#include "commonheaders.h"

int hLangpack = 0;

BOOL APIENTRY DllMain(HINSTANCE hInst, DWORD dwReason, LPVOID) {
	g_hInst = hInst;
	if (dwReason == DLL_PROCESS_ATTACH) {
		INITCOMMONCONTROLSEX icce = { sizeof(icce), ICC_LISTVIEW_CLASSES | ICC_TAB_CLASSES };
		InitCommonControlsEx(&icce);
	}
	return TRUE;
}

extern "C" __declspec(dllexport) PLUGININFOEX* MirandaPluginInfoEx(DWORD mirandaVersion)
{
	return &pluginInfoEx;
}

void AddServiceFunction(LPCSTR serviceName, MIRANDASERVICE serviceFunction) {

	g_hService = (HANDLE*) mir_realloc(g_hService,sizeof(HANDLE)*(iService+1));
	g_hService[iService] = CreateServiceFunction(serviceName, serviceFunction);
	iService++;
}

void AddProtoServiceFunction(LPCSTR serviceName, MIRANDASERVICE serviceFunction)
{
	g_hService = (HANDLE*) mir_realloc(g_hService,sizeof(HANDLE)*(iService+1));
 	g_hService[iService] = CreateProtoServiceFunction(szModuleName, serviceName, serviceFunction);
	iService++;
}

void AddHookFunction(LPCSTR eventName, MIRANDAHOOK hookFunction)
{
	g_hHook = (HANDLE*) mir_realloc(g_hHook,sizeof(HANDLE)*(iHook+1));
	g_hHook[iHook] = HookEvent(eventName, hookFunction);
	iHook++;
}

HANDLE AddMenuItem(LPCSTR name,int pos,HICON hicon,LPCSTR service,int flags=0,WPARAM wParam=0)
{
	CLISTMENUITEM mi = { sizeof(mi) };
	mi.flags = flags | CMIF_HIDDEN;
	mi.position = pos;
	mi.hIcon = hicon;
	mi.pszName = (char*)name;
	mi.pszPopupName = (char*)-1;
	mi.pszService = (char*)service;
	return Menu_AddContactMenuItem(&mi);
}

HANDLE AddSubItem(HANDLE rootid,LPCSTR name,int pos,int poppos,LPCSTR service,WPARAM wParam=0)
{
	CLISTMENUITEM mi = { sizeof(mi) };
	mi.flags = CMIF_CHILDPOPUP | CMIF_HIDDEN;
	mi.position = pos;
	mi.popupPosition = poppos;
	mi.hIcon = NULL;
	mi.pszName = (char*)name;
	mi.pszPopupName = (char*)rootid;
	mi.pszService = (char*)service;
	return Menu_AddContactMenuItem(&mi);
}

extern "C" __declspec(dllexport) int __cdecl Load(void)
{
	mir_getLP(&pluginInfoEx);

	DisableThreadLibraryCalls(g_hInst);
	InitializeCriticalSection(&localQueueMutex);

	char temp[MAX_PATH];
	GetTempPath(sizeof(temp),temp);
	GetLongPathName(temp,TEMP,sizeof(TEMP));
	TEMP_SIZE = (int)strlen(TEMP);
	if (TEMP[TEMP_SIZE-1]=='\\') {
		TEMP_SIZE--;
		TEMP[TEMP_SIZE]='\0';
	}

	// check for support TrueColor Icons
	BOOL bIsComCtl6 = FALSE;
	HMODULE hComCtlDll = LoadLibrary(_T("comctl32.dll"));
	if ( hComCtlDll ) {
		typedef HRESULT (CALLBACK *PFNDLLGETVERSION)(DLLVERSIONINFO*);
		PFNDLLGETVERSION pfnDllGetVersion = (PFNDLLGETVERSION) GetProcAddress(hComCtlDll,"DllGetVersion");
		if ( pfnDllGetVersion ) {
			DLLVERSIONINFO dvi;
			memset(&dvi,0,sizeof(dvi));
			dvi.cbSize = sizeof(dvi);
			HRESULT hRes = (*pfnDllGetVersion)( &dvi );
			if ( SUCCEEDED(hRes) && dvi.dwMajorVersion >= 6 ) {
				bIsComCtl6 = TRUE;
			}
		}
		FreeLibrary(hComCtlDll);
	}
	if (bIsComCtl6)	iBmpDepth = ILC_COLOR32 | ILC_MASK;  // 32-bit images are supported
	else		iBmpDepth = ILC_COLOR24 | ILC_MASK;

	iCoreVersion = CallService(MS_SYSTEM_GETVERSION,0,0);

