4get/static/serverping.js

505 lines
11 KiB
JavaScript
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2023-11-07 13:04:56 +00:00
function htmlspecialchars(str){
if(str === null){
return "<i>&lt;Empty&gt;</i>";
}
var map = {
'&': '&amp;',
'<': '&lt;',
'>': '&gt;',
'"': '&quot;',
"'": '&#039;'
}
return str.replace(/[&<>"']/g, function(m){return map[m];});
}
// initialize garbage
var list = [];
var pinged_list = [];
var reqs = 0;
var errors = 0;
var sort = 0; // lower ping first
// check for instance redirect stuff
var redir = "";
var target = "/web?";
new URL(window.location.href)
.searchParams
.forEach(
function(value, key){
if(key == "target"){
target = "/" + encodeURIComponent(value) + "?";
return;
}
if(key == "npt"){ return; }
redir += encodeURIComponent(key) + "=" + encodeURIComponent(value)
}
);
if(redir != ""){
redir = target + redir;
}
var quote = document.createElement("div");
quote.className = "quote";
quote.innerHTML = 'Pinged <b>0</b> servers (<b>0</b> failed requests)';
var [div_servercount, div_failedreqs] =
quote.getElementsByTagName("b");
var noscript = document.getElementsByTagName("noscript")[0];
document.body.insertBefore(quote, noscript.nextSibling);
// create table
var table = document.createElement("table");
table.innerHTML =
'<thead>' +
'<tr>' +
'<th><div class="arrow up"></div>Ping</th>' +
'<th class="extend">Server</th>' +
'<th>Address</th>' +
'<th>Bot protection</th>' +
'<th title="Amount of legit requests processed since the last APCU cache clear (usually happens at midnight)">Real reqs (?)</th>' +
'<th title="Amount of filtered requests processed since the last APCU cache clear (usually happens at midnight)">Bot reqs (?)</th>' +
'<th>API</th>' +
'<th>Version</th>' +
'</tr>' +
'</thead>' +
'<tbody></tbody>';
document.body.insertBefore(table, quote.nextSibling);
// handle sorting clicks
var tbody = table.getElementsByTagName("tbody")[0];
var th = table.getElementsByTagName("th");
for(var i=0; i<th.length; i++){
th[i].addEventListener("click", function(event){
if(event.target.className.includes("arrow")){
var div = event.target.parentElement;
}else{
var div = event.target;
}
var arrow = div.getElementsByClassName("arrow");
var orientation = 0; // up
if(arrow.length === 0){
// delete arrow and add new one
arrow = document.getElementsByClassName("arrow");
arrow[0].remove();
arrow = document.createElement("div");
arrow.className = "arrow up";
div.insertBefore(arrow, event.target.firstChild);
}else{
// switch arrow position
if(arrow[0].className == "arrow down"){
arrow[0].className = "arrow up";
}else{
arrow[0].className = "arrow down";
orientation = 1;
}
}
switch(div.textContent.toLowerCase()){
case "ping": sort = orientation; break;
case "server": sort = 2 + orientation; break;
case "address": sort = 4 + orientation; break;
case "bot protection": sort = 6 + orientation; break;
case "real reqs (?)": sort = 8 + orientation; break;
case "bot reqs (?)": sort = 10 + orientation; break;
case "api": sort = 12 + orientation; break;
case "version": sort = 14 + orientation; break;
}
render_list();
});
}
function validate_url(url, allow_http = false){
try{
url = new URL(url);
if(
url.protocol == "https:" ||
(
(
allow_http === true ||
window.location.protocol == "http:"
) &&
url.protocol == "http:"
)
){
return true;
}
}catch(error){} // do nothing
return false;
}
function number_format(int){
return new Intl.NumberFormat().format(int);
}
window.fetch = (function(fetch) {
return function(fn, t){
const begin = Date.now();
return fetch.apply(this, arguments).then(function(response) {
response.ping = Date.now() - begin;
return response;
});
};
})(window.fetch);
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// parse initial server list
fetch_server(window.location.origin);
async function fetch_server(server){
if(!validate_url(server)){
console.warn("Invalid server URL: " + server);
return;
}
// make sure baseURL is origin
server = new URL(server).origin;
// prevent multiple fetches
for(var i=0; i<list.length; i++){
if(list[i] == server){
// serber was already fetched
console.info("Already checked server: " + server);
return;
}
}
// prevent future fetches
list.push(server);
var data = null;
try{
var payload = await fetch(
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server + "/ami4get"
);
if(payload.status !== 200){
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// endpoint is not available
errors++;
div_failedreqs.textContent = number_format(errors);
console.warn(server + ": Invalid HTTP code " + payload.status);
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return;
}
data = await payload.json();
data.server.ping = payload.ping;
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}catch(error){
errors++;
div_failedreqs.textContent = number_format(errors);
console.warn(server + ": Could not fetch or decode JSON");
return;
}
// sanitize data
if(
typeof data.status != "string" ||
data.status != "ok" ||
typeof data.server != "object" ||
!(
typeof data.server.name == "string" ||
(
typeof data.server.name == "object" &&
data.server.name === null
)
) ||
typeof data.service != "string" ||
data.service != "4get" ||
(
typeof data.server.description != "string" &&
