File: nonce.py

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python-authlib 1.6.1-1
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from django.core.cache import cache


def exists_nonce_in_cache(nonce, request, timeout):
    key_prefix = "nonce:"
    timestamp = request.timestamp
    client_id = request.client_id
    token = request.token
    key = f"{key_prefix}{nonce}-{timestamp}-{client_id}"
    if token:
        key = f"{key}-{token}"

    rv = bool(cache.get(key))
    cache.set(key, 1, timeout=timeout)
    return rv