omadrm/drmengine/server/src/DRMCommonData.cpp
changeset 0 95b198f216e5
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     1 /*
       
     2 * Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:  Datatype for the Common Rights Database Data
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include <s32strm.h>
       
    22 #include "DRMCommonData.h"
       
    23 
       
    24 // EXTERNAL DATA STRUCTURES
       
    25 
       
    26 // EXTERNAL FUNCTION PROTOTYPES  
       
    27 
       
    28 // CONSTANTS
       
    29 
       
    30 // MACROS
       
    31 
       
    32 // LOCAL CONSTANTS AND MACROS
       
    33 _LIT8( KOwnNullDesC8, "" );
       
    34 _LIT( KOwnNullDesC, "" );
       
    35 
       
    36 // MODULE DATA STRUCTURES
       
    37 
       
    38 // LOCAL FUNCTION PROTOTYPES
       
    39 
       
    40 // FORWARD DECLARATIONS
       
    41 
       
    42 // ============================= LOCAL FUNCTIONS ===============================
       
    43 // ============================ MEMBER FUNCTIONS ===============================
       
    44 
       
    45 // -----------------------------------------------------------------------------
       
    46 // CDRMCommonData::NewLC
       
    47 // Two-phased constructor.
       
    48 // -----------------------------------------------------------------------------
       
    49 //
       
    50 CDRMCommonData* CDRMCommonData::NewLC( const TDesC8& aContentID,
       
    51                                        const TDesC8& aContentHash,
       
    52                                        const TDesC8& aRightsIssuer,
       
    53                                        const TDesC& aContentName,
       
    54                                        const TDesC8& aAuthenticationSeed )
       
    55     {
       
    56     CDRMCommonData* self = new( ELeave ) CDRMCommonData();
       
    57     CleanupStack::PushL( self );
       
    58     self->ConstructL( aContentID, aContentHash, 
       
    59                       aRightsIssuer, aContentName,
       
    60                       aAuthenticationSeed );
       
    61     
       
    62     return self;    
       
    63     };
       
    64 
       
    65 
       
    66 // -----------------------------------------------------------------------------
       
    67 // CDRMCommonData::NewL
       
    68 // Two-phased constructor.
       
    69 // -----------------------------------------------------------------------------
       
    70 //
       
    71 CDRMCommonData* CDRMCommonData::NewL( const TDesC8& aContentID,
       
    72                                       const TDesC8& aContentHash,
       
    73                                       const TDesC8& aRightsIssuer,
       
    74                                       const TDesC& aContentName,
       
    75                                       const TDesC8& aAuthenticationSeed )
       
    76     {
       
    77     CDRMCommonData* self = NewLC( aContentID, aContentHash, 
       
    78                                   aRightsIssuer, aContentName,
       
    79                                   aAuthenticationSeed );
       
    80     CleanupStack::Pop();
       
    81     
       
    82     return self;
       
    83     };        
       
    84 
       
    85 
       
    86 // -----------------------------------------------------------------------------
       
    87 // CDRMCommonData::NewLC
       
    88 // Two-phased constructor.
       
    89 // -----------------------------------------------------------------------------
       
    90 //
       
    91 CDRMCommonData* CDRMCommonData::NewLC()
       
    92     {
       
    93     CDRMCommonData* self = new( ELeave ) CDRMCommonData();
       
    94     CleanupStack::PushL( self );
       
    95     
       
    96     return self;    
       
    97     };
       
    98 
       
    99 
       
   100 // -----------------------------------------------------------------------------
       
   101 // CDRMCommonData::NewL
       
   102 // Two-phased constructor.
       
   103 // -----------------------------------------------------------------------------
       
   104 //
       
   105 CDRMCommonData* CDRMCommonData::NewL()
       
   106     {
       
   107     CDRMCommonData* self = NewLC();
       
   108     CleanupStack::Pop();
       
   109     
       
   110     return self;
       
   111     };           
       
   112 
       
   113 // -----------------------------------------------------------------------------
       
   114 // Default Constructor - First phase.
       
