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/*
* This file is part of the TrinityCore 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 "LoginHttpSession.h"
#include "DatabaseEnv.h"
#include "LoginRESTService.h"
#include "SslContext.h"
#include "Util.h"
namespace Battlenet
{
template<template<typename> typename SocketImpl>
LoginHttpSession<SocketImpl>::LoginHttpSession(boost::asio::ip::tcp::socket&& socket, LoginHttpSessionWrapper& owner)
: BaseSocket(std::move(socket), SslContext::instance()), _owner(owner)
{
}
template<template<typename> typename SocketImpl>
LoginHttpSession<SocketImpl>::~LoginHttpSession() = default;
template<template<typename> typename SocketImpl>
void LoginHttpSession<SocketImpl>::Start()
{
std::string ip_address = this->GetRemoteIpAddress().to_string();
TC_LOG_TRACE("server.http.session", "{} Accepted connection", this->GetClientInfo());
// Verify that this IP is not in the ip_banned table
LoginDatabase.Execute(LoginDatabase.GetPreparedStatement(LOGIN_DEL_EXPIRED_IP_BANS));
LoginDatabasePreparedStatement* stmt = LoginDatabase.GetPreparedStatement(LOGIN_SEL_IP_INFO);
stmt->setString(0, ip_address);
this->_queryProcessor.AddCallback(LoginDatabase.AsyncQuery(stmt)
.WithPreparedCallback([sess = this->shared_from_this()](PreparedQueryResult result) { sess->CheckIpCallback(std::move(result)); }));
}
template<template<typename> typename SocketImpl>
void LoginHttpSession<SocketImpl>::CheckIpCallback(PreparedQueryResult result)
{
if (result)
{
bool banned = false;
do
{
Field* fields = result->Fetch();
if (fields[0].GetUInt64() != 0)
banned = true;
} while (result->NextRow());
if (banned)
{
TC_LOG_DEBUG("server.http.session", "{} tries to log in using banned IP!", this->GetClientInfo());
this->CloseSocket();
return;
}
}
if constexpr (std::is_same_v<BaseSocket, Trinity::Net::Http::SslSocket<LoginHttpSession<Trinity::Net::Http::SslSocket>>>)
{
this->AsyncHandshake();
}
else
{
this->ResetHttpParser();
this->AsyncRead();
}
}
template<template<typename> typename SocketImpl>
Trinity::Net::Http::RequestHandlerResult LoginHttpSession<SocketImpl>::RequestHandler(Trinity::Net::Http::RequestContext& context)
{
return sLoginService.HandleRequest(_owner.shared_from_this(), context);
}
std::shared_ptr<Trinity::Net::Http::SessionState> ObtainSessionState(Trinity::Net::Http::RequestContext& context, boost::asio::ip::address const& remoteAddress)
{
using namespace std::string_literals;
std::shared_ptr<Trinity::Net::Http::SessionState> state;
auto cookieItr = context.request.find(boost::beast::http::field::cookie);
if (cookieItr != context.request.end())
{
std::vector<std::string_view> cookies = Trinity::Tokenize(Trinity::Net::Http::ToStdStringView(cookieItr->value()), ';', false);
std::size_t eq = 0;
auto sessionIdItr = std::find_if(cookies.begin(), cookies.end(), [&](std::string_view cookie)
{
std::string_view name = cookie;
eq = cookie.find('=');
if (eq != std::string_view::npos)
name = cookie.substr(0, eq);
return name == LoginHttpSessionWrapper::SESSION_ID_COOKIE;
});
if (sessionIdItr != cookies.end())
{
std::string_view value = sessionIdItr->substr(eq + 1);
state = sLoginService.FindAndRefreshSessionState(value, remoteAddress);
}
}
if (!state)
{
state = sLoginService.CreateNewSessionState(remoteAddress);
std::string_view host = Trinity::Net::Http::ToStdStringView(context.request[boost::beast::http::field::host]);
if (std::size_t port = host.find(':'); port != std::string_view::npos)
host.remove_suffix(host.length() - port);
context.response.insert(boost::beast::http::field::set_cookie, Trinity::StringFormat("{}={}; Path=/bnetserver; Domain={}; Secure; HttpOnly; SameSite=None",
LoginHttpSessionWrapper::SESSION_ID_COOKIE, boost::uuids::to_string(state->Id), host));
}
return state;
}
template class LoginHttpSession<Trinity::Net::Http::SslSocket>;
template class LoginHttpSession<Trinity::Net::Http::Socket>;
LoginHttpSessionWrapper::LoginHttpSessionWrapper(boost::asio::ip::tcp::socket&& socket)
{
if (!SslContext::UsesDevWildcardCertificate())
_socket = std::make_shared<LoginHttpSession<Trinity::Net::Http::SslSocket>>(std::move(socket), *this);
else
_socket = std::make_shared<LoginHttpSession<Trinity::Net::Http::Socket>>(std::move(socket), *this);
}
}
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