aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/OpenSim/Framework/Communications/Capabilities/Caps.cs
blob: 13981841842d1e080d988eaf67fc12fa81d2d0f4 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
/*
* Copyright (c) Contributors, http://opensimulator.org/
* See CONTRIBUTORS.TXT for a full list of copyright holders.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
*     * Redistributions of source code must retain the above copyright
*       notice, this list of conditions and the following disclaimer.
*     * Redistributions in binary form must reproduce the above copyright
*       notice, this list of conditions and the following disclaimer in the
*       documentation and/or other materials provided with the distribution.
*     * Neither the name of the OpenSim Project nor the
*       names of its contributors may be used to endorse or promote products
*       derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* 
*/
using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using libsecondlife;
using OpenSim.Framework;
using OpenSim.Framework.Communications.Cache;
using OpenSim.Framework.Console;
using OpenSim.Framework.Servers;

namespace OpenSim.Region.Capabilities
{
    public delegate void UpLoadedAsset(
        string assetName, string description, LLUUID assetID, LLUUID inventoryItem, LLUUID parentFolder,
        byte[] data, string inventoryType, string assetType);

    public delegate LLUUID UpdateItem(LLUUID itemID, byte[] data);

    public delegate void UpdateTaskScript(LLUUID itemID, LLUUID primID, bool isScriptRunning, byte[] data);

    public delegate void NewInventoryItem(LLUUID userID, InventoryItemBase item);

    public delegate LLUUID ItemUpdatedCallback(LLUUID userID, LLUUID itemID, byte[] data);

    public delegate void TaskScriptUpdatedCallback(LLUUID userID, LLUUID itemID, LLUUID primID,
                                                   bool isScriptRunning, byte[] data);

    public class Caps
    {
        private static readonly log4net.ILog m_log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);

        private string m_httpListenerHostName;
        private uint m_httpListenPort;

        private string m_capsObjectPath = "00001-";
        private string m_requestPath = "0000/";
        private string m_mapLayerPath = "0001/";
        private string m_newInventory = "0002/";
        //private string m_requestTexture = "0003/";
        private string m_notecardUpdatePath = "0004/";
        private string m_notecardTaskUpdatePath = "0005/";

        //private string eventQueue = "0100/";
        private BaseHttpServer m_httpListener;
        private LLUUID m_agentID;
        private AssetCache m_assetCache;
        private int m_eventQueueCount = 1;
        private Queue<string> m_capsEventQueue = new Queue<string>();
        private bool m_dumpAssetsToFile;

        // These are callbacks which will be setup by the scene so that we can update scene data when we 
        // receive capability calls
        public NewInventoryItem AddNewInventoryItem = null;
        public ItemUpdatedCallback ItemUpdatedCall = null;
        public TaskScriptUpdatedCallback TaskScriptUpdatedCall = null;

        public Caps(AssetCache assetCache, BaseHttpServer httpServer, string httpListen, uint httpPort, string capsPath,
                    LLUUID agent, bool dumpAssetsToFile)
        {
            m_assetCache = assetCache;
            m_capsObjectPath = capsPath;
            m_httpListener = httpServer;
            m_httpListenerHostName = httpListen;
            m_httpListenPort = httpPort;
            m_agentID = agent;
            m_dumpAssetsToFile = dumpAssetsToFile;
        }

        /// <summary>
        /// 
        /// </summary>
        public void RegisterHandlers()
        {
            m_log.Info("[CAPS]: Registering CAPS handlers");
            string capsBase = "/CAPS/" + m_capsObjectPath;
            try
            {
                m_httpListener.AddStreamHandler(
                    new LLSDStreamhandler<LLSDMapRequest, LLSDMapLayerResponse>("POST", capsBase + m_mapLayerPath,
                                                                                GetMapLayer));
                m_httpListener.AddStreamHandler(
                    new LLSDStreamhandler<LLSDAssetUploadRequest, LLSDAssetUploadResponse>("POST",
                                                                                           capsBase + m_newInventory,
                                                                                           NewAgentInventoryRequest));

