mirror of
https://github.com/LonamiWebs/Telethon.git
synced 2024-09-21 11:18:50 +03:00
645 lines
22 KiB
Python
645 lines
22 KiB
Python
import getpass
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import inspect
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import os
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import sys
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import typing
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from .. import utils, helpers, errors, password as pwd_mod
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from ..tl import types, functions
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if typing.TYPE_CHECKING:
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from .telegramclient import TelegramClient
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class AuthMethods:
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# region Public methods
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def start(
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self: 'TelegramClient',
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phone: typing.Callable[[], str] = lambda: input('Please enter your phone (or bot token): '),
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password: typing.Callable[[], str] = lambda: getpass.getpass('Please enter your password: '),
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*,
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bot_token: str = None,
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force_sms: bool = False,
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code_callback: typing.Callable[[], typing.Union[str, int]] = None,
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first_name: str = 'New User',
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last_name: str = '',
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max_attempts: int = 3) -> 'TelegramClient':
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"""
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Starts the client (connects and logs in if necessary).
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By default, this method will be interactive (asking for
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user input if needed), and will handle 2FA if enabled too.
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If the phone doesn't belong to an existing account (and will hence
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`sign_up` for a new one), **you are agreeing to Telegram's
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Terms of Service. This is required and your account
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will be banned otherwise.** See https://telegram.org/tos
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and https://core.telegram.org/api/terms.
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If the event loop is already running, this method returns a
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coroutine that you should await on your own code; otherwise
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the loop is ran until said coroutine completes.
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Arguments
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phone (`str` | `int` | `callable`):
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The phone (or callable without arguments to get it)
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to which the code will be sent. If a bot-token-like
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string is given, it will be used as such instead.
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The argument may be a coroutine.
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password (`str`, `callable`, optional):
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The password for 2 Factor Authentication (2FA).
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This is only required if it is enabled in your account.
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The argument may be a coroutine.
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bot_token (`str`):
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Bot Token obtained by `@BotFather <https://t.me/BotFather>`_
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to log in as a bot. Cannot be specified with ``phone`` (only
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one of either allowed).
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force_sms (`bool`, optional):
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Whether to force sending the code request as SMS.
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This only makes sense when signing in with a `phone`.
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code_callback (`callable`, optional):
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A callable that will be used to retrieve the Telegram
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login code. Defaults to `input()`.
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The argument may be a coroutine.
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first_name (`str`, optional):
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The first name to be used if signing up. This has no
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effect if the account already exists and you sign in.
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last_name (`str`, optional):
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Similar to the first name, but for the last. Optional.
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max_attempts (`int`, optional):
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How many times the code/password callback should be
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retried or switching between signing in and signing up.
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Returns
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This `TelegramClient`, so initialization
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can be chained with ``.start()``.
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Example
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.. code-block:: python
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client = TelegramClient('anon', api_id, api_hash)
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# Starting as a bot account
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await client.start(bot_token=bot_token)
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# Starting as an user account
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await client.start(phone)
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# Please enter the code you received: 12345
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# Please enter your password: *******
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# (You are now logged in)
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# Starting using a context manager (this calls start()):
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with client:
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pass
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"""
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if code_callback is None:
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def code_callback():
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return input('Please enter the code you received: ')
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elif not callable(code_callback):
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raise ValueError(
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'The code_callback parameter needs to be a callable '
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'function that returns the code you received by Telegram.'
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)
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if not phone and not bot_token:
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raise ValueError('No phone number or bot token provided.')
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if phone and bot_token and not callable(phone):
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raise ValueError('Both a phone and a bot token provided, '
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'must only provide one of either')
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coro = self._start(
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phone=phone,
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password=password,
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bot_token=bot_token,
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force_sms=force_sms,
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code_callback=code_callback,
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first_name=first_name,
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last_name=last_name,
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max_attempts=max_attempts
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)
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return (
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coro if self.loop.is_running()
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else self.loop.run_until_complete(coro)
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)
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async def _start(
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self: 'TelegramClient', phone, password, bot_token, force_sms,
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code_callback, first_name, last_name, max_attempts):
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if not self.is_connected():
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await self.connect()
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if await self.is_user_authorized():
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return self
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if not bot_token:
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# Turn the callable into a valid phone number (or bot token)
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while callable(phone):
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value = phone()
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if inspect.isawaitable(value):
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value = await value
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if ':' in value:
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# Bot tokens have 'user_id:access_hash' format
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bot_token = value
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break
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phone = utils.parse_phone(value) or phone
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if bot_token:
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await self.sign_in(bot_token=bot_token)
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return self
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me = None
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attempts = 0
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two_step_detected = False
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await self.send_code_request(phone, force_sms=force_sms)
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sign_up = False # assume login
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while attempts < max_attempts:
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try:
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value = code_callback()
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if inspect.isawaitable(value):
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value = await value
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# Since sign-in with no code works (it sends the code)
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# we must double-check that here. Else we'll assume we
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# logged in, and it will return None as the User.
