omadrm/drmengine/agentv2/src/Oma2AgentRightsManager.cpp
changeset 0 95b198f216e5
child 18 8a03a285ab14
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     1 /*
       
     2 * Copyright (c) 2002-2009 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 CAF rights manager
       
    15 *
       
    16 */
       
    17 
       
    18 
       
    19 
       
    20 // INCLUDE FILES
       
    21 #include <caf/caf.h>
       
    22 #include <utf.h>
       
    23 #include "drmrights.h"
       
    24 #include "oma2agentrightsmanager.h"
       
    25 #include "drmrightsclient.h"
       
    26 #include "dcfrep.h"
       
    27 #include "dcfentry.h"
       
    28 
       
    29 using namespace ContentAccess;
       
    30 
       
    31 // ============================= LOCAL FUNCTIONS ===============================
       
    32 
       
    33 void DoDeleteAllRightsObjectsL( const TVirtualPathPtr& aVirtualPath )
       
    34     {
       
    35     RDRMRightsClient client;
       
    36     CDcfCommon* dcf = NULL;
       
    37     RFs fs;
       
    38 
       
    39     User::LeaveIfError(client.Connect());
       
    40     CleanupClosePushL(client);
       
    41     User::LeaveIfError(fs.Connect());
       
    42     User::LeaveIfError(fs.ShareAuto());    
       
    43     CleanupClosePushL(fs);
       
    44     dcf = CDcfCommon::NewL(aVirtualPath.URI(), &fs);
       
    45     CleanupStack::PushL(dcf);
       
    46     User::LeaveIfError( dcf->OpenPart(aVirtualPath.UniqueId()));
       
    47     User::LeaveIfError( client.DeleteDbEntry(*dcf->iContentID));
       
    48     CleanupStack::PopAndDestroy(3); // dcf, fs, client
       
    49     }
       
    50 
       
    51 void DoDeleteAllRightsObjects( const TVirtualPathPtr& aVirtualPath )
       
    52     {
       
    53     TRAP_IGNORE( DoDeleteAllRightsObjectsL( aVirtualPath ) );    
       
    54     }
       
    55 
       
    56 void DoDeleteRightsObjectL(
       
    57     const CRightsInfo& aRightsInfo)
       
    58     {
       
    59     RDRMRightsClient client;
       
    60     TInt uniqueId;
       
    61     HBufC8* contentId = NULL;
       
    62     TInt n;
       
    63 
       
    64     User::LeaveIfError(client.Connect());
       
    65     CleanupClosePushL(client);
       
    66     n = aRightsInfo.UniqueId().Locate(0);
       
    67     if (n == KErrNotFound)
       
    68         {
       
    69         contentId = CnvUtfConverter::ConvertFromUnicodeToUtf8L(
       
    70             aRightsInfo.UniqueId());
       
    71         CleanupStack::PushL(contentId);
       
    72         User::LeaveIfError( client.DeleteDbEntry(*contentId) );
       
    73         }
       
    74     else
       
    75         {
       
    76         contentId = CnvUtfConverter::ConvertFromUnicodeToUtf8L(
       
    77             aRightsInfo.UniqueId().Left(n));
       
    78         CleanupStack::PushL(contentId);
       
    79         TLex lex(aRightsInfo.UniqueId().Right(
       
    80             aRightsInfo.UniqueId().Length() - n - 1));
       
    81         User::LeaveIfError( lex.Val(uniqueId) );
       
    82         User::LeaveIfError( client.DeleteDbEntry(*contentId, uniqueId) );
       
    83         }
       
    84     CleanupStack::PopAndDestroy(2); // contentId, client
       
    85     }
       
    86     
       
    87 void DoDeleteRightsObject(
       
    88     const CRightsInfo& aRightsInfo)
       
    89     {
       
    90     TRAP_IGNORE( DoDeleteRightsObjectL( aRightsInfo ) );    
       
    91     }
       
    92 
       
    93 
       
    94 template<class S>
       
    95 void PointerArrayResetDestroyAndClose(TAny* aPtr)
       
    96     {
       
    97     (reinterpret_cast<RPointerArray<S>*>(aPtr))->ResetAndDestroy();
       
    98     (reinterpret_cast<RPointerArray<S>*>(aPtr))->Close();
       
    99     }
       
   100 
       
   101 TBool IsValid(
       
   102     CDRMPermission* aPermission,
       
   103     TIntent aIntent,
       
   104     TTime aTime)
       
   105     {
       
   106     TBool r = EFalse;
       
   107     CDRMConstraint* constraint;
       
   108     
       
   109     constraint = aPermission->ConstraintForIntent(aIntent);
       
