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winix/winixd/core/sessionmanager.h

159 lines
4.3 KiB

/*
* This file is a part of Winix
* and is distributed under the 2-Clause BSD licence.
* Author: Tomasz Sowa <t.sowa@ttmath.org>
*/
/*
* Copyright (c) 2008-2019, Tomasz Sowa
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*
* 1. Redistributions of source code must retain the above copyright notice,
* this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ifndef headerfile_winix_core_sessionmanager
#define headerfile_winix_core_sessionmanager
#include <set>
#include <ctime>
#include "sessioncontainer.h"
#include "ipbancontainer.h"
#include "config.h"
#include "request.h"
#include "lastcontainer.h"
#include "system.h"
#include "synchro.h"
#include "basethread.h"
#include "sessionidmanager.h"
namespace Winix
{
class SessionManager : public BaseThread
{
public:
SessionManager();
void SetCur(Cur * pcur);
void SetSystem(System * psystem);
void SetLastContainer(LastContainer * plast_container);
void set_dependency(WinixModelDeprecated * winix_model);
// can return a null pointer
Session * FindSession(long id);
Session * PrepareSession();
// some functions require a session (need_session flag) so if there was
// a temporary session and a function requires a session then we create a new session
Session * CheckIfFunctionRequireSession();
void DeleteSessions(); // deleting all sessions
bool ChangeSessionId(long old_id);
void IncrementBanLevel(IPBan * ip_ban);
void InitTmpSession();
void InitBanList();
void InitCookieEncoding();
void UninitTmpSession();
Session * GetTmpSession();
Session * GetCurSession();
void LoadSessions();
void SaveSessions();
SessionContainer::Iterator SessionBegin();
SessionContainer::Iterator SessionEnd();
size_t Size();
size_t MarkAllSessionsToRemove(long user_id);
IPBan & AddIPToBanList(int ip);
IPBan & AddIPToBanList(int ip, time_t last_used);
size_t BanListSize();
IPBan & GetIPBan(size_t index);
void RemoveIPBan(int ip);
void ClearIPBanList();
bool EncodeSessionId(long id, unsigned int index, std::wstring & str);
private:
Cur * cur;
System * system;
LastContainer * last_container;
Session * session;
SessionContainer session_tab;
IPBanContainer ban_tab;
IPBan * current_ip_ban;
Session temporary_session;
SessionIdManager session_id_manager;
bool IsSession(long s);
long CreateSessionId();
void CreateSession();
bool IsSessionCorrect(long id, bool has_index, unsigned int index, const SessionContainer::Iterator & s, unsigned int & difference);
bool SetSessionFromCookie(long id, bool has_index, unsigned int index);
bool SetSessionFromCookie(const std::wstring & cookie);
void SetTemporarySession();
unsigned int CalculateIndexDifference(Session & ses, unsigned int index);
void SetSessionPutLogInfo(Session & ses, bool has_index, unsigned int difference);
bool IsIPBanned();
void SetFirstExpirationTime(IPBan * ip_ban);
void BrokenCookieCheckBan();
void IncorrectSessionCheckBan();
void NoSessionCookieWasSent();
/*
* second thread
*/
int deleted;
virtual void Work();
void CheckSession(SessionContainer::Iterator & i);
bool IsSessionOutdated(const Session & s) const;
void DeleteSession(Session * del_session);
void CheckWheterIPListIsSorted();
};
} // namespace Winix
#endif