web.cpp

web应用控件,主要是实现的web开发中文件的加密和解密.该控件b/s架构的应用系统 中有比较好的用途

// Web.cpp : Implementation of CWebApp and DLL registration.

#include "stdafx.h"
#include "Web.h"

/////////将控件标记为脚本安全和初始化安全///////////
#include "comcat.h"
#include "Objsafe.h"
///////////////////////////////


#ifdef _DEBUG
#define new DEBUG_NEW
#undef THIS_FILE
static char THIS_FILE[] = __FILE__;
#endif




CWebApp NEAR theApp;

const GUID CDECL BASED_CODE _tlid =
		{ 0x99516d60, 0xdde5, 0x4866, { 0x85, 0x6c, 0xba, 0xd7, 0xdb, 0xe6, 0x4c, 0x37 } };
// 本控件的CLSID,注册表用
const GUID CDECL CLSID_SafeItem ={ 0x383828E0, 0x431E, 0x4562,
                      { 0x85,0x09,0xFF,0xA7,0xA4,0x0A,0xCE,0xA1 } };
// 版本控制
const WORD _wVerMajor = 1;
// 次版本号
const WORD _wVerMinor = 0;


////////////////////////////////////////////////////////////////////////////
// CWebApp::InitInstance - DLL initialization

BOOL CWebApp::InitInstance()
{
	BOOL bInit = COleControlModule::InitInstance();

	if (bInit)
	{
		// TODO: Add your own module initialization code here.
	}

	return bInit;
}


////////////////////////////////////////////////////////////////////////////
// CWebApp::ExitInstance - DLL termination

int CWebApp::ExitInstance()
{
	// TODO: Add your own module termination code here.

	return COleControlModule::ExitInstance();
}








// 创建组件种类
HRESULT CreateComponentCategory(CATID catid, WCHAR* catDescription)
{
    ICatRegister* pcr = NULL ;
    HRESULT hr = S_OK ;

    hr = CoCreateInstance(CLSID_StdComponentCategoriesMgr, 
            NULL, CLSCTX_INPROC_SERVER, IID_ICatRegister, (void**)&pcr);
    if (FAILED(hr))
        return hr;

    // Make sure the HKCR\Component Categories\{..catid...}
    // key is registered.
    CATEGORYINFO catinfo;
    catinfo.catid = catid;
    catinfo.lcid = 0x0409 ; // english

    // Make sure the provided description is not too long.
    // Only copy the first 127 characters if it is.
    int len = wcslen(catDescription);
    if (len>127)
        len = 127;
    wcsncpy(catinfo.szDescription, catDescription, len);
    // Make sure the description is null terminated.
    catinfo.szDescription[len] = '\0';

    hr = pcr->RegisterCategories(1, &catinfo);
        pcr->Release();

    return hr;
}

// 注册组件种类
HRESULT RegisterCLSIDInCategory(REFCLSID clsid, CATID catid)
{
    // Register your component categories information.
    ICatRegister* pcr = NULL ;
    HRESULT hr = S_OK ;
    hr = CoCreateInstance(CLSID_StdComponentCategoriesMgr, 
                NULL, CLSCTX_INPROC_SERVER, IID_ICatRegister, (void**)&pcr);
    if (SUCCEEDED(hr))
    {
       // Register this category as being "implemented" by the class.
       CATID rgcatid[1] ;
       rgcatid[0] = catid;
       hr = pcr->RegisterClassImplCategories(clsid, 1, rgcatid);
    }
    if (pcr != NULL)
        pcr->Release();
    return hr;
}
// 卸载组件种类
HRESULT UnRegisterCLSIDInCategory(REFCLSID clsid, CATID catid)
{
    ICatRegister* pcr = NULL ;
    HRESULT hr = S_OK ;

    hr = CoCreateInstance(CLSID_StdComponentCategoriesMgr, 
            NULL, CLSCTX_INPROC_SERVER, IID_ICatRegister, (void**)&pcr);
    if (SUCCEEDED(hr))
    {
       // Unregister this category as being "implemented" by the class.
       CATID rgcatid[1] ;
       rgcatid[0] = catid;
       hr = pcr->UnRegisterClassImplCategories(clsid, 1, rgcatid);
    }

    if (pcr != NULL)
        pcr->Release();

    return hr;
}



/////////////////////////////////////////////////////////////////////////////
// DllRegisterServer - Adds entries to the system registry




STDAPI DllRegisterServer(void)
{
HRESULT hr;

    AFX_MANAGE_STATE(_afxModuleAddrThis);

    if (!AfxOleRegisterTypeLib(AfxGetInstanceHandle(), _tlid))
        return ResultFromScode(SELFREG_E_TYPELIB);

    if (!COleObjectFactoryEx::UpdateRegistryAll(TRUE))
        return ResultFromScode(SELFREG_E_CLASS);

    // 标记控件初始化安全.
    // 创建初始化安全组件种类
    hr = CreateComponentCategory(CATID_SafeForInitializing,
               L"Controls safely initializable from persistent data!");
    if (FAILED(hr))
        return hr;
    // 注册初始化安全
    hr = RegisterCLSIDInCategory(CLSID_SafeItem, CATID_SafeForInitializing);
    if (FAILED(hr))
        return hr;

    // 标记控件脚本安全
    // 创建脚本安全组件种类 
    hr = CreateComponentCategory(CATID_SafeForScripting, L"Controls safely scriptable!");
    if (FAILED(hr))
        return hr;
    // 注册脚本安全组件种类
    hr = RegisterCLSIDInCategory(CLSID_SafeItem, CATID_SafeForScripting);
    if (FAILED(hr))
        return hr;

    return NOERROR;


}


/////////////////////////////////////////////////////////////////////////////
// DllUnregisterServer - Removes entries from the system registry

STDAPI DllUnregisterServer(void)
{

        HRESULT hr;

        AFX_MANAGE_STATE(_afxModuleAddrThis);

        if (!AfxOleUnregisterTypeLib(_tlid, _wVerMajor, _wVerMinor))
                return ResultFromScode(SELFREG_E_TYPELIB);

        if (!COleObjectFactoryEx::UpdateRegistryAll(FALSE))
                return ResultFromScode(SELFREG_E_CLASS);

    // 删除控件初始化安全入口.
    hr=UnRegisterCLSIDInCategory(CLSID_SafeItem,CATID_SafeForInitializing);
    if (FAILED(hr))
        return hr;
    // 删除控件脚本安全入口
    hr=UnRegisterCLSIDInCategory(CLSID_SafeItem, CATID_SafeForScripting);
    if (FAILED(hr))
        return hr;

//////////////////////////
        return NOERROR;

}