PocketMine-MP/src/pocketmine/plugin/PluginManager.php
2014-04-28 01:42:20 +02:00

686 lines
17 KiB
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/
*
*
*/
namespace pocketmine\plugin;
use pocketmine\command\PluginCommand;
use pocketmine\command\SimpleCommandMap;
use pocketmine\event\Event;
use pocketmine\event\EventPriority;
use pocketmine\event\HandlerList;
use pocketmine\event\Listener;
use pocketmine\permission\Permissible;
use pocketmine\permission\Permission;
use pocketmine\Server;
/**
* Manages all the plugins, Permissions and Permissibles
*/
class PluginManager{
/** @var Server */
private $server;
/** @var SimpleCommandMap */
private $commandMap;
/**
* @var Plugin[]
*/
protected $plugins = array();
/**
* @var Permission[]
*/
protected $permissions = array();
/**
* @var Permission[]
*/
protected $defaultPerms = array();
/**
* @var Permission[]
*/
protected $defaultPermsOp = array();
/**
* @var Permissible[]
*/
protected $permSubs = array();
/**
* @var Permissible[]
*/
protected $defSubs = array();
/**
* @var Permissible[]
*/
protected $defSubsOp = array();
/**
* @var PluginLoader[]
*/
protected $fileAssociations = array();
/**
* @param Server $server
* @param SimpleCommandMap $commandMap
*/
public function __construct(Server $server, SimpleCommandMap $commandMap){
$this->server = $server;
$this->commandMap = $commandMap;
}
/**
* @param string $name
*
* @return null|Plugin
*/
public function getPlugin($name){
if(isset($this->plugins[$name])){
return $this->plugins[$name];
}
return null;
}
/**
* @param string $loaderName A PluginLoader class name
*
* @return boolean
*/
public function registerInterface($loaderName){
if(is_subclass_of($loaderName, "pocketmine\\plugin\\PluginLoader")){
$loader = new $loaderName($this->server);
}else{
return false;
}
$this->fileAssociations[$loaderName] = $loader;
return true;
}
/**
* @return Plugin[]
*/
public function getPlugins(){
return $this->plugins;
}
/**
* @param string $path
*
* @return Plugin
*/
public function loadPlugin($path){
foreach($this->fileAssociations as $loader){
if(preg_match($loader->getPluginFilters(), basename($path)) > 0){
$description = $loader->getPluginDescription($path);
if($description instanceof PluginDescription){
if(($plugin = $loader->loadPlugin($path)) instanceof Plugin){
$this->plugins[$plugin->getDescription()->getName()] = $plugin;
$pluginCommands = $this->parseYamlCommands($plugin);
if(count($pluginCommands) > 0){
$this->commandMap->registerAll($plugin->getDescription()->getName(), $pluginCommands);
}
return $plugin;
}
}
}
}
return null;
}
/**
* @param string $directory
* @param array $newLoaders
*
* @return Plugin[]
*/
public function loadPlugins($directory, $newLoaders = null){
if(is_dir($directory)){
$plugins = array();
$loadedPlugins = array();
$dependencies = array();
$softDependencies = array();
if(is_array($newLoaders)){
$loaders = array();
foreach($newLoaders as $key){
if(isset($this->fileAssociations[$key])){
$loaders[$key] = $this->fileAssociations[$key];
}
}
}else{
$loaders = $this->fileAssociations;
}
foreach($loaders as $loader){
foreach(new \RegexIterator(new \DirectoryIterator($directory), $loader->getPluginFilters()) as $file){
if($file === "." or $file === ".."){
continue;
}
$file = $directory . $file;
$description = $loader->getPluginDescription($file);
if($description instanceof PluginDescription){
$name = $description->getName();
if(stripos($name, "pocketmine") !== false or stripos($name, "minecraft") !== false or stripos($name, "mojang") !== false){
console("[ERROR] Could not load plugin '" . $name . "': restricted name");
continue;
}elseif(strpos($name, " ") !== false){
console("[WARNING] Plugin '" . $name . "' uses spaces in its name, this is discouraged");
}
if(isset($plugins[$name]) or $this->getPlugin($name) instanceof Plugin){
