Intercepts download links and opens PDFs in-browser
// ==UserScript==
// @name Unibe ILIAS PDF Viewer Bypass (Intercept Links)
// @namespace https://ilias.unibe.ch/
// @author zinchaiku
// @version 1.4
// @description Intercepts download links and opens PDFs in-browser
// @match https://ilias.unibe.ch/*
// @grant none
// @license MIT
// ==/UserScript==
(function () {
'use strict';
// Adjust selector to match your download links
document.querySelectorAll('a[href*="_download.html"]').forEach(link => {
link.addEventListener('click', function(e) {
e.preventDefault();
fetch(link.href, { credentials: 'include' })
.then(res => {
const contentType = res.headers.get('Content-Type') || '';
if (contentType.includes('pdf')) {
return res.blob().then(blob => {
const blobUrl = URL.createObjectURL(blob);
window.open(blobUrl, '_blank');
setTimeout(() => URL.revokeObjectURL(blobUrl), 60000);
});
} else {
// Not a PDF, fallback to normal navigation
window.location.href = link.href;
}
});
});
});
})();