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/*
* Copyright (C) 2004-2009 See the AUTHORS file for details.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
#ifndef _WEBMODULES_H
#define _WEBMODULES_H
#include "zncconfig.h"
#include "Template.h"
#include "HTTPSock.h"
class CAuthBase;
class CUser;
class CWebSock;
class CModule;
class CWebSubPage;
typedef CSmartPtr<CWebSubPage> TWebSubPage;
typedef vector<TWebSubPage> VWebSubPages;
class CZNCTagHandler : public CTemplateTagHandler {
public:
CZNCTagHandler(CWebSock& pWebSock);
virtual ~CZNCTagHandler() {}
virtual bool HandleTag(CTemplate& Tmpl, const CString& sName, const CString& sArgs, CString& sOutput);
private:
CWebSock& m_WebSock;
};
class CWebSession {
public:
CWebSession(const CString& sId, const CString& sIP);
~CWebSession();
const CString& GetId() const { return m_sId; }
const CString& GetIP() const { return m_sIP; }
CUser* GetUser() const { return m_pUser; }
bool IsLoggedIn() const { return m_pUser != NULL; }
bool IsAdmin() const;
CUser* SetUser(CUser* p) { m_pUser = p; return m_pUser; }
void ClearMessageLoops();
void FillMessageLoops(CTemplate& Tmpl);
size_t AddError(const CString& sMessage);
size_t AddSuccess(const CString& sMessage);
private:
CString m_sId;
CString m_sIP;
CUser* m_pUser;
VCString m_vsErrorMsgs;
VCString m_vsSuccessMsgs;
};
class CWebSubPage {
public:
CWebSubPage(const CString& sName, const CString& sTitle = "", unsigned int uFlags = 0) : m_sName(sName), m_sTitle(sTitle) {
m_uFlags = uFlags;
}
CWebSubPage(const CString& sName, const CString& sTitle, const VPair& vParams, unsigned int uFlags = 0) : m_sName(sName), m_sTitle(sTitle), m_vParams(vParams) {
m_uFlags = uFlags;
}
virtual ~CWebSubPage() {}
enum {
F_ADMIN = 1
};
void SetName(const CString& s) { m_sName = s; }
void SetTitle(const CString& s) { m_sTitle = s; }
void AddParam(const CString& sName, const CString& sValue) { m_vParams.push_back(make_pair(sName, sValue)); }
bool RequiresAdmin() const { return m_uFlags & F_ADMIN; }
const CString& GetName() const { return m_sName; }
const CString& GetTitle() const { return m_sTitle; }
const VPair& GetParams() const { return m_vParams; }
private:
unsigned int m_uFlags;
CString m_sName;
CString m_sTitle;
VPair m_vParams;
};
class CWebSessionMap : public TCacheMap<CString, CSmartPtr<CWebSession> > {
public:
CWebSessionMap(unsigned int uTTL = 5000) : TCacheMap<CString, CSmartPtr<CWebSession> >(uTTL) {}
void FinishUserSessions(const CUser& User);
};
class CWebSock : public CHTTPSock {
public:
enum EPageReqResult {
PAGE_NOTFOUND, // print 404 and Close()
PAGE_PRINT, // print page contents and Close()
PAGE_DEFERRED, // async processing, Close() will be called from a different place
PAGE_DONE // all stuff has been done
};
CWebSock();
virtual ~CWebSock();
virtual bool ForceLogin();
virtual bool OnLogin(const CString& sUser, const CString& sPass);
virtual void OnPageRequest(const CString& sURI);
void ParsePath(); // This parses the path portion of the url into some member vars
EPageReqResult PrintTemplate(const CString& sPageName, CString& sPageRet, CModule* pModule = NULL);
EPageReqResult PrintStaticFile(const CString& sPath, CString& sPageRet, CModule* pModule = NULL);
CString FindTmpl(CModule* pModule, const CString& sName);
void PrintErrorPage(const CString& sMessage);
CSmartPtr<CWebSession> GetSession();
virtual Csock* GetSockObj(const CString& sHost, unsigned short uPort);
static CString GetSkinPath(const CString& sSkinName);
CModule* GetModule() const { return (CModule*) m_pModule; }
void GetAvailSkins(VCString& vRet) const;
CString GetSkinName();
CString GetRequestCookie(const CString& sKey);
bool SendCookie(const CString& sKey, const CString& sValue);
static void FinishUserSessions(const CUser& User);
protected:
using CHTTPSock::PrintErrorPage;
bool AddModLoop(const CString& sLoopName, CModule& Module);
VCString GetDirs(CModule* pModule, bool bIsTemplate);
void SetPaths(CModule* pModule, bool bIsTemplate = false);
void SetVars();
CString GetCSRFCheck();
private:
EPageReqResult OnPageRequestInternal(const CString& sURI, CString& sPageRet);
bool m_bPathsSet;
CTemplate m_Template;
CSmartPtr<CAuthBase> m_spAuth;
CString m_sModName; // Gets filled by ParsePath()
CString m_sPath; // Gets filled by ParsePath()
CString m_sPage; // Gets filled by ParsePath()
CSmartPtr<CWebSession> m_spSession;
static const unsigned int m_uiMaxSessions;
};
#endif // !_WEBMODULES_H
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