Set content disposition header earlier, otherwise the streaming servers don't get it

Author: mhugent

src/server/qgsserver.cpp

@@ -528,6 +528,14 @@ QByteArray QgsServer::handleRequest( const QString queryString ,
     }
   }
 
+  //possibility for client to suggest a download filename
+  QString outputFileName = theRequestHandler->parameter( "FILE_NAME" );
+  if ( !outputFileName.isEmpty() )
+  {
+    theRequestHandler->setDefaultHeaders();
+    theRequestHandler->setHeader( "Content-Disposition", "attachment; filename=\"" + outputFileName + "\"" );
+  }
+
   // Enter core services main switch
   if ( !theRequestHandler->exceptionRaised() )
   {
@@ -584,14 +592,6 @@ QByteArray QgsServer::handleRequest( const QString queryString ,
   }
 #endif
 
-  //possibility for client to suggest a download filename
-  QString outputFileName = theRequestHandler->parameter( "FILE_NAME" );
-  if ( !outputFileName.isEmpty() )
-  {
-    theRequestHandler->setDefaultHeaders();
-    theRequestHandler->setHeader( "Content-Disposition", "attachment; filename=\"" + outputFileName + "\"" );
-  }
-
   theRequestHandler->sendResponse();
 
   if ( logLevel < 1 )