commondrm/drmutility/src/DrmUtility.cpp
author Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
Thu, 17 Dec 2009 08:52:27 +0200
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/*
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* Copyright (c) 2006-2009 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:  DRM Utility
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*
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*/
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// INCLUDE FILES
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#include <Oma2Dcf.h>
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#include <drmagents.h>
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#include <drmutility.h>
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#include <centralrepository.h>
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#include <UTF.h>
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#include "Oma1Dcf.h"
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#include "DrmUtilityInternalcrkeys.h"      // Cenrep extension for OmaBased
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// CONSTANTS
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_LIT8( KASFHeaderObject, "75B22630668E11CFA6D900AA0062CE6C" );
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_LIT8( KWrmHeader, "W\0R\0M\0H\0E\0A\0D\0E\0R\0" );
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const TInt KMinContentLength( 16 );
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const TInt KOma2EncryptionFieldOffset( 8 );
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const TInt KOmaHeaderLength( 512 );
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// This constant is for OMA1 case in which a buffer of 35-40
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// bytes is needed to recognize the mime type.
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const TInt KMinContentLengthOma1Based( 40 );
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const TInt KWMHeaderObjectLength( 8 );
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const TInt KWMTopLevelHeaderObjectLength( 30 );
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const TInt KMaxWMHeaderLength( ( KMaxTInt32 / 2 ) - 1 );
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const TInt KCenRepDataLength( 50 );
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// ============================ LOCAL FUNCTIONS ================================
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// -----------------------------------------------------------------------------
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// FormatGUID
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// -----------------------------------------------------------------------------
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//
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LOCAL_C void FormatGUID( TDes8 &aGUID )
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    {
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    TBuf8<16> copyGUID( aGUID );
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    TInt i( 0 );
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    for ( i = 0; i < 4; i++ )
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        {
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        copyGUID[i] = aGUID[3-i];
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        }
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    for ( i = 4; i < 6; i++ )
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        {
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        copyGUID[i] = aGUID[9 - i];
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        }
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    for ( i = 6; i < 8; i++ )
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        {
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        copyGUID[i] = aGUID[13 - i];
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        }
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    for ( i = 8; i < 16 ; i++) 
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        {
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        copyGUID[i] = aGUID[i];
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        }
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    aGUID.Delete( 0, 32 );
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    for ( i = 0; i < 16; i++ )
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        {
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        aGUID.AppendNumFixedWidthUC( copyGUID[i], EHex, 2 );
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        }
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    }
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// -----------------------------------------------------------------------------
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// ConvertToInt64
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// -----------------------------------------------------------------------------
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//
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LOCAL_C TInt64 ConvertToInt64( TDesC8& aDes )
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    {
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    TInt64 num( 0 );
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    TInt i( 0 );
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    for ( i = 7 ; i >= 0; i-- )
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        {
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        num <<= 8;
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        num |= aDes[i];
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        }
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    return num;
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    }
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// ============================ MEMBER FUNCTIONS ===============================
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// -----------------------------------------------------------------------------
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// Default constructor
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// -----------------------------------------------------------------------------
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//  
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DRM::CDrmUtility::CDrmUtility()
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    {
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    }
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// -----------------------------------------------------------------------------
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// Destructor
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// -----------------------------------------------------------------------------
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//  
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DRM::CDrmUtility::~CDrmUtility()
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    {
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    delete iOmaBasedAgentName;
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    delete iOmaBasedMimeType;
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    }
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// -----------------------------------------------------------------------------
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// CDrmUtility::NewLC
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// First phase constructor
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// -----------------------------------------------------------------------------
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//  
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EXPORT_C DRM::CDrmUtility* DRM::CDrmUtility::NewLC()
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    {
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    DRM::CDrmUtility* self( new( ELeave ) CDrmUtility );
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    CleanupStack::PushL( self );
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    self->ConstructL();
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    return self;
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    }
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// -----------------------------------------------------------------------------
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// CDrmUtility::NewL
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// First phase constructor
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// -----------------------------------------------------------------------------
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//  
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EXPORT_C DRM::CDrmUtility* DRM::CDrmUtility::NewL()
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    {
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    DRM::CDrmUtility* self( NewLC() );
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    CleanupStack::Pop();
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    return self;
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    }
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void DRM::CDrmUtility::ConstructL()
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    {
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    TInt err( KErrNone );
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     TRAP(err, FetchOmaBasedInfoL() );
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     if( err)
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         {
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         if( iOmaBasedAgentName )
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             {
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             delete iOmaBasedAgentName;
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             }
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         iOmaBasedAgentName = NULL;
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         if( iOmaBasedMimeType )
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             {
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             delete iOmaBasedMimeType;
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             }
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         iOmaBasedMimeType = NULL;
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         }   
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    }
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// -----------------------------------------------------------------------------
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// CDrmUtility::FetchOmaBasedInfoL
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// -----------------------------------------------------------------------------
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//
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void DRM::CDrmUtility::FetchOmaBasedInfoL()
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    {
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    TInt err = KErrNone;
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    CRepository* repository( NULL );
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    RBuf bOmaBasedAgentName;
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    RBuf bOmaBasedMimeType;
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    CleanupClosePushL(bOmaBasedAgentName);
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    CleanupClosePushL(bOmaBasedMimeType);
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    bOmaBasedAgentName.CreateL( KCenRepDataLength );
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    bOmaBasedMimeType.CreateL( KCenRepDataLength );
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   175
 
