--- a/profilesservices/FileList/Src/CFLDDRMImplementation.cpp Thu Aug 19 10:12:30 2010 +0300
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,451 +0,0 @@
-/*
-* 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: Implementation of the CFLDDRMImplementation.
-*
-*/
-
-
-
-// CLASS HEADER
-#include "CFLDDRMImplementation.h"
-
-// INTERNAL INCLUDES
-#include "CFLDRingingTonePlayer.h" // KFLDResourceFileName
-
-// EXTERNAL INCLUDES
-#include <DRMCommon.h>
-#include <DRMHelper.h>
-#include <filelist.rsg>
-#include <MProfilesLocalFeatures.h>
-#include <MProfileUtilitySingleton.h>
-
-#ifdef RD_DRM_COMMON_INTERFACE_FOR_OMA_AND_WMDRM
-#include <drmutility.h>
-#include <drmagents.h>
-#endif
-
-// CONSTANTS
-namespace
- {
- _LIT( KFLDROMDriveLetter, "Z:" );
- }
-
-// ============================ MEMBER FUNCTIONS ===============================
-
-// -----------------------------------------------------------------------------
-// CFLDDRMImplementation::ConstructL
-// Symbian 2nd phase constructor can leave.
-// -----------------------------------------------------------------------------
-//
-void CFLDDRMImplementation::ConstructL()
- {
- iProfilesFeatures = &( ProfileUtilityInstanceL().ProfilesLocalFeatures() );
- iDRMCommon = DRMCommon::NewL();
- User::LeaveIfError( iDRMCommon->Connect() );
- iDRMHelper = CDRMHelper::NewL( *CCoeEnv::Static() );
- }
-
-// Destructor
-CFLDDRMImplementation::~CFLDDRMImplementation()
- {
- delete iDRMHelper;
-
- if( iDRMCommon )
- {
- iDRMCommon->Disconnect(); // ignore possible error
- delete iDRMCommon;
- }
- ReleaseProfileUtility();
- }
-
-// -----------------------------------------------------------------------------
-// CFLDDRMImplementation::SetAutomatedType
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-void CFLDDRMImplementation::SetAutomatedType(
- CDRMHelper::TDRMHelperAutomatedType aAutomatedType )
- {
- iAutomatedType = aAutomatedType;
- }
-
-// -----------------------------------------------------------------------------
-// CFLDDRMImplementation::IsFileValidL
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-TBool CFLDDRMImplementation::IsFileValidL(
- const TDesC& aFileName, TIntention aIntention )
- {
- // If the destructor is empty, return that it's valid
- if( aFileName.Compare( KNullDesC ) == 0 )
- {
- return ETrue;
- }
-
- // Tone files on ROM are always valid
- if( ( aFileName.Left( KFLDROMDriveLetter().Length() ).CompareF(
- KFLDROMDriveLetter ) == 0 ) )
- {
- return ETrue;
- }
-
- // Check if file is WMDRM protected
- TBool prot( EFalse );
- TRAPD( err, prot = IsFileWMDRMProtectedL( aFileName ) );
- if( err != KErrNone )
- {
- ShowErrorNoteL( R_FLD_QTN_FILE_FORMAT_ERROR );
- return EFalse;
- }
- if( prot )
- {
- ShowErrorNoteL( R_FLD_QTN_PROFILES_INFO_TONE_DRM_PROTECTED );
- return EFalse;
- }
-
- ContentAccess::TVirtualPathPtr path( aFileName,
- ContentAccess::KDefaultContentObject );
- CData* data = CData::NewLC( path, EContentShareReadWrite );
- TInt isProtected;
- TInt error = data->GetAttribute( EIsProtected, isProtected );
- CleanupStack::PopAndDestroy(); // data
-
- if( error != DRMCommon::EOk )
- {
- // DRM Helper class knows at least rights db corrupted error message.
- // Leaves on system-wide error code.
- iDRMHelper->HandleErrorL( error, aFileName );
- return EFalse;
- }
-
- // Obtain information whether the file can be set as automated content
- TBool canSetAutomated( EFalse );
- TInt canSetAutomatedErr( iDRMHelper->CanSetAutomated( aFileName, canSetAutomated ) );
-
- if( !isProtected && canSetAutomated )
- {
- // The file in question is not DRM protected.
- // Return ETrue if file is also Ok unprotected, otherwise EFalse.
- return IsFileValidUnprotectedL( aFileName, aIntention );
- }
-
- // Operator requirement: Check restrictions if file is mp4 audio
- TBuf<KMaxDataTypeLength> dataType( DataTypeL( aFileName ).Des() );
- if( iProfilesFeatures->IsBlockedProtectedType( dataType ) )
- {
- ShowErrorNoteL( R_FLD_QTN_PROFILES_INFO_TONE_DRM_PROTECTED );
- return EFalse;
- }
-
- if ( canSetAutomatedErr == DRMCommon::ERightsExpired ||
- canSetAutomatedErr == DRMCommon::ENoRights )
- {
- // Rights are expired, future rights or missing
- iDRMHelper->HandleErrorL( canSetAutomatedErr, aFileName );
- return EFalse;
- }
-
- // Operator requirement: Check DRM v2 tones
- if( !canSetAutomated )
- {
- // This is DRM v2 file OR count based v1 tone
- ShowErrorNoteL( aIntention == EPlay ?
