upnpmediaserver/contentdirectoryservice/src/dlna/upnphttpfilereceivetransaction.cpp
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     1 /** @file
       
     2  * Copyright (c) 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:  CUpnpHttpFileReceiveTransaction implementation.
       
    15  *
       
    16  */     
       
    17 
       
    18 #include <bautils.h> 
       
    19 #include "upnphttpfilereceivetransaction.h"
       
    20 #include "upnpdlnafilter.h"
       
    21 #include "upnpdlnafilterheaders.h"
       
    22 #include "upnperrors.h"
       
    23 #include "upnpcons.h"
       
    24 
       
    25 // ---------------------------------------------------------------------------
       
    26 // CUpnpHttpFileReceiveTransaction::NewL
       
    27 // 
       
    28 // ---------------------------------------------------------------------------
       
    29 //
       
    30 CUpnpHttpFileReceiveTransaction* CUpnpHttpFileReceiveTransaction::NewL( 
       
    31         CUpnpDlnaFilter& aClientContext, const TInetAddr& aSender, const TDesC8& aUri )
       
    32     {
       
    33     CUpnpHttpFileReceiveTransaction* self = 
       
    34         new (ELeave) CUpnpHttpFileReceiveTransaction( aClientContext );
       
    35     CleanupStack::PushL( self );
       
    36     self->ConstructL( aSender, aUri );
       
    37     CleanupStack::Pop( self );
       
    38     return self;
       
    39     }
       
    40 
       
    41 // ---------------------------------------------------------------------------
       
    42 // CUpnpHttpFileServeTransaction::ConstructL
       
    43 // 
       
    44 // ---------------------------------------------------------------------------
       
    45 //
       
    46 void CUpnpHttpFileReceiveTransaction::ConstructL( 
       
    47     const TInetAddr& aSender, const TDesC8& aSenderUri )
       
    48     {
       
    49     iFilterHeaders = CUpnpDlnaFilterHeaders::NewL( );
       
    50     iSender = aSender;
       
    51     iSenderUri = aSenderUri.AllocL();
       
    52     }
       
    53 
       
    54 // ---------------------------------------------------------------------------
       
    55 // CUpnpHttpFileReceiveTransaction::CUpnpHttpFileReceiveTransaction
       
    56 // 
       
    57 // ---------------------------------------------------------------------------
       
    58 //
       
    59 CUpnpHttpFileReceiveTransaction::CUpnpHttpFileReceiveTransaction(
       
    60         CUpnpDlnaFilter& aClientContext ) :
       
    61     iClientContext(aClientContext)
       
    62     {
       
    63     }
       
    64         
       
    65 // ---------------------------------------------------------------------------
       
    66 // CUpnpHttpFileReceiveTransaction::~CUpnpHttpFileReceiveTransaction
       
    67 // 
       
    68 // ---------------------------------------------------------------------------
       
    69 //
       
    70 CUpnpHttpFileReceiveTransaction::~CUpnpHttpFileReceiveTransaction()
       
    71     {
       
    72     delete iFilterHeaders;
       
    73     delete iSenderUri;
       
    74     }
       
    75 
       
    76 // ---------------------------------------------------------------------------
       
    77 // CUpnpHttpFileReceiveTransaction::OnCallbackL
       
    78 // 
       
    79 // ---------------------------------------------------------------------------
       
    80 //    
       
    81 const TDesC8& CUpnpHttpFileReceiveTransaction::SenderUri()
       
    82     {
       
    83     return *iSenderUri;
       
    84     }
       
    85 
       
    86 // ---------------------------------------------------------------------------
       
    87 // CUpnpHttpFileReceiveTransaction::FilterHeaders
       
    88 // 
       
    89 // ---------------------------------------------------------------------------
       
    90 //
       
    91 CUpnpDlnaFilterHeaders& CUpnpHttpFileReceiveTransaction::FilterHeaders()
       
    92     {
       
    93     return *iFilterHeaders;
       
    94     }
       
    95 
       
    96 // ---------------------------------------------------------------------------
       
