vvzvlad
835 lines
38 KiB
Python
835 lines
38 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# flake8: noqa
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# pylint: disable=broad-exception-raised, raise-missing-from, too-many-arguments, redefined-outer-name
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# pylint: disable=multiple-statements, logging-fstring-interpolation, trailing-whitespace, line-too-long
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# pylint: disable=broad-exception-caught, missing-function-docstring, missing-class-docstring
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# pylint: disable=f-string-without-interpolation
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# pylance: disable=reportMissingImports, reportMissingModuleSource
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import logging
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import os
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import mimetypes
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from typing import List, Union, Any
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import json
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from datetime import datetime
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import time
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from contextlib import asynccontextmanager
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import random
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import asyncio
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import uvloop
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asyncio.set_event_loop_policy(uvloop.EventLoopPolicy())
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from starlette.middleware.base import BaseHTTPMiddleware
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from starlette.background import BackgroundTask
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import json_repair
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import magic
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from pyrogram import errors
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from pyrogram.types import Message
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from fastapi import FastAPI, HTTPException, Response, Request
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from fastapi.responses import HTMLResponse, FileResponse
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from telegram_client import TelegramClient
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from config import get_settings
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from rss_generator import generate_channel_rss, generate_channel_html
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from post_parser import PostParser
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from url_signer import verify_media_digest, generate_media_digest
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# Define custom exception for zero-size files
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class ZeroSizeFileError(Exception):
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"""Custom exception for zero-size files found or downloaded."""
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class RequestLoggingMiddleware(BaseHTTPMiddleware):
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async def dispatch(self, request: Request, call_next):
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# Log request details
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logger.info(f"Request: {request.method} {request.url}")
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logger.info(f"Headers: {dict(request.headers)}")
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logger.info(f"Query params: {dict(request.query_params)}")
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try:
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response = await call_next(request)
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# Log response details
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logger.info(f"Response status: {response.status_code}")
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return response
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except Exception as e:
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logger.error(f"Request processing error: {str(e)}")
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raise
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logger = logging.getLogger(__name__)
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logger.setLevel(logging.INFO)
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if not logger.handlers:
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handler = logging.StreamHandler()
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handler.setFormatter(logging.Formatter('%(asctime)s - %(name)s - %(levelname)s - %(message)s'))
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logger.addHandler(handler)
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client = TelegramClient()
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Config = get_settings()
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@asynccontextmanager
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async def lifespan(_: FastAPI):
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base_cache_dir = os.path.abspath("./data/cache")
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os.makedirs(base_cache_dir, exist_ok=True) # Create cache directory
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await client.start()
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background_task = asyncio.create_task(cache_media_files()) # Start background task
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yield
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background_task.cancel() # Cleanup
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try:
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await background_task
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except asyncio.CancelledError:
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pass
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await client.stop()
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app = FastAPI(title="Pyrogram Bridge", lifespan=lifespan)
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app.add_middleware(RequestLoggingMiddleware)
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def mask_sensitive_value(input_str: str) -> str:
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"""Mask middle part of sensitive value, showing only first and last 4 characters"""
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if not input_str or len(input_str) < 8:
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return '***'
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visible_chars = 4
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return f"{input_str[:visible_chars]}{'*' * (len(input_str) - visible_chars * 2)}{input_str[-visible_chars:]}"
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if __name__ == "__main__":
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import uvicorn
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logger.info("Starting server with configuration:")
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for key, value in Config.items():
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if any(sensitive in key.lower() for sensitive in ['token', 'tg_api_id', 'tg_api_hash']):
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logger.info(f" {key}: {mask_sensitive_value(str(value))}")
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else:
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logger.info(f" {key}: {value}")
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# Log uvloop status
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logger.info(" uvloop: enabled (asyncio speedup active)")
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uvicorn.run(
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"api_server:app",
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host=Config["api_host"],
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port=Config["api_port"],
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reload=True,
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loop="uvloop"
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)
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async def find_file_id_in_message(message: Message, file_unique_id: str) -> Union[str, None]:
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"""Find file_id by checking all possible media types in message"""
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if message.media == "MessageMediaType.POLL":
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logger.debug(f"Message {message.id} is a poll, skipping media search")
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return None
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media_found = []
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if message.photo:
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media_found.append(f"photo ({message.photo.file_unique_id})")
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if message.photo.file_unique_id == file_unique_id:
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return message.photo.file_id
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if message.video:
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media_found.append(f"video ({message.video.file_unique_id})")
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if message.video.file_unique_id == file_unique_id:
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return message.video.file_id
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if message.animation:
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media_found.append(f"animation ({message.animation.file_unique_id})")
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if message.animation.file_unique_id == file_unique_id:
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return message.animation.file_id
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if message.video_note:
