<?php
/**
* @copyright Copyright (C) 2010-2022, the Friendica project
*
* @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\Module;
use Friendica\BaseModule;
use Friendica\Content;
use Friendica\DI;
use Friendica\Util\Strings;
/**
* Oembed module
*
* Displays stored embed content based on a base64 hash of a remote URL
*
* Example: /oembed/aHR0cHM6Ly9...
*
* @author Hypolite Petovan <hypolite@mrpetovan.com>
*/
class Oembed extends BaseModule
{
protected function content(array $request = []): string
{
// Unused form: /oembed/b2h?url=...
if (DI::args()->getArgv()[1] == 'b2h') {
$url = ["", trim(hex2bin($_REQUEST['url']))];
echo Content\OEmbed::replaceCallback($url);
DI::page()->logRuntime();
exit();
}
// Unused form: /oembed/h2b?text=...
if (DI::args()->getArgv()[1] == 'h2b') {
$text = trim(hex2bin($_REQUEST['text']));
echo Content\OEmbed::HTML2BBCode($text);
DI::page()->logRuntime();
exit();
}
// @TODO: Replace with parameter from router
if (DI::args()->getArgc() == 2) {
echo '<html><body>';
$url = Strings::base64UrlDecode(DI::args()->getArgv()[1]);
$j = Content\OEmbed::fetchURL($url);
// workaround for media.ccc.de (and any other endpoint that return size 0)
if (substr($j->html, 0, 7) == "<iframe" && strstr($j->html, 'width="0"')) {
$j->html = '<style>html,body{margin:0;padding:0;} iframe{width:100%;height:100%;}</style>' . $j->html;
$j->html = str_replace('width="0"', '', $j->html);
$j->html = str_replace('height="0"', '', $j->html);
}
echo $j->html;
echo '</body></html>';
}
DI::page()->logRuntime();
exit();
}
}