	// load crypo++ dll
	if ( !loadlib()) {
		msgbox1(0,sim107,szModuleName,MB_OK|MB_ICONSTOP);
		return 1;
	}

	load_rtfconv();

	// register plugin module
	PROTOCOLDESCRIPTOR pd = { sizeof(pd) };
	pd.szName = (char*)szModuleName;
	pd.type = PROTOTYPE_ENCRYPTION;
	CallService(MS_PROTO_REGISTERMODULE, 0, (LPARAM)&pd);

	// hook events
	AddHookFunction(ME_SYSTEM_MODULESLOADED, onModulesLoaded);
	AddHookFunction(ME_SYSTEM_OKTOEXIT, onSystemOKToExit);
	AddHookFunction(ME_SYSTEM_MODULELOAD, ModuleLoad);
	AddHookFunction(ME_SYSTEM_MODULEUNLOAD, ModuleLoad);

	g_hEvent[0] = CreateHookableEvent(MODULENAME"/Disabled");
	g_hEvent[1] = CreateHookableEvent(MODULENAME"/Established");

	AddServiceFunction(MODULENAME"/IsContactSecured",Service_IsContactSecured);
	AddServiceFunction(MODULENAME"/SIM_EST",Service_CreateIM);
	AddServiceFunction(MODULENAME"/SIM_DIS",Service_DisableIM);
	AddServiceFunction(MODULENAME"/SIM_ST_DIS",Service_StatusDis);
	AddServiceFunction(MODULENAME"/SIM_ST_ENA",Service_StatusEna);
	AddServiceFunction(MODULENAME"/SIM_ST_TRY",Service_StatusTry);
	AddServiceFunction(MODULENAME"/PGP_SET",Service_PGPsetKey);
	AddServiceFunction(MODULENAME"/PGP_DEL",Service_PGPdelKey);
	AddServiceFunction(MODULENAME"/GPG_SET",Service_GPGsetKey);
	AddServiceFunction(MODULENAME"/GPG_DEL",Service_GPGdelKey);
	AddServiceFunction(MODULENAME"/MODE_NAT",Service_ModeNative);
	AddServiceFunction(MODULENAME"/MODE_PGP",Service_ModePGP);
	AddServiceFunction(MODULENAME"/MODE_GPG",Service_ModeGPG);
	AddServiceFunction(MODULENAME"/MODE_RSA",Service_ModeRSAAES);
	return 0;
}

extern "C" __declspec(dllexport) int __cdecl Unload()
{
	DeleteCriticalSection(&localQueueMutex);
	return 0;
}

int ModuleLoad(WPARAM wParam, LPARAM lParam)
{
	bPopupExists = ServiceExists(MS_POPUP_ADDPOPUPEX) != 0;
    bMetaContacts = ServiceExists(MS_MC_GETMETACONTACT) != 0;
	return 0;
}

int onModulesLoaded(WPARAM wParam, LPARAM lParam)
{
#if defined(_DEBUG) || defined(NETLIB_LOG)
    InitNetlib();
    Sent_NetLog("onModuleLoaded begin");
#endif

	 g_hFolders = FoldersRegisterCustomPathT(szModuleName, LPGEN("Icons"), _T(MIRANDA_PATH"\\icons"));

	 InitIcons();
	 GetFlags();
	 ModuleLoad(0, 0);

#if defined(_DEBUG) || defined(NETLIB_LOG)
	Sent_NetLog("rsa_init");
#endif
	{ // RSA/AES
		rsa_init(&exp,&imp);

