297 lines
9.4 KiB
PHP
297 lines
9.4 KiB
PHP
<?php
|
|
/**
|
|
* @copyright Copyright (C) 2010-2021, 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\Search;
|
|
|
|
use Friendica\Content\Nav;
|
|
use Friendica\Content\Pager;
|
|
use Friendica\Content\Text\HTML;
|
|
use Friendica\Content\Widget;
|
|
use Friendica\Core\Cache\Duration;
|
|
use Friendica\Core\Logger;
|
|
use Friendica\Core\Renderer;
|
|
use Friendica\Core\Search;
|
|
use Friendica\Core\Session;
|
|
use Friendica\Database\DBA;
|
|
use Friendica\DI;
|
|
use Friendica\Model\Contact;
|
|
use Friendica\Model\Item;
|
|
use Friendica\Model\Post;
|
|
use Friendica\Model\Tag;
|
|
use Friendica\Module\BaseSearch;
|
|
use Friendica\Network\HTTPException;
|
|
use Friendica\Util\Strings;
|
|
|
|
class Index extends BaseSearch
|
|
{
|
|
public static function content(array $parameters = [])
|
|
{
|
|
$search = (!empty($_GET['q']) ? Strings::escapeTags(trim(rawurldecode($_GET['q']))) : '');
|
|
|
|
if (DI::config()->get('system', 'block_public') && !Session::isAuthenticated()) {
|
|
throw new HTTPException\ForbiddenException(DI::l10n()->t('Public access denied.'));
|
|
}
|
|
|
|
if (DI::config()->get('system', 'local_search') && !Session::isAuthenticated()) {
|
|
$e = new HTTPException\ForbiddenException(DI::l10n()->t('Only logged in users are permitted to perform a search.'));
|
|
$e->httpdesc = DI::l10n()->t('Public access denied.');
|
|
throw $e;
|
|
}
|
|
|
|
if (DI::config()->get('system', 'permit_crawling') && !Session::isAuthenticated()) {
|
|
// Default values:
|
|
// 10 requests are "free", after the 11th only a call per minute is allowed
|
|
|
|
$free_crawls = intval(DI::config()->get('system', 'free_crawls'));
|
|
if ($free_crawls == 0)
|
|
$free_crawls = 10;
|
|
|
|
$crawl_permit_period = intval(DI::config()->get('system', 'crawl_permit_period'));
|
|
if ($crawl_permit_period == 0)
|
|
$crawl_permit_period = 10;
|
|
|
|
$remote = $_SERVER['REMOTE_ADDR'];
|
|
$result = DI::cache()->get('remote_search:' . $remote);
|
|
if (!is_null($result)) {
|
|
$resultdata = json_decode($result);
|
|
if (($resultdata->time > (time() - $crawl_permit_period)) && ($resultdata->accesses > $free_crawls)) {
|
|
throw new HTTPException\TooManyRequestsException(DI::l10n()->t('Only one search per minute is permitted for not logged in users.'));
|
|
}
|
|
DI::cache()->set('remote_search:' . $remote, json_encode(['time' => time(), 'accesses' => $resultdata->accesses + 1]), Duration::HOUR);
|
|
} else {
|
|
DI::cache()->set('remote_search:' . $remote, json_encode(['time' => time(), 'accesses' => 1]), Duration::HOUR);
|
|
}
|
|
}
|
|
|
|
if (local_user()) {
|
|
DI::page()['aside'] .= Widget\SavedSearches::getHTML(Search::getSearchPath($search), $search);
|
|
}
|
|
|
|
Nav::setSelected('search');
|
|
|
|
$tag = false;
|
|
if (!empty($_GET['tag'])) {
|
|
$tag = true;
|
|
$search = '#' . Strings::escapeTags(trim(rawurldecode($_GET['tag'])));
|
|
}
|
|
|
|
// contruct a wrapper for the search header
|
|
$o = Renderer::replaceMacros(Renderer::getMarkupTemplate('content_wrapper.tpl'), [
|
|
'name' => 'search-header',
|
|
'$title' => DI::l10n()->t('Search'),
|
|
'$title_size' => 3,
|
|
'$content' => HTML::search($search, 'search-box', false)
|
|
]);
|
|
|
|
if (!$search) {
|
|
return $o;
|
|
}
|
|
|
|
if (strpos($search, '#') === 0) {
|
|
$tag = true;
|
|
$search = substr($search, 1);
|
|
}
|
|
|
|
self::tryRedirectToProfile($search);
|
|
|
|
if (strpos($search, '@') === 0 || strpos($search, '!') === 0) {
|
|
