-import serialize from "serialize-javascript";
+import { None, Option } from "@sniptt/monads";
+import { serialize as serializeO } from "class-transformer";
import express from "express";
-import { StaticRouter } from "inferno-router";
+import fs from "fs";
+import { IncomingHttpHeaders } from "http";
+import { Helmet } from "inferno-helmet";
+import { matchPath, StaticRouter } from "inferno-router";
import { renderToString } from "inferno-server";
-import { matchPath } from "inferno-router";
+import IsomorphicCookie from "isomorphic-cookie";
+import { GetSite, GetSiteResponse, LemmyHttp, toOption } from "lemmy-js-client";
import path from "path";
-import { App } from "../shared/components/app";
+import process from "process";
+import serialize from "serialize-javascript";
+import { App } from "../shared/components/app/app";
+import { SYMBOLS } from "../shared/components/common/symbols";
+import { httpBaseInternal } from "../shared/env";
import {
ILemmyConfig,
InitialFetchRequest,
IsoData,
} from "../shared/interfaces";
import { routes } from "../shared/routes";
-import IsomorphicCookie from "isomorphic-cookie";
-import { GetSite, GetSiteResponse, LemmyHttp } from "lemmy-js-client";
-import process from "process";
-import { Helmet } from "inferno-helmet";
-import { initializeSite } from "../shared/initialize";
-import { httpUri } from "../shared/env";
-import { IncomingHttpHeaders } from "http";
-import { setOptionalAuth } from "../shared/utils";
+import { initializeSite } from "../shared/utils";
const server = express();
-const hostname = process.env['LEMMY_UI_HOST'] || 'localhost'
-const port = process.env['LEMMY_UI_PORT'] || 1234;
+const [hostname, port] = process.env["LEMMY_UI_HOST"]
+ ? process.env["LEMMY_UI_HOST"].split(":")
+ : ["0.0.0.0", "1234"];
+const extraThemesFolder =
+ process.env["LEMMY_UI_EXTRA_THEMES_FOLDER"] || "./extra_themes";
+
+if (!process.env["LEMMY_UI_DISABLE_CSP"]) {
+ server.use(function (_req, res, next) {
+ res.setHeader(
+ "Content-Security-Policy",
+ `default-src 'none'; connect-src *; img-src * data:; script-src 'self' 'unsafe-inline' 'unsafe-eval'; style-src 'self' 'unsafe-inline'; form-action 'self'; base-uri 'self'`
+ );
+ next();
+ });
+}
+const customHtmlHeader = process.env["LEMMY_UI_CUSTOM_HTML_HEADER"] || "";
server.use(express.json());
server.use(express.urlencoded({ extended: false }));
server.use("/static", express.static(path.resolve("./dist")));
-// server.use(cookieParser());
+const robotstxt = `User-Agent: *
+Disallow: /login
+Disallow: /settings
+Disallow: /create_community
+Disallow: /create_post
+Disallow: /create_private_message
+Disallow: /inbox
+Disallow: /setup
+Disallow: /admin
+Disallow: /password_change
+Disallow: /search/
+`;
-server.get("/*", async (req, res) => {
- const activeRoute = routes.find(route => matchPath(req.path, route)) || {};
- const context = {} as any;
- let auth: string = IsomorphicCookie.load("jwt", req);
+server.get("/robots.txt", async (_req, res) => {
+ res.setHeader("content-type", "text/plain; charset=utf-8");
+ res.send(robotstxt);
+});
- let getSiteForm: GetSite = {};
- setOptionalAuth(getSiteForm, auth);
+server.get("/css/themes/:name", async (req, res) => {
+ res.contentType("text/css");
+ const theme = req.params.name;
+ if (!theme.endsWith(".css")) {
+ res.send("Theme must be a css file");
+ }
- let promises: Promise<any>[] = [];