   115 // Can be used by itself to generate an empty object
       
   116 // -----------------------------------------------------------------------------
       
   117 //
       
   118 CDRMCommonData::CDRMCommonData()
       
   119     {
       
   120     
       
   121     }; 
       
   122 
       
   123 // -----------------------------------------------------------------------------
       
   124 // Destructor
       
   125 // -----------------------------------------------------------------------------
       
   126 //
       
   127 CDRMCommonData::~CDRMCommonData()
       
   128     {
       
   129     if( iContentID )
       
   130         {
       
   131         delete iContentID;
       
   132         iContentID = NULL;
       
   133         }
       
   134         
       
   135     if( iContentHash )
       
   136         {
       
   137         delete iContentHash;
       
   138         iContentHash = NULL;
       
   139         }
       
   140         
       
   141     if( iRightsIssuer )
       
   142         {
       
   143         delete iRightsIssuer;
       
   144         iRightsIssuer = NULL;
       
   145         }
       
   146         
       
   147     if( iContentName )
       
   148         {
       
   149         delete iContentName;
       
   150         iContentName = NULL;
       
   151         }
       
   152 
       
   153     if( iAuthenticationSeed )
       
   154         {
       
   155         delete iAuthenticationSeed;
       
   156         iAuthenticationSeed = NULL;	
       
   157         }   
       
   158     };
       
   159         
       
   160         
       
   161 // -----------------------------------------------------------------------------
       
   162 // CDRMCommonData::ContentID
       
   163 // -----------------------------------------------------------------------------
       
   164 //        
       
   165 const TDesC8& CDRMCommonData::ContentID() const
       
   166     {
       
   167     if ( iContentID )
       
   168         {
       
   169         return *iContentID;
       
   170         }
       
   171     return KOwnNullDesC8;
       
   172     };
       
   173 
       
   174 // -----------------------------------------------------------------------------
       
   175 // CDRMCommonData::ContentHash
       
   176 // -----------------------------------------------------------------------------
       
   177 // 
       
   178 const TDesC8& CDRMCommonData::ContentHash() const
       
   179     {
       
   180     if ( iContentHash )
       
   181         {
       
   182         return *iContentHash;
       
   183         }
       
   184     
       
   185     return KOwnNullDesC8;
       
   186     };
       
   187 
       
   188 // -----------------------------------------------------------------------------
       
   189 // CDRMCommonData::RightsIssuer
       
   190 // -----------------------------------------------------------------------------
       
   191 //    
       
   192 const TDesC8& CDRMCommonData::RightsIssuer() const
       
   193     {
       
   194     if ( iRightsIssuer )
       
   195         {
       
   196         return *iRightsIssuer;
       
   197         }
       
   198     return KOwnNullDesC8;
       
   199     };
       
   200     
       
   201 // -----------------------------------------------------------------------------
       
   202 // CDRMCommonData::ContentName
       
   203 // -----------------------------------------------------------------------------
       
   204 //   
       
   205 const TDesC& CDRMCommonData::ContentName() const
       
   206     {
       
   207     if ( iContentName )
       
   208         {
       
   209         return *iContentName;
       
   210         }
       
   211     
       
   212     return KOwnNullDesC;
       
   213     };    
       
   214 
       
   215 // -----------------------------------------------------------------------------
       
   216 // CDRMCommonData::AuthenticationSeed
       
   217 // -----------------------------------------------------------------------------
       
   218 //    
       
   219 const TDesC8& CDRMCommonData::AuthenticationSeed() const
       
   220     {
       
   221     if ( iAuthenticationSeed )
       
   222         {
       
   223         return *iAuthenticationSeed;
       
   224         }
       
   225     return KOwnNullDesC8;
       
   226     };
       
   227 
       
   228 
       
   229 // -----------------------------------------------------------------------------
       
