where('created_at < ?', Time.now - Altcha.timeout).delete_all
end

.verify_and_save(base64encoded) ⇒ Object 



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# File 'lib/generators/altcha/install/templates/models/altcha_solution.rb', line 5

def self.verify_and_save(base64encoded)
  p = JSON.parse(Base64.decode64(base64encoded)) rescue nil
  return false if p.nil?

  submission = Altcha::Submission.new(p)
  return false unless submission.valid?

  solution = self.new(p)

  begin
    return solution.save
  rescue ActiveRecord::RecordNotUnique
    # Replay attack
    return false
  end
end