omadrm/drmhelper/drmhelperserver/src/DRMHelperSession.cpp
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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:  Implementation of the Helper Server session functionality 
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 // INCLUDE FILES
       
    20 #include <e32std.h>
       
    21 #include <f32file.h>
       
    22 #include "DRMHelperCommon.h"
       
    23 #include "DRMHelperServer.h"
       
    24 #include "DRMHelperSession.h"
       
    25 
       
    26 
       
    27 
       
    28 // LOCAL CONSTANTS AND MACROS
       
    29 #define SERVER const_cast< CDRMHelperServer* >( \
       
    30     reinterpret_cast< const CDRMHelperServer* >( Server() ) )
       
    31 
       
    32 
       
    33 // ============================ LOCAL FUNCTIONS ===============================
       
    34 #ifdef _DRM_TESTING
       
    35 LOCAL_C void WriteDownLogL( const TDesC8& text , RFs &aFs );
       
    36 LOCAL_C void WriteFileL( const TDesC8& text , RFs &aFs , const TDesC& aName );
       
    37 LOCAL_C void CreateLogL();
       
    38 LOCAL_C void WriteDownL( const TDesC& aText );
       
    39 LOCAL_C void WriteDownL( const TDesC8& aText );
       
    40 LOCAL_C void WriteCurrentTimeL();
       
    41 #endif
       
    42 
       
    43 // ============================ MEMBER FUNCTIONS ===============================
       
    44 
       
    45 // -----------------------------------------------------------------------------
       
    46 // CDRMHelperSession::CDRMHelperSession
       
    47 // Default constructor.
       
    48 // -----------------------------------------------------------------------------
       
    49 //
       
    50 CDRMHelperSession::CDRMHelperSession()
       
    51     // Base class' constructor is called first.
       
    52     : CSession2() 
       
    53     {
       
    54     // Nothing.
       
    55     }
       
    56 
       
    57 // -----------------------------------------------------------------------------
       
    58 // CDRMHelperSession::NewLC
       
    59 // Two-phased constructor.
       
    60 // -----------------------------------------------------------------------------
       
    61 //
       
    62 CDRMHelperSession* CDRMHelperSession::NewL()
       
    63     {
       
    64     CDRMHelperSession* self = new( ELeave ) CDRMHelperSession();
       
    65     CleanupStack::PushL( self );
       
    66 #ifdef _DRM_TESTING
       
    67     CreateLogL();
       
    68 #endif
       
    69     CleanupStack::Pop(self); // self
       
    70     return self;
       
    71     }
       
    72 
       
    73 // -----------------------------------------------------------------------------
       
    74 // CDRMHelperSession::~CDRMHelperSession
       
    75 // Destructor.
       
    76 // -----------------------------------------------------------------------------
       
    77 //
       
    78 CDRMHelperSession::~CDRMHelperSession()
       
    79     {
       
    80     TInt err = KErrNone;	
       
    81     TRAP(err , SERVER->StoreL());
       
    82     // remove warning, and enable logging in the future
       
    83 		if( err ) {
       
    84 			err = KErrNone;
       
    85 	  }
       
    86 #ifdef _DRM_TESTING
       
    87     TRAP( err , WriteDownL(_L("destructor")) );
       
    88     TRAP( err , WriteCurrentTimeL() );
       
    89 #endif
       
    90     }
       
    91 
       
    92 
       
    93 
       
    94 // -----------------------------------------------------------------------------
       
    95 // CDRMHelperSession::ServiceL
       
    96 // This method runs DispatchL() under TRAP harness, since every error case
       
    97 // can be handled ==> no need to let this function leave.
       
    98 // -----------------------------------------------------------------------------
       
    99 //
       
   100 void CDRMHelperSession::ServiceL( const RMessage2& aMessage )
       
   101     {
       
   102     
       
   103 #ifdef _DRM_TESTING
       
   104     WriteDownL(_L("ServiceL"));
       
   105     WriteCurrentTimeL();
       
   106 #endif
       
   107     
       
   108     // Trap possible errors...
       
