gitlab-org--gitlab-foss/lib/gitlab/auth/ldap/authentication.rb
2018-03-27 09:21:17 +02:00

58 lines
1.6 KiB
Ruby

# These calls help to authenticate to LDAP by providing username and password
#
# Since multiple LDAP servers are supported, it will loop through all of them
# until a valid bind is found
#
module Gitlab
module Auth
module LDAP
class Authentication < Gitlab::Auth::OAuth::Authentication
def self.login(login, password)
return unless Gitlab::Auth::LDAP::Config.enabled?
return unless login.present? && password.present?
# return found user that was authenticated by first provider for given login credentials
providers.find do |provider|
auth = new(provider)
break auth.user if auth.login(login, password) # true will exit the loop
end
end
def self.providers
Gitlab::Auth::LDAP::Config.providers
end
def login(login, password)
result = adapter.bind_as(
filter: user_filter(login),
size: 1,
password: password
)
return unless result
@user = Gitlab::Auth::LDAP::User.find_by_uid_and_provider(result.dn, provider)
end
def adapter
OmniAuth::LDAP::Adaptor.new(config.omniauth_options)
end
def config
Gitlab::Auth::LDAP::Config.new(provider)
end
def user_filter(login)
filter = Net::LDAP::Filter.equals(config.uid, login)
# Apply LDAP user filter if present
if config.user_filter.present?
filter = Net::LDAP::Filter.join(filter, config.constructed_user_filter)
end
filter
end
end
end
end
end