module Gitlab module GitalyClient # This is a chokepoint that is meant to help us stop remove all places # where production code (app, config, db, lib) touches Git repositories # directly. class StorageSettings extend Gitlab::TemporarilyAllow DirectPathAccessError = Class.new(StandardError) InvalidConfigurationError = Class.new(StandardError) INVALID_STORAGE_MESSAGE = <<~MSG.freeze Storage is invalid because it has no `path` key. For source installations, update your config/gitlab.yml Refer to gitlab.yml.example for an updated example. If you're using the GitLab Development Kit, you can update your configuration running `gdk reconfigure`. MSG # This class will give easily recognizable NoMethodErrors Deprecated = Class.new MUTEX = Mutex.new DISK_ACCESS_DENIED_FLAG = :deny_disk_access ALLOW_KEY = :allow_disk_access # If your code needs this method then your code needs to be fixed. def self.allow_disk_access temporarily_allow(ALLOW_KEY) { yield } end def self.disk_access_denied? !temporarily_allowed?(ALLOW_KEY) && GitalyClient.feature_enabled?(DISK_ACCESS_DENIED_FLAG) rescue false # Err on the side of caution, don't break gitlab for people end def initialize(storage) raise InvalidConfigurationError, "expected a Hash, got a #{storage.class.name}" unless storage.is_a?(Hash) raise InvalidConfigurationError, INVALID_STORAGE_MESSAGE unless storage.has_key?('path') # Support a nil 'path' field because some of the circuit breaker tests use it. @legacy_disk_path = File.expand_path(storage['path'], Rails.root) if storage['path'] storage['path'] = Deprecated @hash = storage end def gitaly_address @hash.fetch(:gitaly_address) end def legacy_disk_path if self.class.disk_access_denied? raise DirectPathAccessError, "git disk access denied via the gitaly_#{DISK_ACCESS_DENIED_FLAG} feature" end @legacy_disk_path end private def method_missing(msg, *args, &block) @hash.public_send(msg, *args, &block) # rubocop:disable GitlabSecurity/PublicSend end end end end