UpdateCheckTask.php

<?php
 
/*
 *
 *  ____            _        _   __  __ _                  __  __ ____
 * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \
 * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
 * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/
 * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_|
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * @author PocketMine Team
 * @link http://www.pocketmine.net/
 *
 *
 */
 
declare(strict_types=1);
 
namespace pocketmine\updater;
 
use pocketmine\scheduler\AsyncTask;
use pocketmine\utils\Internet;
use function is_array;
use function is_string;
use function json_decode;
 
class UpdateCheckTask extends AsyncTask{
    private const TLS_KEY_UPDATER = "updater";
 
    private string $error = "Unknown error";
 
    public function __construct(
        UpdateChecker $updater,
        private string $endpoint,
        private string $channel
    ){
        $this->storeLocal(self::TLS_KEY_UPDATER, $updater);
    }
 
    public function onRun() : void{
        $error = "";
        $response = Internet::getURL($this->endpoint . "?channel=" . $this->channel, 4, [], $error);
        $this->error = $error;
 
        if($response !== null){
            $response = json_decode($response->getBody(), true);
            if(is_array($response)){
                if(isset($response["error"]) && is_string($response["error"])){
                    $this->error = $response["error"];
                }else{
                    $mapper = new \JsonMapper();
                    $mapper->bExceptionOnMissingData = true;
                    $mapper->bStrictObjectTypeChecking = true;
                    $mapper->bEnforceMapType = false;
                    try{
                        $responseObj = $mapper->map($response, new UpdateInfo());
                        $this->setResult($responseObj);
                    }catch(\JsonMapper_Exception $e){
                        $this->error = "Invalid JSON response data: " . $e->getMessage();
                    }
                }
            }else{
                $this->error = "Invalid response data";
            }
        }
    }
 
    public function onCompletion() : void{
        $updater = $this->fetchLocal(self::TLS_KEY_UPDATER);
        if($this->hasResult()){
            $response = $this->getResult();
            $updater->checkUpdateCallback($response);
        }else{
            $updater->checkUpdateError($this->error);
        }
    }
}