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LevelProviderManager: tighten up checks on registering

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This commit is contained in:
Dylan K. Taylor 2018-07-17 10:50:27 +01:00
parent 5d769147ca
commit ad1cf38c21
1 changed files with 11 additions and 2 deletions
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13
src/pocketmine/level/format/io/LevelProviderManager.php
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@ -44,9 +44,18 @@ abstract class LevelProviderManager{
* @throws \InvalidArgumentException
*/
public static function addProvider(string $class){
if(!is_subclass_of($class, LevelProvider::class)){
throw new \InvalidArgumentException("Class is not a subclass of LevelProvider");
try{
$reflection = new \ReflectionClass($class);
}catch(\ReflectionException $e){
throw new \InvalidArgumentException("Class $class does not exist");
}
if(!$reflection->implementsInterface(LevelProvider::class)){
throw new \InvalidArgumentException("Class $class does not implement " . LevelProvider::class);
}
if(!$reflection->isInstantiable()){
throw new \InvalidArgumentException("Class $class cannot be constructed");
}
/** @var LevelProvider $class */
self::$providers[strtolower($class::getProviderName())] = $class;
}