		DBVARIANT dbv;
		dbv.type = DBVT_BLOB;

		if ( DBGetContactSetting(0,szModuleName,"rsa_priv",&dbv) == 0 ) {
			exp->rsa_set_keypair(CPP_MODE_RSA_4096,dbv.pbVal,dbv.cpbVal);
			DBFreeVariant(&dbv);
			rsa_4096=1;
		}
		else
		if ( DBGetContactSetting(0,szModuleName,"rsa_priv_4096",&dbv) == 0 ) {
			exp->rsa_set_keypair(CPP_MODE_RSA_4096|CPP_MODE_RSA_BER,dbv.pbVal,dbv.cpbVal);
			DBFreeVariant(&dbv);

			char priv_key[4096]; int priv_len;
			char pub_key[4096]; int pub_len;

			DBCONTACTWRITESETTING cws;
			cws.szModule = szModuleName;
			cws.value.type = DBVT_BLOB;

			exp->rsa_get_keypair(CPP_MODE_RSA_4096,(PBYTE)&priv_key,&priv_len,(PBYTE)&pub_key,&pub_len);

			cws.szSetting = "rsa_priv";
			cws.value.pbVal = (PBYTE)&priv_key;
			cws.value.cpbVal = priv_len;
			CallService(MS_DB_CONTACT_WRITESETTING, 0, (LPARAM)&cws);

			cws.szSetting = "rsa_pub";
			cws.value.pbVal = (PBYTE)&pub_key;
			cws.value.cpbVal = pub_len;
			CallService(MS_DB_CONTACT_WRITESETTING, 0, (LPARAM)&cws);

			DBDeleteContactSetting(0, szModuleName, "rsa_priv_2048");
			DBDeleteContactSetting(0, szModuleName, "rsa_pub_2048");
			rsa_4096 = 1;
		}

		if ( !rsa_4096 ) {
			unsigned int tID;
			CloseHandle( (HANDLE) _beginthreadex(NULL, 0, sttGenerateRSA, NULL, 0, &tID));
		}

		exp->rsa_set_timeout( DBGetContactSettingWord(0,szModuleName,"ket",10));
	}

#if defined(_DEBUG) || defined(NETLIB_LOG)
	Sent_NetLog("pgp_init");
#endif
	bPGP = db_get_b(0, szModuleName, "pgp", 0);
	if (bPGP) { //PGP
	    bPGPloaded = pgp_init();
   	    bUseKeyrings = db_get_b(0,szModuleName,"ukr",1);
   	    LPSTR priv = myDBGetStringDecode(0,szModuleName,"pgpPrivKey");
   	    if (priv) {
	   	    bPGPprivkey = true;
		    if (bPGPloaded)
			pgp_set_priv_key(priv);
	   	    mir_free(priv);
	    }// if (priv)
            if (bPGPloaded && bUseKeyrings) {
    		char PubRingPath[MAX_PATH], SecRingPath[MAX_PATH];
    		PubRingPath[0]='\0'; SecRingPath[0]='\0';
    		if (pgp_get_version()<0x02000000) { // 6xx
    		    bPGPkeyrings = pgp_open_keyrings(PubRingPath,SecRingPath);
		}
        	else {
        		LPSTR tmp;
        		tmp = myDBGetString(0,szModuleName,"pgpPubRing");
        		if (tmp) {
        			strncpy(PubRingPath,tmp,sizeof(PubRingPath));
        			mir_free(tmp);
        		}
        		tmp = myDBGetString(0,szModuleName,"pgpSecRing");
        		if (tmp) {
        			strncpy(SecRingPath,tmp,sizeof(SecRingPath));
        			mir_free(tmp);
        		}
        	   	if (PubRingPath[0] && SecRingPath[0]) {
        			bPGPkeyrings = pgp_open_keyrings(PubRingPath,SecRingPath);
        			if (bPGPkeyrings) {
        				DBWriteContactSettingString(0,szModuleName,"pgpPubRing",PubRingPath);
        				DBWriteContactSettingString(0,szModuleName,"pgpSecRing",SecRingPath);
        			}
        			else {
        				DBDeleteContactSetting(0, szModuleName, "pgpPubRing");
        				DBDeleteContactSetting(0, szModuleName, "pgpSecRing");
        			}
        		}
    		}
    	    }// if (bPGPloaded && bUseKeyrings)
   	}// if (bPGP)

