Mercurial > hg > soundsoftware-site
comparison .svn/pristine/28/287b739e36a269ed72c54dcd10ebdefa5f23d6ee.svn-base @ 1295:622f24f53b42 redmine-2.3
Update to Redmine SVN revision 11972 on 2.3-stable branch
author | Chris Cannam |
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date | Fri, 14 Jun 2013 09:02:21 +0100 |
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1294:3e4c3460b6ca | 1295:622f24f53b42 |
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1 # Redmine - project management software | |
2 # Copyright (C) 2006-2012 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 require 'iconv' | |
19 require 'net/ldap' | |
20 require 'net/ldap/dn' | |
21 require 'timeout' | |
22 | |
23 class AuthSourceLdap < AuthSource | |
24 validates_presence_of :host, :port, :attr_login | |
25 validates_length_of :name, :host, :maximum => 60, :allow_nil => true | |
26 validates_length_of :account, :account_password, :base_dn, :filter, :maximum => 255, :allow_blank => true | |
27 validates_length_of :attr_login, :attr_firstname, :attr_lastname, :attr_mail, :maximum => 30, :allow_nil => true | |
28 validates_numericality_of :port, :only_integer => true | |
29 validates_numericality_of :timeout, :only_integer => true, :allow_blank => true | |
30 validate :validate_filter | |
31 | |
32 before_validation :strip_ldap_attributes | |
33 | |
34 def initialize(attributes=nil, *args) | |
35 super | |
36 self.port = 389 if self.port == 0 | |
37 end | |
38 | |
39 def authenticate(login, password) | |
40 return nil if login.blank? || password.blank? | |
41 | |
42 with_timeout do | |
43 attrs = get_user_dn(login, password) | |
44 if attrs && attrs[:dn] && authenticate_dn(attrs[:dn], password) | |
45 logger.debug "Authentication successful for '#{login}'" if logger && logger.debug? | |
46 return attrs.except(:dn) | |
47 end | |
48 end | |
49 rescue Net::LDAP::LdapError => e | |
50 raise AuthSourceException.new(e.message) | |
51 end | |
52 | |
53 # test the connection to the LDAP | |
54 def test_connection | |
55 with_timeout do | |
56 ldap_con = initialize_ldap_con(self.account, self.account_password) | |
57 ldap_con.open { } | |
58 end | |
59 rescue Net::LDAP::LdapError => e | |
60 raise AuthSourceException.new(e.message) | |
61 end | |
62 | |
63 def auth_method_name | |
64 "LDAP" | |
65 end | |
66 | |
67 private | |
68 | |
69 def with_timeout(&block) | |
70 timeout = self.timeout | |
71 timeout = 20 unless timeout && timeout > 0 | |
72 Timeout.timeout(timeout) do | |
73 return yield | |
74 end | |
75 rescue Timeout::Error => e | |
76 raise AuthSourceTimeoutException.new(e.message) | |
77 end | |
78 | |
79 def ldap_filter | |
80 if filter.present? | |
81 Net::LDAP::Filter.construct(filter) | |
82 end | |
83 rescue Net::LDAP::LdapError | |
84 nil | |
85 end | |
86 | |
87 def validate_filter | |
88 if filter.present? && ldap_filter.nil? | |
89 errors.add(:filter, :invalid) | |
90 end | |
91 end | |
92 | |
93 def strip_ldap_attributes | |
94 [:attr_login, :attr_firstname, :attr_lastname, :attr_mail].each do |attr| | |
95 write_attribute(attr, read_attribute(attr).strip) unless read_attribute(attr).nil? | |
96 end | |
97 end | |
98 | |
99 def initialize_ldap_con(ldap_user, ldap_password) | |
100 options = { :host => self.host, | |
101 :port => self.port, | |
102 :encryption => (self.tls ? :simple_tls : nil) | |
103 } | |
104 options.merge!(:auth => { :method => :simple, :username => ldap_user, :password => ldap_password }) unless ldap_user.blank? && ldap_password.blank? | |
105 Net::LDAP.new options | |
106 end | |
107 | |
108 def get_user_attributes_from_ldap_entry(entry) | |
109 { | |
110 :dn => entry.dn, | |
111 :firstname => AuthSourceLdap.get_attr(entry, self.attr_firstname), | |
112 :lastname => AuthSourceLdap.get_attr(entry, self.attr_lastname), | |
113 :mail => AuthSourceLdap.get_attr(entry, self.attr_mail), | |
114 :auth_source_id => self.id | |
115 } | |
116 end | |
117 | |
118 # Return the attributes needed for the LDAP search. It will only | |
119 # include the user attributes if on-the-fly registration is enabled | |
120 def search_attributes | |
121 if onthefly_register? | |
122 ['dn', self.attr_firstname, self.attr_lastname, self.attr_mail] | |
123 else | |
124 ['dn'] | |
125 end | |
126 end | |
127 | |
128 # Check if a DN (user record) authenticates with the password | |
129 def authenticate_dn(dn, password) | |
130 if dn.present? && password.present? | |
131 initialize_ldap_con(dn, password).bind | |
132 end | |
133 end | |
134 | |
135 # Get the user's dn and any attributes for them, given their login | |
136 def get_user_dn(login, password) | |
137 ldap_con = nil | |
138 if self.account && self.account.include?("$login") | |
139 ldap_con = initialize_ldap_con(self.account.sub("$login", Net::LDAP::DN.escape(login)), password) | |
140 else | |
141 ldap_con = initialize_ldap_con(self.account, self.account_password) | |
142 end | |
143 login_filter = Net::LDAP::Filter.eq( self.attr_login, login ) | |
144 object_filter = Net::LDAP::Filter.eq( "objectClass", "*" ) | |
145 attrs = {} | |
146 | |
147 search_filter = object_filter & login_filter | |
148 if f = ldap_filter | |
149 search_filter = search_filter & f | |
150 end | |
151 | |
152 ldap_con.search( :base => self.base_dn, | |
153 :filter => search_filter, | |
154 :attributes=> search_attributes) do |entry| | |
155 | |
156 if onthefly_register? | |
157 attrs = get_user_attributes_from_ldap_entry(entry) | |
158 else | |
159 attrs = {:dn => entry.dn} | |
160 end | |
161 | |
162 logger.debug "DN found for #{login}: #{attrs[:dn]}" if logger && logger.debug? | |
163 end | |
164 | |
165 attrs | |
166 end | |
167 | |
168 def self.get_attr(entry, attr_name) | |
169 if !attr_name.blank? | |
170 entry[attr_name].is_a?(Array) ? entry[attr_name].first : entry[attr_name] | |
171 end | |
172 end | |
173 end |