<html>
<head>
<script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.4.1/jquery.min.js"></script>
<script type="text/javascript">
function UrlExists(url, cb){
jQuery.ajax({
url: url,
dataType: 'text',
type: 'GET',
cache: false,
complete: function(xhr){
if(typeof cb === 'function')
cb.apply(this, [xhr.status]);
}
});
}
// define URLs
var internalURL = 'https://r3-core.pages.uni.lu/howto-cards-internal';
var externalURL = 'https://r3.pages.uni.lu/howto-cards';
UrlExists(internalURL+'/index.html', function(status){
var s = window.location.href;
var pathArray = s.split('?');
// cut the query if it exists
if (pathArray.length > 1) {
sub = pathArray[1];
} else {
sub = '';
}
if(status === 200){
// internal pages
if (sub.length > 0) {
UrlExists(internalURL+'/stable/internal/'+sub, function(status){
if (status == 200) { // if sub-card is internal in the internal directory and exists
window.location.href = internalURL+'/stable/internal/'+sub;
} else {
UrlExists(internalURL+'/stable/external/'+sub, function(status){
if (status == 200) { // if sub-card is internal in the external directory and exists
window.location.href = internalURL+'/stable/external/'+sub;
} else {
window.location.href = internalURL+'/stable/404.html';
}
});
}
});
} else {
UrlExists(internalURL+'/stable', function(status){
if (status == 200) { // if card is internal and exists
window.location.href = internalURL+'/stable';
} else {
window.location.href = internalURL+'/stable/404.html';
}
});
}
// external pages
} else {
if (sub.length > 0) { sub = 'external/'+sub; }
UrlExists(externalURL+'/stable/'+sub, function(status){
if (status == 200) { // if sub-car is internal and exists
window.location.href = externalURL+'/stable/'+sub;
} else {
window.location.href = externalURL+'/stable/404.html';
}
});
}
});
</script>
</head>
<body>
<p>
Please follow to <a href="https://r3.pages.uni.lu/howto-cards/stable">https://r3.pages.uni.lu/howto-cards/stable</a>!
</p>
</body>
</html>