Commit 3f59a8f0 authored by Douwe Maan's avatar Douwe Maan

Merge branch 'cernvcs/gitlab-ce-feature/auto_link_ldap_omniauth'

parents 214f38c4 45e9150a
......@@ -47,6 +47,7 @@ v 7.12.0 (unreleased)
- When remove project - move repository and schedule it removal
- Improve group removing logic
- Trigger create-hooks on backup restore task
- Add option to automatically link omniauth and LDAP identities
v 7.11.4
- Fix missing bullets when creating lists
......
......@@ -192,6 +192,9 @@ production: &base
allow_single_sign_on: false
# Locks down those users until they have been cleared by the admin (default: true).
block_auto_created_users: true
# Look up new users in LDAP servers. If a match is found (same uid), automatically
# link the omniauth identity with the LDAP account. (default: false)
auto_link_ldap_user: false
## Auth providers
# Uncomment the following lines and fill in the data of the auth provider you want to use
......
......@@ -88,6 +88,9 @@ end
Settings['omniauth'] ||= Settingslogic.new({})
Settings.omniauth['enabled'] = false if Settings.omniauth['enabled'].nil?
Settings.omniauth['auto_sign_in_with_provider'] = false if Settings.omniauth['auto_sign_in_with_provider'].nil?
Settings.omniauth['allow_single_sign_on'] = false if Settings.omniauth['allow_single_sign_on'].nil?
Settings.omniauth['block_auto_created_users'] = true if Settings.omniauth['block_auto_created_users'].nil?
Settings.omniauth['auto_link_ldap_user'] = false if Settings.omniauth['auto_link_ldap_user'].nil?
Settings.omniauth['providers'] ||= []
......
......@@ -46,6 +46,10 @@ module Gitlab
def gl_user
@user ||= find_by_uid_and_provider
if auto_link_ldap_user?
@user ||= find_or_create_ldap_user
end
if signup_enabled?
@user ||= build_new_user
end
......@@ -55,6 +59,46 @@ module Gitlab
protected
def find_or_create_ldap_user
return unless ldap_person
# If a corresponding person exists with same uid in a LDAP server,
# set up a Gitlab user with dual LDAP and Omniauth identities.
if user = Gitlab::LDAP::User.find_by_uid_and_provider(ldap_person.dn.downcase, ldap_person.provider)
# Case when a LDAP user already exists in Gitlab. Add the Omniauth identity to existing account.
user.identities.build(extern_uid: auth_hash.uid, provider: auth_hash.provider)
else
# No account in Gitlab yet: create it and add the LDAP identity
user = build_new_user
user.identities.new(provider: ldap_person.provider, extern_uid: ldap_person.dn)
end
user
end
def auto_link_ldap_user?
Gitlab.config.omniauth.auto_link_ldap_user
end
def creating_linked_ldap_user?
auto_link_ldap_user? && ldap_person
end
def ldap_person
return @ldap_person if defined?(@ldap_person)
# looks for a corresponding person with same uid in any of the configured LDAP providers
@ldap_person = Gitlab::LDAP::Config.providers.find do |provider|
adapter = Gitlab::LDAP::Adapter.new(provider)
Gitlab::LDAP::Person.find_by_uid(auth_hash.uid, adapter)
end
end
def ldap_config
Gitlab::LDAP::Config.new(ldap_person.provider) if ldap_person
end
def needs_blocking?
new? && block_after_signup?
end
......@@ -64,7 +108,11 @@ module Gitlab
end
def block_after_signup?
Gitlab.config.omniauth.block_auto_created_users
if creating_linked_ldap_user?
ldap_config.block_auto_created_users
else
Gitlab.config.omniauth.block_auto_created_users
end
end
def auth_hash=(auth_hash)
......@@ -84,10 +132,19 @@ module Gitlab
end
def user_attributes
# Give preference to LDAP for sensitive information when creating a linked account
if creating_linked_ldap_user?
username = ldap_person.username
email = ldap_person.email.first
else
username = auth_hash.username
email = auth_hash.email
end
{
name: auth_hash.name,
username: ::Namespace.clean_path(auth_hash.username),
email: auth_hash.email,
username: ::Namespace.clean_path(username),
email: email,
password: auth_hash.password,
password_confirmation: auth_hash.password,
password_automatically_set: true
......