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media_found.append(f"video_note ({message.video_note.file_unique_id})")
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if message.video_note.file_unique_id == file_unique_id:
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return message.video_note.file_id
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if message.audio:
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media_found.append(f"audio ({message.audio.file_unique_id})")
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if message.audio.file_unique_id == file_unique_id:
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return message.audio.file_id
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if message.voice:
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media_found.append(f"voice ({message.voice.file_unique_id})")
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if message.voice.file_unique_id == file_unique_id:
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return message.voice.file_id
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if message.sticker:
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media_found.append(f"sticker ({message.sticker.file_unique_id})")
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if message.sticker.file_unique_id == file_unique_id:
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return message.sticker.file_id
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if message.web_page and message.web_page.photo:
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media_found.append(f"web_page.photo ({message.web_page.photo.file_unique_id})")
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if message.web_page.photo.file_unique_id == file_unique_id:
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return message.web_page.photo.file_id
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if message.document:
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media_found.append(f"document ({message.document.file_unique_id})")
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if message.document.file_unique_id == file_unique_id:
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return message.document.file_id
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# If we reached here, the file_unique_id was not found
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channel_id_log = message.chat.id if message.chat else 'unknown_chat'
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logger.warning(f"Could not find media with file_unique_id '{file_unique_id}' in message {message.id} (channel: {channel_id_log}). Found media: {', '.join(media_found) or 'None'}")
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return None
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def delayed_delete_file(file_path: str, delay: int = 300) -> None:
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"""
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Delete temporary file after a delay to ensure complete file delivery.
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Delay is set to 5 minutes by default.
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"""
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time.sleep(delay)
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try:
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os.remove(file_path)
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logger.info(f"Deleted temporary file {file_path} after delay of {delay} seconds")
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except Exception as e:
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logger.error(f"Failed to delete temporary file {file_path}: {str(e)}")
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async def prepare_file_response(file_path: str, delete_after: bool = False) -> FileResponse:
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"""Prepare file response with proper headers"""
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if not os.path.exists(file_path): raise HTTPException(status_code=404, detail="File not found")
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try:
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mime = magic.Magic(mime=True) # Try to determine MIME type using python-magic first
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media_type = mime.from_file(file_path)
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except Exception as e:
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logger.warning(f"Failed to determine MIME type using python-magic: {str(e)}")
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media_type = None
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if not media_type: media_type, _ = mimetypes.guess_type(file_path) # Fallback to mimetypes if python-magic failed
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if not media_type: media_type = "application/octet-stream" # Final fallback to octet-stream
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logger.debug(f"Determined media type for {os.path.basename(file_path)}: {media_type}")
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headers = {"Content-Disposition": f"inline; filename={os.path.basename(file_path)}"}
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if delete_after:
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return FileResponse(path=file_path, media_type=media_type, headers=headers, background=BackgroundTask(delayed_delete_file, file_path))
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else:
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return FileResponse(path=file_path, media_type=media_type, headers=headers)
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async def download_media_file(channel: Union[str, int], post_id: int, file_unique_id: str) -> tuple[Union[str, None], bool]:
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"""
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Download media file from Telegram and save to cache
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Returns tuple of (file path, delete_after)
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"""
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base_cache_dir = os.path.abspath("./data/cache")
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# Create nested cache structure
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channel_dir = os.path.join(base_cache_dir, str(channel))
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post_dir = os.path.join(channel_dir, str(post_id))
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os.makedirs(post_dir, exist_ok=True)
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# Convert numeric channel ID to int if needed
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channel_id: Union[str, int] = channel
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if isinstance(channel, str) and channel.startswith('-100'):
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channel_id = int(channel)
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message = await client.client.get_messages(channel_id, post_id)
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if message.media == "MessageMediaType.POLL":
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return None, False
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# Check if it is a video and if its size exceeds 100 MB
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is_large_video = False
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if message.video:
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try:
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if message.video.file_size > 100 * 1024 * 1024:
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is_large_video = True
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except Exception as e:
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logger.error(f"Failed to get video file size for message {post_id}: {str(e)}")
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if is_large_video:
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# For large video, download without permanent caching; use a temporary file
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temp_file_path = os.path.join(post_dir, f"temp_{file_unique_id}")
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if os.path.exists(temp_file_path):
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logger.info(f"Temporary file {temp_file_path} already exists, serving cached large video")
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return temp_file_path, False
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file_id = await find_file_id_in_message(message, file_unique_id)
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if not file_id:
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logger.error(f"Media with file_unique_id {file_unique_id} not found in message {post_id}")
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raise HTTPException(status_code=404, detail="File not found in message")
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logger.info(f"Downloading large video file {file_unique_id} to temporary path {temp_file_path}")
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file_path = await client.client.download_media(file_id, file_name=temp_file_path)
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logger.info(f"Downloaded large video file {file_unique_id} to temporary path {temp_file_path}")
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return file_path, False
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# Normal caching flow
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cache_path = os.path.join(post_dir, file_unique_id)
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if os.path.exists(cache_path):
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# Check if the cached file is zero size
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if os.path.getsize(cache_path) == 0:
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logger.warning(f"zero_size_cache_found: Found zero-size cached file: {cache_path}. Deleting and attempting redownload.")
