71 lines
1.7 KiB
Ruby
71 lines
1.7 KiB
Ruby
# frozen_string_literal: true
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require 'compression/engine'
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module ThemeStore; end
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class ThemeStore::ZipImporter
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attr_reader :url
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def initialize(filename, original_filename)
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@temp_folder = "#{Pathname.new(Dir.tmpdir).realpath}/discourse_theme_#{SecureRandom.hex}"
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@filename = filename
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@original_filename = original_filename
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end
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def import!
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FileUtils.mkdir(@temp_folder)
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available_size = SiteSetting.decompressed_theme_max_file_size_mb
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Compression::Engine.engine_for(@original_filename).tap do |engine|
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engine.decompress(@temp_folder, @filename, available_size)
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strip_root_directory
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end
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rescue RuntimeError
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raise RemoteTheme::ImportError, I18n.t("themes.import_error.unpack_failed")
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rescue Compression::Zip::ExtractFailed
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raise RemoteTheme::ImportError, I18n.t("themes.import_error.file_too_big")
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end
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def cleanup!
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FileUtils.rm_rf(@temp_folder)
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end
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def version
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""
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end
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def strip_root_directory
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root_files = Dir.glob("#{@temp_folder}/*")
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if root_files.size == 1 && File.directory?(root_files[0])
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FileUtils.mv(Dir.glob("#{@temp_folder}/*/*"), @temp_folder)
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end
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end
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def real_path(relative)
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fullpath = "#{@temp_folder}/#{relative}"
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return nil unless File.exist?(fullpath)
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# careful to handle symlinks here, don't want to expose random data
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fullpath = Pathname.new(fullpath).realpath.to_s
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if fullpath && fullpath.start_with?(@temp_folder)
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fullpath
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else
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nil
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end
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end
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def all_files
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Dir.glob("**/**", base: @temp_folder).reject { |f| File.directory?(File.join(@temp_folder, f)) }
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end
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def [](value)
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fullpath = real_path(value)
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return nil unless fullpath
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File.read(fullpath)
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end
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end
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