                AddLegacyCapsHandler(m_httpListener, m_requestPath, CapsRequest);
                //AddLegacyCapsHandler(m_httpListener, m_requestTexture , RequestTexture);
                AddLegacyCapsHandler(m_httpListener, m_notecardUpdatePath, NoteCardAgentInventory);
                AddLegacyCapsHandler(m_httpListener, m_notecardTaskUpdatePath, ScriptTaskInventory);
            }
            catch (Exception e)
            {
                m_log.Error("[CAPS]: " + e.ToString());
            }
        }


        //[Obsolete("Use BaseHttpServer.AddStreamHandler(new LLSDStreamHandler( LLSDMethod delegate )) instead.")]
        //Commented out the obsolete as at this time the first caps request can not use the new Caps method 
        //as the sent type is a array and not a map and the deserialising doesn't deal properly with arrays.
        private void AddLegacyCapsHandler(BaseHttpServer httpListener, string path, RestMethod restMethod)
        {
            string capsBase = "/CAPS/" + m_capsObjectPath;
            httpListener.AddStreamHandler(new RestStreamHandler("POST", capsBase + path, restMethod));
        }

        /// <summary>
        /// Construct a client response detailing all the capabilities this server can provide.
        /// </summary>
        /// <param name="request"></param>
        /// <param name="path"></param>
        /// <param name="param"></param>
        /// <returns></returns>
        public string CapsRequest(string request, string path, string param)
        {
            //Console.WriteLine("caps request " + request);
            string result = LLSDHelpers.SerialiseLLSDReply(GetCapabilities());
            return result;
        }

        /// <summary>
        /// Return an LLSDCapsDetails listing all the capabilities this server can provide
        /// </summary>
        /// <returns></returns>
        protected LLSDCapsDetails GetCapabilities()
        {
            LLSDCapsDetails caps = new LLSDCapsDetails();
            string capsBaseUrl = "http://" + m_httpListenerHostName + ":" + m_httpListenPort.ToString() + "/CAPS/" +
                                 m_capsObjectPath;
            caps.MapLayer = capsBaseUrl + m_mapLayerPath;
            // caps.RequestTextureDownload = capsBaseUrl + m_requestTexture;
            caps.NewFileAgentInventory = capsBaseUrl + m_newInventory;
            caps.UpdateNotecardAgentInventory = capsBaseUrl + m_notecardUpdatePath;
            caps.UpdateScriptAgentInventory = capsBaseUrl + m_notecardUpdatePath;
            caps.UpdateScriptTaskInventory = capsBaseUrl + m_notecardTaskUpdatePath;
            return caps;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="mapReq"></param>
        /// <returns></returns>
        public LLSDMapLayerResponse GetMapLayer(LLSDMapRequest mapReq)
        {
            LLSDMapLayerResponse mapResponse = new LLSDMapLayerResponse();
            mapResponse.LayerData.Array.Add(GetLLSDMapLayerResponse());
            return mapResponse;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        protected LLSDMapLayer GetLLSDMapLayerResponse()
        {
            LLSDMapLayer mapLayer = new LLSDMapLayer();
            mapLayer.Right = 5000;
            mapLayer.Top = 5000;
            mapLayer.ImageID = new LLUUID("00000000-0000-0000-9999-000000000006");
            return mapLayer;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="request"></param>
        /// <param name="path"></param>
        /// <param name="param"></param>
        /// <returns></returns>
        public string RequestTexture(string request, string path, string param)
        {
            Console.WriteLine("texture request " + request);
            // Needs implementing (added to remove compiler warning)
            return String.Empty;
        }

        #region EventQueue (Currently not enabled)

