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# Redmine - project management software
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# Copyright (C) 2006-2009 Jean-Philippe Lang
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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class Token < ActiveRecord::Base
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belongs_to :user
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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
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self.value = Token.generate_token_value
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end
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# Return true if token has expired
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def expired?
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return Time.now > self.created_on + @@validity_time
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end
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# Delete all expired tokens
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def self.destroy_expired
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Token.delete_all ["action <> 'feeds' AND created_on < ?", Time.now - @@validity_time]
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end
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private
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def self.generate_token_value
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ActiveSupport::SecureRandom.hex(20)
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end
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# Removes obsolete tokens (same user and action)
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def delete_previous_tokens
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if user
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Token.delete_all(['user_id = ? AND action = ?', user.id, action])
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end
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end
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end
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