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    TRAP( err, repository = CRepository::NewL( KCRUidOmaBased ) );
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    if ( !err )
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        {
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        CleanupStack::PushL( repository );
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        err = repository->Get( KDrmOmaBasedName, bOmaBasedAgentName );
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        if( !err )
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            {
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            iOmaBasedAgentName = bOmaBasedAgentName.AllocL(); 
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            }
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        err = repository->Get( KOmaBasedMimeType, bOmaBasedMimeType );
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        if( !err )
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            {
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            iOmaBasedMimeType = CnvUtfConverter::ConvertFromUnicodeToUtf8L( bOmaBasedMimeType );
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            }
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        CleanupStack::PopAndDestroy( repository );
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        }
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    CleanupStack::PopAndDestroy(2);
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    User::LeaveIfError( err );
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    }
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// -----------------------------------------------------------------------------
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// CDrmUtility::GetDrmInfoL
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// -----------------------------------------------------------------------------
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//  
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EXPORT_C TBool DRM::CDrmUtility::GetDrmInfoL( 
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    RFile& aFileHandle,
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    TPtrC& aAgent,
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    DRM::TDrmProtectionStatus& aProtected ) const
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    {
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    TInt r( KErrNone );
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    HBufC8* buffer( NULL );
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    TInt pos( 0 );
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    RFile file;
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    TBuf8< 32 > header;
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    TInt64 headerSize( 0 );
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    TBool isDrmFile( EFalse );
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    TPtr8 headerPtr( NULL, 0 );
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    aProtected = DRM::EUUnprotected;
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    aAgent.Set( KNullDesC );
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   221
    
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    CheckFileHandleL( aFileHandle );
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    User::LeaveIfError( file.Duplicate( aFileHandle ) );
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    CleanupClosePushL( file );
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   225
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    User::LeaveIfError( file.Seek( ESeekStart, pos ) );
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    // Check if the file is an ASF file
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    // To be Checked on runtime wether WM DRM is supporeted or not
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    User::LeaveIfError( file.Read( 0, header, KMinContentLength ) );
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   231
    if ( header.Length() < KMinContentLength )
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   232
        {
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parents:
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   233
        User::Leave( KErrArgument ); 
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parents:
diff changeset
   234
        }    
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parents:
diff changeset
   235
        
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parents:
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   236
    FormatGUID( header );
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parents:
diff changeset
   237
    
