Files
pu-saves/app.py

85 lines
2.5 KiB
Python

from flask import Flask, request, jsonify, send_from_directory, abort
from flask_cors import CORS
import bcrypt
import os
import re
app = Flask(__name__)
CORS(app, origins="*", allow_headers="*", methods=["GET", "POST", "DELETE", "OPTIONS"])
SAVES_DIR = os.environ.get("SAVES_DIR", "/saves")
os.makedirs(SAVES_DIR, exist_ok=True)
def safe_filename(name):
name = re.sub(r"[^\w\-. ]", "", name).strip()
if not name:
abort(400, "Invalid save name")
return name + ".puC"
def get_hash_path(name):
return os.path.join(SAVES_DIR, safe_filename(name).replace(".puC", ".hash"))
def check_password(name, req):
hash_path = get_hash_path(name)
if not os.path.exists(hash_path):
return # unprotected
client_hash = req.headers.get("X-Password-Hash", "")
if not client_hash:
abort(401, "Password required")
stored = open(hash_path, "rb").read()
if not bcrypt.checkpw(client_hash.encode(), stored):
abort(401, "Wrong password")
@app.route("/saves", methods=["GET"])
def list_saves():
saves = sorted(f[:-4] for f in os.listdir(SAVES_DIR) if f.endswith(".puC"))
protected = sorted(f[:-5] for f in os.listdir(SAVES_DIR) if f.endswith(".hash"))
return jsonify({"saves": saves, "protected": protected})
@app.route("/saves/<name>", methods=["GET"])
def get_save(name):
check_password(name, request)
filename = safe_filename(name)
path = os.path.join(SAVES_DIR, filename)
if not os.path.exists(path):
abort(404)
return send_from_directory(SAVES_DIR, filename, as_attachment=True)
@app.route("/saves/<name>", methods=["POST"])
def store_save(name):
filename = safe_filename(name)
data = request.get_data()
if not data:
abort(400, "No data")
with open(os.path.join(SAVES_DIR, filename), "wb") as f:
f.write(data)
ph = request.headers.get("X-Password-Hash", "")
if ph:
hashed = bcrypt.hashpw(ph.encode(), bcrypt.gensalt())
open(get_hash_path(name), "wb").write(hashed)
return jsonify({"ok": True, "name": name})
@app.route("/saves/<name>", methods=["DELETE"])
def delete_save(name):
check_password(name, request)
filename = safe_filename(name)
path = os.path.join(SAVES_DIR, filename)
if not os.path.exists(path):
abort(404)
os.remove(path)
hash_path = get_hash_path(name)
if os.path.exists(hash_path):
os.remove(hash_path)
return jsonify({"ok": True})
if __name__ == "__main__":
app.run(host="0.0.0.0", port=5000)