505 lines
11 KiB
JavaScript
505 lines
11 KiB
JavaScript
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function htmlspecialchars(str){
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if(str === null){
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return "<i><Empty></i>";
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}
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var map = {
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'&': '&',
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'<': '<',
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'>': '>',
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'"': '"',
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"'": '''
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}
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return str.replace(/[&<>"']/g, function(m){return map[m];});
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}
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// initialize garbage
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var list = [];
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var pinged_list = [];
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var reqs = 0;
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var errors = 0;
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var sort = 0; // lower ping first
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// check for instance redirect stuff
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var redir = "";
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var target = "/web?";
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new URL(window.location.href)
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.searchParams
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.forEach(
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function(value, key){
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if(key == "target"){
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target = "/" + encodeURIComponent(value) + "?";
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return;
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}
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if(key == "npt"){ return; }
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redir += encodeURIComponent(key) + "=" + encodeURIComponent(value)
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}
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);
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if(redir != ""){
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redir = target + redir;
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}
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var quote = document.createElement("div");
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quote.className = "quote";
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quote.innerHTML = 'Pinged <b>0</b> servers (<b>0</b> failed requests)';
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var [div_servercount, div_failedreqs] =
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quote.getElementsByTagName("b");
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var noscript = document.getElementsByTagName("noscript")[0];
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document.body.insertBefore(quote, noscript.nextSibling);
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// create table
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var table = document.createElement("table");
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table.innerHTML =
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'<thead>' +
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'<tr>' +
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'<th><div class="arrow up"></div>Ping</th>' +
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'<th class="extend">Server</th>' +
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'<th>Address</th>' +
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'<th>Bot protection</th>' +
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'<th title="Amount of legit requests processed since the last APCU cache clear (usually happens at midnight)">Real reqs (?)</th>' +
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'<th title="Amount of filtered requests processed since the last APCU cache clear (usually happens at midnight)">Bot reqs (?)</th>' +
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'<th>API</th>' +
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'<th>Version</th>' +
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'</tr>' +
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'</thead>' +
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'<tbody></tbody>';
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document.body.insertBefore(table, quote.nextSibling);
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// handle sorting clicks
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var tbody = table.getElementsByTagName("tbody")[0];
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var th = table.getElementsByTagName("th");
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for(var i=0; i<th.length; i++){
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th[i].addEventListener("click", function(event){
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if(event.target.className.includes("arrow")){
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var div = event.target.parentElement;
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}else{
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var div = event.target;
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}
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var arrow = div.getElementsByClassName("arrow");
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var orientation = 0; // up
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if(arrow.length === 0){
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// delete arrow and add new one
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arrow = document.getElementsByClassName("arrow");
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arrow[0].remove();
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arrow = document.createElement("div");
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arrow.className = "arrow up";
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div.insertBefore(arrow, event.target.firstChild);
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}else{
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// switch arrow position
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if(arrow[0].className == "arrow down"){
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arrow[0].className = "arrow up";
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}else{
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arrow[0].className = "arrow down";
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orientation = 1;
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}
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}
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switch(div.textContent.toLowerCase()){
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case "ping": sort = orientation; break;
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case "server": sort = 2 + orientation; break;
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case "address": sort = 4 + orientation; break;
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case "bot protection": sort = 6 + orientation; break;
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case "real reqs (?)": sort = 8 + orientation; break;
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case "bot reqs (?)": sort = 10 + orientation; break;
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case "api": sort = 12 + orientation; break;
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case "version": sort = 14 + orientation; break;
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}
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render_list();
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});
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}
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function validate_url(url, allow_http = false){
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try{
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url = new URL(url);
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if(
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url.protocol == "https:" ||
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(
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(
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allow_http === true ||
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window.location.protocol == "http:"
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) &&
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url.protocol == "http:"
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)
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){
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return true;
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}
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}catch(error){} // do nothing
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return false;
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}
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function number_format(int){
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return new Intl.NumberFormat().format(int);
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}
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window.fetch = (function(fetch) {
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return function(fn, t){
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const begin = Date.now();