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if not value:
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raise errors.PhoneCodeEmptyError(request=None)
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if sign_up:
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me = await self.sign_up(value, first_name, last_name)
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else:
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# Raises SessionPasswordNeededError if 2FA enabled
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me = await self.sign_in(phone, code=value)
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break
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except errors.SessionPasswordNeededError:
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two_step_detected = True
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break
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except errors.PhoneNumberOccupiedError:
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sign_up = False
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except errors.PhoneNumberUnoccupiedError:
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sign_up = True
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except (errors.PhoneCodeEmptyError,
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errors.PhoneCodeExpiredError,
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errors.PhoneCodeHashEmptyError,
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errors.PhoneCodeInvalidError):
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print('Invalid code. Please try again.', file=sys.stderr)
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attempts += 1
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else:
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raise RuntimeError(
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'{} consecutive sign-in attempts failed. Aborting'
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.format(max_attempts)
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)
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if two_step_detected:
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if not password:
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raise ValueError(
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"Two-step verification is enabled for this account. "
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"Please provide the 'password' argument to 'start()'."
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)
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if callable(password):
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for _ in range(max_attempts):
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try:
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value = password()
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if inspect.isawaitable(value):
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value = await value
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me = await self.sign_in(phone=phone, password=value)
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break
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except errors.PasswordHashInvalidError:
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print('Invalid password. Please try again',
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file=sys.stderr)
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else:
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raise errors.PasswordHashInvalidError(request=None)
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else:
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me = await self.sign_in(phone=phone, password=password)
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# We won't reach here if any step failed (exit by exception)
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signed, name = 'Signed in successfully as', utils.get_display_name(me)
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try:
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print(signed, name)
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except UnicodeEncodeError:
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# Some terminals don't support certain characters
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print(signed, name.encode('utf-8', errors='ignore')
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.decode('ascii', errors='ignore'))
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return self
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def _parse_phone_and_hash(self, phone, phone_hash):
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"""
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Helper method to both parse and validate phone and its hash.
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"""
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phone = utils.parse_phone(phone) or self._phone
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if not phone:
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raise ValueError(
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'Please make sure to call send_code_request first.'
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)
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phone_hash = phone_hash or self._phone_code_hash.get(phone, None)
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if not phone_hash:
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raise ValueError('You also need to provide a phone_code_hash.')
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return phone, phone_hash
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async def sign_in(
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self: 'TelegramClient',
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phone: str = None,
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code: typing.Union[str, int] = None,
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*,
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password: str = None,
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bot_token: str = None,
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phone_code_hash: str = None) -> 'typing.Union[types.User, types.auth.SentCode]':
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"""
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Logs in to Telegram to an existing user or bot account.
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You should only use this if you are not authorized yet.
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This method will send the code if it's not provided.
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.. note::
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In most cases, you should simply use `start()` and not this method.
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Arguments
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phone (`str` | `int`):
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The phone to send the code to if no code was provided,
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or to override the phone that was previously used with
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these requests.
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code (`str` | `int`):
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The code that Telegram sent. Note that if you have sent this
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code through the application itself it will immediately
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expire. If you want to send the code, obfuscate it somehow.
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If you're not doing any of this you can ignore this note.
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password (`str`):
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2FA password, should be used if a previous call raised
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``SessionPasswordNeededError``.
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bot_token (`str`):
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Used to sign in as a bot. Not all requests will be available.
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This should be the hash the `@BotFather <https://t.me/BotFather>`_
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gave you.
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phone_code_hash (`str`, optional):
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The hash returned by `send_code_request`. This can be left as
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`None` to use the last hash known for the phone to be used.
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Returns
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The signed in user, or the information about
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:meth:`send_code_request`.
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Example
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.. code-block:: python
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phone = '+34 123 123 123'
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await client.sign_in(phone) # send code
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code = input('enter code: ')
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await client.sign_in(phone, code)
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"""
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me = await self.get_me()
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if me:
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return me
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if phone and not code and not password:
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return await self.send_code_request(phone)
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elif code:
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phone, phone_code_hash = \
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self._parse_phone_and_hash(phone, phone_code_hash)
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# May raise PhoneCodeEmptyError, PhoneCodeExpiredError,
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# PhoneCodeHashEmptyError or PhoneCodeInvalidError.