   110     if (constraint != NULL && !constraint->Expired(aTime))
       
   111         {
       
   112         r = ETrue;
       
   113         }
       
   114     return r;
       
   115     }
       
   116 
       
   117 TRightsStatus PermissionStatus(
       
   118     CDRMPermission* aPermission)
       
   119     {
       
   120     TRightsStatus r = ERightsStatusNone;
       
   121     TTime time;
       
   122     
       
   123     time.HomeTime();
       
   124     if ((!(aPermission->iAvailableRights & ERightsTopLevel) ||
       
   125         !aPermission->iTopLevel->Expired(time))
       
   126         
       
   127         &&
       
   128         
       
   129         (IsValid(aPermission, EPlay, time) ||
       
   130         IsValid(aPermission, EView, time) ||
       
   131         IsValid(aPermission, EPrint, time) ||
       
   132         IsValid(aPermission, EExecute, time)))
       
   133         {
       
   134         r = ERightsStatusValid;
       
   135         }
       
   136     return r;
       
   137     }
       
   138 
       
   139 CRightsInfo* ConvertToRightsInfoL(
       
   140     CDRMPermission* aPermission,
       
   141     const TDesC8& aContentId)
       
   142     {
       
   143     TRightsTypeMask type;
       
   144     TPtr ptr(NULL, 0);
       
   145     HBufC* id = NULL;
       
   146     CRightsInfo* r = NULL;
       
   147     
       
   148     id = HBufC::NewLC(aContentId.Length() + 20);
       
   149     ptr.Set(id->Des());
       
   150     ptr.Copy(aContentId);
       
   151     ptr.SetLength(aContentId.Length());
       
   152     ptr.Append(0);
       
   153     ptr.AppendNum(aPermission->iUniqueID);
       
   154     if (aPermission->Stateful())
       
   155         {
       
   156         type = ERightsTypeConsumable;
       
   157         }
       
   158     else
       
   159         {
       
   160         type = ERightsTypeStateless;
       
   161         }
       
   162     r = CRightsInfo::NewL(KNullDesC, *id, type, PermissionStatus(aPermission));
       
   163     CleanupStack::PopAndDestroy(); // id
       
   164     return r;
       
   165     }
       
   166 
       
   167 // ============================ MEMBER FUNCTIONS ===============================
       
   168 
       
   169 // -----------------------------------------------------------------------------
       
   170 // COma2AgentRightsManager::COma2AgentRightsManager
       
   171 // C++ default constructor can NOT contain any code, that
       
   172 // might leave.
       
   173 // -----------------------------------------------------------------------------
       
   174 //
       
   175 COma2AgentRightsManager::COma2AgentRightsManager()
       
   176     {
       
   177     }
       
   178 
       
   179 // -----------------------------------------------------------------------------
       
   180 // COma2AgentRightsManager::ConstructL
       
   181 // Symbian 2nd phase constructor can leave.
       
   182 // -----------------------------------------------------------------------------
       
   183 //
       
   184 void COma2AgentRightsManager::ConstructL()
       
   185     {
       
   186     }
       
   187 
       
   188 // -----------------------------------------------------------------------------
       
   189 // COma2AgentRightsManager::NewL
       
   190 // Two-phased constructor.
       
   191 // -----------------------------------------------------------------------------
       
   192 //
       
   193 COma2AgentRightsManager* COma2AgentRightsManager::NewL()
       
   194     {
       
   195     COma2AgentRightsManager* self = new( ELeave ) COma2AgentRightsManager;
       
   196     
       
   197     CleanupStack::PushL( self );
       
   198     self->ConstructL();
       
   199     CleanupStack::Pop();
       
   200 
       
   201     return self;
       
   202     }
       
   203 
       
   204     
       
   205 // Destructor
       
   206 COma2AgentRightsManager::~COma2AgentRightsManager()
       
   207     {
       
   208     }
       
   209 
       
   210 
       
   211 // -----------------------------------------------------------------------------
       
   212 // COma2AgentRightsManager::?member_function
       
   213 // ?implementation_description
       
   214 // (other items were commented in a header).
       
