MojangAPI.class.php

<?php

Class MojangAPI{

	private $db;
	private $playersTable = "minecraft_player";

	private $fetchInterval = 60;

	public $using;
	public $username;
	public $uuid;
	private $userData;

	public function __construct(){
		$this->db = Db::getInstance();
	}

	public function useUsername($username){
		$this->using = "username";
		$this->username = $username;
	}

	public function useUuid($uuid){
		$this->using = "uuid";
		$this->uuid = $uuid;
	}

	public function getUserData(){
		$fetch = false;
		if($dbUser = $this->getDbUser()){
			$this->using = "uuid";
			$this->uuid = $dbUser['uuid'];
			if($this->shouldFetch($dbUser['last_fetched'])){
				$fetch = true;
			}else{
				$userData = $dbUser;
			}
		}else{
			$fetch = true;
		}
		if($fetch){
			$userData = $this->fetchUserFromAPI();
			if(!$userData){
				return false;
			}
			$userData['last_fetched'] = time();
			$this->updateOrCreateUser($userData,(bool)$dbUser);				
		}
		unset($userData['id']);
		$this->userData = $userData;
	}

	public function updateOrCreateUser($userData,$create = false){
		if($create){
			$this->db->where('uuid',$userData['uuid']);
			$this->db->update($this->playersTable,$userData);
		}else{		
			$this->db->insert($this->playersTable,$userData);
		}
	}

	public function fetchUuidFromUsername($username){
		$rawData = file_get_contents("https://api.mojang.com/users/profiles/minecraft/".$username);
		if(!(bool)$rawData){return false;}
		$jsonData = json_decode($rawData,true);
		return $jsonData['id'];
	}

	public function fetchUserFromAPI(){
		if($this->using == "username"){
			$this->uuid = $this->fetchUuidFromUsername($this->username);
		}

		@$rawData = file_get_contents("https://sessionserver.mojang.com/session/minecraft/profile/".$this->uuid);
		if((bool)$rawData == false){return false;}
		$jsonData = json_decode($rawData,true);
		$data = json_decode(base64_decode($jsonData['properties'][0]['value']),true);
		$userData['uuid'] = $data['profileId'];
		$userData['username'] = $data['profileName'];
		$userData['skin_base64'] = base64_encode(@file_get_contents($data['textures']['SKIN']['url'])) ?: null;
		$userData['cape_base64'] = base64_encode(@file_get_contents($data['textures']['CAPE']['url'])) ?: null;
		$userData['name_history'] = @file_get_contents("https://api.mojang.com/user/profiles/".$this->uuid."/names");
		return $userData;

	}

	public function getDbUser(){
		$result = $this->db->where($this->using,$this->{$this->using})->getOne($this->playersTable);
		if($this->db->count == 0){return false;}
		return $result;
	}

	public function shouldFetch($timestamp){
		if(in_array($timestamp,array("",NULL,0,-1,false))){return true;}
		if((time() - $timestamp) > $this->fetchInterval){return true;}
		return false;
	}

	public function getSkinSrc(){
		return 'data:image/png;base64, '.$this->userData['skin_base64'];
	}

	public function getUsername(){
		return $this->userData['username'];		
	}

	public function getUuid(){
		return $this->userData['uuid'];		
	}

	public function getSecondsSinceLastFetch(){
		if(time() - $this->userData['last_fetched'] == 0){return "just now";}
		return time() - $this->userData['last_fetched'];
	}
	
	public function getSkinBase64(){
		return $this->userData['skin_base64'];
	}
}