obsolete.ChilliProject/app/models/token.rb

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#-- copyright
# ChiliProject is a project management system.
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#
# Copyright (C) 2010-2011 the ChiliProject Team
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#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
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#
# See doc/COPYRIGHT.rdoc for more details.
#++
class Token < ActiveRecord::Base
belongs_to :user
validates_uniqueness_of :value
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before_create :delete_previous_tokens
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@@validity_time = 1.day
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def before_create
self.value = Token.generate_token_value
end
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# Return true if token has expired
def expired?
return Time.now > self.created_on + @@validity_time
end
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# Delete all expired tokens
def self.destroy_expired
Token.delete_all ["action <> 'feeds' AND created_on < ?", Time.now - @@validity_time]
end
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private
def self.generate_token_value
ActiveSupport::SecureRandom.hex(20)
end
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# Removes obsolete tokens (same user and action)
def delete_previous_tokens
if user
Token.delete_all(['user_id = ? AND action = ?', user.id, action])
end
end
end