#784 Perform bypass purge permission check with OfflinePlayer objects

- Move permission check inside PurgeTask to perform it with OfflinePlayer objects instead of lowercase names
- Move purge members into child "purge" package
- Unify online and offline default permission behavior in DefaultPermission

src/main/java/fr/xephi/authme/permission/handlers/BPermissionsHandler.java

@@ -28,7 +28,7 @@ public class BPermissionsHandler implements PermissionHandler {
     }
 
     @Override
-    public boolean hasPermission(String name, PermissionNode node) {
+    public boolean hasPermissionOffline(String name, PermissionNode node) {
         return ApiLayer.hasPermission(null, CalculableType.USER, name, node.getNode());
     }
 

src/main/java/fr/xephi/authme/permission/handlers/GroupManagerHandler.java

@@ -36,7 +36,7 @@ public class GroupManagerHandler implements PermissionHandler {
     }
 
     @Override
-    public boolean hasPermission(String name, PermissionNode node) {
+    public boolean hasPermissionOffline(String name, PermissionNode node) {
         final AnjoPermissionsHandler handler = groupManager.getWorldsHolder().getWorldPermissionsByPlayerName(name);
         List<String> perms = handler.getAllPlayersPermissions(name);
         return perms.contains(node.getNode());

src/main/java/fr/xephi/authme/permission/handlers/PermissionHandler.java

@@ -47,7 +47,7 @@ public interface PermissionHandler {
      *
      * @return True if the player has permission.
      */
-    boolean hasPermission(String name, PermissionNode node);
+    boolean hasPermissionOffline(String name, PermissionNode node);
 
     /**
      * Check whether the player is in the specified group.

src/main/java/fr/xephi/authme/permission/handlers/PermissionsBukkitHandler.java

@@ -26,7 +26,7 @@ public class PermissionsBukkitHandler implements PermissionHandler {
     }
 
     @Override
-    public boolean hasPermission(String name, PermissionNode node) {
+    public boolean hasPermissionOffline(String name, PermissionNode node) {
         return false;
     }
 

src/main/java/fr/xephi/authme/permission/handlers/PermissionsExHandler.java

@@ -44,7 +44,7 @@ public class PermissionsExHandler implements PermissionHandler {
     }
 
     @Override
-    public boolean hasPermission(String name, PermissionNode node) {
+    public boolean hasPermissionOffline(String name, PermissionNode node) {
         PermissionUser user = permissionManager.getUser(name);
         return user.has(node.getNode());
     }

src/main/java/fr/xephi/authme/permission/handlers/VaultHandler.java

@@ -50,7 +50,7 @@ public class VaultHandler implements PermissionHandler {
     }
 
     @Override
-    public boolean hasPermission(String name, PermissionNode node) {
+    public boolean hasPermissionOffline(String name, PermissionNode node) {
         return vaultProvider.has("", name, node.getNode());
     }
 

src/main/java/fr/xephi/authme/permission/handlers/ZPermissionsHandler.java

@@ -43,7 +43,7 @@ public class ZPermissionsHandler implements PermissionHandler {
     }
 
     @Override
-    public boolean hasPermission(String name, PermissionNode node) {
+    public boolean hasPermissionOffline(String name, PermissionNode node) {
         Map<String, Boolean> perms = zPermissionsService.getPlayerPermissions(null, null, name);
         if (perms.containsKey(node.getNode()))
             return perms.get(node.getNode());