query = $opts->query;
$this->page = $opts->page;
$this->opts = $opts;
$url = $this->get_request_url();
if (!$url)
return;
$this->ch = curl_init($url);
if ($opts->curl_settings)
curl_setopt_array($this->ch, $opts->curl_settings);
if ($mh)
curl_multi_add_handle($mh, $this->ch);
}
public function get_request_url() {
return "";
}
public function successful() {
return curl_getinfo($this->ch)['http_code'] == '200';
}
abstract function get_results();
static public function print_results($results){}
}
function load_opts() {
$opts = require "config.php";
$opts->request_cooldown ??= 25;
$opts->query = trim($_REQUEST["q"] ?? "");
$opts->type = (int) ($_REQUEST["t"] ?? 0);
$opts->page = (int) ($_REQUEST["p"] ?? 0);
$opts->theme = $_REQUEST["theme"] ?? trim(htmlspecialchars($_COOKIE["theme"] ?? "dark"));
$opts->safe_search = (int) ($_REQUEST["safe"] ?? 0) == 1 || isset($_COOKIE["safe_search"]);
$opts->disable_special = (int) ($_REQUEST["ns"] ?? 0) == 1 || isset($_COOKIE["disable_special"]);
$opts->disable_frontends = (int) ($_REQUEST["nf"] ?? 0) == 1 || isset($_COOKIE["disable_frontends"]);
$opts->language = $_REQUEST["lang"] ?? trim(htmlspecialchars($_COOKIE["language"] ?? $opts->language));
$opts->do_fallback = (int) ($_REQUEST["nfb"] ?? 0) == 0;
if (!$opts->instance_fallback) {
$opts->do_fallback = false;
}
$opts->number_of_results ??= trim(htmlspecialchars($_COOKIE["number_of_results"]));
foreach (array_keys($opts->frontends ?? array()) as $frontend) {
$opts->frontends[$frontend]["instance_url"] = $_COOKIE[$frontend] ?? $opts->frontends[$frontend]["instance_url"];
}
return $opts;
}
function opts_to_params($opts) {
$query = urlencode($opts->query);
$params = "";
$params .= "p=$opts->page";
$params .= "&q=$query";
$params .= "&t=$opts->type";
$params .= "&nfb=" . ($opts->do_fallback ? 0 : 1);
$params .= "&safe=" . ($opts->safe_search ? 1 : 0);
$params .= "&nf=" . ($opts->disable_frontends ? 1 : 0);
$params .= "&ns=" . ($opts->disable_special ? 1 : 0);
return $params;
}
function init_search($opts, $mh) {
switch ($opts->type)
{
case 1:
require "engines/qwant/image.php";
return new QwantImageSearch($opts, $mh);
case 2:
require "engines/invidious/video.php";
return new VideoSearch($opts, $mh);
case 3:
if ($opts->disable_bittorent_search) {
echo "The host disabled this feature! :C
";
break;
}
require "engines/bittorrent/merge.php";
return new TorrentSearch($opts, $mh);
case 4:
if ($opts->disable_hidden_service_search) {
echo "The host disabled this feature! :C
";
break;
}
require "engines/ahmia/hidden_service.php";
return new TorSearch($opts, $mh);
default:
require "engines/text/text.php";
return new TextSearch($opts, $mh);
}
}
function fetch_search_results($opts, $do_print) {
require "misc/cooldowns.php";
$opts->cooldowns = load_cooldowns();
$start_time = microtime(true);
$mh = curl_multi_init();
$search_category = init_search($opts, $mh);
$running = null;
do {
curl_multi_exec($mh, $running);
} while ($running);
$results = $search_category->get_results();
if (count($results) <= 1) {
require "engines/librex/fallback.php";
$results = get_librex_results($opts);
}
if (!$do_print)
return $results;
print_elapsed_time($start_time);
$search_category->print_results($results);
return $results;
}
?>