mirror of https://github.com/friendica/friendica
304 lines
8.2 KiB
PHP
304 lines
8.2 KiB
PHP
<?php
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/**
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* @copyright Copyright (C) 2020, Friendica
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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\Core;
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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\Network\HTTPException;
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use Friendica\Object\Search\ContactResult;
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use Friendica\Object\Search\ResultList;
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use Friendica\Util\Network;
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use Friendica\Util\Strings;
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/**
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* Specific class to perform searches for different systems. Currently:
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* - Probe for contacts
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* - Search in the local directory
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* - Search in the global directory
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*/
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class Search
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{
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const DEFAULT_DIRECTORY = 'https://dir.friendica.social';
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const TYPE_PEOPLE = 0;
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const TYPE_FORUM = 1;
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const TYPE_ALL = 2;
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/**
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* Search a user based on his/her profile address
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* pattern: @username@domain.tld
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*
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* @param string $user The user to search for
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*
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* @return ResultList
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* @throws HTTPException\InternalServerErrorException
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* @throws \ImagickException
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*/
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public static function getContactsFromProbe($user)
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{
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$emptyResultList = new ResultList(1, 0, 1);
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if ((filter_var($user, FILTER_VALIDATE_EMAIL) && Network::isEmailDomainValid($user)) ||
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(substr(Strings::normaliseLink($user), 0, 7) == "http://")) {
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$user_data = Contact::getByURL($user);
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if (empty($user_data)) {
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return $emptyResultList;
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}
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if (!in_array($user_data["network"], Protocol::FEDERATED)) {
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return $emptyResultList;
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}
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$contactDetails = Contact::getByURLForUser($user_data['url'] ?? '', local_user());
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$result = new ContactResult(
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$user_data['name'] ?? '',
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$user_data['addr'] ?? '',
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($contactDetails['addr'] ?? '') ?: ($user_data['url'] ?? ''),
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$user_data['url'] ?? '',
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$user_data['photo'] ?? '',
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$user_data['network'] ?? '',
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$contactDetails['id'] ?? 0,
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$user_data['id'] ?? 0,
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$user_data['tags'] ?? ''
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);
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return new ResultList(1, 1, 1, [$result]);
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} else {
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return $emptyResultList;
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}
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}
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/**
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* Search in the global directory for occurrences of the search string
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*
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* @see https://github.com/friendica/friendica-directory/blob/stable/docs/Protocol.md#search
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*
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* @param string $search
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* @param int $type specific type of searching
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* @param int $page
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*
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* @return ResultList
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* @throws HTTPException\InternalServerErrorException
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*/
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public static function getContactsFromGlobalDirectory($search, $type = self::TYPE_ALL, $page = 1)
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{
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$server = DI::config()->get('system', 'directory', self::DEFAULT_DIRECTORY);
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$searchUrl = $server . '/search';
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switch ($type) {
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case self::TYPE_FORUM:
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$searchUrl .= '/forum';
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break;
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case self::TYPE_PEOPLE:
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$searchUrl .= '/people';
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break;
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}
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$searchUrl .= '?q=' . urlencode($search);
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if ($page > 1) {
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$searchUrl .= '&page=' . $page;
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}
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$resultJson = DI::httpRequest()->fetch($searchUrl, false, 0, 'application/json');
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$results = json_decode($resultJson, true);
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$resultList = new ResultList(
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($results['page'] ?? 0) ?: 1,
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$results['count'] ?? 0,
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($results['itemsperpage'] ?? 0) ?: 30
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);
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$profiles = $results['profiles'] ?? [];
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foreach ($profiles as $profile) {
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$profile_url = $profile['url'] ?? '';
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$contactDetails = Contact::getByURLForUser($profile_url, local_user());
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$result = new ContactResult(
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$profile['name'] ?? '',
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$profile['addr'] ?? '',
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($contactDetails['addr'] ?? '') ?: $profile_url,
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$profile_url,
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$profile['photo'] ?? '',
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Protocol::DFRN,
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$contactDetails['cid'] ?? 0,
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0,
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$profile['tags'] ?? ''
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);
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$resultList->addResult($result);
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}
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return $resultList;
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}
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/**
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* Search in the local database for occurrences of the search string
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*
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* @param string $search
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* @param int $type
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* @param int $start
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* @param int $itemPage
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*
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* @return ResultList
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* @throws HTTPException\InternalServerErrorException
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*/
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public static function getContactsFromLocalDirectory($search, $type = self::TYPE_ALL, $start = 0, $itemPage = 80)
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{
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Logger::info('Searching', ['search' => $search, 'type' => $type, 'start' => $start, 'itempage' => $itemPage]);
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$config = DI::config();
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$diaspora = $config->get('system', 'diaspora_enabled') ? Protocol::DIASPORA : Protocol::DFRN;
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$ostatus = !$config->get('system', 'ostatus_disabled') ? Protocol::OSTATUS : Protocol::DFRN;
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$wildcard = Strings::escapeHtml('%' . $search . '%');
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$condition = [
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'NOT `unsearchable`
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AND `network` IN (?, ?, ?, ?)
