Class: Devise::Strategies::Rememberable

Inherits:
Authenticatable show all
Defined in:
lib/devise/strategies/rememberable.rb

Overview

Remember the user through the remember token. This strategy is responsible to verify whether there is a cookie with the remember token, and to recreate the user from this cookie if it exists. Must be called before authenticatable.

Instance Attribute Summary (collapse)

Instance Method Summary (collapse)

Instance Attribute Details

- (Object) authentication_hash Originally defined in class Authenticatable

Returns the value of attribute authentication_hash

- (Object) authentication_type Originally defined in class Authenticatable

Returns the value of attribute authentication_type

- (Object) password Originally defined in class Authenticatable

Returns the value of attribute password

Instance Method Details

- (Object) authenticate!

To authenticate a user we deserialize the cookie and attempt finding the record in the database. If the attempt fails, we pass to another strategy handle the authentication.



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# File 'lib/devise/strategies/rememberable.rb', line 19

def authenticate!
  resource = mapping.to.serialize_from_cookie(*remember_cookie)

  unless resource
    cookies.delete(remember_key)
    return pass
  end

  if validate(resource)
    success!(resource)
  end
end

- (Boolean) valid?

A valid strategy for rememberable needs a remember token in the cookies.

Returns:

  • (Boolean) 


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# File 'lib/devise/strategies/rememberable.rb', line 11

def valid?
  @remember_cookie = nil
  remember_cookie.present?
end