make_connection (OpenID::StandardFetcher)

    # File lib/openid/fetchers.rb, line 144
        def make_connection(uri)
          conn = make_http(uri)

          if !conn.is_a?(Net::HTTP)
            raise RuntimeError, sprintf("Expected Net::HTTP object from make_http; got %s",
                                        conn.class)
          end

          if uri.scheme == 'https'
            if supports_ssl?(conn)

              conn.use_ssl = true

              if @ca_file
                set_verified(conn, true)
                conn.ca_file = @ca_file
              else
                Util.log("WARNING: making https request to #{uri} without verifying " +
                         "server certificate; no CA path was specified.")
                set_verified(conn, false)
              end
            else
              raise RuntimeError, "SSL support not found; cannot fetch #{uri}"
            end
          end

          return conn
        end