Resolve error where an unknown asset type would cause the fetch inventory descendents cap to fail.

Introduced just a few commits ago in 0688861

OpenSim/Capabilities/Handlers/WebFetchInventoryDescendents/WebFetchInvDescHandler.cs

@@ -42,7 +42,6 @@ using Caps = OpenSim.Framework.Capabilities.Caps;
 
 namespace OpenSim.Capabilities.Handlers
 {
-
     public class WebFetchInvDescHandler 
     {
         private static readonly ILog m_log =
@@ -60,39 +59,40 @@ namespace OpenSim.Capabilities.Handlers
 
         public string FetchInventoryDescendentsRequest(string request, string path, string param, OSHttpRequest httpRequest, OSHttpResponse httpResponse)
         {
-//            m_log.DebugFormat("[WEB FETCH INV DESC HANDLER]: Received request");
-
-            // nasty temporary hack here, the linden client falsely
-            // identifies the uuid 00000000-0000-0000-0000-000000000000
-            // as a string which breaks us
-            //
-            // correctly mark it as a uuid
-            //
-            request = request.Replace("<string>00000000-0000-0000-0000-000000000000</string>", "<uuid>00000000-0000-0000-0000-000000000000</uuid>");
-
-            // another hack <integer>1</integer> results in a
-            // System.ArgumentException: Object type System.Int32 cannot
-            // be converted to target type: System.Boolean
-            //
-            request = request.Replace("<key>fetch_folders</key><integer>0</integer>", "<key>fetch_folders</key><boolean>0</boolean>");
-            request = request.Replace("<key>fetch_folders</key><integer>1</integer>", "<key>fetch_folders</key><boolean>1</boolean>");
-
-            Hashtable hash = new Hashtable();
-            try
-            {
-                hash = (Hashtable)LLSD.LLSDDeserialize(Utils.StringToBytes(request));
-            }
-            catch (LLSD.LLSDParseException pe)
-            {
-                m_log.Error("[AGENT INVENTORY]: Fetch error: " + pe.Message);
-                m_log.Error("Request: " + request.ToString());
-            }
-
-            ArrayList foldersrequested = (ArrayList)hash["folders"];
-
-            string response = "";
             lock (m_fetchLock)
             {
+//                m_log.DebugFormat("[WEB FETCH INV DESC HANDLER]: Received request {0}", request);
+    
+                // nasty temporary hack here, the linden client falsely
+                // identifies the uuid 00000000-0000-0000-0000-000000000000
+                // as a string which breaks us
+                //
+                // correctly mark it as a uuid
+                //
+                request = request.Replace("<string>00000000-0000-0000-0000-000000000000</string>", "<uuid>00000000-0000-0000-0000-000000000000</uuid>");
+    
+                // another hack <integer>1</integer> results in a
+                // System.ArgumentException: Object type System.Int32 cannot
+                // be converted to target type: System.Boolean
+                //
+                request = request.Replace("<key>fetch_folders</key><integer>0</integer>", "<key>fetch_folders</key><boolean>0</boolean>");
+                request = request.Replace("<key>fetch_folders</key><integer>1</integer>", "<key>fetch_folders</key><boolean>1</boolean>");
+    
+                Hashtable hash = new Hashtable();
+                try
+                {
+                    hash = (Hashtable)LLSD.LLSDDeserialize(Utils.StringToBytes(request));
+                }
+                catch (LLSD.LLSDParseException e)
+                {
+                    m_log.ErrorFormat("[WEB FETCH INV DESC HANDLER]: Fetch error: {0}{1}" + e.Message, e.StackTrace);
+                    m_log.Error("Request: " + request);
+                }
+    
+                ArrayList foldersrequested = (ArrayList)hash["folders"];
+    
+                string response = "";
+
                 for (int i = 0; i < foldersrequested.Count; i++)
                 {
                     string inventoryitemstr = "";
@@ -106,7 +106,7 @@ namespace OpenSim.Capabilities.Handlers
                     }
                     catch (Exception e)
                     {
-                        m_log.Debug("[CAPS]: caught exception doing OSD deserialize" + e);
+                        m_log.Debug("[WEB FETCH INV DESC HANDLER]: caught exception doing OSD deserialize" + e);
                     }
                     LLSDInventoryDescendents reply = FetchInventoryReply(llsdRequest);
 
