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829 lines (736 loc) · 25.2 KB
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import { fileURLToPath } from "node:url";
import { createServer } from "node:http";
import fs from "node:fs";
import http from "node:http";
import https from "node:https";
import { parse } from "node:url";
import httpProxy from "http-proxy";
import cookie from "cookie";
import path from "node:path";
import multiparty from "multiparty";
import dotenv from "dotenv";
import { BASE_PATH } from "./base-path.mjs";
import {
ensureDir,
readLocaleConfig,
saveLocaleConfig,
} from "./build-config.js";
const { createProxyServer } = httpProxy;
const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);
const dev = process.env.NODE_ENV !== "production";
let nextConfig;
if (!dev) {
nextConfig = JSON.parse(
fs.readFileSync(
path.join(__dirname, ".next", "required-server-files.json"),
"utf8"
)
).config;
process.env.__NEXT_PRIVATE_STANDALONE_CONFIG = JSON.stringify(nextConfig);
}
const { default: next } = await import("next");
// Load environment variables from deploy/env/.env
// In container environments, env vars are injected directly by Docker, so .env file may not exist
// Using optional: true to avoid errors if .env file is not found
dotenv.config({
path: path.resolve(__dirname, "../deploy/env/.env"),
override: false, // Don't override existing environment variables (important for Docker)
});
const app = next({
dev,
...(nextConfig && { conf: nextConfig }),
});
const handle = app.getRequestHandler();
// Backend addresses
const HTTP_BACKEND = process.env.HTTP_BACKEND || "http://localhost:5010"; // config
const WS_BACKEND = process.env.WS_BACKEND || "ws://localhost:5014"; // runtime
const RUNTIME_HTTP_BACKEND =
process.env.RUNTIME_HTTP_BACKEND || "http://localhost:5014"; // runtime
const MINIO_BACKEND = process.env.MINIO_ENDPOINT || "http://localhost:9010";
const SHARE_BASE_URL =
process.env.SHARE_BASE_URL || process.env.NEXT_PUBLIC_SHARE_BASE_URL || "";
const BUILT_IN_PUBLIC_DIR = path.resolve(__dirname, "./public");
const PROJECT_CONFIG_DIR = path.resolve(
process.env.PROJECT_CONFIG_DIR || BUILT_IN_PUBLIC_DIR
);
const ICON_UPLOAD_DIR = PROJECT_CONFIG_DIR;
const PORT = 3000;
const PROJECT_CONFIG_ASSETS = {
"/modelengine-logo.png": {
relativePath: "modelengine-logo.png",
contentType: "image/png",
},
"/modelengine-logo2.png": {
relativePath: "modelengine-logo2.png",
contentType: "image/png",
},
"/locales/zh/custom.json": {
relativePath: path.join("locales", "zh", "custom.json"),
contentType: "application/json; charset=utf-8",
},
"/locales/en/custom.json": {
relativePath: path.join("locales", "en", "custom.json"),
contentType: "application/json; charset=utf-8",
},
};
function withoutBasePath(pathname) {
if (
!BASE_PATH ||
(pathname !== BASE_PATH && !pathname.startsWith(`${BASE_PATH}/`))
) {
return pathname;
}
return pathname.slice(BASE_PATH.length) || "/";
}
function withBasePath(pathname) {
return BASE_PATH ? `${BASE_PATH}${pathname}` : pathname;
}
function parseTimeout(value, fallback) {
const parsed = Number.parseInt(value, 10);
return Number.isFinite(parsed) && parsed > 0 ? parsed : fallback;
}
const PROXY_TIMEOUT_MS = parseTimeout(
process.env.PROXY_TIMEOUT_MS,
10 * 60 * 1000
);
const PROXY_WS_TIMEOUT_MS = parseTimeout(
process.env.PROXY_WS_TIMEOUT_MS,
PROXY_TIMEOUT_MS
);
const SSE_PROXY_TIMEOUT_MS = parseTimeout(
process.env.SSE_PROXY_TIMEOUT_MS,
PROXY_TIMEOUT_MS
);
const proxy = createProxyServer({
proxyTimeout: PROXY_TIMEOUT_MS,
timeout: PROXY_TIMEOUT_MS,
});
// ============================================================================
// Cookie configuration
// ============================================================================
const COOKIE_NAMES = {
ACCESS_TOKEN: "nexent_access_token",
REFRESH_TOKEN: "nexent_refresh_token",
EXPIRES_AT: "nexent_token_expires_at",
OAUTH_PENDING: "nexent_oauth_pending",
};
const isProduction = process.env.NODE_ENV === "production";
function buildCookieOptions(httpOnly) {
