jwt.py 文件源码

def decode(self, token):
        try:
            return jwt.decode(token,
                              self.secret,
                              algorithm=self.algorithm,
                              issuer=self.issuer)
        except jwt.ExpiredSignature:
            raise InvalidUsage("Token is expired")
        except jwt.DecodeError:
            raise InvalidUsage('Token signature is invalid')
        except Exception:
            raise Exception('Unable to parse authentication token.')