0.2.2 onlyoffice修复

wolai-frontend/scripts/dev-server.js

@@ -60,6 +60,39 @@ function buildUpstreamRequestHead(req, targetUrl) {
   lines.push(`${req.method || "GET"} ${upstreamPath} HTTP/1.1`);
 
   const headers = req.headers || {};
+  const headerValue = (name) => {
+    const v = headers[name];
+    if (!v) return "";
+    return Array.isArray(v) ? v[0] : String(v);
+  };
+
+  // 说明：ONLYOFFICE 在反向代理下会依赖 X-Forwarded-* 推导“对外地址”，用于拼出 ws/wss 与缓存资源 URL。
+  // 这里尽量沿用上游（frp/nginx）注入的 x-forwarded-proto/host；若缺失，则回退到本机 http。
+  const originLike = headerValue("origin") || headerValue("referer") || "";
+  const originUrl = (() => {
+    try {
+      if (!originLike) return null;
+      return new URL(originLike);
+    } catch {
+      return null;
+    }
+  })();
+
+  const forwardedHostRaw =
+    headerValue("x-forwarded-host") || (originUrl ? originUrl.host : "") || headerValue("host") || "";
+  const forwardedProto =
+    (headerValue("x-forwarded-proto") || "").split(",")[0].trim() ||
+    (originUrl ? originUrl.protocol.replace(":", "") : "") ||
+    "http";
+  const forwardedPort = (() => {
+    const fromHeader = (headerValue("x-forwarded-port") || "").split(",")[0].trim();
+    if (fromHeader) return fromHeader;
+    const hostHasPort = forwardedHostRaw.includes(":") ? forwardedHostRaw.split(":").pop() : "";
+    if (hostHasPort && /^\d+$/.test(hostHasPort)) return hostHasPort;
+    return forwardedProto === "https" ? "443" : "80";
+  })();
+  const forwardedHost = forwardedHostRaw.split(",")[0].trim() || "localhost";
+
   for (const [k, v] of Object.entries(headers)) {
     if (!v) continue;
     const key = String(k);
@@ -71,6 +104,12 @@ function buildUpstreamRequestHead(req, targetUrl) {
     }
   }
 
+  // 说明：补齐/覆盖 forward 信息，避免 ONLYOFFICE 返回指向内部端口的绝对 URL。
+  lines.push(`x-forwarded-host: ${forwardedHost}`);
+  lines.push(`x-forwarded-proto: ${forwardedProto}`);
+  lines.push(`x-forwarded-port: ${forwardedPort}`);
+  lines.push(`x-forwarded-prefix: ${ONLYOFFICE_PREFIX}`);
+
   // 说明：Host 必须指向 ONLYOFFICE_INTERNAL_URL，否则上游可能拒绝 Upgrade。
   lines.push(`Host: ${targetUrl.host}`);
   lines.push("");
@@ -144,7 +183,16 @@ async function main() {
     if (isOnlyOfficePath(req.url || "/")) {
       try {
         // eslint-disable-next-line no-console
-        console.log("[dev-server][onlyoffice-ws] upgrade", req.url);
+        console.log(
+          "[dev-server][onlyoffice-ws] upgrade",
+          req.url,
+          "host=",
+          req.headers.host,
+          "xfp=",
+          req.headers["x-forwarded-proto"],
+          "xfh=",
+          req.headers["x-forwarded-host"],
+        );
       } catch {}
       proxyOnlyOfficeUpgrade(req, socket, head);
       return;