   109     TRAPD( error, DispatchL( aMessage ) );
       
   110     
       
   111     if ( error )
       
   112         {
       
   113         aMessage.Complete( error );
       
   114         return;
       
   115         }
       
   116     }
       
   117 
       
   118 
       
   119 
       
   120 // -----------------------------------------------------------------------------
       
   121 // CDRMHelperSession::DispatchL
       
   122 // Checks which command the user requested, and forwards the request to 
       
   123 // appropriate private method. This helps to keep the code more readable.
       
   124 // -----------------------------------------------------------------------------
       
   125 //
       
   126 void CDRMHelperSession::DispatchL( const RMessage2& aMessage ) 
       
   127     {
       
   128 #ifdef _DRM_TESTING
       
   129     WriteDownL(_L("DispatchL"));
       
   130     WriteCurrentTimeL();
       
   131 #endif
       
   132     switch ( aMessage.Function() )
       
   133         {
       
   134         case ERegister:
       
   135             RegisterL( aMessage );
       
   136             break;
       
   137         case ERemove:
       
   138             RemoveL( aMessage );
       
   139             break;
       
   140         case EIndicateIdle:
       
   141             IndicateIdleL( aMessage );
       
   142             break;
       
   143         case EIsRegistered:
       
   144             IsRegisteredL( aMessage );
       
   145             break;
       
   146         default:
       
   147             User::Leave( KErrNotSupported );
       
   148         }
       
   149     }
       
   150 
       
   151 // -----------------------------------------------------------------------------
       
   152 // CDRMHelperSession::RegisterL
       
   153 // Register the content URI into helper server
       
   154 // -----------------------------------------------------------------------------
       
   155 //
       
   156 void CDRMHelperSession::RegisterL( const RMessage2& aMessage ) 
       
   157     {
       
   158 #ifdef _DRM_TESTING
       
   159     WriteDownL(_L("RegisterL"));
       
   160     WriteCurrentTimeL();
       
   161 #endif
       
   162 
       
   163     TInt size = 0;
       
   164     TInt permType = aMessage.Int0();
       
   165     TInt regType = aMessage.Int1();
       
   166     TInt autoType = aMessage.Int2();
       
   167     
       
   168     HBufC8* cid = NULL;
       
   169     TPtr8 data( NULL , 0 , 0 );
       
   170 
       
   171     size = User::LeaveIfError( aMessage.GetDesLength( 3 ) );
       
   172     if (size==0)
       
   173         {
       
   174         aMessage.Complete( KErrArgument );
       
   175         return;
       
   176         }
       
   177 
       
   178 #ifdef _DRM_TESTING
       
   179     _LIT( KSize , "size = %d");
       
   180     TBuf<20> sizeBuf;
       
   181     sizeBuf.Format(KSize ,  size);
       
   182     WriteDownL(sizeBuf);
       
   183     WriteCurrentTimeL();
       
   184 #endif
       
   185 
       
   186     cid = HBufC8::NewLC( size );
       
   187     data.Set( cid->Des() );
       
   188     aMessage.ReadL( 3, data );
       
   189 
       
   190 #ifdef _DRM_TESTING
       
   191     WriteDownL(data);
       
   192     WriteCurrentTimeL();
       
   193 #endif
       
   194 
       
   195     SERVER->RegisterL( data , permType , regType , autoType );
       
   196     SERVER->StoreL();
       
   197 
       
   198     CleanupStack::PopAndDestroy( cid );
       
   199     aMessage.Complete( KErrNone );
       
   200     }
       
   201 
       
   202 
       
   203 // -----------------------------------------------------------------------------
       
   204 // CDRMHelperSession::RemoveL
       
   205 // Unregister the content URI into helper server
       
   206 // -----------------------------------------------------------------------------
       
   207 //
       
   208 void CDRMHelperSession::RemoveL( const RMessage2& aMessage ) 
       
   209     {
       
   210 #ifdef _DRM_TESTING
       
   211     WriteDownL(_L("RemoveL"));
       
   212     WriteCurrentTimeL();
       
   213 #endif
       
   214     TInt size = 0;
       
   215     TInt permType = aMessage.Int0();
       
   216     TInt regType = aMessage.Int1();
       
   217     TInt autoType = aMessage.Int2();
       
   218     HBufC8* cid = NULL;
       
   219     TPtr8 data( NULL , 0 , 0 );
       
   220     size = User::LeaveIfError( aMessage.GetDesLength( 3 ) );
       
