Initial commit

README.md

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+LBAntiHacks - A (not so) simple plugin for adding AntiHacks to your server
+======

plugin.yml

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+name: LBAntiHacks
+main: LBAntiHacks\Main
+version: 0.0.1
+api: [1.4.0]
+load:
+author: LBSG
+description: Lifeboat AntiHacks Plugin For All
+website: https://lbsg.net
+commands:
+ lbantihacks:
+  description: "Manages LBAntiHacks"
+  aliases: [ah, antihacks]
+  usage: "/lbantihacks <command> <args>"
+  permission: lbantihacks
+permissions:
+ lbantihacks:
+  default: op
+  description: "Commands that handle all things AntiHacks"

resources/config.yml

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+# Whether or not to disable antihacks
+lbantihacks: true
+
+# Whether or not the antihacks can
+# be managed by anyone other than OP
+onlyOp: true
+
+# Array of usernames to a whitelist
+users:
+    humerusj
+    williamtdr
+    brandon15811

src/AntiHack/AntiHack.php

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+<?php
+
+namespace AntiHack;
+
+use pocketmine\plugin\Plugin;
+use pocketmine\Server;
+
+use AntiHack\AntiHackEventListener;
+use AntiHack\AntiHackTick;
+
+/**
+ * Base class for antihack add-on,
+ * calls event listener and task
+ */
+class AntiHack {
+	/**@var array*/
+	public $hackScore = array();	
+	/** @var AntiHack */
+	static private $instance;
+	//protected
+	private function __construct() {}	
+	private function __clone() {}	
+	public function __destruct() {}
+
+	/**
+	 * 
+	 * implementation of singleton pattern
+	 * 
+	 * @return AntiHack
+	 */
+	static public function getInstance() {
+		if (is_null(self::$instance)) {
+			self::$instance = new self();
+		}
+		return self::$instance;
+	}
+
+	/**
+	 * Enable EventKistener and Task
+	 * 
+	 * @param Plugin $plugin
+	 */
+	static public function enable(Plugin $plugin) {
+		self::getInstance();
+		Server::getInstance()->getPluginManager()->registerEvents(
+			new AntiHackEventListener(), $plugin
+		);
+
+		Server::getInstance()->getScheduler()->scheduleRepeatingTask(
+			new AntiHackTick(), 40
+		);
+		Server::getInstance()->getScheduler()->scheduleRepeatingTask(
+			new AntiHackSuspicionTick(), 20 * 60
+		);
+	}		
+}