console("[ERROR] Could not load duplicate plugin '" . $name . "': plugin exists");
continue;
}
$compatible = false;
//Check multiple dependencies
foreach($description->getCompatibleApis() as $version){
//Format: majorVersion.minorVersion.patch
$version = array_map("intval", explode(".", $version));
$apiVersion = array_map("intval", explode(".", $this->server->getApiVersion()));
//Completely different API version
if($version[0] !== $apiVersion[0]){
continue;
}
//If the plugin requires new API features, being backwards compatible
if($version[1] > $apiVersion[1]){
continue;
}
$compatible = true;
break;
}
if($compatible === false){
console("[ERROR] Could not load plugin '" . $name . "': API version not compatible");
continue;
}
$plugins[$name] = $file;
$softDependencies[$name] = (array) $description->getSoftDepend();
$dependencies[$name] = (array) $description->getDepend();
foreach($description->getLoadBefore() as $before){
if(isset($softDependencies[$before])){
$softDependencies[$before][] = $name;
}else{
$softDependencies[$before] = array($name);
}
}
}
}
}
while(count($plugins) > 0){
$missingDependency = true;
foreach($plugins as $name => $file){
if(isset($dependencies[$name])){
foreach($dependencies[$name] as $key => $dependency){
if(isset($loadedPlugins[$dependency]) or $this->getPlugin($dependency) instanceof Plugin){
unset($dependencies[$name][$key]);
}elseif(!isset($plugins[$dependency])){
console("[SEVERE] Could not load plugin '" . $name . "': Unknown dependency");
break;
}
}
if(count($dependencies[$name]) === 0){
unset($dependencies[$name]);
}
}
if(isset($softDependencies[$name])){
foreach($softDependencies[$name] as $key => $dependency){
if(isset($loadedPlugins[$dependency]) or $this->getPlugin($dependency) instanceof Plugin){
unset($softDependencies[$name][$key]);
}
}
if(count($softDependencies[$name]) === 0){
unset($softDependencies[$name]);
}
}
if(!isset($dependencies[$name]) and !isset($softDependencies[$name])){
unset($plugins[$name]);
$missingDependency = false;
if($plugin = $this->loadPlugin($file) and $plugin instanceof Plugin){
$loadedPlugins[$name] = $plugin;
}else{
console("[SEVERE] Could not load plugin '" . $name . "'");
}
}
}
if($missingDependency === true){
foreach($plugins as $name => $file){
if(!isset($dependencies[$name])){
unset($softDependencies[$name]);
unset($plugins[$name]);
$missingDependency = false;
if($plugin = $this->loadPlugin($file) and $plugin instanceof Plugin){
$loadedPlugins[$name] = $plugin;
}else{
console("[SEVERE] Could not load plugin '" . $name . "'");
}
}
}
//No plugins loaded :(
if($missingDependency === true){
foreach($plugins as $name => $file){
console("[SEVERE] Could not load plugin '" . $name . "': circular dependency detected");
}
$plugins = array();
}
}
}
return $loadedPlugins;
}else{
return array();
}
}
/**
* @param string $name
*
* @return null|Permission
*/
public function getPermission($name){
if(isset($this->permissions[$name])){
return $this->permissions[$name];
}
return null;
}
/**
* @param Permission $permission
*
* @return bool
*/
public function addPermission(Permission $permission){
if(!isset($this->permissions[$permission->getName()])){
$this->permissions[$permission->getName()] = $permission;
$this->calculatePermissionDefault($permission);
return true;
}
return false;
}
/**
* @param string|Permission $permission
*/
public function removePermission($permission){
if($permission instanceof Permission){
unset($this->permissions[$permission->getName()]);
}else{
unset($this->permissions[$permission]);
}
}
/**
* @param boolean $op
*
* @return Permission[]
*/
public function getDefaultPermissions($op){
if($op === true){
return $this->defaultPermsOp;
}else{
return $this->defaultPerms;
}
}
/**
* @param Permission $permission
*/
public function recalculatePermissionDefaults(Permission $permission){
