0.3 unstable

git-svn-id: http://redmine.rubyforge.org/svn/trunk@12 e93f8b46-1217-0410-a6f0-8f06a7374b81

redmine/app/models/auth_source_ldap.rb

@@ -0,0 +1,79 @@
+# redMine - project management software
+# Copyright (C) 2006  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.
+
+require 'net/ldap'
+require 'iconv'
+
+class AuthSourceLdap < AuthSource 
+  validates_presence_of :host, :port, :attr_login
+
+  def after_initialize
+    self.port = 389 if self.port == 0
+  end
+  
+  def authenticate(login, password)
+    attrs = []
+    # get user's DN
+    ldap_con = initialize_ldap_con(self.account, self.account_password)
+    login_filter = Net::LDAP::Filter.eq( self.attr_login, login ) 
+    object_filter = Net::LDAP::Filter.eq( "objectClass", "organizationalPerson" ) 
+    dn = String.new
+    ldap_con.search( :base => self.base_dn, 
+                     :filter => object_filter & login_filter, 
+                     :attributes=> ['dn', self.attr_firstname, self.attr_lastname, self.attr_mail]) do |entry|
+      dn = entry.dn
+      attrs = [:firstname => AuthSourceLdap.get_attr(entry, self.attr_firstname),
+               :lastname => AuthSourceLdap.get_attr(entry, self.attr_lastname),
+               :mail => AuthSourceLdap.get_attr(entry, self.attr_mail),
+               :auth_source_id => self.id ]
+    end
+    return nil if dn.empty?
+    logger.debug "DN found for #{login}: #{dn}" if logger && logger.debug?
+    # authenticate user
+    ldap_con = initialize_ldap_con(dn, password)
+    return nil unless ldap_con.bind
+    # return user's attributes
+    logger.debug "Authentication successful for '#{login}'" if logger && logger.debug?
+    attrs    
+  rescue  Net::LDAP::LdapError => text
+    raise "LdapError: " + text
+  end
+
+  # test the connection to the LDAP
+  def test_connection
+    ldap_con = initialize_ldap_con(self.account, self.account_password)
+    ldap_con.open { }
+  rescue  Net::LDAP::LdapError => text
+    raise "LdapError: " + text
+  end
+ 
+  def auth_method_name
+    "LDAP"
+  end
+  
+private
+  def initialize_ldap_con(ldap_user, ldap_password)
+    Net::LDAP.new( {:host => self.host, 
+                    :port => self.port, 
+                    :auth => { :method => :simple, :username => Iconv.new('iso-8859-15', 'utf-8').iconv(ldap_user), :password => Iconv.new('iso-8859-15', 'utf-8').iconv(ldap_password) }} 
+    ) 
+  end
+  
+  def self.get_attr(entry, attr_name)
+    entry[attr_name].is_a?(Array) ? entry[attr_name].first : entry[attr_name]
+  end
+end