Plex-FAWE/src/main/java/com/sk89q/bukkit/migration/DinnerPermsResolver.java

// $Id$
/*
 * WorldEdit
 * Copyright (C) 2010 sk89q <http://www.sk89q.com>
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

package com.sk89q.bukkit.migration;

import org.bukkit.Server;
import org.bukkit.entity.Player;
import org.bukkit.permissions.PermissionAttachmentInfo;

import java.util.ArrayList;
import java.util.List;
import org.bukkit.util.config.Configuration;

public class DinnerPermsResolver implements PermissionsResolver {

    private static final String GROUP_PREFIX = "group.";
    private final Server server;

    public DinnerPermsResolver(Server server) {
        this.server = server;
    }
    
    public static PermissionsResolver factory(Server server, Configuration config) {
        if(!config.getBoolean("dinnerperms", true)){
            return null;
        }
        
        return new DinnerPermsResolver(server);
    }    
    
    public void load() {
        // Permissions are already loaded
    }

    public boolean hasPermission(String name, String permission) {
        Player player = server.getPlayerExact(name);
        if (player == null) {
            return false; // Permissions are only registered for online players
        }
        if (player.hasPermission("*") || player.hasPermission(permission)) {
            return true;
        }
        int dotPos = permission.lastIndexOf(".");
        while (dotPos > -1) {
            if (player.hasPermission(permission.substring(0, dotPos + 1) + "*")) {
                return true;
            }
            dotPos = permission.lastIndexOf(".", dotPos - 1);
        }
        return false;
    }

    public boolean hasPermission(String worldName, String name, String permission) {
        return hasPermission(name, permission); // no per-world ability to check permissions in dinnerperms
    }

    public boolean inGroup(String name, String group) {
        Player player = server.getPlayer(name);
        if (player == null) {
            return false;
        }
        return player.hasPermission(GROUP_PREFIX + group);
    }

    public String[] getGroups(String name) {
        Player player = server.getPlayer(name);
        if (player == null) {
            return new String[0];
        }
        List<String> groupNames = new ArrayList<String>();
        for (PermissionAttachmentInfo permAttach : player.getEffectivePermissions()) {
            String perm = permAttach.getPermission();
            if (!(perm.startsWith(GROUP_PREFIX) && permAttach.getValue())) {
                continue;
            }
            groupNames.add(perm.substring(GROUP_PREFIX.length(), perm.length()));
        }
        return groupNames.toArray(new String[groupNames.size()]);
    }

    public String getDetectionMessage() {
        return "Using the Bukkit Permissions API.";
    }
    
    
}