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/* global sendMessage */
"use strict";
let observer;
document.addEventListener("DOMContentLoaded", () => {
const explainer = document.querySelector("[data-i18n=cancel_he_blocking_explainer]");
observer = new MutationObserver(() => {
replaceLink(explainer);
});
if (explainer.innerText.length > 0) {
replaceLink(explainer);
} else {
observer.observe(explainer, {childList: true});
}
displayURL();
});
function replaceLink(explainer) {
observer.disconnect();
const linkText = chrome.i18n.getMessage("cancel_he_blocking_network");
const link = document.createElement("a");
link.classList.add("wikilink");
link.href = "https://en.wikipedia.org/wiki/Downgrade_attack";
link.innerText = linkText;
explainer.innerHTML = explainer.innerHTML.replace(linkText, link.outerHTML);
/*
In response to translation of i18n string "cancel_he_blocking_network".
Within context of the paragraph and as a standalone string can be interpreted differently
langauge to language.
So if link fails to swap in replace, this conditional is triggered
*/
if (document.getElementsByClassName("wikilink").length === 0) {
link.innerText = linkText;
explainer.after(link);
}
}
function displayURL() {
const searchParams = new URLSearchParams(window.location.search);
const originURL = searchParams.get('originURL');
const originURLLink = document.getElementById('url-value');
const openURLButton = document.getElementById('open-url-button');
const openHttpOnce = document.getElementById('http-once-button');
const copyButton = document.getElementById('copy-url');
const url = new URL(originURL);
originURLLink.innerText = originURL;
originURLLink.href = originURL;
openURLButton.addEventListener("click", function() {
if (confirm(chrome.i18n.getMessage("cancel_open_page") + '?')) {
sendMessage("disable_on_site", url.host, () => {
window.location = originURL;
});
}
return false;
});
// Copy URL Feature on EASE
function copyLinkAlternate() {
let isSuccessful = false;
const sel = window.getSelection();
try {
sel.removeAllRanges();
const range = document.createRange();
range.selectNode(originURLLink);
sel.addRange(range);
isSuccessful = document.execCommand("copy");
sel.removeAllRanges();
return isSuccessful;
} catch (err) {
console.error(err);
sel.removeAllRanges();
return false;
}
}
async function copyLink() {
try {
await navigator.clipboard.writeText(originURL);
return true;
} catch (err) {
return copyLinkAlternate();
}
}
let restoreTimeout = null;
copyButton.addEventListener("click", async () => {
if (await copyLink()) {
copyButton.innerText = chrome.i18n.getMessage("cancel_copied_url");
if (restoreTimeout !== null) {
clearTimeout(restoreTimeout);
}
restoreTimeout = setTimeout(() => {
copyButton.innerText = chrome.i18n.getMessage("cancel_copy_url");
restoreTimeout = null;
}, 1500);
}
});
openHttpOnce.addEventListener("click", function() {
if (confirm(chrome.i18n.getMessage("cancel_http_once") + '?')) {
sendMessage("disable_on_site_once", url.host, () => {
window.location = originURL;
});
}
return false;
});
}
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