return {
httpOnly,
secure: false, // cookie can be send through http
sameSite: "lax",
path: BASE_PATH || "/",
};
}
function appendSetCookies(res, cookies) {
const existing = res.getHeader("Set-Cookie") || [];
const existingCookies = Array.isArray(existing) ? existing : [existing];
res.setHeader("Set-Cookie", [...existingCookies, ...cookies].filter(Boolean));
}
function setAuthCookies(res, session) {
const cookies = [];
const expiresInSeconds = session.expires_in_seconds || 3600;
const refreshTokenMaxAge = expiresInSeconds * 10;
if (session.access_token) {
cookies.push(
cookie.serialize(COOKIE_NAMES.ACCESS_TOKEN, session.access_token, {
...buildCookieOptions(true),
maxAge: expiresInSeconds, // Use backend-provided value
})
);
}
if (session.refresh_token) {
cookies.push(
cookie.serialize(COOKIE_NAMES.REFRESH_TOKEN, session.refresh_token, {
...buildCookieOptions(true),
maxAge: refreshTokenMaxAge, // 10x access token lifetime
})
);
}
if (session.expires_at) {
cookies.push(
cookie.serialize(COOKIE_NAMES.EXPIRES_AT, String(session.expires_at), {
...buildCookieOptions(false), // readable by frontend JS
maxAge: expiresInSeconds, // Same as access token
})
);
}
if (cookies.length > 0) {
appendSetCookies(res, cookies);
}
}
function clearAuthCookies(res) {
const expired = { maxAge: 0, path: "/" };
res.setHeader("Set-Cookie", [
cookie.serialize(COOKIE_NAMES.ACCESS_TOKEN, "", {
...expired,
httpOnly: true,
}),
cookie.serialize(COOKIE_NAMES.REFRESH_TOKEN, "", {
...expired,
httpOnly: true,
}),
cookie.serialize(COOKIE_NAMES.EXPIRES_AT, "", expired),
cookie.serialize(COOKIE_NAMES.OAUTH_PENDING, "", {
...expired,
httpOnly: true,
}),
]);
}
function setPendingOAuthCookie(res, pendingToken) {
appendSetCookies(res, [
cookie.serialize(COOKIE_NAMES.OAUTH_PENDING, pendingToken, {
...buildCookieOptions(true),
maxAge: 10 * 60,
}),
]);
}
function clearPendingOAuthCookie(res) {
appendSetCookies(res, [
cookie.serialize(COOKIE_NAMES.OAUTH_PENDING, "", {
maxAge: 0,
path: "/",
httpOnly: true,
}),
]);
}
function getPreferredLocale(cookies) {
const locale = cookies.NEXT_LOCALE;
return locale === "en" || locale === "zh" ? locale : "zh";
}
function parseCookies(req) {
return cookie.parse(req.headers.cookie || "");
}
// Matches backend consts/const.py: IS_SPEED_MODE = DEPLOYMENT_VERSION == "speed"
const IS_SPEED_MODE = (process.env.DEPLOYMENT_VERSION || "speed") === "speed";
// Matches backend consts/notification.py SU_ROLES and services/mcp_management_service.py SUPER_ADMIN_ROLES
const SUPER_ADMIN_ROLES = new Set(["SU", "SUPER_ADMIN"]);
async function isSuperAdminRequest(req) {
// Speed mode: SPEED role has SU-level privileges (see backend is_speed_admin logic in user_service.py)
if (IS_SPEED_MODE) {
return true;
}
const cookies = parseCookies(req);
const token = cookies[COOKIE_NAMES.ACCESS_TOKEN];
if (!token) {
return false;
}
try {
const response = await fetch(`${HTTP_BACKEND}/user/current_user_info`, {
method: "GET",
headers: { Authorization: `Bearer ${token}` },
signal: AbortSignal.timeout(5000),
});
if (!response.ok) {
return false;
}
const data = await response.json();
const userRole = data?.data?.user?.user_role;
return SUPER_ADMIN_ROLES.has(userRole);
} catch (error) {
console.error(
"[isSuperAdminRequest] Error checking super admin:",
error.message
);
return false;
}
}
function renameFile(oldPath, newFileName) {
ensureDir(ICON_UPLOAD_DIR);
fs.renameSync(oldPath, path.join(ICON_UPLOAD_DIR, newFileName));
}
function updateLocalConfig(oldData, newData) {
if (!oldData || !newData) {
return oldData;
}
return Object.keys(oldData).reduce((acc, key) => {
acc[key] = newData[key] ? newData[key] : oldData[key];
return acc;
}, {});
}
// ============================================================================
// Auth endpoint interception — manually forward and intercept tokens
// ============================================================================
const AUTH_INTERCEPT_ENDPOINTS = new Set([
"/api/user/signin",
"/api/user/signup",
"/api/user/refresh_token",
"/api/user/logout",
