Commit bb02557c authored by Nick Thomas's avatar Nick Thomas

Merge branch 'pages_lets_encrypt_orders' into 'master'

Add pages domains acme orders

See merge request gitlab-org/gitlab-ce!27811
parents 68a1ba6a c3338c92
# frozen_string_literal: true
class AcmeChallengesController < ActionController::Base
def show
if acme_order
render plain: acme_order.challenge_file_content, content_type: 'text/plain'
else
head :not_found
end
end
private
def acme_order
@acme_order ||= PagesDomainAcmeOrder.find_by_domain_and_token(params[:domain], params[:token])
end
end
......@@ -5,6 +5,7 @@ class PagesDomain < ApplicationRecord
VERIFICATION_THRESHOLD = 3.days.freeze
belongs_to :project
has_many :acme_orders, class_name: "PagesDomainAcmeOrder"
validates :domain, hostname: { allow_numeric_hostname: true }
validates :domain, uniqueness: { case_sensitive: false }
......
# frozen_string_literal: true
class PagesDomainAcmeOrder < ApplicationRecord
belongs_to :pages_domain
scope :expired, -> { where("expires_at < ?", Time.now) }
validates :pages_domain, presence: true
validates :expires_at, presence: true
validates :url, presence: true
validates :challenge_token, presence: true
validates :challenge_file_content, presence: true
validates :private_key, presence: true
attr_encrypted :private_key,
mode: :per_attribute_iv,
key: Settings.attr_encrypted_db_key_base_truncated,
algorithm: 'aes-256-gcm',
encode: true
def self.find_by_domain_and_token(domain_name, challenge_token)
joins(:pages_domain).find_by(pages_domains: { domain: domain_name }, challenge_token: challenge_token)
end
end
# frozen_string_literal: true
module PagesDomains
class CreateAcmeOrderService
attr_reader :pages_domain
def initialize(pages_domain)
@pages_domain = pages_domain
end
def execute
lets_encrypt_client = Gitlab::LetsEncrypt::Client.new
order = lets_encrypt_client.new_order(pages_domain.domain)
challenge = order.new_challenge
private_key = OpenSSL::PKey::RSA.new(4096)
saved_order = pages_domain.acme_orders.create!(
url: order.url,
expires_at: order.expires,
private_key: private_key.to_pem,
challenge_token: challenge.token,
challenge_file_content: challenge.file_content
)
challenge.request_validation
saved_order
end
end
end
# frozen_string_literal: true
module PagesDomains
class ObtainLetsEncryptCertificateService
attr_reader :pages_domain
def initialize(pages_domain)
@pages_domain = pages_domain
end
def execute
pages_domain.acme_orders.expired.delete_all
acme_order = pages_domain.acme_orders.first
unless acme_order
::PagesDomains::CreateAcmeOrderService.new(pages_domain).execute
return
end
api_order = ::Gitlab::LetsEncrypt::Client.new.load_order(acme_order.url)
# https://tools.ietf.org/html/rfc8555#section-7.1.6 - statuses diagram
case api_order.status
when 'ready'
api_order.request_certificate(private_key: acme_order.private_key, domain: pages_domain.domain)
when 'valid'
save_certificate(acme_order.private_key, api_order)
acme_order.destroy!
# when 'invalid'
# TODO: implement error handling
end
end
private
def save_certificate(private_key, api_order)
certificate = api_order.certificate
pages_domain.update!(key: private_key, certificate: certificate)
end
end
end
......@@ -75,6 +75,8 @@ Rails.application.routes.draw do
resources :issues, module: :boards, only: [:index, :update]
end
get 'acme-challenge/' => 'acme_challenges#show'
# UserCallouts
resources :user_callouts, only: [:create]
......
