91 lines
3.2 KiB
Python
91 lines
3.2 KiB
Python
"""Minimal HTTP entrypoint for the HLL Vietnam backend bootstrap."""
|
|
|
|
from __future__ import annotations
|
|
|
|
import json
|
|
from datetime import date, datetime
|
|
from http import HTTPStatus
|
|
from http.server import BaseHTTPRequestHandler, ThreadingHTTPServer
|
|
|
|
from .config import get_allowed_origins, get_bind_address
|
|
from .payloads import build_error_payload
|
|
from .routes import resolve_get_payload
|
|
|
|
|
|
class HealthHandler(BaseHTTPRequestHandler):
|
|
"""Serve the minimal routes required for the backend bootstrap."""
|
|
|
|
server_version = "HLLVietnamBackend/0.1"
|
|
|
|
def do_OPTIONS(self) -> None: # noqa: N802 - BaseHTTPRequestHandler interface
|
|
self.send_response(HTTPStatus.NO_CONTENT)
|
|
self._send_default_headers()
|
|
self.send_header("Access-Control-Allow-Methods", "GET, OPTIONS")
|
|
self.send_header("Access-Control-Allow-Headers", "Content-Type")
|
|
self.end_headers()
|
|
|
|
def do_GET(self) -> None: # noqa: N802 - BaseHTTPRequestHandler interface
|
|
try:
|
|
status, payload = resolve_get_payload(self.path)
|
|
except Exception: # noqa: BLE001 - preserve HTTP/CORS response on route failures
|
|
self._write_json(
|
|
HTTPStatus.INTERNAL_SERVER_ERROR,
|
|
build_error_payload("Unexpected backend error"),
|
|
)
|
|
return
|
|
|
|
if status is None:
|
|
self._write_json(
|
|
HTTPStatus.NOT_FOUND,
|
|
{"status": "error", "message": "Route not found"},
|
|
)
|
|
return
|
|
|
|
self._write_json(status, payload)
|
|
|
|
def log_message(self, format: str, *args: object) -> None:
|
|
# Keep local startup output clean unless future tasks need request logging.
|
|
return
|
|
|
|
def _write_json(self, status: HTTPStatus, payload: dict[str, object]) -> None:
|
|
body = json.dumps(payload, default=_json_default).encode("utf-8")
|
|
self.send_response(status)
|
|
self._send_default_headers(content_length=len(body))
|
|
self.end_headers()
|
|
self.wfile.write(body)
|
|
|
|
def _send_default_headers(self, content_length: int | None = None) -> None:
|
|
origin = self.headers.get("Origin")
|
|
if origin in get_allowed_origins():
|
|
self.send_header("Access-Control-Allow-Origin", origin)
|
|
self.send_header("Vary", "Origin")
|
|
|
|
self.send_header("Content-Type", "application/json; charset=utf-8")
|
|
if content_length is not None:
|
|
self.send_header("Content-Length", str(content_length))
|
|
|
|
|
|
def create_server() -> ThreadingHTTPServer:
|
|
"""Build the HTTP server using the package-supported handler and bind settings."""
|
|
host, port = get_bind_address()
|
|
return ThreadingHTTPServer((host, port), HealthHandler)
|
|
|
|
|
|
def _json_default(value: object) -> str:
|
|
"""Serialize PostgreSQL date/time values before they can abort an HTTP response."""
|
|
if isinstance(value, (date, datetime)):
|
|
return value.isoformat()
|
|
raise TypeError(f"Object of type {type(value).__name__} is not JSON serializable")
|
|
|
|
|
|
def run() -> None:
|
|
"""Start the local bootstrap server."""
|
|
host, port = get_bind_address()
|
|
server = create_server()
|
|
print(f"HLL Vietnam backend bootstrap listening on http://{host}:{port}")
|
|
server.serve_forever()
|
|
|
|
|
|
if __name__ == "__main__":
|
|
run()
|