bypass anubis bullshit on marginalia
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<?php
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//
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// Reference
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// https://github.com/TecharoHQ/anubis/blob/ecc716940e34ebe7249974f2789a99a2c7115e4e/web/js/proof-of-work.mjs
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//
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class anubis{
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public function __construct(){
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include_once "fuckhtml.php";
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$this->fuckhtml = new fuckhtml();
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}
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public function scrape($html){
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$this->fuckhtml->load($html);
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$script =
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$this->fuckhtml
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->getElementById(
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"anubis_challenge",
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"script"
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);
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if(count($script) === 0){
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throw new Exception("Failed to scrape anubis challenge data");
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}
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$script =
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json_decode(
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$this->fuckhtml
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->getTextContent(
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$script
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),
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true
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);
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if($script === null){
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throw new Exception("Failed to decode anubis challenge data");
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}
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if(
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!isset($script["challenge"]) ||
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!isset($script["rules"]["difficulty"]) ||
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!is_int($script["rules"]["difficulty"]) ||
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!is_string($script["challenge"])
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){
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throw new Exception("Found invalid challenge data");
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}
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return $this->rape($script["challenge"], $script["rules"]["difficulty"]);
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}
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private function is_valid_hash($hash, $difficulty){
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for ($i=0; $i<$difficulty; $i++) {
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$index = (int)floor($i / 2);
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$nibble = $i % 2;
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$byte = ord($hash[$index]);
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$nibble = ($byte >> ($nibble === 0 ? 4 : 0)) & 0x0f;
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if($nibble !== 0){
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return false;
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}
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}
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return true;
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}
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public function rape($data, $difficulty = 5){
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$nonce = 0;
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while(true){
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$hash_binary = hash("sha256", $data . $nonce, true);
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if($this->is_valid_hash($hash_binary, $difficulty)){
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$hash_hex = bin2hex($hash_binary);
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return [
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"response" => $hash_hex,
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//"data" => $data,
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//"difficulty" => $difficulty,
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"nonce" => $nonce
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];
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}
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$nonce++;
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}
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}
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}
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@ -3,7 +3,10 @@
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class marginalia{
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public function __construct(){
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include "lib/fuckhtml.php";
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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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@ -102,7 +105,40 @@ class marginalia{
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);
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}
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private function get($proxy, $url, $get = []){
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private function get($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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@ -110,6 +146,7 @@ class marginalia{
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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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$cookies,
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"Connection: keep-alive",
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"Upgrade-Insecure-Requests: 1",
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"Sec-Fetch-Dest: document",
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@ -118,8 +155,6 @@ class marginalia{
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"Sec-Fetch-User: ?1"
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];
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$curlproc = curl_init();
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if($get !== []){
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$get = http_build_query($get);
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$url .= "?" . $get;
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@ -145,7 +180,19 @@ class marginalia{
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throw new Exception(curl_error($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 $data;
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}
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@ -267,6 +314,55 @@ class marginalia{
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// HTML parser
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$proxy = $this->backend->get_ip();
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//
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// Bypass anubis check
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//
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if(($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/"
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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, $proxy] =
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@ -279,7 +375,9 @@ class marginalia{
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$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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"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 $error){
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@ -309,7 +407,8 @@ class marginalia{
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$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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$params,
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$anubis_key
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);
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}catch(Exception $error){
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