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   238
    if ( header == KASFHeaderObject )
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parents:
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   239
        {
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parents:
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   240
        // It's ASF, check still whether it's WM DRM protected or not
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parents:
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   241
        file.Read( header, KWMHeaderObjectLength );
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parents:
diff changeset
   242
        headerSize = ConvertToInt64( header );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   243
        if( headerSize <= KWMTopLevelHeaderObjectLength || 
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parents:
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   244
            headerSize > KMaxWMHeaderLength )
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parents:
diff changeset
   245
            {
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parents:
diff changeset
   246
            User::Leave( KErrArgument );
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parents:
diff changeset
   247
            }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   248
        buffer = HBufC8::NewLC( headerSize );
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parents:
diff changeset
   249
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
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   250
        headerPtr.Set( buffer->Des() ); 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   251
        User::LeaveIfError( file.Read( headerPtr, 
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   252
                headerSize - ( KMinContentLength + KWMHeaderObjectLength ) ) );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   253
    
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   254
        r = headerPtr.Find( KWrmHeader );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   255
        if ( r == KErrNotFound ) 
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parents:
diff changeset
   256
            {
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parents:
diff changeset
   257
            aProtected = DRM::EUUnprotected;
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parents:
diff changeset
   258
            }
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parents:
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   259
        else
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parents:
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   260
            {
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parents:
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   261
            isDrmFile = ETrue;
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parents:
diff changeset
   262
            aProtected = DRM::EUProtected;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   263
            aAgent.Set( DRM::KDrmWMAgentName );                            
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   264
            }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   265
        CleanupStack::PopAndDestroy( buffer ); // buffer    
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   266
        }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   267
    else
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   268
        {
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   269
        // Check whether it's OMA DRM protected or not
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parents:
diff changeset
   270
        buffer = HBufC8::NewLC( KOmaHeaderLength );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   271
        
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   272
        headerPtr.Set( buffer->Des() );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   273
        User::LeaveIfError( file.Read( 0, headerPtr ));
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parents:
diff changeset
   274
        
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   275
        if ( COma1Dcf::IsValidDcf( headerPtr ) )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   276
            {
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parents:
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   277
            isDrmFile = ETrue;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   278
            aProtected = DRM::EUProtected;                             
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   279
            aAgent.Set( DRM::KDrmOmaAgentName );                
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parents:
diff changeset
   280
            }
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   281
        else if ( COma2Dcf::IsValidDcf( headerPtr ) )
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   282
            {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   283
            isDrmFile = ETrue;
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   284
            _LIT8( KCommonHeadersBox, "ohdr" );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   285
            pos = headerPtr.Find( KCommonHeadersBox );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   286
            
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   287
            // If no box can be found or if there isn't enough data
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   288
            // set protection as unknown
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   289
            if( pos == KErrNotFound || 
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   290
                headerPtr.Length() < pos + KOma2EncryptionFieldOffset )
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   291
                {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   292
                aProtected = DRM::EUUnknown;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   293
                }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   294
            // If encryption field is 0, then content isn't protected
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   295
            else if ( !headerPtr[pos + KOma2EncryptionFieldOffset] )
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   296
                {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   297
                aProtected = DRM::EUUnprotected;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   298
                }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   299
            else
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   300
                {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   301
                aProtected = DRM::EUProtected;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   302
                }                  
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   303
            aAgent.Set( DRM::KDrmOmaAgentName );                
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   304
            }   
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   305
        else if ( (buffer->Des())[0] == 1)
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   306
            {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   307
            // set the mimetype from the buffer which is in the beginning
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   308
            // starting from byte 3 with the length specified at position 2		
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   309
            TPtrC8 mimeType( buffer->Des().Mid(3, (buffer->Des())[1]) );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   310
            if( !mimeType.CompareF( *iOmaBasedMimeType ) ) 
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   311
                {	
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   312
                aAgent.Set( *DRM::CDrmUtility::iOmaBasedAgentName );
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Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   313
                isDrmFile = ETrue;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   314
                }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   315
            }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   316
        CleanupStack::PopAndDestroy( buffer );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   317
        }  
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   318
    CleanupStack::PopAndDestroy( &file ); // file
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   319
    return isDrmFile;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   320
    }  
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   321
  
