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223 lines (187 loc) · 6.28 KB
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<?php
$maxlifetime = 4 * 24 * 60 * 60;
$samesite = 'none';
$secure = true;
$httponly = true;
if(PHP_VERSION_ID < 70300) {
session_set_cookie_params($maxlifetime, '/; samesite='.$samesite, $_SERVER['HTTP_HOST'], $secure, $httponly);
} else {
session_set_cookie_params([
'lifetime' => $maxlifetime,
'path' => '/',
'domain' => $_SERVER['HTTP_HOST'],
'secure' => $secure,
'httponly' => $httponly,
'samesite' => $samesite
]);
}
session_start();
$allowed_host = 'video.conf.medvc.eu';
$host = parse_url($_SERVER['HTTP_REFERER'], PHP_URL_HOST);
if(substr($host, 0 - strlen($allowed_host)) !== $allowed_host) {
// die();
}
$isSafari = false;
if (stripos( $_SERVER['HTTP_USER_AGENT'], 'Chrome') === false && stripos($_SERVER['HTTP_USER_AGENT'], 'Safari') !== false)
{
$isSafari = true;
}
if(!isset($_GET['x'])){
die();
}
$_SESSION['pass'] = $_GET['x'];
?>
<!DOCTYPE html>
<html lang="en">
<head>
<title>medVC remote presenter</title>
<meta charset="utf-8" />
<style>
body {
margin: 0;
background-color: transparent;
height: 100%;
display: flex;
flex-direction: column;
}
html {
height: 100%;
}
#top_bar {
background-color: #6e84a3;
color: white;
font: bold 12px Helvetica;
padding: 6px 5px 4px 5px;
border-bottom: 1px outset;
}
#status {
text-align: center;
}
#sendCtrlAltDelButton {
position: fixed;
top: 0px;
right: 0px;
border: 1px outset;
padding: 5px 5px 4px 5px;
cursor: pointer;
display: none;
}
#screen {
flex: 1; /* fill remaining space */
overflow: hidden;
text-align: center;
}
</style>
<?php
if (!$isSafari) {
?>
<script type="module" crossorigin="anonymous">
var slidesCount = 5;
var currentSlide = 1;
function freezButtons() {
document.getElementById('send_next_button').disabled = true;
document.getElementById('send_prev_button').disabled = true;
setTimeout(function(){
document.getElementById('send_next_button').disabled = false;
document.getElementById('send_prev_button').disabled = false;
}, 1000);
}
function showSlide() {
document.getElementById('screen').innerHTML='<img id="fake_presentation" style="max-width:100%; max-height:100%;" src="/img/test_'+currentSlide+'.png"></img>';
document.getElementById('fake_presentation')
.onclick = sendNext;
}
function sendPrev() {
currentSlide = currentSlide - 1;
if (currentSlide < 1) currentSlide = slidesCount;
showSlide();
freezButtons();
}
function sendNext() {
currentSlide = currentSlide + 1;
if (currentSlide > slidesCount) currentSlide = 1;
showSlide();
freezButtons();
}
function openFullscreen() {
let elem = document.body;
if (elem.requestFullscreen) {
elem.requestFullscreen();
} else if (elem.mozRequestFullScreen) { /* Firefox */
elem.mozRequestFullScreen();
} else if (elem.webkitRequestFullscreen) { /* Chrome, Safari and Opera */
elem.webkitRequestFullscreen();
} else if (elem.msRequestFullscreen) { /* IE/Edge */
elem.msRequestFullscreen();
}
}
function closeFullscreen() {
if (document.exitFullscreen) {
document.exitFullscreen();
} else if (document.mozCancelFullScreen) { /* Firefox */
document.mozCancelFullScreen();
} else if (document.webkitExitFullscreen) { /* Chrome, Safari and Opera */
document.webkitExitFullscreen();
} else if (document.msExitFullscreen) { /* IE/Edge */
document.msExitFullscreen();
}
}
document.addEventListener('fullscreenchange', (event) => {
let fullScreenButton = document.getElementById('full_screen_button');
if (document.fullscreenElement) {
fullScreenButton.innerText = "Close full screen";
fullScreenButton.onclick = closeFullscreen;
} else {
fullScreenButton.innerText = "Open full screen";
fullScreenButton.onclick = openFullscreen;
}
});
document.getElementById('send_prev_button')
.onclick = sendPrev;
document.getElementById('send_next_button')
.onclick = sendNext;
document.getElementById('fake_presentation')
.onclick = sendNext;
document.getElementById('full_screen_button')
.onclick = openFullscreen;
</script>
<?php
}
?>
</head>
<body>
<?php
if ($isSafari) {
?>
<div id="screen" style="text-align: center; background-color:white;">
<p>The presentation is opened in a new tab.</p>
<p>If the presentation did not open automatically, press the button below.</p>
<button id="open_button" onclick="openPresentation()">Open presentation</button>
<script type="text/javascript">
var newWin = window.open('<?php echo($_SERVER['REQUEST_SCHEME'] .'://'. $_SERVER['HTTP_HOST'] . substr(explode('?', $_SERVER['REQUEST_URI'], 2)[0], 0, -4).'_safari.php');?>', '_blank');
if (newWin) newWin.focus();
function openPresentation() {
if (newWin) newWin.close();
newWin = window.open('<?php echo($_SERVER['REQUEST_SCHEME'] .'://'. $_SERVER['HTTP_HOST'] . substr(explode('?', $_SERVER['REQUEST_URI'], 2)[0], 0, -4).'_safari.php');?>', '_blank');
}
document.getElementById('open_button').onclick = openPresentation;
document.body.onunload = function() {
if (newWin) newWin.close();
};
</script>
</div>
<?php
} else {
?>
<div id="top_bar">
<div id="status">Connected to TEST</div>
</div>
<span style="display: block; text-align: center;" ><button style="font-size: 100%; margin-right: 10px;" id="send_prev_button">Previous slide</button><button style="font-size: 100%; margin-right: 10px;" id="send_next_button">Next slide</button><button style="font-size: 100%;" id="full_screen_button">Full screen</button></span>
<div id="screen">
<img id="fake_presentation" style="max-width:100%; max-height:100%;" src="/img/test_1.png"></img>
</div>
<?php
}
?>
</body>
</html>