class Namespace < ActiveRecord::Base acts_as_paranoid include CacheMarkdownField include Sortable include Gitlab::ShellAdapter include Gitlab::CurrentSettings include Routable # Prevent users from creating unreasonably deep level of nesting. # The number 20 was taken based on maximum nesting level of # Android repo (15) + some extra backup. NUMBER_OF_ANCESTORS_ALLOWED = 20 cache_markdown_field :description, pipeline: :description has_many :projects, dependent: :destroy has_many :project_statistics belongs_to :owner, class_name: "User" belongs_to :parent, class_name: "Namespace" has_many :children, class_name: "Namespace", foreign_key: :parent_id has_one :chat_team, dependent: :destroy validates :owner, presence: true, unless: ->(n) { n.type == "Group" } validates :name, presence: true, uniqueness: { scope: :parent_id }, length: { maximum: 255 }, namespace_name: true validates :description, length: { maximum: 255 } validates :path, presence: true, length: { maximum: 255 }, namespace: true validate :nesting_level_allowed delegate :name, to: :owner, allow_nil: true, prefix: true after_update :move_dir, if: :path_changed? after_commit :refresh_access_of_projects_invited_groups, on: :update, if: -> { previous_changes.key?('share_with_group_lock') } # Save the storage paths before the projects are destroyed to use them on after destroy before_destroy(prepend: true) { prepare_for_destroy } after_destroy :rm_dir scope :root, -> { where('type IS NULL') } scope :with_statistics, -> do joins('LEFT JOIN project_statistics ps ON ps.namespace_id = namespaces.id') .group('namespaces.id') .select( 'namespaces.*', 'COALESCE(SUM(ps.storage_size), 0) AS storage_size', 'COALESCE(SUM(ps.repository_size), 0) AS repository_size', 'COALESCE(SUM(ps.lfs_objects_size), 0) AS lfs_objects_size', 'COALESCE(SUM(ps.build_artifacts_size), 0) AS build_artifacts_size', ) end class << self def by_path(path) find_by('lower(path) = :value', value: path.downcase) end # Case insensetive search for namespace by path or name def find_by_path_or_name(path) find_by("lower(path) = :path OR lower(name) = :path", path: path.downcase) end # Searches for namespaces matching the given query. # # This method uses ILIKE on PostgreSQL and LIKE on MySQL. # # query - The search query as a String # # Returns an ActiveRecord::Relation def search(query) t = arel_table pattern = "%#{query}%" where(t[:name].matches(pattern).or(t[:path].matches(pattern))) end def clean_path(path) path = path.dup # Get the email username by removing everything after an `@` sign. path.gsub!(/@.*\z/, "") # Remove everything that's not in the list of allowed characters. path.gsub!(/[^a-zA-Z0-9_\-\.]/, "") # Remove trailing violations ('.atom', '.git', or '.') path.gsub!(/(\.atom|\.git|\.)*\z/, "") # Remove leading violations ('-') path.gsub!(/\A\-+/, "") # Users with the great usernames of "." or ".." would end up with a blank username. # Work around that by setting their username to "blank", followed by a counter. path = "blank" if path.blank? uniquify = Uniquify.new uniquify.string(path) { |s| Namespace.find_by_path_or_name(s) } end end def to_param full_path end def human_name owner_name end def move_dir if any_project_has_container_registry_tags? raise Gitlab::UpdatePathError.new('Namespace cannot be moved, because at least one project has tags in container registry') end # Move the namespace directory in all storages paths used by member projects repository_storage_paths.each do |repository_storage_path| # Ensure old directory exists before moving it gitlab_shell.add_namespace(repository_storage_path, path_was) unless gitlab_shell.mv_namespace(repository_storage_path, path_was, path) Rails.logger.error "Exception moving path #{repository_storage_path} from #{path_was} to #{path}" # if we cannot move namespace directory we should rollback # db changes in order to prevent out of sync between db and fs raise Gitlab::UpdatePathError.new('namespace directory cannot be moved') end end Gitlab::UploadsTransfer.new.rename_namespace(path_was, path) Gitlab::PagesTransfer.new.rename_namespace(path_was, path) remove_exports! # If repositories moved successfully we need to # send update instructions to users. # However we cannot allow rollback since we moved namespace dir # So we basically we mute exceptions in next actions begin send_update_instructions rescue # Returning false does not rollback after_* transaction but gives # us information about failing some of tasks false end end def any_project_has_container_registry_tags? projects.any?(&:has_container_registry_tags?) end def send_update_instructions projects.each do |project| project.send_move_instructions("#{path_was}/#{project.path}") end end def kind type == 'Group' ? 'group' : 'user' end def find_fork_of(project) projects.joins(:forked_project_link).find_by('forked_project_links.forked_from_project_id = ?', project.id) end def lfs_enabled? # User namespace will always default to the global setting Gitlab.config.lfs.enabled end def shared_runners_enabled? projects.with_shared_runners.any? end # Scopes the model on ancestors of the record def ancestors if parent_id path = route ? route.path : full_path paths = [] until path.blank? path = path.rpartition('/').first paths << path end self.class.joins(:route).where('routes.path IN (?)', paths).reorder('routes.path ASC') else self.class.none end end # Scopes the model on direct and indirect children of the record def descendants self.class.joins(:route).where('routes.path LIKE ?', "#{route.path}/%").reorder('routes.path ASC') end def user_ids_for_project_authorizations [owner_id] end def parent_changed? parent_id_changed? end def prepare_for_destroy old_repository_storage_paths end def old_repository_storage_paths @old_repository_storage_paths ||= repository_storage_paths end private def repository_storage_paths # We need to get the storage paths for all the projects, even the ones that are # pending delete. Unscoping also get rids of the default order, which causes # problems with SELECT DISTINCT. Project.unscoped do projects.select('distinct(repository_storage)').to_a.map(&:repository_storage_path) end end def rm_dir # Remove the namespace directory in all storages paths used by member projects old_repository_storage_paths.each do |repository_storage_path| # Move namespace directory into trash. # We will remove it later async new_path = "#{path}+#{id}+deleted" if gitlab_shell.mv_namespace(repository_storage_path, path, new_path) message = "Namespace directory \"#{path}\" moved to \"#{new_path}\"" Gitlab::AppLogger.info message # Remove namespace directroy async with delay so # GitLab has time to remove all projects first GitlabShellWorker.perform_in(5.minutes, :rm_namespace, repository_storage_path, new_path) end end remove_exports! end def refresh_access_of_projects_invited_groups Group. joins(project_group_links: :project). where(projects: { namespace_id: id }). find_each(&:refresh_members_authorized_projects) end def remove_exports! Gitlab::Popen.popen(%W(find #{export_path} -not -path #{export_path} -delete)) end def export_path File.join(Gitlab::ImportExport.storage_path, full_path_was) end def full_path_was if parent parent.full_path + '/' + path_was else path_was end end def nesting_level_allowed if ancestors.count > Group::NUMBER_OF_ANCESTORS_ALLOWED errors.add(:parent_id, "has too deep level of nesting") end end end