--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/phonebookui/Phonebook2/CommonUI/src/CPbk2DrmManager.cpp Tue Feb 02 10:12:17 2010 +0200
@@ -0,0 +1,607 @@
+/*
+* Copyright (c) 2002-2007 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:
+* Phonebook 2 DRM manager.
+*
+*/
+
+
+// INCLUDE FILES
+#include "CPbk2DrmManager.h"
+
+// Phonebook 2
+#include <Pbk2CommonUi.rsg>
+
+// System includes
+#include <featmgr.h>
+#include <DRMCommon.h>
+#include <StringLoader.h>
+#include <aknnotewrappers.h>
+#include <apgcli.h> // RApaLsSession
+#include <musicplayerdomaincrkeys.h> // KCRUidMusicPlayerFeatures
+#include <centralrepository.h>
+#include <DRMHelper.h>
+#include <coemain.h>
+
+#ifdef RD_DRM_COMMON_INTERFACE_FOR_OMA_AND_WMDRM
+#include <drmutility.h>
+#include <drmagents.h>
+#endif
+
+/// Unnamed namespace for local definitions
+namespace {
+
+_LIT(KSpaceTxt, " ");
+
+} /// namespace
+
+// --------------------------------------------------------------------------
+// CPbk2DrmManager::CPbk2DrmManager
+// --------------------------------------------------------------------------
+//
+CPbk2DrmManager::CPbk2DrmManager() :
+ iDrmEnabled( EFalse )
+ {
+ }
+
+// --------------------------------------------------------------------------
+// CPbk2DrmManager::~CPbk2DrmManager
+// --------------------------------------------------------------------------
+//
+EXPORT_C CPbk2DrmManager::~CPbk2DrmManager()
+ {
+ if ( iDrmClient )
+ {
+ iDrmClient->Disconnect();
+ }
+ delete iDrmClient;
+ delete iDrmHelper;
+ delete iMusicPlayerFeatures;
+
+ FeatureManager::UnInitializeLib();
+ }
+
+// --------------------------------------------------------------------------
+// CPbk2DrmManager::NewL
+// --------------------------------------------------------------------------
+//
+EXPORT_C CPbk2DrmManager* CPbk2DrmManager::NewL()
+ {
+ CPbk2DrmManager* self = new ( ELeave ) CPbk2DrmManager;
+ CleanupStack::PushL( self );
+ self->ConstructL();
+ CleanupStack::Pop( self );
+ return self;
+ }
+
+// --------------------------------------------------------------------------
+// CPbk2DrmManager::ConstructL
+// --------------------------------------------------------------------------
+//
+void CPbk2DrmManager::ConstructL()
+ {
+ // Sets up TLS, must be done before FeatureManager is used
+ FeatureManager::InitializeLibL();
+
+ iDrmHelper = CDRMHelper::NewL();
+ iDrmClient = DRMCommon::NewL();
+ if ( iDrmClient->Connect() == DRMCommon::EOk )
+ {
+ // If unable to connect, DRM protection is always on
+ iDrmEnabled = ETrue;
+ }
+
+ iMusicPlayerFeatures = CRepository::NewLC( KCRUidMusicPlayerFeatures );
+ CleanupStack::Pop(); // iMusicPlayerFeatures
+ }
+
+#ifndef RD_DRM_COMMON_INTERFACE_FOR_OMA_AND_WMDRM
+
+// Some magic constants
+static const TInt KMinContentLength( 16 );
+_LIT8( KContentProtectionType, "DRM" );
+_LIT8( KASFHeaderObject, "75B22630668E11CFA6D900AA0062CE6C" );
+
+
+// -----------------------------------------------------------------------------
+// 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 );
+ }
+
+ file.Duplicate( aFileHandle );
+ CleanupClosePushL( file );
+
+ User::LeaveIfError( file.Seek( ESeekStart, pos ) );
+
+ // Check if the file is an ASF file
+ // TODO: Check on runtime wether WM DRM is supporeted or not