   230 // CDRMCommonData::SetContentIDL
       
   231 // -----------------------------------------------------------------------------
       
   232 //         
       
   233 void CDRMCommonData::SetContentIDL( const TDesC8& aContentID )
       
   234     {
       
   235     HBufC8* newContentID = aContentID.AllocL();
       
   236     
       
   237     if( iContentID )
       
   238         {
       
   239         delete iContentID;
       
   240         iContentID = NULL;
       
   241         }
       
   242     iContentID = newContentID;    
       
   243     };
       
   244 
       
   245 // -----------------------------------------------------------------------------
       
   246 // CDRMCommonData::SetContentHashL
       
   247 // -----------------------------------------------------------------------------
       
   248 //        
       
   249 void CDRMCommonData::SetContentHashL( const TDesC8& aContentHash )
       
   250     {
       
   251     HBufC8* newContentHash = aContentHash.AllocL();
       
   252     
       
   253     if( iContentHash )
       
   254         {
       
   255         delete iContentHash;
       
   256         iContentHash = NULL;
       
   257         }
       
   258     iContentHash = newContentHash;        
       
   259     };
       
   260 
       
   261 // -----------------------------------------------------------------------------
       
   262 // CDRMCommonData::SetRightsIssuerL
       
   263 // -----------------------------------------------------------------------------
       
   264 //      
       
   265 void CDRMCommonData::SetRightsIssuerL( const TDesC8& aRightsIssuer )
       
   266     {
       
   267     HBufC8* newRightsIssuer = aRightsIssuer.AllocL();
       
   268     
       
   269     if( iRightsIssuer )
       
   270         {
       
   271         delete iRightsIssuer;
       
   272         iRightsIssuer = NULL;
       
   273         }
       
   274     iRightsIssuer = newRightsIssuer;     
       
   275     };
       
   276 
       
   277 
       
   278 // -----------------------------------------------------------------------------
       
   279 // CDRMCommonData::SetContentNameL
       
   280 // -----------------------------------------------------------------------------
       
   281 //   
       
   282 void CDRMCommonData::SetContentNameL( const TDesC& aContentName )
       
   283     {
       
   284     HBufC* newContentName = NULL; 
       
   285        
       
   286     // If the content name you want to give is empty, just delete the existing
       
   287     // one and not do anything else;
       
   288     if( aContentName.Length() == 0 )
       
   289     	{
       
   290     	if( iContentName )
       
   291         	{
       
   292         	delete iContentName;
       
   293         	iContentName = NULL;
       
   294         	}    	
       
   295     	return;	
       
   296     	}
       
   297     	
       
   298     newContentName = aContentName.AllocL();
       
   299     
       
   300     if( iContentName )
       
   301         {
       
   302         delete iContentName;
       
   303         iContentName = NULL;
       
   304         }
       
   305     iContentName = newContentName;     
       
   306     };
       
   307 
       
   308 
       
   309 // -----------------------------------------------------------------------------
       
   310 // CDRMCommonData::SetAuthenticationSeedL
       
   311 // -----------------------------------------------------------------------------
       
   312 //      
       
   313 void CDRMCommonData::SetAuthenticationSeedL( const TDesC8& aAuthenticationSeed )
       
   314     {
       
   315     HBufC8* newAuthenticationSeed = aAuthenticationSeed.AllocL();
       
   316     
       
   317     if( iAuthenticationSeed )
       
   318         {
       
   319         delete iAuthenticationSeed;
       
   320         iAuthenticationSeed= NULL;
       
   321         }
       
   322     iAuthenticationSeed = newAuthenticationSeed;     
       
   323     };
       
   324 
       
   325 
       
   326 // -----------------------------------------------------------------------------
       
   327 // CDRMCommonData::ExternalizeL
       
   328 // -----------------------------------------------------------------------------
       