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AND NOT `failed` AND `uid` = ?
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AND (`url` LIKE ? OR `name` LIKE ? OR `location` LIKE ?
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OR `addr` LIKE ? OR `about` LIKE ? OR `keywords` LIKE ?)
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AND `forum` = ?',
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Protocol::ACTIVITYPUB, Protocol::DFRN, $ostatus, $diaspora, 0,
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$wildcard, $wildcard, $wildcard,
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$wildcard, $wildcard, $wildcard,
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($type === self::TYPE_FORUM),
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];
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$count = DBA::count('contact', $condition);
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$resultList = new ResultList($start, $itemPage, $count);
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if (empty($count)) {
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return $resultList;
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}
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$data = DBA::select('contact', [], $condition, [
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'group_by' => ['nurl', 'updated'],
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'limit' => [$start, $itemPage],
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'order' => ['updated' => 'DESC']
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]);
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if (!DBA::isResult($data)) {
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return $resultList;
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}
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while ($contact = DBA::fetch($data)) {
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$result = new ContactResult(
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$contact["name"],
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$contact["addr"],
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$contact["addr"],
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$contact["url"],
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$contact["photo"],
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$contact["network"],
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$contact["cid"] ?? 0,
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$contact["zid"] ?? 0,
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$contact["keywords"]
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);
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$resultList->addResult($result);
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}
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DBA::close($data);
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// Add found profiles from the global directory to the local directory
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Worker::add(PRIORITY_LOW, 'SearchDirectory', $search);
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return $resultList;
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}
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/**
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* Searching for contacts for autocompletion
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*
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* @param string $search Name or part of a name or nick
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* @param string $mode Search mode (e.g. "community")
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* @param int $page Page number (starts at 1)
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* @return array with the search results
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* @throws HTTPException\InternalServerErrorException
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*/
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public static function searchContact($search, $mode, int $page = 1)
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{
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Logger::info('Searching', ['search' => $search, 'mode' => $mode, 'page' => $page]);
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if (DI::config()->get('system', 'block_public') && !Session::isAuthenticated()) {
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return [];
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}
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// don't search if search term has less than 2 characters
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if (!$search || mb_strlen($search) < 2) {
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return [];
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}
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if (substr($search, 0, 1) === '@') {
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$search = substr($search, 1);
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}
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// check if searching in the local global contact table is enabled
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if (DI::config()->get('system', 'poco_local_search')) {
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$return = Contact::searchByName($search, $mode);
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} else {
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$p = $page > 1 ? 'p=' . $page : '';
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$curlResult = DI::httpRequest()->get(self::getGlobalDirectory() . '/search/people?' . $p . '&q=' . urlencode($search), false, ['accept_content' => 'application/json']);
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if ($curlResult->isSuccess()) {
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$searchResult = json_decode($curlResult->getBody(), true);
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if (!empty($searchResult['profiles'])) {
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$return = $searchResult['profiles'];
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}
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}
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}
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return $return ?? [];
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}
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/**
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* Returns the global directory name, used in this node
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*
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* @return string
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*/
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public static function getGlobalDirectory()
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{
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return DI::config()->get('system', 'directory', self::DEFAULT_DIRECTORY);
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}
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/**
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* Return the search path (either fulltext search or tag search)
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*
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* @param string $search
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* @return string search path
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*/
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public static function getSearchPath(string $search)
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{
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if (substr($search, 0, 1) == '#') {
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return 'search?tag=' . urlencode(substr($search, 1));
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} else {
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return 'search?q=' . urlencode($search);
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}
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}
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}
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