1 import { initializeSite, isAuthPath } from "@utils/app";
2 import { getHttpBaseInternal } from "@utils/env";
3 import { ErrorPageData } from "@utils/types";
4 import type { Request, Response } from "express";
5 import { StaticRouter, matchPath } from "inferno-router";
6 import { renderToString } from "inferno-server";
7 import IsomorphicCookie from "isomorphic-cookie";
8 import { GetSite, GetSiteResponse, LemmyHttp } from "lemmy-js-client";
9 import { App } from "../../shared/components/app/app";
14 } from "../../shared/interfaces";
15 import { routes } from "../../shared/routes";
19 } from "../../shared/services/HttpService";
20 import { createSsrHtml } from "../utils/create-ssr-html";
21 import { getErrorPageData } from "../utils/get-error-page-data";
22 import { setForwardedHeaders } from "../utils/set-forwarded-headers";
24 export default async (req: Request, res: Response) => {
26 const activeRoute = routes.find(route => matchPath(req.path, route));
27 let auth: string | undefined = IsomorphicCookie.load("jwt", req);
29 const getSiteForm: GetSite = { auth };
31 const headers = setForwardedHeaders(req.headers);
32 const client = wrapClient(
33 new LemmyHttp(getHttpBaseInternal(), { fetchFunction: fetch, headers })
36 const { path, url, query } = req;
38 // Get site data first
39 // This bypasses errors, so that the client can hit the error on its own,
40 // in order to remove the jwt on the browser. Necessary for wrong jwts
41 let site: GetSiteResponse | undefined = undefined;
42 let routeData: RouteData = {};
43 let errorPageData: ErrorPageData | undefined = undefined;
44 let try_site = await client.getSite(getSiteForm);
45 if (try_site.state === "failed" && try_site.msg == "not_logged_in") {
47 "Incorrect JWT token, skipping auth so frontend can remove jwt cookie"
49 getSiteForm.auth = undefined;
51 try_site = await client.getSite(getSiteForm);
54 if (!auth && isAuthPath(path)) {
55 return res.redirect("/login");
58 if (try_site.state === "success") {
62 if (path !== "/setup" && !site.site_view.local_site.site_setup) {
63 return res.redirect("/setup");
66 if (site && activeRoute?.fetchInitialData) {
67 const initialFetchReq: InitialFetchRequest = {
75 routeData = await activeRoute.fetchInitialData(initialFetchReq);
77 } else if (try_site.state === "failed") {
78 errorPageData = getErrorPageData(new Error(try_site.msg), site);
81 const error = Object.values(routeData).find(
82 res => res.state === "failed"
83 ) as FailedRequestState | undefined;
85 // Redirect to the 404 if there's an API error
87 console.error(error.msg);
88 if (error.msg === "instance_is_private") {
89 return res.redirect(`/signup`);
91 errorPageData = getErrorPageData(new Error(error.msg), site);
95 const isoData: IsoDataOptionalSite = {
103 <StaticRouter location={url} context={isoData}>
108 const root = renderToString(wrapper);
110 res.send(await createSsrHtml(root, isoData));
112 // If an error is caught here, the error page couldn't even be rendered
114 res.statusCode = 500;
116 process.env.NODE_ENV === "development" ? err.message : "Server error"