# frozen_string_literal: true
# See http://doc.gitlab.com/ce/development/migration_style_guide.html
# for more information on how to write migrations for GitLab.
class CreatePagesDomainAcmeOrders < ActiveRecord::Migration[5.1]
include Gitlab::Database::MigrationHelpers
# Set this constant to true if this migration requires downtime.
DOWNTIME = false
def change
create_table :pages_domain_acme_orders do |t|
t.references :pages_domain, null: false, index: true, foreign_key: { on_delete: :cascade }, type: :integer
t.datetime_with_timezone :expires_at, null: false
t.timestamps_with_timezone null: false
t.string :url, null: false
t.string :challenge_token, null: false, index: true
t.text :challenge_file_content, null: false
t.text :encrypted_private_key, null: false
t.text :encrypted_private_key_iv, null: false
end
end
end
......@@ -1571,6 +1571,20 @@ ActiveRecord::Schema.define(version: 20190530154715) do
t.index ["access_grant_id"], name: "index_oauth_openid_requests_on_access_grant_id", using: :btree
end
create_table "pages_domain_acme_orders", force: :cascade do |t|
t.integer "pages_domain_id", null: false
t.datetime_with_timezone "expires_at", null: false
t.datetime_with_timezone "created_at", null: false
t.datetime_with_timezone "updated_at", null: false
t.string "url", null: false
t.string "challenge_token", null: false
t.text "challenge_file_content", null: false
t.text "encrypted_private_key", null: false
t.text "encrypted_private_key_iv", null: false
t.index ["challenge_token"], name: "index_pages_domain_acme_orders_on_challenge_token", using: :btree
t.index ["pages_domain_id"], name: "index_pages_domain_acme_orders_on_pages_domain_id", using: :btree
end
create_table "pages_domains", id: :serial, force: :cascade do |t|
t.integer "project_id"
t.text "certificate"
......@@ -2560,6 +2574,7 @@ ActiveRecord::Schema.define(version: 20190530154715) do
add_foreign_key "notes", "projects", name: "fk_99e097b079", on_delete: :cascade
add_foreign_key "notification_settings", "users", name: "fk_0c95e91db7", on_delete: :cascade
add_foreign_key "oauth_openid_requests", "oauth_access_grants", column: "access_grant_id", name: "fk_oauth_openid_requests_oauth_access_grants_access_grant_id"
add_foreign_key "pages_domain_acme_orders", "pages_domains", on_delete: :cascade
add_foreign_key "pages_domains", "projects", name: "fk_ea2f6dfc6f", on_delete: :cascade
add_foreign_key "personal_access_tokens", "users"
add_foreign_key "pool_repositories", "projects", column: "source_project_id", on_delete: :nullify
......
......@@ -7,7 +7,7 @@ module Gitlab
@acme_challenge = acme_challenge
end
delegate :url, :token, :file_content, :status, :request_validation, to: :acme_challenge
delegate :token, :file_content, :status, :request_validation, to: :acme_challenge
private
......
......@@ -13,7 +13,16 @@ module Gitlab
::Gitlab::LetsEncrypt::Challenge.new(challenge)
end
delegate :url, :status, to: :acme_order
def request_certificate(domain:, private_key:)
csr = ::Acme::Client::CertificateRequest.new(
private_key: OpenSSL::PKey.read(private_key),
subject: { common_name: domain }
)
acme_order.finalize(csr: csr)
end
delegate :url, :status, :expires, :certificate, to: :acme_order
private
......