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try:
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os.remove(cache_path)
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logger.info(f"Removed zero-size cached file: {cache_path}")
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except OSError as e:
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logger.error(f"cleanup_error: Failed to remove zero-size cached file {cache_path}: {e}")
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# Do not raise error here, proceed to download below
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else:
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# File exists and is not zero size, update timestamp and return
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logger.info(f"Found cached media file: {cache_path}")
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# Update access timestamp in media_file_ids.json
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file_ids_path = os.path.join(os.path.abspath("./data"), 'media_file_ids.json')
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try:
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if os.path.exists(file_ids_path):
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with open(file_ids_path, 'r', encoding='utf-8') as f:
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media_files = json.load(f)
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for file_data in media_files:
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if (file_data.get('channel') == str(channel) and # Ensure channel is string for comparison
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file_data.get('post_id') == post_id and
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file_data.get('file_unique_id') == file_unique_id):
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file_data['added'] = datetime.now().timestamp()
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break
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with open(file_ids_path, 'w', encoding='utf-8') as f:
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json.dump(media_files, f, ensure_ascii=False, indent=2)
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except Exception as e:
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logger.error(f"Failed to update timestamp for {channel}/{post_id}/{file_unique_id}: {str(e)}")
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return cache_path, False
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file_id = await find_file_id_in_message(message, file_unique_id)
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if not file_id:
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error_message = f"Media with file_unique_id {file_unique_id} not found in message {post_id} for channel {channel}"
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logger.error(error_message)
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# Attempt to remove the invalid entry from media_file_ids.json
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file_ids_path = os.path.join(os.path.abspath("./data"), 'media_file_ids.json')
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try:
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if os.path.exists(file_ids_path):
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with open(file_ids_path, 'r', encoding='utf-8') as f:
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media_files = json.load(f)
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initial_count = len(media_files)
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media_files_updated = [
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f_data for f_data in media_files
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if not (
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f_data.get('channel') == str(channel) and
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f_data.get('post_id') == post_id and
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f_data.get('file_unique_id') == file_unique_id
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)
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]
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if len(media_files_updated) < initial_count:
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with open(file_ids_path, 'w', encoding='utf-8') as f:
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json.dump(media_files_updated, f, ensure_ascii=False, indent=2)
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logger.info(f"Removed invalid entry for {channel}/{post_id}/{file_unique_id} from media_file_ids.json")
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else:
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logger.warning(f"Entry for {channel}/{post_id}/{file_unique_id} not found in media_file_ids.json for removal")
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except Exception as e:
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logger.error(f"Failed to remove entry for {channel}/{post_id}/{file_unique_id} from media_file_ids.json: {str(e)}")
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raise HTTPException(status_code=404, detail="File not found in message")
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file_path = await client.client.download_media(file_id, file_name=cache_path)
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# Check if the downloaded file exists and has a size greater than zero
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if not file_path or not os.path.exists(file_path) or os.path.getsize(file_path) == 0:
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logger.error(f"download_failed_zero_size: Downloaded file {file_unique_id} for {channel}/{post_id} is zero size or missing.")
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# Attempt to clean up the invalid file
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if file_path and os.path.exists(file_path):
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try:
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os.remove(file_path)
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logger.info(f"Removed zero-size file: {file_path}")
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except OSError as e:
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logger.error(f"cleanup_error: Failed to remove zero-size file {file_path}: {e}")
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# Raise an error to indicate download failure
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# Raise specific error
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raise ZeroSizeFileError(f"Downloaded file {file_unique_id} for {channel}/{post_id} is zero size or missing after download attempt.")
