diff options
Diffstat (limited to 'app/controllers/groups/dependency_proxy')
-rw-r--r-- | app/controllers/groups/dependency_proxy/application_controller.rb | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/app/controllers/groups/dependency_proxy/application_controller.rb b/app/controllers/groups/dependency_proxy/application_controller.rb new file mode 100644 index 00000000000..fd9db41f748 --- /dev/null +++ b/app/controllers/groups/dependency_proxy/application_controller.rb @@ -0,0 +1,66 @@ +# frozen_string_literal: true + +module Groups + module DependencyProxy + class ApplicationController < ::ApplicationController + EMPTY_AUTH_RESULT = Gitlab::Auth::Result.new(nil, nil, nil, nil).freeze + + delegate :actor, to: :@authentication_result, allow_nil: true + + # This allows auth_user to be set in the base ApplicationController + alias_method :authenticated_user, :actor + + # We disable `authenticate_user!` since the `DependencyProxy::ApplicationController` performs auth using JWT token + skip_before_action :authenticate_user!, raise: false + + prepend_before_action :authenticate_user_from_jwt_token! + + def authenticate_user_from_jwt_token! + return unless dependency_proxy_for_private_groups? + + authenticate_with_http_token do |token, _| + @authentication_result = EMPTY_AUTH_RESULT + + found_user = user_from_token(token) + sign_in(found_user) if found_user.is_a?(User) + end + + request_bearer_token! unless authenticated_user + end + + private + + def dependency_proxy_for_private_groups? + Feature.enabled?(:dependency_proxy_for_private_groups, default_enabled: true) + end + + def request_bearer_token! + # unfortunately, we cannot use https://api.rubyonrails.org/classes/ActionController/HttpAuthentication/Token.html#method-i-authentication_request + response.headers['WWW-Authenticate'] = ::DependencyProxy::Registry.authenticate_header + render plain: '', status: :unauthorized + end + + def user_from_token(token) + token_payload = ::DependencyProxy::AuthTokenService.decoded_token_payload(token) + + if token_payload['user_id'] + token_user = User.find(token_payload['user_id']) + return unless token_user + + @authentication_result = Gitlab::Auth::Result.new(token_user, nil, :user, []) + return token_user + elsif token_payload['deploy_token'] + deploy_token = DeployToken.active.find_by_token(token_payload['deploy_token']) + return unless deploy_token + + @authentication_result = Gitlab::Auth::Result.new(deploy_token, nil, :deploy_token, []) + return deploy_token + end + + nil + rescue JWT::DecodeError, JWT::ExpiredSignature, JWT::ImmatureSignature + nil + end + end + end +end |