+ // Take Implementation from DRM::CDrmUtility::GetDrmInfoL,
+ // which is not yet available
+
+ 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 > KMaxTInt16 )
+ {
+ User::Leave( KErrOverflow );
+ }
+ buffer = HBufC8::NewLC( headerSize );
+
+ headerPtr.Set( buffer->Des() );
+ User::LeaveIfError( file.Read( headerPtr, headerSize - 24 ) );
+
+ r = headerPtr.Find( KContentProtectionType );
+ if ( KErrNotFound != r )
+ {
+ isProtectedWmDrm = ETrue;
+ }
+ CleanupStack::PopAndDestroy( buffer ); // buffer
+ }
+ CleanupStack::PopAndDestroy(); // file
+
+ return isProtectedWmDrm;
+ }
+
+#endif // RD_DRM_COMMON_INTERFACE_FOR_OMA_AND_WMDRM
+
+// -----------------------------------------------------------------------------
+// CPbk2DrmManager::IsFileWMDRMProtectedL
+// -----------------------------------------------------------------------------
+//
+TBool CPbk2DrmManager::IsFileWMDRMProtectedL( const TDesC& aFileName,
+ TBool& aIsProtected ) 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;
+ }
+ else
+ {
+ res = iDrmClient->IsProtectedFile( aFileName, aIsProtected );
+ }
+ CleanupStack::PopAndDestroy( drmUtil );
+#else
+ res = IsProtectedWmDrmL( hFile );
+ aIsProtected = EFalse;
+#endif
+
+ CleanupStack::PopAndDestroy( &hFile );
+ return res;
+ }
+
+// --------------------------------------------------------------------------
+// CPbk2DrmManager::IsProtectedFile
+// --------------------------------------------------------------------------
+//
+
+EXPORT_C TInt CPbk2DrmManager::IsProtectedFile(
+ const TDesC& aFileName,
+ TBool& aIsProtected )
+ {
+ aIsProtected = ETrue;
+
+ const TBool drmSupported =
+ ( FeatureManager::FeatureSupported( KFeatureIdDrm )||
+ FeatureManager::FeatureSupported( KFeatureIdDrmFull ) );
+
+ TInt drmErrorCode( KErrNone );
+ if ( !drmSupported )
+ {
+ // No DRM support, file retrieval always ok
+ aIsProtected = EFalse;
+ }
+ else if ( iDrmEnabled )
+ {
+ // Check is the file protected
+ drmErrorCode = IsFileWMDRMProtectedL( aFileName,aIsProtected );
+ }
+ return drmErrorCode;
+ }
+
+// --------------------------------------------------------------------------
+// CPbk2DrmManager::IsRingingToneForbidden
+// --------------------------------------------------------------------------
+//
+EXPORT_C TInt CPbk2DrmManager::IsRingingToneForbidden(
+ const TDesC& aFileName,
+ TBool& aIsProtected )
+ {
+ aIsProtected = ETrue;
+ TInt error( KErrNone );
+ const TBool drmSupported =
+ ( FeatureManager::FeatureSupported( KFeatureIdDrm ) ||
+ FeatureManager::FeatureSupported( KFeatureIdDrmFull ) );
+
+ if ( !drmSupported )
+ {
+ // No DRM support, file retrieval always ok
+ aIsProtected = EFalse;
+ }
+ else
+ {
+ // DRM is enabled. File must be checked
+ error = IsProtectedFile( aFileName, aIsProtected );
+ if ( error == KErrNone )
+ {
+ if ( aIsProtected )
+ {
+ TRAP( error, CheckProtectedFileL( aFileName, aIsProtected ) );
+ }
+ else
+ {
+ TRAP( error, CheckUnprotectedFileL( aFileName, aIsProtected ) );
+ }
+ }
+ else
+ {
+ error = 0;
+ TRAP_IGNORE( ShowErrorNoteL( R_QTN_PHOB_PROTECTED_TONE ) );
+ }
+ }
+ return error;
+ }
+
+// --------------------------------------------------------------------------
+// CPbk2DrmManager::IsThumbnailForbidden
