122 lines
2.5 KiB
PHP
122 lines
2.5 KiB
PHP
<?php
|
|
|
|
$shortPath = $_SERVER["PATH_INFO"];
|
|
if ($shortPath == '/') $shortPath = '';
|
|
// extra security check to avoid /photos/index/../.. like urls, maybe useless but..
|
|
if (strpos($shortPath, '..') !== false) die(".. found in url");
|
|
|
|
$scriptPath = $_SERVER["SCRIPT_NAME"];
|
|
|
|
// get all images in an array
|
|
$images = array();
|
|
|
|
$files = scandir("images".dirname($shortPath));
|
|
foreach ($files as $file) {
|
|
$ext = strtolower(substr($file, -4));
|
|
if ($ext == ".jpg" or $ext == ".png")
|
|
$images[] = $file;
|
|
}
|
|
|
|
// find the image position
|
|
$pos = array_search(basename($shortPath), $images);
|
|
if ($pos === false) die("Image not found");
|
|
|
|
// get prev and next images
|
|
$prevImage = '';
|
|
$nextImage = '';
|
|
if ($pos > 0)
|
|
$prevImage = $images[$pos-1];
|
|
if ($pos < sizeof($images)-1)
|
|
$nextImage = $images[$pos+1];
|
|
|
|
// template variables
|
|
$imageUrl = dirname($scriptPath)."/images$shortPath";
|
|
|
|
if ($nextImage === '') {
|
|
$nextImageUrl = '';
|
|
$nextPageUrl = '';
|
|
} else {
|
|
$nextImageUrl = dirname($scriptPath)."/images".dirname($shortPath)."/$nextImage";
|
|
$nextPageUrl = dirname($_SERVER["REQUEST_URI"])."/$nextImage";
|
|
}
|
|
if ($prevImage === '') $prevPageUrl = '';
|
|
else $prevPageUrl = dirname($_SERVER["REQUEST_URI"])."/$prevImage";
|
|
|
|
$directoryUrl = dirname($_SERVER["SCRIPT_NAME"])."/index".dirname($shortPath);
|
|
|
|
header('Content-Type: text/html; charset=utf-8');
|
|
header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time() + 3600));
|
|
?>
|
|
<html>
|
|
<head>
|
|
<style type="text/css">
|
|
html, body {
|
|
height: 100%;
|
|
}
|
|
body {
|
|
margin: 0;
|
|
text-align: center;
|
|
background: black;
|
|
color: white;
|
|
}
|
|
#theimage {
|
|
max-width: 100%;
|
|
max-height: 100%;
|
|
}
|
|
a {
|
|
color: white;
|
|
text-decoration: none;
|
|
}
|
|
#next, #previous, #up {
|
|
position: fixed;
|
|
font-size: 4em;
|
|
font-weight: bold;
|
|
}
|
|
|
|
#up {
|
|
top: 0;
|
|
left: 0;
|
|
|
|
}
|
|
#next {
|
|
top: 50%;
|
|
right: -0;
|
|
|
|
}
|
|
#previous {
|
|
top: 50%;
|
|
left: 0;
|
|
}
|
|
img {
|
|
border: 0;
|
|
}
|
|
</style>
|
|
|
|
<?php if ($nextImageUrl !== '') { ?>
|
|
<link rel="prefetch" href="<?php echo $nextImageUrl ?>" />
|
|
<link rel="prefetch" href="<?php echo $nextPageUrl ?>" />
|
|
<?php } ?>
|
|
|
|
</head>
|
|
<body>
|
|
|
|
<a href="<?php echo $imageUrl ?>"><img src="<?php echo $imageUrl ?>" id="theimage" /></a>
|
|
|
|
<div id="up">
|
|
<a href="<?php echo $directoryUrl ?>" title="Back to directory">^</a>
|
|
</div>
|
|
|
|
<?php if ($nextPageUrl !== '') { ?>
|
|
<div id="next">
|
|
<a href="<?php echo $nextPageUrl ?>" title="Next image">></a>
|
|
</div>
|
|
<?php } ?>
|
|
|
|
<?php if ($prevPageUrl !== '') { ?>
|
|
<div id="previous">
|
|
<a href="<?php echo $prevPageUrl ?>" title="Previous image"><</a>
|
|
</div>
|
|
<?php } ?>
|
|
|
|
</body>
|
|
</html>
|