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