"/api/user/revoke",
"/api/user/oauth/callback",
"/api/user/oauth/link",
"/api/user/oauth/pending",
"/api/user/oauth/complete",
"/api/user/cas/config",
"/api/user/cas/login",
"/api/user/cas/callback",
"/api/user/cas/renew",
"/api/user/cas/renew_callback",
"/api/user/cas/logout_callback",
]);
function collectRequestBody(req) {
return new Promise((resolve, reject) => {
const chunks = [];
req.on("data", (chunk) => chunks.push(chunk));
req.on("end", () => resolve(Buffer.concat(chunks)));
req.on("error", reject);
});
}
/**
* For the refresh_token endpoint, inject the refresh_token from cookie
* into the request body so the backend can process it normally.
* If no refresh_token cookie exists, return 401 immediately.
*/
function prepareAuthRequestBody(pathname, body, cookies, res) {
if (pathname === "/api/user/refresh_token") {
const refreshToken = cookies[COOKIE_NAMES.REFRESH_TOKEN];
if (!refreshToken) {
res.writeHead(401, { "Content-Type": "application/json" });
res.end(JSON.stringify({ detail: "No refresh token cookie found" }));
return null;
}
try {
const parsed = body.length > 0 ? JSON.parse(body.toString()) : {};
parsed.refresh_token = refreshToken;
return Buffer.from(JSON.stringify(parsed));
} catch {
return body;
}
}
return body;
}
function forwardAuthRequest(req, res, targetUrl) {
const parsedTarget = new URL(targetUrl);
const transport = parsedTarget.protocol === "https:" ? https : http;
const cookies = parseCookies(req);
if (
req.parsedPathname === "/api/user/refresh_token" &&
!cookies[COOKIE_NAMES.REFRESH_TOKEN]
) {
res.writeHead(204);
res.end();
return;
}
collectRequestBody(req)
.then((rawBody) => {
const body = prepareAuthRequestBody(
req.parsedPathname,
rawBody,
cookies,
res
);
// If body is null, prepareAuthRequestBody already sent the error response
if (body === null) {
return;
}
const forwardHeaders = { ...req.headers, host: parsedTarget.host };
// Inject access_token from cookie as Authorization header for the backend
if (
cookies[COOKIE_NAMES.ACCESS_TOKEN] &&
!forwardHeaders["authorization"]
) {
forwardHeaders["authorization"] =
`Bearer ${cookies[COOKIE_NAMES.ACCESS_TOKEN]}`;
}
if (
cookies[COOKIE_NAMES.OAUTH_PENDING] &&
(req.parsedPathname === "/api/user/oauth/pending" ||
req.parsedPathname === "/api/user/oauth/complete")
) {
forwardHeaders["x-oauth-pending-token"] =
cookies[COOKIE_NAMES.OAUTH_PENDING];
}
// Update content-length if body was modified
if (body.length !== rawBody.length) {
forwardHeaders["content-length"] = String(body.length);
}
const options = {
hostname: parsedTarget.hostname,
port: parsedTarget.port,
path: req.url,
method: req.method,
headers: forwardHeaders,
};
const proxyReq = transport.request(options, (proxyRes) => {
const responseChunks = [];
proxyRes.on("data", (chunk) => responseChunks.push(chunk));
proxyRes.on("end", () => {
const responseBody = Buffer.concat(responseChunks);
let finalBody = responseBody;
try {
const contentType = proxyRes.headers["content-type"] || "";
if (
contentType.includes("application/json") &&
responseBody.length > 0
) {
const data = JSON.parse(responseBody.toString());
const isLogout = req.parsedPathname === "/api/user/logout";
const isRevoke = req.parsedPathname === "/api/user/revoke";
if (isLogout || isRevoke) {
clearAuthCookies(res);
} else if (
req.parsedPathname === "/api/user/oauth/callback" &&
data.data &&
data.data.requires_account_completion &&
data.data.pending_token
) {
setPendingOAuthCookie(res, data.data.pending_token);
const locale = getPreferredLocale(cookies);
res.writeHead(302, {
Location: withBasePath(`/${locale}/oauth/complete`),
});
res.end();
return;
} else if (data.data && data.data.session) {
const session = data.data.session;
setAuthCookies(res, session);
const isOAuthCallback =
req.parsedPathname === "/api/user/oauth/callback";
const isCasCallback =
req.parsedPathname === "/api/user/cas/callback";
const isCasRenewCallback =
req.parsedPathname === "/api/user/cas/renew_callback";
if (isOAuthCallback) {
res.writeHead(302, { Location: withBasePath("/") });
