Claude Opus 4.6
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#!/usr/bin/env python3
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"""Share — local file sharing server (HTTPS)."""
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import argparse
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import configparser
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import email.parser
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import http.server
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import json
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import mimetypes
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import socket
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import ssl
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import subprocess
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import threading
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import time
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import urllib.parse
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from datetime import datetime
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from pathlib import Path
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# ── Cleanup ──
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def cleanup_loop(upload_dir: Path, max_age: int):
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if max_age <= 0:
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return
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while True:
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time.sleep(3600)
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now = time.time()
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try:
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for f in upload_dir.iterdir():
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if f.is_file() and now - f.stat().st_mtime > max_age:
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f.unlink()
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print(f" - expired: {f.name}")
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except Exception:
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pass
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# ── SSL ──
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def get_local_ip():
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try:
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s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
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s.connect(("8.8.8.8", 80))
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ip = s.getsockname()[0]
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s.close()
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return ip
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except Exception:
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return "127.0.0.1"
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def ensure_cert(cert_dir: Path, extra_ips: list[str] | None = None) -> tuple[Path, Path]:
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"""Generate self-signed cert if missing. Returns (certfile, keyfile)."""
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cert_dir.mkdir(parents=True, exist_ok=True)
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cert = cert_dir / "cert.pem"
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key = cert_dir / "key.pem"
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if cert.is_file() and key.is_file():
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return cert, key
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ips = {"127.0.0.1", get_local_ip()}
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if extra_ips:
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ips.update(extra_ips)
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san = ",".join([f"IP:{ip}" for ip in sorted(ips)] + ["DNS:localhost"])
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subprocess.run([
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"openssl", "req", "-x509", "-newkey", "rsa:2048",
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"-keyout", str(key), "-out", str(cert),
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"-days", "3650", "-nodes",
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"-subj", "/CN=Share",
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"-addext", f"subjectAltName={san}",
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], check=True, capture_output=True)
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print(f" Generated self-signed cert in {cert_dir}")
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return cert, key
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BASE_DIR = Path(__file__).resolve().parent
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# ── HTTP Handler ──
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class ShareServer(http.server.ThreadingHTTPServer):
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def __init__(self, addr, handler, *, upload_dir: Path, html: bytes, ssl_ctx: ssl.SSLContext | None = None):
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super().__init__(addr, handler)
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self.upload_dir = upload_dir
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self.html = html
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self.ssl_ctx = ssl_ctx
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def get_request(self):
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client, addr = self.socket.accept()
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if self.ssl_ctx:
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client.settimeout(5)
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try:
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client = self.ssl_ctx.wrap_socket(client, server_side=True)
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except (ssl.SSLError, OSError):
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client.close()
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raise
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client.settimeout(None)
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return client, addr
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class Handler(http.server.BaseHTTPRequestHandler):
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server: ShareServer
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def finish(self):
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try:
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super().finish()
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except (ssl.SSLError, BrokenPipeError, ConnectionResetError, OSError):
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pass
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def log_message(self, fmt, *args):
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print(f" [{datetime.now():%H:%M:%S}] {args[0]}")
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def _json(self, data):
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self._respond(json.dumps(data).encode(), "application/json")
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def _respond(self, data, ct):
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self.send_response(200)
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self.send_header("Content-Type", ct)
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self.send_header("Connection", "close")
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self.send_header("Access-Control-Allow-Origin", "*")
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self.end_headers()
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self.wfile.write(data if isinstance(data, bytes) else data.encode())
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# ── Routes ──
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ROUTES = {
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"GET": [
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("/", "_route_index"),
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("/index.html","_route_index"),
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("/files", "_route_files"),
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("/dl/", "_route_download"),
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],
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"POST": [("/upload", "_route_upload")],
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"DELETE": [("/del/", "_route_delete")],
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}
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def _dispatch(self):
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for prefix, method in self.ROUTES.get(self.command, []):
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if self.path == prefix or (len(prefix) > 1 and prefix.endswith("/") and self.path.startswith(prefix)):
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return getattr(self, method)()
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self.send_error(404)
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do_GET = do_POST = do_DELETE = _dispatch
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def _route_index(self):
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self._respond(self.server.html, "text/html; charset=utf-8")
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def _route_files(self):
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files = []
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for p in sorted(self.server.upload_dir.iterdir(), key=lambda p: p.stat().st_mtime, reverse=True):
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if p.is_file():
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files.append({"name": p.name, "size": p.stat().st_size})
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self._json(files)
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def _route_download(self):
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name = urllib.parse.unquote(self.path[4:])
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safe = self.server.upload_dir / Path(name).name
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if not safe.is_file():
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self.send_error(404)