- R_FLD_QTN_DRM_PREV_RIGHTS_USE : R_FLD_QTN_DRM_PREV_RIGHTS_SET);
- return EFalse;
- }
-
- TInt32 infoBits( 0x00000000 );
-
- // Find out rights information
- if( !CFLDDRMImplementation::GetFileInfoL(
- aFileName, infoBits ) )
- {
- // Corrupted file or "No rights" situation
- return EFalse;
- }
-
- // Operator requirement: Check CFM protection
- if ( infoBits & ENoRingingTone )
- {
- // This is CFM protected file, ringingtone is set to "no"
- ShowErrorNoteL( aIntention == EPlay ?
- R_FLD_QTN_DRM_PREV_RIGHTS_USE : R_FLD_QTN_DRM_PREV_RIGHTS_SET);
- return EFalse;
- }
-
- if( aIntention == ESelect )
- {
- // Rights are good to go, and intention is selection
- // call SetAutomatedPassive to show 'activation query'
- iDRMHelper->SetAutomatedType( iAutomatedType );
- error = iDRMHelper->SetAutomatedPassive( aFileName );
- if( error != KErrCancel )
- {
- // User accepted dialog
- User::LeaveIfError( error );
- // New way, does not require DRM capability
- data = CData::NewLC( path, EContentShareReadWrite );
- error = data->ExecuteIntent( ContentAccess::EPlay );
- // Wrongly requires DRM after all. According to Risto Vilkman
- // from DRM, KErrAccessDenied can be ignored, since if
- // CanSetAutomated says the tone is OK, it's OK.
- if ( error != KErrNone && error != KErrAccessDenied )
- {
- User::Leave( error );
- }
- CleanupStack::PopAndDestroy(); // data
- }
- else
- {
- // User canceled dialog
- return EFalse;
- }
- }
-
- return ETrue;
- }
-
-// -----------------------------------------------------------------------------
-// CFLDDRMImplementation::GetFileInfo
-// (other items were commented in a header).
-// -----------------------------------------------------------------------------
-//
-TBool CFLDDRMImplementation::GetFileInfoL(
- const TDesC& aFileName, TInt32& aInfoBits ) const
- {
- DRMCommon::TContentProtection contentProtection; // ignored
- HBufC8* mimeType = NULL; // ignored
- TUint dataLength( 0 ); // ignored
- HBufC8* contentURI( NULL );
-
- // Obtain content URI
- TInt error = iDRMCommon->GetFileInfo(
- aFileName, contentProtection, mimeType, contentURI, dataLength );
- delete mimeType;
-
- if( error != DRMCommon::EOk )
- {
- delete contentURI;
- // Handle possible corrupt file situation
- iDRMHelper->HandleErrorL( error, aFileName );
- return EFalse;
- }
-
- // Obtain rights object
- CDRMRights* rights = NULL;
- error = iDRMCommon->GetActiveRights( *contentURI, DRMCommon::EPlay, rights );
- delete contentURI;
-
- if( error == DRMCommon::ENoRights )
- {
- delete rights;
- // There is no rights for given file
- // Should never arrive here, ENoRights is handled
- // already in IsFileValidL()
- iDRMHelper->HandleErrorL( error, aFileName );
- return EFalse;
- }
-
- // Obtain infobits ( needed only for CFM case )
- aInfoBits = rights->GetPermission().iInfoBits;
- delete rights;
- return ETrue;
- }
-
-
-// -----------------------------------------------------------------------------
-//
-// Functions related to WMDRM protection check
-//
-// -----------------------------------------------------------------------------
-
-#ifndef RD_DRM_COMMON_INTERFACE_FOR_OMA_AND_WMDRM
-
-// Some magic constants
-static const TInt KMinContentLength( 16 );
-//_LIT8( KContentProtectionType, "DRM" );
-_LIT8( KASFHeaderObject, "75B22630668E11CFA6D900AA0062CE6C" );
-_LIT8( KWrmHeader, "W\0R\0M\0H\0E\0A\0D\0E\0R\0" );
-
-// -----------------------------------------------------------------------------
-// FormatGUID
-// -----------------------------------------------------------------------------
-//
-LOCAL_C void FormatGUID( TDes8& aGUID )
- {
- TBuf8<16> copyGUID( aGUID );
- TInt i;
- for( i = 0; i < 4; i++ )
- {
- copyGUID[i] = aGUID[3-i];
- }
- for( i = 4; i < 6; i++ )
- {
- copyGUID[i] = aGUID[9 - i];
- }
- for( i = 6; i < 8; i++ )
- {
- copyGUID[i] = aGUID[13 - i];
- }
- for( i = 8; i < 16 ; i++ )
