191 lines
4.5 KiB
PHP
191 lines
4.5 KiB
PHP
<?php
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/*
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Bizou - a (french) KISS php image gallery
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Copyright (C) 2010 Marc MAURICE
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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$bizouRootFromHere = '../..';
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require "$bizouRootFromHere/config.php";
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$simpleImagePath = $_SERVER["PATH_INFO"];
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if ($simpleImagePath == '/') $simpleImagePath = '';
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// extra security check to avoid /photos/index/../.. like urls, maybe useless but..
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if (strpos($simpleImagePath, '..') !== false) die(".. found in url");
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if (! is_file("$bizouRootFromHere/".IMAGES_DIR.$simpleImagePath)) {
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header("HTTP/1.1 404 Not Found");
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die("File Not Found");
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}
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// get all images in an array
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$images = array();
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$files = scandir("$bizouRootFromHere/".IMAGES_DIR.dirname($simpleImagePath));
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foreach ($files as $file) {
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$ext = strtolower(substr($file, -4));
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if ($ext == ".jpg" or $ext == ".png")
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$images[] = $file;
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}
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// find the image position
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$pos = array_search(basename($simpleImagePath), $images);
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if ($pos === false) die("Image not found");
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// get prev and next images
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$prevImage = '';
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$nextImage = '';
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if ($pos > 0)
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$prevImage = $images[$pos-1];
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if ($pos < sizeof($images)-1)
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$nextImage = $images[$pos+1];
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$scriptUrl = $_SERVER["SCRIPT_NAME"];
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$bizouRootUrl = dirname(dirname(dirname($scriptUrl)));
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// scriptUrl = /path/to/bizou/plugins/viewer/view.php
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// bizouRootUrl = /path/to/bizou
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// template variables
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$imageUrl = "$bizouRootUrl/".IMAGES_DIR.$simpleImagePath;
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if ($nextImage === '') {
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$nextImageUrl = '';
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$nextPageUrl = '';
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} else {
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$nextImageUrl = "$bizouRootUrl/".IMAGES_DIR.dirname($simpleImagePath)."/$nextImage";
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$nextPageUrl = dirname($_SERVER["REQUEST_URI"])."/$nextImage";
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}
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if ($prevImage === '') $prevPageUrl = '';
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else $prevPageUrl = dirname($_SERVER["REQUEST_URI"])."/$prevImage";
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$directoryUrl = "$bizouRootUrl/index.php".dirname($simpleImagePath);
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header('Content-Type: text/html; charset=utf-8');
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header('Expires: '.gmdate('D, d M Y H:i:s \G\M\T', time() + 3600));
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?>
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<html>
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<head>
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<style type="text/css">
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html, body {
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height: 100%;
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}
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body {
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margin: 0;
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text-align: center;
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background: black;
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color: white;
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}
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#theimage {
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max-width: 100%;
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max-height: 100%;
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}
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a {
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color: white;
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text-decoration: none;
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}
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#next, #previous, #up {
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position: fixed;
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font-size: 4em;
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font-weight: bold;
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}
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#up {
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top: 0;
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left: 0;
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}
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#next {
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top: 50%;
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right: -0;
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}
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#previous {
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top: 50%;
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left: 0;
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}
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img {
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border: 0;
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}
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</style>
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<?php if ($nextImageUrl !== '') { ?>
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<?php if (strpos($_SERVER['HTTP_USER_AGENT'], 'Firefox') !== false) { ?>
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<link rel="prefetch" href="<?php echo $nextImageUrl ?>" />
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<link rel="prefetch" href="<?php echo $nextPageUrl ?>" />
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<?php } else { ?>
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<script type="text/javascript">
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window.onload = function() {
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var im = new Image();
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im.src = '<?php echo $nextImageUrl ?>';
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var req = new XMLHttpRequest();
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req.open('GET', '<?php echo $nextPageUrl ?>', false);
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req.send(null);
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};
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</script>
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<?php } ?>
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<?php } ?>
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</head>
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<body>
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<a href="<?php echo $imageUrl ?>"><img src="<?php echo $imageUrl ?>" id="theimage" /></a>
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<div id="up">
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<a href="<?php echo $directoryUrl ?>" title="Back to directory">^</a>
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</div>
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<?php if ($nextPageUrl !== '') { ?>
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<div id="next">
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<a href="<?php echo $nextPageUrl ?>" title="Next image">></a>
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</div>
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<?php } ?>
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<?php if ($prevPageUrl !== '') { ?>
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<div id="previous">
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<a href="<?php echo $prevPageUrl ?>" title="Previous image"><</a>
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</div>
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<?php } ?>
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<script language="javascript">
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// keyboard navigation
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function keyup(e)
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{
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switch (e.keyCode) {
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case 37: // left
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window.location = "<?php echo $prevPageUrl ?>";
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break;
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case 39: // right
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case 32: // space
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window.location = "<?php echo $nextPageUrl ?>";
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break;
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case 38: // up (down is 40)
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window.location = "<?php echo $directoryUrl ?>";
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break;
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case 13: // enter
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window.location = "<?php echo $imageUrl ?>";
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break;
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}
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}
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if (document.addEventListener) {
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document.addEventListener("keyup", keyup, false);
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}
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</script>
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</body>
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</html>
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