mirror of
https://github.com/friendica/friendica
synced 2024-06-13 14:56:24 +02:00
316 lines
11 KiB
PHP
316 lines
11 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2010-2024, the Friendica project
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*
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* @license GNU AGPL version 3 or any later version
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*
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*/
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namespace Friendica\Module\Search;
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use Friendica\App;
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use Friendica\Content\Conversation;
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use Friendica\Content\Nav;
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use Friendica\Content\Pager;
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use Friendica\Content\Text\HTML;
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use Friendica\Content\Widget;
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use Friendica\Core\Cache\Enum\Duration;
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use Friendica\Core\L10n;
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use Friendica\Core\Logger;
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use Friendica\Core\Renderer;
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use Friendica\Core\Search;
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use Friendica\Database\DBA;
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use Friendica\DI;
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use Friendica\Model\Contact;
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use Friendica\Model\Item;
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use Friendica\Model\Post;
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use Friendica\Model\Tag;
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use Friendica\Module\BaseSearch;
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use Friendica\Module\Response;
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use Friendica\Network\HTTPException;
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use Friendica\Util\Network;
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use Friendica\Util\Profiler;
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use Psr\Log\LoggerInterface;
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class Index extends BaseSearch
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{
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/** @var string */
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private $remoteAddress;
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public function __construct(L10n $l10n, App\BaseURL $baseUrl, App\Arguments $args, LoggerInterface $logger, Profiler $profiler, Response $response, App\Request $request, array $server, array $parameters = [])
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{
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parent::__construct($l10n, $baseUrl, $args, $logger, $profiler, $response, $server, $parameters);
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$this->remoteAddress = $request->getRemoteAddress();
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}
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protected function content(array $request = []): string
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{
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$search = (!empty($_GET['q']) ? trim(rawurldecode($_GET['q'])) : '');
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if (DI::config()->get('system', 'block_public') && !DI::userSession()->isAuthenticated()) {
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throw new HTTPException\ForbiddenException(DI::l10n()->t('Public access denied.'));
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}
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if (DI::config()->get('system', 'local_search') && !DI::userSession()->isAuthenticated()) {
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throw new HTTPException\ForbiddenException(DI::l10n()->t('Only logged in users are permitted to perform a search.'));
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}
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if (DI::config()->get('system', 'permit_crawling') && !DI::userSession()->isAuthenticated()) {
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// Default values:
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// 10 requests are "free", after the 11th only a call per minute is allowed
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$free_crawls = intval(DI::config()->get('system', 'free_crawls'));
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if ($free_crawls == 0)
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$free_crawls = 10;
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$crawl_permit_period = intval(DI::config()->get('system', 'crawl_permit_period'));
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if ($crawl_permit_period == 0)
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$crawl_permit_period = 10;
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$remote = $this->remoteAddress;
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$result = DI::cache()->get('remote_search:' . $remote);
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if (!is_null($result)) {
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$resultdata = json_decode($result);
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if (($resultdata->time > (time() - $crawl_permit_period)) && ($resultdata->accesses > $free_crawls)) {
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throw new HTTPException\TooManyRequestsException(DI::l10n()->t('Only one search per minute is permitted for not logged in users.'));
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}
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DI::cache()->set('remote_search:' . $remote, json_encode(['time' => time(), 'accesses' => $resultdata->accesses + 1]), Duration::HOUR);
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} else {
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DI::cache()->set('remote_search:' . $remote, json_encode(['time' => time(), 'accesses' => 1]), Duration::HOUR);
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}
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}
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if (DI::userSession()->getLocalUserId()) {
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DI::page()['aside'] .= Widget\SavedSearches::getHTML(Search::getSearchPath($search), $search);
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}
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Nav::setSelected('search');
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$tag = false;
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if (!empty($_GET['tag'])) {
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$tag = true;
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$search = '#' . trim(rawurldecode($_GET['tag']));
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}
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// construct a wrapper for the search header
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$o = Renderer::replaceMacros(Renderer::getMarkupTemplate('content_wrapper.tpl'), [
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'name' => 'search-header',
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'$title' => DI::l10n()->t('Search'),
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'$title_size' => 3,
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'$content' => HTML::search($search, 'search-box', false)
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]);
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if (!$search) {
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return $o;
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}
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if (strpos($search, '#') === 0) {
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$tag = true;
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$search = substr($search, 1);
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} else {
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if (strpos($search, '@') === 0 || strpos($search, '!') === 0) {
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return self::performContactSearch($search);
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}
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self::tryRedirectToPost($search);
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self::tryRedirectToProfile($search);
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if (!empty($_GET['search-option'])) {
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switch ($_GET['search-option']) {
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case 'fulltext':
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break;
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case 'tags':
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$tag = true;
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break;
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case 'contacts':
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return self::performContactSearch($search, '@');
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case 'groups':
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return self::performContactSearch($search, '!');
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}
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}
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}
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// Don't perform a fulltext or tag search on search results that look like an URL
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// Tags don't look like an URL and the fulltext search does only work with natural words
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if (parse_url($search, PHP_URL_SCHEME) && parse_url($search, PHP_URL_HOST)) {
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Logger::info('Skipping tag and fulltext search since the search looks like a URL.', ['q' => $search]);
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DI::sysmsg()->addNotice(DI::l10n()->t('No results.'));
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return $o;
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}
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$tag = $tag || DI::config()->get('system', 'only_tag_search');
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// Here is the way permissions work in the search module...
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// Only public posts can be shown
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// OR your own posts if you are a logged in member
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// No items will be shown if the member has a blocked profile wall.