# frozen_string_literal: true
require 'spec_helper'
describe AcmeChallengesController do
describe '#show' do
let!(:acme_order) { create(:pages_domain_acme_order) }
def make_request(domain, token)
get(:show, params: { domain: domain, token: token })
end
before do
make_request(domain, token)
end
context 'with right domain and token' do
let(:domain) { acme_order.pages_domain.domain }
let(:token) { acme_order.challenge_token }
it 'renders acme challenge file content' do
expect(response.body).to eq(acme_order.challenge_file_content)
end
end
context 'when domain is invalid' do
let(:domain) { 'somewrongdomain.com' }
let(:token) { acme_order.challenge_token }
it 'renders not found' do
expect(response).to have_gitlab_http_status(404)
end
end
context 'when token is invalid' do
let(:domain) { acme_order.pages_domain.domain }
let(:token) { 'wrongtoken' }
it 'renders not found' do
expect(response).to have_gitlab_http_status(404)
end
end
end
end
# frozen_string_literal: true
FactoryBot.define do
factory :pages_domain_acme_order do
pages_domain
url { 'https://example.com/' }
expires_at { 1.day.from_now }
challenge_token { 'challenge_token' }
challenge_file_content { 'filecontent' }
private_key { OpenSSL::PKey::RSA.new(4096).to_pem }
trait :expired do
expires_at { 1.day.ago }
end
end
end
......@@ -3,23 +3,11 @@
require 'spec_helper'
describe ::Gitlab::LetsEncrypt::Challenge do
delegated_methods = {
url: 'https://example.com/',
status: 'pending',
token: 'tokenvalue',
file_content: 'hereisfilecontent',
request_validation: true
}
include LetsEncryptHelpers
let(:acme_challenge) do
acme_challenge = instance_double('Acme::Client::Resources::Challenge')
allow(acme_challenge).to receive_messages(delegated_methods)
acme_challenge
end
let(:challenge) { described_class.new(acme_challenge) }
let(:challenge) { described_class.new(acme_challenge_double) }
delegated_methods.each do |method, value|
LetsEncryptHelpers::ACME_CHALLENGE_METHODS.each do |method, value|
describe "##{method}" do
it 'delegates to Acme::Client::Resources::Challenge' do
expect(challenge.public_send(method)).to eq(value)
......
......@@ -3,20 +3,13 @@
require 'spec_helper'
describe ::Gitlab::LetsEncrypt::Order do
delegated_methods = {
url: 'https://example.com/',
status: 'valid'
}
include LetsEncryptHelpers
let(:acme_order) do
acme_order = instance_double('Acme::Client::Resources::Order')
allow(acme_order).to receive_messages(delegated_methods)
acme_order
end
let(:acme_order) { acme_order_double }
let(:order) { described_class.new(acme_order) }
delegated_methods.each do |method, value|
LetsEncryptHelpers::ACME_ORDER_METHODS.each do |method, value|
describe "##{method}" do
it 'delegates to Acme::Client::Resources::Order' do
expect(order.public_send(method)).to eq(value)
......@@ -25,15 +18,24 @@ describe ::Gitlab::LetsEncrypt::Order do
end
describe '#new_challenge' do
before do
challenge = instance_double('Acme::Client::Resources::Challenges::HTTP01')
authorization = instance_double('Acme::Client::Resources::Authorization')
allow(authorization).to receive(:http).and_return(challenge)
allow(acme_order).to receive(:authorizations).and_return([authorization])
end
it 'returns challenge' do
expect(order.new_challenge).to be_a(::Gitlab::LetsEncrypt::Challenge)
end
end
describe '#request_certificate' do
let(:private_key) do
OpenSSL::PKey::RSA.new(4096).to_pem
end
it 'generates csr and finalizes order' do
expect(acme_order).to receive(:finalize) do |csr:|
expect do
csr.csr # it's being evaluated lazily
end.not_to raise_error
end
order.request_certificate(domain: 'example.com', private_key: private_key)
end
end
end
# frozen_string_literal: true
require 'spec_helper'
describe PagesDomainAcmeOrder do
using RSpec::Parameterized::TableSyntax
describe '.expired' do