#if defined(_DEBUG) || defined(NETLIB_LOG)
	Sent_NetLog("gpg_init");
#endif
	bGPG = db_get_b(0, szModuleName, "gpg", 0);
	if (bGPG) { //GPG

		LPSTR tmp;

		bGPGloaded = gpg_init();

   		char gpgexec[MAX_PATH], gpghome[MAX_PATH];
   		gpgexec[0]='\0'; gpghome[0]='\0';

		tmp = myDBGetString(0,szModuleName,"gpgExec");
		if (tmp) {
			strncpy(gpgexec,tmp,sizeof(gpgexec));
			mir_free(tmp);
		}
		tmp = myDBGetString(0,szModuleName,"gpgHome");
		if (tmp) {
			strncpy(gpghome,tmp,sizeof(gpghome));
			mir_free(tmp);
		}

		if (db_get_b(0, szModuleName, "gpgLogFlag",0)) {
			tmp = myDBGetString(0,szModuleName,"gpgLog");
			if (tmp) {
				gpg_set_log(tmp);
				mir_free(tmp);
			}
		}

		if (db_get_b(0, szModuleName, "gpgTmpFlag",0)) {
			tmp = myDBGetString(0,szModuleName,"gpgTmp");
			if (tmp) {
				gpg_set_tmp(tmp);
				mir_free(tmp);
			}
		}

		bGPGkeyrings = gpg_open_keyrings(gpgexec,gpghome);
		if (bGPGkeyrings) {
			DBWriteContactSettingString(0,szModuleName,"gpgExec",gpgexec);
			DBWriteContactSettingString(0,szModuleName,"gpgHome",gpghome);
		}
		else {
			DBDeleteContactSetting(0, szModuleName, "gpgExec");
			DBDeleteContactSetting(0, szModuleName, "gpgHome");
		}

		bSavePass = db_get_b(0,szModuleName,"gpgSaveFlag",0);
		if (bSavePass) {
			tmp = myDBGetString(0,szModuleName,"gpgSave");
			if (tmp) {
				gpg_set_passphrases(tmp);
				mir_free(tmp);
			}
		}
	}

#if defined(_DEBUG) || defined(NETLIB_LOG)
	Sent_NetLog("loadContactList");
#endif
	loadContactList();

	// add new skin sound
	SkinAddNewSound("IncomingSecureMessage",LPGEN("Incoming Secure Message"),"Sounds\\iSecureMessage.wav");
	SkinAddNewSound("OutgoingSecureMessage",LPGEN("Outgoing Secure Message"),"Sounds\\oSecureMessage.wav");

#if defined(_DEBUG) || defined(NETLIB_LOG)
	Sent_NetLog("init extra icons");
#endif
	// init extra icons
	for(int i=0;i<1+MODE_CNT*IEC_CNT;i++)
		g_IEC[i] = (HANDLE)-1;

#if defined(_DEBUG) || defined(NETLIB_LOG)
	Sent_NetLog("hook events");
#endif
	AddHookFunction(ME_CLIST_PREBUILDCONTACTMENU, onRebuildContactMenu);

	g_hCLIcon = ExtraIcon_Register(szModuleName, Translate("SecureIM status"), "sim_cm_est", onExtraImageListRebuilding, onExtraImageApplying);

	// hook init options
	AddHookFunction(ME_OPT_INITIALISE, onRegisterOptions);
	if (bPopupExists)
		AddHookFunction(ME_OPT_INITIALISE, onRegisterPopOptions);
	AddHookFunction(ME_PROTO_ACK, onProtoAck);
	AddHookFunction(ME_DB_CONTACT_SETTINGCHANGED, onContactSettingChanged);
	AddHookFunction(ME_DB_CONTACT_ADDED, onContactAdded);
	AddHookFunction(ME_DB_CONTACT_DELETED, onContactDeleted);

