mirror of
https://github.com/webrecorder/browsertrix-crawler.git
synced 2025-10-19 14:33:17 +00:00
2a49406df7
This adds prettier to the repo, and sets up the pre-commit hook to auto-format as well as lint. Also updates ignores files to exclude crawls, test-crawls, scratch, dist as needed.
194 lines
6 KiB
HTML
194 lines
6 KiB
HTML
<!doctype html>
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<html lang="en">
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<head>
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<!--
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noVNC example: lightweight example using minimal UI and features
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This is a self-contained file which doesn't import WebUtil or external CSS.
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Copyright (C) 2019 The noVNC Authors
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noVNC is licensed under the MPL 2.0 (see LICENSE.txt)
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This file is licensed under the 2-Clause BSD license (see LICENSE.txt).
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Connect parameters are provided in query string:
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http://example.com/?host=HOST&port=PORT&scale=true
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-->
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<title>noVNC</title>
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<meta charset="utf-8" />
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<style>
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body {
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margin: 0;
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background-color: dimgrey;
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height: 100%;
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display: flex;
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flex-direction: column;
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}
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html {
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height: 100%;
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}
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#top_bar {
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display: none;
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background-color: #6e84a3;
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color: white;
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font: bold 12px Helvetica;
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padding: 6px 5px 4px 5px;
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border-bottom: 1px outset;
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}
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#status {
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text-align: center;
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}
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#sendCtrlAltDelButton {
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display: none;
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position: fixed;
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top: 0px;
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right: 0px;
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border: 1px outset;
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padding: 5px 5px 4px 5px;
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cursor: pointer;
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}
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#screen {
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flex: 1; /* fill remaining space */
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overflow: hidden;
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}
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</style>
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<script type="module" crossorigin="anonymous">
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// RFB holds the API to connect and communicate with a VNC server
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import RFB from "./core/rfb.js";
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let rfb;
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let desktopName;
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// When this function is called we have
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// successfully connected to a server
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function connectedToServer(e) {
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status("Connected to " + desktopName);
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}
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// This function is called when we are disconnected
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function disconnectedFromServer(e) {
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if (e.detail.clean) {
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status("Disconnected, retrying...");
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setTimeout(connect, 2000);
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} else {
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status("Something went wrong, connection is closed");
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}
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}
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// When this function is called, the server requires
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// credentials to authenticate
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function credentialsAreRequired(e) {
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const password = prompt("Password Required:");
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rfb.sendCredentials({ password: password });
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}
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// When this function is called we have received
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// a desktop name from the server
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function updateDesktopName(e) {
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desktopName = e.detail.name;
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}
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// Since most operating systems will catch Ctrl+Alt+Del
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// before they get a chance to be intercepted by the browser,
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// we provide a way to emulate this key sequence.
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function sendCtrlAltDel() {
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rfb.sendCtrlAltDel();
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return false;
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}
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// Show a status text in the top bar
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function status(text) {
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document.getElementById("status").textContent = text;
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}
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// This function extracts the value of one variable from the
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// query string. If the variable isn't defined in the URL
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// it returns the default value instead.
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function readQueryVariable(name, defaultValue) {
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// A URL with a query parameter can look like this (But will most probably get logged on the http server):
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// https://www.example.com?myqueryparam=myvalue
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//
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// For privacy (Using a hastag #, the parameters will not be sent to the server)
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// the url can be requested in the following way:
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// https://www.example.com#myqueryparam=myvalue&password=secreatvalue
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//
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// Even Mixing public and non public parameters will work:
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// https://www.example.com?nonsecretparam=example.com#password=secreatvalue
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//
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// Note that we use location.href instead of location.search
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// because Firefox < 53 has a bug w.r.t location.search
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const re = new RegExp(".*[?&]" + name + "=([^&#]*)"),
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match = ""
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.concat(document.location.href, window.location.hash)
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.match(re);
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if (match) {
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// We have to decode the URL since want the cleartext value
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return decodeURIComponent(match[1]);
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}
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return defaultValue;
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}
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document.getElementById("sendCtrlAltDelButton").onclick = sendCtrlAltDel;
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// Read parameters specified in the URL query string
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// By default, use the host and port of server that served this file
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const host = readQueryVariable("host", window.location.hostname);
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let port = readQueryVariable("port", window.location.port);
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const password = readQueryVariable("password");
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const path = readQueryVariable("path", "websockify");
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// | | | | | |
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// | | | Connect | | |
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// v v v v v v
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function connect() {
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status("Connecting");
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// Build the websocket URL used to connect
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let url;
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if (window.location.protocol === "https:") {
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url = "wss";
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} else {
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url = "ws";
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}
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url += "://" + host;
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if (port) {
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url += ":" + port;
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}
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url += "/" + path;
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// Creating a new RFB object will start a new connection
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rfb = new RFB(document.getElementById("screen"), url, {
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credentials: { password: password },
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});
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// Add listeners to important events from the RFB module
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rfb.addEventListener("connect", connectedToServer);
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rfb.addEventListener("disconnect", disconnectedFromServer);
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rfb.addEventListener("credentialsrequired", credentialsAreRequired);
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rfb.addEventListener("desktopname", updateDesktopName);
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// Set parameters that can be changed on an active connection
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rfb.viewOnly = readQueryVariable("view_only", false);
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rfb.scaleViewport = readQueryVariable("scale", false);
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}
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connect();
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</script>
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</head>
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<body>
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<div id="top_bar">
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<div id="status">Loading</div>
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<div id="sendCtrlAltDelButton">Send CtrlAltDel</div>
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</div>
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<div id="screen">
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<!-- This is where the remote screen will appear -->
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</div>
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</body>
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</html>
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