public-gateway-cacher/javascript/app.js

80 lines
2.1 KiB
JavaScript

var hashToTest = "";
var protocol = "";
const $results = document.querySelector('#results');
function returnHtmlLink(gateway) {
let gatewayTitle = gateway.split(hashToTest)[0];
return '<a title="' + gatewayTitle + '" href="' + gateway + '">' + gateway + '</a>';
}
function addNode(gateway, online, title) {
const para = document.createElement('div');
let node;
if (online) {
node = document.createElement('strong');
node.innerHTML = '✅ - Online - ' + returnHtmlLink(gateway);
} else {
node = document.createElement('div');
node.innerText = '❌ - Offline - ' + gateway;
}
node.setAttribute('title', title);
para.appendChild(node);
$results.appendChild(para);
}
function updateStats(total, checked) {
document.getElementById('stats').innerText = checked + '/' + total + ' gateways checked';
}
function checkGateways(gateways) {
const total = gateways.length;
let checked = 0;
gateways.forEach((gateway) => {
gateway = gateway.replace('/ipfs/', protocol);
const gatewayAndHash = gateway.replace(':hash', hashToTest);
// opt-out from gateway redirects done by browser extension
const testUrl = gatewayAndHash + '#x-ipfs-companion-no-redirect';
fetch(testUrl)
.then(res => res.text())
.then((text) => {
const matched = true; // TODO : Check if the response is good.
addNode(gatewayAndHash, matched, matched ? 'All good' : 'Output did not match expected output');
checked++;
updateStats(total, checked);
}).catch((err) => {
window.err = err;
addNode(gatewayAndHash, false, err);
checked++;
updateStats(total, checked);
});
});
}
function start_ipfs() {
while ($results.lastChild) {
$results.removeChild($results.lastChild);
}
hashToTest = document.querySelector("#input_ipfs").value;
protocol = "/ipfs/";
fetch('./json/gateways.json')
.then(res => res.json())
.then(gateways => checkGateways(gateways));
}
function start_ipns() {
while ($results.lastChild) {
$results.removeChild($results.lastChild);
}
hashToTest = document.querySelector("#input_ipns").value;
protocol = "/ipns/";
fetch('./json/gateways.json')
.then(res => res.json())
.then(gateways => checkGateways(gateways));
}