cryptoservices/certificateandkeymgmt/x500/x500dn.cpp
changeset 0 2c201484c85f
child 8 35751d3474b7
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/cryptoservices/certificateandkeymgmt/x500/x500dn.cpp	Wed Jul 08 11:25:26 2009 +0100
@@ -0,0 +1,281 @@
+/*
+* Copyright (c) 1998-2009 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 <x500dn.h>
+#include <x520ava.h>
+#include "X500dec.h"
+#include <asn1enc.h>
+
+EXPORT_C CX500DistinguishedName* CX500DistinguishedName::NewL(const CArrayPtr<CX520AttributeTypeAndValue>& aElements)
+	{
+	CX500DistinguishedName* self = CX500DistinguishedName::NewLC(aElements);
+	CleanupStack::Pop();//self
+	return self;
+	}
+
+EXPORT_C CX500DistinguishedName* CX500DistinguishedName::NewLC(const CArrayPtr<CX520AttributeTypeAndValue>& aElements)
+	{
+	CX500DistinguishedName* self = new(ELeave) CX500DistinguishedName;
+	CleanupStack::PushL(self);
+	self->ConstructL(aElements);
+	return self;
+	}
+
+EXPORT_C CX500DistinguishedName* CX500DistinguishedName::NewL(const CX500DistinguishedName& aName)
+	{
+	CX500DistinguishedName* self = CX500DistinguishedName::NewLC(aName);
+	CleanupStack::Pop();//self
+	return self;
+	}
+
+EXPORT_C CX500DistinguishedName* CX500DistinguishedName::NewLC(const CX500DistinguishedName& aName)
+	{
+	CX500DistinguishedName* self = new(ELeave) CX500DistinguishedName;
+	CleanupStack::PushL(self);
+	self->ConstructL(static_cast<CArrayPtr<CX520AttributeTypeAndValue> &>(*(aName.iElements)));
+	return self;
+	}	
+
+EXPORT_C CX500DistinguishedName* CX500DistinguishedName::NewL(const TDesC8& aBinaryData)
+	{
+	TInt pos = 0;
+	return CX500DistinguishedName::NewL(aBinaryData, pos);
+	}
+
+EXPORT_C CX500DistinguishedName* CX500DistinguishedName::NewLC(const TDesC8& aBinaryData)
+	{
+	TInt pos = 0;
+	return CX500DistinguishedName::NewLC(aBinaryData, pos);
+	}
+
+EXPORT_C CX500DistinguishedName* CX500DistinguishedName::NewL(const TDesC8& aBinaryData, TInt& aPos)
+	{
+	CX500DistinguishedName* self = CX500DistinguishedName::NewLC(aBinaryData, aPos);
+	CleanupStack::Pop();
+	return self;
+	}
+
+EXPORT_C CX500DistinguishedName* CX500DistinguishedName::NewLC(const TDesC8& aBinaryData, TInt& aPos)
+	{
+	CX500DistinguishedName* self = new(ELeave) CX500DistinguishedName;
+	CleanupStack::PushL(self);
+	self->ConstructL(aBinaryData, aPos);
+	return self;
+	}
+
+
+EXPORT_C CX500DistinguishedName* CX500DistinguishedName::NewL(RReadStream& aStream)
+	{
+	CX500DistinguishedName* self = CX500DistinguishedName::NewLC(aStream);
+	CleanupStack::Pop();//self
+	return self;
+	}
+
+EXPORT_C CX500DistinguishedName* CX500DistinguishedName::NewLC(RReadStream& aStream)
+	{
+	CX500DistinguishedName* self = new(ELeave) CX500DistinguishedName;
+	CleanupStack::PushL(self);
+	self->ConstructL(aStream);
+	return self;
+	}
+
+CX500DistinguishedName::CX500DistinguishedName()
+	{
+	}
+
+void CX500DistinguishedName::ConstructL(const CArrayPtr<CX520AttributeTypeAndValue>& aElements)
+	{
+	iElements = new(ELeave) CArrayPtrFlat<CX520AttributeTypeAndValue>(1);
+	TInt count = aElements.Count();
+	for (TInt i=0;i < count; i++)
+		{
+		CX520AttributeTypeAndValue* ava = CX520AttributeTypeAndValue::NewLC(*(aElements[i]));
+		iElements->AppendL(ava);
+		CleanupStack::Pop();//ava
+		}
+	}
+
+void CX500DistinguishedName::ConstructL(RReadStream& aStream)
+	{
+	iElements = new(ELeave) CArrayPtrFlat<CX520AttributeTypeAndValue>(1);
+	InternalizeL(aStream);
+	}
+
+void CX500DistinguishedName::ConstructL(const TDesC8& aBinaryData, TInt& aPos)
+	{
+	TASN1DecGeneric dec(aBinaryData.Right(aBinaryData.Length() - aPos));
+	dec.InitL();
+	TInt end = aPos + dec.LengthDER();
+	aPos += dec.LengthDERHeader();
+
+	iElements = new(ELeave) CArrayPtrFlat<CX520AttributeTypeAndValue> (1);
+	if (dec.Tag() != EASN1Sequence)
+		{
+		User::Leave(KErrArgument);
