0x1949 Team - FAZEMRX - MANAGER
Edit File: api_jwk.py
import json from .algorithms import get_default_algorithms from .exceptions import InvalidKeyError, PyJWKError, PyJWKSetError class PyJWK: def __init__(self, jwk_data, algorithm=None): self._algorithms = get_default_algorithms() self._jwk_data = jwk_data kty = self._jwk_data.get("kty", None) if not kty: raise InvalidKeyError("kty is not found: %s" % self._jwk_data) if not algorithm and isinstance(self._jwk_data, dict): algorithm = self._jwk_data.get("alg", None) if not algorithm: # Determine alg with kty (and crv). crv = self._jwk_data.get("crv", None) if kty == "EC": if crv == "P-256" or not crv: algorithm = "ES256" elif crv == "P-384": algorithm = "ES384" elif crv == "P-521": algorithm = "ES512" elif crv == "secp256k1": algorithm = "ES256K" else: raise InvalidKeyError("Unsupported crv: %s" % crv) elif kty == "RSA": algorithm = "RS256" elif kty == "oct": algorithm = "HS256" elif kty == "OKP": if not crv: raise InvalidKeyError("crv is not found: %s" % self._jwk_data) if crv == "Ed25519": algorithm = "EdDSA" else: raise InvalidKeyError("Unsupported crv: %s" % crv) else: raise InvalidKeyError("Unsupported kty: %s" % kty) self.Algorithm = self._algorithms.get(algorithm) if not self.Algorithm: raise PyJWKError("Unable to find a algorithm for key: %s" % self._jwk_data) self.key = self.Algorithm.from_jwk(self._jwk_data) @staticmethod def from_dict(obj, algorithm=None): return PyJWK(obj, algorithm) @staticmethod def from_json(data, algorithm=None): obj = json.loads(data) return PyJWK.from_dict(obj, algorithm) @property def key_type(self): return self._jwk_data.get("kty", None) @property def key_id(self): return self._jwk_data.get("kid", None) @property def public_key_use(self): return self._jwk_data.get("use", None) class PyJWKSet: def __init__(self, keys): self.keys = [] if not keys or not isinstance(keys, list): raise PyJWKSetError("Invalid JWK Set value") if len(keys) == 0: raise PyJWKSetError("The JWK Set did not contain any keys") for key in keys: self.keys.append(PyJWK(key)) @staticmethod def from_dict(obj): keys = obj.get("keys", []) return PyJWKSet(keys) @staticmethod def from_json(data): obj = json.loads(data) return PyJWKSet.from_dict(obj)