if(isset($this->permissions[$permission->getName()])){
unset($this->defaultPermsOp[$permission->getName()]);
unset($this->defaultPerms[$permission->getName()]);
$this->calculatePermissionDefault($permission);
}
}
/**
* @param Permission $permission
*/
private function calculatePermissionDefault(Permission $permission){
if($permission->getDefault() === Permission::DEFAULT_OP or $permission->getDefault() === Permission::DEFAULT_TRUE){
$this->defaultPermsOp[$permission->getName()] = $permission;
$this->dirtyPermissibles(true);
}
if($permission->getDefault() === Permission::DEFAULT_NOT_OP or $permission->getDefault() === Permission::DEFAULT_TRUE){
$this->defaultPerms[$permission->getName()] = $permission;
$this->dirtyPermissibles(false);
}
}
/**
* @param boolean $op
*/
private function dirtyPermissibles($op){
foreach($this->getDefaultPermSubscriptions($op) as $p){
$p->recalculatePermissions();
}
}
/**
* @param string $permission
* @param Permissible $permissible
*/
public function subscribeToPermission($permission, Permissible $permissible){
if(!isset($this->permSubs[$permission])){
//TODO: Use WeakRef
$this->permSubs[$permission] = array();
}
$this->permSubs[$permission][spl_object_hash($permissible)] = $permissible;
}
/**
* @param string $permission
* @param Permissible $permissible
*/
public function unsubscribeFromPermission($permission, Permissible $permissible){
if(isset($this->permSubs[$permission])){
unset($this->permSubs[$permission][spl_object_hash($permissible)]);
}
}
/**
* @param string $permission
*
* @return Permissible[]
*/
public function getPermissionSubscriptions($permission){
if(isset($this->permSubs[$permission])){
return $this->permSubs[$permission];
}
return array();
}
/**
* @param boolean $op
* @param Permissible $permissible
*/
public function subscribeToDefaultPerms($op, Permissible $permissible){
if($op === true){
$this->defSubsOp[spl_object_hash($permissible)] = $permissible;
}else{
$this->defSubs[spl_object_hash($permissible)] = $permissible;
}
}
/**
* @param boolean $op
* @param Permissible $permissible
*/
public function unsubscribeFromDefaultPerms($op, Permissible $permissible){
if($op === true){
unset($this->defSubsOp[spl_object_hash($permissible)]);
}else{
unset($this->defSubs[spl_object_hash($permissible)]);
}
}
/**
* @param boolean $op
*
* @return Permissible[]
*/
public function getDefaultPermSubscriptions($op){
if($op === true){
return $this->defSubsOp;
}else{
return $this->defSubs;
}
}
/**
* @return Permission[]
*/
public function getPermissions(){
return $this->permissions;
}
/**
* @param Plugin $plugin
*
* @return bool
*/
public function isPluginEnabled(Plugin $plugin){
if($plugin instanceof Plugin and isset($this->plugins[$plugin->getDescription()->getName()])){
return $plugin->isEnabled();
}else{
return false;
}
}
/**
* @param Plugin $plugin
*/
public function enablePlugin(Plugin $plugin){
if(!$plugin->isEnabled()){
foreach($plugin->getDescription()->getPermissions() as $perm){
$this->addPermission($perm);
}
$plugin->getPluginLoader()->enablePlugin($plugin);
}
}
/**
* @param Plugin $plugin
*
* @return PluginCommand[]
*/
protected function parseYamlCommands(Plugin $plugin){
$pluginCmds = array();
foreach($plugin->getDescription()->getCommands() as $key => $data){
if(strpos($key, ":") !== false){
console("[SEVERE] Could not load command " . $key . " for plugin " . $plugin->getDescription()->getName());
continue;
}
if(is_array($data)){
$newCmd = new PluginCommand($key, $plugin);
if(isset($data["description"])){
$newCmd->setDescription($data["description"]);
}
if(isset($data["usage"])){
$newCmd->setUsage($data["usage"]);
}
if(isset($data["aliases"]) and is_array($data["aliases"])){
$aliasList = array();
foreach($data["aliases"] as $alias){
if(strpos($alias, ":") !== false){