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logger.info(f"Downloaded media file {file_unique_id} to {cache_path}")
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return file_path, False
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async def remove_old_cached_files(media_files: list, cache_dir: str) -> tuple[list, int]:
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"""
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Remove files that haven't been accessed for more than 20 days
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Returns tuple of (updated media files list, number of removed files)
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"""
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current_time = datetime.now().timestamp()
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updated_media_files = []
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files_removed = 0
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for file_data in media_files:
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try:
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channel = file_data.get('channel')
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post_id = file_data.get('post_id')
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file_unique_id = file_data.get('file_unique_id')
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if not all([channel, post_id, file_unique_id]):
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continue
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last_access_time = file_data.get('added', 0)
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days_since_access = (current_time - last_access_time) / (24 * 3600)
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if days_since_access > 20:
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cache_path = os.path.join(cache_dir, str(channel), str(post_id), file_unique_id)
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if os.path.exists(cache_path):
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try:
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os.remove(cache_path)
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# try to remove empty parent directories
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post_dir = os.path.dirname(cache_path)
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channel_dir = os.path.dirname(post_dir)
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if not os.listdir(post_dir):
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os.rmdir(post_dir)
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if not os.listdir(channel_dir):
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os.rmdir(channel_dir)
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files_removed += 1
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logger.info(f"Removed old cached file: {cache_path}, last access {days_since_access:.1f} days ago")
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except Exception as e:
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logger.error(f"Failed to remove cached file {cache_path}: {str(e)}")
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updated_media_files.append(file_data)
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continue
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updated_media_files.append(file_data)
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except Exception as e:
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logger.error(f"Error processing cache entry {file_data}: {str(e)}")
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continue
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# Additionally, remove temporary files with prefix "temp_" if they are older than a threshold (1 hour)
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temp_threshold = 3600 # 1 hour in seconds
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for root, _, files in os.walk(cache_dir):
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for file in files:
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if file.startswith("temp_"):
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file_path = os.path.join(root, file)
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try:
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file_mod_time = os.path.getmtime(file_path)
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if time.time() - file_mod_time > temp_threshold:
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# Get channel/post/file_id from path
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rel_path = os.path.relpath(os.path.dirname(file_path), cache_dir)
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channel, post_id = rel_path.split(os.sep)
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file_unique_id = file[5:] # Remove 'temp_' prefix
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# Remove file