let!(:not_expired_order) { create(:pages_domain_acme_order) }
let!(:expired_order) { create(:pages_domain_acme_order, :expired) }
it 'returns only expired orders' do
expect(described_class.count).to eq(2)
expect(described_class.expired).to eq([expired_order])
end
end
describe '.find_by_domain_and_token' do
let!(:domain) { create(:pages_domain, domain: 'test.com') }
let!(:acme_order) { create(:pages_domain_acme_order, challenge_token: 'righttoken', pages_domain: domain) }
where(:domain_name, :challenge_token, :present) do
'test.com' | 'righttoken' | true
'test.com' | 'wrongtoken' | false
'test.org' | 'righttoken' | false
end
with_them do
subject { described_class.find_by_domain_and_token(domain_name, challenge_token).present? }
it { is_expected.to eq(present) }
end
end
subject { create(:pages_domain_acme_order) }
describe 'associations' do
it { is_expected.to belong_to(:pages_domain) }
end
describe 'validations' do
it { is_expected.to validate_presence_of(:pages_domain) }
it { is_expected.to validate_presence_of(:expires_at) }
it { is_expected.to validate_presence_of(:url) }
it { is_expected.to validate_presence_of(:challenge_token) }
it { is_expected.to validate_presence_of(:challenge_file_content) }
it { is_expected.to validate_presence_of(:private_key) }
end
end
# frozen_string_literal: true
require 'spec_helper'
describe PagesDomains::CreateAcmeOrderService do
include LetsEncryptHelpers
let(:pages_domain) { create(:pages_domain) }
let(:challenge) { ::Gitlab::LetsEncrypt::Challenge.new(acme_challenge_double) }
let(:order_double) do
Gitlab::LetsEncrypt::Order.new(acme_order_double).tap do |order|
allow(order).to receive(:new_challenge).and_return(challenge)
end
end
let(:lets_encrypt_client) do
instance_double('Gitlab::LetsEncrypt::Client').tap do |client|
allow(client).to receive(:new_order).with(pages_domain.domain)
.and_return(order_double)
end
end
let(:service) { described_class.new(pages_domain) }
before do
allow(::Gitlab::LetsEncrypt::Client).to receive(:new).and_return(lets_encrypt_client)
end
it 'saves order to database before requesting validation' do
allow(pages_domain.acme_orders).to receive(:create!).and_call_original
allow(challenge).to receive(:request_validation).and_call_original
service.execute
expect(pages_domain.acme_orders).to have_received(:create!).ordered
expect(challenge).to have_received(:request_validation).ordered
end
it 'generates and saves private key' do
service.execute
saved_order = PagesDomainAcmeOrder.last
expect { OpenSSL::PKey::RSA.new(saved_order.private_key) }.not_to raise_error
end
it 'properly saves order attributes' do
service.execute
saved_order = PagesDomainAcmeOrder.last
expect(saved_order.url).to eq(order_double.url)
expect(saved_order.expires_at).to be_like_time(order_double.expires)
end
it 'properly saves challenge attributes' do
service.execute
saved_order = PagesDomainAcmeOrder.last
expect(saved_order.challenge_token).to eq(challenge.token)
expect(saved_order.challenge_file_content).to eq(challenge.file_content)
end
end
# frozen_string_literal: true
require 'spec_helper'
describe PagesDomains::ObtainLetsEncryptCertificateService do
include LetsEncryptHelpers
let(:pages_domain) { create(:pages_domain, :without_certificate, :without_key) }
let(:service) { described_class.new(pages_domain) }
before do
stub_lets_encrypt_settings
end
def expect_to_create_acme_challenge
expect(::PagesDomains::CreateAcmeOrderService).to receive(:new).with(pages_domain)
.and_wrap_original do |m, *args|
create_service = m.call(*args)
expect(create_service).to receive(:execute)
create_service
end
end
def stub_lets_encrypt_order(url, status)
order = ::Gitlab::LetsEncrypt::Order.new(acme_order_double(status: status))
allow_any_instance_of(::Gitlab::LetsEncrypt::Client).to(
receive(:load_order).with(url).and_return(order)