res.end();
return;
}
if (isCasCallback) {
res.writeHead(302, {
Location: data.data.redirect_url || withBasePath("/"),
});
res.end();
return;
}
if (isCasRenewCallback) {
const html = Buffer.from(`<!doctype html><html><body><script>
window.parent && window.parent.postMessage({ type: "cas-renew-success" }, window.location.origin);
</script></body></html>`);
const responseHeaders = {
"content-type": "text/html; charset=utf-8",
"content-length": String(html.length),
};
const existingSetCookie = res.getHeader("Set-Cookie") || [];
const cookiesToSend = Array.isArray(existingSetCookie)
? existingSetCookie
: [existingSetCookie];
if (cookiesToSend.filter(Boolean).length > 0) {
responseHeaders["set-cookie"] =
cookiesToSend.filter(Boolean);
}
res.writeHead(200, responseHeaders);
res.end(html);
return;
}
if (req.parsedPathname === "/api/user/oauth/complete") {
clearPendingOAuthCookie(res);
}
const sanitized = { ...data };
sanitized.data = { ...data.data };
sanitized.data.session = {
expires_at: session.expires_at,
expires_in_seconds: session.expires_in_seconds,
};
finalBody = Buffer.from(JSON.stringify(sanitized));
} else if (
req.parsedPathname === "/api/user/oauth/callback" &&
data.data &&
data.data.oauth_error
) {
const errorParams = new URLSearchParams({
oauth_error: data.data.oauth_error,
oauth_error_description:
data.data.oauth_error_description || "",
});
res.writeHead(302, {
Location: `${withBasePath("/")}?${errorParams.toString()}`,
});
res.end();
return;
}
}
} catch {
// If JSON parsing fails, pass through unchanged
}
// Copy response headers, but override content-length and set cookies
const responseHeaders = { ...proxyRes.headers };
responseHeaders["content-length"] = String(finalBody.length);
// Merge Set-Cookie: proxyRes cookies + our auth cookies
const existingSetCookie = res.getHeader("Set-Cookie") || [];
const upstreamSetCookie = proxyRes.headers["set-cookie"] || [];
const mergedCookies = [
...(Array.isArray(existingSetCookie)
? existingSetCookie
: [existingSetCookie]),
...(Array.isArray(upstreamSetCookie)
? upstreamSetCookie
: [upstreamSetCookie]),
].filter(Boolean);
delete responseHeaders["set-cookie"];
if (mergedCookies.length > 0) {
responseHeaders["set-cookie"] = mergedCookies;
}
res.writeHead(proxyRes.statusCode, responseHeaders);
res.end(finalBody);
});
});
proxyReq.on("error", (err) => {
console.error("[Auth Proxy] Forward error:", err.message);
if (!res.headersSent) {
res.writeHead(502, { "Content-Type": "application/json" });
res.end(JSON.stringify({ detail: "Backend unavailable" }));
}
});
proxyReq.write(body);
proxyReq.end();
})
.catch((err) => {
console.error("[Auth Proxy] Body read error:", err.message);
if (!res.headersSent) {
res.writeHead(500, { "Content-Type": "application/json" });
res.end(JSON.stringify({ detail: "Internal proxy error" }));
}
});
}
// ============================================================================
// Cookie-to-Header injection for regular proxy requests
// ============================================================================
proxy.on("proxyReq", (proxyReq, req) => {
const cookies = parseCookies(req);
if (
cookies[COOKIE_NAMES.ACCESS_TOKEN] &&
!proxyReq.getHeader("authorization")
) {
proxyReq.setHeader(
"Authorization",
`Bearer ${cookies[COOKIE_NAMES.ACCESS_TOKEN]}`
);
}
});
// ============================================================================
// Server setup
// ============================================================================
app.prepare().then(() => {
const server = createServer(async (req, res) => {
const parsedUrl = parse(req.url, true);
const { pathname } = parsedUrl;
const internalPathname = withoutBasePath(pathname);
req.parsedPathname = internalPathname;
const isProxyRequest =
internalPathname.startsWith("/api/") ||
(internalPathname.includes("/attachments/") &&
!internalPathname.startsWith("/api/"));
if (isProxyRequest && BASE_PATH) {
req.url = req.url.slice(BASE_PATH.length) || "/";
}
// Route dispatch uses paths without the Next.js base path.
