Files
q-buffer/bin/wscraper-service/server.py

135 lines
4.7 KiB
Python

from __future__ import annotations
import base64
import json
import os
import sys
from http import HTTPStatus
from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
from pathlib import Path
from urllib.parse import urlparse
REPO_ROOT = Path(__file__).resolve().parents[2]
WSCRAPER_SRC = REPO_ROOT / "bin" / "wscraper" / "src"
if str(WSCRAPER_SRC) not in sys.path:
sys.path.insert(0, str(WSCRAPER_SRC))
from wscraper.registry import get_tracker, list_trackers, normalize_tracker
HOST = os.environ.get("WSCRAPER_SERVICE_HOST", "0.0.0.0")
PORT = int(os.environ.get("WSCRAPER_SERVICE_PORT", "8787"))
TOKEN = os.environ.get("WSCRAPER_SERVICE_TOKEN", "")
def json_response(handler: BaseHTTPRequestHandler, status: int, payload: dict) -> None:
body = json.dumps(payload, ensure_ascii=False).encode("utf-8")
handler.send_response(status)
handler.send_header("Content-Type", "application/json; charset=utf-8")
handler.send_header("Content-Length", str(len(body)))
handler.end_headers()
handler.wfile.write(body)
def parse_json_body(handler: BaseHTTPRequestHandler) -> dict:
length = int(handler.headers.get("Content-Length", "0"))
raw = handler.rfile.read(length) if length > 0 else b"{}"
return json.loads(raw.decode("utf-8"))
def require_auth(handler: BaseHTTPRequestHandler) -> bool:
if not TOKEN:
return True
auth_header = handler.headers.get("Authorization", "")
if auth_header == f"Bearer {TOKEN}":
return True
json_response(handler, HTTPStatus.UNAUTHORIZED, {"error": "Unauthorized"})
return False
def normalize_payload(payload: dict) -> tuple[str, str, dict, str | None]:
tracker_key = normalize_tracker(str(payload.get("tracker", "")))
cookie = str(payload.get("cookie", "")).strip()
if not cookie:
raise ValueError("Cookie is required")
item = payload.get("item")
if item is None:
item = {}
if not isinstance(item, dict):
raise ValueError("Item payload must be an object")
wishlist_url = payload.get("wishlistUrl")
if wishlist_url is not None:
wishlist_url = str(wishlist_url).strip() or None
return tracker_key, cookie, item, wishlist_url
class Handler(BaseHTTPRequestHandler):
server_version = "wscraper-service/2.0"
def do_GET(self) -> None: # noqa: N802
parsed = urlparse(self.path)
if parsed.path == "/health":
if not require_auth(self):
return
json_response(self, HTTPStatus.OK, {"ok": True, "service": "wscraper-service"})
return
if parsed.path == "/trackers":
if not require_auth(self):
return
json_response(
self,
HTTPStatus.OK,
{"items": [{"key": tracker.key, "label": tracker.label} for tracker in list_trackers()]},
)
return
json_response(self, HTTPStatus.NOT_FOUND, {"error": "Not found"})
def do_POST(self) -> None: # noqa: N802
if not require_auth(self):
return
parsed = urlparse(self.path)
try:
payload = parse_json_body(self)
tracker_key, cookie, item, wishlist_url = normalize_payload(payload)
tracker = get_tracker(tracker_key)
if parsed.path == "/bookmarks":
items = tracker.get_bookmarks(cookie, wishlist_url=wishlist_url)
json_response(self, HTTPStatus.OK, {"tracker": tracker_key, "items": items})
return
if parsed.path == "/download":
result = tracker.download_torrent(cookie, item, wishlist_url=wishlist_url)
json_response(
self,
HTTPStatus.OK,
{
"tracker": tracker_key,
"filename": result["filename"],
"contentBase64": base64.b64encode(result["data"]).decode("ascii"),
},
)
return
if parsed.path == "/remove-bookmark":
tracker.remove_bookmark(cookie, item, wishlist_url=wishlist_url)
json_response(self, HTTPStatus.OK, {"tracker": tracker_key, "ok": True})
return
json_response(self, HTTPStatus.NOT_FOUND, {"error": "Not found"})
except Exception as error: # noqa: BLE001
json_response(self, HTTPStatus.BAD_REQUEST, {"error": str(error)})
def log_message(self, fmt: str, *args) -> None:
print(f"[wscraper-service] {self.address_string()} - {fmt % args}")
def main() -> None:
server = ThreadingHTTPServer((HOST, PORT), Handler)
print(f"wscraper-service listening on http://{HOST}:{PORT}")
server.serve_forever()
if __name__ == "__main__":
main()