   329 // 
       
   330 void CDRMCommonData::ExternalizeL( RWriteStream& aStream ) const
       
   331     {
       
   332     TInt dataLength = 0;
       
   333     
       
   334     // Write the ContentID
       
   335     if( iContentID )
       
   336         {
       
   337         dataLength = iContentID->Length();
       
   338         }
       
   339     aStream.WriteInt32L( dataLength );
       
   340     
       
   341     if( dataLength )
       
   342         {
       
   343         aStream.WriteL( iContentID->Des() );        
       
   344         }
       
   345         
       
   346     // Write the ContentHash
       
   347     dataLength = 0;
       
   348     if( iContentHash )
       
   349         {
       
   350         dataLength = iContentHash->Length();
       
   351         }
       
   352     aStream.WriteInt32L( dataLength );
       
   353     
       
   354     if( dataLength )
       
   355         {
       
   356         aStream.WriteL( iContentHash->Des() );        
       
   357         }
       
   358         
       
   359     // Write the Rights Issuer
       
   360     dataLength = 0;
       
   361     if( iRightsIssuer )
       
   362         {
       
   363         dataLength = iRightsIssuer->Length();
       
   364         }
       
   365     aStream.WriteInt32L( dataLength );
       
   366     
       
   367     if( dataLength )
       
   368         {
       
   369         aStream.WriteL( iRightsIssuer->Des() );        
       
   370         }
       
   371         
       
   372     // Write the ContentName                    
       
   373     dataLength = 0;
       
   374     if( iContentName )
       
   375         {
       
   376         dataLength = iContentName->Length();
       
   377         }
       
   378     aStream.WriteInt32L( dataLength );
       
   379             
       
   380     if( dataLength )
       
   381         {
       
   382         aStream.WriteL( iContentName->Des() );
       
   383         }
       
   384 
       
   385     // Write the Rights Issuer
       
   386     dataLength = 0;
       
   387     if( iAuthenticationSeed )
       
   388         {
       
   389         dataLength = iAuthenticationSeed->Length();
       
   390         }
       
   391     aStream.WriteInt32L( dataLength );
       
   392     
       
   393     if( dataLength )
       
   394         {
       
   395         aStream.WriteL( iAuthenticationSeed->Des() );        
       
   396         }
       
   397     
       
   398     };
       
   399 
       
   400 // -----------------------------------------------------------------------------
       
   401 // CDRMCommonData::InternalizeL
       
   402 // -----------------------------------------------------------------------------
       
   403 // 
       
   404 void CDRMCommonData::InternalizeL( RReadStream& aStream )
       
   405     {
       
   406     TInt dataLength = 0;
       
   407     HBufC8* dataPart = 0;
       
   408     TPtr8 dataBuffer(NULL,0,0);
       
   409         
       
   410     // Read the ContentID
       
   411     dataLength = aStream.ReadInt32L();
       
   412     
       
   413     if( dataLength )
       
   414         {
       
   415         // Reserve a new buffer:
       
   416         dataPart = HBufC8::NewMaxLC( dataLength );
       
   417         
       
   418         // Set the read buffer:
       
   419         dataBuffer.Set(const_cast<TUint8*>(dataPart->Ptr()), 0, dataLength);
       
   420         
       
   421         // Read the data:
       
   422         aStream.ReadL( dataBuffer );
       
   423         
       
   424         // Pop the buffer 
       
   425         CleanupStack::Pop(); // dataPart
       
   426                 
       
   427         // If an old content identifier exists delete it        
       
   428         if( iContentID )
       
   429             {
       
   430             delete iContentID;
       
   431             iContentID = NULL;
       
   432             }
       
   433         
       
   434         // assign the new content id
       
   435         iContentID = dataPart;    
       
   436         }
       
   437     else
       
   438         {
       
   439         // If an old content identifier exists delete it 
       
   440         if( iContentID )
       
   441             {
       
   442             delete iContentID;
       
   443             iContentID = NULL;
       