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   322
// -----------------------------------------------------------------------------
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   323
// CDrmUtility::GetDrmInfoL
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   324
// -----------------------------------------------------------------------------
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   325
//  
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   326
EXPORT_C TBool DRM::CDrmUtility::GetDrmInfoL( 
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   327
    const TDesC8& aContent,
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   328
    TPtrC& aAgent,
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   329
    DRM::TDrmProtectionStatus& aProtected ) const
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   330
    {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   331
    TInt r( KErrNone );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   332
    RFile file;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   333
    TPtr8 asfPtr( NULL, 0 );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   334
    TBuf8< 32 > asfGuidHex;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   335
    TBool isDrmFile( EFalse );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   336
    
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   337
    aProtected = DRM::EUUnprotected;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   338
    aAgent.Set( KNullDesC );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   339
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   340
    if ( aContent.Length() < KMinContentLength )
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   341
        {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   342
        User::Leave( KErrArgument );   
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   343
        }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   344
        
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   345
    // Check if the file is an ASF file
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   346
    asfPtr.Set( 
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   347
        const_cast<TUint8*>( asfGuidHex.Ptr() ), 0, KMinContentLength * 2 );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   348
    asfPtr.Copy( aContent.Left( KMinContentLength ) );    
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   349
    FormatGUID( asfPtr );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   350
    
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   351
    if ( asfPtr == KASFHeaderObject )
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   352
        {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   353
        // It's ASF, check still whether it's WM DRM protected or not
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   354
        r = aContent.Find( KWrmHeader );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   355
        if ( r == KErrNotFound ) 
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   356
            {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   357
            aProtected = DRM::EUUnprotected;   
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   358
            }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   359
        else
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   360
            {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   361
            isDrmFile = ETrue;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   362
            aProtected = DRM::EUProtected;                               
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   363
            aAgent.Set( DRM::KDrmWMAgentName ); 
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   364
            }   
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   365
        }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   366
    else
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   367
        {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   368
        // Check whether it's OMA DRM protected or not.
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   369
        if ( ( aContent.Length() >= KMinContentLengthOma1Based ) && 
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   370
            ( COma1Dcf::IsValidDcf( aContent ) ) )
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   371
            {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   372
            isDrmFile = ETrue;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   373
            aProtected = DRM::EUProtected;                          
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   374
            aAgent.Set( DRM::KDrmOmaAgentName );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   375
            }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   376
        else if ( COma2Dcf::IsValidDcf( aContent ) )
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   377
            {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   378
            isDrmFile = ETrue;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   379
            _LIT8( KCommonHeadersBox, "ohdr" );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   380
            TInt pos( aContent.Find( KCommonHeadersBox ) );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   381
            
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   382
            // If no box can be found or if there isn't enough data
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   383
            // set protection as unknown
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   384
            if ( pos == KErrNotFound || 
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   385
                 aContent.Length() < pos + KOma2EncryptionFieldOffset )
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   386
                {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   387
                aProtected = DRM::EUUnknown;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   388
                }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   389
            // If encryption field is 0, then content isn't protected    
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   390
            else if ( !aContent[pos + KOma2EncryptionFieldOffset] )
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   391
                {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   392
                aProtected = DRM::EUUnprotected;    
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   393
                }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   394
            else
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   395
                {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   396
                aProtected = DRM::EUProtected;    
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   397
                }                               
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   398
            aAgent.Set( DRM::KDrmOmaAgentName );            
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   399
            }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   400
        else if ( (aContent)[0] == 1)
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   401
            {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   402
            // set the mimetype from the buffer which is in the beginning
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   403
            // starting from byte 3 with the length specified at position 2     
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   404
            TPtrC8 mimeType( aContent.Mid(3, (aContent)[1]) );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   405
            if( !mimeType.CompareF( *iOmaBasedMimeType ) )
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   406
                {   
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   407
                aAgent.Set( *DRM::CDrmUtility::iOmaBasedAgentName );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   408
                isDrmFile = ETrue;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   409
                aProtected = DRM::EUProtected;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   410
                }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   411
            }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   412
        }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   413
    return isDrmFile;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   414
    }      
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   415
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   416
// -----------------------------------------------------------------------------
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   417
// CDrmUtility::IsProtectedL
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   418
// -----------------------------------------------------------------------------
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   419
//  
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   420
EXPORT_C TBool DRM::CDrmUtility::IsProtectedL( RFile& aFileHandle ) const
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   421
    {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   422
    DRM::TDrmProtectionStatus protection( DRM::EUUnknown );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   423
    TPtrC agent( KNullDesC );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   424
    TBool isDrmFile( EFalse );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   425
    TBool isProtected( EFalse );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   426
    
