Friendica Communications Platform (please note that this is a clone of the repository at github, issues are handled there) https://friendi.ca
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<?php
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;
use Friendica\Core\Cache\Cache as CacheClass;
use Friendica\Core\Config;
use Friendica\Core\L10n;
use Friendica\Core\Logger;
use Friendica\Core\Renderer;
use Friendica\Core\Session;
use Friendica\Database\DBA;
use Friendica\Model\Item;
use Friendica\Model\Term;
use Friendica\Module\BaseSearchModule;
use Friendica\Network\HTTPException;
use Friendica\Util\Strings;
class Index extends BaseSearchModule
{
public static function content()
{
$search = (!empty($_GET['q']) ? Strings::escapeTags(trim(rawurldecode($_GET['q']))) : '');
if (Config::get('system', 'block_public') && !Session::isAuthenticated()) {
throw new HTTPException\ForbiddenException(L10n::t('Public access denied.'));
}
if (Config::get('system', 'local_search') && !Session::isAuthenticated()) {
$e = new HTTPException\ForbiddenException(L10n::t('Only logged in users are permitted to perform a search.'));
$e->httpdesc = L10n::t('Public access denied.');
throw $e;
}
if (Config::get('system', 'permit_crawling') && !Session::isAuthenticated()) {
// Default values:
// 10 requests are "free", after the 11th only a call per minute is allowed
$free_crawls = intval(Config::get('system', 'free_crawls'));
if ($free_crawls == 0)
$free_crawls = 10;
$crawl_permit_period = intval(Config::get('system', 'crawl_permit_period'));
if ($crawl_permit_period == 0)
$crawl_permit_period = 10;
$remote = $_SERVER['REMOTE_ADDR'];
$result = 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(L10n::t('Only one search per minute is permitted for not logged in users.'));
}
Cache::set('remote_search:' . $remote, json_encode(['time' => time(), 'accesses' => $resultdata->accesses + 1]), CacheClass::HOUR);
} else {
Cache::set('remote_search:' . $remote, json_encode(['time' => time(), 'accesses' => 1]), CacheClass::HOUR);
}
}
if (local_user()) {
self::getApp()->page['aside'] .= Widget\SavedSearches::getHTML('search?q=' . $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' => L10n::t('Search'),
'$title_size' => 3,
'$content' => HTML::search($search, 'search-box', false)
]);
if (strpos($search, '#') === 0) {
$tag = true;
$search = substr($search, 1);
}
if (strpos($search, '@') === 0 || strpos($search, '!') === 0) {
return self::performSearch($search);
}
if (parse_url($search, PHP_URL_SCHEME) != '') {
$id = Item::fetchByLink($search);
if (!empty($id)) {
$item = Item::selectFirst(['guid'], ['id' => $id]);
if (DBA::isResult($item)) {
self::getApp()->internalRedirect('display/' . $item['guid']);
}
}
}
if (!empty($_GET['search-option'])) {
switch ($_GET['search-option']) {
case 'fulltext':
break;
case 'tags':
$tag = true;
break;
case 'contacts':
return self::performSearch($search, '@');
case 'forums':
return self::performSearch($search, '!');
}
}
if (!$search) {
return $o;
}
$tag = $tag || 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.
$pager = new Pager(self::getArgs()->getQueryString());
if ($tag) {
Logger::info('Start tag search for "' . $search . '"');
$condition = [
"(`uid` = 0 OR (`uid` = ? AND NOT `global`))
AND `otype` = ? AND `type` = ? AND `term` = ?",
local_user(), Term::OBJECT_TYPE_POST, Term::HASHTAG, $search
];
$params = [
'order' => ['received' => true],
'limit' => [$pager->getStart(), $pager->getItemsPerPage()]
];
$terms = DBA::select('term', ['oid'], $condition, $params);
$itemids = [];
while ($term = DBA::fetch($terms)) {
$itemids[] = $term['oid'];
}
DBA::close($terms);
if (!empty($itemids)) {
$params = ['order' => ['id' => true]];
$items = Item::selectForUser(local_user(), [], ['id' => $itemids], $params);
$r = Item::inArray($items);
} else {
$r = [];
}
} else {
Logger::info('Start fulltext search for "' . $search . '"');
$condition = [
"(`uid` = 0 OR (`uid` = ? AND NOT `global`))
AND `body` LIKE CONCAT('%',?,'%')",
local_user(), $search
];
$params = [
'order' => ['id' => true],
'limit' => [$pager->getStart(), $pager->getItemsPerPage()]
];
$items = Item::selectForUser(local_user(), [], $condition, $params);
$r = Item::inArray($items);
}
if (!DBA::isResult($r)) {
info(L10n::t('No results.'));
return $o;
}
if ($tag) {
$title = L10n::t('Items tagged with: %s', $search);
} else {
$title = L10n::t('Results for: %s', $search);
}
$o .= Renderer::replaceMacros(Renderer::getMarkupTemplate('section_title.tpl'), [
'$title' => $title
]);
Logger::info('Start Conversation for "' . $search . '"');
$o .= conversation(self::getApp(), $r, $pager, 'search', false, false, 'commented', local_user());
$o .= $pager->renderMinimal(count($r));
Logger::info('Done "'.$search.'"');
return $o;
}
}