sl@0: /*
sl@0: * Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).
sl@0: * All rights reserved.
sl@0: * This component and the accompanying materials are made available
sl@0: * under the terms of the License "Eclipse Public License v1.0"
sl@0: * which accompanies this distribution, and is available
sl@0: * at the URL "http://www.eclipse.org/legal/epl-v10.html".
sl@0: *
sl@0: * Initial Contributors:
sl@0: * Nokia Corporation - initial contribution.
sl@0: *
sl@0: * Contributors:
sl@0: *
sl@0: * Description: 
sl@0: * refpolicyevaluator.cpp
sl@0: *
sl@0: */
sl@0: 
sl@0: 
sl@0: #include "testpolicyevaluator.h"
sl@0: #include <ecom/implementationproxy.h>
sl@0: #include <ups/cliententity.h>
sl@0: #include <ups/fingerprint.h>
sl@0: #include <ups/upsdb.h>
sl@0: 
sl@0: using namespace UserPromptService;
sl@0: 
sl@0: static const TUint KTestPolicyEvaluatorImplementationId = 0x10283698;
sl@0: 
sl@0: CPolicyEvaluator* CTestPolicyEvaluator::CreatePolicyEvaluatorL()
sl@0: /**
sl@0: Factory method that instantiates a new policy evaluator ECOM plug-in.
sl@0: 
sl@0: @return A pointer to the new reference policy evaluator object.
sl@0: */
sl@0: 	{
sl@0: 	CTestPolicyEvaluator* self = new (ELeave)CTestPolicyEvaluator();
sl@0: 	CleanupStack::PushL(self);
sl@0: 	self->ConstructL();
sl@0: 	CleanupStack::Pop(self);
sl@0: 	return self;
sl@0: 	}
sl@0: 
sl@0: static const TImplementationProxy ImplementationTable[] = 
sl@0: 	{
sl@0: 	IMPLEMENTATION_PROXY_ENTRY(KTestPolicyEvaluatorImplementationId, CTestPolicyEvaluator::CreatePolicyEvaluatorL)
sl@0: 	};
sl@0: 
sl@0: EXPORT_C const TImplementationProxy* ImplementationGroupProxy(TInt& aTableCount)
sl@0: /**
sl@0: Standard ECOM factory
sl@0: */
sl@0: 	{
sl@0: 	aTableCount = sizeof(ImplementationTable) / sizeof(TImplementationProxy);
sl@0: 	return ImplementationTable;
sl@0: 	}	
sl@0: 	
sl@0: 
sl@0: CTestPolicyEvaluator::CTestPolicyEvaluator()
sl@0: /**
sl@0: Constructor
sl@0: */
sl@0: 	: CPolicyEvaluator()
sl@0: 	{
sl@0: 	CActiveScheduler::Add(this);
sl@0: 	}
sl@0: 	
sl@0: CTestPolicyEvaluator::~CTestPolicyEvaluator()
sl@0: /**
sl@0: Destructor
sl@0: */
sl@0: 	{
sl@0: 	Deque();
sl@0: 	delete iDigest;
sl@0: 	delete iClientEntity;
sl@0: 	}
sl@0: 
sl@0: void CTestPolicyEvaluator::ConstructL()
sl@0: /**
sl@0: Second phase constructor, creates the message digest
sl@0: */
sl@0: 	{	
sl@0: 	iDigest = CMessageDigestFactory::NewDigestL(CMessageDigest::EMD5);
sl@0: 	}
sl@0: 
sl@0: 
sl@0: // From CActive
sl@0: void CTestPolicyEvaluator::DoCancel()
sl@0: 	{	
sl@0: 	// Logically should Cancel the internal outstanding requst, but
sl@0: 	// currently GenerateFingerprints has already completed it.
sl@0: 
sl@0: 	// And need to complete the clients request
sl@0: 	if (iClientStatus)
sl@0: 		{
sl@0: 		User::RequestComplete(iClientStatus, KErrCancel);
sl@0: 		}
sl@0: 	}
sl@0: 	
sl@0: TInt CTestPolicyEvaluator::RunError(TInt aError)
sl@0: 	{
sl@0: 	if (iClientStatus)
sl@0: 		{
sl@0: 		User::RequestComplete(iClientStatus, aError);
sl@0: 		}
sl@0: 	return KErrNone;
sl@0: 	}
sl@0: 	
sl@0: void CTestPolicyEvaluator::RunL()
sl@0: 	{
sl@0: 	// This plug-in doesn't use the opaque data	
sl@0: 	TInt opaqueDataLen = iRequest->OpaqueData().Length();
sl@0: 	if (opaqueDataLen > 0)
sl@0: 		{
sl@0: 		RDebug::Printf("Received %d bytes of opaque data", opaqueDataLen);
sl@0: 		}
sl@0: 		
sl@0: 	SetClientEntityL();
sl@0: 	
sl@0: 	// Create most specific hash first i.e. HASH(destination)
sl@0: 	// N.B. Normally, the destination field should be parsed so that only relevant data is hashed.		