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return fetch.apply(this, arguments).then(function(response) {
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response.ping = Date.now() - begin;
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return response;
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});
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};
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})(window.fetch);
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// parse initial server list
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fetch_server(window.location.origin);
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async function fetch_server(server){
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if(!validate_url(server)){
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console.warn("Invalid server URL: " + server);
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return;
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}
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// make sure baseURL is origin
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server = new URL(server).origin;
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// prevent multiple fetches
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for(var i=0; i<list.length; i++){
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if(list[i] == server){
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// serber was already fetched
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console.info("Already checked server: " + server);
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return;
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}
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}
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// prevent future fetches
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list.push(server);
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var data = null;
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try{
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var payload = await fetch(
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server + "/ami4get"
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);
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if(payload.status !== 200){
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// endpoint is not available
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errors++;
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div_failedreqs.textContent = number_format(errors);
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console.warn(server + ": Invalid HTTP code " + payload.status);
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return;
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}
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data = await payload.json();
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data.server.ping = payload.ping;
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}catch(error){
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errors++;
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div_failedreqs.textContent = number_format(errors);
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console.warn(server + ": Could not fetch or decode JSON");
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return;
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}
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// sanitize data
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if(
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typeof data.status != "string" ||
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data.status != "ok" ||
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typeof data.server != "object" ||
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!(
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typeof data.server.name == "string" ||
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(
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typeof data.server.name == "object" &&
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data.server.name === null
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)
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) ||
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typeof data.service != "string" ||
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data.service != "4get" ||
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(
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typeof data.server.description != "string" &&
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data.server.description !== null
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) ||
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typeof data.server.bot_protection != "number" ||
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typeof data.server.real_requests != "number" ||
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typeof data.server.bot_requests != "number" ||
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typeof data.server.api_enabled != "boolean" ||
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typeof data.server.alt_addresses != "object" ||
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typeof data.server.version != "number" ||
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typeof data.instances != "object"
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){
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errors++;
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div_failedreqs.textContent = number_format(errors);
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console.warn(server + ": Malformed JSON");
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return;
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}
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data.server.ip = server;
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reqs++;
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div_servercount.textContent = number_format(reqs);
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var total = pinged_list.push(data) - 1;
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pinged_list[total].index = total;
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render_list();
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// get more serbers
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for(var i=0; i<data.instances.length; i++){
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fetch_server(data.instances[i]);
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}
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}
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function sorta(object, element, order){
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return object.slice().sort(
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function(a, b){
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if(order){
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return a.server[element] - b.server[element];
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}
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return b.server[element] - a.server[element];
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}
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);
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}
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function textsort(object, element, order){
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var sort = object.slice().sort(
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function(a, b){
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return a.server[element].localeCompare(b.server[element]);
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}
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);
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if(!order){
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return sort.reverse();
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}
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return sort;
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}
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function render_list(){
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var sorted_list = [];
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// sort
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var filter = Boolean(sort % 2);
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switch(sort){
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case 0:
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case 1:
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sorted_list = sorta(pinged_list, "ping", filter === true ? false : true);
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break;
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case 2:
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case 3:
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sorted_list = textsort(pinged_list, "name", filter === true ? false : true);
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break;
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case 4:
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case 5:
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sorted_list = textsort(pinged_list, "ip", filter === true ? false : true);
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break;
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case 6:
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case 7:
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sorted_list = sorta(pinged_list, "bot_protection", filter === true ? false : true);
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break;
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case 8:
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case 9:
