--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cms/src/CCMSAttribute.cpp	Tue Jan 26 15:20:08 2010 +0200
@@ -0,0 +1,347 @@
+/*
+* Copyright (c) 2002 Nokia Corporation and/or its subsidiary(-ies). 
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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 FILES
+#include    "CCMSAttribute.h"
+#include "TCMSTimeUtil.h"
+#include <x500dn.h>
+#include <asn1dec.h>
+#include <asn1enc.h>
+
+// CONSTANTS
+const TInt KMaxNumberOfSubModules = 3;
+const TInt KMinNumberOfSubModules = 2;
+const TInt KDefaultGranularity = 1;
+
+// CMS SignedAttributes useful types
+_LIT( KContentTypeOID, "1.2.840.113549.1.9.3" );
+_LIT( KMessageDigestOID, "1.2.840.113549.1.9.4" );
+_LIT( KSignTimeOID, "1.2.840.113549.1.9.5" );
+
+// ============================= LOCAL FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CMSCreateEncoderLC Creates an encoder based on the gived OID value.
+// Returns: Encoder for the given encoding
+// -----------------------------------------------------------------------------
+//
+CASN1EncBase* CMSCreateEncoderLC( const TDesC& aAttributeType, const TDesC8& aEncoding )
+    {
+    CASN1EncBase* retVal = NULL;
+    if( aAttributeType == KContentTypeOID )
+        {
+        // encoding data, have to decode it before encoding it again
+        // because CASN1EncEncoding changes TagType to Constructed
+        TASN1DecObjectIdentifier dataDec;
+        TInt pos = 0;
+        HBufC* data = dataDec.DecodeDERL( aEncoding, pos );
+        CleanupStack::PushL( data );
+        retVal = CASN1EncObjectIdentifier::NewL( *data );
+        CleanupStack::PopAndDestroy( data );
+        CleanupStack::PushL( retVal );
+        }
+    else if( aAttributeType == KMessageDigestOID )
+        {
+        TASN1DecOctetString dataDec;
+        TInt pos = 0;
+        HBufC8* data = dataDec.DecodeDERL( aEncoding, pos );
+        CleanupStack::PushL( data );
+        retVal = CASN1EncOctetString::NewL( *data );
+        CleanupStack::PopAndDestroy( data );
+        CleanupStack::PushL( retVal );
+        }
+    else if( aAttributeType == KSignTimeOID )
+        {
+        TTime time = TCMSTimeUtil::ConvertToTimeL( aEncoding );
+        retVal = TCMSTimeUtil::ConvertToEncoderLC( time );
+        }
+    else
+        {
+        // default is to wrap inside encencoder
+        retVal = CASN1EncEncoding::NewLC( aEncoding );
+        }
+    return retVal;
+    }
+
+// ============================ MEMBER FUNCTIONS ===============================
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::CCMSAttribute
+// C++ default constructor can NOT contain any code, that
+// might leave.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSAttribute::CCMSAttribute()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CCMSAttribute::ConstructL()
+    {
+	// creating with empty values
+	iAttributeType = KNullDesC().AllocL();
+
+	iAttributeValues =
+		new(ELeave) CDesC8ArrayFlat( KDefaultGranularity );
+    }
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CCMSAttribute::ConstructL(
+	const TDesC& aAttributeType,
+	const CDesC8Array& aAttributeValues )
+    {
+	SetAttributeTypeL( aAttributeType );
+	SetAttributeValuesL( aAttributeValues );
+    }
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::ConstructL
+// Symbian 2nd phase constructor can leave.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C void CCMSAttribute::ConstructL(
+	const TDesC& aAttributeType,
+	const TDesC8& aAttributeValue )
+    {
+	SetAttributeTypeL( aAttributeType );
+	iAttributeValues =
+		new(ELeave) CDesC8ArrayFlat( KDefaultGranularity );
+	iAttributeValues->AppendL( aAttributeValue );
+    }
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSAttribute* CCMSAttribute::NewLC()
+	{
+	CCMSAttribute* self = new( ELeave ) CCMSAttribute();
+    CleanupStack::PushL( self );
+    self->ConstructL();
+    return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSAttribute* CCMSAttribute::NewL()
+	{
+	CCMSAttribute* self = NewLC();
+    CleanupStack::Pop( self );
+    return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSAttribute* CCMSAttribute::NewL(
+	const TDesC& aAttributeType,
+	const CDesC8Array& aAttributeValues )
+	{
+	CCMSAttribute* self = NewLC( aAttributeType, aAttributeValues );
+	CleanupStack::Pop( self );
+    return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSAttribute* CCMSAttribute::NewLC(
+	const TDesC& aAttributeType,
+	const CDesC8Array& aAttributeValues )
+    {
+    CCMSAttribute* self = new( ELeave ) CCMSAttribute();
+    CleanupStack::PushL( self );
+    self->ConstructL( aAttributeType, aAttributeValues );
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::NewLC
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSAttribute* CCMSAttribute::NewLC(
+	const TDesC& aAttributeType,
+	const TDesC8& aAttributeValue )
+	{
+	CCMSAttribute* self = new( ELeave ) CCMSAttribute();
+	CleanupStack::PushL( self );
+	self->ConstructL( aAttributeType, aAttributeValue );
+    return self;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::NewL
+// Two-phased constructor.
