155 lines
4.4 KiB
PHP
155 lines
4.4 KiB
PHP
<?php
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// Classes
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require_once('lib/helpers.class.php');
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require_once('lib/thumbs.class.php');
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require_once('lib/template.class.php');
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// Settings
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require('conf/config.php');
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// Prepare Some Basic Variables
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$imagedir = Helpers::end_dir($conf['fs_imagedir']);
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$thumbdir = Helpers::end_dir($conf['fs_thumbdir']);
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$imageurl = Helpers::end_dir($conf['web_imagedir']);
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$thumburl = Helpers::end_dir($conf['web_thumbdir']);
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$galleryname = $conf['gallery_name'];
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// Prepare Path Traversal Check
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$r_basedir=realpath($imagedir);
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// Get Parameters or Set Defaults
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$page = $_GET['p'] ?? $conf['defpage'];
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$slice = $_GET['s'] ?? $conf['defslice'];
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$gslice = $_GET['gs'] ?? $conf['defslice'];
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$dir = $_GET['d'] ?? $conf['defdir'];
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$sort = $_GET['so'] ?? 1;
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// Create or Load Session
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session_start();
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// Initialize Thumbnail Handler
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$t = new Thumb(Helpers::end_dir($imagedir.$dir), $thumbdir, $thumburl, 200, 200);
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// Filelist Cache Handling
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$cdir = $dir;
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if (empty($cdir))
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$cdir = '/';
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if (isset($_SESSION[$cdir])
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&& (time() - $_SESSION[$cdir]['t']) < $conf['flcache']
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&& !isset($_GET['refcache']))
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{
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$files = $_SESSION[$cdir]['f'];
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$dirs = $_SESSION[$cdir]['d'];
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} else {
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$r_imagedir = realpath($imagedir.$dir);
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if ($r_imagedir === false || strpos(Helpers::end_dir($r_imagedir), $r_basedir.DIRECTORY_SEPARATOR) !== 0) {
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print "Path Traversal Detected!";
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exit();
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}
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$tmpdirs = glob(Helpers::end_dir($imagedir.$dir).'*' , GLOB_ONLYDIR);
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if (!empty($tmpdirs)) {
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foreach ($tmpdirs as $tmpdir)
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$dirs[] = basename($tmpdir);
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$rmdirs = $dirs;
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}
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$rmdirs[] = '.';
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$rmdirs[] = '..';
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$files = array_diff(scandir($imagedir.$dir, SCANDIR_SORT_DESCENDING), $rmdirs);
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// Filter Unsupported Files
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$files = array_values(preg_grep('/.*\.(?!(webm|sh)).*/i', $files));
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$_SESSION[$cdir]['f'] = $files;
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$_SESSION[$cdir]['d'] = $dirs;
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$_SESSION[$cdir]['t'] = time();
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}
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// Apply Filters to Filelist
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$filter='';
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if (isset($_GET['f'])) {
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if ($_GET['f'] != '') {
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$tr = array('(' => '\(', ')' => '\)');
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$f = strtr($_GET['f'], $tr);
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if (!empty($files))
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$files = array_values(preg_grep('/.*'.$f.'.*/i', $files));
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if (!empty($dirs))
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$dirs = array_values(preg_grep('/.*'.$f.'.*/i', $dirs));
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$filter='&f='.$_GET['f'];
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}
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}
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// Sort and Reverse Filelist
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natcasesort($files);
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if ($sort == 1) {
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$files = array_reverse($files);
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} else {
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$files = array_values($files);
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}
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if (!empty($dirs))
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$files = array_merge($dirs, $files);
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// Get Files for current Page
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$curfiles = array_slice($files, ($page-1)*$slice ,$slice, true);
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if (!empty($curfiles)| !empty($dirs)) {
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// Prepare Generic Data for Template
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$data['galleryname'] = $galleryname;
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$data['startpage'] = $_SERVER['PHP_SELF'];
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$data['dir'] = $dir;
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$data['sort'] = $sort;
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$data['slice'] = $slice;
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$data['filter'] = $filter;
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$data['pretty_filter'] = substr($filter,3);
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$data['page'] = $page;
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$data['prev_page'] = $page - 1;
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if ($data['prev_page'] < 1)
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$data['prev_page'] = 1;
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$data['next_page'] = $page + 1;
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if ($data['next_page'] > ceil(count($files)/$slice))
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$data['next_page'] = $page;
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$data['last_page'] = ceil(count($files)/$slice);
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// Prepare Mode Specific Data and Render Template
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if ($slice > 1) {
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if (!empty($curfiles)) {
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foreach ($curfiles as $index => $image) {
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if (!empty($dirs) && in_array($image, $dirs)) {
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$data['dirs'][] = $image;
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} else {
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$tmp['n'] = $image;
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$tmp['i'] = $index+1;
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$tmp['t'] = $t->get_thumb($image);
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$data['images'][] = $tmp;
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}
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}
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if (!empty($dir)) {
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$tmpdirs = array_filter(explode(DIRECTORY_SEPARATOR, $dir));
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$tmppath = '';
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foreach($tmpdirs as $tmpdir) {
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$tmppath=$tmppath.DIRECTORY_SEPARATOR.$tmpdir;
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$data['crumbs'][$tmpdir] = $tmppath;
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}
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}
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}
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Template::view('tpl/gallery.html', $data);
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} else {
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$data['gallery_page'] = ceil($page/$gslice);
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$data['gallery_slice'] = $gslice;
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foreach ($curfiles as $index => $image) {
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$data['imageurl'] = $imageurl.$dir.'/'.$image;
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$data['imagename'] = $image;
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$data['tags'] = array_filter(explode(" ", pathinfo(trim(strstr(strtolower($image), ' - '), " -"))['filename']));
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}
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Template::view('tpl/single.html', $data);
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}
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} else {
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$data['filter'] = substr($filter,3);
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$data['script'] = $_SERVER['PHP_SELF'];
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Template::view('tpl/notfound.html', $data);
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}
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?>
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