if (handleFrontendConfigApi(internalPathname, req, res)) return;
if (handleProjectConfigAsset(internalPathname, req, res)) return;
if (await handleProjectConfigApi(internalPathname, req, res)) return;
if (handleAttachmentProxy(internalPathname, req, res)) return;
if (handleAllApiProxy(internalPathname, req, res)) return;
// Fallback: let Next.js render pages and framework resources with basePath intact.
handle(req, res, parsedUrl);
});
// Proxy WebSocket upgrade requests
server.on("upgrade", (req, socket, head) => {
const { pathname } = parse(req.url);
const internalPathname = withoutBasePath(pathname);
if (internalPathname.startsWith("/api/voice/")) {
if (BASE_PATH) {
req.url = req.url.slice(BASE_PATH.length) || "/";
}
proxy.ws(
req,
socket,
head,
{
target: WS_BACKEND,
changeOrigin: true,
proxyTimeout: PROXY_WS_TIMEOUT_MS,
timeout: PROXY_WS_TIMEOUT_MS,
},
(err) => {
console.error("[Proxy] WebSocket Proxy Error:", err);
socket.destroy();
}
);
} else {
console.log(
`[Proxy] Ignoring non-voice WebSocket upgrade for: ${pathname}`
);
}
});
server.listen(PORT, (err) => {
if (err) throw err;
console.log(`> Ready on http://localhost:${PORT}`);
console.log("> --- Backend URL Configuration ---");
console.log(`> HTTP Backend Target: ${HTTP_BACKEND}`);
console.log(`> WebSocket Backend Target: ${WS_BACKEND}`);
console.log(`> MinIO Backend Target: ${MINIO_BACKEND}`);
console.log("> ---------------------------------");
});
});
// ====================== 拆分独立路由处理函数 ======================
/**
* 接口：/api/frontend-config
*/
function handleFrontendConfigApi(pathname, req, res) {
if (pathname !== "/api/frontend-config") return false;
res.setHeader("Content-Type", "application/json");
res.end(JSON.stringify({ shareBaseUrl: SHARE_BASE_URL }));
return true;
}
function handleProjectConfigAsset(pathname, req, res) {
const asset = PROJECT_CONFIG_ASSETS[pathname];
if (!asset || (req.method !== "GET" && req.method !== "HEAD")) return false;
const persistedPath = path.join(PROJECT_CONFIG_DIR, asset.relativePath);
const builtInPath = path.join(BUILT_IN_PUBLIC_DIR, asset.relativePath);
const selectedPath = fs.existsSync(persistedPath)
? persistedPath
: builtInPath;
if (!fs.existsSync(selectedPath)) return false;
res.writeHead(200, {
"Content-Type": asset.contentType,
"Cache-Control": "no-store",
});
if (req.method === "HEAD") {
res.end();
} else {
fs.createReadStream(selectedPath).pipe(res);
}
return true;
}
/**
* 接口：/api/config/project-config 上传Logo+修改多语言配置
*/
async function handleProjectConfigApi(pathname, req, res) {
if (pathname !== "/api/config/project-config") return false;
// 权限校验
if (!(await isSuperAdminRequest(req))) {
sendJsonResponse(res, 403, { message: "Super admin access required" });
return true;
}
// 文件上传处理
ensureDir(ICON_UPLOAD_DIR);
const form = new multiparty.Form({ uploadDir: ICON_UPLOAD_DIR });
try {
const { fields, files } = await parseMultipartForm(form, req);
handleLogoUpload(files);
