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|
# frozen_string_literal: true
module Projects
class ImportService < BaseService
Error = Class.new(StandardError)
PermissionError = Class.new(StandardError)
# Returns true if this importer is supposed to perform its work in the
# background.
#
# This method will only return `true` if async importing is explicitly
# supported by an importer class (`Gitlab::GithubImport::ParallelImporter`
# for example).
def async?
has_importer? && !!importer_class.try(:async?)
end
def execute
track_start_import
add_repository_to_project
validate_repository_size!
download_lfs_objects
import_data
after_execute_hook
success
rescue Gitlab::HTTP_V2::UrlBlocker::BlockedUrlError, StandardError => e
Gitlab::Import::ImportFailureService.track(
project_id: project.id,
error_source: self.class.name,
exception: e,
metrics: true
)
message = Projects::ImportErrorFilter.filter_message(e.message)
error(
s_(
"ImportProjects|Error importing repository %{project_safe_import_url} into %{project_full_path} - %{message}"
) % { project_safe_import_url: project.safe_import_url, project_full_path: project.full_path, message: message }
)
end
protected
def extra_attributes_for_measurement
{
current_user: current_user&.name,
project_full_path: project&.full_path,
import_type: project&.import_type,
file_path: project&.import_source
}
end
private
attr_reader :resolved_address
def validate_repository_size!
# Defined in EE::Projects::ImportService
end
def after_execute_hook
# Defined in EE::Projects::ImportService
end
def track_start_import
has_importer? && importer_class.try(:track_start_import, project)
end
def add_repository_to_project
if project.external_import? && !unknown_url?
begin
@resolved_address = get_resolved_address
rescue Gitlab::HTTP_V2::UrlBlocker::BlockedUrlError => e
raise e, s_("ImportProjects|Blocked import URL: %{message}") % { message: e.message }
end
end
# We should skip the repository for a GitHub import or GitLab project import,
# because these importers fetch the project repositories for us.
return if importer_imports_repository?
if unknown_url?
# In this case, we only want to import issues, not a repository.
create_repository
elsif !project.repository_exists?
import_repository
end
end
def create_repository
unless project.create_repository
raise Error, s_('ImportProjects|The repository could not be created.')
end
end
def import_repository
refmap = importer_class.try(:refmap) if has_importer?
if refmap
project.ensure_repository
project.repository.fetch_as_mirror(project.import_url, refmap: refmap, resolved_address: resolved_address)
else
project.repository.import_repository(project.import_url, resolved_address: resolved_address)
end
rescue ::Gitlab::Git::CommandError => e
# Expire cache to prevent scenarios such as:
# 1. First import failed, but the repo was imported successfully, so +exists?+ returns true
# 2. Retried import, repo is broken or not imported but +exists?+ still returns true
project.repository.expire_content_cache if project.repository_exists?
raise Error, e.message
end
def download_lfs_objects
# In this case, we only want to import issues
return if unknown_url?
# If it has its own repository importer, it has to implements its own lfs import download
return if importer_imports_repository?
return unless project.lfs_enabled?
result = Projects::LfsPointers::LfsImportService.new(project).execute
if result[:status] == :error
# To avoid aborting the importing process, we silently fail
# if any exception raises.
Gitlab::AppLogger.error("The Lfs import process failed. #{result[:message]}")
end
end
def import_data
return unless has_importer?
project.repository.expire_content_cache unless project.gitlab_project_import?
unless importer.execute
raise Error, s_('ImportProjects|The remote data could not be imported.')
end
end
def importer_class
@importer_class ||= Gitlab::ImportSources.importer(project.import_type)
end
def has_importer?
Gitlab::ImportSources.importer_names.include?(project.import_type)
end
def importer
importer_class.new(project)
end
def unknown_url?
project.import_url == Project::UNKNOWN_IMPORT_URL
end
def importer_imports_repository?
has_importer? && importer_class.try(:imports_repository?)
end
def get_resolved_address
Gitlab::UrlBlocker
.validate!(
project.import_url,
schemes: Project::VALID_IMPORT_PROTOCOLS,
ports: Project::VALID_IMPORT_PORTS,
allow_localhost: allow_local_requests?,
allow_local_network: allow_local_requests?,
dns_rebind_protection: dns_rebind_protection?)
.then do |(import_url, resolved_host)|
next '' if resolved_host.nil? || !import_url.scheme.in?(%w[http https])
import_url.hostname.to_s
end
end
def allow_local_requests?
Rails.env.development? && # There is no known usecase for this in non-development environments
Gitlab::CurrentSettings.allow_local_requests_from_web_hooks_and_services?
end
def dns_rebind_protection?
return false if Gitlab.http_proxy_env?
Gitlab::CurrentSettings.dns_rebinding_protection_enabled?
end
end
end
Projects::ImportService.prepend_mod_with('Projects::ImportService')
|