friendica/mod/tagger.php

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<?php
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/**
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* @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/>.
*
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*/
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use Friendica\App;
use Friendica\Core\Hook;
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use Friendica\Core\Logger;
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use Friendica\Core\Session;
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use Friendica\Core\System;
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use Friendica\Core\Worker;
use Friendica\Database\DBA;
use Friendica\DI;
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use Friendica\Model\Contact;
use Friendica\Model\Item;
use Friendica\Model\Post;
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use Friendica\Model\Tag;
use Friendica\Protocol\Activity;
use Friendica\Util\XML;
use Friendica\Worker\Delivery;
function tagger_content(App $a)
{
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if (!Session::isAuthenticated()) {
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return;
}
$term = trim($_GET['term'] ?? '');
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// no commas allowed
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$term = str_replace([',',' ', '<', '>'],['','_', '', ''], $term);
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if (!$term) {
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return;
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}
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$item_id = ((DI::args()->getArgc() > 1) ? trim(DI::args()->getArgv()[1]) : 0);
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Logger::info('tagger: tag', ['term' => $term, 'item' => $item_id]);
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$item = Post::selectFirst([], ['id' => $item_id]);
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if (!$item_id || !DBA::isResult($item)) {
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Logger::notice('tagger: no item ' . $item_id);
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return;
}
$owner_uid = $item['uid'];
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if (Session::getLocalUser() != $owner_uid) {
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return;
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}
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$contact = Contact::selectFirst([], ['self' => true, 'uid' => Session::getLocalUser()]);
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if (!DBA::isResult($contact)) {
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Logger::warning('Self contact not found.', ['uid' => Session::getLocalUser()]);
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return;
}
$uri = Item::newURI();
$xterm = XML::escape($term);
$post_type = (($item['resource-id']) ? DI::l10n()->t('photo') : DI::l10n()->t('status'));
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$targettype = (($item['resource-id']) ? Activity\ObjectType::IMAGE : Activity\ObjectType::NOTE );
$href = DI::baseUrl() . '/display/' . $item['guid'];
$link = XML::escape('<link rel="alternate" type="text/html" href="'. $href . '" />' . "\n");
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$body = XML::escape($item['body']);
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$target = <<< EOT
<target>
<type>$targettype</type>
<local>1</local>
<id>{$item['uri']}</id>
<link>$link</link>
<title></title>
<content>$body</content>
</target>
EOT;
$tagid = DI::baseUrl() . '/search?tag=' . $xterm;
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$objtype = Activity\ObjectType::TAGTERM;
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$obj = <<< EOT
<object>
<type>$objtype</type>
<local>1</local>
<id>$tagid</id>
<link>$tagid</link>
<title>$xterm</title>
<content>$xterm</content>
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</object>
EOT;
$bodyverb = DI::l10n()->t('%1$s tagged %2$s\'s %3$s with %4$s');
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if (!isset($bodyverb)) {
return;
}
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$termlink = html_entity_decode('&#x2317;') . '[url=' . DI::baseUrl() . '/search?tag=' . $term . ']'. $term . '[/url]';
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$ulink = '[url=' . $contact['url'] . ']' . $contact['name'] . '[/url]';
$alink = '[url=' . $item['author-link'] . ']' . $item['author-name'] . '[/url]';
$plink = '[url=' . $item['plink'] . ']' . $post_type . '[/url]';
$arr = [
'guid' => System::createUUID(),
'uri' => $uri,
'uid' => $owner_uid,
'contact-id' => $contact['id'],
'wall' => $item['wall'],
'gravity' => Item::GRAVITY_COMMENT,
'parent' => $item['id'],
'thr-parent' => $item['uri'],
'owner-name' => $item['author-name'],
'owner-link' => $item['author-link'],
'owner-avatar' => $item['author-avatar'],
'author-name' => $contact['name'],
'author-link' => $contact['url'],
'author-avatar' => $contact['thumb'],
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'body' => sprintf($bodyverb, $ulink, $alink, $plink, $termlink),
'verb' => Activity::TAG,
'target-type' => $targettype,
'target' => $target,
'object-type' => $objtype,
'object' => $obj,
'private' => $item['private'],
'allow_cid' => $item['allow_cid'],
'allow_gid' => $item['allow_gid'],
'deny_cid' => $item['deny_cid'],
'deny_gid' => $item['deny_gid'],
'visible' => 1,
'unseen' => 1,
'origin' => 1,
];
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$post_id = Item::insert($arr);
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if (!$item['visible']) {
Item::update(['visible' => true], ['id' => $item['id']]);
}
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Tag::store($item['uri-id'], Tag::HASHTAG, $term);
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$arr['id'] = $post_id;
Hook::callAll('post_local_end', $arr);
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$post = Post::selectFirst(['uri-id', 'uid'], ['id' => $post_id]);
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Worker::add(Worker::PRIORITY_HIGH, "Notifier", Delivery::POST, $post['uri-id'], $post['uid']);
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System::exit();
}