581 lines
11 KiB
PHP
581 lines
11 KiB
PHP
<?php
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class marginalia{
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public function __construct(){
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include "lib/anubis.php";
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$this->anubis = new anubis();
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include_once "lib/fuckhtml.php";
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$this->fuckhtml = new fuckhtml();
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include "lib/backend.php";
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$this->backend = new backend("marginalia");
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}
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public function getfilters($page){
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if(config::MARGINALIA_API_KEY === null){
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$base = [
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"adtech" => [
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"display" => "Reduce adtech",
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"option" => [
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"no" => "No",
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"yes" => "Yes"
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]
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],
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"recent" => [
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"display" => "Recent results",
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"option" => [
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"no" => "No",
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"yes" => "Yes"
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]
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],
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"intitle" => [
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"display" => "Search in title",
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"option" => [
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"no" => "No",
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"yes" => "Yes"
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]
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]
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];
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}else{
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$base = [];
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}
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return array_merge(
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$base,
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[
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"format" => [
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"display" => "Format",
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"option" => [
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"any" => "Any format",
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"html5" => "html5",
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"xhtml" => "xhtml",
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"html123" => "html123"
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]
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],
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"file" => [
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"display" => "Filetype",
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"option" => [
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"any" => "Any filetype",
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"nomedia" => "Deny media",
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"media" => "Contains media",
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"audio" => "Contains audio",
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"video" => "Contains video",
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"archive" => "Contains archive",
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"document" => "Contains document"
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]
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],
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"javascript" => [
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"display" => "Javascript",
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"option" => [
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"any" => "Allow JS",
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"deny" => "Deny JS",
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"require" => "Require JS"
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]
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],
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"trackers" => [
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"display" => "Trackers",
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"option" => [
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"any" => "Allow trackers",
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"deny" => "Deny trackers",
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"require" => "Require trackers"
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]
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],
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"cookies" => [
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"display" => "Cookies",
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"option" => [
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"any" => "Allow cookies",
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"deny" => "Deny cookies",
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"require" => "Require cookies"
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]
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],
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"affiliate" => [
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"display" => "Affiliate links in body",
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"option" => [
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"any" => "Allow affiliate links",
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"deny" => "Deny affiliate links",
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"require" => "Require affiliate links"
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]
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]
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]
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);
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}
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private function get($proxy, $url, $get = [], $get_cookies = 1){
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$curlproc = curl_init();
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switch($get_cookies){
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case 0:
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$cookies = "";
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$cookies_tmp = [];
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curl_setopt($curlproc, CURLOPT_HEADERFUNCTION, function($curlproc, $header) use (&$cookies_tmp){
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$length = strlen($header);
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$header = explode(":", $header, 2);
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if(trim(strtolower($header[0])) == "set-cookie"){
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$cookie_tmp = explode("=", trim($header[1]), 2);
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$cookies_tmp[trim($cookie_tmp[0])] =
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explode(";", $cookie_tmp[1], 2)[0];
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}
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return $length;
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});
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break;
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case 1:
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$cookies = "";
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break;
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default:
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$cookies = "Cookie: " . $get_cookies;
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}
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$headers = [
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"User-Agent: " . config::USER_AGENT,
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"Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8",
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"Accept-Language: en-US,en;q=0.5",
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"Accept-Encoding: gzip",
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"DNT: 1",
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$cookies,
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"Connection: keep-alive",
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"Upgrade-Insecure-Requests: 1",
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"Sec-Fetch-Dest: document",
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"Sec-Fetch-Mode: navigate",
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"Sec-Fetch-Site: none",
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"Sec-Fetch-User: ?1"
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];
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if($get !== []){
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$get = http_build_query($get);
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$url .= "?" . $get;
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}
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curl_setopt($curlproc, CURLOPT_URL, $url);
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curl_setopt($curlproc, CURLOPT_ENCODING, ""); // default encoding
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curl_setopt($curlproc, CURLOPT_HTTPHEADER, $headers);
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curl_setopt($curlproc, CURLOPT_RETURNTRANSFER, true);
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curl_setopt($curlproc, CURLOPT_SSL_VERIFYHOST, 2);
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curl_setopt($curlproc, CURLOPT_SSL_VERIFYPEER, true);
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curl_setopt($curlproc, CURLOPT_CONNECTTIMEOUT, 30);
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curl_setopt($curlproc, CURLOPT_TIMEOUT, 30);
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$this->backend->assign_proxy($curlproc, $proxy);
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$data = curl_exec($curlproc);
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if(curl_errno($curlproc)){
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throw new Exception(curl_error($curlproc));
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}
