Files
infisical/backend/src/server/plugins/serve-ui.ts

108 lines
3.2 KiB
TypeScript

import fs from "node:fs";
import path from "node:path";
import staticServe from "@fastify/static";
import RE2 from "re2";
import { getConfig, IS_PACKAGED } from "@app/lib/config/env";
// to enabled this u need to set standalone mode to true
export const registerServeUI = async (
server: FastifyZodProvider,
{
standaloneMode,
dir
}: {
standaloneMode?: boolean;
dir: string;
}
) => {
const appCfg = getConfig();
const cdnHost = appCfg.CDN_HOST || "";
// use this only for frontend runtime static non-sensitive configuration in standalone mode
// that app needs before loading like posthog dsn key
// for most of the other usecase use server config
server.route({
method: "GET",
url: "/runtime-ui-env.js",
schema: {
hide: true
},
handler: (_req, res) => {
void res.type("application/javascript");
const config = {
CAPTCHA_SITE_KEY: appCfg.CAPTCHA_SITE_KEY,
POSTHOG_API_KEY: appCfg.POSTHOG_PROJECT_API_KEY,
INTERCOM_ID: appCfg.INTERCOM_ID,
TELEMETRY_CAPTURING_ENABLED: appCfg.TELEMETRY_ENABLED,
CDN_HOST: cdnHost
};
// Define window.__toCdnUrl for Vite's experimental.renderBuiltUrl runtime support
// This function is called by dynamically imported chunks to resolve CDN URLs
const js = `
window.__INFISICAL_RUNTIME_ENV__ = Object.freeze(${JSON.stringify(config)});
window.__toCdnUrl = function(filename) {
var cdnHost = window.__INFISICAL_RUNTIME_ENV__.CDN_HOST || "";
if (cdnHost && filename.startsWith("assets/")) {
return cdnHost + "/" + filename;
}
return "/" + filename;
};
`.trim();
return res.send(js);
}
});
if (standaloneMode) {
const frontendName = IS_PACKAGED ? "frontend" : "frontend-build";
const frontendPath = path.join(dir, frontendName);
const indexHtmlPath = path.join(frontendPath, "index.html");
let indexHtml = fs.readFileSync(indexHtmlPath, "utf-8");
if (cdnHost) {
// Replace relative asset paths with CDN URLs in script and link tags
indexHtml = indexHtml
.replace(/src="\/assets\//g, `src="${cdnHost}/assets/`)
.replace(/href="\/assets\//g, `href="${cdnHost}/assets/`);
// Inject CDN host into CSP directives that need it
const cspDirectives = ["script-src", "style-src", "font-src", "connect-src", "media-src"];
for (const directive of cspDirectives) {
const regex = new RE2(`(${directive}\\s+'self')`, "g");
indexHtml = indexHtml.replace(regex, `$1 ${cdnHost}`);
}
}
await server.register(staticServe, {
root: frontendPath,
wildcard: false,
maxAge: "30d",
immutable: true,
index: false
});
server.route({
method: "GET",
url: "/*",
schema: {
hide: true
},
handler: (request, reply) => {
if (request.url.startsWith("/api")) {
reply.callNotFound();
return;
}
return reply
.type("text/html")
.header("Cache-Control", "no-cache, no-store, must-revalidate")
.header("Pragma", "no-cache")
.header("Expires", "0")
.send(indexHtml);
}
});
}
};