+		}
+	while (aPos < end)
+		{
+		TASN1DecGeneric rdn(aBinaryData.Right(aBinaryData.Length() - aPos));
+		rdn.InitL();
+		if (rdn.Tag() != EASN1Set)
+			{
+			User::Leave(KErrArgument);
+			}
+		TInt rdnEnd = rdn.LengthDER();
+		TInt rdnPos = rdn.LengthDERHeader();//add on header
+		while (rdnPos < rdnEnd)
+			{
+			CX520AttributeTypeAndValue* ava = CX520AttributeTypeAndValue::NewLC(rdn.Encoding(), rdnPos);
+			iElements->AppendL(ava);
+			CleanupStack::Pop();//ava
+			}
+		aPos += rdnEnd;
+		}
+	if (aPos != end)
+		{
+		User::Leave(KErrArgument);
+		}
+	}
+
+
+EXPORT_C CX500DistinguishedName::~CX500DistinguishedName()
+	{
+	if (iElements != NULL)
+		{
+		iElements->ResetAndDestroy();
+		delete iElements;
+		}
+	}
+
+EXPORT_C TBool CX500DistinguishedName::ExactMatchL(const CX500DistinguishedName& aName) const
+	{
+	if (iElements->Count()!=aName.Count())
+		return EFalse;
+	return IsWithinSubtreeL(aName);
+	}
+
+EXPORT_C HBufC* CX500DistinguishedName::ExtractFieldL(const TDesC& aFieldName) const
+	{
+	TInt count = Count();
+	for (TInt i = 0; i < count; i++)
+		{
+		const CX520AttributeTypeAndValue& ava = Element(i);
+		if (ava.Type() == aFieldName)
+			{
+			return ava.ValueL();
+			}
+		}
+	return NULL;
+	}
+
+EXPORT_C HBufC* CX500DistinguishedName::DisplayNameL() const
+	{
+	HBufC* res = ExtractFieldL(KX520CommonName);
+	if (res == NULL)
+		{
+		res = ExtractFieldL(KX520OrganizationName);
+		if (res == NULL)
+			{
+			res = HBufC::NewL(0);
+			*res = KNullDesC;
+			}
+		}
+	return res;		
+	}
+
+EXPORT_C TBool CX500DistinguishedName::IsWithinSubtreeL(const CX500DistinguishedName& aName) const
+	{
+	TInt elementsCount = aName.Count();
+	for (TInt i = 0; i < elementsCount; ++i)
+		{
+		if (!MatchElementL(*(aName.iElements->At(i))))
+			return EFalse;	
+		}
+	return ETrue;
+	}
+
+EXPORT_C TBool CX500DistinguishedName::MatchElementL(const CX520AttributeTypeAndValue& aElement) const
+	{
+	TInt count = iElements->Count();
+	for (TInt i = 0; i < count; i++)
+		{
+		if (aElement.ExactMatchL(*iElements->At(i)))
+			return ETrue;
+		}
+	return EFalse;
+	}
+
+EXPORT_C TInt CX500DistinguishedName::Count() const
+	{
+	return iElements->Count();
+	}
+
+EXPORT_C const CX520AttributeTypeAndValue& CX500DistinguishedName::Element(TInt aIndex) const
+	{
+	return *(iElements->At(aIndex));
+	}
+
+EXPORT_C void CX500DistinguishedName::ExternalizeL(RWriteStream& aStream) const
+	{
+	TInt count = iElements->Count();
+	aStream.WriteInt32L(count);
+	for (TInt i = 0; i < count; i++)
+		{
+		CX520AttributeTypeAndValue* ava = iElements->At(i);
+		ava->ExternalizeL(aStream);
+		}
+	}
+
+void CX500DistinguishedName::InternalizeL(RReadStream& aStream)
+	{
+	TInt count = aStream.ReadInt32L();
+	for (TInt i = 0; i < count; i++)
+		{
+		CX520AttributeTypeAndValue* ava = CX520AttributeTypeAndValue::NewLC(aStream);
+		iElements->AppendL(ava);
+		CleanupStack::Pop();
+		}
+	}
+
+EXPORT_C CASN1EncSequence* CX500DistinguishedName::EncodeASN1LC() const
+	{
+	CASN1EncSequence* nameSeq = CASN1EncSequence::NewLC();
+	TInt numEntries = Count();
+	for(TInt i = 0; i < numEntries; i++)
+		{
+		// Each attribute pair has to be enclosed in a SET-OF 
+		// and SEQUENCE-OF
+		CASN1EncSequence* set = CASN1EncSequence::NewLC();
+		// This conversion of a sequence into a set presumably 
+		// works if the set is going to contain just one child 
+		// item, because otherwise order of child items in a 
+		// SET-OF becomes important.
+		set->SetTag(EASN1Set, EUniversal);
+		CASN1EncSequence* attr = Element(i).EncodeASN1LC();
+		set->AddAndPopChildL(attr);
+		nameSeq->AddAndPopChildL(set);
+		}
+	return nameSeq;
+	}
+
+EXPORT_C CASN1EncSequence* CX500DistinguishedName::EncodeASN1L() const
+	{
+	CASN1EncSequence* nameSeq = EncodeASN1LC();
+	CleanupStack::Pop(nameSeq);
+	return nameSeq;
+	}