/*
* WorldEdit, a Minecraft world manipulation toolkit
* Copyright (C) sk89q <http://www.sk89q.com>
* Copyright (C) WorldEdit team and contributors
*
* This program is free software: you can redistribute it and/or modify it
* under the terms of the GNU Lesser 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 Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package com.sk89q.wepif;
import com.sk89q.util.yaml.YAMLProcessor;
import org.bukkit.OfflinePlayer;
import org.bukkit.Server;
import org.bukkit.entity.Player;
import org.bukkit.permissions.Permissible;
import org.bukkit.permissions.Permission;
import org.bukkit.permissions.PermissionAttachmentInfo;
import java.util.ArrayList;
import java.util.List;
public class DinnerPermsResolver implements PermissionsResolver {
public static final String GROUP_PREFIX = "group.";
protected final Server server;
public DinnerPermsResolver(Server server) {
this.server = server;
}
public static PermissionsResolver factory(Server server, YAMLProcessor config) {
return new DinnerPermsResolver(server);
}
@Override
public void load() {
}
@Override
public boolean hasPermission(String name, String permission) {
return hasPermission(server.getOfflinePlayer(name), permission);
}
@Override
public boolean hasPermission(String worldName, String name, String permission) {
return hasPermission(worldName, server.getOfflinePlayer(name), permission);
}
@Override
public boolean inGroup(String name, String group) {
return inGroup(server.getOfflinePlayer(name), group);
}
@Override
public String[] getGroups(String name) {
return getGroups(server.getOfflinePlayer(name));
}
@Override
public boolean hasPermission(OfflinePlayer player, String permission) {
Permissible perms = getPermissible(player);
if (perms == null) {
return false; // Permissions are only registered for objects with a Permissible
}
switch (internalHasPermission(perms, permission)) {
case -1:
return false;
case 1:
return true;
}
int dotPos = permission.lastIndexOf(".");
while (dotPos > -1) {
switch (internalHasPermission(perms, permission.substring(0, dotPos + 1) + "*")) {
case -1:
return false;
case 1:
return true;
}
dotPos = permission.lastIndexOf(".", dotPos - 1);
}
return internalHasPermission(perms, "*") == 1;
}
@Override
public boolean hasPermission(String worldName, OfflinePlayer player, String permission) {
return hasPermission(player, permission); // no per-world ability to check permissions in dinnerperms
}
@Override
public boolean inGroup(OfflinePlayer player, String group) {
final Permissible perms = getPermissible(player);
if (perms == null) {
return false;
}
final String perm = GROUP_PREFIX + group;
return perms.isPermissionSet(perm) && perms.hasPermission(perm);
}
@Override
public String[] getGroups(OfflinePlayer player) {
Permissible perms = getPermissible(player);
if (perms == null) {
return new String[0];
}
List<String> groupNames = new ArrayList<String>();
for (PermissionAttachmentInfo permAttach : perms.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 Permissible getPermissible(OfflinePlayer offline) {
if (offline == null) return null;
Permissible perm = null;
if (offline instanceof Permissible) {
perm = (Permissible) offline;
} else {
Player player = offline.getPlayer();
if (player != null) perm = player;
}
return perm;
}
/**
* Checks the permission from dinnerperms
*
* @param perms Permissible to check for
* @param permission The permission to check
* @return -1 if the permission is explicitly denied, 1 if the permission is allowed,
* 0 if the permission is denied by a default.
*/
public int internalHasPermission(Permissible perms, String permission) {
if (perms.isPermissionSet(permission)) {
return perms.hasPermission(permission) ? 1 : -1;
} else {
Permission perm = server.getPluginManager().getPermission(permission);
if (perm != null) {
return perm.getDefault().getValue(perms.isOp()) ? 1 : 0;
} else {
return 0;
}
}
}
@Override
public String getDetectionMessage() {
return "Using the Bukkit Permissions API.";
}
}