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request = functions.auth.SignInRequest(
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phone, phone_code_hash, str(code)
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)
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elif password:
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pwd = await self(functions.account.GetPasswordRequest())
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request = functions.auth.CheckPasswordRequest(
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pwd_mod.compute_check(pwd, password)
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)
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elif bot_token:
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request = functions.auth.ImportBotAuthorizationRequest(
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flags=0, bot_auth_token=bot_token,
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api_id=self.api_id, api_hash=self.api_hash
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)
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else:
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raise ValueError(
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'You must provide a phone and a code the first time, '
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'and a password only if an RPCError was raised before.'
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)
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result = await self(request)
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if isinstance(result, types.auth.AuthorizationSignUpRequired):
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# Emulate pre-layer 104 behaviour
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self._tos = result.terms_of_service
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raise errors.PhoneNumberUnoccupiedError(request=request)
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return self._on_login(result.user)
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async def sign_up(
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self: 'TelegramClient',
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code: typing.Union[str, int],
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first_name: str,
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last_name: str = '',
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*,
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phone: str = None,
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phone_code_hash: str = None) -> 'types.User':
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"""
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Signs up to Telegram as a new user account.
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Use this if you don't have an account yet.
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You must call `send_code_request` first.
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**By using this method you're agreeing to Telegram's
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Terms of Service. This is required and your account
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will be banned otherwise.** See https://telegram.org/tos
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and https://core.telegram.org/api/terms.
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Arguments
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code (`str` | `int`):
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The code sent by Telegram
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first_name (`str`):
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The first name to be used by the new account.
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last_name (`str`, optional)
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Optional last name.
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phone (`str` | `int`, optional):
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The phone to sign up. This will be the last phone used by
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default (you normally don't need to set this).
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phone_code_hash (`str`, optional):
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The hash returned by `send_code_request`. This can be left as
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`None` to use the last hash known for the phone to be used.
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Returns
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The new created :tl:`User`.
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Example
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.. code-block:: python
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phone = '+34 123 123 123'
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await client.send_code_request(phone)
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code = input('enter code: ')
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await client.sign_up(code, first_name='Anna', last_name='Banana')
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"""
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me = await self.get_me()
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if me:
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return me
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if self._tos and self._tos.text:
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if self.parse_mode:
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t = self.parse_mode.unparse(self._tos.text, self._tos.entities)
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else:
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t = self._tos.text
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sys.stderr.write("{}\n".format(t))
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sys.stderr.flush()
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phone, phone_code_hash = \
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self._parse_phone_and_hash(phone, phone_code_hash)
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result = await self(functions.auth.SignUpRequest(
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phone_number=phone,
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phone_code_hash=phone_code_hash,
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first_name=first_name,
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last_name=last_name
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))
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if self._tos:
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await self(
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functions.help.AcceptTermsOfServiceRequest(self._tos.id))
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return self._on_login(result.user)
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def _on_login(self, user):
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"""
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Callback called whenever the login or sign up process completes.
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Returns the input user parameter.
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"""
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self._bot = bool(user.bot)
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self._self_input_peer = utils.get_input_peer(user, allow_self=False)
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self._authorized = True
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return user
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async def send_code_request(
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self: 'TelegramClient',
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phone: str,
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*,
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force_sms: bool = False) -> 'types.auth.SentCode':
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"""
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Sends the Telegram code needed to login to the given phone number.
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Arguments
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phone (`str` | `int`):
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The phone to which the code will be sent.
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force_sms (`bool`, optional):
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Whether to force sending as SMS.
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Returns
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An instance of :tl:`SentCode`.
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Example
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.. code-block:: python
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phone = '+34 123 123 123'
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sent = await client.send_code_request(phone)
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print(sent)
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"""
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result = None
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phone = utils.parse_phone(phone) or self._phone
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phone_hash = self._phone_code_hash.get(phone)
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if not phone_hash:
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try:
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result = await self(functions.auth.SendCodeRequest(
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phone, self.api_id, self.api_hash, types.CodeSettings()))
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except errors.AuthRestartError:
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return await self.send_code_request(phone, force_sms=force_sms)
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# If we already sent a SMS, do not resend the code (hash may be empty)
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if isinstance(result.type, types.auth.SentCodeTypeSms):
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force_sms = False
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# phone_code_hash may be empty, if it is, do not save it (#1283)
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if result.phone_code_hash:
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self._phone_code_hash[phone] = phone_hash = result.phone_code_hash
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else:
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force_sms = True
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self._phone = phone
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if force_sms:
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result = await self(
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functions.auth.ResendCodeRequest(phone, phone_hash))
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self._phone_code_hash[phone] = result.phone_code_hash
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return result
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async def log_out(self: 'TelegramClient') -> bool:
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"""
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Logs out Telegram and deletes the current ``*.session`` file.