    97 // CUpnpHttpFileReceiveTransaction::OnCallbackL
       
    98 // 
       
    99 // ---------------------------------------------------------------------------
       
   100 //
       
   101 void CUpnpHttpFileReceiveTransaction::OnCallbackL( TUpnpHttpServerEvent aEvent )
       
   102     {
       
   103     TRAPD( err, DoCallbackL( aEvent ) );
       
   104     if ( err )
       
   105         {
       
   106         SetHttpCode( err );
       
   107         }
       
   108     }
       
   109 
       
   110 // ---------------------------------------------------------------------------
       
   111 // CUpnpHttpFileReceiveTransaction::DoCallbackL
       
   112 // 
       
   113 // ---------------------------------------------------------------------------
       
   114 //
       
   115 void CUpnpHttpFileReceiveTransaction::DoCallbackL( TUpnpHttpServerEvent aEvent )
       
   116     {
       
   117     switch ( aEvent )
       
   118         {
       
   119         case EOnRequestStart:
       
   120             {
       
   121             iFileName.Zero();
       
   122             InitializeFilterHeadersL();
       
   123             User::LeaveIfError(  iClientContext.CheckDLNAPostCorrelationsL(
       
   124                                           *this ) );
       
   125             
       
   126             HBufC* fileNameBuf = iClientContext.DetermineDownloadPathL( *this );           
       
   127             if ( fileNameBuf )
       
   128                 { 
       
   129                 CleanupStack::PushL( fileNameBuf );
       
   130                 
       
   131                 RFile file;
       
   132                 if ( file.Open( iClientContext.FileSession(),
       
   133                                 *fileNameBuf,
       
   134                                 EFileWrite ) == KErrNone ) 
       
   135                     {
       
   136                     SetDataSinkL( file );
       
   137                     SetHttpCode( iClientContext.AuthorizeRequestL( *fileNameBuf, iSender ) );
       
   138                     }
       
   139                 else
       
   140                     {
       
   141                     BaflUtils::EnsurePathExistsL( iClientContext.FileSession(),
       
   142                                                    fileNameBuf->Des() );
       
   143                     if ( file.Create( iClientContext.FileSession(),
       
   144                                                     *fileNameBuf ,
       
   145                                                     EFileWrite ) != KErrNone ) 
       
   146                         {
       
   147                         SetHttpCode( -EHttpNotFound );
       
   148                         }
       
   149                     else
       
   150                         {
       
   151                         SetDataSinkL( file );
       
   152                         SetHttpCode( iClientContext.AuthorizeRequestL( *fileNameBuf, iSender ) );
       
   153                         iFileName.Copy( *fileNameBuf );
       
   154                         }
       
   155                     }
       
   156                 CleanupStack::PopAndDestroy( fileNameBuf );
       
   157                 } 
       
   158             else
       
   159                 {
       
   160                 SetHttpCode( -EHttpNotFound );
       
   161                 }
       
   162             
       
   163             break;
       
   164             }
       
   165         case EOnComplete:
       
   166             break;    
       
   167         default:
       
   168             break;
       
   169         }            
       
   170     }
       
   171 
       
   172 void CUpnpHttpFileReceiveTransaction::InitializeFilterHeadersL()
       
   173     {
       
   174     //Copy current KHdrContentFeatures and KHdrTransferMode to filterHeaders
       
   175     if ( QueryRequestHeader( UpnpDLNA::KHdrContentFeatures ).Length() > 0 )
       
   176         {
       
   177         iFilterHeaders->AddHeaderL( UpnpDLNA::KHdrContentFeatures,
       
   178                 QueryRequestHeader( UpnpDLNA::KHdrContentFeatures ) );            
       
   179         }
       
   180     if ( QueryRequestHeader( UpnpDLNA::KHdrTransferMode ).Length() > 0 )
       
   181         {
       
   182         iFilterHeaders->AddHeaderL( UpnpDLNA::KHdrTransferMode,
       
   183                 QueryRequestHeader( UpnpDLNA::KHdrTransferMode ) );            
       
   184         }
       
   185     }
       
   186