+ const customTheme = path.resolve(`./${extraThemesFolder}/${theme}`);
+ if (fs.existsSync(customTheme)) {
+ res.sendFile(customTheme);
+ } else {
+ const internalTheme = path.resolve(`./dist/assets/css/themes/${theme}`);
+ res.sendFile(internalTheme);
+ }
+});
- let headers = setForwardedHeaders(req.headers);
+function buildThemeList(): string[] {
+ let themes = [
+ "litera",
+ "materia",
+ "minty",
+ "solar",
+ "united",
+ "cyborg",
+ "darkly",
+ "darkly-red",
+ "journal",
+ "sketchy",
+ "vaporwave",
+ "vaporwave-dark",
+ "i386",
+ "litely",
+ "litely-red",
+ "nord",
+ ];
+ if (fs.existsSync(extraThemesFolder)) {
+ let dirThemes = fs.readdirSync(extraThemesFolder);
+ let cssThemes = dirThemes
+ .filter(d => d.endsWith(".css"))
+ .map(d => d.replace(".css", ""));
+ themes.push(...cssThemes);
+ }
+ return themes;
+}
- let initialFetchReq: InitialFetchRequest = {
- client: new LemmyHttp(httpUri, headers),
- auth,
- path: req.path,
- };
+server.get("/css/themelist", async (_req, res) => {
+ res.type("json");
+ res.send(JSON.stringify(buildThemeList()));
+});
- // Get site data first
- // This bypasses errors, so that the client can hit the error on its own,
- // in order to remove the jwt on the browser. Necessary for wrong jwts
- let try_site: any = await initialFetchReq.client.getSite(getSiteForm);
- if (try_site.error == "not_logged_in") {
- console.error(
- "Incorrect JWT token, skipping auth so frontend can remove jwt cookie"
- );
- delete getSiteForm.auth;
- delete initialFetchReq.auth;
- try_site = await initialFetchReq.client.getSite(getSiteForm);
- }
- let site: GetSiteResponse = try_site;
- initializeSite(site);
+// server.use(cookieParser());
+server.get("/*", async (req, res) => {
+ try {
+ const activeRoute = routes.find(route => matchPath(req.path, route)) || {};
+ const context = {} as any;
+ let auth: Option<string> = toOption(IsomorphicCookie.load("jwt", req));
- if (activeRoute.fetchInitialData) {
- promises.push(...activeRoute.fetchInitialData(initialFetchReq));
- }
+ let getSiteForm = new GetSite({ auth });
- let routeData = await Promise.all(promises);
+ let promises: Promise<any>[] = [];
- // Redirect to the 404 if there's an API error
- if (routeData[0] && routeData[0].error) {
- let errCode = routeData[0].error;
- return res.redirect(`/404?err=${errCode}`);
- }
+ let headers = setForwardedHeaders(req.headers);
- let acceptLang = req.headers["accept-language"]
- ? req.headers["accept-language"].split(",")[0]
- : "en";
- let lang = site.my_user
- ? site.my_user.local_user.lang == "browser"
- ? acceptLang
- : "en"
- : acceptLang;
-
- let isoData: IsoData = {
- path: req.path,
- site_res: site,
- routeData,
- lang,
- };
+ let initialFetchReq: InitialFetchRequest = {
+ client: new LemmyHttp(httpBaseInternal, headers),
+ auth,
+ path: req.path,
+ };
- const wrapper = (
- <StaticRouter location={req.url} context={isoData}>
- <App siteRes={isoData.site_res} />
- </StaticRouter>
- );
- if (context.url) {
- return res.redirect(context.url);
- }
+ // Get site data first
+ // This bypasses errors, so that the client can hit the error on its own,
+ // in order to remove the jwt on the browser. Necessary for wrong jwts
+ let try_site: any = await initialFetchReq.client.getSite(getSiteForm);
+ if (try_site.error == "not_logged_in") {
+ console.error(
+ "Incorrect JWT token, skipping auth so frontend can remove jwt cookie"
+ );
+ getSiteForm.auth = None;
+ initialFetchReq.auth = None;
