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#Filestream/server/Functions/Downloader
import os
import time
import math
import logging
import asyncio
import traceback
from aiohttp import web
from pyrogram import raw
from aiohttp.http_exceptions import BadStatusLine
#---------------------Local Upload---------------------#
from FileStream.config import Telegram
from FileStream import utils, StartTime, __version__
from FileStream.Tools import mime_identifier, Time_ISTKolNow
from FileStream.bot import req_client, FileStream
from FileStream.bot import MULTI_CLIENTS, WORK_LOADS, ACTIVE_CLIENTS
from FileStream.server.exceptions import FIleNotFound, InvalidHash
from FileStream.server.render_template import render_page, render_upload
from FileStream.utils.FileProcessors.custom_ul import TeleUploader
async def media_streamer(request: web.Request, db_id: str, speed:str):
range_header = request.headers.get("Range", 0)
index = min(WORK_LOADS, key=WORK_LOADS.get)
faster_client = MULTI_CLIENTS[index]
#client = await req_client()
if Telegram.MULTI_CLIENT:
logging.info(f"Client {client['index']} is now serving {request.headers.get('X-FORWARDED-FOR',request.remote)}")
if faster_client in ACTIVE_CLIENTS:
tg_connect = ACTIVE_CLIENTS[faster_client]
logging.debug(f"Using cached ByteStreamer object for client {client['index']}")
else:
logging.debug(f"Creating new ByteStreamer object for client {client['index']}")
tg_connect = utils.ByteStreamer(faster_client)
ACTIVE_CLIENTS[faster_client] = tg_connect
logging.debug("before calling get_file_properties")
file_id = await tg_connect.get_file_properties(db_id, MULTI_CLIENTS)
logging.debug("after calling get_file_properties")
file_size = file_id.file_size
if range_header:
from_bytes, until_bytes = range_header.replace("bytes=", "").split("-")
from_bytes = int(from_bytes)
until_bytes = int(until_bytes) if until_bytes else file_size - 1
else:
from_bytes = request.http_range.start or 0
until_bytes = (request.http_range.stop or file_size) - 1
if (until_bytes > file_size) or (from_bytes < 0) or (until_bytes < from_bytes):
return web.Response(
status=416,
body="416: Range not satisfiable",
headers={"Content-Range": f"bytes */{file_size}"},
)
chunk_size = 4 * 1024 * 1024 if speed == "FAST" else 512 * 1024
until_bytes = min(until_bytes, file_size - 1)
offset = from_bytes - (from_bytes % chunk_size)
first_part_cut = from_bytes - offset
last_part_cut = until_bytes % chunk_size + 1
req_length = until_bytes - from_bytes + 1
part_count = math.ceil(until_bytes / chunk_size) - math.floor(offset / chunk_size)
body = tg_connect.yield_file(file_id, index, offset, first_part_cut,last_part_cut, part_count, chunk_size)
mime_type = file_id.mime_type
file_name = utils.get_name(file_id)
disposition = "attachment"
if not mime_type:
mime_type = mimetypes.guess_type(file_name)[0] or "application/octet-stream"
# if "video/" in mime_type or "audio/" in mime_type:
# disposition = "inline"
return web.Response(
status=206 if range_header else 200,
body=body,
headers={
"Content-Type": f"{mime_type}",
"Content-Range": f"bytes {from_bytes}-{until_bytes}/{file_size}",
"Content-Length": str(req_length),
"Content-Disposition": f'{disposition}; filename="{file_name}"',
"Accept-Ranges": "bytes",
},
) |