<?php
+/*
+ Bizou - a (french) KISS php image gallery
+ Copyright (C) 2010 Marc MAURICE
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <http://www.gnu.org/licenses/>.
+*/
+
+define('IMAGES_DIR', 'images');
$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");
+if (! is_file(IMAGES_DIR.$shortPath)) {
+ header("HTTP/1.1 404 Not Found");
+ die("File Not Found");
+}
+
$scriptPath = $_SERVER["SCRIPT_NAME"];
// get all images in an array
$images = array();
-$files = scandir("images".dirname($shortPath));
+$files = scandir(IMAGES_DIR.dirname($shortPath));
foreach ($files as $file) {
$ext = strtolower(substr($file, -4));
if ($ext == ".jpg" or $ext == ".png")
$nextImage = $images[$pos+1];
// template variables
-$imageUrl = dirname($scriptPath)."/images$shortPath";
+$imageUrl = dirname($scriptPath)."/".IMAGES_DIR.$shortPath;
if ($nextImage === '') {
$nextImageUrl = '';
$nextPageUrl = '';
} else {
- $nextImageUrl = dirname($scriptPath)."/images".dirname($shortPath)."/$nextImage";
+ $nextImageUrl = dirname($scriptPath)."/".IMAGES_DIR.dirname($shortPath)."/$nextImage";
$nextPageUrl = dirname($_SERVER["REQUEST_URI"])."/$nextImage";
}
if ($prevImage === '') $prevPageUrl = '';
</style>
<?php if ($nextImageUrl !== '') { ?>
+ <?php if (strpos($_SERVER['HTTP_USER_AGENT'], 'Firefox') !== false) { ?>
<link rel="prefetch" href="<?php echo $nextImageUrl ?>" />
<link rel="prefetch" href="<?php echo $nextPageUrl ?>" />
+
+ <?php } else { ?>
+<script type="text/javascript">
+window.onload = function() {
+ var im = new Image();
+ im.src = '<?php echo $nextImageUrl ?>';
+ var req = new XMLHttpRequest();
+ req.open('GET', '<?php echo $nextPageUrl ?>', false);
+ req.send(null);
+};
+</script>
+ <?php } ?>
<?php } ?>
</head>