59 lines
1.6 KiB
Ruby
59 lines
1.6 KiB
Ruby
|
# frozen_string_literal: true
|
||
|
|
|
||
|
|
module BulkImports
|
||
|
|
class FileDecompressionService
|
||
|
|
include Gitlab::ImportExport::CommandLineUtil
|
||
|
|
|
||
|
|
ServiceError = Class.new(StandardError)
|
||
|
|
|
||
|
|
def initialize(dir:, filename:)
|
||
|
|
@dir = dir
|
||
|
|
@filename = filename
|
||
|
|
@filepath = File.join(@dir, @filename)
|
||
|
|
@decompressed_filename = File.basename(@filename, '.gz')
|
||
|
|
@decompressed_filepath = File.join(@dir, @decompressed_filename)
|
||
|
|
end
|
||
|
|
|
||
|
|
def execute
|
||
|
|
validate_dir
|
||
|
|
validate_decompressed_file_size if Feature.enabled?(:validate_import_decompressed_archive_size, default_enabled: :yaml)
|
||
|
|
validate_symlink(filepath)
|
||
|
|
|
||
|
|
decompress_file
|
||
|
|
|
||
|
|
validate_symlink(decompressed_filepath)
|
||
|
|
|
||
|
|
filepath
|
||
|
|
rescue StandardError => e
|
||
|
|
File.delete(filepath) if File.exist?(filepath)
|
||
|
|
File.delete(decompressed_filepath) if File.exist?(decompressed_filepath)
|
||
|
|
|
||
|
|
raise e
|
||
|
|
end
|
||
|
|
|
||
|
|
private
|
||
|
|
|
||
|
|
attr_reader :dir, :filename, :filepath, :decompressed_filename, :decompressed_filepath
|
||
|
|
|
||
|
|
def validate_dir
|
||
|
|
raise(ServiceError, 'Invalid target directory') unless dir.start_with?(Dir.tmpdir)
|
||
|
|
end
|
||
|
|
|
||
|
|
def validate_decompressed_file_size
|
||
|
|
raise(ServiceError, 'File decompression error') unless size_validator.valid?
|
||
|
|
end
|
||
|
|
|
||
|
|
def validate_symlink(filepath)
|
||
|
|
raise(ServiceError, 'Invalid file') if File.lstat(filepath).symlink?
|
||
|
|
end
|
||
|
|
|
||
|
|
def decompress_file
|
||
|
|
gunzip(dir: dir, filename: filename)
|
||
|
|
end
|
||
|
|
|
||
|
|
def size_validator
|
||
|
|
@size_validator ||= Gitlab::ImportExport::DecompressedArchiveSizeValidator.new(archive_path: filepath)
|
||
|
|
end
|
||
|
|
end
|
||
|
|
end
|