Revela-v4/src/components/ProxyRegistrar.astro

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Text

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