Add ability to check permissions by player name

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

@@ -27,6 +27,11 @@ public class BPermissionsHandler implements PermissionHandler {
         return ApiLayer.hasPermission(player.getWorld().getName(), CalculableType.USER, player.getName(), node.getNode());
     }
 
+    @Override
+    public boolean hasPermission(String name, PermissionNode node) {
+        return ApiLayer.hasPermission(null, CalculableType.USER, name, node.getNode());
+    }
+
     @Override
     public boolean isInGroup(Player player, String group) {
         return ApiLayer.hasGroup(player.getWorld().getName(), CalculableType.USER, player.getName(), group);

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

@@ -3,6 +3,7 @@ package fr.xephi.authme.permission.handlers;
 import fr.xephi.authme.permission.PermissionNode;
 import fr.xephi.authme.permission.PermissionsSystemType;
 import org.anjocaido.groupmanager.GroupManager;
+import org.anjocaido.groupmanager.data.User;
 import org.anjocaido.groupmanager.permissions.AnjoPermissionsHandler;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
@@ -35,6 +36,13 @@ public class GroupManagerHandler implements PermissionHandler {
         return handler != null && handler.has(player, node.getNode());
     }
 
+    @Override
+    public boolean hasPermission(String name, PermissionNode node) {
+        final AnjoPermissionsHandler handler = groupManager.getWorldsHolder().getWorldPermissionsByPlayerName(name);
+        List<String> perms = handler.getAllPlayersPermissions(name);
+        return perms.contains(node.getNode());
+    }
+
     @Override
     public boolean isInGroup(Player player, String group) {
         final AnjoPermissionsHandler handler = groupManager.getWorldsHolder().getWorldPermissions(player);

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

@@ -38,6 +38,17 @@ public interface PermissionHandler {
      */
     boolean hasPermission(Player player, PermissionNode node);
 
+    /**
+     * Check if a player has permission by their name.
+     * Used to check an offline player's permission.
+     *
+     * @param name  The player's name.
+     * @param node The permission node.
+     *
+     * @return True if the player has permission.
+     */
+    boolean hasPermission(String name, PermissionNode node);
+
     /**
      * Check whether the player is in the specified group.
      *

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

@@ -25,6 +25,11 @@ public class PermissionsBukkitHandler implements PermissionHandler {
         return player.hasPermission(node.getNode());
     }
 
+    @Override
+    public boolean hasPermission(String name, PermissionNode node) {
+        return false;
+    }
+
     @Override
     public boolean isInGroup(Player player, String group) {
         List<String> groupNames = getGroups(player);

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

@@ -42,6 +42,12 @@ public class PermissionsExHandler implements PermissionHandler {
         return user.has(node.getNode());
     }
 
+    @Override
+    public boolean hasPermission(String name, PermissionNode node) {
+        PermissionUser user = permissionManager.getUser(name);
+        return user.has(node.getNode());
+    }
+
     @Override
     public boolean isInGroup(Player player, String group) {
         PermissionUser user = permissionManager.getUser(player);

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

@@ -31,6 +31,11 @@ public class VaultHandler implements PermissionHandler {
         return vaultProvider.has(player, node.getNode());
     }
 
+    @Override
+    public boolean hasPermission(String name, PermissionNode node) {
+        return vaultProvider.has("", name, node.getNode());
+    }
+
     @Override
     public boolean isInGroup(Player player, String group) {
         return vaultProvider.playerInGroup(player, group);

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

@@ -4,6 +4,7 @@ import fr.xephi.authme.permission.PermissionNode;
 import fr.xephi.authme.permission.PermissionsSystemType;
 import org.bukkit.Bukkit;
 import org.bukkit.entity.Player;
+import org.bukkit.inventory.meta.BookMeta;
 import org.tyrannyofheaven.bukkit.zPermissions.ZPermissionsService;
 
 import java.util.ArrayList;
@@ -37,6 +38,15 @@ public class ZPermissionsHandler implements PermissionHandler {
             return node.getDefaultPermission().evaluate(player);
     }
 
+    @Override
+    public boolean hasPermission(String name, PermissionNode node) {
+        Map<String, Boolean> perms = zPermissionsService.getPlayerPermissions(null, null, name);
+        if (perms.containsKey(node.getNode()))
+            return perms.get(node.getNode());
+        else
+            return false;
+    }
+
     @Override
     public boolean isInGroup(Player player, String group) {
         return getGroups(player).contains(group);