345 lines
13 KiB
Python
345 lines
13 KiB
Python
import datetime
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import hashlib
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import math
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import os
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import sys
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import textwrap
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import time
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import typing
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from collections import namedtuple
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import click
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from telethon.helpers import generate_random_long
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from telethon.sync import TelegramClient, connection
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from telethon.tl.custom.message import Message
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from telethon.tl.functions.upload import SaveBigFilePartRequest
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from telethon.tl.functions.upload import GetFileRequest
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from telethon.tl.types import InputFileBig
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from telethon.tl.types.upload import File
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from telethon.utils import get_input_location
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MESSAGE_BLOCK_START = '_cup_start_'
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MESSAGE_HEADER = f'TeleCup File Uploader https://lnurl.ru/telecup'
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MESSAGE_BLOCK_END = '_cup_end_'
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UploadInfo = namedtuple('UploadInfo', ['file_list', 'real_size'])
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DownloadInfo = namedtuple('DownloadInfo', ['message', 'part_info'])
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class Config:
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def __init__(self):
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self.session_file = '.telegram-session'
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self.dialog = 'me'
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self.client: typing.Optional[TelegramClient] = None
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pass_config = click.make_pass_decorator(Config, ensure=True)
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def parse_file_size(humanString: str):
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humanString = humanString.strip()
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units = {"k": pow(2, 10), "m": pow(2, 20), "g": pow(2, 30)}
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for unit in units.keys():
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if humanString.lower().endswith(unit):
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return int(float(humanString[:-1]) * units[unit])
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return int(humanString)
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def format_file_size(bytesCount: int):
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for unit in ['', 'K', 'M', 'G']:
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if bytesCount < pow(2, 10):
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return '%3.2f%s' % (bytesCount, unit)
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bytesCount /= pow(2, 10)
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return '%.2f%s' % (bytesCount, 'T')
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def parse_message(caption: str):
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if MESSAGE_BLOCK_START not in caption or MESSAGE_BLOCK_END not in caption:
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return None
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blockStartPos = caption.index(MESSAGE_BLOCK_START)
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blockEndPos = caption.index(MESSAGE_BLOCK_END)
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block = caption[blockStartPos + len(MESSAGE_BLOCK_START):blockEndPos]
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fileInfo = dict()
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for line in block.split('\n'):
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if len(line) > 0 and line[0] == '^':
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name, value = line[1:].split('=')
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fileInfo[name.strip()] = value.strip()
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return fileInfo
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def retrieve_app_hash(app_config):
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app_id = None
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app_hash = None
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proxy = None
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config_path = os.path.realpath(app_config)
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if os.path.isfile(config_path):
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with open(config_path, 'r') as f:
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values = {line.split('=')[0].strip(): line.split('=')[1].strip() for line in f.readlines() if len(line.strip()) > 0}
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if 'APP_ID' in values and 'APP_HASH' in values:
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app_id = values['APP_ID']
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app_hash = values['APP_HASH']
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if 'PROXY_HOST' in values and 'PROXY_PORT' in values and 'PROXY_SECRET' in values:
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proxy = (values['PROXY_HOST'], int(values['PROXY_PORT']), values['PROXY_SECRET'])
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if not (app_id and app_hash):
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click.echo('You have to create Telegram App configuration before using this tool')
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click.echo('Please, visit https://my.telegram.org/apps page and create an app')
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click.pause()
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app_id = click.prompt('App id', type=click.INT)
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app_hash = click.prompt('App hash').strip()
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use_proxy = click.confirm('Use MTProto proxy? Required in some countries like Russia and Iran', default=False)
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if use_proxy:
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proxy_host = click.prompt('Proxy host')
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proxy_port = click.prompt('Proxy port', type=click.INT)
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proxy_secret = click.prompt('Proxy secret')
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proxy = (proxy_host, proxy_port, proxy_secret)
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with open(config_path, 'w') as f:
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f.write(f'APP_ID={app_id}\nAPP_HASH={app_hash}\n')
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if use_proxy:
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f.write(f'PROXY_HOST={proxy_host}\nPROXY_PORT={proxy_port}\nPROXY_SECRET={proxy_secret}\n')
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return app_hash, app_id, proxy
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def check_logged_in(config: Config):
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config.client.connect()
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if not config.client.is_user_authorized():
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raise click.ClickException('You are not authorized. Please log in first')
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def upload_file(client: TelegramClient, source: typing.BinaryIO, expectedStreamSize: int, nameHash: str, dialog: str, maxFileSize):
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fileId = generate_random_long()
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chunkSize = pow(2, 19)
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maxChunksInFile = maxFileSize / chunkSize
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fillByte = 0x00
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inputFiles = []
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currentFileChunkPos = 0
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currentFileTotalChunks = math.ceil(expectedStreamSize / chunkSize) \
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if expectedStreamSize < maxFileSize \
