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# redMine - project management software
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# Copyright (C) 2006 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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require 'net/ldap'
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require 'iconv'
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class AuthSourceLdap < AuthSource
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validates_presence_of :host, :port, :attr_login
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validates_presence_of :attr_firstname, :attr_lastname, :attr_mail, :if => Proc.new { |a| a.onthefly_register? }
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def after_initialize
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self.port = 389 if self.port == 0
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end
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def authenticate(login, password)
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attrs = []
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# get user's DN
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ldap_con = initialize_ldap_con(self.account, self.account_password)
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login_filter = Net::LDAP::Filter.eq( self.attr_login, login )
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object_filter = Net::LDAP::Filter.eq( "objectClass", "*" )
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dn = String.new
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ldap_con.search( :base => self.base_dn,
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:filter => object_filter & login_filter,
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# only ask for the DN if on-the-fly registration is disabled
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:attributes=> (onthefly_register? ? ['dn', self.attr_firstname, self.attr_lastname, self.attr_mail] : ['dn'])) do |entry|
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dn = entry.dn
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attrs = [:firstname => AuthSourceLdap.get_attr(entry, self.attr_firstname),
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:lastname => AuthSourceLdap.get_attr(entry, self.attr_lastname),
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:mail => AuthSourceLdap.get_attr(entry, self.attr_mail),
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:auth_source_id => self.id ] if onthefly_register?
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end
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return nil if dn.empty?
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logger.debug "DN found for #{login}: #{dn}" if logger && logger.debug?
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# authenticate user
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ldap_con = initialize_ldap_con(dn, password)
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return nil unless ldap_con.bind
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# return user's attributes
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logger.debug "Authentication successful for '#{login}'" if logger && logger.debug?
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attrs
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rescue Net::LDAP::LdapError => text
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raise "LdapError: " + text
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end
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# test the connection to the LDAP
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def test_connection
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ldap_con = initialize_ldap_con(self.account, self.account_password)
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ldap_con.open { }
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rescue Net::LDAP::LdapError => text
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raise "LdapError: " + text
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end
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def auth_method_name
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"LDAP"
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end
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private
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def initialize_ldap_con(ldap_user, ldap_password)
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Net::LDAP.new( {:host => self.host,
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:port => self.port,
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:auth => { :method => :simple, :username => ldap_user, :password => ldap_password },
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:encryption => (self.tls ? :simple_tls : nil)}
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)
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end
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def self.get_attr(entry, attr_name)
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entry[attr_name].is_a?(Array) ? entry[attr_name].first : entry[attr_name]
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end
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end
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