@@ -130,12 +130,12 @@ namespace OpenSim.Capabilities.Handlers
                     response = "<llsd><map><key>folders</key><array>" + response + "</array></map></llsd>";
                 }
 
-                //m_log.DebugFormat("[CAPS]: Replying to CAPS fetch inventory request with following xml");
+//                m_log.DebugFormat("[WEB FETCH INV DESC HANDLER]: Replying to CAPS fetch inventory request");
-                //m_log.Debug("[CAPS] "+response);
+                //m_log.Debug("[WEB FETCH INV DESC HANDLER] "+response);
+
+                return response;
 
             }
-            
-            return response;
         }
 
         /// <summary>
@@ -184,8 +184,9 @@ namespace OpenSim.Capabilities.Handlers
             return reply;
         }
 
-        public InventoryCollection Fetch(UUID agentID, UUID folderID, UUID ownerID,
+        public InventoryCollection Fetch(
-                                            bool fetchFolders, bool fetchItems, int sortOrder, out int version)
+            UUID agentID, UUID folderID, UUID ownerID,
+            bool fetchFolders, bool fetchItems, int sortOrder, out int version)
         {
             m_log.DebugFormat(
                 "[WEB FETCH INV DESC HANDLER]: Fetching folders ({0}), items ({1}) from {2} for agent {3}",
@@ -194,6 +195,7 @@ namespace OpenSim.Capabilities.Handlers
             version = 0;
             InventoryFolderImpl fold;
             if (m_LibraryService != null && m_LibraryService.LibraryRootFolder != null && agentID == m_LibraryService.LibraryRootFolder.Owner)
+            {
                 if ((fold = m_LibraryService.LibraryRootFolder.FindFolder(folderID)) != null)
                 {
                     InventoryCollection ret = new InventoryCollection();
@@ -202,6 +204,7 @@ namespace OpenSim.Capabilities.Handlers
 
                     return ret;
                 }
+            }
 
             InventoryCollection contents = new InventoryCollection();
 
@@ -236,7 +239,7 @@ namespace OpenSim.Capabilities.Handlers
             llsdFolder.parent_id = invFolder.ParentID;
             llsdFolder.name = invFolder.Name;
 
-            if (!Enum.IsDefined(typeof(AssetType), invFolder.Type))
+            if (invFolder.Type == (short)AssetType.Unknown || !Enum.IsDefined(typeof(AssetType), (sbyte)invFolder.Type))
                 llsdFolder.type = "-1";
             else
                 llsdFolder.type = Utils.AssetTypeToString((AssetType)invFolder.Type);

OpenSim/Region/ClientStack/Linden/Caps/WebFetchInvDescModule.cs

@@ -48,8 +48,7 @@ namespace OpenSim.Region.ClientStack.Linden
     [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule")]
     public class WebFetchInvDescModule : INonSharedRegionModule
     {
-        private static readonly ILog m_log =
+//        private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
-            LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
 
         private Scene m_scene;
 
@@ -120,8 +119,6 @@ namespace OpenSim.Region.ClientStack.Linden
 
         private void RegisterCaps(UUID agentID, Caps caps)
         {
-            UUID capID = UUID.Random();
-
             if (m_webFetchInventoryDescendentsUrl != "")
                 RegisterFetchCap(agentID, caps, "WebFetchInventoryDescendents", m_webFetchInventoryDescendentsUrl);
             else if (m_fetchInventoryDescendents2Url != "")