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os.remove(file_path)
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files_removed += 1
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logger.info(f"Removed temporary file: {file_path}")
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# Also remove entry from media_file_ids.json if exists
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updated_media_files = [
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f for f in updated_media_files
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if not (f.get('channel') == channel and
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f.get('post_id') == int(post_id) and
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f.get('file_unique_id') == file_unique_id)
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]
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except Exception as e:
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logger.error(f"Failed to remove temporary file {file_path}: {str(e)}")
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return updated_media_files, files_removed
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async def download_new_files(media_files: list, cache_dir: str) -> None:
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"""
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Download files that are not in cache yet
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"""
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if not media_files:
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logger.info("No media files found for download")
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return
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files_to_download = 0
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for file_data in media_files:
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try:
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channel = file_data.get('channel')
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post_id = file_data.get('post_id')
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file_unique_id = file_data.get('file_unique_id')
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if not all([channel, post_id, file_unique_id]):
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logger.error(f"Invalid file data: {file_data}")
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continue
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channel_dir = os.path.join(cache_dir, str(channel))
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post_dir = os.path.join(channel_dir, str(post_id))
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os.makedirs(post_dir, exist_ok=True)
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|
|
|
# Skip if temp file exists (large videos)
|
|
temp_path = os.path.join(post_dir, f"temp_{file_unique_id}")
|
|
if os.path.exists(temp_path):
|
|
continue
|
|
|
|
cache_path = os.path.join(post_dir, file_unique_id)
|
|
if not os.path.exists(cache_path):
|
|
files_to_download += 1
|
|
logger.debug(f"Background download started for {channel}/{post_id}/{file_unique_id}")
|
|
await download_media_file(channel, post_id, file_unique_id)
|
|
await asyncio.sleep(1) # Delay between downloads
|
|
|
|
except Exception as e:
|
|
logger.error(f"Background download failed for {channel}/{post_id}/{file_unique_id}: {str(e)}")
|
|
continue
|
|
|
|
if files_to_download == 0:
|
|
logger.info("All media files are already in cache")
|
|
|
|
|
|
def fix_corrupted_json(file_path: str) -> list:
|
|
"""
|
|
Attempt to fix corrupted JSON file using json-repair library
|
|
Returns list of valid entries
|
|
"""
|
|
try:
|
|
with open(file_path, 'r', encoding='utf-8') as f:
|
|
content = f.read()
|
|
|
|
# Try to repair and parse the JSON
|
|
fixed_data = json_repair.loads(content)
|
|
|
|
# Validate entries
|
|
valid_entries = []
|
|
if isinstance(fixed_data, list):
|
|
for entry in fixed_data:
|
|
if isinstance(entry, dict) and all(key in entry for key in ['channel', 'post_id', 'file_unique_id']):
|
|
valid_entries.append(entry)
|
|
|
|
logger.info(f"Fixed JSON file: {file_path}, found {len(valid_entries)} valid entries")
|
|
return valid_entries
|
|
|
|
except Exception as e:
|
|
logger.error(f"Failed to fix JSON file {file_path}: {str(e)}")
|
|
return []
|
|
|
|
async def cache_media_files() -> None:
|
|
"""Background task for cache management: removes old files and downloads new ones"""
|
|
delay = 60
|
|
while True:
|
|
try:
|
|
file_path = os.path.join(os.path.abspath("./data"), 'media_file_ids.json')
|
|
if not os.path.exists(file_path):
|
|
await asyncio.sleep(delay)
|
|
continue
|
|
|
|
try:
|
|
with open(file_path, 'r', encoding='utf-8') as f:
|
|
media_files = json.load(f)
|
|
except json.JSONDecodeError:
|
|
logger.error(f"JSON decode error in {file_path}, attempting to fix")
|
|
media_files = fix_corrupted_json(file_path)