return self::performContactSearch($search);
|
|
}
|
|
|
|
self::tryRedirectToPost($search);
|
|
|
|
if (!empty($_GET['search-option'])) {
|
|
switch ($_GET['search-option']) {
|
|
case 'fulltext':
|
|
break;
|
|
case 'tags':
|
|
$tag = true;
|
|
break;
|
|
case 'contacts':
|
|
return self::performContactSearch($search, '@');
|
|
case 'forums':
|
|
return self::performContactSearch($search, '!');
|
|
}
|
|
}
|
|
|
|
// Don't perform a fulltext or tag search on search results that look like an URL
|
|
// Tags don't look like an URL and the fulltext search does only work with natural words
|
|
if (parse_url($search, PHP_URL_SCHEME) && parse_url($search, PHP_URL_HOST)) {
|
|
Logger::info('Skipping tag and fulltext search since the search looks like a URL.', ['q' => $search]);
|
|
notice(DI::l10n()->t('No results.'));
|
|
return $o;
|
|
}
|
|
|
|
$tag = $tag || DI::config()->get('system', 'only_tag_search');
|
|
|
|
// Here is the way permissions work in the search module...
|
|
// Only public posts can be shown
|
|
// OR your own posts if you are a logged in member
|
|
// No items will be shown if the member has a blocked profile wall.
|
|
|
|
if (DI::mode()->isMobile()) {
|
|
$itemsPerPage = DI::pConfig()->get(local_user(), 'system', 'itemspage_mobile_network',
|
|
DI::config()->get('system', 'itemspage_network_mobile'));
|
|
} else {
|
|
$itemsPerPage = DI::pConfig()->get(local_user(), 'system', 'itemspage_network',
|
|
DI::config()->get('system', 'itemspage_network'));
|
|
}
|
|
|
|
$last_uriid = isset($_GET['last_uriid']) ? intval($_GET['last_uriid']) : 0;
|
|
|
|
$pager = new Pager(DI::l10n(), DI::args()->getQueryString(), $itemsPerPage);
|
|
|
|
if ($tag) {
|
|
Logger::info('Start tag search.', ['q' => $search]);
|
|
$uriids = Tag::getURIIdListByTag($search, local_user(), $pager->getStart(), $pager->getItemsPerPage(), $last_uriid);
|
|
$count = Tag::countByTag($search, local_user());
|
|
} else {
|
|
Logger::info('Start fulltext search.', ['q' => $search]);
|
|
$uriids = Post\Content::getURIIdListBySearch($search, local_user(), $pager->getStart(), $pager->getItemsPerPage(), $last_uriid);
|
|
$count = Post\Content::countBySearch($search, local_user());
|
|
}
|
|
|
|
if (!empty($uriids)) {
|
|
$params = ['order' => ['id' => true], 'group_by' => ['uri-id']];
|
|
$items = Post::toArray(Post::selectForUser(local_user(), Item::DISPLAY_FIELDLIST, ['uri-id' => $uriids], $params));
|
|
}
|
|
|
|
if (empty($items)) {
|
|
if (empty($last_uriid)) {
|
|
notice(DI::l10n()->t('No results.'));
|
|
}
|
|
return $o;
|
|
}
|
|
|
|
if (DI::pConfig()->get(local_user(), 'system', 'infinite_scroll')) {
|
|
$tpl = Renderer::getMarkupTemplate('infinite_scroll_head.tpl');
|
|
$o .= Renderer::replaceMacros($tpl, ['$reload_uri' => DI::args()->getQueryString()]);
|
|
}
|
|
|
|
if ($tag) {
|
|
$title = DI::l10n()->t('Items tagged with: %s', $search);
|
|
} else {
|
|
$title = DI::l10n()->t('Results for: %s', $search);
|
|
}
|
|
|
|
$o .= Renderer::replaceMacros(Renderer::getMarkupTemplate('section_title.tpl'), [
|
|
'$title' => $title
|
|
]);
|
|
|
|
Logger::info('Start Conversation.', ['q' => $search]);
|
|
|
|
$o .= conversation(DI::app(), $items, 'search', false, false, 'commented', local_user());
|
|
|
|
if (DI::pConfig()->get(local_user(), 'system', 'infinite_scroll')) {
|
|
$o .= HTML::scrollLoader();
|
|
} else {
|
|
$o .= $pager->renderMinimal($count);
|
|
}
|
|
|
|
|
|
return $o;
|
|
}
|
|
|
|
/**
|
|
* Tries to redirect to a local profile page based on the input.