   221     if (size==0)
       
   222         {
       
   223         aMessage.Complete( KErrArgument );
       
   224         return;
       
   225         }
       
   226     cid = HBufC8::NewLC( size );
       
   227     data.Set( cid->Des() );
       
   228     aMessage.ReadL( 3, data );
       
   229     
       
   230     // If this is execute, means we are using a pip file, unregister all other types as well
       
   231     if( permType == 3 )
       
   232         {
       
   233         // EPlay
       
   234         SERVER->RemoveL( data , 1 , regType , autoType );
       
   235         // EDisplay
       
   236         SERVER->RemoveL( data , 2 , regType , autoType );               
       
   237         }
       
   238     
       
   239     
       
   240     SERVER->RemoveL( data , permType , regType , autoType );
       
   241     SERVER->StoreL();
       
   242     CleanupStack::PopAndDestroy( cid );
       
   243     aMessage.Complete( KErrNone );
       
   244     }
       
   245 
       
   246 
       
   247 // -----------------------------------------------------------------------------
       
   248 // CDRMHelperSession::IndicateIdleL
       
   249 // Unregister the content URI into helper server
       
   250 // -----------------------------------------------------------------------------
       
   251 //
       
   252 void CDRMHelperSession::IndicateIdleL( const RMessage2& aMessage ) 
       
   253     {
       
   254 #ifdef _DRM_TESTING
       
   255     WriteDownL(_L("IndicateIdleL"));
       
   256     WriteCurrentTimeL();
       
   257 #endif
       
   258     SERVER->HandleIdleL();
       
   259     aMessage.Complete( KErrNone );
       
   260     }
       
   261 
       
   262 
       
   263 // -----------------------------------------------------------------------------
       
   264 // CDRMHelperSession::IsRegisteredL
       
   265 // check if content is registered or not
       
   266 // -----------------------------------------------------------------------------
       
   267 //
       
   268 void CDRMHelperSession::IsRegisteredL( const RMessage2& aMessage ) 
       
   269     {
       
   270 #ifdef _DRM_TESTING
       
   271     WriteDownL(_L("IsRegisteredL"));
       
   272     WriteCurrentTimeL();
       
   273 #endif
       
   274 
       
   275     TInt size = 0;
       
   276     TInt permType = aMessage.Int0();
       
   277     TInt regType = aMessage.Int1();
       
   278     TInt autoType = aMessage.Int2();
       
   279     HBufC8* cid = NULL;
       
   280     TPtr8 data( NULL , 0 , 0 );
       
   281     TBool mark = EFalse;
       
   282     TPtr8 ptr(NULL,0,0);
       
   283     size = User::LeaveIfError( aMessage.GetDesLength( 3 ) );
       
   284     if (size==0)
       
   285         {
       
   286         aMessage.Complete( KErrArgument );
       
   287         return;
       
   288         }
       
   289 
       
   290 
       
   291 #ifdef _DRM_TESTING
       
   292     _LIT( KSize , "size = %d");
       
   293     TBuf<20> sizeBuf;
       
   294     sizeBuf.Format(KSize ,  size);
       
   295     WriteDownL(sizeBuf);
       
   296     WriteCurrentTimeL();
       
   297 #endif
       
   298 
       
   299     cid = HBufC8::NewLC( size );
       
   300     data.Set( cid->Des() );
       
   301     aMessage.ReadL( 3, data );
       
   302 
       
   303 #ifdef _DRM_TESTING
       
   304     WriteDownL(data);
       
   305     WriteCurrentTimeL();
       
   306 #endif
       
   307     mark = SERVER->IsRegistered2( data , regType , autoType  );
       
   308 
       
   309     CleanupStack::PopAndDestroy( cid );
       
   310 
       
   311     aMessage.Complete( mark );
       
