debian-mirror-gitlab/lib/gitlab/auth/request_authenticator.rb
2022-04-04 11:22:00 +05:30

112 lines
3.3 KiB
Ruby

# frozen_string_literal: true
# Use for authentication only, in particular for Rack::Attack.
# Does not perform authorization of scopes, etc.
module Gitlab
module Auth
class RequestAuthenticator
include AuthFinders
attr_reader :request
def initialize(request)
@request = request
end
def user(request_formats)
request_formats.each do |format|
user = find_sessionless_user(format)
return user if user
end
find_user_from_warden
end
def runner
find_runner_from_token
rescue Gitlab::Auth::AuthenticationError
nil
end
def find_sessionless_user(request_format)
find_user_from_dependency_proxy_token ||
find_user_from_web_access_token(request_format, scopes: [:api, :read_api]) ||
find_user_from_feed_token(request_format) ||
find_user_from_static_object_token(request_format) ||
find_user_from_basic_auth_job ||
find_user_from_job_token ||
find_user_from_personal_access_token_for_api_or_git ||
find_user_for_git_or_lfs_request
rescue Gitlab::Auth::AuthenticationError
nil
end
# To prevent Rack Attack from incorrectly rate limiting
# authenticated Git activity, we need to authenticate the user
# from other means (e.g. HTTP Basic Authentication) only if the
# request originated from a Git or Git LFS
# request. Repositories::GitHttpClientController or
# Repositories::LfsApiController normally does the authentication,
# but Rack Attack runs before those controllers.
def find_user_for_git_or_lfs_request
return unless git_or_lfs_request?
find_user_from_lfs_token || find_user_from_basic_auth_password
end
def find_user_from_personal_access_token_for_api_or_git
return unless api_request? || git_or_lfs_request?
find_user_from_personal_access_token
end
def valid_access_token?(scopes: [])
validate_access_token!(scopes: scopes)
true
rescue Gitlab::Auth::AuthenticationError
false
end
private
def access_token
strong_memoize(:access_token) do
super || find_personal_access_token_from_http_basic_auth
end
end
def route_authentication_setting
@route_authentication_setting ||= {
job_token_allowed: api_request?,
basic_auth_personal_access_token: api_request? || git_request?
}
end
def find_user_from_dependency_proxy_token
return unless dependency_proxy_request?
token, _ = ActionController::HttpAuthentication::Token.token_and_options(current_request)
return unless token
user_or_deploy_token = ::DependencyProxy::AuthTokenService.user_or_deploy_token_from_jwt(token)
# Do not return deploy tokens
# See https://gitlab.com/gitlab-org/gitlab/-/issues/342481
return unless user_or_deploy_token.is_a?(::User)
user_or_deploy_token
rescue ActiveRecord::RecordNotFound
nil # invalid id used return no user
end
def dependency_proxy_request?
Gitlab::PathRegex.dependency_proxy_route_regex.match?(current_request.path)
end
end
end
end
Gitlab::Auth::RequestAuthenticator.prepend_mod