|
|
*
|
|
* This method separates logged in and anonymous users. Logged in users can trigger contact probes to import
|
|
* non-existing contacts while anonymous users can only trigger a local lookup.
|
|
*
|
|
* Formats matched:
|
|
* - @user@domain
|
|
* - user@domain
|
|
* - Any fully-formed URL
|
|
*
|
|
* @param string $search
|
|
* @throws HTTPException\InternalServerErrorException
|
|
* @throws \ImagickException
|
|
*/
|
|
private static function tryRedirectToProfile(string $search)
|
|
{
|
|
$isUrl = !empty(parse_url($search, PHP_URL_SCHEME));
|
|
$isAddr = (bool)preg_match('/^@?([a-z0-9.-_]+@[a-z0-9.-_:]+)$/i', trim($search), $matches);
|
|
|
|
if (!$isUrl && !$isAddr) {
|
|
return;
|
|
}
|
|
|
|
if ($isAddr) {
|
|
$search = $matches[1];
|
|
}
|
|
|
|
if (local_user()) {
|
|
// User-specific contact URL/address search
|
|
$contact_id = Contact::getIdForURL($search, local_user());
|
|
if (!$contact_id) {
|
|
// User-specific contact URL/address search and probe
|
|
$contact_id = Contact::getIdForURL($search);
|
|
}
|
|
} else {
|
|
// Cheaper local lookup for anonymous users, no probe
|
|
if ($isAddr) {
|
|
$contact = Contact::selectFirst(['id'], ['addr' => $search, 'uid' => 0]);
|
|
} else {
|
|
$contact = Contact::getByURL($search, null, ['id']) ?: ['id' => 0];
|
|
}
|
|
|
|
if (DBA::isResult($contact)) {
|
|
$contact_id = $contact['id'];
|
|
}
|
|
}
|
|
|
|
if (!empty($contact_id)) {
|
|
DI::baseUrl()->redirect('contact/' . $contact_id);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Fetch/search a post by URL and redirects to its local representation if it was found.
|
|
*
|
|
* @param string $search
|
|
* @throws HTTPException\InternalServerErrorException
|
|
*/
|
|
private static function tryRedirectToPost(string $search)
|
|
{
|
|
if (parse_url($search, PHP_URL_SCHEME) == '') {
|
|
return;
|
|
}
|
|
|
|
if (local_user()) {
|
|
// Post URL search
|
|
$item_id = Item::fetchByLink($search, local_user());
|
|
if (!$item_id) {
|
|
// If the user-specific search failed, we search and probe a public post
|
|
$item_id = Item::fetchByLink($search);
|
|
}
|
|
} else {
|
|
// Cheaper local lookup for anonymous users, no probe
|
|
$item_id = Item::searchByLink($search);
|
|
}
|
|
|
|
if (!empty($item_id)) {
|
|
$item = Post::selectFirst(['guid'], ['id' => $item_id]);
|
|
if (DBA::isResult($item)) {
|
|
DI::baseUrl()->redirect('display/' . $item['guid']);
|
|
}
|
|
}
|
|
}
|
|
}
|