From 8399de0c961be75d0cd90e59a7e89fabc11025b8 Mon Sep 17 00:00:00 2001 From: Douwe Maan Date: Tue, 31 Oct 2017 10:52:44 +0100 Subject: Normalize LDAP DN when looking up identity --- app/models/identity.rb | 5 ++++- changelogs/unreleased/dm-ldap-identity-normalize-dn.yml | 5 +++++ lib/gitlab/ldap/auth_hash.rb | 2 +- lib/gitlab/ldap/user.rb | 5 +++-- spec/lib/gitlab/ldap/authentication_spec.rb | 4 ++-- spec/lib/gitlab/ldap/user_spec.rb | 8 +++++--- spec/lib/gitlab/o_auth/user_spec.rb | 2 +- spec/lib/gitlab/saml/user_spec.rb | 2 +- spec/models/identity_spec.rb | 14 +++++++++++++- 9 files changed, 35 insertions(+), 12 deletions(-) create mode 100644 changelogs/unreleased/dm-ldap-identity-normalize-dn.yml diff --git a/app/models/identity.rb b/app/models/identity.rb index 920a25932b4..ac8094b610e 100644 --- a/app/models/identity.rb +++ b/app/models/identity.rb @@ -7,7 +7,10 @@ class Identity < ActiveRecord::Base validates :extern_uid, allow_blank: true, uniqueness: { scope: :provider } validates :user_id, uniqueness: { scope: :provider } - scope :with_extern_uid, ->(provider, extern_uid) { where(extern_uid: extern_uid, provider: provider) } + scope :with_extern_uid, ->(provider, extern_uid) do + extern_uid = Gitlab::LDAP::Person.normalize_dn(extern_uid) if provider.starts_with?('ldap') + where(extern_uid: extern_uid, provider: provider) + end def ldap? provider.starts_with?('ldap') diff --git a/changelogs/unreleased/dm-ldap-identity-normalize-dn.yml b/changelogs/unreleased/dm-ldap-identity-normalize-dn.yml new file mode 100644 index 00000000000..7ab25f79143 --- /dev/null +++ b/changelogs/unreleased/dm-ldap-identity-normalize-dn.yml @@ -0,0 +1,5 @@ +--- +title: Normalize LDAP DN when looking up identity +merge_request: +author: +type: fixed diff --git a/lib/gitlab/ldap/auth_hash.rb b/lib/gitlab/ldap/auth_hash.rb index 3123da17fd9..1bd0965679a 100644 --- a/lib/gitlab/ldap/auth_hash.rb +++ b/lib/gitlab/ldap/auth_hash.rb @@ -4,7 +4,7 @@ module Gitlab module LDAP class AuthHash < Gitlab::OAuth::AuthHash def uid - Gitlab::LDAP::Person.normalize_dn(super) + @uid ||= Gitlab::LDAP::Person.normalize_dn(super) end private diff --git a/lib/gitlab/ldap/user.rb b/lib/gitlab/ldap/user.rb index 1793097363e..4d5c67ed892 100644 --- a/lib/gitlab/ldap/user.rb +++ b/lib/gitlab/ldap/user.rb @@ -9,10 +9,11 @@ module Gitlab class User < Gitlab::OAuth::User class << self def find_by_uid_and_provider(uid, provider) - # LDAP distinguished name is case-insensitive + uid = Gitlab::LDAP::Person.normalize_dn(uid) + identity = ::Identity .where(provider: provider) - .iwhere(extern_uid: uid).last + .where(extern_uid: uid).last identity && identity.user end end diff --git a/spec/lib/gitlab/ldap/authentication_spec.rb b/spec/lib/gitlab/ldap/authentication_spec.rb index 01b6282af0c..9d57a46c12b 100644 --- a/spec/lib/gitlab/ldap/authentication_spec.rb +++ b/spec/lib/gitlab/ldap/authentication_spec.rb @@ -1,8 +1,8 @@ require 'spec_helper' describe Gitlab::LDAP::Authentication do - let(:user) { create(:omniauth_user, extern_uid: dn) } - let(:dn) { 'uid=john,ou=people,dc=example,dc=com' } + let(:dn) { 'uid=John Smith, ou=People, dc=example, dc=com' } + let(:user) { create(:omniauth_user, extern_uid: Gitlab::LDAP::Person.normalize_dn(dn)) } let(:login) { 'john' } let(:password) { 'password' } diff --git a/spec/lib/gitlab/ldap/user_spec.rb b/spec/lib/gitlab/ldap/user_spec.rb index 9a4705d1cee..260df6e4dae 