generate different, pseudo-random subdomains every week
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parent
d2d4917a53
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@ -14,17 +14,24 @@ def right_now():
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return datetime.now(timezone.utc)
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return datetime.now(timezone.utc)
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def nonsense_consistent(domain):
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def nonsense_consistent(domain, weekly=True):
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from datetime import datetime, timezone
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from random import Random
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from random import Random
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from string import ascii_lowercase
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from string import ascii_lowercase
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from zlib import crc32
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from zlib import crc32
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rng = Random(crc32(domain.encode("utf-8")))
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if weekly:
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week = datetime.now(timezone.utc).isocalendar().week
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week_bytes = bytes((week, week, week, week))
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seed = crc32(week_bytes + domain.encode("utf-8"))
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else:
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seed = crc32(domain.encode("utf-8"))
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rng = Random(seed)
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length = rng.choices((9, 10, 11, 12), (4, 5, 3, 2))[0]
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length = rng.choices((9, 10, 11, 12), (4, 5, 3, 2))[0]
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return "".join(rng.choice(ascii_lowercase) for i in range(length))
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return "".join(rng.choice(ascii_lowercase) for i in range(length))
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def concat_nonsense(domain):
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def concat_nonsense(domain, weekly=True):
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return nonsense_consistent(domain) + "." + domain
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return nonsense_consistent(domain, weekly=weekly) + "." + domain
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def head(n, it):
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def head(n, it):
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