	// hook message transport
	AddProtoServiceFunction(PSR_MESSAGE, onRecvMsg);
	AddProtoServiceFunction(PSS_MESSAGE, onSendMsg);
	AddProtoServiceFunction(PSS_MESSAGE"W", onSendMsgW);
	AddProtoServiceFunction(PSS_FILE, onSendFile);

#if defined(_DEBUG) || defined(NETLIB_LOG)
	Sent_NetLog("create Native/RSA menu");
#endif
	// create a menu item for creating a secure im connection to the user.
	g_hMenu[0] = AddMenuItem(sim301,110000,g_hICO[ICO_CM_EST],MODULENAME"/SIM_EST",CMIF_NOTOFFLINE);
	g_hMenu[1] = AddMenuItem(sim302,110001,g_hICO[ICO_CM_DIS],MODULENAME"/SIM_DIS",CMIF_NOTOFFLINE);

	if (ServiceExists(MS_CLIST_MENUBUILDSUBGROUP)) {
	    g_hMenu[2] = AddMenuItem(sim312[0],110002,NULL,NULL,CMIF_ROOTPOPUP);
	    g_hMenu[3] = AddSubItem(g_hMenu[2],sim232[0],110003,110002,MODULENAME"/SIM_ST_DIS");
	    g_hMenu[4] = AddSubItem(g_hMenu[2],sim232[1],110004,110002,MODULENAME"/SIM_ST_ENA");
	    g_hMenu[5] = AddSubItem(g_hMenu[2],sim232[2],110005,110002,MODULENAME"/SIM_ST_TRY");
	}
	else {
	    g_hMenu[2] = 0;
	    g_hMenu[3] = AddMenuItem(sim232[0],110003,NULL,MODULENAME"/SIM_ST_DIS");
	    g_hMenu[4] = AddMenuItem(sim232[1],110004,NULL,MODULENAME"/SIM_ST_ENA");
	    g_hMenu[5] = AddMenuItem(sim232[2],110005,NULL,MODULENAME"/SIM_ST_TRY");
	}

#if defined(_DEBUG) || defined(NETLIB_LOG)
	Sent_NetLog("create PGP/GPG menu");
#endif
	HICON icon;
	if ( bPGPloaded ) {
		icon=mode2icon(MODE_PGP|SECURED,2);
		g_hMenu[6] = AddMenuItem(sim306,110006,icon,MODULENAME"/PGP_SET",0);
		icon=mode2icon(MODE_PGP,2);
		g_hMenu[7] = AddMenuItem(sim307,110007,icon,MODULENAME"/PGP_DEL",0);
	}

    	if (bGPGloaded) {
		icon=mode2icon(MODE_GPG|SECURED,2);
		g_hMenu[8] = AddMenuItem(sim308,110008,icon,MODULENAME"/GPG_SET",0);
		icon=mode2icon(MODE_GPG,2);
		g_hMenu[9] = AddMenuItem(sim309,110009,icon,MODULENAME"/GPG_DEL",0);
    	}

#if defined(_DEBUG) || defined(NETLIB_LOG)
	Sent_NetLog("create Mode menu");
#endif
	if (ServiceExists(MS_CLIST_MENUBUILDSUBGROUP)) {
	    g_hMenu[10] = AddMenuItem(sim311[0],110010,NULL,NULL,CMIF_ROOTPOPUP);
	    g_hMenu[11] = AddSubItem(g_hMenu[10],sim231[0],110011,110010,MODULENAME"/MODE_NAT");
	    g_hMenu[12] = AddSubItem(g_hMenu[10],sim231[1],110012,110010,MODULENAME"/MODE_PGP");
	    g_hMenu[13] = AddSubItem(g_hMenu[10],sim231[2],110013,110010,MODULENAME"/MODE_GPG");
	    g_hMenu[14] = AddSubItem(g_hMenu[10],sim231[3],110014,110010,MODULENAME"/MODE_RSA");
	}
	else {
	    g_hMenu[10] = 0;
	    g_hMenu[11] = AddMenuItem(sim231[0],110011,NULL,MODULENAME"/MODE_NAT");
	    g_hMenu[12] = AddMenuItem(sim231[1],110012,NULL,MODULENAME"/MODE_PGP");
	    g_hMenu[13] = AddMenuItem(sim231[2],110013,NULL,MODULENAME"/MODE_GPG");
	    g_hMenu[14] = AddMenuItem(sim231[3],110014,NULL,MODULENAME"/MODE_RSA");
	}


