mixins.py 文件源码

def authenticate(self, request):
        auth = get_authorization_header(request).split()
        auth_header_prefix = api_settings.JWT_AUTH_HEADER_PREFIX.lower()

        if not auth or smart_text(auth[0].lower()) != auth_header_prefix:
            raise exceptions.AuthenticationFailed()

        if len(auth) == 1:
            msg = _("Invalid Authorization header. No credentials provided.")
            raise exceptions.AuthenticationFailed(msg)
        elif len(auth) > 2:
            msg = _("Invalid Authorization header. Credentials string should not contain spaces.")
            raise exceptions.AuthenticationFailed(msg)

        try:
            payload = jwt_decode_handler(auth[1])
        except jwt.ExpiredSignature:
            msg = _("Signature has expired.")
            raise exceptions.AuthenticationFailed(msg)
        except jwt.DecodeError:
            msg = _("Error decoding signature.")
            raise exceptions.AuthenticationFailed(msg)

        user = self.authenticate_credentials(payload)

        return (user, auth[1])