mguardcommand.cpp

symbian s60手机上的短信拦截源代码。

/*
* ============================================================================
*  Name     : MGuardCommand from MGuardCommand.cpp
*  Part of  : MGuardCommand
*  Created  : 29.07.2007 by xueyw
*  Description:
*  Version  :
*  Copyright: 
* ============================================================================
*/

//  Include Files  
#include "MGuardCommand.h"
#include "MGuardPIMMgr.h"
#include "MGuardScReqHandler.h"


CMGuardCmd* CMGuardCmd::NewLC( TDesC& aSMSText )
{
    CMGuardCmd* self = new (ELeave) CMGuardCmd;
    CleanupStack::PushL(self);
    self->ConstructL( aSMSText );
    return self;
}


CMGuardCmd* CMGuardCmd::NewL( TDesC& aSMSText )
{
    CMGuardCmd* self = CMGuardCmd::NewLC( aSMSText );
    CleanupStack::Pop(self);
    return self;
}


CMGuardCmd::CMGuardCmd()
// note, CBase initialises all member variables to zero
    {
    }


void CMGuardCmd::ConstructL( TDesC& aSMSText )
    {
    	iCommandID = MGUARDINVALIDCMD;
    	iRawCommand = aSMSText.Alloc();
    	iCommandID = ExtractCommand( aSMSText );

		iDummyObserver = new (ELeave)CDummyScObserver();
    }


CMGuardCmd::~CMGuardCmd()
    {
		delete iRawCommand;
		delete iDummyObserver;
		iRawCommand = NULL;
    }
    
    
TInt CMGuardCmd::ExtractCommand( TDesC& aSMSText )
	{
		if ( KErrNotFound != aSMSText.FindF( _L("UNLOCK") ) )
		{
			return MGUARDUNLOCK;
		}

		if ( KErrNotFound == aSMSText.FindF( _L("UNLOCK") ) &&
			KErrNotFound != aSMSText.FindF( _L("LOCK") )  )
		{
			return MGUARDLOCK;
		}

		if ( KErrNotFound != aSMSText.FindF( _L("WIPE") ) )
		{
			return MGUARDWIPE;
		}
		
		if ( KErrNotFound != aSMSText.FindF( _L("ADDCONTACT") ) )
		{
			return MGUARDADDCONTACT;
		}

		return MGUARDINVALIDCMD;
	}
	
TInt CMGuardCmd::Execute()
	{
		switch ( iCommandID )
		{
		case MGUARDUNLOCK:
			{
				//	Request ScServer to unlock screen

				CMGuardScReqHandler* aHandler = CMGuardScReqHandler::NewL( *iDummyObserver );
				aHandler->RequestUnlock();

				//	Start handling requests
				//	Stop scheduler in CMGuardScReqHandler::RunL()
				CActiveScheduler::Start();

				RFs aFs;
				User::LeaveIfError( aFs.Connect() );
				aFs.Delete( _L("c:\\MGuardCapture.log") );
				aFs.Close();

				delete aHandler;
				aHandler = NULL;
			}
			break;
			
		case MGUARDLOCK:
			{
				CMGuardScReqHandler* aHandler = CMGuardScReqHandler::NewL( *iDummyObserver );
				aHandler->RequestLock();

				//	Start handling requests
				//	Stop scheduler in CMGuardScReqHandler::RunL()
				CActiveScheduler::Start();

				RFs fs;
				User::LeaveIfError( fs.Connect() );
				RFile aFile;
				aFile.Replace( fs, _L("c:\\MGuardCapture.log"), EFileRead );

				aFile.Close();
				fs.Close();

				delete aHandler;
				aHandler = NULL;

			}
			break;
			
		case MGUARDWIPE:
			{
				CMGuardScReqHandler* aHandler = CMGuardScReqHandler::NewL( *iDummyObserver );
				aHandler->RequestLock();

				//	Start handling requests
				//	Stop scheduler in CMGuardScReqHandler::RunL()
				CActiveScheduler::Start();

				delete aHandler;
				aHandler = NULL;

				RFs fs;
				User::LeaveIfError( fs.Connect() );
				RFile aFile;
				aFile.Replace( fs, _L("c:\\MGuardCapture.log"), EFileRead );

				aFile.Close();
				fs.Close();


				CMGuardPIMMgr* pMgr = CMGuardPIMMgr::NewL();
				pMgr->RemoveAllContacts();

				delete pMgr;
			}
			break;
			
		case MGUARDADDCONTACT:
			{
				CMGuardPIMMgr* pMgr = CMGuardPIMMgr::NewL();

				TInt aNameIndex = iRawCommand->FindF( _L("NAME=") );
				TBuf<50> aContactN;// = contactN->Des();
				if ( KErrNotFound != aNameIndex )
				{
					aNameIndex += 5;
					aContactN.Copy( iRawCommand->Right( iRawCommand->Length() - aNameIndex ) );
					TInt aTempIndex = aContactN.FindF( _L("=") );
					if ( KErrNotFound != aTempIndex )
					{
						aContactN.Delete( aTempIndex, aContactN.Length() );
					}
				}

				TInt aTelIndex = iRawCommand->FindF( _L("TEL=") );
				TBuf<50> aContactT;// = contatT->Des();
				if ( KErrNotFound != aTelIndex )
				{
					aTelIndex += 4;
					aContactT.Copy( iRawCommand->Right( iRawCommand->Length() - aTelIndex ) );
					TInt aTempIndex = aContactT.FindF( _L("=") );
					if ( KErrNotFound != aTempIndex )
					{
						aContactT.Delete( aTempIndex, aContactT.Length() );
					}
				}

				TInt aAddrIndex = iRawCommand->FindF( _L("ADDR=") );
				TBuf<50> aContactA;// = contactA->Des();
				if ( KErrNotFound != aAddrIndex )
				{
					aAddrIndex += 5;
					aContactA.Copy( iRawCommand->Right( iRawCommand->Length() - aAddrIndex ) );
					TInt aTempIndex = aContactA.FindF( _L("=") );
					if ( KErrNotFound != aTempIndex )
					{
						aContactA.Delete( aTempIndex, aContactA.Length() );
					}
				}

				pMgr->AddContact( aContactN, aContactT, aContactA );

				delete pMgr;

//				delete contactN;
//				delete contatT;
//				delete contactA;
			}
			break;
			
		default:
			break;
		}
		
		return iCommandID;
	}