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if (DI::mode()->isMobile()) {
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$itemsPerPage = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'itemspage_mobile_network',
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DI::config()->get('system', 'itemspage_network_mobile'));
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} else {
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$itemsPerPage = DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'itemspage_network',
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DI::config()->get('system', 'itemspage_network'));
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}
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$last_uriid = isset($_GET['last_uriid']) ? intval($_GET['last_uriid']) : 0;
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$pager = new Pager(DI::l10n(), DI::args()->getQueryString(), $itemsPerPage);
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if ($tag) {
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Logger::info('Start tag search.', ['q' => $search, 'start' => $pager->getStart(), 'items' => $pager->getItemsPerPage(), 'last' => $last_uriid]);
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$uriids = Tag::getURIIdListByTag($search, DI::userSession()->getLocalUserId(), $pager->getStart(), $pager->getItemsPerPage(), $last_uriid);
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$count = Tag::countByTag($search, DI::userSession()->getLocalUserId());
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} else {
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Logger::info('Start fulltext search.', ['q' => $search]);
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$uriids = Post\Content::getURIIdListBySearch($search, DI::userSession()->getLocalUserId(), $pager->getStart(), $pager->getItemsPerPage(), $last_uriid);
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$count = Post\Content::countBySearch($search, DI::userSession()->getLocalUserId());
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}
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if (!empty($uriids)) {
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$condition = ["(`uid` = ? OR (`uid` = ? AND NOT `global`))", 0, DI::userSession()->getLocalUserId()];
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$condition = DBA::mergeConditions($condition, ['uri-id' => $uriids]);
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$params = ['order' => ['uri-id' => true]];
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$items = Post::toArray(Post::selectForUser(DI::userSession()->getLocalUserId(), Item::DISPLAY_FIELDLIST, $condition, $params));
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}
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if (empty($items)) {
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if (empty($last_uriid)) {
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DI::sysmsg()->addNotice(DI::l10n()->t('No results.'));
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}
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return $o;
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}
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if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'infinite_scroll')) {
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$tpl = Renderer::getMarkupTemplate('infinite_scroll_head.tpl');
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$o .= Renderer::replaceMacros($tpl, ['$reload_uri' => DI::args()->getQueryString()]);
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}
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if ($tag) {
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$title = DI::l10n()->t('Items tagged with: %s', $search);
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} else {
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$title = DI::l10n()->t('Results for: %s', $search);
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}
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$o .= Renderer::replaceMacros(Renderer::getMarkupTemplate('section_title.tpl'), [
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'$title' => $title
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]);
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Logger::info('Start Conversation.', ['q' => $search]);
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$o .= DI::conversation()->render($items, Conversation::MODE_SEARCH, false, false, 'commented', DI::userSession()->getLocalUserId());
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if (DI::pConfig()->get(DI::userSession()->getLocalUserId(), 'system', 'infinite_scroll')) {
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$o .= HTML::scrollLoader();
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} else {
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$o .= $pager->renderMinimal($count);
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}
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return $o;
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}
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/**
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* Tries to redirect to a local profile page based on the input.
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*
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* This method separates logged in and anonymous users. Logged in users can trigger contact probes to import
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* non-existing contacts while anonymous users can only trigger a local lookup.
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*
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* Formats matched:
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* - @user@domain
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* - user@domain
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* - Any fully-formed URL
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*
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* @param string $search
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* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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private static function tryRedirectToProfile(string $search)
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{
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$search = Network::convertToIdn($search);
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$isUrl = !empty(parse_url($search, PHP_URL_SCHEME));
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$isAddr = (bool)preg_match('/^@?([a-z0-9.-_]+@[a-z0-9.-_:]+)$/i', trim($search), $matches);
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if (!$isUrl && !$isAddr) {
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return;
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}
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if ($isAddr) {
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$search = $matches[1];
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}
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if (DI::userSession()->getLocalUserId()) {
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// User-specific contact URL/address search
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$contact_id = Contact::getIdForURL($search, DI::userSession()->getLocalUserId());
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if (!$contact_id) {
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// User-specific contact URL/address search and probe
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$contact_id = Contact::getIdForURL($search);
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}
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} else {
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// Cheaper local lookup for anonymous users, no probe
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if ($isAddr) {
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$contact = Contact::selectFirst(['id'], ['addr' => $search, 'uid' => 0]);
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} else {
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$contact = Contact::getByURL($search, null, ['id']) ?: ['id' => 0];
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}
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if (DBA::isResult($contact)) {
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$contact_id = $contact['id'];
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}
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}
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if (!empty($contact_id)) {
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DI::baseUrl()->redirect('contact/' . $contact_id);
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}
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}
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/**
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* Fetch/search a post by URL and redirects to its local representation if it was found.
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*
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* @param string $search
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* @throws HTTPException\InternalServerErrorException
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*/
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private static function tryRedirectToPost(string $search)
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{
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if (parse_url($search, PHP_URL_SCHEME) == '') {
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return;
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}
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$search = Network::convertToIdn($search);
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if (DI::userSession()->getLocalUserId()) {
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// Post URL search
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$item_id = Item::fetchByLink($search, DI::userSession()->getLocalUserId());
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if (!$item_id) {
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// If the user-specific search failed, we search and probe a public post
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$item_id = Item::fetchByLink($search);
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}
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} else {
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// Cheaper local lookup for anonymous users, no probe
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$item_id = Item::searchByLink($search);
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}
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if (!empty($item_id)) {
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$item = Post::selectFirst(['guid'], ['id' => $item_id]);
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if (DBA::isResult($item)) {
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DI::baseUrl()->redirect('display/' . $item['guid']);
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}
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}
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}
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}
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