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#738 Add check that shooter is of type Player in ProjectileLaunchEvent

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- Use reflection the opposite way: if it is an old version (getShooter() returns LivingEntity), use reflection; otherwise, call the method directly
- Add missing instanceof Player check
This commit is contained in:
ljacqu 2016-06-01 14:06:36 +02:00
parent 58a6b6060f
commit e59bbbf10e
1 changed files with 10 additions and 18 deletions
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28
src/main/java/fr/xephi/authme/listener/AuthMeEntityListener.java
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@ -1,5 +1,6 @@
package fr.xephi.authme.listener;
import fr.xephi.authme.ConsoleLogger;
import org.bukkit.entity.LivingEntity;
import org.bukkit.entity.Player;
import org.bukkit.entity.Projectile;
@ -14,9 +15,6 @@ import org.bukkit.event.entity.EntityShootBowEvent;
import org.bukkit.event.entity.EntityTargetEvent;
import org.bukkit.event.entity.FoodLevelChangeEvent;
import org.bukkit.event.entity.ProjectileLaunchEvent;
import org.bukkit.projectiles.ProjectileSource;
import fr.xephi.authme.ConsoleLogger;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
@ -26,12 +24,12 @@ import static fr.xephi.authme.listener.ListenerService.shouldCancelEvent;
public class AuthMeEntityListener implements Listener {
private Method getShooter;
private boolean shooterIsProjectileSource;
private boolean shooterIsLivingEntity;
public AuthMeEntityListener() {
try {
getShooter = Projectile.class.getDeclaredMethod("getShooter");
shooterIsProjectileSource = getShooter.getReturnType() != LivingEntity.class;
shooterIsLivingEntity = getShooter.getReturnType() == LivingEntity.class;
} catch (NoSuchMethodException | SecurityException e) {
ConsoleLogger.logException("Cannot load getShooter() method on Projectile class", e);
}
@ -98,28 +96,22 @@ public class AuthMeEntityListener implements Listener {
return;
}
Player player = null;
Projectile projectile = event.getEntity();
// In old versions of the Bukkit API getShooter() returns a Player object instead of a ProjectileSource
if (shooterIsProjectileSource) {
ProjectileSource shooter = projectile.getShooter();
if (shooter == null || !(shooter instanceof Player)) {
return;
}
player = (Player) shooter;
} else {
// In the Bukkit API prior to 1.7, getShooter() returns a LivingEntity instead of a ProjectileSource
Object shooterRaw = null;
if (shooterIsLivingEntity) {
try {
if (getShooter == null) {
getShooter = Projectile.class.getMethod("getShooter");
}
Object obj = getShooter.invoke(projectile);
player = (Player) obj;
shooterRaw = getShooter.invoke(projectile);
} catch (NoSuchMethodException | InvocationTargetException | IllegalAccessException e) {
ConsoleLogger.logException("Error getting shooter", e);
}
} else {
shooterRaw = projectile.getShooter();
}
if (ListenerService.shouldCancelEvent(player)) {
if (shooterRaw instanceof Player && shouldCancelEvent((Player) shooterRaw)) {
event.setCancelled(true);
}
}