139 lines
4.0 KiB
Python
139 lines
4.0 KiB
Python
# Pyrogram - Telegram MTProto API Client Library for Python
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# Copyright (C) 2017-2018 Dan Tès <https://github.com/delivrance>
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#
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# This file is part of Pyrogram.
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#
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# Pyrogram is free software: you can redistribute it and/or modify
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# it under the terms of the GNU Lesser General Public License as published
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# by 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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# Pyrogram 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 General Public License for more details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with Pyrogram. If not, see <http://www.gnu.org/licenses/>.
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from base64 import b64decode, b64encode
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from struct import pack
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from pyrogram.api import types
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from pyrogram.client import types as pyrogram_types
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def get_peer_id(input_peer) -> int:
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return (
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input_peer.user_id if isinstance(input_peer, types.InputPeerUser)
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else -input_peer.chat_id if isinstance(input_peer, types.InputPeerChat)
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else int("-100" + str(input_peer.channel_id))
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)
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def get_input_peer(peer_id: int, access_hash: int):
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return (
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types.InputPeerUser(peer_id, access_hash) if peer_id > 0
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else types.InputPeerChannel(int(str(peer_id)[4:]), access_hash)
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if (str(peer_id).startswith("-100") and access_hash)
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else types.InputPeerChat(-peer_id)
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)
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def get_offset_date(dialogs):
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for m in reversed(dialogs.messages):
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if isinstance(m, types.MessageEmpty):
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continue
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else:
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return m.date
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else:
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return 0
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def parse_photos(photos):
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if isinstance(photos, types.photos.Photos):
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total_count = len(photos.photos)
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else:
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total_count = photos.count
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user_profile_photos = []
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for photo in photos.photos:
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if isinstance(photo, types.Photo):
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sizes = photo.sizes
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photo_sizes = []
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for size in sizes:
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if isinstance(size, (types.PhotoSize, types.PhotoCachedSize)):
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loc = size.location
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if isinstance(size, types.PhotoSize):
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file_size = size.size
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else:
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file_size = len(size.bytes)
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if isinstance(loc, types.FileLocation):
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photo_size = pyrogram_types.PhotoSize(
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file_id=encode(
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pack(
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"<iiqqqqi",
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2,
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loc.dc_id,
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photo.id,
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photo.access_hash,
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loc.volume_id,
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loc.secret,
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loc.local_id
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)
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),
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width=size.w,
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height=size.h,
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file_size=file_size,
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date=photo.date
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)
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photo_sizes.append(photo_size)
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user_profile_photos.append(photo_sizes)
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return pyrogram_types.UserProfilePhotos(
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total_count=total_count,
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photos=user_profile_photos
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)
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def decode(s: str) -> bytes:
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s = b64decode(s + "=" * (-len(s) % 4), "-_")
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r = b""
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assert s[-1] == 2
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i = 0
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while i < len(s) - 1:
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if s[i] != 0:
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r += bytes([s[i]])
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else:
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r += b"\x00" * s[i + 1]
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i += 1
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i += 1
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return r
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def encode(s: bytes) -> str:
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r = b""
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n = 0
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for i in s + bytes([2]):
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if i == 0:
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n += 1
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else:
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if n:
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r += b"\x00" + bytes([n])
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n = 0
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r += bytes([i])
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return b64encode(r, b"-_").decode().rstrip("=")
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