+// -----------------------------------------------------------------------------
+//
+EXPORT_C CCMSAttribute* CCMSAttribute::NewL(
+	const TDesC& aAttributeType,
+	const TDesC8& aAttributeValue )
+	{
+	CCMSAttribute* self = NewLC( aAttributeType, aAttributeValue );
+	CleanupStack::Pop( self );
+    return self;
+	}
+
+// Destructor
+CCMSAttribute::~CCMSAttribute()
+    {
+	delete iAttributeType;
+	delete iAttributeValues;
+    }
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::DecodeL
+// Decrypts raw data to this instance
+// -----------------------------------------------------------------------------
+void CCMSAttribute::DecodeL( const TDesC8& aRawData )
+	{
+	CArrayPtr<TASN1DecGeneric>* itemsData =
+        DecodeSequenceLC( aRawData,
+                          KMinNumberOfSubModules,
+                          KMaxNumberOfSubModules );
+	// we would not get this far if there is not 2 or 3 elements
+	// decoding attribute type
+	TASN1DecObjectIdentifier decOid;
+	HBufC* oid = decOid.DecodeDERL( *itemsData->At( 0 ) );
+	delete iAttributeType;
+	iAttributeType = oid;
+
+	// deocoding attribute values
+	TASN1DecSet decSet;
+	CArrayPtrFlat<TASN1DecGeneric>* attValues =
+					decSet.DecodeDERLC( *itemsData->At( 1 ) );
+	TInt numOfAttValues = attValues->Count();
+	CDesC8ArrayFlat* tmpArray = new( ELeave ) CDesC8ArrayFlat( numOfAttValues );
+	CleanupStack::PushL( tmpArray );
+	for( TInt i = 0; i < numOfAttValues; i++ )
+		{
+		tmpArray->AppendL( attValues->At( i )->Encoding() );
+		}
+	delete iAttributeValues;
+	iAttributeValues = tmpArray;
+	// compress to get rid of possible unneccessary slots
+	iAttributeValues->Compress();
+
+    // possible context values are ignored
+
+	CleanupStack::Pop( tmpArray );
+	CleanupStack::PopAndDestroy( attValues );
+	CleanupStack::PopAndDestroy( itemsData );
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::EncoderLC
+// Returns ASN1 encoder for this instance
+// -----------------------------------------------------------------------------
+
+CASN1EncBase* CCMSAttribute::EncoderLC() const
+	{
+	CASN1EncSequence* root = CASN1EncSequence::NewLC();
+
+	// add attribute type
+	CASN1EncObjectIdentifier* oid = CASN1EncObjectIdentifier::NewLC( *iAttributeType );
+	root->AddAndPopChildL( oid );
+
+	// add attribute values
+	CASN1EncSequence* values = CASN1EncSequence::NewLC();
+
+	// change tag to SET
+	values->SetTag( EASN1Set, EUniversal );
+
+	TInt numOfValues = iAttributeValues->Count();
+	for( TInt i = 0; i < numOfValues; i++ )
+		{
+        CASN1EncBase* enc = CMSCreateEncoderLC( *iAttributeType, ( *iAttributeValues )[ i ] );
+		values->AddAndPopChildL( enc );
+		}
+
+	root->AddAndPopChildL( values );
+	return root;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::AttributeType
+// Getter for attribute type
+// -----------------------------------------------------------------------------
+EXPORT_C const TDesC& CCMSAttribute::AttributeType() const
+	{
+	return *iAttributeType;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::AttributeValues
+// Getter for attribute values
+// -----------------------------------------------------------------------------
+EXPORT_C const CDesC8Array& CCMSAttribute::AttributeValues() const
+	{
+	return *iAttributeValues;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::SetAttributeTypeL
+// Setter for attribute type, takes copy
+// -----------------------------------------------------------------------------
+EXPORT_C void CCMSAttribute::SetAttributeTypeL( const TDesC& aAttributeType )
+	{
+	HBufC* tmp = aAttributeType.AllocL();
+	delete iAttributeType;
+	iAttributeType = tmp;
+	}
+
+// -----------------------------------------------------------------------------
+// CCMSAttribute::SetAttributeTypeL
+// Setter for attribute values, takes copy
+// -----------------------------------------------------------------------------
+EXPORT_C void CCMSAttribute::SetAttributeValuesL(
+	const CDesC8Array& aAttributeValues )
+	{
+	TInt numOfValues = aAttributeValues.Count();
+	// Making 1 extra slot
+	CDesC8ArrayFlat* tmp = new(ELeave) CDesC8ArrayFlat( numOfValues + 1 );
+	CleanupStack::PushL( tmp );
+	for( TInt i = 0; i < numOfValues; i++ )
+		{
+		tmp->AppendL( aAttributeValues[ i ] );
+		}
+
+	// Compressing
+	tmp->Compress();
+	CleanupStack::Pop( tmp );
+	delete iAttributeValues;
+	iAttributeValues = tmp;
+	}
+
+//  End of File