Module: Devise::Models::TwoFactorable

Extended by:
ActiveSupport::Concern
Defined in:
lib/devise_two_factorable/models/two_factorable.rb

Defined Under Namespace

Modules: ClassMethods

Instance Method Summary collapse

Instance Method Details

#disable_otp! ⇒ Object 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 73

def disable_otp!
  update_attributes!(otp_enabled: false, otp_enabled_on: nil)
end

#enable_otp! ⇒ Object 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 67

def enable_otp!
  reset_otp_credentials! if otp_persistence_seed.nil?

  update_attributes!(otp_enabled: true, otp_enabled_on: Time.now)
end

#generate_otp_challenge!(expires = nil) ⇒ Object 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 77

def generate_otp_challenge!(expires = nil)
  update_attributes!(otp_session_challenge: SecureRandom.hex,
                     otp_challenge_expires: DateTime.now + (expires || self.class.otp_authentication_timeout))
  otp_session_challenge
end

#next_otp_recovery_tokens(number = self.class.otp_recovery_tokens) ⇒ Object 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 102

def next_otp_recovery_tokens(number = self.class.otp_recovery_tokens)
  (otp_recovery_counter..otp_recovery_counter + number).inject({}) do |h, index|
    h[index] = recovery_otp.at(index)
    h
  end
end

#otp_challenge_valid? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 83

def otp_challenge_valid?
  (otp_challenge_expires.nil? || otp_challenge_expires > Time.now)
end

#otp_provisioning_identifier ⇒ Object 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 38

def otp_provisioning_identifier
  email
end

#otp_provisioning_uri ⇒ Object 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 34

def otp_provisioning_uri
  time_based_otp.provisioning_uri(otp_provisioning_identifier)
end

#recovery_otp ⇒ Object 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 30

def recovery_otp
  @recovery_otp ||= ROTP::HOTP.new(otp_recovery_secret)
end

#reset_otp_credentials ⇒ Object 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 42

def reset_otp_credentials
  @time_based_otp = nil
  @recovery_otp = nil
  generate_otp_auth_secret
  reset_otp_persistence
  update_attributes!(otp_enabled: false,
                     otp_session_challenge: nil,
                     otp_challenge_expires: nil,
                     otp_recovery_counter: 0)
end

#reset_otp_credentials! ⇒ Object 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 53

def reset_otp_credentials!
  reset_otp_credentials
  save!
end

#reset_otp_persistence ⇒ Object 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 58

def reset_otp_persistence
  generate_otp_persistence_seed
end

#reset_otp_persistence! ⇒ Object 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 62

def reset_otp_persistence!
  reset_otp_persistence
  save!
end

#time_based_otp ⇒ Object 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 26

def time_based_otp
  @time_based_otp ||= ROTP::TOTP.new(otp_auth_secret, issuer: (self.class.otp_issuer || Rails.application.class.parent_name).to_s)
end

#validate_otp_recovery_token(token) ⇒ Object Also known as: valid_otp_recovery_token? 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 109

def validate_otp_recovery_token(token)
  recovery_otp.verify(token, otp_recovery_counter).tap do
    self.otp_recovery_counter += 1
    save!
  end
end

#validate_otp_time_token(token) ⇒ Object Also known as: valid_otp_time_token? 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 96

def validate_otp_time_token(token)
  return false if token.blank?
  validate_otp_token_with_drift(token)
end

#validate_otp_token(token, recovery = false) ⇒ Object Also known as: valid_otp_token? 



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# File 'lib/devise_two_factorable/models/two_factorable.rb', line 87

def validate_otp_token(token, recovery = false)
  if recovery
    validate_otp_recovery_token token
  else
    validate_otp_time_token token
  end
end