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https://github.com/python-telegram-bot/python-telegram-bot.git
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121 lines
4.8 KiB
Python
121 lines
4.8 KiB
Python
#!/usr/bin/env python
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#
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# A library that provides a Python interface to the Telegram Bot API
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# Copyright (C) 2015-2022
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# Leandro Toledo de Souza <devs@python-telegram-bot.org>
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#
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# This program is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser Public License as published by
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# the Free Software Foundation, either version 3 of the License, or
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# (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU Lesser Public License for more details.
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#
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# You should have received a copy of the GNU Lesser Public License
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# along with this program. If not, see [http://www.gnu.org/licenses/].
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"""Contains information about Telegram Passport data shared with the bot by the user."""
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from typing import TYPE_CHECKING, Any, List, Optional
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from telegram import EncryptedCredentials, EncryptedPassportElement, TelegramObject
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from telegram.utils.types import JSONDict
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if TYPE_CHECKING:
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from telegram import Bot, Credentials
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class PassportData(TelegramObject):
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"""Contains information about Telegram Passport data shared with the bot by the user.
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Note:
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To be able to decrypt this object, you must pass your ``private_key`` to either
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:class:`telegram.Updater` or :class:`telegram.Bot`. Decrypted data is then found in
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:attr:`decrypted_data` and the payload can be found in :attr:`decrypted_credentials`'s
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attribute :attr:`telegram.Credentials.payload`.
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Args:
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data (List[:class:`telegram.EncryptedPassportElement`]): Array with encrypted information
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about documents and other Telegram Passport elements that was shared with the bot.
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credentials (:class:`telegram.EncryptedCredentials`)): Encrypted credentials.
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bot (:class:`telegram.Bot`, optional): The Bot to use for instance methods.
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**kwargs (:obj:`dict`): Arbitrary keyword arguments.
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Attributes:
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data (List[:class:`telegram.EncryptedPassportElement`]): Array with encrypted information
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about documents and other Telegram Passport elements that was shared with the bot.
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credentials (:class:`telegram.EncryptedCredentials`): Encrypted credentials.
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bot (:class:`telegram.Bot`, optional): The Bot to use for instance methods.
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"""
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__slots__ = ('bot', 'credentials', 'data', '_decrypted_data', '_id_attrs')
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def __init__(
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self,
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data: List[EncryptedPassportElement],
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credentials: EncryptedCredentials,
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bot: 'Bot' = None,
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**_kwargs: Any,
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):
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self.data = data
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self.credentials = credentials
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self.bot = bot
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self._decrypted_data: Optional[List[EncryptedPassportElement]] = None
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self._id_attrs = tuple([x.type for x in data] + [credentials.hash])
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@classmethod
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def de_json(cls, data: Optional[JSONDict], bot: 'Bot') -> Optional['PassportData']:
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"""See :meth:`telegram.TelegramObject.de_json`."""
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data = cls._parse_data(data)
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if not data:
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return None
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data['data'] = EncryptedPassportElement.de_list(data.get('data'), bot)
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data['credentials'] = EncryptedCredentials.de_json(data.get('credentials'), bot)
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return cls(bot=bot, **data)
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def to_dict(self) -> JSONDict:
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"""See :meth:`telegram.TelegramObject.to_dict`."""
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data = super().to_dict()
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data['data'] = [e.to_dict() for e in self.data]
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return data
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@property
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def decrypted_data(self) -> List[EncryptedPassportElement]:
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"""
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List[:class:`telegram.EncryptedPassportElement`]: Lazily decrypt and return information
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about documents and other Telegram Passport elements which were shared with the bot.
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Raises:
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telegram.TelegramDecryptionError: Decryption failed. Usually due to bad
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private/public key but can also suggest malformed/tampered data.
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"""
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if self._decrypted_data is None:
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self._decrypted_data = [
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EncryptedPassportElement.de_json_decrypted(
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element.to_dict(), self.bot, self.decrypted_credentials
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)
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for element in self.data
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]
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return self._decrypted_data
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@property
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def decrypted_credentials(self) -> 'Credentials':
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"""
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:class:`telegram.Credentials`: Lazily decrypt and return credentials that were used
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to decrypt the data. This object also contains the user specified payload as
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`decrypted_data.payload`.
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Raises:
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telegram.TelegramDecryptionError: Decryption failed. Usually due to bad
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private/public key but can also suggest malformed/tampered data.
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"""
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return self.credentials.decrypted_data
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