src/AntiHack/AntiHackEventListener.php

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+<?php
+
+namespace AntiHack;
+
+use pocketmine\event\player\PlayerMoveEvent;
+use pocketmine\event\player\PlayerQuitEvent;
+use pocketmine\event\entity\EntityMotionEvent;
+use pocketmine\event\player\PlayerBucketFillEvent;
+use pocketmine\Player;
+use pocketmine\event\Listener;
+use AntiHack\AntiHack;
+
+/**
+ * Antihack listener search for non-allowed actions like:
+ * flying, fast movings, fill bucket with lava
+ */
+class AntiHackEventListener implements Listener {
+	const PLAYER_MAX_SPEED = 8;
+	/**@var AntiHack*/
+	private $plugin;
+	/**@var array*/
+	private $flyPlayers = array();
+	/**@var array*/
+	private $movePlayers = array();
+
+	public function __construct() {
+		$this->plugin = AntiHack::getInstance();
+	}
+
+	/**
+	 * @param EntityMotionEvent $event
+	 */
+	public function onEntityMotion(EntityMotionEvent $event){
+		$player = $event->getEntity();
+		if($player instanceof Player){
+			if(isset($this->movePlayers[$player->getId()])){
+				$this->movePlayers[$player->getId()]["freeze"] = 2;
+			}
+
+		}
+	}
+
+	/**
+	 * Look for flying and extraspeed players, increment their hack score
+	 *
+	 * @param PlayerMoveEvent $event
+	 */
+	public function onPLayerMove(PlayerMoveEvent $event) {
+		//http://minecraft.gamepedia.com/Transportation
+		$player = $event->getPlayer();
+		$dY = (int)(round($event->getTo()->getY() - $event->getFrom()->getY(), 3) * 1000);
+		if($player->airTicks > 20 && $dY >= 0){
+			$maxY = $player->getLevel()->getHighestBlockAt(floor($event->getTo()->getX()), floor($event->getTo()->getZ()));
+			if($event->getTo()->getY() - 5 > $maxY) {
+				$score = ($event->getTo()->getY() - $maxY) / 5;
+				if(isset($this->plugin->hackScore[$player->getId()])){
+					$this->plugin->hackScore[$player->getId()]["score"] += $score;
+					if(!isset($this->plugin->hackScore[$player->getId()]["reason"]["Fly"])){
+						$this->plugin->hackScore[$player->getId()]["reason"]["Fly"] = "Fly";
+					}
+				} else{
+					$this->plugin->hackScore[$player->getId()] = array();
+					$this->plugin->hackScore[$player->getId()]["score"] = $score;
+					$this->plugin->hackScore[$player->getId()]["integral"] = 0;
+					$this->plugin->hackScore[$player->getId()]["reason"] = array("Fly" => "Fly");
+					$this->plugin->hackScore[$player->getId()]["suspicion"] = 0;
+				}
+			}
+		}
+
+		//fly vertical speed
+
+		if($dY > 0 && $dY % 375 == 0) {
+			if(isset($this->flyPlayers[$player->getId()])){
+				$this->flyPlayers[$player->getId()]++;
+			} else{
+				$this->flyPlayers[$player->getId()] = 1;
+			}
+		}else{
+			$this->flyPlayers[$player->getId()] = 0;
+		}
+
+		if($this->flyPlayers[$player->getId()] >= 3){
+			$flyPoint = $this->flyPlayers[$player->getId()];
+			$this->flyPlayers[$player->getId()] = 0;
+			if(isset($this->plugin->hackScore[$player->getId()])){
+				$this->plugin->hackScore[$player->getId()]["score"] += $flyPoint;
+				if(!isset($this->plugin->hackScore[$player->getId()]["reason"]["Vertical speed"])){
+					$this->plugin->hackScore[$player->getId()]["reason"]["Vertical speed"] = "Vertical speed";
+				}
+			} else{
+				$this->plugin->hackScore[$player->getId()] = array();
+				$this->plugin->hackScore[$player->getId()]["score"] = $flyPoint;
+				$this->plugin->hackScore[$player->getId()]["integral"] = 0;
+				$this->plugin->hackScore[$player->getId()]["reason"] = array("Vertical speed" => "Vertical speed");
+				$this->plugin->hackScore[$player->getId()]["suspicion"] = 0;
+			}
+		}
+		if(!isset($this->movePlayers[$player->getId()])){
+			$this->movePlayers[$player->getId()] = array();
+			$this->movePlayers[$player->getId()]["time"] = time();
+			$this->movePlayers[$player->getId()]["distance"] = 0;
+		}
+		if($this->movePlayers[$player->getId()]["time"] != time()){
+			if(!isset($this->movePlayers[$player->getId()]["freeze"]) || $this->movePlayers[$player->getId()]["freeze"] < 1){
+				if($this->movePlayers[$player->getId()]["distance"] > self::PLAYER_MAX_SPEED * 1.1){
+					if(isset($this->plugin->hackScore[$player->getId()])){
+						$this->plugin->hackScore[$player->getId()]["score"] += ($this->movePlayers[$player->getId()]["distance"] - 4) / 4;
+						if(!isset($this->plugin->hackScore[$player->getId()]["reason"]["Speed"])){
+							$this->plugin->hackScore[$player->getId()]["reason"]["Speed"] = "Speed";
+						}
+					} else{
+						$this->plugin->hackScore[$player->getId()] = array();
+						$this->plugin->hackScore[$player->getId()]["score"] =($this->movePlayers[$player->getId()]["distance"] - 4) / 4;
+						$this->plugin->hackScore[$player->getId()]["integral"] = 0;
+						$this->plugin->hackScore[$player->getId()]["reason"] = array("Speed" => "Speed");
+						$this->plugin->hackScore[$player->getId()]["suspicion"] = 0;
+					}
+				}
+			} else{
+				$this->movePlayers[$player->getId()]["freeze"]--;
+			}
+			$this->movePlayers[$player->getId()]["time"] = time();
+			$this->movePlayers[$player->getId()]["distance"] = 0;
+		}
+
+		$oldPos= $event->getFrom();
+		$newPos = $event->getTo();
+		$this->movePlayers[$player->getId()]["distance"] += sqrt(($newPos->getX() - $oldPos->getX()) ** 2 + ($newPos->getZ() - $oldPos->getZ()) ** 2);
+	}
+
+	/**
+	 * remove player from class data fields
+	 *
+	 * @param PlayerQuitEvent $event
+	 */
+	public function onPlayerQuit(PlayerQuitEvent $event) {
+		$player = $event->getPlayer();
+		unset($this->movePlayers[$player->getId()]);
+		unset($this->flyPlayers[$player->getId()]);
+		unset($this->plugin->hackScore[$player->getId()]);
+	}
+
+	/**
+	 * Cancel cause of lava pour men
+	 *
+	 * @param PlayerBucketFillEvent $event
+	 */
+	public function onPlayerBucketFill(PlayerBucketFillEvent $event) {
+		$event->setCancelled(true);
+	}
+}

src/AntiHack/AntiHackSuspicionTick.php

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+<?php
+namespace AntiHack;
+
+use AntiHack\AntiHack;
+use pocketmine\scheduler\Task;
+
+/**
+ * Make permanent checks for cheaters
+ */
+class AntiHackSuspicionTick extends Task {
+	/**@var AntiHack*/
+	private $plugin;
+
+
+	public function __construct() {
+		$this->plugin = AntiHack::getInstance();
+	}
+
+	/**
+	 * @param $currentTick
+	 */
+	public function onRun($currentTick) {
+		foreach ($this->plugin->hackScore as $playerId => $data){			
+			if($data["suspicion"] > 0){
+				$this->plugin->hackScore[$playerId]["suspicion"] --;
+			}
+		}
+	}
+
+}

