--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/email/mail/UtilsSrc/MsgMailDRMHandler.cpp	Thu Dec 17 08:44:11 2009 +0200
@@ -0,0 +1,229 @@
+/*
+* 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: 
+*     Utility class for resolving DRM protection.
+*
+*/
+
+
+// INCLUDE FILES
+#include "MsgMailDRMHandler.h"
+
+#include <e32base.h>
+#include <DRMHelper.h>
+#include <caf/data.h>
+#include <MsgAttachmentInfo.h>
+#include <MsgAttachmentModel.h>
+#include <caf/caf.h>
+#include "MailLog.h"
+
+// LOCAL CONSTANTS AND MACROS
+
+
+// ================= MEMBER FUNCTIONS =======================
+
+// C++ default constructor cannot contain any code that might leave
+MsgMailDRMHandler::MsgMailDRMHandler()
+    {
+    }
+
+// -----------------------------------------------------------------------------
+// CMsgMailEditorAppUi::FileSize()
+// -----------------------------------------------------------------------------
+//
+void MsgMailDRMHandler::ConstructL()
+    {
+    iDRMHelper = CDRMHelper::NewL();
+    }
+
+// Symbian OS default constructor can leave.
+EXPORT_C MsgMailDRMHandler* MsgMailDRMHandler::NewL()
+    {
+    MsgMailDRMHandler* self = new (ELeave) MsgMailDRMHandler();
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    CleanupStack::Pop();// self
+    return self;
+    }
+    
+// Destructor
+EXPORT_C MsgMailDRMHandler::~MsgMailDRMHandler()
+    {
+    delete iDRMHelper;
+    }
+
+// -----------------------------------------------------------------------------
+// MsgMailDRMHandler::IsForwardLockedFileL()
+// -----------------------------------------------------------------------------
+//  
+EXPORT_C TBool MsgMailDRMHandler::IsForwardLockedFileL ( 
+    RFile& aFileHandle )
+    {
+    
+    TBool isForwardable;
+    TBool valid;
+    TBool drmProtected;
+    GetFileInfoL ( aFileHandle, isForwardable, valid, drmProtected);
+    
+    
+    if(drmProtected)
+        {
+        return !isForwardable;    
+        }
+    else
+        {
+        //No drm protection, so can't be forward locked.
+        return EFalse;
+        }
+    
+    }
+    
+// -----------------------------------------------------------------------------
+// MsgMailDRMHandler::IsSeparateDeliveryFileL()
+// -----------------------------------------------------------------------------
+//  
+EXPORT_C TBool MsgMailDRMHandler::IsSuperDistributableFileL ( 
+    RFile& aFileHandle )
+    {
+    
+    TBool isForwardable;
+    TBool valid;
+    TBool drmProtected;
+    
+    GetFileInfoL ( aFileHandle, isForwardable, valid, drmProtected);
+
+    if(drmProtected)
+        {
+        return isForwardable;    
+        }
+    else
+        {
+        //No drm protection, so can't be super distributable.
+        return EFalse;
+        }
+    } 
+
+// -----------------------------------------------------------------------------
+// MsgMailDRMHandler::SetDRMDataTypeL()
+// -----------------------------------------------------------------------------
+//  
+EXPORT_C void MsgMailDRMHandler::SetDRMDataTypeL ( 
+    CMsgAttachmentInfo& aAttachmentInfo, RFile& aFileHandle )
+    {
+    LOG(">MsgMailDRMHandler::SetDRMDataTypeL");
+    TBool isForwardable;
+    TBool valid;
+    TBool drmProtected;
+
+    GetFileInfoL ( aFileHandle, isForwardable, valid, drmProtected);
+   
+    if ( drmProtected && isForwardable )
+        {
+        LOG("MsgMailDRMHandler::SetDRMDataTypeL - drm protected");        
+        CMsgAttachmentInfo::TDRMDataType drmType = valid ? 
+            CMsgAttachmentInfo::ESeparateDeliveryValidRights : 
+            CMsgAttachmentInfo::ESeparateDeliveryInvalidRights;
+            
+        aAttachmentInfo.SetDRMDataType( drmType );
+        }
+    else if( drmProtected && !isForwardable )
+        {
+        LOG("MsgMailDRMHandler::SetDRMDataTypeL - forward locked");
+        aAttachmentInfo.SetDRMDataType( 
+            CMsgAttachmentInfo::EForwardLockedOrCombinedDelivery );            
+        }
+    LOG("<MsgMailDRMHandler::SetDRMDataTypeL");
+    }
+
+// -----------------------------------------------------------------------------
+// MsgMailDRMHandler::GetDRMDataTypeL()
+// -----------------------------------------------------------------------------
+// 
+EXPORT_C CMsgAttachmentInfo::TDRMDataType MsgMailDRMHandler::GetDRMDataTypeL( 
+    RFile aFileHandle )
+    {
+    
+    TBool isForwardable;
+    TBool valid;
+    TBool drmProtected;
+    
+    GetFileInfoL ( aFileHandle, isForwardable, valid, drmProtected);
+    
+    CMsgAttachmentInfo::TDRMDataType drmType(
+        CMsgAttachmentInfo::ENoLimitations );
+    
+    if ( drmProtected && isForwardable )
+        {
+        drmType = valid ? 
+            CMsgAttachmentInfo::ESeparateDeliveryValidRights : 
+            CMsgAttachmentInfo::ESeparateDeliveryInvalidRights;
+        }
+    else if(drmProtected && !isForwardable)
+        {
+        drmType = CMsgAttachmentInfo::EForwardLockedOrCombinedDelivery;
+        }
+    return drmType;     
+    }
+    
+// -----------------------------------------------------------------------------
+// MsgMailDRMHandler::GetFileInfo()
+// -----------------------------------------------------------------------------
+//  
+void MsgMailDRMHandler::GetFileInfoL ( RFile& aFileHandle, 
+    TBool& aIsForwardable, TBool& aValidRights, TBool& aProtection)
+    {
+    LOG(">MsgMailDRMHandler::GetFileInfoL");
+    aProtection = EFalse;
+    
+    //These two are only valid if file is drm protected.
+    aValidRights = EFalse;
+    aIsForwardable = EFalse;
+    
+    LOG("MsgMailDRMHandler::GetFileInfoL - CContent");
+    CContent* content = CContent::NewLC(aFileHandle);
+    
+    TInt isDRMProtected = 0;
+    
+    //Check if file is drm protected. If not no need for further checks.
+    LOG("MsgMailDRMHandler::GetFileInfoL - CContent::GetAttribute protected");
+    User::LeaveIfError(content->GetAttribute(EIsProtected, isDRMProtected));
+    
+    if (isDRMProtected)
+        {
+        aProtection = ETrue;
+        
+        //Check if forwardable or superdistributable.
+        TInt isForwardable;
+        LOG("MsgMailDRMHandler::GetFileInfoL - CContent::GetAttribute forwardable");
+        User::LeaveIfError(content->GetAttribute(EIsForwardable, isForwardable));
+        
+        aIsForwardable = isForwardable;
+        
+        CData* data = NULL;
+  
+        // In the case of invalid rights, CData::NewLC will leave with KErrCANoRights,
+        // KErrCANoPermission, or KErrCAPendingRights
+        TRAPD(rightscheck, data = CData::NewL( aFileHandle, KDefaultContentObject, EUnknown ));
+        
+        if(rightscheck == KErrNone)
+            {
+            aValidRights = ETrue;
+            delete data;
+            }
+        }
+    CleanupStack::PopAndDestroy(content);
+    LOG("<MsgMailDRMHandler::GetFileInfoL");
+    }
+
+//  End of File