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/*
* This file is part of the AzerothCore Project. See AUTHORS file for Copyright information
*
* 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 2 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/>.
*/
#include "IPLocation.h"
#include "Config.h"
#include "Errors.h"
#include "IpAddress.h"
#include "Log.h"
#include "StringConvert.h"
#include <fstream>
IpLocationStore::IpLocationStore()
{
}
IpLocationStore::~IpLocationStore()
{
}
void IpLocationStore::Load()
{
_ipLocationStore.clear();
LOG_INFO("server.loading", "Loading IP Location Database...");
std::string databaseFilePath = sConfigMgr->GetOption<std::string>("IPLocationFile", "");
if (databaseFilePath.empty())
{
LOG_INFO("server.loading", " ");
return;
}
// Check if file exists
std::ifstream databaseFile(databaseFilePath);
if (!databaseFile)
{
LOG_ERROR("server.loading", "IPLocation: No ip database file exists ({}).", databaseFilePath);
return;
}
if (!databaseFile.is_open())
{
LOG_ERROR("server.loading", "IPLocation: Ip database file ({}) can not be opened.", databaseFilePath);
return;
}
std::string ipFrom;
std::string ipTo;
std::string countryCode;
std::string countryName;
while (databaseFile.good())
{
// Read lines
if (!std::getline(databaseFile, ipFrom, ','))
break;
if (!std::getline(databaseFile, ipTo, ','))
break;
if (!std::getline(databaseFile, countryCode, ','))
break;
if (!std::getline(databaseFile, countryName, '\n'))
break;
// Remove new lines and return
countryName.erase(std::remove(countryName.begin(), countryName.end(), '\r'), countryName.end());
countryName.erase(std::remove(countryName.begin(), countryName.end(), '\n'), countryName.end());
// Remove quotation marks
ipFrom.erase(std::remove(ipFrom.begin(), ipFrom.end(), '"'), ipFrom.end());
ipTo.erase(std::remove(ipTo.begin(), ipTo.end(), '"'), ipTo.end());
countryCode.erase(std::remove(countryCode.begin(), countryCode.end(), '"'), countryCode.end());
countryName.erase(std::remove(countryName.begin(), countryName.end(), '"'), countryName.end());
// Convert country code to lowercase
std::transform(countryCode.begin(), countryCode.end(), countryCode.begin(), ::tolower);
auto IpFrom = Acore::StringTo<uint32>(ipFrom);
auto IpTo = Acore::StringTo<uint32>(ipTo);
if (!IpFrom || !IpTo)
continue;
_ipLocationStore.emplace_back(*IpFrom, *IpTo, std::move(countryCode), std::move(countryName));
}
std::sort(_ipLocationStore.begin(), _ipLocationStore.end(), [](IpLocationRecord const& a, IpLocationRecord const& b) { return a.IpFrom < b.IpFrom; });
ASSERT(std::is_sorted(_ipLocationStore.begin(), _ipLocationStore.end(), [](IpLocationRecord const& a, IpLocationRecord const& b) { return a.IpFrom < b.IpTo; }),
"Overlapping IP ranges detected in database file");
databaseFile.close();
LOG_INFO("server.loading", ">> Loaded {} ip location entries.", static_cast<uint32>(_ipLocationStore.size()));
LOG_INFO("server.loading", " ");
}
IpLocationRecord const* IpLocationStore::GetLocationRecord(std::string const& ipAddress) const
{
uint32 ip = Acore::Net::address_to_uint(Acore::Net::make_address_v4(ipAddress));
auto itr = std::upper_bound(_ipLocationStore.begin(), _ipLocationStore.end(), ip, [](uint32 ip, IpLocationRecord const& loc) { return ip < loc.IpTo; });
if (itr == _ipLocationStore.end())
{
return nullptr;
}
if (ip < itr->IpFrom)
{
return nullptr;
}
return &(*itr);
}
IpLocationStore* IpLocationStore::instance()
{
static IpLocationStore instance;
return &instance;
}
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