#! /usr/bin/env node
const compression = require("compression");
const express = require("express");
const fs = require("node:fs");
const app = express();
const instances=require("./webpage/instances.json");
const stats=require("./stats.js");
const instancenames=new Map();
for(const instance of instances){
instancenames.set(instance.name,instance);
}
app.use(compression());
fetch("https://raw.githubusercontent.com/spacebarchat/spacebarchat/master/instances/instances.json").then(_=>_.json()).then(json=>{
for(const instance of json){
if(!instancenames.has(instance.name)){
instances.push(instance);
}else{
const ofinst=instancenames.get(instance.name);
for(const key of Object.keys(instance)){
if(!ofinst[key]){
ofinst[key]=instance[key];
}
}
}
}
stats.observe(instances);
});
app.use("/getupdates",(req, res)=>{
const out=fs.statSync(`${__dirname}/webpage`);
res.send(out.mtimeMs+"");
});
const debugging=true;//Do not turn this off, the service worker is all kinds of jank as is, it'll really mess your day up if you disable this
function isembed(str){
return str.includes("discord")||str.includes("Spacebar");
}
async function getapiurls(str){
if(str.at(-1)!=="/"){
str+="/";
}
let api;
try{
const info=await fetch(`${str}/.well-known/spacebar`).then(x=>x.json());
api=info.api;
}catch{
return false;
}
const url = new URL(api);
try{
const info=await fetch(`${api}${url.pathname.includes("api") ? "" : "api"}/policies/instance/domains`).then(x=>x.json());
return{
api: info.apiEndpoint,
gateway: info.gateway,
cdn: info.cdn,
wellknown: str,
};
}catch{
return false;
}
}
async function inviteres(req,res){
let url;
if(URL.canParse(req.query.url)){
url=new URL(req.query.url);
}else{
const scheme = req.secure ? "https" : "http";
const host=`${scheme}://${req.get("Host")}`;
url=new URL(host);
}
try{
if(url.pathname.startsWith("invite")){
throw-1;
}
const code=url.pathname.split("/")[2];
let title="";
let description="";
let thumbnail="";
const urls=await getapiurls(url.searchParams.get("instance"));
await fetch(`${urls.api}/invites/${code}`,{
method: "GET"
}).then(_=>_.json()).then(json=>{
title=json.guild.name;
if(json.inviter){
description=json.inviter.username+" Has invited you to "+json.guild.name+(json.guild.description?json.guild.description+"\n":"");
}else{
description="you've been invited to "+json.guild.name+(json.guild.description?json.guild.description+"\n":"");
}
if(json.guild.icon){
thumbnail=`${urls.cdn}/icons/${json.guild.id}/${json.guild.icon}.png`;
}
});
const json={
type: "link",
version: "1.0",
title,
thumbnail,
description,
};
res.send(JSON.stringify(json));
}catch(e){
console.error(e);
const json={
type: "link",
version: "1.0",
title: "Jank Client",
thumbnail: "/logo.webp",
description: "A spacebar client that has DMs, replying and more",
url: url.toString()
};
res.send(JSON.stringify(json));
}
}
/*
function htmlEnc(s) {//https://stackoverflow.com/a/11561642
return s.replaceAll(/&/g, '&')
.replaceAll(//g, '>')
.replaceAll(/'/g, ''')
.replaceAll(/"/g, '"');
}
function strEscape(s){
return JSON.stringify(s);
}
html=
``+
``+
``+
`${htmlEnc(title)}`+
``+
``+
``+
``+
``
res.type('html');
res.send(html);
return true;
}catch(e){
console.error(e);
}
return false;
*/
app.use("/services/oembed", (req, res)=>{
inviteres(req, res);
});
app.use("/uptime",(req,res)=>{
console.log(req.query.name);
const uptime=stats.uptime[req.query.name];
console.log(req.query.name,uptime,stats.uptime);
res.send(uptime);
});
app.use("/", async (req, res)=>{
const scheme = req.secure ? "https" : "http";
const host=`${scheme}://${req.get("Host")}`;
const ref=host+req.originalUrl;
if(host&&ref){
const link=`${host}/services/oembed?url=${encodeURIComponent(ref)}`;
res.set("Link",`<${link}>; rel="alternate"; type="application/json+oembed"; title="Jank Client oEmbed format"`);
}else{
console.log(req);
}
if(req.path==="/"){
res.sendFile("./webpage/home.html", {root: __dirname});
return;
}
if(debugging&&req.path.startsWith("/service.js")){
res.send("dud");
return;
}
if(req.path.startsWith("/instances.json")){
res.send(JSON.stringify(instances));
return;
}
if(req.path.startsWith("/invite/")){
res.sendFile("./webpage/invite.html", {root: __dirname});
return;
}
if(fs.existsSync(`${__dirname}/webpage${req.path}`)){
res.sendFile(`./webpage${req.path}`, {root: __dirname});
}else if(req.path.endsWith(".js") && fs.existsSync(`${__dirname}/.dist${req.path}`)){
const dir=`./.dist${req.path}`;
res.sendFile(dir, {root: __dirname});
}else if(fs.existsSync(`${__dirname}/webpage${req.path}.html`)){
res.sendFile(`./webpage${req.path}.html`, {root: __dirname});
}else{
res.sendFile("./webpage/index.html", {root: __dirname});
}
});
const PORT = process.env.PORT || Number(process.argv[1]) || 8080;
app.listen(PORT, ()=>{});
console.log("this ran :P");
exports.getapiurls=getapiurls;