TrackManiaControl/core/Commands/CommandManager.php

398 lines
11 KiB
PHP

<?php
namespace ManiaControl\Commands;
use ManiaControl\Admin\AuthenticationManager;
use ManiaControl\Callbacks\CallbackListener;
use ManiaControl\Callbacks\CallbackManager;
use ManiaControl\Callbacks\Callbacks;
use ManiaControl\Callbacks\Listening;
use ManiaControl\General\UsageInformationAble;
use ManiaControl\General\UsageInformationTrait;
use ManiaControl\ManiaControl;
/**
* Class for handling Chat Commands
*
* @author ManiaControl Team <mail@maniacontrol.com>
* @copyright 2014-2020 ManiaControl Team
* @license http://www.gnu.org/licenses/ GNU General Public License, Version 3
*/
class CommandManager implements CallbackListener, UsageInformationAble {
use UsageInformationTrait;
/*
* Constants
*/
const SETTING_PERMISSION_ADMIN_COMMANDS = "Minimum permissions level to use admin commands";
/*
* Private properties
*/
/** @var ManiaControl $maniaControl */
private $maniaControl = null;
/** @var HelpManager $helpManager */
private $helpManager = array();
/** @var Listening[][] $commandListenings */
private $commandListenings = array();
/** @var CommandListener[][] $disabledCommands */
private $disabledCommands = array();
/** @var Listening[][] $adminCommandListenings */
private $adminCommandListenings = array();
/** @var CommandListener[][] $disabledAdminCommands */
private $disabledAdminCommands = array();
/**
* Construct a new Commands Manager
*
* @param ManiaControl $maniaControl
*/
public function __construct(ManiaControl $maniaControl) {
$this->maniaControl = $maniaControl;
// Children
$this->helpManager = new HelpManager($this->maniaControl);
// Callbacks
$this->maniaControl->getCallbackManager()->registerCallbackListener(CallbackManager::CB_MP_PLAYERCHAT, $this, 'handleChatCallback');
$this->maniaControl->getCallbackManager()->registerCallbackListener(Callbacks::AFTERINIT, $this, 'handleAfterInit');
}
public function handleAfterInit() {
// Permissions
$this->maniaControl->getAuthenticationManager()->definePermissionLevel(self::SETTING_PERMISSION_ADMIN_COMMANDS, AuthenticationManager::AUTH_LEVEL_MODERATOR, AuthenticationManager::AUTH_LEVEL_PLAYER);
}
/**
* Return the help manager instance
*
* @return HelpManager
*/
public function getHelpManager() {
return $this->helpManager;
}
/**
* Register a Command Listener
*
* @param string $commandName
* @param CommandListener $listener
* @param string $method
* @param bool $adminCommand
* @param string $description
* @return bool
*/
public function registerCommandListener($commandName, CommandListener $listener, $method, $adminCommand = false, $description = "No Description.") {
if (is_array($commandName)) {
$success = false;
foreach ($commandName as $command) {
if ($this->registerCommandListener($command, $listener, $method, $adminCommand, $description)) {
$success = true;
}
}
return $success;
}
if (!Listening::checkValidCallback($listener, $method)) {
$listenerClass = get_class($listener);
trigger_error("Given Listener '{$listenerClass}' can't handle Command '{$commandName}': No callable Method '{$method}'!");
return false;
}
$command = strtolower($commandName);
$listening = new Listening($listener, $method);
if ($adminCommand) {
$this->addListening($this->adminCommandListenings, $listening, $command);
} else {
$this->addListening($this->commandListenings, $listening, $command);
}
// TODO: description(?)
if ($description) {
$this->helpManager->registerCommand($command, $adminCommand, $description, get_class($listener) . '\\' . $method);
}
return true;
}
/**
* Add a Listening to the given Listenings Array
*
* @param array $listeningsArray
* @param Listening $listening
* @param string $command
*/
private function addListening(array &$listeningsArray, Listening $listening, $command) {
if (!array_key_exists($command, $listeningsArray) || !is_array($listeningsArray[$command])) {
// Init listenings array
$listeningsArray[$command] = array();
}
// Register command listening
array_push($listeningsArray[$command], $listening);
}
/**
* Disable the command(s) by the given listener.
* The specific listener has to also manually reenable the commands, before the command can be used again.
* @param mixed $commandName
* @param bool $adminCommand
* @param CommandListener $listener
*/
public function disableCommand($commandName, $adminCommand, CommandListener $listener) {
if (is_array($commandName)) {
foreach ($commandName as $command) {
$this->disableCommand($command, $adminCommand, $listener);
}
return;
}
$command = strtolower(trim($commandName));
// first, check if the command actually exists
if (!array_key_exists($command, $this->commandListenings) && !array_key_exists($command, $this->adminCommandListenings)) {
return;
}
$disabledCommands = null;
if ($adminCommand) {
$disabledCommands = &$this->disabledAdminCommands;
} else {
$disabledCommands = &$this->disabledCommands;
}
if (!array_key_exists($command, $disabledCommands)) {
$disabledCommands[$command] = array();
}
if (!in_array($listener, $disabledCommands[$command])) {
array_push($disabledCommands[$command], $listener);
}
}
/**
* Enable the command(s) by the given listener.
