view app/models/token.rb @ 1082:997f6d7738f7 bug_531

In repo controller entry action, show the page for the file even if it's binary (so user still has access to history etc links). This makes it possible to use the entry action as the default when a file is clicked on

# Redmine - project management software
# Copyright (C) 2006-2011  Jean-Philippe Lang
#
# 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.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

class Token < ActiveRecord::Base
  belongs_to :user
  validates_uniqueness_of :value

  before_create :delete_previous_tokens, :generate_new_token

  @@validity_time = 1.day

  def generate_new_token
    self.value = Token.generate_token_value
  end

  # Return true if token has expired
  def expired?
    return Time.now > self.created_on + @@validity_time
  end

  # Delete all expired tokens
  def self.destroy_expired
    Token.delete_all ["action <> 'feeds' AND created_on < ?", Time.now - @@validity_time]
  end

private
  def self.generate_token_value
    ActiveSupport::SecureRandom.hex(20)
  end

  # 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