#! /usr/bin/env node
const compression = require('compression')
const express = require('express');
const fs = require('fs');
const app = express();
app.use(compression())
app.use("/getupdates",(req, res) => {
const out=fs.statSync(`${__dirname}/webpage`);
res.send(out.mtimeMs+"");
});
let debugging=true;//Do not turn this off, the service worker is all kinds of jank as is, it'll really mess your day up if you disable this
function isembed(str){
return str.includes("discord")||str.includes("Spacebar");
}
async function getapiurls(str){
if(str[str.length-1]!=="/"){
str+="/"
}
let api;
try{
const info=await fetch(`${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('/', 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",`<${link}>; rel="alternate"; type="application/json+oembed"; title="Jank Client oEmbed format"`);
}else{
console.log(req);
}
if(debugging&&req.path.startsWith("/service.js")){
res.send("dud");
return;
}
if(req.path.startsWith("/invite/")){
res.sendFile(`./webpage/invite.html`, {root: __dirname});
return;
}
if(fs.existsSync(`${__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${req.path}`;
res.sendFile(dir, {root: __dirname});
return;
}
else if(fs.existsSync(`${__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 || +process.argv[1] || 8080;
app.listen(PORT, () => {});
console.log("this ran :P");