33 lines
789 B
Ruby
33 lines
789 B
Ruby
require 'sha1'
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class User < ActiveRecord::Base
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attr_accessor :password
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attr_protected :hashed_password
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validates_uniqueness_of :username
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validates_confirmation_of :password, :if => lambda { |user|
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user.new_record? or not user.password.blank? }
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validates_length_of :password, :within => 5..40, :if => lambda { |user|
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user.new_record? or not user.password.blank? }
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def self.hashed(str)
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SHA1.new(str).to_s
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end
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def self.authenticate(user_info)
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user = find_by_username(user_info[:username])
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if user && user.hashed_password == hashed(user_info[:password])
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return user
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end
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end
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private
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before_save :update_password
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def update_password
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if not password.blank?
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self.hashed_password = self.class.hashed(password)
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end
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end
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end
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