349 lines
9.7 KiB
HTML
Executable File
349 lines
9.7 KiB
HTML
Executable File
<!DOCTYPE html>
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<html>
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<head>
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<title>BigBlueButton - Guest Lobby</title>
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<meta charset="UTF-8">
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<style>
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/* vietnamese */
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@font-face {
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font-family: 'Source Sans Pro';
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font-style: normal;
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font-weight: 300;
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src: local('Source Sans Pro Light'), local('SourceSansPro-Light'),
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url('fonts/SourceSansPro/SourceSansPro-Light.woff') format('woff');
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unicode-range: U+0102-0103, U+1EA0-1EF9, U+20AB;
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}
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/* latin-ext */
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@font-face {
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font-family: 'Source Sans Pro';
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font-style: normal;
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font-weight: 300;
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src: local('Source Sans Pro Light'), local('SourceSansPro-Light'),
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url('fonts/SourceSansPro/SourceSansPro-Light.woff') format('woff');
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unicode-range: U+0100-024F, U+1E00-1EFF, U+20A0-20AB, U+20AD-20CF, U+2C60-2C7F, U+A720-A7FF;
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}
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/* latin */
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@font-face {
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font-family: 'Source Sans Pro';
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font-style: normal;
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font-weight: 300;
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src: local('Source Sans Pro Light'), local('SourceSansPro-Light'),
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url('fonts/SourceSansPro/SourceSansPro-Light.woff') format('woff');
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unicode-range: U+0000-00FF, U+0131, U+0152-0153, U+02C6, U+02DA, U+02DC, U+2000-206F, U+2074, U+20AC, U+2212, U+2215, U+E0FF, U+EFFD, U+F000;
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}
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:root {
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--enableAnimation: 1;
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}
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body {
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display: flex;
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justify-content: center;
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align-items: center;
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background: #06172A;
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height: 100vh;
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margin: 0;
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}
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#content {
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text-align: center;
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color: white;
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font-weight: bold;
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font-size: 24px;
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font-family: 'Source Sans Pro', arial, sans-serif;
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}
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#content h1 {
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font-size: 2rem;
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}
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.spinner {
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margin: 20px auto;
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font-size: 0px;
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}
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.spinner .bounce1 {
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animation-delay: -0.32s;
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}
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.spinner .bounce2 {
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animation-delay: -0.16s;
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}
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.spinner>div {
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width: 18px;
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height: 18px;
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margin: 0 5px;
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background-color: rgb(255, 255, 255);
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display: inline-block;
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border-radius: 100%;
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animation: sk-bouncedelay calc(var(--enableAnimation) * 1.4s) infinite ease-in-out both;
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}
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@-webkit-keyframes sk-bouncedelay {
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0%,
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80%,
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100% {
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-webkit-transform: scale(0)
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}
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40% {
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-webkit-transform: scale(1.0)
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}
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}
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@keyframes sk-bouncedelay {
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0%,
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80%,
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100% {
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-webkit-transform: scale(0);
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transform: scale(0);
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}
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40% {
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-webkit-transform: scale(1.0);
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transform: scale(1.0);
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}
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}
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</style>
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<script type="text/javascript">
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let messages = {};
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function _(message) {
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return messages[message];
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}
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const REDIRECT_TIMEOUT = 15000;
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const MESSAGE_TIMEOUT = 3000;
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function updateMessage(message) {
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document.querySelector('#content > p').innerHTML = message;
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}
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let lobbyMessage = '';
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function updateLobbyMessage(message) {
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if (message !== lobbyMessage) {
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lobbyMessage = message;
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if (lobbyMessage.length !== 0) {
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updateMessage(lobbyMessage);
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} else {
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updateMessage(_('app.guest.guestWait'));
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}
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}
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}
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function getSearchParam(name) {
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const params = new URLSearchParams(window.location.search);
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if (params && params.has(name)) {
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const param = params.get(name);
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return param;
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}
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return null;
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}
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async function fetchLocalizedMessages() {
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const DEFAULT_LANGUAGE = 'en';
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const LOCALES_ENDPOINT = '/html5client/locale';
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const url = new URL(`${window.location.origin}${LOCALES_ENDPOINT}`);
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const overrideLocale = getSearchParam('locale');
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url.search = overrideLocale
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? `locale=${overrideLocale}`
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: `locale=${navigator.language}&init=true`;
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document.getElementsByTagName('html')[0].lang = overrideLocale || navigator.language;
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const localesPath = 'locales';
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fetch(url)
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.then((response) => {
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if (!response.ok) {
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return false;
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}
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return response.json();
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})
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.then(({ normalizedLocale, regionDefaultLocale }) => {
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const fetchFallbackMessages = new Promise((resolve, reject) => {
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fetch(`${localesPath}/${DEFAULT_LANGUAGE}.json`)
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.then((response) => {
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if (!response.ok) {
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return reject();
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}