sl@0: 	iDigest->Reset();
sl@0: 	const TDesC& d = iRequest->Destination();
sl@0: 	TPtrC8 p(reinterpret_cast<const TUint8*>(d.Ptr()), d.Length() * 2);
sl@0: 	TPtrC8 h(iDigest->Hash(p));
sl@0: 	
sl@0: 	CFingerprint* f = CFingerprint::NewLC(h, d);
sl@0: 	iFingerprints->AppendL(f);
sl@0: 	CleanupStack::Pop(f);
sl@0: 
sl@0: 	// An empty fingerprint may be used for decisions that apply to
sl@0: 	// all destinations.
sl@0: 	f = CFingerprint::NewLC(KNullDesC8, KNullDesC);
sl@0: 	iFingerprints->AppendL(f);
sl@0: 	CleanupStack::Pop(f);
sl@0: 		
sl@0: 	User::RequestComplete(iClientStatus, KErrNone);
sl@0: 	}
sl@0: 
sl@0: void CTestPolicyEvaluator::SetClientEntityL()
sl@0: /**
sl@0: Sets the name of the entity within the client process that made the request.
sl@0: This is optional functionality designed to allow permissions to be set for scripts
sl@0: where the scripting host process can execute a number of different scripts.
sl@0: */
sl@0: 	{
sl@0: 	// This doesn't really support client entities, so for testing purposes we
sl@0: 	// extract the client entity name from the opaque data.
sl@0: 	_LIT8(KClientEntityTagStart, "<ce>");
sl@0: 	_LIT8(KClientEntityTagEnd, "</ce>");
sl@0: 	TInt startPos;
sl@0: 	TInt endPos;
sl@0: 	if ((startPos = iRequest->OpaqueData().FindF(KClientEntityTagStart)) != KErrNotFound)
sl@0: 		{
sl@0: 		startPos += KClientEntityTagStart().Length();
sl@0: 		if ((endPos = iRequest->OpaqueData().FindF(KClientEntityTagEnd)) != KErrNotFound)	
sl@0: 			{
sl@0: 			if (endPos > startPos)	
sl@0: 				{
sl@0: 				TPtrC8 entityName = iRequest->OpaqueData().Mid(startPos, endPos - startPos);
sl@0: 				iClientEntity = CClientEntity::NewL(entityName);
sl@0: 				*iClientEntityPtr = iClientEntity;			
sl@0: 				}	
sl@0: 			}
sl@0: 		}
sl@0: 	}
sl@0: 	
sl@0: void CTestPolicyEvaluator::GenerateFingerprints(
sl@0: 	const CPromptRequest& aRequest, const CPolicy& aPolicy, 
sl@0: 	RPointerArray<CFingerprint>& aFingerprints, const CClientEntity*& aClientEntity, 
sl@0: 	const TAny*& aDialogCreatorParams, TRequestStatus& aStatus)
sl@0: 	{
sl@0: 	iRequest = &aRequest;
sl@0: 	iPolicy = &aPolicy;
sl@0: 	iFingerprints = &aFingerprints;		
sl@0: 	iClientEntityPtr = &aClientEntity;	
sl@0: 	aDialogCreatorParams = 0;			
sl@0: 	
sl@0: 	iClientStatus = &aStatus;
sl@0: 	aStatus = KRequestPending;
sl@0: 	
sl@0: 	// Kick off policy evaluator state machine
sl@0: 	iStatus = KRequestPending;
sl@0: 	TRequestStatus* status = &iStatus;
sl@0: 	SetActive();
sl@0: 	User::RequestComplete(status, KErrNone);
sl@0: 	}
sl@0: 
sl@0: TBool CTestPolicyEvaluator::ForcePromptL(const CDecisionRecord& aDecision, TUint& aNewEvaluatorInfo)
sl@0: 	{
sl@0: 	(void) aDecision;
sl@0: 	aNewEvaluatorInfo = aDecision.iEvaluatorInfo + 10;
sl@0: 	return EFalse;
sl@0: 	}