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Fixed meta refresh inside <NOSCRIPT> emulation breaking Firefox's built-in refresh blocking.

This commit is contained in:
hackademix 2018-11-17 22:56:30 +01:00
parent 24f738337b
commit 1dcbc7ebfc
1 changed files with 13 additions and 18 deletions
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31
src/content/onScriptDisabled.js
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@ -1,31 +1,26 @@
function onScriptDisabled() { function onScriptDisabled() {
let refresh = false;
for (let noscript of document.querySelectorAll("noscript")) { for (let noscript of document.querySelectorAll("noscript")) {
// force show NOSCRIPT elements content // force show NOSCRIPT elements content
let replacement = createHTMLElement("span"); let replacement = createHTMLElement("span");
replacement.innerHTML = noscript.innerHTML; replacement.innerHTML = noscript.innerHTML;
noscript.parentNode.replaceChild(replacement, noscript); noscript.parentNode.replaceChild(replacement, noscript);
// emulate meta-refresh // emulate meta-refresh
let meta = replacement.querySelector('meta[http-equiv="refresh"]'); let meta = replacement.querySelector('meta[http-equiv="refresh"]');
if (meta) { if (meta) {
let content = meta.getAttribute("content"); refresh = true;
if (content) { document.head.appendChild(meta);
let [secs, url] = content.split(/\s*;\s*url\s*=\s*/i);
let urlObj;
if (url) {
try {
urlObj = new URL(url.replace(/^(['"]?)(.+?)\1$/, '$2'), document.URL);
if (!/^https?:/.test(urlObj.protocol)) {
continue;
}
} catch (e) {
continue;
}
window.setTimeout(() => location.href = urlObj, (parseInt(secs) || 0) * 1000);
}
}
} }
} }
if (refresh) {
let html = document.documentElement.outerHTML;
window.addEventListener("load", e => {
let document = window.wrappedJSObject.document;
document.open();
document.write(html);
document.close();
});
}
{ {
let eraser = { let eraser = {
tapped: null, tapped: null,