+// --------------------------------------------------------------------------
+//
+EXPORT_C TInt CPbk2DrmManager::IsThumbnailForbidden(
+ const TDesC& aFileName,
+ TBool& aIsProtected )
+ {
+ aIsProtected = ETrue;
+ TInt error = IsProtectedFile( aFileName, aIsProtected );
+
+ // Thumbnails with any DRM protection are not allowed
+ if ( error == KErrNone && aIsProtected )
+ {
+ TRAP_IGNORE( ShowErrorNoteL( R_PBK2_QTN_DRM_NOT_ALLOWED ) );
+ }
+
+ return error;
+ }
+
+// --------------------------------------------------------------------------
+// CPbk2DrmManager::ShowErrorNoteL
+// --------------------------------------------------------------------------
+//
+void CPbk2DrmManager::ShowErrorNoteL( TInt aResource )
+ {
+ CEikonEnv* env = CEikonEnv::Static();
+ HBufC* noteText = StringLoader::LoadLC( aResource, env );
+
+ // DRM notifications are shown as waiting information notes
+ CAknInformationNote* note = new ( ELeave ) CAknInformationNote( ETrue );
+ note->ExecuteLD( *noteText );
+
+ CleanupStack::PopAndDestroy( noteText ); //noteText
+ }
+
+// --------------------------------------------------------------------------
+// CPbk2DrmManager::IsDrmRequiredForPlaybackL
+// --------------------------------------------------------------------------
+//
+TBool CPbk2DrmManager::IsDrmRequiredForPlaybackL()
+ {
+ // It is possible to disable support for non-DRM protected rich audio
+ // formats
+ TInt value( 0 );
+ User::LeaveIfError(
+ iMusicPlayerFeatures->Get( KRequireDRMInPlayback, value ) );
+ return static_cast<TBool>( value );
+ }
+
+// --------------------------------------------------------------------------
+// CPbk2DrmManager::IsBlockedMimeTypeL
+// --------------------------------------------------------------------------
+//
+TBool CPbk2DrmManager::IsBlockedMimeTypeL( const TDesC& aMimeType )
+ {
+ TBool ret = EFalse;
+ TBuf<1> tmp; // Magic: 1 char to get length of actual value
+ TInt realLen = 0;
+ TInt err = iMusicPlayerFeatures->Get(
+ KPlaybackRestrictedMimeTypes, tmp, realLen );
+ if ( err == KErrOverflow )
+ {
+ // Prepare list of blocked MIME types
+ HBufC* listBuf = HBufC::NewLC( realLen + KSpaceTxt().Length() );
+ TPtr list = listBuf->Des();
+ User::LeaveIfError(
+ iMusicPlayerFeatures->Get
+ ( KPlaybackRestrictedMimeTypes, list ) );
+ list.Append( KSpaceTxt );
+
+ // Prepare buffer for aMimeType
+ HBufC* mimeBuf = HBufC::NewLC( aMimeType.Length() +
+ KSpaceTxt().Length() );
+ TPtr mime = mimeBuf->Des();
+ mime = aMimeType;
+ // FindF() would find "audio/3gpp" in "audio/3gpp2" without
+ // the added space
+ mime.Append( KSpaceTxt );
+
+ // If result is not KErrNotFound, this MIME-type is indeed blocked
+ ret = ( list.FindF( mime ) >= 0 );
+
+ CleanupStack::PopAndDestroy(2); // listBuf, mimeBuf
+ }
+ else
+ {
+ User::LeaveIfError( err );
+ }
+ return ret;
+ }
+
+// --------------------------------------------------------------------------
+// CPbk2DrmManager::CheckProtectedFileL
+// --------------------------------------------------------------------------
+//
+void CPbk2DrmManager::CheckProtectedFileL(
+ const TDesC& aFileName,
+ TBool& aProtected )
+ {
+ aProtected = ETrue;
+ TBool automatedOk(EFalse);
+
+ // Check that file can be set as automated content.
