utils.py 文件源码

def key_state(key, gpg):
    if not key:
        return None, "invalid"
    results = gpg.import_keys(key).results
    # Key data is present in the last element of the list
    if not results or not results[-1]["fingerprint"]:
        return None, "invalid"

    key_fingerprint = results[-1]["fingerprint"]

    # Since the keyring is exclusive for this import
    # only the imported key exists in it.
    key = gpg.list_keys()[0]
    exp_timestamp = int(key["expires"]) if key["expires"] else 0
    expires = datetime.fromtimestamp(exp_timestamp, timezone.utc)

    if key["trust"] == "r":
        state = "revoked"
    elif exp_timestamp and expires < timezone.now():
        state = "expired"
    else:
        state = "valid"

    return key_fingerprint, state