console("[SEVERE] Could not load alias " . $alias . " for plugin " . $plugin->getDescription()->getName());
continue;
}
$aliasList[] = $alias;
}
$newCmd->setAliases($aliasList);
}
if(isset($data["permission"])){
$newCmd->setPermission($data["permission"]);
}
if(isset($data["permission-message"])){
$newCmd->setPermissionMessage($data["permission-message"]);
}
$pluginCmds[] = $newCmd;
}
}
return $pluginCmds;
}
public function disablePlugins(){
foreach($this->getPlugins() as $plugin){
$this->disablePlugin($plugin);
}
}
/**
* @param Plugin $plugin
*/
public function disablePlugin(Plugin $plugin){
if($plugin->isEnabled()){
$plugin->getPluginLoader()->disablePlugin($plugin);
$this->server->getScheduler()->cancelTasks($plugin);
HandlerList::unregisterAll($plugin);
foreach($plugin->getDescription()->getPermissions() as $perm){
$this->removePermission($perm);
}
}
}
public function clearPlugins(){
$this->disablePlugins();
$this->plugins = array();
$this->fileAssociations = array();
$this->permissions = array();
$this->defaultPerms = array();
$this->defaultPermsOp = array();
}
/**
* Calls an event
*
* @param Event $event
*/
public function callEvent(Event $event){
$this->fireEvent($event);
}
private function fireEvent(Event $event){
$handlers = $event->getHandlers();
$listeners = $handlers->getRegisteredListeners();
foreach($listeners as $registration){
if(!$registration->getPlugin()->isEnabled()){
continue;
}
$registration->callEvent($event);
}
}
/**
* Registers all the events in the given Listener class
*
* @param Listener $listener
* @param Plugin $plugin
*/
public function registerEvents(Listener $listener, Plugin $plugin){
if(!$plugin->isEnabled()){
trigger_error("Plugin attempted to register " . get_class($listener) . " while not enabled", E_USER_WARNING);
return;
}
$reflection = new \ReflectionClass(get_class($listener));
foreach($reflection->getMethods() as $method){
if(!$method->isStatic()){
$priority = EventPriority::NORMAL;
$ignoreCancelled = false;
if(preg_match("/^[\t ]*\\* @priority[\t ]{1,}([a-zA-Z]{1,})$/m", (string) $method->getDocComment(), $matches) > 0){
$matches[1] = strtoupper($matches[1]);
if(defined("pocketmine\\event\\EventPriority::" . $matches[1])){
$priority = constant("pocketmine\\event\\EventPriority::" . $matches[1]);
}
}
if(preg_match("/^[\t ]*\\* @ignoreCancelled[\t ]{1,}([a-zA-Z]{1,})$/m", (string) $method->getDocComment(), $matches) > 0){
$matches[1] = strtolower($matches[1]);
if($matches[1] === "false"){
$ignoreCancelled = false;
}elseif($matches[1] === "true"){
$ignoreCancelled = true;
}
}
$parameters = $method->getParameters();
if(count($parameters) === 1 and $parameters[0]->getClass() instanceof \ReflectionClass and is_subclass_of($parameters[0]->getClass()->getName(), "pocketmine\\event\\Event")){
$this->registerEvent($parameters[0]->getClass()->getName(), $listener, $priority, new MethodEventExecutor($method->getName()), $plugin, $ignoreCancelled);
}
}
}
}
/**
* @param string $event Class name that extends Event
* @param Listener $listener
* @param int $priority
* @param EventExecutor $executor
* @param Plugin $plugin
* @param bool $ignoreCancelled
*/
public function registerEvent($event, Listener $listener, $priority, EventExecutor $executor, Plugin $plugin, $ignoreCancelled = false){
if(!is_subclass_of($event, "pocketmine\\event\\Event")){
trigger_error($event . " is not a valid Event", E_USER_WARNING);
return;
}
if(!$plugin->isEnabled()){
trigger_error("Plugin attempted to register " . $event . " while not enabled");
return;
}
$this->getEventListeners($event)->register(new RegisteredListener($listener, $executor, $priority, $plugin, $ignoreCancelled));
}
/**
* @param string $event
*
* @return HandlerList
*/
private function getEventListeners($event){
if($event::$handlerList === null){
$event::$handlerList = new HandlerList();
}
return $event::$handlerList;
}
}