        /// <summary>
        /// 
        /// </summary>
        /// <param name="request"></param>
        /// <param name="path"></param>
        /// <param name="param"></param>
        /// <returns></returns>
        public string ProcessEventQueue(string request, string path, string param)
        {
            string res = String.Empty;

            if (m_capsEventQueue.Count > 0)
            {
                lock (m_capsEventQueue)
                {
                    string item = m_capsEventQueue.Dequeue();
                    res = item;
                }
            }
            else
            {
                res = CreateEmptyEventResponse();
            }
            return res;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="caps"></param>
        /// <param name="ipAddressPort"></param>
        /// <returns></returns>
        public string CreateEstablishAgentComms(string caps, string ipAddressPort)
        {
            LLSDCapEvent eventItem = new LLSDCapEvent();
            eventItem.id = m_eventQueueCount;
            //should be creating a EstablishAgentComms item, but there isn't a class for it yet
            eventItem.events.Array.Add(new LLSDEmpty());
            string res = LLSDHelpers.SerialiseLLSDReply(eventItem);
            m_eventQueueCount++;

            m_capsEventQueue.Enqueue(res);
            return res;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <returns></returns>
        public string CreateEmptyEventResponse()
        {
            LLSDCapEvent eventItem = new LLSDCapEvent();
            eventItem.id = m_eventQueueCount;
            eventItem.events.Array.Add(new LLSDEmpty());
            string res = LLSDHelpers.SerialiseLLSDReply(eventItem);
            m_eventQueueCount++;
            return res;
        }

        #endregion

        /// <summary>
        /// Callback for a client request for an upload url for a script task 
        /// inventory update
        /// </summary>
        /// <param name="request"></param>
        /// <param name="path"></param>
        /// <param name="param"></param>
        /// <returns></returns>
        public string ScriptTaskInventory(string request, string path, string param)
        {
            try
            {
//                m_log.DebugFormat("[CAPS]: request: {0}, path: {1}, param: {2}", request, path, param);

                Hashtable hash = (Hashtable) LLSD.LLSDDeserialize(Helpers.StringToField(request));
                LLSDTaskScriptUpdate llsdUpdateRequest = new LLSDTaskScriptUpdate();
                LLSDHelpers.DeserialiseLLSDMap(hash, llsdUpdateRequest);

                string capsBase = "/CAPS/" + m_capsObjectPath;
                string uploaderPath = Util.RandomClass.Next(5000, 8000).ToString("0000");

                TaskInventoryScriptUpdater uploader =
                    new TaskInventoryScriptUpdater(
                        llsdUpdateRequest.item_id,
                        llsdUpdateRequest.task_id,
                        llsdUpdateRequest.is_script_running,
                        capsBase + uploaderPath,
                        m_httpListener,
                        m_dumpAssetsToFile);
                uploader.OnUpLoad += TaskScriptUpdated;

                m_httpListener.AddStreamHandler(
                    new BinaryStreamHandler("POST", capsBase + uploaderPath, uploader.uploaderCaps));
                string uploaderURL = "http://" + m_httpListenerHostName + ":" + m_httpListenPort.ToString() + capsBase +
                                     uploaderPath;

                LLSDAssetUploadResponse uploadResponse = new LLSDAssetUploadResponse();
                uploadResponse.uploader = uploaderURL;
                uploadResponse.state = "upload";

//                m_log.Info(
//                    String.Format("[CAPS]: " +
//                                  "ScriptTaskInventory response: {0}", 
//                                  LLSDHelpers.SerialiseLLSDReply(uploadResponse)));

                return LLSDHelpers.SerialiseLLSDReply(uploadResponse);
            }
            catch (Exception e)
            {
                m_log.Error("[CAPS]: " + e.ToString());
            }

            return null;
        }

        /// <summary>
        /// Callback for a client request for an upload url for a notecard (or script) 
        /// agent inventory update
        /// </summary>
        /// <param name="request"></param>
        /// <param name="path"></param>
        /// <param name="param"></param>
        /// <returns></returns>
        public string NoteCardAgentInventory(string request, string path, string param)
        {
            //libsecondlife.StructuredData.LLSDMap hash = (libsecondlife.StructuredData.LLSDMap)libsecondlife.StructuredData.LLSDParser.DeserializeBinary(Helpers.StringToField(request));
            Hashtable hash = (Hashtable) LLSD.LLSDDeserialize(Helpers.StringToField(request));
            LLSDItemUpdate llsdRequest = new LLSDItemUpdate();
            LLSDHelpers.DeserialiseLLSDMap(hash, llsdRequest);

            string capsBase = "/CAPS/" + m_capsObjectPath;
            string uploaderPath = Util.RandomClass.Next(5000, 8000).ToString("0000");