updateAndSaveLocaleConfig(fields);
sendJsonResponse(res, 200, { message: "success update" });
} catch (err) {
console.error(err);
const status = err.httpCode || 400;
res.writeHead(status, { "Content-Type": "text/plain" });
res.end("Request failed");
}
return true;
}
/**
* 静态附件代理 /attachments/
*/
function handleAttachmentProxy(pathname, req, res) {
const isAttachmentRoute =
pathname.includes("/attachments/") && !pathname.startsWith("/api/");
if (!isAttachmentRoute) return false;
proxy.web(req, res, { target: MINIO_BACKEND });
return true;
}
/**
* 统一处理所有 /api/ 代理转发逻辑
*/
function handleAllApiProxy(pathname, req, res) {
if (!pathname.startsWith("/api/")) return false;
// 1. 认证接口单独处理
if (AUTH_INTERCEPT_ENDPOINTS.has(pathname)) {
forwardAuthRequest(req, res, HTTP_BACKEND);
return true;
}
// 2. 判断是否为 runtime 运行时接口
const runtimePathPrefixes = [
"/api/agent/run",
"/api/agent/nl2agent/run",
"/api/skills/nl2skill/run",
"/api/agent/stop",
"/api/agent/automations",
"/api/conversation/",
"/api/share/",
"/api/file/storage",
"/api/file/preprocess",
];
const isRuntime = runtimePathPrefixes.some((prefix) =>
pathname.startsWith(prefix)
);
// 3. skills 特殊接口
// 分发代理目标
if (isRuntime) {
const runtimeProxyTimeout =
pathname.startsWith("/api/agent/run") ||
pathname.startsWith("/api/agent/nl2agent/run") ||
pathname.startsWith("/api/skills/nl2skill/run")
? SSE_PROXY_TIMEOUT_MS
: PROXY_TIMEOUT_MS;
proxy.web(req, res, getRuntimeProxyConfig(runtimeProxyTimeout));
} else {
proxy.web(req, res, {
target: HTTP_BACKEND,
changeOrigin: true,
proxyTimeout: PROXY_TIMEOUT_MS,
timeout: PROXY_TIMEOUT_MS,
});
}
return true;
}
// ====================== 通用工具函数（消除重复代码） ======================
/**
* 通用返回JSON响应
*/
function sendJsonResponse(res, statusCode, data) {
res.writeHead(statusCode, { "Content-Type": "application/json" });
res.end(JSON.stringify(data));
}
/**
* 解析 multipart/form-data 表单封装 Promise
*/
function parseMultipartForm(form, req) {
return new Promise((resolve, reject) => {
form.parse(req, (err, fields, files) => {
if (err) reject(err);
else resolve({ fields, files });
});
});
}
/**
* 处理Logo重命名上传
*/
function handleLogoUpload(files) {
if (files.logo) renameFile(files.logo[0].path, "modelengine-logo2.png");
if (files.logo2) renameFile(files.logo2[0].path, "modelengine-logo.png");
}
/**
* 读取、更新、保存多语言配置
*/
function updateAndSaveLocaleConfig(fields) {
const configZh = readLocaleConfig("zh");
const configEn = readLocaleConfig("en");
const fieldsZh = JSON.parse(fields.configZh[0]);
const fieldsEn = JSON.parse(fields.configEn[0]);
const newConfigZh = updateLocalConfig(configZh, fieldsZh);
const newConfigEn = updateLocalConfig(configEn, fieldsEn);
saveLocaleConfig(JSON.stringify(newConfigZh, null, 2), "zh");
saveLocaleConfig(JSON.stringify(newConfigEn, null, 2), "en");
}
/**
* 获取 Runtime 代理公共配置
*/
function getRuntimeProxyConfig(timeout) {
return {
target: RUNTIME_HTTP_BACKEND,
changeOrigin: true,
proxyTimeout: timeout,
timeout: timeout,
};
}