--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/upnpmediaserver/mediaserverengine/src/upnpmediaserverdescriptionprovider.cpp	Thu Dec 17 08:52:00 2009 +0200
@@ -0,0 +1,281 @@
+/** @file
+* Copyright (c) 2009 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:  CUpnpMediaServerDescriptionProvider implementation
+*
+*/
+
+#include "upnpmediaserverdescriptionprovider.h"
+#include "upnpsecuritymanager.h"
+#include "upnpfileutils.h"
+#include "upnpstring.h"
+#include "upnpcons.h"
+#include "upnphttpmessage.h"
+#include "upnpdevicedescriptionrequest.h"
+
+// CONSTANTS
+
+// -----------------------------------------------------------------------------
+//  TBufC8Hash
+//  Hash function for RHashMap.
+// -----------------------------------------------------------------------------
+TUint32 TBufC8Hash( const TBufC8<KMaxUriLength>& aPtr )
+    {
+    return DefaultHash::Des8( aPtr );
+    }
+
+// -----------------------------------------------------------------------------
+//  TBufC8Ident
+//  Identity function for RHashMap.
+// -----------------------------------------------------------------------------
+TBool TBufC8Ident( const TBufC8<KMaxUriLength>& aFirst, 
+                   const TBufC8<KMaxUriLength>& aSecond )
+    {
+    return DefaultIdentity::Des8( aFirst, aSecond );
+    }
+
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::CUpnpMediaServerDescriptionProvider
+//
+// -----------------------------------------------------------------------------
+//
+CUpnpMediaServerDescriptionProvider::CUpnpMediaServerDescriptionProvider()
+    : iUriMap( &TBufC8Hash, &TBufC8Ident )
+    {
+    // No implementation required
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::~CUpnpMediaServerDescriptionProvider
+//
+// -----------------------------------------------------------------------------
+//
+CUpnpMediaServerDescriptionProvider::~CUpnpMediaServerDescriptionProvider()
+    {
+    iFs.Close();
+    delete iSecurityManager;
+    iUriMap.Close();
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::NewLC
+//
+// -----------------------------------------------------------------------------
+//
+CUpnpMediaServerDescriptionProvider* CUpnpMediaServerDescriptionProvider::NewLC()
+    {
+    CUpnpMediaServerDescriptionProvider* self =
+            new (ELeave) CUpnpMediaServerDescriptionProvider();
+    CleanupStack::PushL(self);
+    self->ConstructL();
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::NewL
+//
+// -----------------------------------------------------------------------------
+//
+CUpnpMediaServerDescriptionProvider* CUpnpMediaServerDescriptionProvider::NewL()
+    {
+    CUpnpMediaServerDescriptionProvider* self =
+            CUpnpMediaServerDescriptionProvider::NewLC();
+    CleanupStack::Pop(); // self;
+    return self;
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::ConstructL
+//
+// -----------------------------------------------------------------------------
+//
+void CUpnpMediaServerDescriptionProvider::ConstructL()
+    {
+    User::LeaveIfError( iFs.Connect() );        
+    iSecurityManager = CUpnpSecurityManager::NewInstanceFromUpnpSettingsL();
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::AddUriToFileMapL
+//
+// -----------------------------------------------------------------------------
+//
+void CUpnpMediaServerDescriptionProvider::AddUriToFileMapL( const TDesC8& aUri, 
+                                                            const TDesC16& aFile )
+    {
+    HBufC8* buf = HBufC8::NewLC( aUri.Length() );
+    buf->Des().CopyLC( aUri ); // change to lower characters
+
+    iUriMap.InsertL( buf->Des().Left( KMaxUriLength ), aFile );
+    
+    CleanupStack::PopAndDestroy( buf );
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::RemoveUriToFileMapL
+//
+// -----------------------------------------------------------------------------
+//
+void CUpnpMediaServerDescriptionProvider::RemoveUriToFileMapL( const TDesC8& aUri )
+    {
+    HBufC8* buf = HBufC8::NewLC( aUri.Length() );
+    buf->Des().CopyLC( aUri ); // change to lower characters
+
+    iUriMap.Remove( buf->Des() );
+    
+    CleanupStack::PopAndDestroy( buf );
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::OnDeviceDescription
+//
+// -----------------------------------------------------------------------------