100644 --- a/spec/lib/gitlab/ldap/user_spec.rb +++ b/spec/lib/gitlab/ldap/user_spec.rb @@ -44,23 +44,25 @@ describe Gitlab::LDAP::User do end describe '.find_by_uid_and_provider' do + let(:dn) { 'CN=John Åström, CN=Users, DC=Example, DC=com' } + it 'retrieves the correct user' do special_info = { name: 'John Åström', email: 'john@example.com', nickname: 'jastrom' } - special_hash = OmniAuth::AuthHash.new(uid: 'CN=John Åström,CN=Users,DC=Example,DC=com', provider: 'ldapmain', info: special_info) + special_hash = OmniAuth::AuthHash.new(uid: dn, provider: 'ldapmain', info: special_info) special_chars_user = described_class.new(special_hash) user = special_chars_user.save - expect(described_class.find_by_uid_and_provider(special_hash.uid, special_hash.provider)).to eq user + expect(described_class.find_by_uid_and_provider(dn, 'ldapmain')).to eq user end end describe 'find or create' do it "finds the user if already existing" do - create(:omniauth_user, extern_uid: 'uid=John Smith,ou=People,dc=example,dc=com', provider: 'ldapmain') + create(:omniauth_user, extern_uid: 'uid=john smith,ou=people,dc=example,dc=com', provider: 'ldapmain') expect { ldap_user.save }.not_to change { User.count } end diff --git a/spec/lib/gitlab/o_auth/user_spec.rb b/spec/lib/gitlab/o_auth/user_spec.rb index db26e16e3b2..c7471a21fda 100644 --- a/spec/lib/gitlab/o_auth/user_spec.rb +++ b/spec/lib/gitlab/o_auth/user_spec.rb @@ -4,7 +4,7 @@ describe Gitlab::OAuth::User do let(:oauth_user) { described_class.new(auth_hash) } let(:gl_user) { oauth_user.gl_user } let(:uid) { 'my-uid' } - let(:dn) { 'uid=user1,ou=People,dc=example' } + let(:dn) { 'uid=user1,ou=people,dc=example' } let(:provider) { 'my-provider' } let(:auth_hash) { OmniAuth::AuthHash.new(uid: uid, provider: provider, info: info_hash) } let(:info_hash) do diff --git a/spec/lib/gitlab/saml/user_spec.rb b/spec/lib/gitlab/saml/user_spec.rb index 1c23fb5f285..1765980e977 100644 --- a/spec/lib/gitlab/saml/user_spec.rb +++ b/spec/lib/gitlab/saml/user_spec.rb @@ -7,7 +7,7 @@ describe Gitlab::Saml::User do let(:saml_user) { described_class.new(auth_hash) } let(:gl_user) { saml_user.gl_user } let(:uid) { 'my-uid' } - let(:dn) { 'uid=user1,ou=People,dc=example' } + let(:dn) { 'uid=user1,ou=people,dc=example' } let(:provider) { 'saml' } let(:raw_info_attr) { { 'groups' => %w(Developers Freelancers Designers) } } let(:auth_hash) { OmniAuth::AuthHash.new(uid: uid, provider: provider, info: info_hash, extra: { raw_info: OneLogin::RubySaml::Attributes.new(raw_info_attr) }) } diff --git a/spec/models/identity_spec.rb b/spec/models/identity_spec.rb index 4ca6556d0f4..3ed048744de 100644 --- a/spec/models/identity_spec.rb +++ b/spec/models/identity_spec.rb @@ -1,6 +1,6 @@ require 'spec_helper' -RSpec.describe Identity do +describe Identity do describe 'relations' do it { is_expected.to belong_to(:user) } end @@ -22,4 +22,16 @@ RSpec.describe Identity do expect(other_identity.ldap?).to be_falsey end end + + describe '.with_extern_uid' do + context 'LDAP identity' do + let!(:ldap_identity) { create(:identity, provider: 'ldapmain', extern_uid: 'uid=john smith,ou=people,dc=example,dc=com') } + + it 'finds the identity when the DN is formatted differently' do + identity = described_class.with_extern_uid('ldapmain', 'uid=John Smith, ou=People, dc=example, dc=com').first + + expect(identity).to eq(ldap_identity) + end + end + end end -- cgit v1.2.1