1  # Redmine - project management software
   2  # Copyright (C) 2006-2011  Jean-Philippe Lang
   3  #
   4  # This program is free software; you can redistribute it and/or
   5  # modify it under the terms of the GNU General Public License
   6  # as published by the Free Software Foundation; either version 2
   7  # of the License, or (at your option) any later version.
   8  #
   9  # This program is distributed in the hope that it will be useful,
  10  # but WITHOUT ANY WARRANTY; without even the implied warranty of
  11  # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  12  # GNU General Public License for more details.
  13  #
  14  # You should have received a copy of the GNU General Public License
  15  # along with this program; if not, write to the Free Software
  16  # Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.
  17 
  18  # Generic exception for when the AuthSource can not be reached
  19  # (eg. can not connect to the LDAP)
  20  class AuthSourceException < Exception; end
  21 
  22  class AuthSource < ActiveRecord::Base
  23    include Redmine::SubclassFactory
  24    include Redmine::Ciphering
  25 
  26    has_many :users
  27 
  28    validates_presence_of :name
  29    validates_uniqueness_of :name
  30    validates_length_of :name, :maximum => 60
  31 
  32    def authenticate(login, password)
  33    end
  34 
  35    def test_connection
  36    end
  37 
  38    def auth_method_name
  39      "Abstract"
  40    end
  41 
  42    def account_password
  43      read_ciphered_attribute(:account_password)
  44    end
  45 
  46    def account_password=(arg)
  47      write_ciphered_attribute(:account_password, arg)
  48    end
  49 
  50    def allow_password_changes?
  51      self.class.allow_password_changes?
  52    end
  53 
  54    # Does this auth source backend allow password changes?
  55    def self.allow_password_changes?
  56      false
  57    end
  58 
  59    # Try to authenticate a user not yet registered against available sources
  60    def self.authenticate(login, password)
  61      AuthSource.find(:all, :conditions => ["onthefly_register=?", true]).each do |source|
  62        begin
  63          logger.debug "Authenticating '#{login}' against '#{source.name}'" if logger && logger.debug?
  64          attrs = source.authenticate(login, password)
  65        rescue => e
  66          logger.error "Error during authentication: #{e.message}"
  67          attrs = nil
  68        end
  69        return attrs if attrs
  70      end
  71      return nil
  72    end
  73  end