friendica/src/Object/OEmbed.php

83 lines
2.3 KiB
PHP

<?php
/**
* @copyright Copyright (C) 2020, Friendica
*
* @license GNU AGPL version 3 or any later version
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero 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 Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <https://www.gnu.org/licenses/>.
*
*/
namespace Friendica\Object;
/**
* OEmbed data object
*
* @see https://oembed.com/#section2.3
*
* @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
class OEmbed
{
public $embed_url = '';
public $type = '';
public $title = '';
public $author_name = '';
public $author_url = '';
public $provider_name = '';
public $provider_url = '';
public $cache_age = '';
public $thumbnail_url = '';
public $thumbnail_width = '';
public $thumbnail_height = '';
public $html = '';
public $url = '';
public $width = '';
public $height = '';
public function __construct($embed_url)
{
$this->embed_url = $embed_url;
}
public function parseJSON($json_string)
{
$properties = json_decode($json_string, true);
if (empty($properties)) {
return;
}
foreach ($properties as $key => $value) {
if (in_array($key, ['thumbnail_width', 'thumbnail_height', 'width', 'height'])) {
// These values should be numbers, so ensure that they really are numbers.
$value = (int)$value;
} elseif (is_array($value)) {
// Ignoring arrays.
} elseif ($key != 'html') {
// Avoid being able to inject some ugly stuff through these fields.
$value = htmlentities($value);
} else {
/// @todo Add a way to sanitize the html as well, possibly with an <iframe>?
$value = mb_convert_encoding($value, 'HTML-ENTITIES', mb_detect_encoding($value));
}
if (property_exists(__CLASS__, $key)) {
$this->{$key} = $value;
}
}
}
}