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Decrease redundancy by changing the way the websocket fallback is included; Adding new env var SIGNALING_SERVER to host client files but use another server for signaling.

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schlagmichdoch 2023-11-08 20:31:57 +01:00
parent cb72edef20
commit 3439e7f6d4
62 changed files with 439 additions and 10101 deletions
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45
public/scripts/util.js
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@ -37,9 +37,34 @@ if (!navigator.clipboard) {
}
}
// Polyfills
window.isRtcSupported = !!(window.RTCPeerConnection || window.mozRTCPeerConnection || window.webkitRTCPeerConnection);
window.hiddenProperty = 'hidden' in document
? 'hidden'
: 'webkitHidden' in document
? 'webkitHidden'
: 'mozHidden' in document
? 'mozHidden'
: null;
window.visibilityChangeEvent = 'visibilitychange' in document
? 'visibilitychange'
: 'webkitvisibilitychange' in document
? 'webkitvisibilitychange'
: 'mozvisibilitychange' in document
? 'mozvisibilitychange'
: null;
window.iOS = /iPad|iPhone|iPod/.test(navigator.userAgent) && !window.MSStream;
window.android = /android/i.test(navigator.userAgent);
window.isMobile = window.iOS || window.android;
// Selector shortcuts
const $ = query => document.getElementById(query);
const $$ = query => document.querySelector(query);
// Helper functions
const zipper = (() => {
let zipWriter;
@ -416,3 +441,23 @@ function changeFavicon(src) {
document.querySelector('[rel="icon"]').href = src;
document.querySelector('[rel="shortcut icon"]').href = src;
}
function arrayBufferToBase64(buffer) {
let binary = '';
let bytes = new Uint8Array(buffer);
let len = bytes.byteLength;
for (let i = 0; i < len; i++) {
binary += String.fromCharCode(bytes[i]);
}
return window.btoa( binary );
}
function base64ToArrayBuffer(base64) {
let binary_string = window.atob(base64);
let len = binary_string.length;
let bytes = new Uint8Array(len);
for (let i = 0; i < len; i++) {
bytes[i] = binary_string.charCodeAt(i);
}
return bytes.buffer;
}