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if($get_cookies === 0){
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$cookie = [];
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foreach($cookies_tmp as $key => $value){
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$cookie[] = $key . "=" . $value;
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}
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curl_close($curlproc);
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return implode(";", $cookie);
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}
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return $data;
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}
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public function web($get){
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$search = [$get["s"]];
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if(strlen($get["s"]) === 0){
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throw new Exception("Search term is empty!");
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}
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$format = $get["format"];
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$file = $get["file"];
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foreach(
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[
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"javascript" => $get["javascript"],
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"trackers" => $get["trackers"],
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"cookies" => $get["cookies"],
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"affiliate" => $get["affiliate"]
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]
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as $key => $value
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){
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if($value == "any"){ continue; }
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switch($key){
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case "javascript": $str = "js:true"; break;
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case "trackers": $str = "special:tracking"; break;
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case "cookies": $str = "special:cookies"; break;
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case "affiliate": $str = "special:affiliate"; break;
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}
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if($value == "deny"){
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$str = "-" . $str;
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}
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$search[] = $str;
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}
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if($format != "any"){
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$search[] = "format:$format";
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}
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switch($file){
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case "any": break;
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case "nomedia": $search[] = "-special:media"; break;
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case "media": $search[] = "special:media"; break;
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default:
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$search[] = "file:$file";
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}
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$search = implode(" ", $search);
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$out = [
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"status" => "ok",
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"spelling" => [
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"type" => "no_correction",
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"using" => null,
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"correction" => null
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],
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"npt" => null,
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"answer" => [],
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"web" => [],
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"image" => [],
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"video" => [],
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"news" => [],
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"related" => []
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];
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// API scraper
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if(config::MARGINALIA_API_KEY !== null){
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try{
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$json =
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$this->get(
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$this->backend->get_ip(), // no nextpage
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"https://api.marginalia-search.com/" . config::MARGINALIA_API_KEY . "/search/" . urlencode($search),
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[
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"count" => 20
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]
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);
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}catch(Exception $error){
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throw new Exception("Failed to get JSON");
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}
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if($json == "Slow down"){
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throw new Exception("The API key used is rate limited. Please try again in a few minutes.");
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}
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$json = json_decode($json, true);
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foreach($json["results"] as $result){
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$out["web"][] = [
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"title" => $result["title"],
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"description" => str_replace("\n", " ", $result["description"]),
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"url" => $result["url"],
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"date" => null,
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"type" => "web",
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"thumb" => [
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"url" => null,
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"ratio" => null
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],
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"sublink" => [],
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"table" => []
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];
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}
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return $out;
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}
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// HTML parser
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$proxy = $this->backend->get_ip();
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//
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// Bypass anubis check
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//
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/*
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if(($anubis_key = apcu_fetch("marginalia_cookie")) === false){
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try{
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$html =
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$this->get(
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$proxy,
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"https://old-search.marginalia.nu/search",
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[
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"query" => $search
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]
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);
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}catch(Exception $error){
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throw new Exception("Failed to get anubis challenge");
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}
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try{
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$anubis_data = $this->anubis->scrape($html);
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}catch(Exception $error){
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throw new Exception($error);
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}
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// send anubis response & get cookies
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// https://old-search.marginalia.nu/.within.website/x/cmd/anubis/api/pass-challenge?response=0000018966b086834f738bacba6031028adb5aa875974ead197a8b75778baf3a&nonce=39947&redir=https%3A%2F%2Fold-search.marginalia.nu%2F&elapsedTime=1164
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try{
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$anubis_key =
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$this->get(
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$proxy,
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"https://old-search.marginalia.nu/.within.website/x/cmd/anubis/api/pass-challenge",
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[
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"response" => $anubis_data["response"],
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"nonce" => $anubis_data["nonce"],
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"redir" => "https://old-search.marginalia.nu/",
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"elapsedTime" => random_int(1000, 2000)
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],
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0
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);
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}catch(Exception $error){
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throw new Exception("Failed to submit anubis challenge");
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}
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apcu_store("marginalia_cookie", $anubis_key);
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}*/
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if($get["npt"]){
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[$params, $proxy] =
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$this->backend->get(
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$get["npt"],
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"web"
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);
