Files
outline/server/services/web.ts
Hans Pagel e754f89e5c Replace Webpack with Vite (#4765)
Co-authored-by: Tom Moor <tom@getoutline.com>
Co-authored-by: Vio <vio@beanon.com>
2023-02-15 19:39:46 -08:00

110 lines
2.7 KiB
TypeScript

/* eslint-disable @typescript-eslint/no-var-requires */
import Koa from "koa";
import {
contentSecurityPolicy,
dnsPrefetchControl,
referrerPolicy,
} from "koa-helmet";
import mount from "koa-mount";
import enforceHttps, {
httpsResolver,
xForwardedProtoResolver,
} from "koa-sslify";
import env from "@server/env";
import Logger from "@server/logging/Logger";
import { initI18n } from "@server/utils/i18n";
import routes from "../routes";
import api from "../routes/api";
import auth from "../routes/auth";
const isProduction = env.ENVIRONMENT === "production";
// Construct scripts CSP based on services in use by this installation
const defaultSrc = ["'self'"];
const scriptSrc = [
"'self'",
"'unsafe-inline'",
"'unsafe-eval'",
"gist.github.com",
"www.googletagmanager.com",
"cdn.zapier.com",
];
// Allow to load assets from Vite
if (!isProduction) {
scriptSrc.push("127.0.0.1:3001");
scriptSrc.push("localhost:3001");
}
if (env.GOOGLE_ANALYTICS_ID) {
scriptSrc.push("www.google-analytics.com");
}
if (env.CDN_URL) {
scriptSrc.push(env.CDN_URL);
defaultSrc.push(env.CDN_URL);
}
export default function init(app: Koa = new Koa()): Koa {
initI18n();
if (isProduction) {
// Force redirect to HTTPS protocol unless explicitly disabled
if (env.FORCE_HTTPS) {
app.use(
enforceHttps({
resolver: (ctx) => {
if (httpsResolver(ctx)) {
return true;
}
return xForwardedProtoResolver(ctx);
},
})
);
} else {
Logger.warn("Enforced https was disabled with FORCE_HTTPS env variable");
}
// trust header fields set by our proxy. eg X-Forwarded-For
app.proxy = true;
}
app.use(mount("/auth", auth));
app.use(mount("/api", api));
// Sets common security headers by default, such as no-sniff, hsts, hide powered
// by etc, these are applied after auth and api so they are only returned on
// standard non-XHR accessed routes
app.use(
contentSecurityPolicy({
directives: {
defaultSrc,
scriptSrc,
styleSrc: [
"'self'",
"'unsafe-inline'",
"github.githubassets.com",
"cdn.zapier.com",
],
imgSrc: ["*", "data:", "blob:"],
frameSrc: ["*", "data:"],
connectSrc: ["*"], // Do not use connect-src: because self + websockets does not work in
// Safari, ref: https://bugs.webkit.org/show_bug.cgi?id=201591
},
})
);
// Allow DNS prefetching for performance, we do not care about leaking requests
// to our own CDN's
app.use(
dnsPrefetchControl({
allow: true,
})
);
app.use(
referrerPolicy({
policy: "no-referrer",
})
);
app.use(mount(routes));
return app;
}