data.server.description !== null
) ||
typeof data.server.bot_protection != "number" ||
typeof data.server.real_requests != "number" ||
typeof data.server.bot_requests != "number" ||
typeof data.server.api_enabled != "boolean" ||
typeof data.server.alt_addresses != "object" ||
typeof data.server.version != "number" ||
typeof data.instances != "object"
){
errors++;
div_failedreqs.textContent = number_format(errors);
console.warn(server + ": Malformed JSON");
return;
}
data.server.ip = server;
reqs++;
div_servercount.textContent = number_format(reqs);
var total = pinged_list.push(data) - 1;
pinged_list[total].index = total;
render_list();
// get more serbers
for(var i=0; i<data.instances.length; i++){
fetch_server(data.instances[i]);
}
}
function sorta(object, element, order){
return object.slice().sort(
function(a, b){
if(order){
return a.server[element] - b.server[element];
}
return b.server[element] - a.server[element];
}
);
}
function textsort(object, element, order){
var sort = object.slice().sort(
function(a, b){
return a.server[element].localeCompare(b.server[element]);
}
);
if(!order){
return sort.reverse();
}
return sort;
}
function render_list(){
var sorted_list = [];
// sort
var filter = Boolean(sort % 2);
switch(sort){
case 0:
case 1:
sorted_list = sorta(pinged_list, "ping", filter === true ? false : true);
break;
case 2:
case 3:
sorted_list = textsort(pinged_list, "name", filter === true ? false : true);
break;
case 4:
case 5:
sorted_list = textsort(pinged_list, "ip", filter === true ? false : true);
break;
case 6:
case 7:
sorted_list = sorta(pinged_list, "bot_protection", filter === true ? false : true);
break;
case 8:
case 9:
sorted_list = sorta(pinged_list, "real_requests", filter);
break;
case 10:
case 11:
sorted_list = sorta(pinged_list, "bot_requests", filter);
break;
case 12:
case 13:
sorted_list = sorta(pinged_list, "api_enabled", filter);
break;
case 14:
case 15:
sorted_list = sorta(pinged_list, "version", filter);
break;
}
// render tabloid
var html = "";
for(var k=0; k<sorted_list.length; k++){
html += '<tr onclick="show_server(' + sorted_list[k].index + ');">';
for(var i=0; i<8; i++){
html += '<td';
switch(i){
case 0: // server ping
if(sorted_list[k].server.ping <= 100){
html += '><span style="color:var(--green);">' + sorted_list[k].server.ping + '</span>';
break;
}
if(sorted_list[k].server.ping <= 200){
html += '><span style="color:var(--yellow);">' + sorted_list[k].server.ping + '</span>';
break;
}
html += '><span style="color:var(--red);">' + number_format(sorted_list[k].server.ping) + '</span>';
break;
// server name
case 1: html += ' class="extend">' + htmlspecialchars(sorted_list[k].server.name); break;
case 2: html += '>' + htmlspecialchars(new URL(sorted_list[k].server.ip).host); break;
case 3: // bot protection
switch(sorted_list[k].server.bot_protection){
case 0:
html += '><span style="color:var(--green);">Disabled</span>';
break;
case 1:
html += '><span style="color:var(--yellow);">Image captcha</span>';
break;
case 2:
html += '><span style="color:var(--red);">Invite only</span>';
break;
default:
html += '>Unknown';
}
break;
case 4: // real reqs
html += '>' + number_format(sorted_list[k].server.real_requests);
break;
case 5: // bot reqs
html += '>' + number_format(sorted_list[k].server.bot_requests);
break;
case 6: // api enabled
if(sorted_list[k].server.api_enabled){
html += '><span style="color:var(--green);">Yes</span>';
}else{
html += '><span style="color:var(--red);">No</span>';
}
break;
// version
case 7: html += ">v" + sorted_list[k].server.version; break;
}
html += '</td>';
}
html += '</tr>';
}
tbody.innerHTML = html;
}
var popup_bg = document.getElementById("popup-bg");
var popup_wrapper = document.getElementsByClassName("popup-wrapper")[0];
var popup = popup_wrapper.getElementsByClassName("popup")[0];
var popup_shown = false;
popup_bg.addEventListener("click", function(){
popup_wrapper.style.display = "none";
popup_bg.style.display = "none";
});
function show_server(serverid){
var html =
'<h2>' + htmlspecialchars(pinged_list[serverid].server.name) + '</h2>' +
'Description' +
'<div class="code">' + htmlspecialchars(pinged_list[serverid].server.description) + '</div>';
var url_obj = new URL(pinged_list[serverid].server.ip);
var url = htmlspecialchars(url_obj.origin);
var domain = url_obj.hostname;
html +=
'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>' +
'<br><br>Alt addresses:';
var len = pinged_list[serverid].server.alt_addresses.length;
if(len === 0){
html += ' <i>&lt;Empty&gt;</i>';
}else{
html += '<ul>';
for(var i=0; i<len; i++){
var url_obj = new URL(pinged_list[serverid].server.alt_addresses[i]);
var url = htmlspecialchars(url_obj.origin);
var domain = url_obj.hostname;
if(validate_url(pinged_list[serverid].server.alt_addresses[i], true)){
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>';
}else{
console.warn(pinged_list[serverid].server.ip + ": Invalid peer URL => " + pinged_list[serverid].server.alt_addresses[i]);
}
}
html += '</ul>';
}
popup.innerHTML = html;
popup_wrapper.style.display = "block";
popup_bg.style.display = "block";
}
function hide_server(){
popup_wrapper.style.display = "none";
popup_bg.style.display = "none";
}