   312     }
       
   313 
       
   314 
       
   315 
       
   316 #ifdef _DRM_TESTING
       
   317 
       
   318 LOCAL_C void WriteDownLogL( const TDesC8& text , RFs &aFs )
       
   319     {
       
   320     _LIT( KLogFile , "c:\\HSSessionLog.txt" );
       
   321     WriteFileL( text , aFs , KLogFile );
       
   322     }
       
   323 
       
   324 LOCAL_C void WriteFileL( const TDesC8& text , RFs &aFs , const TDesC& aName )
       
   325     {
       
   326     RFile file;
       
   327     TInt size;
       
   328     User::LeaveIfError( file.Open( aFs, aName , EFileWrite ) );
       
   329     CleanupClosePushL( file );
       
   330     User::LeaveIfError( file.Size( size ) );
       
   331     User::LeaveIfError( file.Write( size, text ) );
       
   332     CleanupStack::PopAndDestroy(&file); //file
       
   333     }
       
   334 
       
   335 LOCAL_C void CreateLogL()
       
   336     {
       
   337     RFs fs;
       
   338     User::LeaveIfError(fs.Connect());
       
   339     CleanupClosePushL(fs);
       
   340     RFile file;
       
   341     User::LeaveIfError( file.Replace( fs , _L("c:\\HSSessionLog.txt") , EFileWrite ) );
       
   342     file.Close();
       
   343     CleanupStack::PopAndDestroy(&fs); //fs
       
   344     }
       
   345 
       
   346 LOCAL_C void WriteDownL( const TDesC& aText )
       
   347     {
       
   348     RFs fs;
       
   349     User::LeaveIfError( fs.Connect() );
       
   350     CleanupClosePushL(fs);
       
   351     HBufC8* text = HBufC8::NewLC(1000);
       
   352     TPtr8 textptr(text->Des() );
       
   353     textptr.Append( aText );
       
   354     textptr.Append( _L("\r\n") );
       
   355     WriteDownLogL(textptr , fs);
       
   356     CleanupStack::PopAndDestroy(text);
       
   357     CleanupStack::PopAndDestroy(&fs); //fs
       
   358     }
       
   359 
       
   360 LOCAL_C void WriteDownL( const TDesC8& aText )
       
   361     {
       
   362     RFs fs;
       
   363     User::LeaveIfError( fs.Connect() );
       
   364     CleanupClosePushL(fs);
       
   365     HBufC8* text = HBufC8::NewLC(1000);
       
   366     TPtr8 textptr(text->Des() );
       
   367     textptr.Append( aText );
       
   368     textptr.Append( _L8("\r\n") );
       
   369     WriteDownLogL(textptr , fs);
       
   370     CleanupStack::PopAndDestroy(text);
       
   371     CleanupStack::PopAndDestroy(&fs); //fs
       
   372     }
       
   373 
       
   374 
       
   375 LOCAL_C void WriteCurrentTimeL()
       
   376     {
       
   377     RFs fs;
       
   378     User::LeaveIfError( fs.Connect() );
       
   379     CleanupClosePushL(fs);
       
   380     HBufC8* text = HBufC8::NewLC(100);
       
   381     TPtr8 textptr(text->Des() );
       
   382 // Date and Time display
       
   383     TTime time;
       
   384     time.HomeTime();
       
   385     TBuf<256> dateString;
       
   386     _LIT(KDate,"%*E%*D%X%*N%*Y %1 %2 '%3");
       
   387     time.FormatL(dateString,KDate);
       
   388     textptr.Append(_L( "\r\n\t\tData:\t" ) );
       
   389     textptr.Append( dateString );
       
   390     _LIT(KTime,"%-B%:0%J%:1%T%:2%S%:3%+B");
       
   391     time.FormatL(dateString,KTime);
       
   392     textptr.Append(_L( "\r\n\t\tTime:\t" ) );
       
   393     textptr.Append( dateString );
       
   394     textptr.Append(_L( "\r\n" ) );
       
   395     textptr.Append(_L( "\r\n" ) );
       
   396     WriteDownLogL(textptr , fs);
       
   397     CleanupStack::PopAndDestroy(text);
       
   398     CleanupStack::PopAndDestroy(&fs); //fs
       
   399     }
       
   400 #endif
       
   401 
       
   402 //  End of File