backends.py 文件源码

def get_auth_token(self, user_payload):
        """
        Extracts username, password from the `user_payload` and encode the
        credentials `username:password` in `base64` form
        """
        username = user_payload.get('username') or None
        password = user_payload.get('password') or None

        if not username or not password:
            raise ValueError('`user_payload` must contain both username and password')

        token = '{username}:{password}'.format(
            username=username, password=password).encode('utf-8')

        token_b64 = base64.b64encode(token).decode('utf-8', 'ignore')

        return '{auth_header_prefix} {token_b64}'.format(
            auth_header_prefix=self.auth_header_prefix, token_b64=token_b64)