feat: 新增webdav

scripts/start.mjs

@@ -0,0 +1,63 @@
+// 统一启动入口：本地运行 Next CLI，Docker 保留 standalone，两者共管 WebDAV 生命周期。
+import { execFile, spawn } from "node:child_process";
+import { createRequire } from "node:module";
+import { getWebdavConfig } from "../src/server/webdav/config.mjs";
+
+const mode = process.argv[2] || "standalone";
+if (!["dev", "start", "standalone"].includes(mode))
+  throw new Error("启动模式必须为 dev、start 或 standalone");
+const local = mode !== "standalone";
+const load = createRequire(import.meta.url);
+if (local) {
+  process.env.NODE_ENV = mode === "dev" ? "development" : "production";
+  // 复用当前 Next 安装中的 env loader，与 Next 的 .env* 优先级和变量展开保持一致。
+  const loadNext = createRequire(load.resolve("next/package.json"));
+  loadNext("@next/env").loadEnvConfig(process.cwd(), mode === "dev");
+  process.env.PORT = process.env.PORT?.trim() || "3200";
+  process.env.WEBDAV_PORT = process.env.WEBDAV_PORT?.trim() || "3201";
+}
+const config = getWebdavConfig();
+if (config.enabled && config.port === Number(process.env.PORT))
+  throw new Error("WebDAV 与管理页不能使用相同端口");
+
+const children = [];
+let stopping = false;
+const stop = (code = 0) => {
+  if (stopping) return;
+  stopping = true;
+  process.exitCode = code;
+  for (const child of children) {
+    if (child.exitCode !== null || child.signalCode !== null) continue;
+    // next dev 还会创建服务进程；Windows 必须结束整个子进程树，避免残留监听端口。
+    if (process.platform === "win32")
+      execFile("taskkill", ["/PID", String(child.pid), "/T", "/F"], () => {});
+    else child.kill("SIGTERM");
+  }
+  setTimeout(() => {
+    for (const child of children) child.kill("SIGKILL");
+  }, 6000).unref();
+};
+const start = (file, args = [], env = process.env) => {
+  const child = spawn(process.execPath, [file, ...args], {
+    stdio: "inherit",
+    env
+  });
+  children.push(child);
+  child.on("error", () => stop(1));
+  child.on("exit", (code, signal) => {
+    if (!stopping) stop(code || (signal ? 1 : 0));
+  });
+};
+
+if (local)
+  start(load.resolve("next/dist/bin/next"), [mode, "-p", process.env.PORT]);
+else start("server.js");
+if (config.enabled) {
+  const env = { ...process.env };
+  // 本地无密钥的演示模式沿用网页的 mock 密钥，不改变 Next 进程的演示提示。
+  if (local && !env.TORBOX_API_KEY?.trim() && !env.ACCESS_TOKEN?.trim())
+    env.ACCESS_TOKEN = "mock";
+  start("scripts/webdav.mjs", [], env);
+}
+process.once("SIGINT", () => stop());
+process.once("SIGTERM", () => stop());

scripts/webdav.mjs

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+import { createWebDavServer } from "../src/server/webdav/server.mjs";
+import { getWebdavConfig } from "../src/server/webdav/config.mjs";
+
+process.env.WEBDAV_PORT ||= "3201";
+const config = getWebdavConfig();
+if (!config.enabled) process.exit(0);
+
+const server = createWebDavServer({
+  appUrl: config.appUrl,
+  username: config.username,
+  password: process.env.ACCESS_TOKEN,
+  basePath: config.basePath
+});
+server.headersTimeout = 10_000;
+server.requestTimeout = 30_000;
+server.on("error", () => {
+  console.error("WebDAV 启动失败，请检查监听地址和端口是否被占用");
+  process.exitCode = 1;
+});
+server.listen(config.port, config.host, () => {
+  console.info(`WebDAV 已启动：端口 ${config.port}，仅提供只读文件访问`);
+});
+
+const close = () => {
+  server.close();
+  // 先允许正在进行的传输结束，容器停止时最多等待 5 秒。
+  setTimeout(() => server.closeAllConnections(), 5000).unref();
+};
+process.once("SIGINT", close);
+process.once("SIGTERM", close);