   215 // -----------------------------------------------------------------------------
       
   216 //
       
   217 void COma2AgentRightsManager::ListAllRightsL(
       
   218     RStreamablePtrArray<CRightsInfo>& aArray) const
       
   219     {
       
   220     RDRMRightsClient client;
       
   221     RPointerArray<CDRMPermission> permissions;
       
   222     RPointerArray<HBufC8> idList;
       
   223     TCleanupItem permCleanup(PointerArrayResetDestroyAndClose<CDRMPermission>,
       
   224         &permissions);
       
   225     TCleanupItem idCleanup(PointerArrayResetDestroyAndClose<HBufC8>,
       
   226         &idList);
       
   227     TInt i;
       
   228     TInt j;
       
   229 
       
   230     User::LeaveIfError(client.Connect());
       
   231     CleanupClosePushL(client);
       
   232     User::LeaveIfError(client.ExportContentIDList(idList));
       
   233     CleanupStack::PushL(idCleanup);
       
   234 
       
   235     for (j = 0; j < idList.Count(); j++)
       
   236         {
       
   237         client.GetDBEntriesL(*idList[j], permissions);
       
   238         CleanupStack::PushL(permCleanup);
       
   239         for (i = 0; i < permissions.Count(); i++)
       
   240             {
       
   241             aArray.AppendL(ConvertToRightsInfoL(permissions[i], *idList[j]));
       
   242             }
       
   243         
       
   244         CleanupStack::PopAndDestroy(1); // permCleanup
       
   245         }
       
   246     CleanupStack::PopAndDestroy(2); // idCleanup, client
       
   247     }
       
   248     
       
   249 void COma2AgentRightsManager::ListRightsL(
       
   250     RStreamablePtrArray<CRightsInfo>& aArray,
       
   251     const TDesC& aUri) const
       
   252     {
       
   253     TVirtualPathPtr ptr(aUri, KDefaultContentObject);
       
   254     ListRightsL(aArray, ptr);
       
   255     }
       
   256     
       
   257 void COma2AgentRightsManager::ListRightsL(
       
   258     RStreamablePtrArray<CRightsInfo>& aArray, 
       
   259     TVirtualPathPtr& aVirtualPath) const
       
   260     {
       
   261     RPointerArray<CDRMPermission> permissions;
       
   262     RDRMRightsClient client;
       
   263     TCleanupItem listCleanup(PointerArrayResetDestroyAndClose<CDRMPermission>,
       
   264         &permissions);
       
   265     CDcfCommon* dcf = NULL;
       
   266     CDRMPermission* permission = NULL;
       
   267     RFs fs;
       
   268     TInt i;
       
   269     TInt error;
       
   270     TUint32 reason = 0;
       
   271 
       
   272     User::LeaveIfError(client.Connect());
       
   273     CleanupClosePushL(client);
       
   274     User::LeaveIfError(fs.Connect());
       
   275     User::LeaveIfError(fs.ShareAuto());    
       
   276     CleanupClosePushL(fs);
       
   277     dcf = CDcfCommon::NewL(aVirtualPath.URI(), &fs);
       
   278     if (dcf == NULL)
       
   279         {
       
   280         User::Leave(KErrArgument);
       
   281         }
       
   282     CleanupStack::PushL(dcf);
       
   283     User::LeaveIfError(dcf->OpenPart(aVirtualPath.UniqueId()));
       
   284     
       
   285     TRAP(error, permission = client.GetActiveRightsL(EUnknown, *dcf->iContentID, reason));
       
   286     if (permission != NULL)
       
   287         {
       
   288         CleanupStack::PushL(permission);
       
   289         aArray.AppendL(ConvertToRightsInfoL(permission, *dcf->iContentID));
       
   290         CleanupStack::PopAndDestroy(); // permission
       
   291         }
       
   292     
       
   293     TRAP(error, client.GetDBEntriesL(*dcf->iContentID, permissions));
       
   294     CleanupStack::PushL(listCleanup);
       
   295 
       
   296     for (i = 0; i < permissions.Count(); i++)
       
   297         {
       
   298         aArray.AppendL(ConvertToRightsInfoL(permissions[i], *dcf->iContentID));
       
   299         }
       
   300     
       
   301     CleanupStack::PopAndDestroy(4); // listCleanup, dcf, fs, client
       
   302     }
       
   303     
       
   304 void COma2AgentRightsManager::ListContentL(
       
   305     RStreamablePtrArray<CVirtualPath>& aArray,
       
   306     CRightsInfo& aRightsInfo) const
       
   307     {
       
   308     RDRMRightsClient client;
       
   309     HBufC8* contentId = NULL;
       
   310     CDcfRep* rep = NULL;
       
   311     CDcfEntry* entry = NULL;
       
   312     CVirtualPath* path = NULL;
       
   313     TInt n;
       
   314 
       
   315     User::LeaveIfError(client.Connect());
       
   316     CleanupClosePushL(client);
       
   317     n = aRightsInfo.UniqueId().Locate(0);
       
