diff options
Diffstat (limited to 'spec/bundler/support/artifice/compact_index.rb')
-rw-r--r-- | spec/bundler/support/artifice/compact_index.rb | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/spec/bundler/support/artifice/compact_index.rb b/spec/bundler/support/artifice/compact_index.rb new file mode 100644 index 0000000000..9111ed8211 --- /dev/null +++ b/spec/bundler/support/artifice/compact_index.rb @@ -0,0 +1,121 @@ +# frozen_string_literal: true +require File.expand_path("../endpoint", __FILE__) + +$LOAD_PATH.unshift Dir[base_system_gems.join("gems/compact_index*/lib")].first.to_s +require "compact_index" + +class CompactIndexAPI < Endpoint + helpers do + def load_spec(name, version, platform, gem_repo) + full_name = "#{name}-#{version}" + full_name += "-#{platform}" if platform != "ruby" + Marshal.load(Gem.inflate(File.open(gem_repo.join("quick/Marshal.4.8/#{full_name}.gemspec.rz")).read)) + end + + def etag_response + response_body = yield + checksum = Digest::MD5.hexdigest(response_body) + return if not_modified?(checksum) + headers "ETag" => quote(checksum) + headers "Surrogate-Control" => "max-age=2592000, stale-while-revalidate=60" + content_type "text/plain" + requested_range_for(response_body) + rescue => e + puts e + puts e.backtrace + raise + end + + def not_modified?(checksum) + etags = parse_etags(request.env["HTTP_IF_NONE_MATCH"]) + + return unless etags.include?(checksum) + headers "ETag" => quote(checksum) + status 304 + body "" + end + + def requested_range_for(response_body) + ranges = Rack::Utils.byte_ranges(env, response_body.bytesize) + + if ranges + status 206 + body ranges.map! {|range| slice_body(response_body, range) }.join + else + status 200 + body response_body + end + end + + def quote(string) + %("#{string}") + end + + def parse_etags(value) + value ? value.split(/, ?/).select {|s| s.sub!(/"(.*)"/, '\1') } : [] + end + + def slice_body(body, range) + if body.respond_to?(:byteslice) + body.byteslice(range) + else # pre-1.9.3 + body.unpack("@#{range.first}a#{range.end + 1}").first + end + end + + def gems(gem_repo = GEM_REPO) + @gems ||= {} + @gems[gem_repo] ||= begin + specs = Bundler::Deprecate.skip_during do + %w(specs.4.8 prerelease_specs.4.8).map do |filename| + Marshal.load(File.open(gem_repo.join(filename)).read).map do |name, version, platform| + load_spec(name, version, platform, gem_repo) + end + end.flatten + end + + specs.group_by(&:name).map do |name, versions| + gem_versions = versions.map do |spec| + deps = spec.dependencies.select {|d| d.type == :runtime }.map do |d| + reqs = d.requirement.requirements.map {|r| r.join(" ") }.join(", ") + CompactIndex::Dependency.new(d.name, reqs) + end + checksum = begin + Digest::SHA256.file("#{GEM_REPO}/gems/#{spec.original_name}.gem").base64digest + rescue + nil + end + CompactIndex::GemVersion.new(spec.version.version, spec.platform.to_s, checksum, nil, + deps, spec.required_ruby_version, spec.required_rubygems_version) + end + CompactIndex::Gem.new(name, gem_versions) + end + end + end + end + + get "/names" do + etag_response do + CompactIndex.names(gems.map(&:name)) + end + end + + get "/versions" do + etag_response do + file = tmp("versions.list") + file.delete if file.file? + file = CompactIndex::VersionsFile.new(file.to_s) + file.create(gems) + file.contents + end + end + + get "/info/:name" do + etag_response do + gem = gems.find {|g| g.name == params[:name] } + CompactIndex.info(gem ? gem.versions : []) + end + end +end + +Artifice.activate_with(CompactIndexAPI) |