32 lines
959 B
Python
32 lines
959 B
Python
import time
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from typing import Optional
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from .api_jwk import PyJWKSet, PyJWTSetWithTimestamp
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class JWKSetCache:
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def __init__(self, lifespan: int) -> None:
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self.jwk_set_with_timestamp: Optional[PyJWTSetWithTimestamp] = None
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self.lifespan = lifespan
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def put(self, jwk_set: PyJWKSet) -> None:
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if jwk_set is not None:
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self.jwk_set_with_timestamp = PyJWTSetWithTimestamp(jwk_set)
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else:
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# clear cache
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self.jwk_set_with_timestamp = None
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def get(self) -> Optional[PyJWKSet]:
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if self.jwk_set_with_timestamp is None or self.is_expired():
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return None
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return self.jwk_set_with_timestamp.get_jwk_set()
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def is_expired(self) -> bool:
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return (
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self.jwk_set_with_timestamp is not None
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and self.lifespan > -1
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and time.monotonic()
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> self.jwk_set_with_timestamp.get_timestamp() + self.lifespan
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)
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