+//
+TInt CUpnpMediaServerDescriptionProvider::OnDeviceDescription( 
+                                           CUpnpDeviceDescriptionRequest& aRequest )
+    {
+    return OnRequest( aRequest );
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::OnServiceDescription
+//
+// -----------------------------------------------------------------------------
+//
+TInt CUpnpMediaServerDescriptionProvider::OnServiceDescription( 
+                                           CUpnpDeviceDescriptionRequest& aRequest )
+    {
+    return OnRequest( aRequest );
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::OnIcon
+//
+// -----------------------------------------------------------------------------
+//
+TInt CUpnpMediaServerDescriptionProvider::OnIcon( CUpnpDeviceDescriptionRequest& aRequest )
+    {
+    return OnRequest( aRequest );
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::GetFile
+//
+// -----------------------------------------------------------------------------
+//
+TInt CUpnpMediaServerDescriptionProvider::GetFile( const TDesC8& aUri, RFile& aFile )
+    {    
+    TRAPD( error, GetFileFromUriL( aUri, iFileName ) );
+    if ( error != KErrNone )
+        {
+        return error;
+        }
+    
+    return aFile.Open( iFs, iFileName, EFileShareReadersOnly | EFileRead );  
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::OnRequestL
+//
+// -----------------------------------------------------------------------------
+//
+TInt CUpnpMediaServerDescriptionProvider::OnRequest( CUpnpDeviceDescriptionRequest& aRequest )
+    {
+    TInetAddr addr;
+    aRequest.InetAddress( addr );
+
+    TRAPD( error, GetFileFromUriL( aRequest.Uri(), iFileName ) );
+    
+    if ( KErrNone == error )
+        {
+        if ( 0 == iFileName.Length() )
+            {
+            return KErrNotFound;
+            }
+        else
+            {
+            TRAP( error, AuthorizeRequestL( iFileName, addr ) );
+            }
+        }
+    
+    return error;            
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::ExtractPathAndFileFromUriL
+//
+// -----------------------------------------------------------------------------
+//
+HBufC8* CUpnpMediaServerDescriptionProvider::ExtractPathAndFileFromUriL( const TDesC8& aUri )
+    {
+    TPtrC8 fileName;
+    TInt parseError;
+    TPtrC8 urlPath = UpnpFileUtil::ExtractUrlPath( aUri, fileName, parseError);
+    User::LeaveIfError( parseError );
+    
+    HBufC8* buf = HBufC8::NewLC( urlPath.Length() + fileName.Length() + 
+                                 2 * UpnpString::KSlash().Length() );
+    buf->Des().Copy( UpnpString::KSlash() );
+    buf->Des().Append( urlPath );
+    buf->Des().Append( UpnpString::KSlash() );
+    buf->Des().Append( fileName );
+    
+    HBufC8* buf2 = HBufC8::NewL( buf->Length() );
+    buf2->Des().CopyLC( buf->Des() );   // convert to lower characters
+    CleanupStack::PopAndDestroy( buf );
+    
+    return buf2;
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::GetFileFromUriL
+//
+// -----------------------------------------------------------------------------
+//
+void CUpnpMediaServerDescriptionProvider::GetFileFromUriL( const TDesC8& aUri, TDes& aPath )
+    {
+    HBufC8* pathAndFile = ExtractPathAndFileFromUriL( aUri );
+    
+    TFileName* file = iUriMap.Find( pathAndFile->Des() );
+    
+    delete pathAndFile;
+    pathAndFile = NULL;
+    
+    if ( !file )
+        {
+        User::Leave( KErrNotFound );
+        }
+    
+    aPath.Copy( *file );
+    }
+
+// -----------------------------------------------------------------------------
+//  CUpnpMediaServerDescriptionProvider::AuthorizeRequestL
+//
+// -----------------------------------------------------------------------------
+//
+void CUpnpMediaServerDescriptionProvider::AuthorizeRequestL(
+    const TDesC& aFileName, const TInetAddr& aSender )
+    {
+    CUpnpHttpMessage* tempMessage = CUpnpHttpMessage::NewL( aSender );
+    CleanupStack::PushL( tempMessage );
+    if ( iSecurityManager
+            && iSecurityManager->AuthorizeMessage( tempMessage,
+                    (TFileName&) aFileName  ) != KErrNone )
+        { //not showing why resource is refused
+        User::Leave( -EHttpNotFound );
+        }
+    CleanupStack::PopAndDestroy( tempMessage );
+    }
+