#if defined(_DEBUG) || defined(NETLIB_LOG)
	Sent_NetLog("create srmm icons");
#endif
	// add icon to srmm status icons
	if (ServiceExists(MS_MSG_ADDICON)) {

		StatusIconData sid;
		memset(&sid,0,sizeof(sid));
		sid.cbSize = sizeof(sid);
		sid.szModule = (char*)szModuleName;
		sid.flags = MBF_DISABLED|MBF_HIDDEN;
		// Native
		sid.dwId = MODE_NATIVE;
		sid.hIcon = mode2icon(MODE_NATIVE|SECURED,3);
		sid.hIconDisabled = mode2icon(MODE_NATIVE,3);
		sid.szTooltip = Translate("SecureIM [Native]");
		CallService(MS_MSG_ADDICON, 0, (LPARAM)&sid);
		// PGP
		sid.dwId = MODE_PGP;
		sid.hIcon = mode2icon(MODE_PGP|SECURED,3);
		sid.hIconDisabled = mode2icon(MODE_PGP,3);
		sid.szTooltip = Translate("SecureIM [PGP]");
		CallService(MS_MSG_ADDICON, 0, (LPARAM)&sid);
		// GPG
		sid.dwId = MODE_GPG;
		sid.hIcon = mode2icon(MODE_GPG|SECURED,3);
		sid.hIconDisabled = mode2icon(MODE_GPG,3);
		sid.szTooltip = Translate("SecureIM [GPG]");
		CallService(MS_MSG_ADDICON, 0, (LPARAM)&sid);
		// RSAAES
		sid.dwId = MODE_RSAAES;
		sid.hIcon = mode2icon(MODE_RSAAES|SECURED,3);
		sid.hIconDisabled = mode2icon(MODE_RSAAES,3);
		sid.szTooltip = Translate("SecureIM [RSA/AES]");
		CallService(MS_MSG_ADDICON, 0, (LPARAM)&sid);

		// hook the window events so that we can can change the status of the icon
		AddHookFunction(ME_MSG_WINDOWEVENT, onWindowEvent);
		AddHookFunction(ME_MSG_ICONPRESSED, onIconPressed);
	}

#if defined(_DEBUG) || defined(NETLIB_LOG)
	Sent_NetLog("onModuleLoaded end");
#endif
	return 0;
}


int onSystemOKToExit(WPARAM wParam, LPARAM lParam)
{
    if (bSavePass) {
	LPSTR tmp = gpg_get_passphrases();
	DBWriteContactSettingString(0,szModuleName,"gpgSave",tmp);
	LocalFree(tmp);
    }
    else {
	DBDeleteContactSetting(0,szModuleName,"gpgSave");
    }
	if (bPGPloaded) pgp_done();
	if (bGPGloaded) gpg_done();
	rsa_done();
	while(iHook--) UnhookEvent(g_hHook[iHook]);
	mir_free(g_hHook);
	while(iService--) DestroyServiceFunction(g_hService[iService]);
	mir_free(g_hService);
	DestroyHookableEvent(g_hEvent[0]);
	DestroyHookableEvent(g_hEvent[1]);
	freeContactList();
	free_rtfconv();
#if defined(_DEBUG) || defined(NETLIB_LOG)
	DeinitNetlib();
#endif
	return 0;
}

// EOF