268 lines
10 KiB
Text
268 lines
10 KiB
Text
<script>
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import { initTransport, loadSelectedTransportScript } from "./ts/TransportManager";
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loadSelectedTransportScript();
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let form = document.querySelector("form");
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let input = document.querySelector("input");
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document.addEventListener("astro:after-swap", initForm);
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function initForm() {
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let formEle = document.querySelector("form");
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input = document.querySelector("input");
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if (formEle) formEle.addEventListener("submit", formEventListener);
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}
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if (form) {
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form.addEventListener("submit", formEventListener);
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}
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setInterval(() => {
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let iframe = document.getElementById("proxy-frame") as HTMLIFrameElement;
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if (iframe && iframe.src != "") {
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updateProxiedFavicon(iframe);
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updateTopbarTitle(iframe);
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}
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}, 500);
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async function getProxyURL() {
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let preference = getProxyPreference();
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let url = input!.value.trim();
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if (!isUrl(url)) url = getSearchEngine() + url;
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else if (!(url.startsWith("https://") || url.startsWith("http://"))) url = "http://" + url;
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if (preference === "ultraviolet") {
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return window.__uv$config.prefix + window.__uv$config.encodeUrl(url);
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} else if (preference == "rammerhead") {
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// Check if rammerhead-session exists in cookies
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let rammerheadSession = getCookie("rammerhead-session");
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if (!rammerheadSession) {
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let session = await fetch("/newsession");
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let sessionID = await session.text();
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await fetch("/editsession?id=" + sessionID + "&enableShuffling=0");
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// Now save it in a cookie that expires in 72 hours.
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document.cookie = `rammerhead-session=${sessionID}; max-age=${60 * 60 * 72}; path=/`;
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// Now add an origin_proxy cookie for our domain
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document.cookie = `origin_proxy=${window.location.origin}; max-age=${60 * 60 * 72}; path=/`;
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}
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return `/${getCookie("rammerhead-session")}/${url}`;
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} else {
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// Default to UV
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return window.__uv$config.prefix + window.__uv$config.encodeUrl(url);
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}
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}
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async function loadContent() {
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await initTransport();
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// The setTimeout is because service workers are a little silly and can take a while longer to register despite .then being called, which causes a bug on the first load.
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setTimeout(async () => {
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let openWith = localStorage.getItem("alu__selectedOpenWith");
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let currentProxy = localStorage.getItem("alu__selectedProxy");
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let url = input!.value.trim();
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if (!isUrl(url)) url = getSearchEngine() + url;
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else if (!(url.startsWith("https://") || url.startsWith("http://"))) url = "http://" + url;
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if (openWith) {
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let openWithParsed = JSON.parse(openWith);
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if (
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openWithParsed.value === "newTab" ||
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(currentProxy && JSON.parse(currentProxy).value === "rammerhead")
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) {
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window.open(await getProxyURL(), "_blank");
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return;
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}
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if (openWithParsed.value === "about:blank") {
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// Open about:blank window and inject iframe into it
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let newWindow = window.open("about:blank", "_blank");
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let newWindowDocument = newWindow!.document;
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let iframe = newWindowDocument.createElement("iframe");
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iframe.src = await getProxyURL();
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// Inject css into the iframe
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let css = newWindowDocument.createElement("link");
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css.rel = "stylesheet";
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css.href = "/iframe.css";
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newWindowDocument.head.appendChild(css);
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newWindowDocument.body.appendChild(iframe);
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return;
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}
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}
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let loadingContent = document.getElementById("loading-content") as HTMLElement;
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if (loadingContent) loadingContent.style.opacity = "1";
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let iframe = document.getElementById("proxy-frame") as HTMLIFrameElement;
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let topbar = document.getElementById("top-bar") as HTMLDivElement;
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let closeButton = document.getElementById("close-button") as HTMLButtonElement;
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let preference = getProxyPreference();
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if (preference === "ultraviolet") {
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iframe.src = window.__uv$config.prefix + window.__uv$config.encodeUrl(url);
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} else if (preference == "rammerhead") {
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// Check if rammerhead-session exists in cookies
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let rammerheadSession = getCookie("rammerhead-session");
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if (!rammerheadSession) {
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let session = await fetch("/newsession");
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let sessionID = await session.text();
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// Disable URL shuffling on rewrite, eventually I'll try and figure out how it works, but for now, it's disabled.
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await fetch("/editsession?id=" + sessionID + "&enableShuffling=0");
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// Now save it in a cookie that expires in 72 hours.
