charles_token_bruteforce.py

import base64
import itertools

from datetime import datetime, timezone


TOKEN_EPOCH = 1293840000
CRYPTO_PART_LEN = 27  # seem to be constant

CHARLES_ID = 505532526257766411

# https://discordapp.com/channels/336642139381301249/381963689470984203/741631031508992063
shuffled_token = "1.zu.xueDXj_YATUTT4IDqTykNNX2KmhNN2NUKMxjzhkiATwv18XkLE3qMU"

id_part = base64.b64encode(str(CHARLES_ID).encode()).decode()

shuffled_token = shuffled_token.replace(".", "")


for c in id_part:
    shuffled_token = shuffled_token.replace(c, "", 1)

print(f"Remaining entropy: {shuffled_token}")

min_date = datetime(2018, 1, 1).replace(tzinfo=timezone.utc).timestamp()
max_date = datetime(2020, 8, 8).replace(tzinfo=timezone.utc).timestamp()

date_permutations = itertools.combinations(
    shuffled_token, len(shuffled_token) - CRYPTO_PART_LEN
)

with open("possible_tokens.txt", "a") as f:
    for i, date_part in enumerate(date_permutations):
        try:
            date = (
                int.from_bytes(base64.standard_b64decode(f"{date_part}=="), "big")
                + TOKEN_EPOCH
            )
            if not (min_date <= date <= max_date):
                continue
        except Exception:
            continue
        finally:
            if i % 100_000 == 0:
                crypto_part = shuffled_token
                for c in date_part:
                    crypto_part = crypto_part.replace(c, "", 1)

                print("loop", i, "".join(date_part), crypto_part)

        crypto_part = shuffled_token
        for c in date_part:
            crypto_part = crypto_part.replace(c, "", 1)

        f.write(f"{id_part}.{''.join(date_part)}.{crypto_part}\n")