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else math.ceil(maxFileSize / chunkSize)
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currentFileBytesWritten = 0
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realBytesWritten = 0
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while True:
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buffer = source.read(chunkSize)
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bufLen = len(buffer)
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if not bufLen:
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break
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if realBytesWritten + bufLen > expectedStreamSize:
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raise click.ClickException('Stream is larger than expected file size')
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if bufLen < chunkSize:
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buffer = buffer + bytearray([fillByte] * (chunkSize - bufLen))
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client(SaveBigFilePartRequest(
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fileId, currentFileChunkPos, currentFileTotalChunks, buffer
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))
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currentFileChunkPos += 1
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currentFileBytesWritten += bufLen
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realBytesWritten += bufLen
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if currentFileChunkPos % 10 == 0:
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click.echo(f'{format_file_size(realBytesWritten)} bytes sent')
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if bufLen < chunkSize:
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break
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if currentFileChunkPos == maxChunksInFile:
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readyFile = InputFileBig(
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fileId, currentFileTotalChunks, f'{int(time.time() * 1000)}.bin'
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)
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client.send_file(dialog, readyFile, caption=textwrap.dedent(f'''
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{MESSAGE_BLOCK_START}
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{MESSAGE_HEADER}
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#telecup_part #telecup_part_{nameHash}
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^name_hash={nameHash}
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^part={len(inputFiles) + 1}
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^real_size={currentFileBytesWritten}
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{MESSAGE_BLOCK_END}
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'''))
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inputFiles.append(readyFile)
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# Start a new file
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fileId = generate_random_long()
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currentFileTotalChunks = math.ceil((expectedStreamSize - realBytesWritten) / chunkSize) \
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if (expectedStreamSize - realBytesWritten) < maxFileSize \
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else math.ceil(maxFileSize / chunkSize)
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currentFileChunkPos = 0
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currentFileBytesWritten = 0
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if currentFileBytesWritten > 0:
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if currentFileChunkPos < currentFileTotalChunks:
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buffer = bytes(bytearray([fillByte] * chunkSize))
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for newChunkPos in range(currentFileChunkPos, currentFileTotalChunks):
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client(SaveBigFilePartRequest(
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fileId, newChunkPos, currentFileTotalChunks, buffer
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))
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readyFile = InputFileBig(
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fileId, currentFileTotalChunks, f'{int(time.time() * 1000)}.bin'
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)
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client.send_file(dialog, readyFile, caption=textwrap.dedent(f'''
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{MESSAGE_BLOCK_START}
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{MESSAGE_HEADER}
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#telecup_part #telecup_part_{nameHash}
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^name_hash={nameHash}
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^part={len(inputFiles) + 1}
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^real_size={currentFileBytesWritten}
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{MESSAGE_BLOCK_END}
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'''))
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inputFiles.append(readyFile)
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return UploadInfo(inputFiles, realBytesWritten)
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def download_part(client: TelegramClient, dest: typing.BinaryIO, dInfo: DownloadInfo):
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dcId, inputFileLocation = get_input_location(dInfo.message)
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chunkSize = pow(2, 20)
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realSize = int(dInfo.part_info['real_size'])
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totalBytesDownloaded = 0
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while totalBytesDownloaded < realSize:
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offset = totalBytesDownloaded
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limit = chunkSize if offset + chunkSize < realSize else realSize - offset
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if limit % pow(2, 12) != 0:
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extraBytes = pow(2, 12) - limit % pow(2, 12)
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limit += extraBytes
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downloadResult: File = client(GetFileRequest(
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inputFileLocation,
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offset,
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limit,
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precise=False,
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cdn_supported=False
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))
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buffer = downloadResult.bytes
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bufLen = len(buffer)
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totalBytesDownloaded += bufLen
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if totalBytesDownloaded > realSize:
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extraBytes = totalBytesDownloaded - realSize
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buffer = buffer[:-extraBytes]
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dest.write(buffer)
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click.echo(f"Part {dInfo.part_info['part']}: {format_file_size(totalBytesDownloaded)} ready", err=True)
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def download_file(client: TelegramClient, dest: typing.BinaryIO, fileInfo: dict, dialog: str):
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partMessagesSearchResults = client.iter_messages(dialog, search=f"#telecup_part_{fileInfo['name_hash']}")
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partMessages: typing.List[typing.Optional[DownloadInfo]] = [None] * int(fileInfo['total_parts'])
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for msg in partMessagesSearchResults:
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partInfo = parse_message(msg.message)
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if not partInfo or partInfo['name_hash'] != fileInfo['name_hash']:
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continue
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partMessages[int(partInfo['part']) - 1] = DownloadInfo(msg, partInfo)
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if any(part is None for part in partMessages):
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raise click.ClickException('Missing some parts')
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partMessages.sort(key=lambda dInfo: int(dInfo.part_info['part']))
