/*
* The Mana Server
* Copyright (C) 2010-2010 The Mana World Development Team
*
* This file is part of The Mana Server.
*
* The Mana Server 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 2 of the License, or
* any later version.
*
* The Mana Server 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 The Mana Server. If not, see <http://www.gnu.org/licenses/>.
*/
#include "common/permissionmanager.h"
#include "game-server/charactercomponent.h"
#include "utils/logger.h"
#include "utils/xml.h"
#include <string.h>
#include <cstring>
static std::map<std::string, unsigned char> permissions;
static std::map<std::string, unsigned char> aliases;
static std::string permissionFile;
void addPermission(std::string permission, char mask)
{
std::map<std::string, unsigned char>::iterator i = permissions.find(permission);
if (i == permissions.end())
{
permissions.insert(std::make_pair(permission, mask));
} else {
i->second |= mask;
}
}
void PermissionManager::initialize(const std::string & file)
{
permissionFile = file;
reload();
}
void PermissionManager::reload()
{
XML::Document doc(permissionFile);
xmlNodePtr rootNode = doc.rootNode();
if (!rootNode || !xmlStrEqual(rootNode->name, BAD_CAST "permissions"))
{
LOG_ERROR("Permission Manager: " << permissionFile
<< " is not a valid database file!");
return;
}
LOG_INFO("Loading permission reference...");
for_each_xml_child_node(node, rootNode)
{
unsigned char classmask = 0x01;
if (!xmlStrEqual(node->name, BAD_CAST "class"))
{
continue;
}
int level = XML::getProperty(node, "level", 0);
if (level < 1 || level > 8)
{
LOG_WARN("PermissionManager: Illegal class level "
<<level
<<" in "
<<permissionFile
<<" (allowed range: 1..8)");
continue;
}
classmask = classmask << (level-1);
xmlNodePtr perNode;
for (perNode = node->xmlChildrenNode; perNode != nullptr; perNode = perNode->next)
{
if (xmlStrEqual(perNode->name, BAD_CAST "allow"))
{
const char* permission = (const char*)perNode->xmlChildrenNode->content;
if (permission && strlen(permission) > 0)
{
addPermission(permission, classmask);
}
} else if (xmlStrEqual(perNode->name, BAD_CAST "deny")){
//const char* permission = (const char*)perNode->xmlChildrenNode->content;
// To be implemented
} else if (xmlStrEqual(perNode->name, BAD_CAST "alias")){
const char* alias = (const char*)perNode->xmlChildrenNode->content;
if (alias && strlen(alias) > 0)
aliases[alias] = classmask;
}
}
}
}
PermissionManager::Result PermissionManager::checkPermission(const Entity* character, std::string permission)
{
return checkPermission(character->getComponent<CharacterComponent>()
->getAccountLevel(), permission);
}
PermissionManager::Result PermissionManager::checkPermission(unsigned char level, std::string permission)
{
std::map<std::string, unsigned char>::iterator iP = permissions.find(permission);
if (iP == permissions.end())
{
LOG_WARN("PermissionManager: Check for unknown permission \""<<permission<<"\" requested.");
return PMR_UNKNOWN;
}
if (level & iP->second)
{
return PMR_ALLOWED;
} else {
return PMR_DENIED;
}
}
unsigned char PermissionManager::getMaskFromAlias(const std::string &alias)
{
std::map<std::string, unsigned char>::iterator i = aliases.find(alias);
if (i == aliases.end())
{
return 0x00;
} else {
return i->second;
}
}
std::list<std::string> PermissionManager::getPermissionList(const Entity* character)
{
std::list<std::string> result;
unsigned char mask = character->getComponent<CharacterComponent>()
->getAccountLevel();
for (auto &permissionIt : permissions)
{
if (permissionIt.second & mask)
{
result.push_back(permissionIt.first);
}
}
return result;
}
std::list<std::string> PermissionManager::getClassList(const Entity* character)
{
std::list<std::string> result;
unsigned char mask = character->getComponent<CharacterComponent>()
->getAccountLevel();
for (auto &aliasIt : aliases)
{
if (aliasIt.second & mask)
result.push_back(aliasIt.first);
}
return result;
}