            ItemUpdater uploader =
                new ItemUpdater(llsdRequest.item_id, capsBase + uploaderPath, m_httpListener, m_dumpAssetsToFile);
            uploader.OnUpLoad += ItemUpdated;

            m_httpListener.AddStreamHandler(
                new BinaryStreamHandler("POST", capsBase + uploaderPath, uploader.uploaderCaps));
            string uploaderURL = "http://" + m_httpListenerHostName + ":" + m_httpListenPort.ToString() + capsBase +
                                 uploaderPath;

            LLSDAssetUploadResponse uploadResponse = new LLSDAssetUploadResponse();
            uploadResponse.uploader = uploaderURL;
            uploadResponse.state = "upload";

//            m_log.Info(
//                String.Format("[CAPS]: " +
//                              "NoteCardAgentInventory response: {0}", 
//                              LLSDHelpers.SerialiseLLSDReply(uploadResponse)));

            return LLSDHelpers.SerialiseLLSDReply(uploadResponse);
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="llsdRequest"></param>
        /// <returns></returns>
        public LLSDAssetUploadResponse NewAgentInventoryRequest(LLSDAssetUploadRequest llsdRequest)
        {
            //Console.WriteLine("asset upload request via CAPS" + llsdRequest.inventory_type +" , "+ llsdRequest.asset_type);

            string assetName = llsdRequest.name;
            string assetDes = llsdRequest.description;
            string capsBase = "/CAPS/" + m_capsObjectPath;
            LLUUID newAsset = LLUUID.Random();
            LLUUID newInvItem = LLUUID.Random();
            LLUUID parentFolder = llsdRequest.folder_id;
            string uploaderPath = Util.RandomClass.Next(5000, 8000).ToString("0000");

            AssetUploader uploader =
                new AssetUploader(assetName, assetDes, newAsset, newInvItem, parentFolder, llsdRequest.inventory_type,
                                  llsdRequest.asset_type, capsBase + uploaderPath, m_httpListener, m_dumpAssetsToFile);
            m_httpListener.AddStreamHandler(
                new BinaryStreamHandler("POST", capsBase + uploaderPath, uploader.uploaderCaps));
            string uploaderURL = "http://" + m_httpListenerHostName + ":" + m_httpListenPort.ToString() + capsBase +
                                 uploaderPath;

            LLSDAssetUploadResponse uploadResponse = new LLSDAssetUploadResponse();
            uploadResponse.uploader = uploaderURL;
            uploadResponse.state = "upload";
            uploader.OnUpLoad += UploadCompleteHandler;
            return uploadResponse;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="assetID"></param>
        /// <param name="inventoryItem"></param>
        /// <param name="data"></param>
        public void UploadCompleteHandler(string assetName, string assetDescription, LLUUID assetID,
                                          LLUUID inventoryItem, LLUUID parentFolder, byte[] data, string inventoryType,
                                          string assetType)
        {
            sbyte assType = 0;
            sbyte inType = 0;

            if (inventoryType == "sound")
            {
                inType = 1;
                assType = 1;
            }
            else if (inventoryType == "animation")
            {
                inType = 19;
                assType = 20;
            }

            AssetBase asset;
            asset = new AssetBase();
            asset.FullID = assetID;
            asset.Type = assType;
            asset.InvType = inType;
            asset.Name = assetName;
            asset.Data = data;
            m_assetCache.AddAsset(asset);