   444             }        
       
   445         }           
       
   446         
       
   447     // Read the Content Hash
       
   448     dataLength = aStream.ReadInt32L();
       
   449     
       
   450     if( dataLength )
       
   451         {
       
   452         // Reserve a new buffer:
       
   453         dataPart = HBufC8::NewMaxLC( dataLength );
       
   454         
       
   455         // Set the read buffer:
       
   456         dataBuffer.Set(const_cast<TUint8*>(dataPart->Ptr()), 0, dataLength);
       
   457         
       
   458         // Read the data:
       
   459         aStream.ReadL( dataBuffer );
       
   460         
       
   461         // Pop the buffer 
       
   462         CleanupStack::Pop(); // dataPart
       
   463                 
       
   464         // If an old content identifier exists delete it        
       
   465         if( iContentHash )
       
   466             {
       
   467             delete iContentHash;
       
   468             iContentHash = NULL;
       
   469             }
       
   470         
       
   471         // assign the new content id
       
   472         iContentHash = dataPart;    
       
   473         }
       
   474     else
       
   475         {
       
   476         // If an old content identifier exists delete it 
       
   477         if( iContentHash )
       
   478             {
       
   479             delete iContentHash;
       
   480             iContentHash = NULL;
       
   481             }        
       
   482         }           
       
   483         
       
   484     // Read the rights issuer
       
   485     dataLength = aStream.ReadInt32L();
       
   486     
       
   487     if( dataLength )
       
   488         {
       
   489         // Reserve a new buffer:
       
   490         dataPart = HBufC8::NewMaxLC( dataLength );
       
   491         
       
   492         // Set the read buffer:
       
   493         dataBuffer.Set(const_cast<TUint8*>(dataPart->Ptr()), 0, dataLength);
       
   494         
       
   495         // Read the data:
       
   496         aStream.ReadL( dataBuffer );
       
   497         
       
   498         // Pop the buffer 
       
   499         CleanupStack::Pop(); // dataPart
       
   500                 
       
   501         // If an old content identifier exists delete it        
       
   502         if( iRightsIssuer )
       
   503             {
       
   504             delete iRightsIssuer;
       
   505             iRightsIssuer = NULL;
       
   506             }
       
   507         
       
   508         // assign the new content id
       
   509         iRightsIssuer = dataPart;    
       
   510         }
       
   511     else
       
   512         {
       
   513         // If an old content identifier exists delete it 
       
   514         if( iRightsIssuer )
       
   515             {
       
   516             delete iRightsIssuer;
       
   517             iRightsIssuer = NULL;
       
   518             }        
       
   519         }
       
   520 
       
   521     // Read the rights issuer
       
   522     dataLength = aStream.ReadInt32L();
       
   523     
       
   524     if( dataLength )
       
   525         {
       
   526         HBufC16* dataPart2 = 0;
       
   527         TPtr16 dataBuffer2(NULL,0,0);
       
   528         
       
   529         // Reserve a new buffer:
       
   530         dataPart2 = HBufC::NewMaxLC( dataLength );
       
   531         
       
   532         // Set the read buffer:
       
   533         dataBuffer2.Set(const_cast<TUint16*>(dataPart2->Ptr()), 0, dataLength);
       
   534         
       
   535         // Read the data:
       
   536         aStream.ReadL( dataBuffer2 );
       
   537         
       
   538         // Pop the buffer 
       
   539         CleanupStack::Pop(); // dataPart
       
   540                 
       
   541         // If an old content identifier exists delete it        
       
   542         if( iContentName )
       
   543             {
       
   544             delete iContentName;
       
   545             iContentName = NULL;
       
   546             }
       
   547         
       
   548         // assign the new content id
       
   549         iContentName = dataPart2;    
       
   550         }
       
   551     else
       
   552         {
       
   553         // If an old content identifier exists delete it 
       
   554         if( iContentName )
       
   555             {
       
   556             delete iContentName;
       