+ TInt err = iDrmHelper->CanSetAutomated( aFileName, automatedOk );
+ if ( err==KErrNone )
+ {
+ if ( !automatedOk )
+ {
+ ShowErrorNoteL(R_QTN_PHOB_DRM_PREV_RIGHTS_SET);
+ }
+ else
+ {
+ DRMCommon::TContentProtection protection;
+ HBufC8* mimeType = NULL; // ignored
+ HBufC8* contentUri = NULL;
+ TUint dataLength; // ignored
+ err = iDrmClient->GetFileInfo(
+ aFileName, protection, mimeType, contentUri, dataLength );
+ delete mimeType;
+ mimeType = NULL;
+ if( err )
+ {
+ delete contentUri;
+ User::Leave( err );
+ }
+
+ CDRMRights* rights = NULL;
+ err = iDrmClient->GetActiveRights(
+ *contentUri, DRMCommon::EPlay, rights );
+
+ switch ( err )
+ {
+ case CDRMRights::EFullRights: // Fall through
+ case CDRMRights::ERestrictedRights:
+ {
+ CDRMRights::TRestriction restriction; // ignore
+ CDRMRights::TExpiration expiration;
+ TUint32 constType;
+
+ // Ignore return value
+ rights->GetRightsInfo(
+ DRMCommon::EPlay, restriction, expiration, constType );
+
+ // This is CFM protected file, ringingtone is set to "no"
+ if ( ( rights->GetPermission().iInfoBits & ENoRingingTone )
+ // This is normal DRM protected tone
+ || ( constType & ( CDRMRights::ECountBased |
+ CDRMRights::ETimeIsAccumulatedTime ) ) )
+ {
+ ShowErrorNoteL( R_QTN_PHOB_DRM_PREV_RIGHTS_SET );
+ }
+ else
+ {
+ switch ( expiration )
+ {
+ case CDRMRights::EValidRights:
+ {
+ aProtected = EFalse;
+ break;
+ }
+ case CDRMRights::EFutureRights:
+ {
+ iDrmHelper->HandleErrorL(
+ DRMCommon::ENoRights, aFileName );
+ break;
+ }
+ case CDRMRights::EExpiredRights:
+ {
+ iDrmHelper->HandleErrorL(
+ DRMCommon::ERightsExpired, aFileName );
+ break;
+ }
+ default:
+ {
+ // Do nothing
+ break;
+ }
+ }
+ }
+ break;
+ }
+ case CDRMRights::EPreviewRights:
+ {
+ ShowErrorNoteL( R_QTN_PHOB_DRM_PREV_RIGHTS_SET );
+ break;
+ }
+ case DRMCommon::ENoRights:
+ {
+ iDrmHelper->HandleErrorL( DRMCommon::ENoRights, aFileName );
+ break;
+ }
+ default:
+ {
+ // Do nothing
+ break;
+ }
+ }
+
+ delete rights;
+ delete contentUri;
+ }
+ }
+ else
+ {
+ // Locked file case is handled separately.
+ if ( err==KErrInUse )
+ {
+ CCoeEnv::Static()->HandleError( KErrInUse );
+ }
+ else
+ {
+ // Leave if DrmHelper not handle the error
+ User::LeaveIfError( iDrmHelper->HandleErrorL(err,aFileName) );
+ }
+ }
+ }
+
+// --------------------------------------------------------------------------
+// CPbk2DrmManager::CheckUnprotectedFileL
+// --------------------------------------------------------------------------
+//
+void CPbk2DrmManager::CheckUnprotectedFileL(
+ const TDesC& aFileName,
+ TBool& aProtected )
+ {
+ aProtected = ETrue;
+ RApaLsSession apaLs;
+ User::LeaveIfError( apaLs.Connect() );
+ TUid appUidNotUsed = KNullUid;
+ TDataType dataType;
+ TInt err = apaLs.AppForDocument( aFileName, appUidNotUsed, dataType );
+ apaLs.Close();
+ User::LeaveIfError( err );
+
+ // Check if this unprotected MIME type should be blocked
+ if ( IsDrmRequiredForPlaybackL() &&
+ IsBlockedMimeTypeL( dataType.Des() ) )
+ {
+ ShowErrorNoteL( R_QTN_PHOB_UNPROTECTED_TONE );
+ }
+ else
+ {
+ aProtected = EFalse;
+ }
+ }
+
+// End of File