JezK
Edit File: downloader.rb
# frozen_string_literal: true module Bundler class Fetcher class Downloader attr_reader :connection attr_reader :redirect_limit def initialize(connection, redirect_limit) @connection = connection @redirect_limit = redirect_limit end def fetch(uri, headers = {}, counter = 0) raise HTTPError, "Too many redirects" if counter >= redirect_limit response = request(uri, headers) Bundler.ui.debug("HTTP #{response.code} #{response.message} #{uri}") case response when Net::HTTPSuccess, Net::HTTPNotModified response when Net::HTTPRedirection new_uri = Bundler::URI.parse(response["location"]) if new_uri.host == uri.host new_uri.user = uri.user new_uri.password = uri.password end fetch(new_uri, headers, counter + 1) when Net::HTTPRequestedRangeNotSatisfiable new_headers = headers.dup new_headers.delete("Range") new_headers["Accept-Encoding"] = "gzip" fetch(uri, new_headers) when Net::HTTPRequestEntityTooLarge raise FallbackError, response.body when Net::HTTPTooManyRequests raise TooManyRequestsError, response.body when Net::HTTPUnauthorized raise BadAuthenticationError, uri.host if uri.userinfo raise AuthenticationRequiredError, uri.host when Net::HTTPNotFound raise FallbackError, "Net::HTTPNotFound: #{URICredentialsFilter.credential_filtered_uri(uri)}" else raise HTTPError, "#{response.class}#{": #{response.body}" unless response.body.empty?}" end end def request(uri, headers) validate_uri_scheme!(uri) Bundler.ui.debug "HTTP GET #{uri}" req = Net::HTTP::Get.new uri.request_uri, headers if uri.user user = CGI.unescape(uri.user) password = uri.password ? CGI.unescape(uri.password) : nil req.basic_auth(user, password) end connection.request(uri, req) rescue NoMethodError => e raise unless ["undefined method", "use_ssl="].all? {|snippet| e.message.include? snippet } raise LoadError.new("cannot load such file -- openssl") rescue OpenSSL::SSL::SSLError raise CertificateFailureError.new(uri) rescue *HTTP_ERRORS => e Bundler.ui.trace e case e.message when /host down:/, /getaddrinfo: nodename nor servname provided/ raise NetworkDownError, "Could not reach host #{uri.host}. Check your network " \ "connection and try again." else raise HTTPError, "Network error while fetching #{URICredentialsFilter.credential_filtered_uri(uri)}" \ " (#{e})" end end private def validate_uri_scheme!(uri) return if uri.scheme =~ /\Ahttps?\z/ raise InvalidOption, "The request uri `#{uri}` has an invalid scheme (`#{uri.scheme}`). " \ "Did you mean `http` or `https`?" end end end end