139 lines
4.6 KiB
Python
139 lines
4.6 KiB
Python
import asyncio
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import json
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import os
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import uvicorn
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from fastapi import FastAPI, status, Request
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from fastapi.middleware.cors import CORSMiddleware
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from fastapi.responses import Response, StreamingResponse
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from contextlib import asynccontextmanager
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from telethon import types, hints
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from pydantic import BaseModel
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import configParse
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from backend import apiutils
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from backend.TgFileSystemClientManager import TgFileSystemClientManager
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clients_mgr: TgFileSystemClientManager = None
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@asynccontextmanager
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async def lifespan(app: FastAPI):
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global clients_mgr
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param = configParse.get_TgToFileSystemParameter()
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clients_mgr = TgFileSystemClientManager(param)
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yield
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app = FastAPI(lifespan=lifespan)
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app.add_middleware(
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CORSMiddleware,
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allow_origins=["*"],
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allow_credentials=True,
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allow_methods=["*"],
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allow_headers=["*"],
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)
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@app.post("/tg/api/v1/file/login")
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@apiutils.atimeit
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async def login_new_tg_file_client():
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raise NotImplementedError
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class TgToFileListRequestBody(BaseModel):
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token: str
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search: str = ""
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chat_id: int = 0
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index: int = 0
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length: int = 10
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refresh: bool = False
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inner: bool = False
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@app.post("/tg/api/v1/file/list")
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@apiutils.atimeit
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async def get_tg_file_list(body: TgToFileListRequestBody):
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try:
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res = hints.TotalList()
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res_type = "chat"
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client = await clients_mgr.get_client_force(body.token)
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res_dict = {}
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if body.chat_id == 0:
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res = await client.get_dialogs(limit=body.length, offset=body.index, refresh=body.refresh)
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res_dict = [{"id": item.id, "is_channel": item.is_channel,
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"is_group": item.is_group, "is_user": item.is_user, "name": item.name, } for item in res]
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elif body.search != "":
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res = await client.get_messages_by_search(body.chat_id, search_word=body.search, limit=body.length, offset=body.index, inner_search=body.inner)
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res_type = "msg"
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res_dict = [json.loads(item.to_json()) for item in res]
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else:
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res = await client.get_messages(body.chat_id, limit=body.length, offset=body.index)
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res_type = "msg"
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res_dict = [json.loads(item.to_json()) for item in res]
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response_dict = {
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"client": json.loads(client.to_json()),
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"type": res_type,
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"length": len(res_dict),
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"list": res_dict,
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}
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return Response(json.dumps(response_dict), status_code=status.HTTP_200_OK)
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except Exception as err:
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print(f"{err=}")
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return Response(json.dumps({"detail": f"{err=}"}), status_code=status.HTTP_404_NOT_FOUND)
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@app.get("/tg/api/v1/file/msg")
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@apiutils.atimeit
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async def get_tg_file_media_stream(token: str, cid: int, mid: int, request: Request):
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msg_id = mid
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chat_id = cid
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headers = {
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# "content-type": "video/mp4",
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"accept-ranges": "bytes",
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"content-encoding": "identity",
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# "content-length": stream_file_size,
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"access-control-expose-headers": (
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"content-type, accept-ranges, content-length, "
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"content-range, content-encoding"
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),
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}
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range_header = request.headers.get("range")
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try:
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client = await clients_mgr.get_client_force(token)
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msg = await client.get_message(chat_id, msg_id)
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file_size = msg.media.document.size
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start = 0
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end = file_size - 1
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status_code = status.HTTP_200_OK
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mime_type = msg.media.document.mime_type
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headers["content-type"] = mime_type
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# headers["content-length"] = str(file_size)
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file_name = apiutils.get_message_media_name(msg)
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if file_name == "":
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maybe_file_type = mime_type.split("/")[-1]
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file_name = f"{chat_id}.{msg_id}.{maybe_file_type}"
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headers[
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"Content-Disposition"] = f'Content-Disposition: inline; filename="{file_name.encode("utf-8")}"'
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if range_header is not None:
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start, end = apiutils.get_range_header(range_header, file_size)
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size = end - start + 1
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# headers["content-length"] = str(size)
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headers["content-range"] = f"bytes {start}-{end}/{file_size}"
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status_code = status.HTTP_206_PARTIAL_CONTENT
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return StreamingResponse(
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client.streaming_get_iter(msg, start, end),
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headers=headers,
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status_code=status_code,
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)
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except Exception as err:
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print(f"{err=}")
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return Response(json.dumps({"detail": f"{err=}"}), status_code=status.HTTP_404_NOT_FOUND)
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if __name__ == "__main__":
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param = configParse.get_TgToFileSystemParameter()
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uvicorn.run(app, host="0.0.0.0", port=param.base.port)
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