class Bundler::Fetcher

def request(uri)
  Bundler.ui.debug "HTTP GET #{uri}"
  req = Net::HTTP::Get.new uri.request_uri
  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 Net::HTTPUnauthorized, Net::HTTPForbidden
  retry_with_auth { request(uri) }
rescue OpenSSL::SSL::SSLError
  raise CertificateFailureError.new(uri)
rescue *HTTP_ERRORS => e
  Bundler.ui.trace e
  raise HTTPError, "Network error while fetching #{uri}"
end