Add issue #221 - permission check event

api/src/main/java/net/md_5/bungee/api/event/PermissionCheckEvent.java

@@ -0,0 +1,36 @@
+package net.md_5.bungee.api.event;
+
+import lombok.AccessLevel;
+import lombok.AllArgsConstructor;
+import lombok.Data;
+import lombok.EqualsAndHashCode;
+import lombok.Getter;
+import lombok.ToString;
+import net.md_5.bungee.api.CommandSender;
+import net.md_5.bungee.api.plugin.Event;
+
+/**
+ * Called when the permission of a CommandSender is checked.
+ */
+@Data
+@AllArgsConstructor
+@ToString(callSuper = false)
+@EqualsAndHashCode(callSuper = false)
+public class PermissionCheckEvent extends Event
+{
+
+    /**
+     * The command sender being checked for a permission.
+     */
+    private final CommandSender sender;
+    /**
+     * The outcome of this permission check.
+     */
+    @Getter(AccessLevel.NONE)
+    private boolean hasPermission;
+
+    public boolean hasPermission()
+    {
+        return hasPermission;
+    }
+}

proxy/src/main/java/net/md_5/bungee/UserConnection.java

@@ -23,6 +23,7 @@ import net.md_5.bungee.api.ProxyServer;
 import net.md_5.bungee.api.config.ServerInfo;
 import net.md_5.bungee.api.connection.PendingConnection;
 import net.md_5.bungee.api.connection.ProxiedPlayer;
+import net.md_5.bungee.api.event.PermissionCheckEvent;
 import net.md_5.bungee.api.event.ServerConnectEvent;
 import net.md_5.bungee.api.scoreboard.Scoreboard;
 import net.md_5.bungee.netty.HandlerBoss;
@@ -249,7 +250,7 @@ public final class UserConnection implements ProxiedPlayer
     @Synchronized("permMutex")
     public boolean hasPermission(String permission)
     {
-        return permissions.contains( permission );
+        return bungee.getPluginManager().callEvent( new PermissionCheckEvent( this, permissions.contains( permission ) ) ).hasPermission();
     }
 
     @Override