176 lines
4.5 KiB
PHP
176 lines
4.5 KiB
PHP
<?php
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define('THUMB_SIZE', 100);
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function getPreview($imgFile, $maxSize = THUMB_SIZE)
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{
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# example: data/myalbum/100.mypic.jpg
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$newImgFile = "data/".dirname($imgFile)."/".$maxSize.".".basename($imgFile);
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if (! is_file($newImgFile))
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{
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$ext = strtolower(substr($file, -4));
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if ($ext == ".jpg")
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$img = imagecreatefromjpeg($imgFile);
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else
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$img = imagecreatefrompng($imgFile);
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$w = imagesx($img);
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$h = imagesy($img);
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# don't do anything if the image is already small
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if ($w <= $maxSize and $h <= $maxSize) {
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imagedestroy($img);
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return $imgFile;
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}
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# create the thumbs directory recursively
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if (! is_dir(dirname($newImgFile))) mkdir(dirname($newImgFile), 0777, true);
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if ($w > $h) {
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$newW = $maxSize;
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$newH = $h/($w/$maxSize);
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} else {
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$newW = $w/($h/$maxSize);
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$newH = $maxSize;
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}
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$newImg = imagecreatetruecolor($newW, $newH);
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imagecopyresampled($newImg, $img, 0, 0, 0, 0, $newW, $newH, $w, $h);
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if ($ext == ".jpg")
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imagejpeg($newImg, $newImgFile);
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else
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imagepng($newImg, $newImgFile);
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imagedestroy($img);
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imagedestroy($newImg);
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}
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return dirname($_SERVER["SCRIPT_NAME"])."/".$newImgFile;
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}
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function getAlbumPreview($dir)
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{
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foreach (scandir($dir) as $file) if ($file != '.' and $file != '..') {
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$ext = strtolower(substr($file, -4));
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if ($ext == ".jpg" or $ext == ".png")
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return getPreview("$dir/$file");
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}
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return '';
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}
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$scriptUrlPath = substr($_SERVER["SCRIPT_NAME"], 0, -4); // trim .php
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// if url == http://localhost/photos/index/toto/titi, path_info == /toto/titi
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// if url == http://localhost/photos/index, path_info is not set
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// if url == http://localhost/photos/, path_info is not set
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// if path_info is not set, we are at top level, so we redirect to /photos/index/
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if (! isset($_SERVER["PATH_INFO"])) {
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header("Location: $scriptUrlPath/");
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exit();
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}
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$shortPath = $_SERVER["PATH_INFO"];
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if ($shortPath == '/') $shortPath = '';
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// extra security check to avoid /photos/index/../.. like urls, maybe useless but..
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if (strpos($shortPath, '..') !== false) die(".. found in url");
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$folders = array();
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$imageFiles = array();
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$otherFiles = array();
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$realDir = "images$shortPath";
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foreach (scandir($realDir) as $file) if ($file != '.' and $file != '..')
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{
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if (is_dir("$realDir/$file"))
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{
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$folders[] = array( "name" => $file, "link" => "$scriptUrlPath$shortPath/$file", "preview" => getAlbumPreview("$realDir/$file") );
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}
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else
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{
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$ext = strtolower(substr($file, -4));
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if ($ext == ".jpg" or $ext == ".png")
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$imageFiles[] = array( "name" => $file, "url" => getPreview("$realDir/$file"), "link" => dirname($scriptUrlPath)."/view$shortPath/$file" );
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else
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$otherFiles[] = array( "name" => $file, "link" => dirname($scriptUrlPath)."/$realDir/$file" );
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}
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}
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if (dirname($shortPath) !== '')
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$parentLink = $scriptUrlPath.dirname($shortPath);
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else
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$parentLink = "";
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?>
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<?php
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///// template starts here /////
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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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body {
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padding-top: 2em;
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}
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img {
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border: 0;
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}
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a {
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text-decoration: none;
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}
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.square {
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display: inline-block;
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}
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.image {
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width: <?php echo THUMB_SIZE ?>px;
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height: <?php echo THUMB_SIZE ?>px;
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display: table-cell;
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text-align: center;
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vertical-align: middle;
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}
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.foldername {
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height: <?php echo THUMB_SIZE ?>px;
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display: table-cell;
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vertical-align: middle;
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}
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#parentfolder {
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position: fixed;
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font-size: 4em;
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font-weight: bold;
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top: 0;
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left: 0;
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}
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</style>
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</head>
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<body>
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<?php if ($parentLink !== '') { ?>
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<div id="parentfolder"><a href="<?php echo $parentLink ?>">^</a></div>
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<?php } ?>
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<?php foreach($folders as $folder) { ?>
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<div class="folder">
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<?php if ($folder["preview"] === "") { ?>
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<a href="<?php echo $folder["link"] ?>"><?php echo $folder["name"] ?></a>
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<?php } else { ?>
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<div class="square"><div class="image"><a href="<?php echo $folder["link"] ?>"><img src="<?php echo $folder["preview"] ?>" /></a></div></div>
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<div class="square"><div class="foldername"><a href="<?php echo $folder["link"] ?>"><?php echo $folder["name"] ?></a></div></div>
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<?php } ?>
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</div>
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<?php } ?>
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<?php foreach ($imageFiles as $file) { ?>
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<div class="square"><div class="image"><a href="<?php echo $file["link"] ?>"><img src="<?php echo $file["url"] ?>" alt="<?php echo $file["name"] ?>" /></a></div></div>
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<?php } ?>
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<?php foreach ($otherFiles as $file) { ?>
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<div class="miscfile"><a href="<?php echo $file["link"] ?>"><?php echo $file["name"] ?></a></div>
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<?php } ?>
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</body>
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</html>
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