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sorted_list = sorta(pinged_list, "real_requests", filter);
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break;
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case 10:
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case 11:
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sorted_list = sorta(pinged_list, "bot_requests", filter);
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break;
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case 12:
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case 13:
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sorted_list = sorta(pinged_list, "api_enabled", filter);
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break;
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case 14:
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case 15:
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sorted_list = sorta(pinged_list, "version", filter);
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break;
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}
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// render tabloid
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var html = "";
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for(var k=0; k<sorted_list.length; k++){
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html += '<tr onclick="show_server(' + sorted_list[k].index + ');">';
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for(var i=0; i<8; i++){
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html += '<td';
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switch(i){
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case 0: // server ping
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if(sorted_list[k].server.ping <= 100){
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html += '><span style="color:var(--green);">' + sorted_list[k].server.ping + '</span>';
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break;
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}
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if(sorted_list[k].server.ping <= 200){
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html += '><span style="color:var(--yellow);">' + sorted_list[k].server.ping + '</span>';
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break;
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}
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html += '><span style="color:var(--red);">' + number_format(sorted_list[k].server.ping) + '</span>';
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break;
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// server name
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case 1: html += ' class="extend">' + htmlspecialchars(sorted_list[k].server.name); break;
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case 2: html += '>' + htmlspecialchars(new URL(sorted_list[k].server.ip).host); break;
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case 3: // bot protection
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switch(sorted_list[k].server.bot_protection){
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case 0:
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html += '><span style="color:var(--green);">Disabled</span>';
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break;
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case 1:
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html += '><span style="color:var(--yellow);">Image captcha</span>';
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break;
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case 2:
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html += '><span style="color:var(--red);">Invite only</span>';
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break;
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default:
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html += '>Unknown';
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}
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break;
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case 4: // real reqs
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html += '>' + number_format(sorted_list[k].server.real_requests);
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break;
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case 5: // bot reqs
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html += '>' + number_format(sorted_list[k].server.bot_requests);
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break;
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case 6: // api enabled
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if(sorted_list[k].server.api_enabled){
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html += '><span style="color:var(--green);">Yes</span>';
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}else{
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html += '><span style="color:var(--red);">No</span>';
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}
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break;
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// version
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case 7: html += ">v" + sorted_list[k].server.version; break;
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}
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html += '</td>';
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}
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html += '</tr>';
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}
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tbody.innerHTML = html;
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}
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var popup_bg = document.getElementById("popup-bg");
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var popup_wrapper = document.getElementsByClassName("popup-wrapper")[0];
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var popup = popup_wrapper.getElementsByClassName("popup")[0];
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var popup_shown = false;
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popup_bg.addEventListener("click", function(){
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popup_wrapper.style.display = "none";
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popup_bg.style.display = "none";
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});
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function show_server(serverid){
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var html =
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'<h2>' + htmlspecialchars(pinged_list[serverid].server.name) + '</h2>' +
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'Description' +
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'<div class="code">' + htmlspecialchars(pinged_list[serverid].server.description) + '</div>';
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var url_obj = new URL(pinged_list[serverid].server.ip);
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var url = htmlspecialchars(url_obj.origin);
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var domain = url_obj.hostname;
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html +=
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'URL: <a rel="noreferer" target="_BLANK" href="' + url + redir + '">' + url + '</a> <a rel="noreferer" target="_BLANK" href="https://browserleaks.com/ip/' + encodeURIComponent(domain) + '">(IP lookup)</a>' +
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'<br><br>Alt addresses:';
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var len = pinged_list[serverid].server.alt_addresses.length;
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if(len === 0){
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html += ' <i><Empty></i>';
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}else{
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html += '<ul>';
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for(var i=0; i<len; i++){
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var url_obj = new URL(pinged_list[serverid].server.alt_addresses[i]);
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var url = htmlspecialchars(url_obj.origin);
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var domain = url_obj.hostname;
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if(validate_url(pinged_list[serverid].server.alt_addresses[i], true)){
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html += '<li><a rel="noreferer" href="' + url + redir + '" target="_BLANK">' + url + '</a> <a rel="noreferer" target="_BLANK" href="https://browserleaks.com/ip/' + encodeURIComponent(domain) + '">(IP lookup)</a></li>';
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}else{
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console.warn(pinged_list[serverid].server.ip + ": Invalid peer URL => " + pinged_list[serverid].server.alt_addresses[i]);
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}
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}
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html += '</ul>';
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}
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popup.innerHTML = html;
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popup_wrapper.style.display = "block";
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popup_bg.style.display = "block";
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}
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function hide_server(){
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popup_wrapper.style.display = "none";
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popup_bg.style.display = "none";
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}
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