src/AntiHack/AntiHackTick.php

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+<?php
+namespace AntiHack;
+
+use AntiHack\AntiHack;
+use pocketmine\scheduler\Task;
+use pocketmine\Server;
+
+/**
+ * Make permanent checks for cheaters
+ */
+class AntiHackTick extends Task {
+	/**@var AntiHack*/
+	private $plugin;
+	/**@var string*/
+	private $serverIp;
+	/**@var string*/
+	private $serverName;
+	/**@var string*/
+	private $path;
+
+
+	public function __construct() {
+		$this->plugin = AntiHack::getInstance();
+		$this->serverIp = Server::getInstance()->getIp();
+		$this->serverName = "server";
+		$this->path = Server::getInstance()->getDataPath() . "logs/";
+	}
+
+	/**
+	 * Kick player if his hack score is maximum,
+	 * or unset hack score for honest players
+	 *
+	 * @param $currentTick
+	 */
+	public function onRun($currentTick) {
+		$players = Server::getInstance()->getDefaultLevel()->getPlayers();
+		foreach ($this->plugin->hackScore as $playerId => $data){
+			$this->plugin->hackScore[$playerId]["integral"] += $data["score"] - 1;
+			if($this->plugin->hackScore[$playerId]["integral"] < 0) {
+				$this->plugin->hackScore[$playerId]["integral"] = 0;
+			}
+			if($data["score"] >= 3) {
+				$this->plugin->hackScore[$playerId]["suspicion"]++;
+			}
+			$log =  str_pad(date("G:i"), 12) . str_pad($players[$playerId]->getName(), 20) . str_pad("SCORE: " . round($this->plugin->hackScore[$playerId]["score"], 2), 20) . str_pad("HINT: " . round($this->plugin->hackScore[$playerId]["integral"], 2), 20) . str_pad("SUS: " . $this->plugin->hackScore[$playerId]["suspicion"], 20) . "REASON: " . implode("/", $this->plugin->hackScore[$playerId]["reason"]) . "\n";
+			$filename = $this->path . date('Y.m.d') . '_' . $this->serverName . '_hack.txt';
+			if(!file_exists($filename)) {
+				$title = "#Hacking Log File\n#HINT = Hacking Integration\n#SCORE = Hacking score\n#SUS = How much they are supected of hacking.\n"
+						. str_pad("Time (UTC)", 12) . str_pad("Player Name", 20) . str_pad("Hacking Score", 20) . str_pad("Hacking Integration", 20) . str_pad("Suspicion Count", 20) ."Reason\n";
+				@file_put_contents($filename, $title, FILE_APPEND | LOCK_EX);
+			}
+			if($this->plugin->hackScore[$playerId]["integral"] > 0) {
+				@file_put_contents($filename, $log, FILE_APPEND | LOCK_EX);
+			}
+
+			$scoreToKick = 5;
+			if($this->plugin->hackScore[$playerId]["suspicion"] >= 8){
+				$scoreToKick = 3;
+			} elseif($this->plugin->hackScore[$playerId]["suspicion"] >= 4 ){
+				$scoreToKick = 4;
+			}
+
+			if($players[$playerId]->hackingFlag) {
+				$scoreToKick--;
+			}
+			if(strpos($players[$playerId]->getName(), 'hack') !== false || strpos($players[$playerId]->getName(), 'hqck') !== false) {
+				$scoreToKick--;
+			}
+
+			if($this->plugin->hackScore[$playerId]["integral"] > $scoreToKick){
+				$log =  str_pad(date("G:i"), 12) . str_pad($players[$playerId]->getName(), 20) . str_pad("", 20) . str_pad("HINT: " . round($this->plugin->hackScore[$playerId]["integral"], 2), 20) . str_pad("SUS: " . $this->plugin->hackScore[$playerId]["suspicion"], 20) . "Player kicked \n";
+				//$log = date("G:i") . " " . str_pad($players[$playerId]->getName(), 20) . " HINT: " . round($this->plugin->hackScore[$playerId]["integral"], 2) . " SUS: " . $this->plugin->hackScore[$playerId]["suspicion"] . " Player kicked \n";
+				@file_put_contents($filename, $log, FILE_APPEND | LOCK_EX);
+				$players[$playerId]->kick("Cheating is not permitted here. Sorry!");
+			} elseif($this->plugin->hackScore[$playerId]["integral"] <= 0 && $this->plugin->hackScore[$playerId]["suspicion"] <= 0){
+				unset($this->plugin->hackScore[$playerId]);
+			} else{
+				$this->plugin->hackScore[$playerId]["score"] = 0;
+				$this->plugin->hackScore[$playerId]["reason"] = array();
+			}
+		}
+	}
+}