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
|
module Gitlab
module LDAP
class Adapter
attr_reader :provider, :ldap
def self.open(provider, &block)
Net::LDAP.open(config(provider).adapter_options) do |ldap|
block.call(self.new(provider, ldap))
end
end
def self.config(provider)
Gitlab::LDAP::Config.new(provider)
end
def initialize(provider, ldap = nil)
@provider = provider
@ldap = ldap || Net::LDAP.new(config.adapter_options)
end
def config
Gitlab::LDAP::Config.new(provider)
end
def users(field, value, limit = nil)
options = user_options(field, value, limit)
entries = ldap_search(options).select do |entry|
entry.respond_to? config.uid
end
entries.map do |entry|
Gitlab::LDAP::Person.new(entry, provider)
end
end
def user(*args)
users(*args).first
end
def dn_matches_filter?(dn, filter)
ldap_search(base: dn,
filter: filter,
scope: Net::LDAP::SearchScope_BaseObject,
attributes: %w{dn}).any?
end
def ldap_search(*args)
# Net::LDAP's `time` argument doesn't work. Use Ruby `Timeout` instead.
Timeout.timeout(config.timeout) do
results = ldap.search(*args)
if results.nil?
response = ldap.get_operation_result
unless response.code.zero?
Rails.logger.warn("LDAP search error: #{response.message}")
end
[]
else
results
end
end
rescue Net::LDAP::Error => error
Rails.logger.warn("LDAP search raised exception #{error.class}: #{error.message}")
[]
rescue Timeout::Error
Rails.logger.warn("LDAP search timed out after #{config.timeout} seconds")
[]
end
private
def user_options(field, value, limit)
options = { attributes: user_attributes }
options[:size] = limit if limit
if field.to_sym == :dn
options[:base] = value
options[:scope] = Net::LDAP::SearchScope_BaseObject
options[:filter] = user_filter
else
options[:base] = config.base
options[:filter] = user_filter(Net::LDAP::Filter.eq(field, value))
end
options
end
def user_filter(filter = nil)
user_filter = config.constructed_user_filter if config.user_filter.present?
if user_filter && filter
Net::LDAP::Filter.join(filter, user_filter)
elsif user_filter
user_filter
else
filter
end
end
def user_attributes
%W(#{config.uid} cn dn) + config.attributes['username'] + config.attributes['email']
end
end
end
end
|
