app.py

import hashlib
import time
import re
import logging
from fastapi import FastAPI, Request, HTTPException
from fastapi.responses import FileResponse
import tempfile
import os
import requests

# Constants
BASE_URL = 'https://www.qobuz.com/api.json/0.2/'
TOKEN = 'yn-HVbPSnrnLazYtBbhTNCHpny-JcyE5LqrHkJnLiv047BJO2SxS_lmDVVN6UnqLv4EvA_5F-lHGY56hIgpfJg'
APP_ID = '579939560'

# Custom Headers
HEADERS = {
    'X-App-Id': APP_ID,
    'X-User-Auth-Token': TOKEN,
    'User-Agent': 'Mozilla/5.0 (Windows; U; Windows NT 5.1; en-US; rv:1.8.1.21) Gecko/20100312 Firefox/3.6'
}
app = FastAPI()

# Define a global temporary download directory
global_download_dir = tempfile.mkdtemp()
os.makedirs(global_download_dir, exist_ok=True)

BASE_URL = "https://tecuts-request.hf.space"

def md5(string):
    """Generate MD5 hash of a string."""
    return hashlib.md5(string.encode('utf-8')).hexdigest()

@app.get('/')
def main():
    return {"appStatus": "running"}

@app.post('/track')
async def fetch_data_for_url(request: Request):
    try:
        data = await request.json()
    except Exception as e:
        logging.error(f"Error parsing JSON: {e}")
        raise HTTPException(status_code=400, detail="Invalid JSON")
    
    url = data.get('url')
    if not url:
        raise HTTPException(status_code=400, detail="URL is required")

    print(f'Fetching data for: {url}')
    
    track_id_match = re.search(r'\d+$', url)
    if not track_id_match:
        print('Track ID not found in your input.')
        raise HTTPException(status_code=400, detail="Track ID not found in URL")
    
    track_id = track_id_match.group(0)
    timestamp = int(time.time())
    rSigRaw = f'trackgetFileUrlformat_id27intentstreamtrack_id{track_id}{timestamp}fa31fc13e7a28e7d70bb61e91aa9e178'
    rSig = md5(rSigRaw)
    
    download_url = f'{BASE_URL}track/getFileUrl?format_id=27&intent=stream&track_id={track_id}&request_ts={timestamp}&request_sig={rSig}'
    
    return {"download_url": download_url}