feat: link mac client to shared gateway proxy

src/server/index.js

@@ -21,6 +21,10 @@ import {
   readClientSettings,
   writeClientSettings,
 } from "./clientSettings.js";
+import {
+  buildSharedProxyInfo,
+  checkSharedProxyGateway,
+} from "./sharedProxy.js";
 import { matchRoute, detectRuleConflicts } from "./routeMatcher.js";
 import { tcpPing, resolveHost } from "./ping.js";
 
@@ -722,6 +726,36 @@ async function applySelectedServer(selectedTag) {
   });
 }
 
+async function applyClientSharedProxy() {
+  const clientSettings = readClientSettings();
+  if (!clientSettings.sharedProxyEnabled || !clientSettings.sharedProxy) {
+    return false;
+  }
+
+  const generated = buildGatewayConfig(
+    { outbounds: [], customRules: [] },
+    "",
+  );
+  writeSingboxConfig(generated);
+  await startSingbox();
+  pushLog(
+    "info",
+    `Mac client uses shared gateway proxy ${clientSettings.sharedProxy.host}:${clientSettings.sharedProxy.port}`,
+  );
+  return true;
+}
+
+async function applyClientDirectProxy() {
+  const generated = buildGatewayConfig(
+    { outbounds: [], customRules: [] },
+    "",
+  );
+  writeSingboxConfig(generated);
+  await startSingbox();
+  pushLog("info", "Mac client routes local proxy directly");
+  return true;
+}
+
 function handleLogsStream(req, res) {
   res.writeHead(200, {
     "content-type": "text/event-stream; charset=utf-8",
@@ -756,6 +790,20 @@ async function handleApi(req, res) {
     return sendJson(res, 200, publicState());
   }
 
+  if (req.method === "GET" && req.url === "/api/shared-proxy") {
+    return sendJson(
+      res,
+      200,
+      buildSharedProxyInfo({
+        appMode: settings.appMode,
+        proxyPort: settings.proxyPort,
+        running: Boolean(singboxProcess),
+        hostHeader: req.headers.host,
+        sharedProxyHost: settings.sharedProxyHost,
+      }),
+    );
+  }
+
   if (req.method === "GET" && req.url === "/api/config") {
     const config = readSingboxConfig();
     return sendJson(res, 200, { success: true, config });
@@ -947,12 +995,48 @@ async function handleApi(req, res) {
     const clientSettings = writeClientSettings(body.clientSettings || body);
     const prevState = readJson(settings.statePath, {});
 
-    if (
-      settings.appMode === "client" &&
-      prevState.selectedTag &&
-      readJson(settings.subscriptionCachePath, null)?.config
-    ) {
-      await applySelectedServer(prevState.selectedTag);
+    if (settings.appMode === "client") {
+      if (clientSettings.sharedProxyEnabled) {
+        await applyClientSharedProxy();
+      } else if (clientSettings.homeBypassEnabled) {
+        await applyClientDirectProxy();
+      } else if (
+        prevState.selectedTag &&
+        readJson(settings.subscriptionCachePath, null)?.config
+      ) {
+        await applySelectedServer(prevState.selectedTag);
+      } else {
+        await stopSingbox();
+        removeSingboxConfig();
+      }
+    }
+
+    return sendJson(res, 200, {
+      success: true,
+      clientSettings,
+      singboxRunning: Boolean(singboxProcess),
+    });
+  }
+
+  if (req.method === "POST" && req.url === "/api/client-settings/shared-proxy/check") {
+    const body = await readBody(req);
+    const url = String(body.url || "").trim();
+    if (!url) {
+      return sendJson(res, 400, {
+        success: false,
+        error: "Укажите адрес gateway",
+      });
+    }
+
+    const patch = await checkSharedProxyGateway(url);
+    const clientSettings = writeClientSettings({
+      ...readClientSettings(),
+      ...patch,
+      homeBypassEnabled: false,
+    });
+
+    if (settings.appMode === "client") {
+      await applyClientSharedProxy();
     }
 
     return sendJson(res, 200, {
@@ -1348,6 +1432,14 @@ async function handleApi(req, res) {
         error: "selectedTag обязателен",
       });
 
+    if (settings.appMode === "client") {
+      writeClientSettings({
+        ...readClientSettings(),
+        homeBypassEnabled: false,
+        sharedProxyEnabled: false,
+      });
+    }
+
     await applySelectedServer(selectedTag);
     return sendJson(res, 200, {
       success: true,