friendica/src/Module/Like.php

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<?php
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/**
* @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/>.
*
*/
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namespace Friendica\Module;
use Friendica\BaseModule;
use Friendica\Content\Text\BBCode;
use Friendica\Core\Protocol;
use Friendica\Core\System;
use Friendica\DI;
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use Friendica\Model\Item;
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use Friendica\Core\Session;
use Friendica\Database\DBA;
use Friendica\Model\Post;
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use Friendica\Network\HTTPException;
use Friendica\Util\Strings;
/**
* Performs a like and optionally redirects to a return path
*/
class Like extends BaseModule
{
public static function rawContent(array $parameters = [])
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{
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if (!Session::isAuthenticated()) {
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throw new HTTPException\ForbiddenException();
}
$verb = Strings::escapeTags(trim($_GET['verb']));
if (!$verb) {
$verb = 'like';
}
$app = DI::app();
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// @TODO: Replace with parameter from router
$itemId = (($app->argc > 1) ? Strings::escapeTags(trim($app->argv[1])) : 0);
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if (in_array($verb, ['announce', 'unannounce'])) {
$item = Post::selectFirst(['network'], ['id' => $itemId]);
if ($item['network'] == Protocol::DIASPORA) {
self::performDiasporaReshare($itemId);
}
}
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if (!Item::performActivity($itemId, $verb, local_user())) {
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throw new HTTPException\BadRequestException();
}
// Decide how to return. If we were called with a 'return' argument,
// then redirect back to the calling page. If not, just quietly end
$returnPath = $_REQUEST['return'] ?? '';
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if (!empty($returnPath)) {
$rand = '_=' . time();
if (strpos($returnPath, '?')) {
$rand = "&$rand";
} else {
$rand = "?$rand";
}
DI::baseUrl()->redirect($returnPath . $rand);
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}
System::jsonExit(['status' => 'OK']);
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}
private static function performDiasporaReshare(int $itemId)
{
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$fields = ['uri-id', 'body', 'title', 'author-name', 'author-link', 'author-avatar', 'guid', 'created', 'plink'];
$item = Post::selectFirst($fields, ['id' => $itemId, 'private' => [Item::PUBLIC, Item::UNLISTED]]);
if (!DBA::isResult($item) || ($item['body'] == '')) {
return;
}
if (strpos($item['body'], '[/share]') !== false) {
$pos = strpos($item['body'], '[share');
$post = substr($item['body'], $pos);
} else {
$post = BBCode::getShareOpeningTag($item['author-name'], $item['author-link'], $item['author-avatar'], $item['plink'], $item['created'], $item['guid']);
if (!empty($item['title'])) {
$post .= '[h3]' . $item['title'] . "[/h3]\n";
}
$post .= $item['body'];
$post .= '[/share]';
}
$_REQUEST['body'] = $post;
$_REQUEST['profile_uid'] = local_user();
require_once 'mod/item.php';
item_post(DI::app());
}
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}