OpenSMN/berretin.py
2025-11-07 19:45:52 +00:00

108 lines
3.0 KiB
Python

import os
import hashlib
import json
import requests
import subprocess
from datetime import datetime, timedelta
from flask import Flask, jsonify, Response, request
BASE_API = "https://ws1.smn.gob.ar"
CACHE_DIR = "json.api.cache"
CACHE_TTL = timedelta(minutes=30)
SMN_TOKEN_FILE = "token.txt"
ACCESS_TOKEN = "i.hate.smn"
app = Flask(__name__)
def get_cache_filename(url: str) -> str:
h = hashlib.sha256(url.encode()).hexdigest()
return os.path.join(CACHE_DIR, f"{h}.json")
def load_cache(url: str):
path = get_cache_filename(url)
if not os.path.exists(path):
return None
mtime = datetime.fromtimestamp(os.path.getmtime(path))
if datetime.now() - mtime > CACHE_TTL:
return None
with open(path, "r", encoding="utf-8") as f:
return json.load(f)
def save_cache(url: str, data: dict):
os.makedirs(CACHE_DIR, exist_ok=True)
path = get_cache_filename(url)
with open(path, "w", encoding="utf-8") as f:
json.dump(data, f, indent=2, ensure_ascii=False)
def load_smn_token():
with open(SMN_TOKEN_FILE, "r") as f:
return f.read().strip()
def refresh_smn_token():
print("[TOKEN] Refreshing SMN token...")
try:
result = subprocess.run(
["python3", "tokenext.py"], # cheap as fuck, fixing later
capture_output=True,
text=True,
timeout=60
)
if result.returncode == 0:
print("[TOKEN] Token refreshed successfully.")
else:
print("[TOKEN] Failed to refresh token:", result.stderr)
except Exception as e:
print("[TOKEN] Error running tokenext.py:", e)
def check_access_token():
header_token = request.headers.get("Authorization", "").strip()
return header_token == ACCESS_TOKEN
def fetch_from_smn(url: str, retry: bool = True):
token = load_smn_token()
headers = {
"Authorization": f"JWT {token}",
"Accept": "application/json",
"User-Agent": "Mozilla/5.0"
}
resp = requests.get(url, headers=headers)
if resp.status_code == 401 and retry:
print("[AUTH] SMN token expired, trying to refresh...")
refresh_smn_token()
return fetch_from_smn(url, retry=False)
return resp
@app.route("/smn/<path:subpath>")
def smn_proxy(subpath):
if not check_access_token():
return jsonify({"error": "Unauthorized"}), 401
url = f"{BASE_API}/{subpath}"
# Check cache
cached = load_cache(url)
if cached:
print(f"[CACHE] Loaded {subpath}")
return jsonify(cached)
print(f"[FETCH] {url}")
resp = fetch_from_smn(url)
if resp.status_code != 200:
return Response(
resp.text,
status=resp.status_code,
content_type=resp.headers.get("Content-Type", "text/plain")
)
data = resp.json()
save_cache(url, data)
return jsonify(data)
if __name__ == "__main__":
os.makedirs(CACHE_DIR, exist_ok=True)
app.run(host="0.0.0.0", port=6942, debug=False)