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Parse part of newer bot file IDs for photos

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Helps with #1613.
This commit is contained in:
Lonami Exo 2020-11-07 12:46:46 +01:00
parent 0d8497bf3b
commit e1d2c81dca
1 changed files with 8 additions and 3 deletions
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11
telethon/utils.py
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@ -1161,15 +1161,20 @@ def resolve_bot_file_id(file_id):
attributes=attributes,
file_reference=b''
)
elif (version == 2 and len(data) == 44) or (version == 4 and len(data) == 49):
elif (version == 2 and len(data) == 44) or (version == 4 and len(data) in (49, 77)):
if version == 2:
(file_type, dc_id, media_id, access_hash,
volume_id, secret, local_id) = struct.unpack('<iiqqqqi', data)
# elif version == 4:
else:
# else version == 4:
elif len(data) == 49:
# TODO Figure out what the extra five bytes mean
(file_type, dc_id, media_id, access_hash,
volume_id, secret, local_id, _) = struct.unpack('<iiqqqqi5s', data)
elif len(data) == 77:
# See #1613.
(file_type, dc_id, _, media_id, access_hash, volume_id, _, local_id, _) = struct.unpack('<ii28sqqq12sib', data)
else:
return None
if not (1 <= dc_id <= 5):
return None