217 lines
7.7 KiB
PHP
217 lines
7.7 KiB
PHP
<?php
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/* Copyright (C) 2021 Alexander Rosenberg
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* This file is AGPL v3. See LICENSE file for more information
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*/
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class Album {
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private const PATH_PREFIX = 'albums';
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private const THUMB_PREFIX = 'thumbnails';
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private const NUMBER_REGEX = '/^[0-9]+(\\.[0-9]+)?$/';
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private $name;
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private $title;
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private $thumbnail;
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private $images;
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private $metadata;
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function __construct($name) {
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$this->name = $name;
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if (!file_exists($this->get_path())) {
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$this->invalidate();
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} else {
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$this->read();
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}
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}
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private function read() {
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$content = file_get_contents($this->get_path() . '/data.json');
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if ($content == null) {
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$this->invalidate();
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return;
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}
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$root = json_decode($content);
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if ($root == null) {
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$this->invalidate();
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return;
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}
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$this->title = $root->{'title'};
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$this->thumbnail = $root->{'thumbnail'};
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$this->images = $root->{'images'};
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if (property_exists($root, 'metadata')) {
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$this->metadata = $root->{'metadata'};
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}
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}
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private function invalidate() {
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$this->title = null;
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$this->thumbnail = null;
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$this->images = null;
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}
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function is_valid() {
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if ($this->title == null || $this->thumbnail == null || $this->images == null) {
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return false;
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}
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if (!is_string($this->title) || !is_string($this->thumbnail) || !is_array($this->images)) {
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return false;
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}
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foreach ($this->images as $image) {
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if (!is_string($image)) {
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return false;
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}
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}
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unset($image);
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return true;
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}
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function get_name() {
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return $this->name;
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}
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function get_path() {
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return AM_OPTIONS['root'] . '/' . $this::PATH_PREFIX . '/'
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. $this->name;
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}
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function get_title() {
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return $this->title;
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}
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function get_thumbnail() {
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return $this->get_path() . '/' . $this->thumbnail;
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}
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function get_small_thumbnail() {
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return $this::THUMB_PREFIX . '/small/' . $this->get_name() . '/' . $this->thumbnail;
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}
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function get_images() {
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return $this->images;
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}
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function get_html() {
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$out = '<a href="view.php?album=' . urlencode($this->get_name()) . '" class="album-wrapper">';
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if (file_exists($this->get_thumbnail())) {
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$type = mime_content_type($this->get_thumbnail());
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}
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$category = explode('/', $type)[0];
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if (!file_exists($this->get_thumbnail())) {
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$out .= '<img class="album-thumbnail" src="missing-image-icon.svg"/>';
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} else if ($category == 'audio') {
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$out .= '<img class="album-thumbnail" src="music-icon.svg"/>';
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} else {
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$out .= '<img class="album-thumbnail" src="' . htmlspecialchars($this->get_small_thumbnail(), ENT_QUOTES | ENT_HTML5) . '"/>';
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}
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$album_len = count($this->get_images());
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if ($album_len == 1) {
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$out .= '<div class="album-length">' . $album_len . ' Image</div>';
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} else {
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$out .= '<div class="album-length">' . $album_len . ' Images</div>';
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}
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$out .= '<div class="album-title">' . htmlspecialchars($this->get_title(), ENT_QUOTES | ENT_HTML5) . '</div>';
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$out .= '</a>';
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return $out;
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}
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function get_metadata($image) {
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if ($image == null || !in_array($image, $this->images)) {
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return null;
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}
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if ($this->metadata == null || !property_exists($this->metadata, $image)) {
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return [
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'description' => '',
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'date' => '',
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'time' => '',
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'latitude' => '',
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'longitude' => ''
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];
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}
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$description = null;
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$date = null;
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$time = null;
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$lat = null;
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$lon = null;
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if (property_exists($this->metadata->{$image}, 'description')) {
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$description = $this->metadata->{$image}?->{'description'};
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}
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if (property_exists($this->metadata->{$image}, 'date')) {
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$date = $this->metadata->{$image}?->{'date'};
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}
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if (property_exists($this->metadata->{$image}, 'time')) {
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$time = $this->metadata->{$image}?->{'time'};
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}
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if (property_exists($this->metadata->{$image}, 'latitude')) {
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$lat= $this->metadata->{$image}?->{'latitude'};
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}
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if (property_exists($this->metadata->{$image}, 'longitude')) {
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$lon = $this->metadata->{$image}?->{'longitude'};
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}
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if ($lat && $lon && (preg_match($this::NUMBER_REGEX, $lat) === false || preg_match($this::NUMBER_REGEX, $lon) === false)) {
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$lat = null;
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$lon = null;
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}
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return [
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'description' => $description == null ? '' : htmlspecialchars($description, ENT_QUOTES | ENT_HTML5),
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'date' => $date == null ? '' : htmlspecialchars($date, ENT_QUOTES | ENT_HTML5),
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'time' => $time == null ? '' : htmlspecialchars($time, ENT_QUOTES | ENT_HTML5),
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'latitude' => $lat == null ? '' : htmlspecialchars($lat, ENT_QUOTES | ENT_HTML5),
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'longitude' => $lon == null ? '' : htmlspecialchars($lon, ENT_QUOTES | ENT_HTML5)
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];
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}
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function get_image_index($image) {
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for ($i = 0; $i < count($this->images); ++$i) {
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if ($image == $this->images[$i]) {
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return $i;
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}
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}
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return -1;
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}
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function get_image_entry($image) {
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if ($image == null || !in_array($image, $this->images)) {
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return null;
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}
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$index = $this->get_image_index($image);
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$rpath = $this->get_path() . '/' . $image;
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$path = htmlspecialchars($rpath);
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if (file_exists($rpath)) {
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$file_size = number_format(filesize($path));
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$rtype = mime_content_type($path);
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} else {
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$file_size = 0;
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$rtype = "Unknown";
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}
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$type = htmlspecialchars($rtype);
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$category = explode('/', $type)[0];
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$name = htmlspecialchars(basename($path));
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$metadata = $this->get_metadata($image);
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$entry = '<div class="sidebar-image-wrapper" onclick="set_main_image('
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. strval($index) . ')" ' . "data-size='$file_size' data-type='$type' data-name='$name' data-desc='"
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. $metadata['description'] . "' data-date='" . $metadata['date'] . "' data-time='" . $metadata['time'] . "' "
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. "data-lat='" . $metadata['latitude'] . "' data-lon='" . $metadata['longitude'] . "'>";
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if (!file_exists($rpath)) {
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$entry .= '<img style="display: none" class="sidebar-image" data-src="missing-image-icon.svg"/>';
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} else if ($category == 'video') {
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$thumb_name = htmlspecialchars($this->get_name() . '/' . $image);
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$entry .= '<img style="display: none" class="sidebar-image" ';
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$entry .= 'data-src="' . $thumb_name . '" ';
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$entry .= 'data-type="' . $type . '" ';
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$entry .= 'data-videopath="' . $path . '"/>';
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} else if ($category == 'audio') {
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$entry .= '<img class="sidebar-image" src="music-icon.svg" ';
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$entry .= 'data-audiotype="' . $type . '" ';
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$entry .= 'data-audiopath="' . $path . '"/>';
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} else {
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list($width, $height) = getimagesize($rpath);
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$path = htmlspecialchars($this->get_name() . '/' . $image);
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$entry .= '<img style="display: none" class="sidebar-image" data-src="' . $path . '" ' .
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'data-size="' . $width . 'x' . $height . '" />';
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}
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$entry .= '</div>';
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return $entry;
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}
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}
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?>
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