/*

* Copyright (c) 2003-2009 Nokia Corporation and/or its subsidiary(-ies).

* All rights reserved.

* This component and the accompanying materials are made available

* under the terms of the License "Eclipse Public License v1.0"

* which accompanies this distribution, and is available

* at the URL "http://www.eclipse.org/legal/epl-v10.html".

*

* Initial Contributors:

* Nokia Corporation - initial contribution.

*

* Contributors:

*

* Description: 

*

*/

#include "CCertAppsConduit.h"

#include "CFSCertAppsServer.h"

#include <certificateapps.h>

#include "fstokencliserv.h"

#include "fstokenutil.h"

#include "fsmarshaller.h"

_LIT_SECURITY_POLICY_C1(KAddRemovePolicy, ECapabilityWriteDeviceData);

CCertAppsConduit* CCertAppsConduit::NewL(CFSCertAppsServer& aServer)

	{

	CCertAppsConduit* self = new (ELeave) CCertAppsConduit(aServer);

	CleanupStack::PushL(self);

	self->ConstructL();

	CleanupStack::Pop(self);

	return self;

	}

CCertAppsConduit::CCertAppsConduit(CFSCertAppsServer& aServer) :

	iServer(aServer)

	{

	}

void CCertAppsConduit::ConstructL()

	{

	}

CCertAppsConduit::~CCertAppsConduit()

	{

	}

void CCertAppsConduit::ServiceCertAppsRequestL(const RMessage2& aMessage)

	{

	switch(aMessage.Function())

		{

		case EAddApp:

			AddL(aMessage);

			break;

		case ERemoveApp:

			RemoveL(aMessage);

			break;

		case EGetAppCount:

			ApplicationCountL(aMessage);

			break;

		case EGetApps:

			ApplicationsL(aMessage);

			break;

		case EGetApplication:

			ApplicationL(aMessage);

			break;

		default:

			// Client made an illegal request

			PanicClient(aMessage, EPanicInvalidRequest);

		}

	aMessage.Complete(KErrNone);

	}

void CCertAppsConduit::AddL(const RMessage2& aMessage) const

	{

	// Add message is composed of the following structure

	// Parameter 1 - TPckg<TCertificateAppInfo>

	// Check the calling process has the correct capabilities

	if (!KAddRemovePolicy.CheckPolicy(aMessage))

		{

		User::Leave(KErrPermissionDenied);

		}

	TCertificateAppInfo appInfo;

	TPckg<TCertificateAppInfo> pckg(appInfo);

	aMessage.ReadL(1, pckg);

	// Now that we have extracted the appInfo, we can call the

	// real server

	iServer.AddL(appInfo);

	}

void CCertAppsConduit::RemoveL(const RMessage2& aMessage) const

	{

	// Remove message is composed of a single TPckg<TUid>

	// Check the calling process has the correct capabilities

	if (!KAddRemovePolicy.CheckPolicy(aMessage))

		{

		User::Leave(KErrPermissionDenied);

		}

	TUid uid;

	TPckg<TUid> pckg(uid);

	aMessage.ReadL(1, pckg);

	iServer.RemoveL(uid);

	}

void CCertAppsConduit::ApplicationCountL(const RMessage2& aMessage) const

	{

	// This message contains a single output descriptor of type

	// TPckg<TInt>

	TInt appCount = iServer.ApplicationCountL();

	aMessage.WriteL(1, TPckg<TInt>(appCount));

	}

void CCertAppsConduit::ApplicationsL(const RMessage2& aMessage) const

	{

	// This message contains the following parameters:

	// Param1: [IN] TInt - maximum buffer length allowed

	// Param2: [OUT] TDes8 - The buffer to write into; if buffer size too

	//               small then will return KErrOverflow with param 2 being 

	//               required size

	// Firstly, the maximum allowable length of the buffer

	// now get the array to be transmitted

	RArray<TCertificateAppInfo> arr;

	CleanupClosePushL(arr);

	// retrieve the array and marshall them into the message

	iServer.ApplicationsL(arr);

	TInt reqdSize = TokenDataMarshaller::Size(arr);

	TInt bufLen = User::LeaveIfError(aMessage.GetDesLength(2));

	if (reqdSize <= bufLen)

		{

		HBufC8* buf = HBufC8::NewMaxLC(reqdSize);

		TPtr8 ptr(buf->Des());

		TokenDataMarshaller::Write(arr, ptr);

		aMessage.WriteL(2, ptr);

		CleanupStack::PopAndDestroy(buf);

		}

	else

		{

		aMessage.WriteL(2, TPckg<TInt>(reqdSize));

		User::Leave(KErrOverflow);

		}

	CleanupStack::PopAndDestroy(&arr);

	}

void CCertAppsConduit::ApplicationL(const RMessage2& aMessage) const

	{

	// The parameters for the ApplicationL function are as follows:

	// Param1: [IN] TUid - The Uid of the app to retrieve

	// Param2: [OUT] TCertificateAppInfo - The app info returned

	// Read the UID first

	TUid uid;

	TPckg<TUid> pckgUid(uid);

	aMessage.ReadL(1, pckgUid);

	// Now call the server

	TCertificateAppInfo appInfo;

	iServer.ApplicationL(uid, appInfo);

	// Now wrap the returned parameters into packages

	aMessage.WriteL(2, TPckg<TCertificateAppInfo>(appInfo));

	}