+ try_site = await initialFetchReq.client.getSite(getSiteForm);
+ }
+ let site: GetSiteResponse = try_site;
+ initializeSite(site);
+
+ if (activeRoute.fetchInitialData) {
+ promises.push(...activeRoute.fetchInitialData(initialFetchReq));
+ }
- const cspHtml = (
- <meta
- http-equiv="Content-Security-Policy"
- content="default-src data: 'self'; connect-src * ws: wss:; frame-src *; img-src * data:; script-src 'self'; style-src 'self' 'unsafe-inline'; manifest-src 'self'"
- />
- );
+ let routeData = await Promise.all(promises);
- const root = renderToString(wrapper);
- const cspStr = process.env.LEMMY_EXTERNAL_HOST ? renderToString(cspHtml) : "";
- const helmet = Helmet.renderStatic();
+ // Redirect to the 404 if there's an API error
+ if (routeData[0] && routeData[0].error) {
+ let errCode = routeData[0].error;
+ console.error(errCode);
+ if (errCode == "instance_is_private") {
+ return res.redirect(`/signup`);
+ } else {
+ return res.send(`404: ${removeAuthParam(errCode)}`);
+ }
+ }
- const config: ILemmyConfig = { wsHost: process.env.LEMMY_WS_HOST };
+ let isoData: IsoData = {
+ path: req.path,
+ site_res: site,
+ routeData,
+ };
- res.send(`
+ const wrapper = (
+ <StaticRouter location={req.url} context={isoData}>
+ <App />
+ </StaticRouter>
+ );
+ if (context.url) {
+ return res.redirect(context.url);
+ }
+
+ const eruda = (
+ <>
+ <script src="//cdn.jsdelivr.net/npm/eruda"></script>
+ <script>eruda.init();</script>
+ </>
+ );
+ const erudaStr = process.env["LEMMY_UI_DEBUG"] ? renderToString(eruda) : "";
+ const root = renderToString(wrapper);
+ const symbols = renderToString(SYMBOLS);
+ const helmet = Helmet.renderStatic();
+
+ const config: ILemmyConfig = { wsHost: process.env.LEMMY_UI_LEMMY_WS_HOST };
+
+ res.send(`
<!DOCTYPE html>
<html ${helmet.htmlAttributes.toString()} lang="en">
<head>
- <script>window.isoData = ${serialize(isoData)}</script>
+ <script>window.isoData = ${serializeO(isoData)}</script>
<script>window.lemmyConfig = ${serialize(config)}</script>
+ <!-- A remote debugging utility for mobile -->
+ ${erudaStr}
+
+ <!-- Custom injected script -->
+ ${customHtmlHeader}
+
${helmet.title.toString()}
${helmet.meta.toString()}
<meta charset="utf-8">
<meta name="viewport" content="width=device-width, initial-scale=1, shrink-to-fit=no">
- <!-- Content Security Policy -->
- ${cspStr}
-
<!-- Web app manifest -->
<link rel="manifest" href="/static/assets/manifest.webmanifest">
<!-- Current theme and more -->
${helmet.link.toString()}
+
+ <!-- Icons -->
+ ${symbols}
+
</head>
<body ${helmet.bodyAttributes.toString()}>
</body>
</html>
`);
+ } catch (err) {
+ console.error(err);
+ return res.send(`404: ${removeAuthParam(err)}`);
+ }
});
server.listen(Number(port), hostname, () => {
console.log(`http://${hostname}:${port}`);
});
-function setForwardedHeaders(
- headers: IncomingHttpHeaders
-): { [key: string]: string } {
+function setForwardedHeaders(headers: IncomingHttpHeaders): {
+ [key: string]: string;
+} {
let out = {
host: headers.host,
};
console.info("Interrupted");
process.exit(0);
});
+
+function removeAuthParam(err: any): string {
+ return removeParam(err.toString(), "auth");
+}
+
+function removeParam(url: string, parameter: string): string {
+ return url
+ .replace(new RegExp("[?&]" + parameter + "=[^&#]*(#.*)?$"), "$1")
+ .replace(new RegExp("([?&])" + parameter + "=[^&]*&"), "$1");
+}
projects / lemmy-ui.git / blobdiff