|
|
if media_files:
|
|
with open(file_path, 'w', encoding='utf-8') as f:
|
|
json.dump(media_files, f, ensure_ascii=False, indent=2)
|
|
else:
|
|
logger.error("Failed to fix JSON file, skipping cache update")
|
|
await asyncio.sleep(delay)
|
|
continue
|
|
|
|
cache_dir = os.path.abspath("./data/cache")
|
|
updated_media_files, files_removed = await remove_old_cached_files(media_files, cache_dir)
|
|
|
|
if files_removed > 0:
|
|
try:
|
|
with open(file_path, 'w', encoding='utf-8') as f:
|
|
json.dump(updated_media_files, f, ensure_ascii=False, indent=2)
|
|
logger.info(f"Removed {files_removed} old files from cache")
|
|
except Exception as e:
|
|
logger.error(f"Failed to update media_file_ids.json: {str(e)}")
|
|
|
|
await download_new_files(updated_media_files, cache_dir)
|
|
await asyncio.sleep(delay) # Check every delay seconds
|
|
|
|
except Exception as e:
|
|
logger.error(f"Cache media files error: {str(e)}")
|
|
await asyncio.sleep(delay)
|
|
|
|
|
|
def calculate_cache_stats() -> dict[str, Any]:
|
|
"""
|
|
Calculate cache statistics including file count, total size in MB, and time difference in days.
|
|
Returns a dictionary with keys: 'cache_files_count', 'cache_total_size_mb', 'cache_time_diff_days', 'channels'.
|
|
"""
|
|
base_cache_dir = os.path.abspath("./data/cache")
|
|
cache_files_count = 0
|
|
cache_total_size_bytes = 0
|
|
channels_stats = {}
|
|
|
|
if os.path.isdir(base_cache_dir):
|
|
# Recursively walk through all subdirectories
|
|
for root, _, files in os.walk(base_cache_dir):
|
|
for current_file in files:
|
|
file_path = os.path.join(root, current_file)
|
|
file_size = os.path.getsize(file_path)
|
|
cache_files_count += 1
|
|
cache_total_size_bytes += file_size
|
|
|
|
# Calculate per-channel statistics
|
|
rel_path = os.path.relpath(root, base_cache_dir)
|
|
channel = rel_path.split(os.sep, maxsplit=1)[0] # First directory is channel
|
|
|
|
if channel not in channels_stats:
|
|
channels_stats[channel] = {
|
|
'files_count': 0,
|
|
'size_mb': 0.0
|
|
}
|
|
|
|
channels_stats[channel]['files_count'] += 1
|
|
channels_stats[channel]['size_mb'] = round(
|
|
channels_stats[channel]['size_mb'] + (file_size / (1024 * 1024)), 2
|
|
)
|
|
|
|
cache_total_size_mb = round(cache_total_size_bytes / (1024 * 1024), 2) # rounded size in MB
|
|
else:
|
|
cache_files_count = 0
|
|
cache_total_size_mb = 0
|
|
|
|
media_file_ids_path = os.path.join(os.path.abspath("./data"), "media_file_ids.json")
|
|
cache_times = []
|
|
if os.path.exists(media_file_ids_path):
|
|
try:
|
|
with open(media_file_ids_path, "r", encoding="utf-8") as json_file:
|
|
media_files = json.load(json_file)
|
|
for entry in media_files:
|
|
if "added" in entry:
|
|
cache_times.append(entry["added"])
|
|
except Exception as e:
|
|
logger.error(f"Error reading media_file_ids.json: {str(e)}")
|
|
if cache_times:
|
|
cache_time_diff_seconds = max(cache_times) - min(cache_times)
|
|
cache_time_diff_days = round(cache_time_diff_seconds / 86400, 2) # rounded to two decimals
|
|
else:
|
|
cache_time_diff_days = 0
|
|
|
|
return {
|
|
"cache_files_count": cache_files_count,
|
|
"cache_total_size_mb": cache_total_size_mb,
|
|
"cache_time_diff_days": cache_time_diff_days,
|
|
"channels": channels_stats
|
|
}
|
|
|
|
def is_local_request(request: Union[Request, None]) -> bool:
|
|
local_hosts = ["127.0.0.1", "localhost"]
|
|
if request and request.client and request.client.host:
|
|
if request.client.host in local_hosts:
|
|
return True
|
|
return False
|
|
|
|
@app.get("/html/{channel}/{post_id}", response_class=HTMLResponse)
|
|
@app.get("/post/html/{channel}/{post_id}", response_class=HTMLResponse)
|
|
@app.get("/html/{channel}/{post_id}/{token}", response_class=HTMLResponse)
|
|
@app.get("/post/html/{channel}/{post_id}/{token}", response_class=HTMLResponse)
|
|
async def get_post_html(channel: str, post_id: int, request: Request, token: str | None = None, debug: bool = False) -> HTMLResponse:
|
|
if Config["token"] and is_local_request(request):
|
|
if token != Config["token"]:
|
|
logger.error(f"Invalid token for HTML post: {token}, expected: {Config['token']}")
|
|
raise HTTPException(status_code=403, detail="Invalid token")
|
|
else:
|
|
logger.info(f"Valid token for HTML post: {token}")
|
|
|
|
try:
|
|
parser = PostParser(client.client)
|
|
html_content = await parser.get_post(channel, post_id, 'html', debug)
|
|
if not html_content:
|
|
raise HTTPException(status_code=404, detail="Post not found")
|
|
return HTMLResponse(content=html_content)
|
|
except Exception as e:
|
|
error_message = f"Failed to get HTML post for channel {channel}, post_id {post_id}: {str(e)}"
|
|
logger.error(error_message)
|
|
raise HTTPException(status_code=500, detail=error_message) from e
|
|
|
|
|
|
@app.get("/json/{channel}/{post_id}")
|
|
@app.get("/post/json/{channel}/{post_id}")
|
|
@app.get("/json/{channel}/{post_id}/{token}")
|
|
@app.get("/post/json/{channel}/{post_id}/{token}")
|
|
