diff options
Diffstat (limited to 'jwt/api_jwk.py')
| -rw-r--r-- | jwt/api_jwk.py | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/jwt/api_jwk.py b/jwt/api_jwk.py index ef8cce8..fdcde21 100644 --- a/jwt/api_jwk.py +++ b/jwt/api_jwk.py @@ -4,7 +4,7 @@ import json import time from typing import Any, Optional -from .algorithms import get_default_algorithms +from .algorithms import get_default_algorithms, has_crypto, requires_cryptography from .exceptions import InvalidKeyError, PyJWKError, PyJWKSetError from .types import JWKDict @@ -49,10 +49,13 @@ class PyJWK: else: raise InvalidKeyError(f"Unsupported kty: {kty}") + if not has_crypto and algorithm in requires_cryptography: + raise PyJWKError(f"{algorithm} requires 'cryptography' to be installed.") + self.Algorithm = self._algorithms.get(algorithm) if not self.Algorithm: - raise PyJWKError(f"Unable to find a algorithm for key: {self._jwk_data}") + raise PyJWKError(f"Unable to find an algorithm for key: {self._jwk_data}") self.key = self.Algorithm.from_jwk(self._jwk_data) @@ -66,11 +69,11 @@ class PyJWK: return PyJWK.from_dict(obj, algorithm) @property - def key_type(self) -> str: + def key_type(self) -> Optional[str]: return self._jwk_data.get("kty", None) @property - def key_id(self) -> str: + def key_id(self) -> Optional[str]: return self._jwk_data.get("kid", None) @property @@ -96,7 +99,9 @@ class PyJWKSet: continue if len(self.keys) == 0: - raise PyJWKSetError("The JWK Set did not contain any usable keys") + raise PyJWKSetError( + "The JWK Set did not contain any usable keys. Perhaps 'cryptography' is not installed?" + ) @staticmethod def from_dict(obj: dict[str, Any]) -> "PyJWKSet": |