- {
- copyGUID[i] = aGUID[i];
- }
- aGUID.Delete( 0, 32 );
- for( i = 0; i <16; i++ )
- {
- aGUID.AppendNumFixedWidthUC( copyGUID[i], EHex, 2 );
- }
- }
-
-// -----------------------------------------------------------------------------
-// ConvertToInt64
-// -----------------------------------------------------------------------------
-//
-LOCAL_C TInt64 ConvertToInt64( TDesC8& aDes )
- {
- TInt64 num = 0;
- TInt i;
- for( i = 7 ; i >= 0; i-- )
- {
- num <<= 8;
- num |= aDes[i];
- }
- return num;
- }
-
-
-// -----------------------------------------------------------------------------
-// IsProtectedWmDrmL
-// returns ETrue, if file is protected WMDRM file
-// EFalse if file is not protected WMDRM file
-// Leaves with KErrUnderflow if file has too little data to decide
-// whether WmDrm or not
-// may also leave with other system wide error code
-// -----------------------------------------------------------------------------
-//
-LOCAL_C TBool IsProtectedWmDrmL( RFile& aFileHandle )
- {
- TInt r( KErrNone );
- HBufC8* buffer( NULL );
- TInt pos( 0 );
- RFile file;
- TBuf8< 32 > header;
-
- TInt64 headerSize( 0 );
- TBool isProtectedWmDrm( EFalse );
- TPtr8 headerPtr( NULL, 0 );
-
- // Leave if given handle is invalid
- if( !aFileHandle.SubSessionHandle() )
- {
- User::Leave( KErrBadHandle );
- }
-
- User::LeaveIfError( file.Duplicate( aFileHandle ) );
- CleanupClosePushL( file );
-
- User::LeaveIfError( file.Seek( ESeekStart, pos ) );
-
- // Check if the file is an ASF file
- // : Check on runtime wether WM DRM is supporeted or not
-
- User::LeaveIfError( file.Read( 0, header, KMinContentLength ) );
- if( header.Length() < KMinContentLength )
- {
- User::Leave( KErrUnderflow );
- }
-
- FormatGUID( header );
-
- if( header == KASFHeaderObject )
- {
- // It's ASF, check still whether it's WM DRM protected or not
- file.Read( header,8 );
- headerSize = ConvertToInt64( header );
- if( headerSize <= 30 )
- {
- User::Leave( KErrUnderflow );
- }
- if ( headerSize > ( ( KMaxTInt32 / 2 ) - 1 ) )
- {
- User::Leave( KErrOverflow );
- }
- buffer = HBufC8::NewLC( headerSize );
-
- headerPtr.Set( buffer->Des() );
- User::LeaveIfError( file.Read( headerPtr, headerSize - 24 ) );
-
- r = headerPtr.Find( KWrmHeader );
- if ( KErrNotFound != r )
- {
- isProtectedWmDrm = ETrue;
- }
- CleanupStack::PopAndDestroy( buffer ); // buffer
- }
- CleanupStack::PopAndDestroy(); // file
-
- return isProtectedWmDrm;
- }
-
-#endif // RD_DRM_COMMON_INTERFACE_FOR_OMA_AND_WMDRM
-
-// -----------------------------------------------------------------------------
-// CFLDDRMImplementation::IsFileWMDRMProtectedL
-// -----------------------------------------------------------------------------
-//
-TBool CFLDDRMImplementation::IsFileWMDRMProtectedL( const TDesC& aFileName ) const
- {
- TBool res = EFalse;
- RFs& fsSession( CCoeEnv::Static()->FsSession() );
- RFile hFile;
-
- TInt err = hFile.Open( fsSession, aFileName,
- EFileRead | EFileStream | EFileShareReadersOnly );
- if( err == KErrInUse )
- {
- err = hFile.Open( fsSession, aFileName,
- EFileRead | EFileStream | EFileShareAny );
- }
- if( err != KErrNone )
- {
- User::Leave( err );
- }
- CleanupClosePushL( hFile );
-
-#ifdef RD_DRM_COMMON_INTERFACE_FOR_OMA_AND_WMDRM
- TPtrC agent( KNullDesC );
- DRM::CDrmUtility* drmUtil( DRM::CDrmUtility::NewLC() );
- drmUtil->GetAgentL( hFile, agent );
- if( agent.Compare( DRM::KDrmWMAgentName ) == 0 )
- {
- res = ETrue;
- }
- CleanupStack::PopAndDestroy( drmUtil );
-#else
- res = IsProtectedWmDrmL( hFile );
-#endif
-
- CleanupStack::PopAndDestroy( &hFile );
- return res;
- }
-
-// -----------------------------------------------------------------------------
-//
-// End of Functions related to WMDRM protection check
-//
-// -----------------------------------------------------------------------------
-
-// End of File