* @param mixed $commandName
* @param bool $adminCommand
* @param CommandListener $listener
*/
public function enableCommand($commandName, $adminCommand, CommandListener $listener) {
if (is_array($commandName)) {
foreach ($commandName as $command) {
$this->enableCommand($command, $adminCommand, $listener);
}
return;
}
$command = strtolower(trim($commandName));
$disabledCommands = null;
if ($adminCommand) {
$disabledCommands = &$this->disabledAdminCommands;
} else {
$disabledCommands = &$this->disabledCommands;
}
if (!array_key_exists($command, $disabledCommands)) {
return;
}
if (($key = array_search($listener, $disabledCommands[$command])) !== false) {
unset($disabledCommands[$command][$key]);
if (empty($disabledCommands[$command])) {
unset($disabledCommands[$command]);
}
}
}
/**
* Checks if a command is enabled.
* @param mixed $commandName
* @param bool $adminCommand
* @return bool|array
*/
public function isCommandEnabled($commandName, $adminCommand) {
if (is_array($commandName)) {
$results = array();
foreach ($commandName as $command) {
array_push($results, $this->isCommandEnabled($command, $adminCommand));
}
$resultsUnique = array_unique($results);
if (count($resultsUnique) === 1) {
return $resultsUnique[0];
}
return $results;
}
$command = strtolower(trim($commandName));
$disabledCommands = null;
if ($adminCommand) {
$disabledCommands = &$this->disabledAdminCommands;
} else {
$disabledCommands = &$this->disabledCommands;
}
if (!array_key_exists($command, $disabledCommands)) {
return true;
}
// if the command is disabled, there should be at least one listener in the array
assert(!empty($disabledCommands[$command]));
return false;
}
/**
* Removes the given CommandListener blocking commands.
*
* @param array &$disabledCommands
* @param CommandListener $listener
* @return bool
*/
private function removeDisabledCommandListener(array &$disabledCommands, CommandListener $listener) {
$removed = false;
foreach ($disabledCommands as $command => $disableListeners) {
if (($key = array_search($listener, $disableListeners)) !== false) {
unset($disabledCommands[$command][$key]);
$removed = true;
if (empty($disabledCommands[$command])) {
unset($disabledCommands[$command]);
}
}
}
return $removed;
}
/**
* Unregister a Command Listener
*
* @param CommandListener $listener
* @return bool
*/
public function unregisterCommandListener(CommandListener $listener) {
$removed = false;
if ($this->removeCommandListener($this->commandListenings, $listener)) {
$removed = true;
}
if ($this->removeCommandListener($this->adminCommandListenings, $listener)) {
$removed = true;
}
if ($this->removeDisabledCommandListener($this->disabledCommands, $listener)) {
$removed = true;
}
if ($this->removeDisabledCommandListener($this->disabledAdminCommands, $listener)) {
$removed = true;
}
return $removed;
}
/**
* Remove the Command Listener from the given Listenings Array
*
* @param array $listeningsArray
* @param CommandListener $listener
* @return bool
*/
private function removeCommandListener(array &$listeningsArray, CommandListener $listener) {
$removed = false;
foreach ($listeningsArray as &$listenings) {
foreach ($listenings as $key => &$listening) {
if ($listening->listener === $listener) {
unset($listenings[$key]);
$removed = true;
}
}
}
return $removed;
}
/**
* Handle Chat Callback
*
* @param array $callback
*/
public function handleChatCallback(array $callback) {
// Check for command
if (!$this->isCommandMessage($callback)) {
return;
}
// Check for valid player
$login = $callback[1][1];
$player = $this->maniaControl->getPlayerManager()->getPlayer($login);
if (!$player) {
return;
}
// Parse command
$message = $callback[1][2];
$commandArray = explode(' ', $message);
$command = ltrim(strtolower($commandArray[0]), '/');
if (!$command) {
return;
}
$isAdminCommand = null;
if (substr($message, 0, 2) === '//' || $command === 'admin') {
// Admin command
$isAdminCommand = true;
$commandListenings = $this->adminCommandListenings;
if (!$this->maniaControl->getAuthenticationManager()->checkPermission($player, self::SETTING_PERMISSION_ADMIN_COMMANDS)) {
$this->maniaControl->getAuthenticationManager()->sendNotAllowed($player);
return;
}
if ($command === 'admin') {
// Strip 'admin' keyword
if (isset($commandArray[1])) {
$command = $commandArray[1];
unset($commandArray[1]);
}
}
unset($commandArray[0]);
// Compose uniformed message
$message = '//' . $command . ' ' . implode(' ', $commandArray);
$callback[1][2] = $message;
} else {
// User command
$isAdminCommand = false;
$commandListenings = $this->commandListenings;
}
if (!array_key_exists($command, $commandListenings) || !is_array($commandListenings[$command])) {
// No command listener registered
return;
}
if (!$this->isCommandEnabled($command, $isAdminCommand)) {
$prefix = $isAdminCommand ? '//' : '/';
$message = $this->maniaControl->getChat()->formatMessage(
'The command %s%s is currently disabled!',
$prefix,
$command
);
$this->maniaControl->getChat()->sendError($message, $player);
return;
}
// Inform command listeners
foreach ($commandListenings[$command] as $listening) {
/** @var Listening $listening */
$listening->triggerCallback($callback, $player);
}
}
/**
* Check if the given Chat Callback is a Command Message
*
* @param array $chatCallback
* @return bool
*/
private function isCommandMessage(array $chatCallback) {
return (bool) $chatCallback[1][3];
}
}