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/*
Minetest-c55
Copyright (C) 2011 celeron55, Perttu Ahola <celeron55@gmail.com>
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 2.1 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, write to the Free Software Foundation, Inc.,
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "ban.h"
#include <fstream>
#include <jmutexautolock.h>
#include <sstream>
#include <set>
#include "strfnd.h"
#include "log.h"
BanManager::BanManager(const std::string &banfilepath):
m_banfilepath(banfilepath),
m_modified(false)
{
m_mutex.Init();
try{
load();
}
catch(SerializationError &e)
{
infostream<<"WARNING: BanManager: creating "
<<m_banfilepath<<std::endl;
}
}
BanManager::~BanManager()
{
save();
}
void BanManager::load()
{
JMutexAutoLock lock(m_mutex);
infostream<<"BanManager: loading from "<<m_banfilepath<<std::endl;
std::ifstream is(m_banfilepath.c_str(), std::ios::binary);
if(is.good() == false)
{
infostream<<"BanManager: failed loading from "<<m_banfilepath<<std::endl;
throw SerializationError("BanManager::load(): Couldn't open file");
}
for(;;)
{
if(is.eof() || is.good() == false)
break;
std::string line;
std::getline(is, line, '\n');
Strfnd f(line);
std::string ip = trim(f.next("|"));
std::string name = trim(f.next("|"));
if(ip.empty())
continue;
m_ips[ip] = name;
}
m_modified = false;
}
void BanManager::save()
{
JMutexAutoLock lock(m_mutex);
infostream<<"BanManager: saving to "<<m_banfilepath<<std::endl;
std::ofstream os(m_banfilepath.c_str(), std::ios::binary);
if(os.good() == false)
{
infostream<<"BanManager: failed saving to "<<m_banfilepath<<std::endl;
throw SerializationError("BanManager::load(): Couldn't open file");
}
for(std::map<std::string, std::string>::iterator
i = m_ips.begin();
i != m_ips.end(); i++)
{
os<<i->first<<"|"<<i->second<<"\n";
}
m_modified = false;
}
bool BanManager::isIpBanned(const std::string &ip)
{
JMutexAutoLock lock(m_mutex);
return m_ips.find(ip) != m_ips.end();
}
std::string BanManager::getBanDescription(const std::string &ip_or_name)
{
JMutexAutoLock lock(m_mutex);
std::string s = "";
for(std::map<std::string, std::string>::iterator
i = m_ips.begin();
i != m_ips.end(); i++)
{
if(i->first == ip_or_name || i->second == ip_or_name
|| ip_or_name == "")
s += i->first + "|" + i->second + ", ";
}
s = s.substr(0, s.size()-2);
return s;
}
std::string BanManager::getBanName(const std::string &ip)
{
JMutexAutoLock lock(m_mutex);
std::map<std::string, std::string>::iterator i = m_ips.find(ip);
if(i == m_ips.end())
return "";
return i->second;
}
void BanManager::add(const std::string &ip, const std::string &name)
{
JMutexAutoLock lock(m_mutex);
m_ips[ip] = name;
m_modified = true;
}
void BanManager::remove(const std::string &ip_or_name)
{
JMutexAutoLock lock(m_mutex);
//m_ips.erase(m_ips.find(ip));
// Find out all ip-name pairs that match the ip or name
std::set<std::string> ips_to_delete;
for(std::map<std::string, std::string>::iterator
i = m_ips.begin();
i != m_ips.end(); i++)
{
if(i->first == ip_or_name || i->second == ip_or_name)
ips_to_delete.insert(i->first);
}
// Erase them
for(std::set<std::string>::iterator
i = ips_to_delete.begin();
i != ips_to_delete.end(); i++)
{
m_ips.erase(*i);
}
m_modified = true;
}
bool BanManager::isModified()
{
JMutexAutoLock lock(m_mutex);
return m_modified;
}
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