   557             iContentName = NULL;
       
   558             }        
       
   559         }           
       
   560 
       
   561     // Read the iAuthenticationSeed
       
   562     dataLength = aStream.ReadInt32L();
       
   563     
       
   564     if( dataLength )
       
   565         {
       
   566         // Reserve a new buffer:
       
   567         dataPart = HBufC8::NewMaxLC( dataLength );
       
   568         
       
   569         // Set the read buffer:
       
   570         dataBuffer.Set(const_cast<TUint8*>(dataPart->Ptr()), 0, dataLength);
       
   571         
       
   572         // Read the data:
       
   573         aStream.ReadL( dataBuffer );
       
   574         
       
   575         // Pop the buffer 
       
   576         CleanupStack::Pop(); // dataPart
       
   577                 
       
   578         // If an old content identifier exists delete it        
       
   579         if( iAuthenticationSeed )
       
   580             {
       
   581             delete iAuthenticationSeed;
       
   582             iAuthenticationSeed = NULL;
       
   583             }
       
   584         
       
   585         // assign the new content id
       
   586         iAuthenticationSeed = dataPart;    
       
   587         }
       
   588     else
       
   589         {
       
   590         // If an old content identifier exists delete it 
       
   591         if( iAuthenticationSeed )
       
   592             {
       
   593             delete iAuthenticationSeed;
       
   594             iAuthenticationSeed = NULL;
       
   595             }        
       
   596         }
       
   597                    
       
   598     };   
       
   599 
       
   600 // -----------------------------------------------------------------------------
       
   601 // CDRMCommonData::Size
       
   602 // -----------------------------------------------------------------------------
       
   603 // 
       
   604 TInt CDRMCommonData::Size() const
       
   605     {
       
   606     TInt size = 0;
       
   607     
       
   608     // Content identifier of the content
       
   609     size += sizeof(TInt32);
       
   610     
       
   611     if( iContentID )
       
   612         {
       
   613         size += iContentID->Size();
       
   614         }
       
   615         
       
   616     // Hash of the content DCF
       
   617     size += sizeof(TInt32);
       
   618     
       
   619     if( iContentHash )
       
   620         {
       
   621         size += iContentHash->Size();
       
   622         }
       
   623         
       
   624     // Issuer of the rights
       
   625     size += sizeof(TInt32);
       
   626     
       
   627     if( iRightsIssuer)
       
   628         {
       
   629         size += iRightsIssuer->Size();
       
   630         }
       
   631         
       
   632     // Content name
       
   633     size += sizeof(TInt32);
       
   634     
       
   635     if( iContentName )
       
   636         {
       
   637         size += iContentName->Size();
       
   638         }
       
   639     
       
   640     // Authentication seed    
       
   641     size += sizeof(TInt32);
       
   642     
       
   643     if( iAuthenticationSeed )
       
   644         {
       
   645         size += iAuthenticationSeed->Size();	
       
   646         }    
       
   647     return size;
       
   648     };    
       
   649  
       
   650 // -----------------------------------------------------------------------------
       
   651 // CDRMCommonData::ConstrutL
       
   652 // Second phase constructor
       
   653 // -----------------------------------------------------------------------------
       
   654 // 
       
   655 void CDRMCommonData::ConstructL( const TDesC8& aContentID,
       
   656                                  const TDesC8& aContentHash,
       
   657                                  const TDesC8& aRightsIssuer,
       
   658                                  const TDesC& aContentName,
       
   659                                  const TDesC8& aAuthenticationSeed )
       
   660     {
       
   661     iContentID = aContentID.AllocL();
       
   662     iContentHash = aContentHash.AllocL();
       
   663     iRightsIssuer = aRightsIssuer.AllocL();
       
   664     iContentName = aContentName.AllocL();
       
   665     iAuthenticationSeed = aAuthenticationSeed.AllocL();
       
   666     };                
       
   667             
       
   668 // End of File