mirror of
https://github.com/ErikasKontenis/SabrehavenServer.git
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128 lines
4.0 KiB
C++
128 lines
4.0 KiB
C++
/**
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* Tibia GIMUD Server - a free and open-source MMORPG server emulator
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* Copyright (C) 2019 Sabrehaven and Mark Samman <mark.samman@gmail.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along
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* with this program; if not, write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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#include "otpch.h"
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#include "ban.h"
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#include "database.h"
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#include "databasetasks.h"
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#include "tools.h"
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bool Ban::acceptConnection(uint32_t clientip)
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{
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std::lock_guard<std::recursive_mutex> lockClass(lock);
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uint64_t currentTime = OTSYS_TIME();
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auto it = ipConnectMap.find(clientip);
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if (it == ipConnectMap.end()) {
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ipConnectMap.emplace(clientip, ConnectBlock(currentTime, 0, 1));
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return true;
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}
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ConnectBlock& connectBlock = it->second;
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if (connectBlock.blockTime > currentTime) {
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connectBlock.blockTime += 250;
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return false;
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}
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int64_t timeDiff = currentTime - connectBlock.lastAttempt;
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connectBlock.lastAttempt = currentTime;
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if (timeDiff <= 5000) {
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if (++connectBlock.count > 5) {
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connectBlock.count = 0;
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if (timeDiff <= 500) {
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connectBlock.blockTime = currentTime + 3000;
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return false;
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}
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}
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} else {
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connectBlock.count = 1;
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}
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return true;
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}
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bool IOBan::isAccountBanned(uint32_t accountId, BanInfo& banInfo)
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{
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Database* db = Database::getInstance();
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std::ostringstream query;
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query << "SELECT `reason`, `expires_at`, `banned_at`, `banned_by`, (SELECT `name` FROM `players` WHERE `id` = `banned_by`) AS `name` FROM `account_bans` WHERE `account_id` = " << accountId;
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DBResult_ptr result = db->storeQuery(query.str());
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if (!result) {
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return false;
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}
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int64_t expiresAt = result->getNumber<int64_t>("expires_at");
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if (expiresAt != 0 && time(nullptr) > expiresAt) {
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// Move the ban to history if it has expired
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query.str(std::string());
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query << "INSERT INTO `account_ban_history` (`account_id`, `reason`, `banned_at`, `expired_at`, `banned_by`) VALUES (" << accountId << ',' << db->escapeString(result->getString("reason")) << ',' << result->getNumber<time_t>("banned_at") << ',' << expiresAt << ',' << result->getNumber<uint32_t>("banned_by") << ')';
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g_databaseTasks.addTask(query.str());
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query.str(std::string());
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query << "DELETE FROM `account_bans` WHERE `account_id` = " << accountId;
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g_databaseTasks.addTask(query.str());
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return false;
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}
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banInfo.expiresAt = expiresAt;
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banInfo.reason = result->getString("reason");
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banInfo.bannedBy = result->getString("name");
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return true;
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}
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bool IOBan::isIpBanned(uint32_t clientip, BanInfo& banInfo)
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{
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if (clientip == 0) {
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return false;
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}
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Database* db = Database::getInstance();
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std::ostringstream query;
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query << "SELECT `reason`, `expires_at`, (SELECT `name` FROM `players` WHERE `id` = `banned_by`) AS `name` FROM `ip_bans` WHERE `ip` = " << clientip;
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DBResult_ptr result = db->storeQuery(query.str());
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if (!result) {
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return false;
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}
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int64_t expiresAt = result->getNumber<int64_t>("expires_at");
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if (expiresAt != 0 && time(nullptr) > expiresAt) {
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query.str(std::string());
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query << "DELETE FROM `ip_bans` WHERE `ip` = " << clientip;
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g_databaseTasks.addTask(query.str());
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return false;
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}
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banInfo.expiresAt = expiresAt;
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banInfo.reason = result->getString("reason");
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banInfo.bannedBy = result->getString("name");
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return true;
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}
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bool IOBan::isPlayerNamelocked(uint32_t playerId)
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{
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std::ostringstream query;
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query << "SELECT 1 FROM `player_namelocks` WHERE `player_id` = " << playerId;
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return Database::getInstance()->storeQuery(query.str()).get() != nullptr;
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}
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