\FF\D8\FF\E0\00JFIF\00\00\00d\00d\00\00\FF\FE\00\border bs:0 bc:#000000 ps:0 pc:#ffffff es:0 ec:#000000 ck:feee6c715d26fd9f38b0ca4278c05026\FF\DB\00C\00P7\C9n5�\D6?\BD�\9Ds\EBp\9F[`8m\B7)o\B5\E8\E6I\99\FE3]]A2\BA\8Cw\D6E\93\\DEv\C8\009\F2\F1NI?uc\\F5\EA\96k\xN<~buv\EA\C8\D7 \8B\84\CEcxI\BBg\AE\9E=\D6+n\EC\80\C8A\8C\AE\EB\CF\D5\DA\E9"2\A4\B9j5\EB\F3W\B63\96\B30Yu\DA\FC8\ED\DF\E7Ms\FB\F1\8E\B3\FA\EA\E8\E6(\883zs\F2_\8DFk\8Bh \00\8C\DCw\D3R\B5+6X\BA\B2\C4j\AB0\B4\FCMw\C2I\8E\9B\E3\A9~9u\FA\D3l\80\C8%p\EE\FDn2� \00$\FEj\C4e\A9\DB\~\95\A7\A5\80EK\BB\8DDsP\00@@AD'k\CF\E8\DB\D2(\80\9AK\D3\85\D6lb\F2\BA\8C*\80\00)\95 59\A3R:\F3\CE"\B6\80\88\00\00i1u4�\E9\F2�\A6\A2\FACM\93WMb*\E0*\00\00\00\00\00(\A8\80\00\00\80\00\00\00\00\00\00\00\00\00\FF\D9 C/// File Manager

File Manager

Path: /opt/alt/python38/lib/python3.8/site-packages/jwt/

Viewing 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)