   318     if (n == KErrNotFound)
       
   319         {
       
   320         n = aRightsInfo.UniqueId().Length();
       
   321         }
       
   322     contentId = CnvUtfConverter::ConvertFromUnicodeToUtf8L(
       
   323         aRightsInfo.UniqueId().Left(n));
       
   324     CleanupStack::PushL(contentId);
       
   325     rep = CDcfRep::NewL();
       
   326     CleanupStack::PushL(rep);    
       
   327     rep->OrderListL();
       
   328     entry = rep->NextL();
       
   329     while (entry != NULL)
       
   330         {
       
   331         CleanupStack::PushL(entry);
       
   332         path = CVirtualPath::NewL(TVirtualPathPtr(entry->FileName(),
       
   333             KDefaultContentObject));
       
   334         aArray.AppendL(path);
       
   335         CleanupStack::PopAndDestroy(); // entry
       
   336         entry = rep->NextL();
       
   337         }
       
   338     
       
   339     CleanupStack::PopAndDestroy(3); // rep, contentId, client
       
   340     }
       
   341     
       
   342 MAgentRightsBase* COma2AgentRightsManager::GetRightsDataL(
       
   343     const CRightsInfo& aRightsInfo) const
       
   344     {
       
   345     RDRMRightsClient client;
       
   346     CDRMPermission* permission = NULL;
       
   347     TInt uniqueId;
       
   348     HBufC8* contentId = NULL;
       
   349     CDRMRights* rights = NULL;
       
   350     CDRMAsset* asset = NULL;
       
   351     TInt n;
       
   352 
       
   353     User::LeaveIfError(client.Connect());
       
   354     CleanupClosePushL(client);
       
   355     rights = CDRMRights::NewL();
       
   356     CleanupStack::PushL(rights);
       
   357     n = aRightsInfo.UniqueId().Locate(0);
       
   358     contentId = CnvUtfConverter::ConvertFromUnicodeToUtf8L(
       
   359         aRightsInfo.UniqueId().Left(n));
       
   360     CleanupStack::PushL(contentId);
       
   361     TLex lex(aRightsInfo.UniqueId().Right(
       
   362         aRightsInfo.UniqueId().Length() - n - 1));
       
   363     User::LeaveIfError(lex.Val(uniqueId));
       
   364     permission = client.GetDbEntryL(*contentId, uniqueId);
       
   365     if (permission != NULL)
       
   366         {
       
   367         CleanupStack::PushL(permission);
       
   368         asset = CDRMAsset::NewL();
       
   369         CleanupStack::PushL(asset);
       
   370         asset->iUid = contentId->AllocL();
       
   371         if (permission->iParentUID)
       
   372             {
       
   373             asset->iParentRights = permission->iParentUID->AllocL();
       
   374             }
       
   375         rights->SetPermissionL(*permission);
       
   376         rights->SetAssetL(*asset);
       
   377         CleanupStack::PopAndDestroy(2); // asset, permission
       
   378         }
       
   379     CleanupStack::Pop(); // rights
       
   380     CleanupStack::PopAndDestroy(2); // contentId, client
       
   381     
       
   382     return rights;
       
   383     }
       
   384     
       
   385 TInt COma2AgentRightsManager::DeleteRightsObject(
       
   386     const CRightsInfo& aRightsInfo)
       
   387     {
       
   388     TInt error = KErrNone;
       
   389 		TRAP( error, DoDeleteRightsObject(aRightsInfo));
       
   390 		return error;
       
   391     }
       
   392     
       
   393 TInt COma2AgentRightsManager::DeleteAllRightsObjects(
       
   394     const TVirtualPathPtr& aVirtualPath)
       
   395     {
       
   396     TInt error = KErrNone;
       
   397 		TRAP( error, DoDeleteAllRightsObjectsL(aVirtualPath));
       
   398 		return error;
       
   399     }
       
   400     
       
   401 TInt COma2AgentRightsManager::SetProperty(
       
   402     TAgentProperty /*aProperty*/,
       
   403     TInt /*aValue*/)
       
   404     {
       
   405     return KErrCANotSupported;
       
   406     }
       
   407 
       
   408 
       
   409