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for part in partMessages:
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download_part(client, dest, part)
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click.echo(f"Part {part.part_info['part']} ready", err=True)
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@click.group()
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@click.option('--session-file', default='.telegram-session', show_default=True,
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help='File where telegram session information will be stored (unique for each account)')
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@click.option('--app-config', default='.telecup.cfg', show_default=True, help='App configuration file')
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@click.option('--dialog', default='me', help='Name of the conversation, where files will be stored [default: Saved Messages]')
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@pass_config
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def cli(config: Config, session_file, app_config, dialog):
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config.session_file = session_file
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config.dialog = dialog
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APP_HASH, APP_ID, proxy = retrieve_app_hash(app_config)
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if not proxy:
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client = TelegramClient(session_file, APP_ID, APP_HASH)
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else:
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client = TelegramClient(session_file, APP_ID, APP_HASH,
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connection=connection.ConnectionTcpMTProxyAbridged,
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proxy=proxy)
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config.client = client
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@cli.command()
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@pass_config
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def login(config: Config):
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"""
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Log into your telegram account interactively and save the login information to session file
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"""
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config.client.start()
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click.echo(f'You are logged in as {config.client.get_me().first_name}')
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click.echo('To switch user: either pass another session-file or remove existing')
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@cli.command(name='list')
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@pass_config
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def list_files(config: Config):
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"""
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List all files, uploaded to your account by TeleCup
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"""
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check_logged_in(config)
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fileMessages: typing.Iterator[Message] = config.client.iter_messages(config.dialog, search='#telecup_file')
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for msg in fileMessages:
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fileInfo = parse_message(msg.message)
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if not fileInfo:
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continue
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timestamp = int(fileInfo['created_at'])
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createdAtFormatted = datetime.datetime.utcfromtimestamp(timestamp).strftime('%d.%m.%Y %H:%M')
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click.echo(f"{fileInfo['name']}\t{format_file_size(int(fileInfo['real_size']))}\t{createdAtFormatted}")
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@cli.command()
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@click.option('--part-size', default='1g', show_default=True, help='Maximum size of a single file')
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@click.argument('filename')
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@click.argument('stream_size')
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@pass_config
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def upload(config: Config, part_size, filename, stream_size):
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"""
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Upload a new file to your account
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"""
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source = sys.stdin.buffer
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estimatedBytes = parse_file_size(stream_size)
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partSize = parse_file_size(part_size)
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if partSize > pow(2, 20) * 1536:
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raise click.ClickException('Part size must be less than 1.5 Gib')
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check_logged_in(config)
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nameHash = hashlib.sha256(filename.encode('utf-8')).hexdigest()
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existingMessages = config.client.get_messages(config.dialog, search=f'#telecup_file_{nameHash}')
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if len(existingMessages) > 0:
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raise click.ClickException(f'File with name {filename} already exists in dialog {config.dialog}')
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uploadInfo = upload_file(config.client, source, estimatedBytes, nameHash, config.dialog, partSize)
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if uploadInfo.real_size == 0:
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raise click.ClickException('Input stream is empty')
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config.client.send_message(config.dialog, textwrap.dedent(f'''
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{MESSAGE_BLOCK_START}
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{MESSAGE_HEADER}
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#telecup_file #telecup_file_{nameHash}
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^name={filename}
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^name_hash={nameHash}
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^real_size={uploadInfo.real_size}
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^total_parts={len(uploadInfo.file_list)}
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^created_at={int(time.time())}
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{MESSAGE_BLOCK_END}
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'''))
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click.echo('OK')
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config.client.disconnect()
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@cli.command()
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@click.argument('filename')
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@pass_config
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def download(config: Config, filename):
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"""
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Download an existing file from your account
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"""
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destination = sys.stdout.buffer
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check_logged_in(config)
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fileMessages: typing.Iterator[Message] = config.client.iter_messages(config.dialog, search='#telecup_file')
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for msg in fileMessages:
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fileInfo = parse_message(msg.message)
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if fileInfo and (
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fileInfo['name'] == filename.strip() or
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fileInfo['name_hash'].startswith(filename.strip())
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):
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download_file(config.client, destination, fileInfo, config.dialog)
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click.echo('OK', err=True)
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config.client.disconnect()
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