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b1924c3524
Previously we would prepend extra content to developer-authored files, which means adding `@use` in some files would throw an error because `@use` must be at the top of any compiled file. Instead, we can ensure any developer-authored files are on the load path, and then `@import` them into the synthetic entrypoint. Plugin color_definitions stylesheets are an edge case here, and will need to be handled separately (or... wait until we move to native css relative-color syntax, then we can drop color-definition stylesheets altogether)
83 lines
2.1 KiB
Ruby
83 lines
2.1 KiB
Ruby
# frozen_string_literal: true
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require "compression/zip"
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module ThemeStore
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end
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class ThemeStore::ZipExporter
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def initialize(theme)
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@theme = theme
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@temp_folder = "#{Pathname.new(Dir.tmpdir).realpath}/discourse_theme_#{SecureRandom.hex}"
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@export_name = @theme.name.downcase.gsub(/[^0-9a-z.\-]/, "-")
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@export_name = "discourse-#{@export_name}" unless @export_name.starts_with?("discourse")
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end
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def export_name
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@export_name
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end
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def package_filename
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export_package
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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 with_export_dir(**kwargs)
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export_to_folder(**kwargs)
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yield File.join(@temp_folder, @export_name)
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ensure
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cleanup!
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end
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private
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def export_to_folder(scss_only: false)
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destination_folder = File.join(@temp_folder, @export_name)
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FileUtils.mkdir_p(destination_folder)
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@theme.theme_fields.each do |field|
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next if scss_only && !(field.extra_scss_field? || field.basic_scss_field?)
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next unless path = field.file_path
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# Belt and braces approach here. All the user input should already be
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# sanitized, but check for attempts to leave the temp directory anyway
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pathname = Pathname.new(File.join(destination_folder, path))
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folder_path = pathname.parent.cleanpath
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unless folder_path.to_s.starts_with?(destination_folder)
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raise RuntimeError.new("Theme exporter tried to leave directory")
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end
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pathname.parent.mkpath
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path = pathname.realdirpath
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unless path.to_s.starts_with?(destination_folder)
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raise RuntimeError.new("Theme exporter tried to leave directory")
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end
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if ThemeField.types[field.type_id] == :theme_upload_var
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content = field.upload.content
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else
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content = field.value
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end
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File.write(path, content)
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end
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if !scss_only
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File.write(
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File.join(destination_folder, "about.json"),
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JSON.pretty_generate(@theme.generate_metadata_hash),
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)
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end
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@temp_folder
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end
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def export_package
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export_to_folder
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Compression::Zip.new.compress(@temp_folder, @export_name)
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end
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end
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