async def get_post(channel: str, post_id: int, request: Request, token: str | None = None, debug: bool = False) -> Response:
|
|
if Config["token"] and is_local_request(request):
|
|
if token != Config["token"]:
|
|
logger.error(f"Invalid token for JSON post: {token}, expected: {Config['token']}")
|
|
raise HTTPException(status_code=403, detail="Invalid token")
|
|
else:
|
|
logger.info(f"Valid token for JSON post: {token}")
|
|
|
|
try:
|
|
parser = PostParser(client.client)
|
|
json_content = await parser.get_post(channel, post_id, 'json', debug)
|
|
if not json_content:
|
|
raise HTTPException(status_code=404, detail="Post not found")
|
|
return Response(content=json_content, media_type="application/json")
|
|
except Exception as e:
|
|
error_message = f"Failed to get JSON post for channel {channel}, post_id {post_id}: {str(e)}"
|
|
logger.error(error_message)
|
|
raise HTTPException(status_code=500, detail=error_message) from e
|
|
|
|
|
|
@app.get("/raw_json/{channel}/{post_id}")
|
|
@app.get("/raw_json/{channel}/{post_id}/{token}")
|
|
async def get_raw_post_json(channel: str, post_id: int, request: Request, token: str | None = None) -> Response:
|
|
if Config["token"] and is_local_request(request):
|
|
if token != Config["token"]:
|
|
logger.error(f"Invalid token for raw JSON post: {token}, expected: {Config['token']}")
|
|
raise HTTPException(status_code=403, detail="Invalid token")
|
|
else:
|
|
logger.info(f"Valid token for raw JSON post: {token}")
|
|
|
|
try:
|
|
# Convert numeric channel ID to int if needed
|
|
channel_id: Union[str, int] = channel
|
|
if isinstance(channel, str) and channel.startswith('-100'):
|
|
channel_id = int(channel)
|
|
|
|
message = await client.client.get_messages(channel_id, post_id)
|
|
if not message:
|
|
raise HTTPException(status_code=404, detail="Post not found")
|
|
|
|
# Return message as plain text using Pyrogram's built-in string representation
|
|
return Response(content=str(message), media_type="text/plain")
|
|
except Exception as e:
|
|
error_message = f"Failed to get raw JSON post for channel {channel}, post_id {post_id}: {str(e)}"
|
|
logger.error(error_message)
|
|
raise HTTPException(status_code=500, detail=error_message) from e
|
|
|
|
|
|
@app.get("/health")
|
|
@app.get("/health/{token}")
|
|
async def health_check(request: Request, token: str | None = None) -> Response:
|
|
if Config["token"] and is_local_request(request):
|
|
if token != Config["token"]:
|
|
logger.error(f"Invalid token for health check: {token}, expected: {Config['token']}")
|
|
raise HTTPException(status_code=403, detail="Invalid token")
|
|
else:
|
|
logger.info(f"Valid token for health check: {token}")
|
|
|
|
try:
|
|
me = await client.client.get_me()
|
|
|
|
cache_stats = calculate_cache_stats()
|
|
|
|
config_info = {}
|
|
for config_key, config_value in Config.items():
|
|
if any(sensitive in config_key.lower() for sensitive in ['token', 'tg_api_id', 'tg_api_hash']):
|
|
config_info[config_key] = mask_sensitive_value(str(config_value)) if config_value else None
|
|
else:
|
|
config_info[config_key] = config_value
|
|
|
|
data = {
|
|
"status": "ok",
|
|
"tg_connected": client.client.is_connected,
|
|
"tg_name": me.username,
|
|
"tg_id": me.id,
|
|
"tg_phone": me.phone_number,
|
|
"tg_first_name": me.first_name,
|
|
"tg_last_name": me.last_name,
|
|
"config": config_info,
|
|
**cache_stats
|
|
}
|
|
return Response(content=json.dumps(data), media_type="application/json")
|
|
except Exception as e:
|
|
error_message = f"Failed to get health check: {str(e)}"
|
|
logger.error(error_message)
|
|
raise HTTPException(status_code=500, detail=error_message) from e
|
|
|
|
@app.get("/media/{channel}/{post_id}/{file_unique_id}/{digest}", response_model=None)
|
|
@app.get("/media/{channel}/{post_id}/{file_unique_id}", response_model=None)
|
|
async def get_media(channel: str, post_id: int, file_unique_id: str, digest: str | None = None) -> FileResponse|Response:
|
|
try:
|
|
url = f"{channel}/{post_id}/{file_unique_id}"
|
|
if not verify_media_digest(url, digest):
|
|
expected_digest = generate_media_digest(url)
|
|
logger.error(f"Invalid digest for media {url}: {digest}, expected: {expected_digest}")
|
|
raise HTTPException(status_code=403, detail="Invalid URL signature")
|
|
else:
|
|
logger.info(f"Valid digest for media {url}: {digest}")
|
|
|
|
# Convert numeric channel ID to int if needed
|
|
channel_id: Union[str, int] = channel
|
|
if isinstance(channel, str) and channel.startswith('-100'):
|
|
channel_id = int(channel)
|
|
|
|
try: # Wrap the download and prepare call
|
|
file_path, delete_after = await download_media_file(channel_id, post_id, file_unique_id)
|
|
if not file_path:
|
|
raise HTTPException(status_code=404, detail="File not found")
|
|
if file_path:
|
|
return await prepare_file_response(file_path, delete_after=delete_after)
|
|
except ZeroSizeFileError as e: # Catch zero-size file errors
|
|
logger.warning(f"zero_size_file_encountered: {str(e)}. Instructing client to retry.")
