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Add a warning when trying to connect to a different account

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Closes #1172, and also fixed a typo.
This commit is contained in:
Lonami Exo 2020-08-08 17:47:58 +02:00
parent 958698bba7
commit ddeefff431
2 changed files with 25 additions and 2 deletions
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25
telethon/client/auth.py
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@ -3,6 +3,7 @@ import inspect
import os
import sys
import typing
import warnings
from .. import utils, helpers, errors, password as pwd_mod
from ..tl import types, functions, custom
@ -138,7 +139,29 @@ class AuthMethods:
if not self.is_connected():
await self.connect()
if await self.is_user_authorized():
# Rather than using `is_user_authorized`, use `get_me`. While this is
# more expensive and needs to retrieve more data from the server, it
# enables the library to warn users trying to login to a different
# account. See #1172.
me = await self.get_me()
if me is not None:
# The warnings here are on a best-effort and may fail.
if bot_token:
# bot_token's first part has the bot ID, but it may be invalid
# so don't try to parse as int (instead cast our ID to string).
if bot_token[:bot_token.find(':')] != str(me.id):
warnings.warn(
'the session already had an authorized user so it did '
'not login to the bot account using the provided '
'bot_token (it may not be using the user you expect)'
)
elif not callable(phone) and phone != me.phone:
warnings.warn(
'the session already had an authorized user so it did '
'not login to the user account using the provided '
'phone (it may not be using the user you expect)'
)
return self
if not bot_token:

2
telethon/client/downloads.py
View File

@ -562,7 +562,7 @@ class DownloadMethods:
# Streaming `media` to an output file
# After the iteration ends, the sender is cleaned up
with open('photo.jpg', 'wb') as fd:
async for chunk client.iter_download(media):
async for chunk in client.iter_download(media):
fd.write(chunk)
# Fetching only the header of a file (32 bytes)