1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
|
# Redmine - project management software
# Copyright (C) 2006-2012 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 'iconv'
require 'net/ldap'
require 'net/ldap/dn'
class AuthSourceLdap < AuthSource
validates_presence_of :host, :port, :attr_login
validates_length_of :name, :host, :maximum => 60, :allow_nil => true
validates_length_of :account, :account_password, :base_dn, :filter, :maximum => 255, :allow_blank => true
validates_length_of :attr_login, :attr_firstname, :attr_lastname, :attr_mail, :maximum => 30, :allow_nil => true
validates_numericality_of :port, :only_integer => true
validate :validate_filter
before_validation :strip_ldap_attributes
def self.human_attribute_name(attribute_key_name, *args)
attr_name = attribute_key_name.to_s
if attr_name == "filter"
attr_name = "ldap_filter"
end
super(attr_name, *args)
end
def initialize(attributes=nil, *args)
super
self.port = 389 if self.port == 0
end
def authenticate(login, password)
return nil if login.blank? || password.blank?
attrs = get_user_dn(login, password)
if attrs && attrs[:dn] && authenticate_dn(attrs[:dn], password)
logger.debug "Authentication successful for '#{login}'" if logger && logger.debug?
return attrs.except(:dn)
end
rescue Net::LDAP::LdapError => e
raise AuthSourceException.new(e.message)
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 => e
raise "LdapError: " + e.message
end
def auth_method_name
"LDAP"
end
private
def ldap_filter
if filter.present?
Net::LDAP::Filter.construct(filter)
end
rescue Net::LDAP::LdapError
nil
end
def validate_filter
if filter.present? && ldap_filter.nil?
errors.add(:filter, :invalid)
end
end
def strip_ldap_attributes
[:attr_login, :attr_firstname, :attr_lastname, :attr_mail].each do |attr|
write_attribute(attr, read_attribute(attr).strip) unless read_attribute(attr).nil?
end
end
def initialize_ldap_con(ldap_user, ldap_password)
options = { :host => self.host,
:port => self.port,
:encryption => (self.tls ? :simple_tls : nil)
}
options.merge!(:auth => { :method => :simple, :username => ldap_user, :password => ldap_password }) unless ldap_user.blank? && ldap_password.blank?
Net::LDAP.new options
end
def get_user_attributes_from_ldap_entry(entry)
{
:dn => entry.dn,
: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 the attributes needed for the LDAP search. It will only
# include the user attributes if on-the-fly registration is enabled
def search_attributes
if onthefly_register?
['dn', self.attr_firstname, self.attr_lastname, self.attr_mail]
else
['dn']
end
end
# Check if a DN (user record) authenticates with the password
def authenticate_dn(dn, password)
if dn.present? && password.present?
initialize_ldap_con(dn, password).bind
end
end
# Get the user's dn and any attributes for them, given their login
def get_user_dn(login, password)
ldap_con = nil
if self.account && self.account.include?("$login")
ldap_con = initialize_ldap_con(self.account.sub("$login", Net::LDAP::DN.escape(login)), password)
else
ldap_con = initialize_ldap_con(self.account, self.account_password)
end
login_filter = Net::LDAP::Filter.eq( self.attr_login, login )
object_filter = Net::LDAP::Filter.eq( "objectClass", "*" )
attrs = {}
search_filter = object_filter & login_filter
if f = ldap_filter
search_filter = search_filter & f
end
ldap_con.search( :base => self.base_dn,
:filter => search_filter,
:attributes=> search_attributes) do |entry|
if onthefly_register?
attrs = get_user_attributes_from_ldap_entry(entry)
else
attrs = {:dn => entry.dn}
end
logger.debug "DN found for #{login}: #{attrs[:dn]}" if logger && logger.debug?
end
attrs
end
def self.get_attr(entry, attr_name)
if !attr_name.blank?
entry[attr_name].is_a?(Array) ? entry[attr_name].first : entry[attr_name]
end
end
end
|
