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|
# frozen_string_literal: true
class JwtController < ApplicationController
skip_around_action :set_session_storage
skip_before_action :authenticate_user!
skip_before_action :verify_authenticity_token
# Add this before other actions, since we want to have the user or project
prepend_before_action :auth_user, :authenticate_project_or_user
around_action :bypass_admin_mode!, if: :auth_user
feature_category :container_registry
# https://gitlab.com/gitlab-org/gitlab/-/issues/357037
urgency :low
SERVICES = {
::Auth::ContainerRegistryAuthenticationService::AUDIENCE => ::Auth::ContainerRegistryAuthenticationService,
::Auth::DependencyProxyAuthenticationService::AUDIENCE => ::Auth::DependencyProxyAuthenticationService
}.freeze
# Currently POST requests for this route return a 404 by default and are allowed through in our readonly middleware -
# ee/lib/ee/gitlab/middleware/read_only/controller.rb
# If the action here changes to allow POST requests then a check for maintenance mode should be added
def auth
service = SERVICES[params[:service]]
return head :not_found unless service
result = service.new(@authentication_result.project, auth_user, auth_params)
.execute(authentication_abilities: @authentication_result.authentication_abilities)
render json: result, status: result[:http_status]
end
private
def authenticate_project_or_user
@authentication_result = Gitlab::Auth::Result.new(nil, nil, :none, Gitlab::Auth.read_only_authentication_abilities)
authenticate_with_http_basic do |login, password|
@authentication_result = Gitlab::Auth.find_for_git_client(login, password, project: nil, request: request)
@raw_token = password if @authentication_result.type == :personal_access_token
if @authentication_result.failed?
log_authentication_failed(login, @authentication_result)
render_access_denied
end
end
rescue Gitlab::Auth::MissingPersonalAccessTokenError
render_access_denied
end
def log_authentication_failed(login, result)
log_info = {
message: 'JWT authentication failed',
http_user: login,
remote_ip: request.ip,
auth_service: params[:service],
'auth_result.type': result.type,
'auth_result.actor_type': result.actor&.class
}.merge(::Gitlab::ApplicationContext.current)
Gitlab::AuthLogger.warn(log_info)
end
def render_access_denied
help_page = help_page_url(
'user/profile/account/two_factor_authentication_troubleshooting.md',
anchor: 'error-http-basic-access-denied-if-a-password-was-provided-for-git-authentication-'
)
render(
json: { errors: [{
code: 'UNAUTHORIZED',
message: format(_("HTTP Basic: Access denied. If a password was provided for Git authentication, the password was incorrect or you're required to use a token instead of a password. If a token was provided, it was either incorrect, expired, or improperly scoped. See %{help_page_url}"), help_page_url: help_page)
}] },
status: :unauthorized
)
end
def auth_params
params.permit(:service, :account, :client_id)
.merge(additional_params)
end
def additional_params
{
scopes: scopes_param,
raw_token: @raw_token,
deploy_token: @authentication_result.deploy_token,
auth_type: @authentication_result.type
}.compact
end
# We have to parse scope here, because Docker Client does not send an array of scopes,
# but rather a flat list and we loose second scope when being processed by Rails:
# scope=scopeA&scope=scopeB.
#
# Additionally, according to RFC6749 (https://datatracker.ietf.org/doc/html/rfc6749#section-3.3), some clients may use
# a scope parameter expressed as a list of space-delimited elements. Therefore, we must account for this and split the
# scope parameter value(s) appropriately.
#
# This method makes to always return an array of scopes
def scopes_param
return unless params[:scope].present?
scopes = Array(Rack::Utils.parse_query(request.query_string)['scope'])
scopes.flat_map(&:split)
end
def auth_user
strong_memoize(:auth_user) do
@authentication_result.auth_user
end
end
def bypass_admin_mode!(&)
return yield unless Gitlab::CurrentSettings.admin_mode
Gitlab::Auth::CurrentUserMode.bypass_session!(auth_user.id, &)
end
end
|