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   427
    isDrmFile = GetDrmInfoL( aFileHandle, agent, protection );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   428
    
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   429
    if ( isDrmFile && protection == DRM::EUProtected )
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   430
        {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   431
        isProtected = ETrue;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   432
        }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   433
    return isProtected;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   434
    }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   435
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   436
    
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   437
// -----------------------------------------------------------------------------
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   438
// CDrmUtility::IsProtectedL
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   439
// -----------------------------------------------------------------------------
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   440
//  
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   441
EXPORT_C TBool DRM::CDrmUtility::IsProtectedL( const TDesC8& aContent ) const
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   442
    {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   443
    DRM::TDrmProtectionStatus protection( DRM::EUUnknown );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   444
    TPtrC agent( KNullDesC );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   445
    TBool isDrmFile( EFalse );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   446
    TBool isProtected( EFalse );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   447
    
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   448
    isDrmFile = GetDrmInfoL( aContent, agent, protection );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   449
    
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   450
    if( isDrmFile && protection == DRM::EUProtected )
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   451
        {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   452
        isProtected = ETrue;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   453
        }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   454
    return isProtected;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   455
    }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   456
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   457
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   458
// -----------------------------------------------------------------------------
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   459
// CDrmUtility::GetAgentL
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   460
// -----------------------------------------------------------------------------
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   461
//  
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   462
EXPORT_C TBool DRM::CDrmUtility::GetAgentL( 
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   463
    RFile& aFileHandle,
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   464
    TPtrC& aAgent ) const
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   465
    {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   466
    DRM::TDrmProtectionStatus protection( DRM::EUUnknown );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   467
    TBool isDrmFile( EFalse );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   468
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   469
    isDrmFile = GetDrmInfoL( aFileHandle, aAgent, protection );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   470
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   471
    return isDrmFile;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   472
    }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   473
    
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   474
// -----------------------------------------------------------------------------
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   475
// CDrmUtility::GetAgentL
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   476
// -----------------------------------------------------------------------------
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   477
//  
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   478
EXPORT_C TBool DRM::CDrmUtility::GetAgentL( 
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   479
    const TDesC8& aContent,
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   480
    TPtrC& aAgent ) const
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   481
    {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   482
    DRM::TDrmProtectionStatus protection( DRM::EUUnknown );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   483
    TBool isDrmFile( EFalse );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   484
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   485
    isDrmFile = GetDrmInfoL( aContent, aAgent, protection );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   486
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   487
    return isDrmFile;
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   488
    }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   489
 	
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   490
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   491
// -----------------------------------------------------------------------------
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   492
// CDrmUtility::CheckFileHandlerL
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   493
// Checks whether given filehandle is valid if not leaves with KErrArgument
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   494
// (other items were commented in a header).
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   495
// -----------------------------------------------------------------------------
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   496
// 
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   497
EXPORT_C void DRM::CDrmUtility::CheckFileHandleL( RFile& aFileHandle ) const
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   498
    {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   499
    if ( !aFileHandle.SubSessionHandle() )
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   500
        {
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   501
        User::Leave( KErrBadHandle );
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   502
        }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   503
    }
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   504
       
95b198f216e5 Revision: 200949
Dremov Kirill (Nokia-D-MSW/Tampere) <kirill.dremov@nokia.com>
parents:
diff changeset
   505
//  End of File