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return resolve(response.json());
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});
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});
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const fetchRegionMessages = new Promise((resolve) => {
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if (!regionDefaultLocale) {
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return resolve(false);
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}
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fetch(`${localesPath}/${regionDefaultLocale}.json`)
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.then((response) => {
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if (!response.ok) {
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return resolve(false);
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}
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return response.json()
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.then((jsonResponse) => resolve(jsonResponse))
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.catch(() => {
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resolve(false);
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});
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});
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});
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const fetchSpecificMessages = new Promise((resolve) => {
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if (!normalizedLocale || normalizedLocale === DEFAULT_LANGUAGE || normalizedLocale === regionDefaultLocale) {
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return resolve(false);
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}
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fetch(`${localesPath}/${normalizedLocale}.json`)
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.then((response) => {
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if (!response.ok) {
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return resolve(false);
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}
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return response.json()
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.then((jsonResponse) => resolve(jsonResponse))
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.catch(() => {
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resolve(false);
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});
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});
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});
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Promise.all([fetchFallbackMessages, fetchRegionMessages, fetchSpecificMessages])
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.then((values) => {
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let mergedMessages = Object.assign({}, values[0]);
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if (!values[1] && !values[2]) {
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normalizedLocale = DEFAULT_LANGUAGE;
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} else {
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if (values[1]) {
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mergedMessages = Object.assign(mergedMessages, values[1]);
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}
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if (values[2]) {
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mergedMessages = Object.assign(mergedMessages, values[2]);
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}
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}
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messages = mergedMessages;
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window.document.title = _('app.guest.windowTitle');
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document.querySelector('#heading').innerHTML = _('app.guest.windowTitle');
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updateMessage(_('app.guest.guestWait'));
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enableAnimation();
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try {
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const ATTEMPT_EVERY_MS = 5000;
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const ATTEMPT_LIMIT = 100;
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const sessionToken = getSearchParam('sessionToken');
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if (!sessionToken) {
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disableAnimation()
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updateMessage(_('app.guest.noSessionToken'));
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return;
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}
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pollGuestStatus(sessionToken, 0, ATTEMPT_LIMIT, ATTEMPT_EVERY_MS);
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} catch (e) {
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disableAnimation();
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console.error(e);
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updateMessage(_('app.guest.errorSeeConsole'));
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}
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})
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.catch((e) => {
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console.error(e);
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});
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});
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}
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function fetchGuestWait(sessionToken) {
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const GUEST_WAIT_ENDPOINT = '/bigbluebutton/api/guestWait';
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const url = new URL(`${window.location.origin}${GUEST_WAIT_ENDPOINT}`);
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url.search = `sessionToken=${sessionToken}&redirect=false`;
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return fetch(url, { method: 'get' });
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};
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function redirect(message, url) {
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disableAnimation();
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updateMessage(message);
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setTimeout(() => {
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window.location = url;
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}, REDIRECT_TIMEOUT);
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};
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function pollGuestStatus(token, attempt, limit, everyMs) {
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setTimeout(function () {
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if (attempt >= limit) {
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disableAnimation();
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updateMessage(_('app.guest.noModeratorResponse'));
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return;
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}
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fetchGuestWait(token)
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.then(async (resp) => await resp.json())
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.then((data) => {
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const code = data.response.returncode;
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if (code === 'FAILED') {
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return redirect(_('app.guest.' + data.response.messageKey), data.response.url);
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}
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const status = data.response.guestStatus;
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if (status === 'DENY') {
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return redirect(_('app.guest.' + data.response.messageKey), data.response.url);
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}
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if (status === 'ALLOW') {
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updateLobbyMessage(_('app.guest.allow'));
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// Timeout is required by accessibility to allow viewing of the message for a minimum of 3 seconds
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// before redirecting.
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setTimeout(() => {
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disableAnimation();
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window.location = data.response.url;
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}, MESSAGE_TIMEOUT);
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return;
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}
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updateLobbyMessage(data.response.lobbyMessage);
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return pollGuestStatus(token, attempt + 1, limit, everyMs);
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});
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}, everyMs);
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};
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function enableAnimation() {
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document.documentElement.style.setProperty('--enableAnimation', 1);
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}
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function disableAnimation() {
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document.documentElement.style.setProperty('--enableAnimation', 0);
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}
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window.onload = function () {
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fetchLocalizedMessages();
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};
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</script>
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</head>
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<body>
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<div id="content">
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<h1 id="heading">Guest Lobby</h1>
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<div class="spinner">
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<div class="bounce1"></div>
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<div class="bounce2"></div>
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<div class="bounce3"></div>
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</div>
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<p aria-live="polite">Please wait for a moderator to approve you joining the meeting.</p>
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</div>
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</body>
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</html>
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