)
order
end
context 'when there is no acme order' do
it 'creates acme order' do
expect_to_create_acme_challenge
service.execute
end
end
context 'when there is expired acme order' do
let!(:existing_order) do
create(:pages_domain_acme_order, :expired, pages_domain: pages_domain)
end
it 'removes acme order and creates new one' do
expect_to_create_acme_challenge
service.execute
expect(PagesDomainAcmeOrder.find_by_id(existing_order.id)).to be_nil
end
end
%w(pending processing).each do |status|
context "there is an order in '#{status}' status" do
let(:existing_order) do
create(:pages_domain_acme_order, pages_domain: pages_domain)
end
before do
stub_lets_encrypt_order(existing_order.url, status)
end
it 'does not raise errors' do
expect do
service.execute
end.not_to raise_error
end
end
end
context 'when order is ready' do
let(:existing_order) do
create(:pages_domain_acme_order, pages_domain: pages_domain)
end
let!(:api_order) do
stub_lets_encrypt_order(existing_order.url, 'ready')
end
it 'request certificate' do
expect(api_order).to receive(:request_certificate).and_call_original
service.execute
end
end
context 'when order is valid' do
let(:existing_order) do
create(:pages_domain_acme_order, pages_domain: pages_domain)
end
let!(:api_order) do
stub_lets_encrypt_order(existing_order.url, 'valid')
end
let(:certificate) do
key = OpenSSL::PKey.read(existing_order.private_key)
subject = "/C=BE/O=Test/OU=Test/CN=#{pages_domain.domain}"
cert = OpenSSL::X509::Certificate.new
cert.subject = cert.issuer = OpenSSL::X509::Name.parse(subject)
cert.not_before = Time.now
cert.not_after = 1.year.from_now
cert.public_key = key.public_key
cert.serial = 0x0
cert.version = 2
ef = OpenSSL::X509::ExtensionFactory.new
ef.subject_certificate = cert
ef.issuer_certificate = cert
cert.extensions = [
ef.create_extension("basicConstraints", "CA:TRUE", true),
ef.create_extension("subjectKeyIdentifier", "hash")
]
cert.add_extension ef.create_extension("authorityKeyIdentifier",
"keyid:always,issuer:always")
cert.sign key, OpenSSL::Digest::SHA1.new
cert.to_pem
end
before do
expect(api_order).to receive(:certificate) { certificate }
end
it 'saves private_key and certificate for domain' do
service.execute
expect(pages_domain.key).to be_present
expect(pages_domain.certificate).to eq(certificate)
end
it 'removes order from database' do
service.execute
expect(PagesDomainAcmeOrder.find_by_id(existing_order.id)).to be_nil
end
end
end
# frozen_string_literal: true
module LetsEncryptHelpers
ACME_ORDER_METHODS = {
url: 'https://example.com/',
status: 'valid',
expires: 2.days.from_now
}.freeze
ACME_CHALLENGE_METHODS = {
status: 'pending',
token: 'tokenvalue',
file_content: 'hereisfilecontent',
request_validation: true
}.freeze
def stub_lets_encrypt_settings
stub_application_setting(
lets_encrypt_notification_email: 'myemail@test.example.com',
lets_encrypt_terms_of_service_accepted: true
)
end
def stub_lets_encrypt_client
client = instance_double('Acme::Client')
......@@ -16,4 +36,24 @@ module LetsEncryptHelpers
client
end
def acme_challenge_double
challenge = instance_double('Acme::Client::Resources::Challenges::HTTP01')
allow(challenge).to receive_messages(ACME_CHALLENGE_METHODS)
challenge
end
def acme_authorization_double
authorization = instance_double('Acme::Client::Resources::Authorization')
allow(authorization).to receive(:http).and_return(acme_challenge_double)
authorization
end
def acme_order_double(attributes = {})
acme_order = instance_double('Acme::Client::Resources::Order')
allow(acme_order).to receive_messages(ACME_ORDER_METHODS.merge(attributes))
allow(acme_order).to receive(:authorizations).and_return([acme_authorization_double])
allow(acme_order).to receive(:finalize)
acme_order
end
end
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