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Returns
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`True` if the operation was successful.
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Example
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.. code-block:: python
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# Note: you will need to login again!
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await client.log_out()
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"""
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try:
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await self(functions.auth.LogOutRequest())
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except errors.RPCError:
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return False
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self._bot = None
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self._self_input_peer = None
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self._authorized = False
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self._state_cache.reset()
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await self.disconnect()
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self.session.delete()
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return True
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async def edit_2fa(
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self: 'TelegramClient',
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current_password: str = None,
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new_password: str = None,
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*,
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hint: str = '',
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email: str = None,
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email_code_callback: typing.Callable[[int], str] = None) -> bool:
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"""
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Changes the 2FA settings of the logged in user.
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Review carefully the parameter explanations before using this method.
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Note that this method may be *incredibly* slow depending on the
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prime numbers that must be used during the process to make sure
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that everything is safe.
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Has no effect if both current and new password are omitted.
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Arguments
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current_password (`str`, optional):
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The current password, to authorize changing to ``new_password``.
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Must be set if changing existing 2FA settings.
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Must **not** be set if 2FA is currently disabled.
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Passing this by itself will remove 2FA (if correct).
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new_password (`str`, optional):
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The password to set as 2FA.
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If 2FA was already enabled, ``current_password`` **must** be set.
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Leaving this blank or `None` will remove the password.
|
|
|
|
hint (`str`, optional):
|
|
Hint to be displayed by Telegram when it asks for 2FA.
|
|
Leaving unspecified is highly discouraged.
|
|
Has no effect if ``new_password`` is not set.
|
|
|
|
email (`str`, optional):
|
|
Recovery and verification email. If present, you must also
|
|
set `email_code_callback`, else it raises ``ValueError``.
|
|
|
|
email_code_callback (`callable`, optional):
|
|
If an email is provided, a callback that returns the code sent
|
|
to it must also be set. This callback may be asynchronous.
|
|
It should return a string with the code. The length of the
|
|
code will be passed to the callback as an input parameter.
|
|
|
|
If the callback returns an invalid code, it will raise
|
|
``CodeInvalidError``.
|
|
|
|
Returns
|
|
`True` if successful, `False` otherwise.
|
|
|
|
Example
|
|
.. code-block:: python
|
|
|
|
# Setting a password for your account which didn't have
|
|
await client.edit_2fa(new_password='I_<3_Telethon')
|
|
|
|
# Removing the password
|
|
await client.edit_2fa(current_password='I_<3_Telethon')
|
|
"""
|
|
if new_password is None and current_password is None:
|
|
return False
|
|
|
|
if email and not callable(email_code_callback):
|
|
raise ValueError('email present without email_code_callback')
|
|
|
|
pwd = await self(functions.account.GetPasswordRequest())
|
|
pwd.new_algo.salt1 += os.urandom(32)
|
|
assert isinstance(pwd, types.account.Password)
|
|
if not pwd.has_password and current_password:
|
|
current_password = None
|
|
|
|
if current_password:
|
|
password = pwd_mod.compute_check(pwd, current_password)
|
|
else:
|
|
password = types.InputCheckPasswordEmpty()
|
|
|
|
if new_password:
|
|
new_password_hash = pwd_mod.compute_digest(
|
|
pwd.new_algo, new_password)
|
|
else:
|
|
new_password_hash = b''
|
|
|
|
try:
|
|
await self(functions.account.UpdatePasswordSettingsRequest(
|
|
password=password,
|
|
new_settings=types.account.PasswordInputSettings(
|
|
new_algo=pwd.new_algo,
|
|
new_password_hash=new_password_hash,
|
|
hint=hint,
|
|
email=email,
|
|
new_secure_settings=None
|
|
)
|
|
))
|
|
except errors.EmailUnconfirmedError as e:
|
|
code = email_code_callback(e.code_length)
|
|
if inspect.isawaitable(code):
|
|
code = await code
|
|
|
|
code = str(code)
|
|
await self(functions.account.ConfirmPasswordEmailRequest(code))
|
|
|
|
return True
|
|
|
|
# endregion
|
|
|
|
# region with blocks
|
|
|
|
async def __aenter__(self):
|
|
return await self.start()
|
|
|
|
async def __aexit__(self, *args):
|
|
await self.disconnect()
|
|
|
|
__enter__ = helpers._sync_enter
|
|
__exit__ = helpers._sync_exit
|
|
|
|
# endregion
|