131 lines
4.5 KiB
Ruby
Executable File
131 lines
4.5 KiB
Ruby
Executable File
# frozen_string_literal: true
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module API
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class GoProxy < ::API::Base
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helpers Gitlab::Golang
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helpers ::API::Helpers::PackagesHelpers
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feature_category :package_registry
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urgency :low
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# basic semver, except case encoded (A => !a)
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MODULE_VERSION_REGEX = /v(0|[1-9]\d*)\.(0|[1-9]\d*)\.(0|[1-9]\d*)(?:-([-.!a-z0-9]+))?(?:\+([-.!a-z0-9]+))?/.freeze
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MODULE_VERSION_REQUIREMENTS = { module_version: MODULE_VERSION_REGEX }.freeze
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content_type :txt, 'text/plain'
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before { require_packages_enabled! }
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helpers do
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def project
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user_project(action: :read_package)
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end
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def case_decode(str)
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# Converts "github.com/!azure" to "github.com/Azure"
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#
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# From `go help goproxy`:
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#
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# > To avoid problems when serving from case-sensitive file systems,
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# > the <module> and <version> elements are case-encoded, replacing
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# > every uppercase letter with an exclamation mark followed by the
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# > corresponding lower-case letter: github.com/Azure encodes as
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# > github.com/!azure.
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str.gsub(/![[:alpha:]]/) { |s| s[1..].upcase }
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end
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def find_module
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not_found! unless Feature.enabled?(:go_proxy, project)
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module_name = case_decode params[:module_name]
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bad_request_missing_attribute!('Module Name') if module_name.blank?
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mod = ::Packages::Go::ModuleFinder.new(project, module_name).execute
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not_found! unless mod
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mod
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end
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def find_version
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module_version = case_decode params[:module_version]
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ver = ::Packages::Go::VersionFinder.new(find_module).find(module_version)
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not_found! unless ver&.valid?
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ver
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rescue ArgumentError
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not_found!
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end
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end
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params do
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requires :id, types: [String, Integer], desc: 'The ID or URL-encoded path of the project'
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requires :module_name, type: String, desc: 'Module name', coerce_with: ->(val) { CGI.unescape(val) }
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end
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route_setting :authentication, job_token_allowed: true, basic_auth_personal_access_token: true, authenticate_non_public: true
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resource :projects, requirements: API::NAMESPACE_OR_PROJECT_REQUIREMENTS do
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before do
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authorize_read_package!(project)
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end
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namespace ':id/packages/go/*module_name/@v' do
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desc 'Get all tagged versions for a given Go module' do
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detail 'See `go help goproxy`, GET $GOPROXY/<module>/@v/list. This feature was introduced in GitLab 13.1.'
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end
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get 'list' do
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mod = find_module
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content_type 'text/plain'
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mod.versions.map { |t| t.name }.join("\n")
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end
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desc 'Get information about the given module version' do
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detail 'See `go help goproxy`, GET $GOPROXY/<module>/@v/<version>.info. This feature was introduced in GitLab 13.1.'
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success ::API::Entities::GoModuleVersion
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end
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params do
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requires :module_version, type: String, desc: 'Module version'
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end
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get ':module_version.info', requirements: MODULE_VERSION_REQUIREMENTS do
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ver = find_version
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present ::Packages::Go::ModuleVersionPresenter.new(ver), with: ::API::Entities::GoModuleVersion
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end
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desc 'Get the module file of the given module version' do
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detail 'See `go help goproxy`, GET $GOPROXY/<module>/@v/<version>.mod. This feature was introduced in GitLab 13.1.'
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end
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params do
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requires :module_version, type: String, desc: 'Module version'
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end
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get ':module_version.mod', requirements: MODULE_VERSION_REQUIREMENTS do
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ver = find_version
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content_type 'text/plain'
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ver.gomod
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end
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desc 'Get a zip of the source of the given module version' do
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detail 'See `go help goproxy`, GET $GOPROXY/<module>/@v/<version>.zip. This feature was introduced in GitLab 13.1.'
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end
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params do
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requires :module_version, type: String, desc: 'Module version'
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end
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get ':module_version.zip', requirements: MODULE_VERSION_REQUIREMENTS do
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ver = find_version
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content_type 'application/zip'
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env['api.format'] = :binary
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header['Content-Disposition'] = ActionDispatch::Http::ContentDisposition.format(disposition: 'attachment', filename: ver.name + '.zip')
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header['Content-Transfer-Encoding'] = 'binary'
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status :ok
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body ver.archive.string
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end
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end
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end
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end
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end
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