request.py 文件源码

def _extract_server(s):
        """Decodes and processes server parameter from auth request

        Args:
            s (string) : The b64u-encoded string passed by the client.

        Returns:
            dict
        """

        s = urlsafe_b64decode(pad(s)).decode('utf-8').strip()

        #if it's a valid s/qrl URL, then return it
        u = urllib.parse.urlparse(s)
        if ( (u.scheme == 'sqrl') or (u.scheme == 'qrl') ):
            return s

        #Otherwise it's name/value pairs
        server = {}
        for line in s.split('\r\n'):
            name, value = line.split('=', 1)
            server[name] = value
        return server