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document.cookie = `rammerhead-session=${sessionID}; max-age=${60 * 60 * 72}; path=/`;
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// Now add an origin_proxy cookie for our domain
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document.cookie = `origin_proxy=${window.location.origin}; max-age=${60 * 60 * 72}; path=/`;
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}
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if (iframe) iframe.src = `/${getCookie("rammerhead-session")}/${url}`;
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} else {
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// Default to UV
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iframe.src = window.__uv$config.prefix + window.__uv$config.encodeUrl(url);
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}
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iframe.style.pointerEvents = "auto";
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iframe.classList.add("proxy-frame");
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document.body.appendChild(iframe);
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setTimeout(() => {
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iframeLoad(iframe, loadingContent, topbar, closeButton);
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}, 500);
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function iframeLoad(
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iframe: HTMLIFrameElement,
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loadingContent: HTMLElement,
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topbar: HTMLDivElement,
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closeButton: HTMLButtonElement
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) {
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loadingContent.style.opacity = "0";
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iframe.style.opacity = "1";
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topbar.style.opacity = "1";
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topbar.style.pointerEvents = "auto";
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document.body.style.overflow = "hidden";
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closeButton.onclick = () => {
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iframe.style.opacity = "0";
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topbar.style.opacity = "0";
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iframe.style.pointerEvents = "none";
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topbar.style.pointerEvents = "none";
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document.body.style.overflow = "auto";
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setTimeout(() => {
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iframe.src = "about:blank";
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}, 500);
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};
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}
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}, 100);
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}
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async function formEventListener(event: Event) {
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event.preventDefault();
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setTimeout(() => {
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loadContent();
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}, 200);
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}
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window.loadFormContent = loadContent;
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function isUrl(val = "") {
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if (/^http(s?):\/\//.test(val) || (val.includes(".") && val.substr(0, 1) !== " ")) return true;
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return false;
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}
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function getCookie(name: string) {
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const value = `; ${document.cookie}`;
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const parts = value.split(`; ${name}=`);
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if (parts.length === 2 && parts) {
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const lastPart = parts.pop();
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if (lastPart) {
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return lastPart.split(";").shift();
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} else {
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return null;
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}
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}
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}
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function getSearchEngine() {
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let localStorageSearchEngine = localStorage.getItem("alu__search_engine");
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if (!localStorageSearchEngine) {
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return "https://google.com/search?q=";
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}
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switch (JSON.parse(localStorage.getItem("alu__search_engine") as string).value.toLowerCase()) {
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case "google": {
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return "https://google.com/search?q=";
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}
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case "bing": {
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return "https://bing.com/search?q=d";
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}
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case "brave": {
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return "https://search.brave.com/search?q=";
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}
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case "searx": {
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let localStorageURL = localStorage.getItem("alu__searxngUrl");
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if (localStorageURL) {
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if (localStorageURL == "") return "https://searxng.site/search?q=";
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// Ugly hack to remove the trailing slash :)
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if (localStorageURL.endsWith("/")) localStorageURL = localStorageURL.slice(0, -1);
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return localStorageURL + "/search?q=";
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} else return "https://searxng.site/search?q=";
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}
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default: {
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return "https://google.com/search?q=";
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}
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}
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}
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function getProxyPreference() {
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let localStorageItem = localStorage.getItem("alu__selectedProxy");
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if (!localStorageItem) return "uv";
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switch (JSON.parse(localStorageItem).value.toLowerCase()) {
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case "ultraviolet": {
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return "ultraviolet";
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}
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case "rammerhead":
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return "rammerhead";
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case "dynamic":
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// temporary because dynamic is not implemented yet :)
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return "ultraviolet";
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default: {
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return "uv";
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}
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}
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}
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function updateProxiedFavicon(iframe: HTMLIFrameElement, hasErrored = false) {
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if (!iframe) return;
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let proxiedFavicon = document.getElementById("proxied-favicon") as HTMLImageElement;
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if (iframe) {
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if (iframe.contentDocument) {
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let favicon =
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(iframe.contentDocument.querySelector("link[rel='icon']") as HTMLLinkElement) ||
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(iframe.contentDocument.querySelector("link[rel*='icon']") as HTMLLinkElement);
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if (favicon && favicon.href) {
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let encodedHREF = encodeURIComponent(favicon.href);
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if (favicon.href.includes("data:image")) {
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proxiedFavicon.src = favicon.href;
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return;
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}
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if (proxiedFavicon.src == `${window.location.origin}/custom-favicon?url=${encodedHREF}`)
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return;
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}
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if (favicon) {
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let encodedHREF = encodeURIComponent(favicon.href);
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if (favicon.href.includes("data:image")) {
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proxiedFavicon.src = favicon.href;
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return;
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}
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proxiedFavicon.src = `/custom-favicon?url=${encodedHREF}`;
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proxiedFavicon.addEventListener("error", () => {
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proxiedFavicon.src = "/favicon.ico";
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});
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} else {
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if (proxiedFavicon.src != window.location.origin + "/favicon.ico") {
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proxiedFavicon.src = "/favicon.ico";
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}
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}
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return;
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}
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}
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}
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function updateTopbarTitle(iframe: HTMLIFrameElement) {
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if (!iframe.contentDocument) return;
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let topbarTitle = document.getElementById("url-text") as HTMLElement;
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if (iframe.contentDocument.title == "") {
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topbarTitle.innerText = "Loading...";
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} else {
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if (iframe.contentDocument.title.length > 65) {
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topbarTitle.innerText = iframe.contentDocument.title.slice(0, 65) + "...";
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return;
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}
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topbarTitle.innerText = iframe.contentDocument.title;
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}
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}
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</script>
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