|
|
return Response(
|
|
status_code=503, # Service Unavailable
|
|
content="File processing resulted in zero size, please try again in 10 seconds.",
|
|
headers={"Retry-After": "10"}
|
|
)
|
|
|
|
except HTTPException:
|
|
raise
|
|
except errors.RPCError as e:
|
|
logger.error(f"Media request RPC error for {channel}/{post_id}/{file_unique_id}: {type(e).__name__} - {str(e)}")
|
|
raise HTTPException(status_code=404, detail="File not found in Telegram") from e
|
|
except ZeroSizeFileError as e: # Catch zero-size file errors FROM DOWNLOAD
|
|
error_message = f"Failed to obtain valid media file for {channel}/{post_id}/{file_unique_id} after download attempt: {str(e)}"
|
|
logger.error(error_message)
|
|
raise HTTPException(status_code=500, detail=error_message) from e
|
|
except Exception as e:
|
|
error_message = f"Failed to get media for {channel}/{post_id}/{file_unique_id}: {str(e)}"
|
|
logger.error(error_message)
|
|
raise HTTPException(status_code=500, detail=error_message) from e
|
|
|
|
# If the code reaches here, something is wrong with the logic above.
|
|
# This part should theoretically be unreachable.
|
|
logger.error(f"get_media reached unexpected state for {channel}/{post_id}/{file_unique_id}")
|
|
raise HTTPException(status_code=500, detail="Internal server error: Unexpected state reached in media handling.")
|
|
|
|
@app.get("/rss/{channel}", response_class=Response)
|
|
@app.get("/rss/{channel}/{token}", response_class=Response)
|
|
async def get_rss_feed(channel: str,
|
|
request: Request,
|
|
token: str | None = None,
|
|
limit: int = 50,
|
|
output_type: str = 'rss',
|
|
exclude_flags: str | None = None,
|
|
exclude_text: str | None = None,
|
|
merge_seconds: int = 5,
|
|
) -> Response:
|
|
if Config["token"] and is_local_request(request):
|
|
if token != Config["token"]:
|
|
logger.error(f"invalid_token_error: token {token}, expected {Config['token']}")
|
|
raise HTTPException(status_code=403, detail="Invalid token")
|
|
while True:
|
|
try:
|
|
|
|
if output_type == 'rss':
|
|
rss_content = await generate_channel_rss(channel,
|
|
client=client.client,
|
|
limit=limit,
|
|
exclude_flags=exclude_flags,
|
|
exclude_text=exclude_text,
|
|
merge_seconds=merge_seconds)
|
|
return Response(content=rss_content, media_type="application/xml")
|
|
elif output_type == 'html':
|
|
rss_content = await generate_channel_html(channel,
|
|
client=client.client,
|
|
limit=limit,
|
|
exclude_flags=exclude_flags,
|
|
exclude_text=exclude_text,
|
|
merge_seconds=merge_seconds)
|
|
return Response(content=rss_content, media_type="text/html")
|
|
except ValueError as e:
|
|
error_message = f"invalid_parameters_error: {str(e)}"
|
|
logger.error(error_message)
|
|
raise HTTPException(status_code=400, detail=error_message) from e
|
|
except errors.FloodWait as e:
|
|
wait_time = e.value
|
|
random_additional_wait = random.uniform(0, wait_time * 2.5)
|
|
total_wait_time = wait_time + random_additional_wait
|
|
if total_wait_time > 190: total_wait_time = 190
|
|
|
|
logger.warning(f"flood_wait_error: channel {channel}, retry after {total_wait_time:.1f} seconds (base: {wait_time}s, random: {random_additional_wait:.1f}s)")
|
|
return Response(
|
|
status_code=429,
|
|
headers={"Retry-After": str(int(total_wait_time))},
|
|
content="Too many requests, please try again later"
|
|
)
|
|
except Exception as e:
|
|
error_message = f"rss_generation_error: channel {channel}, error {str(e)}"
|
|
logger.error(error_message)
|
|
raise HTTPException(status_code=500, detail=error_message) from e
|
|
|
|
@app.get("/flags", response_model=List[str])
|
|
@app.get("/flags/{token}", response_model=List[str])
|
|
async def get_available_flags(request: Request, token: str | None = None) -> Response:
|
|
"""Returns a list of all possible flags that can be assigned to posts."""
|
|
if Config["token"] and is_local_request(request):
|
|
if token != Config["token"]:
|
|
logger.error(f"Invalid token for flags endpoint: {token}, expected: {Config['token']}")
|
|
raise HTTPException(status_code=403, detail="Invalid token")
|
|
else:
|
|
logger.info(f"Valid token for flags endpoint: {token}")
|
|
|
|
try:
|
|
flags = PostParser.get_all_possible_flags()
|
|
return Response(content=flags, media_type="text/plain")
|
|
except Exception as e:
|
|
error_message = f"Failed to get flags list: {str(e)}"
|
|
logger.error(error_message)
|
|
raise HTTPException(status_code=500, detail=error_message) from e
|