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telegram site auth
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# implementation of Telegram site authorization checking algorithm | |
# for more information https://core.telegram.org/widgets/login#checking-authorization | |
import collections | |
import hmac | |
import hashlib | |
def check_string(d, token): | |
secret = hashlib.sha256() | |
secret.update(token.encode('utf-8')) | |
sorted_params = collections.OrderedDict(sorted(d.items())) | |
param_hash = sorted_params.pop('hash') | |
msg = "\n".join(["{}={}".format(k, v) for k, v in sorted_params.items()]) | |
if param_hash == hmac.new(secret.digest(), msg.encode('utf-8'), digestmod=hashlib.sha256).hexdigest(): | |
return True | |
return False |
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