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try{
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$html =
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$this->get(
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$proxy,
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"https://old-search.marginalia.nu/search?" . $params,
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[],
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//$anubis_key
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);
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}catch(Exception $error){
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throw new Exception("Failed to get HTML");
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}
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}else{
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$params = [
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"query" => $search
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];
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foreach(["adtech", "recent", "intitle"] as $v){
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if($get[$v] == "yes"){
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switch($v){
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case "adtech": $params["adtech"] = "reduce"; break;
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case "recent": $params["recent"] = "recent"; break;
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case "adtech": $params["searchTitle"] = "title"; break;
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}
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}
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}
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try{
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$html =
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$this->get(
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$proxy,
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"https://old-search.marginalia.nu/search",
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$params,
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//$anubis_key
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);
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}catch(Exception $error){
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throw new Exception("Failed to get HTML");
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}
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}
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$this->fuckhtml->load($html);
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$sections =
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$this->fuckhtml
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->getElementsByClassName(
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"card search-result",
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"section"
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);
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foreach($sections as $section){
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$this->fuckhtml->load($section);
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$title =
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$this->fuckhtml
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->getElementsByClassName(
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"title",
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"a"
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)[0];
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$description =
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$this->fuckhtml
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->getElementsByClassName(
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"description",
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"p"
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);
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if(count($description) !== 0){
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$description =
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$this->fuckhtml
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->getTextContent(
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$description[0]
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);
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}else{
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$description = null;
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}
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$sublinks = [];
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$sublink_html =
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$this->fuckhtml
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->getElementsByClassName("additional-results");
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if(count($sublink_html) !== 0){
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$this->fuckhtml->load($sublink_html[0]);
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$links =
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$this->fuckhtml
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->getElementsByTagName("a");
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foreach($links as $link){
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$sublinks[] = [
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"title" =>
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$this->fuckhtml
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->getTextContent(
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$link
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),
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"date" => null,
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"description" => null,
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"url" =>
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$this->fuckhtml
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->getTextContent(
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$link["attributes"]["href"]
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)
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];
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}
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}
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$out["web"][] = [
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"title" =>
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$this->fuckhtml
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->getTextContent(
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$title
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),
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"description" => $description,
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"url" =>
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$this->fuckhtml
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->getTextContent(
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$title["attributes"]["href"]
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),
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"date" => null,
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"type" => "web",
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"thumb" => [
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"url" => null,
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"ratio" => null
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],
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"sublink" => $sublinks,
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"table" => []
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];
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}
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// get next page
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$this->fuckhtml->load($html);
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$pagination =
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$this->fuckhtml
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->getElementsByAttributeValue(
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"aria-label",
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"pagination",
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"nav"
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);
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if(count($pagination) === 0){
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// no pagination
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return $out;
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}
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$this->fuckhtml->load($pagination[0]);
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$pages =
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$this->fuckhtml
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->getElementsByClassName(
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"page-link",
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"a"
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);
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$found_current_page = false;
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foreach($pages as $page){
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if(
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stripos(
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$page["attributes"]["class"],
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"active"
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) !== false
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){
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$found_current_page = true;
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continue;
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}
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if($found_current_page){
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// we found current page index, and we iterated over
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// the next page <a>
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$out["npt"] =
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$this->backend->store(
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parse_url(
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$page["attributes"]["href"],
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PHP_URL_QUERY
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),
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"web",
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$proxy
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);
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break;
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}
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}
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return $out;
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}
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}
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