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return
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ct = mimetypes.guess_type(safe.name)[0] or "application/octet-stream"
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self.send_response(200)
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self.send_header("Content-Type", ct)
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self.send_header("Content-Disposition", f'attachment; filename="{safe.name}"')
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self.send_header("Content-Length", str(safe.stat().st_size))
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self.end_headers()
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with open(safe, "rb") as f:
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while chunk := f.read(65536):
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self.wfile.write(chunk)
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def _route_upload(self):
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ct = self.headers.get("Content-Type", "")
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if "multipart/form-data" not in ct:
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self.send_error(400)
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return
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length = int(self.headers.get("Content-Length", 0))
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body = self.rfile.read(length)
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count = self._save_parts(ct, body)
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self._json({"ok": True, "count": count})
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def _route_delete(self):
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name = urllib.parse.unquote(self.path[5:])
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safe = self.server.upload_dir / Path(name).name
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if safe.is_file():
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safe.unlink()
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self._json({"ok": True})
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# ── Helpers ──
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def _save_parts(self, content_type: str, body: bytes) -> int:
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header = f"Content-Type: {content_type}\r\n\r\n".encode()
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msg = email.parser.BytesParser().parsebytes(header + body)
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count = 0
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for part in msg.walk():
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fname = part.get_filename()
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if not fname:
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continue
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fname = Path(fname).name or f"paste_{datetime.now():%H%M%S}"
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data = part.get_payload(decode=True)
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if not data:
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continue
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dest = self._unique_path(fname)
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dest.write_bytes(data)
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count += 1
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print(f" + {dest.name} ({len(data)} bytes)")
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return count
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def _unique_path(self, filename: str) -> Path:
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dest = self.server.upload_dir / filename
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if not dest.exists():
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return dest
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stem, suffix = dest.stem, dest.suffix
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i = 1
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while dest.exists():
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dest = self.server.upload_dir / f"{stem}_{i}{suffix}"
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i += 1
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return dest
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# ── Main ──
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DEFAULTS = {
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"port": "3001",
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"dir": str(Path.home() / "Downloads" / "shared"),
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"ttl": "7",
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"san": "",
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"lang": "ru",
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"refresh": "5",
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"per_page": "10,25,50,100",
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}
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def load_config() -> dict:
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"""Load config: defaults ← config file ← CLI args."""
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cfg_path = BASE_DIR / "share.conf"
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cp = configparser.ConfigParser()
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cp.read_dict({"share": DEFAULTS})
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cp.read(cfg_path)
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conf = dict(cp["share"])
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p = argparse.ArgumentParser(description="Share — local file sharing server")
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p.add_argument("-p", "--port", type=int)
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p.add_argument("-d", "--dir", type=str)
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p.add_argument("--ttl", type=int)
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p.add_argument("--san", nargs="*")
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p.add_argument("--lang", type=str)
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p.add_argument("--refresh", type=int)
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args = p.parse_args()
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if args.port is not None:
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conf["port"] = str(args.port)
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if args.dir is not None:
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conf["dir"] = args.dir
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if args.ttl is not None:
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conf["ttl"] = str(args.ttl)
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if args.san is not None:
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conf["san"] = " ".join(args.san)
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if args.lang is not None:
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conf["lang"] = args.lang
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if args.refresh is not None:
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conf["refresh"] = str(args.refresh)
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return conf
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def main():
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conf = load_config()
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port = int(conf["port"])
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upload_dir = Path(conf["dir"]).expanduser().resolve()
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max_age = int(conf["ttl"]) * 86400
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san_list = conf["san"].split() if conf["san"] else None
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upload_dir.mkdir(parents=True, exist_ok=True)
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threading.Thread(target=cleanup_loop, args=(upload_dir, max_age), daemon=True).start()
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ip = get_local_ip()
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cfg_json = json.dumps({
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"lang": conf["lang"],
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"refresh": int(conf["refresh"]),
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"perPage": [int(x) for x in conf["per_page"].split(",")],
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})
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cfg_tag = f"<script>const CFG={cfg_json}</script>".encode()
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html = (BASE_DIR / "static" / "index.html").read_bytes()
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html = html.replace(b"<!--CFG-->", cfg_tag)
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cert_dir = BASE_DIR / ".certs"
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cert, key = ensure_cert(cert_dir, extra_ips=san_list)
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ctx = ssl.SSLContext(ssl.PROTOCOL_TLS_SERVER)
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ctx.load_cert_chain(cert, key)
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server = ShareServer(("0.0.0.0", port), Handler, upload_dir=upload_dir, html=html, ssl_ctx=ctx)
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print(f"\n Share running")
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print(f" Local: https://localhost:{port}")
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print(f" Network: https://{ip}:{port}")
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print(f" Files: {upload_dir}\n")
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try:
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server.serve_forever()
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except KeyboardInterrupt:
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print("\n Stopped.")
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server.server_close()
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if __name__ == "__main__":
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main()
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Reference in New Issue
Block a user