......@@ -13,6 +13,7 @@ describe Gitlab::OAuth::User do
email: 'john@mail.com'
}
end
let(:ldap_user) { Gitlab::LDAP::Person.new(Net::LDAP::Entry.new, 'ldapmain') }
describe :persisted? do
let!(:existing_user) { create(:omniauth_user, extern_uid: 'my-uid', provider: 'my-provider') }
......@@ -32,31 +33,94 @@ describe Gitlab::OAuth::User do
let(:provider) { 'twitter' }
describe 'signup' do
context "with allow_single_sign_on enabled" do
before { Gitlab.config.omniauth.stub allow_single_sign_on: true }
shared_examples "to verify compliance with allow_single_sign_on" do
context "with allow_single_sign_on enabled" do
before { Gitlab.config.omniauth.stub allow_single_sign_on: true }
it "creates a user from Omniauth" do
oauth_user.save
it "creates a user from Omniauth" do
oauth_user.save
expect(gl_user).to be_valid
identity = gl_user.identities.first
expect(identity.extern_uid).to eql uid
expect(identity.provider).to eql 'twitter'
expect(gl_user).to be_valid
identity = gl_user.identities.first
expect(identity.extern_uid).to eql uid
expect(identity.provider).to eql 'twitter'
end
end
context "with allow_single_sign_on disabled (Default)" do
before { Gitlab.config.omniauth.stub allow_single_sign_on: false }
it "throws an error" do
expect{ oauth_user.save }.to raise_error StandardError
end
end
end
context "with allow_single_sign_on disabled (Default)" do
it "throws an error" do
expect{ oauth_user.save }.to raise_error StandardError
context "with auto_link_ldap_user disabled (default)" do
before { Gitlab.config.omniauth.stub auto_link_ldap_user: false }
include_examples "to verify compliance with allow_single_sign_on"
end
context "with auto_link_ldap_user enabled" do
before { Gitlab.config.omniauth.stub auto_link_ldap_user: true }
context "and a corresponding LDAP person" do
before do
ldap_user.stub(:uid) { uid }
ldap_user.stub(:username) { uid }
ldap_user.stub(:email) { ['johndoe@example.com','john2@example.com'] }
ldap_user.stub(:dn) { 'uid=user1,ou=People,dc=example' }
allow(oauth_user).to receive(:ldap_person).and_return(ldap_user)
end
context "and no account for the LDAP user" do
it "creates a user with dual LDAP and omniauth identities" do
oauth_user.save
expect(gl_user).to be_valid
expect(gl_user.username).to eql uid
expect(gl_user.email).to eql 'johndoe@example.com'
expect(gl_user.identities.length).to eql 2
identities_as_hash = gl_user.identities.map { |id| { provider: id.provider, extern_uid: id.extern_uid } }
expect(identities_as_hash).to match_array(
[ { provider: 'ldapmain', extern_uid: 'uid=user1,ou=People,dc=example' },
{ provider: 'twitter', extern_uid: uid }
])
end
end
context "and LDAP user has an account already" do
let!(:existing_user) { create(:omniauth_user, email: 'john@example.com', extern_uid: 'uid=user1,ou=People,dc=example', provider: 'ldapmain', username: 'john') }
it "adds the omniauth identity to the LDAP account" do
oauth_user.save
expect(gl_user).to be_valid
expect(gl_user.username).to eql 'john'
expect(gl_user.email).to eql 'john@example.com'
expect(gl_user.identities.length).to eql 2
identities_as_hash = gl_user.identities.map { |id| { provider: id.provider, extern_uid: id.extern_uid } }
expect(identities_as_hash).to match_array(
[ { provider: 'ldapmain', extern_uid: 'uid=user1,ou=People,dc=example' },
{ provider: 'twitter', extern_uid: uid }
])
end
end
end
context "and no corresponding LDAP person" do
before { allow(oauth_user).to receive(:ldap_person).and_return(nil) }
include_examples "to verify compliance with allow_single_sign_on"
end
end
end
describe 'blocking' do
let(:provider) { 'twitter' }
before { Gitlab.config.omniauth.stub allow_single_sign_on: true }
context 'signup' do
context 'signup with omniauth only' do
context 'dont block on create' do
before { Gitlab.config.omniauth.stub block_auto_created_users: false }
......@@ -78,6 +142,64 @@ describe Gitlab::OAuth::User do
end
end
context 'signup with linked omniauth and LDAP account' do
before do
Gitlab.config.omniauth.stub auto_link_ldap_user: true
ldap_user.stub(:uid) { uid }
ldap_user.stub(:username) { uid }
ldap_user.stub(:email) { ['johndoe@example.com','john2@example.com'] }
ldap_user.stub(:dn) { 'uid=user1,ou=People,dc=example' }
allow(oauth_user).to receive(:ldap_person).and_return(ldap_user)
end
context "and no account for the LDAP user" do
context 'dont block on create (LDAP)' do
before { Gitlab::LDAP::Config.any_instance.stub block_auto_created_users: false }
it do
oauth_user.save
expect(gl_user).to be_valid
expect(gl_user).not_to be_blocked
end
end
context 'block on create (LDAP)' do
before { Gitlab::LDAP::Config.any_instance.stub block_auto_created_users: true }
it do
oauth_user.save
expect(gl_user).to be_valid
expect(gl_user).to be_blocked
end
end
end
context 'and LDAP user has an account already' do
let!(:existing_user) { create(:omniauth_user, email: 'john@example.com', extern_uid: 'uid=user1,ou=People,dc=example', provider: 'ldapmain', username: 'john') }
context 'dont block on create (LDAP)' do
before { Gitlab::LDAP::Config.any_instance.stub block_auto_created_users: false }
it do
oauth_user.save
expect(gl_user).to be_valid
expect(gl_user).not_to be_blocked
end
end
context 'block on create (LDAP)' do
before { Gitlab::LDAP::Config.any_instance.stub block_auto_created_users: true }
it do
oauth_user.save
expect(gl_user).to be_valid
expect(gl_user).not_to be_blocked
end
end
end
end
context 'sign-in' do
before do
oauth_user.save
......@@ -103,6 +225,26 @@ describe Gitlab::OAuth::User do
expect(gl_user).not_to be_blocked
end
end
context 'dont block on create (LDAP)' do
before { Gitlab::LDAP::Config.any_instance.stub block_auto_created_users: false }
it do
oauth_user.save
expect(gl_user).to be_valid
expect(gl_user).not_to be_blocked
end
end
context 'block on create (LDAP)' do
before { Gitlab::LDAP::Config.any_instance.stub block_auto_created_users: true }
it do
oauth_user.save
expect(gl_user).to be_valid
expect(gl_user).not_to be_blocked
end
end
end
end
end
......
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