            InventoryItemBase item = new InventoryItemBase();
            item.avatarID = m_agentID;
            item.creatorsID = m_agentID;
            item.inventoryID = inventoryItem;
            item.assetID = asset.FullID;
            item.inventoryDescription = assetDescription;
            item.inventoryName = assetName;
            item.assetType = assType;
            item.invType = inType;
            item.parentFolderID = parentFolder;
            item.inventoryCurrentPermissions = 2147483647;
            item.inventoryNextPermissions = 2147483647;

            if (AddNewInventoryItem != null)
            {
                AddNewInventoryItem(m_agentID, item);
            }
        }

        /// <summary>
        /// Called when new asset data for an agent inventory item update has been uploaded.
        /// </summary>
        /// <param name="itemID">Item to update</param>
        /// <param name="data">New asset data</param>
        /// <returns></returns>
        public LLUUID ItemUpdated(LLUUID itemID, byte[] data)
        {
            if (ItemUpdatedCall != null)
            {
                return ItemUpdatedCall(m_agentID, itemID, data);
            }

            return LLUUID.Zero;
        }

        /// <summary>
        /// Called when new asset data for an agent inventory item update has been uploaded.
        /// </summary>
        /// <param name="itemID">Item to update</param>
        /// <param name="primID">Prim containing item to update</param>
        /// <param name="isScriptRunning">Signals whether the script to update is currently running</param>
        /// <param name="data">New asset data</param>        
        public void TaskScriptUpdated(LLUUID itemID, LLUUID primID, bool isScriptRunning, byte[] data)
        {
            if (TaskScriptUpdatedCall != null)
            {
                TaskScriptUpdatedCall(m_agentID, itemID, primID, isScriptRunning, data);
            }
        }

        public class AssetUploader
        {
            public event UpLoadedAsset OnUpLoad;

            private string uploaderPath = String.Empty;
            private LLUUID newAssetID;
            private LLUUID inventoryItemID;
            private LLUUID parentFolder;
            private BaseHttpServer httpListener;
            private bool m_dumpAssetsToFile;
            private string m_assetName = String.Empty;
            private string m_assetDes = String.Empty;

            private string m_invType = String.Empty;
            private string m_assetType = String.Empty;

            public AssetUploader(string assetName, string description, LLUUID assetID, LLUUID inventoryItem,
                                 LLUUID parentFolderID, string invType, string assetType, string path,
                                 BaseHttpServer httpServer, bool dumpAssetsToFile)
            {
                m_assetName = assetName;
                m_assetDes = description;
                newAssetID = assetID;
                inventoryItemID = inventoryItem;
                uploaderPath = path;
                httpListener = httpServer;
                parentFolder = parentFolderID;
                m_assetType = assetType;
                m_invType = invType;
                m_dumpAssetsToFile = dumpAssetsToFile;
            }

            /// <summary>
            /// 
            /// </summary>
            /// <param name="data"></param>
            /// <param name="path"></param>
            /// <param name="param"></param>
            /// <returns></returns>
            public string uploaderCaps(byte[] data, string path, string param)
            {
                LLUUID inv = inventoryItemID;
                string res = String.Empty;
                LLSDAssetUploadComplete uploadComplete = new LLSDAssetUploadComplete();
                uploadComplete.new_asset = newAssetID.ToString();
                uploadComplete.new_inventory_item = inv;
                uploadComplete.state = "complete";

                res = LLSDHelpers.SerialiseLLSDReply(uploadComplete);

                httpListener.RemoveStreamHandler("POST", uploaderPath);

                if (m_dumpAssetsToFile)
                {
                    SaveAssetToFile(m_assetName + ".jp2", data);
                }

                if (OnUpLoad != null)
                {
                    OnUpLoad(m_assetName, m_assetDes, newAssetID, inv, parentFolder, data, m_invType, m_assetType);
                }

                return res;
            }
            ///Left this in and commented in case there are unforseen issues
            //private void SaveAssetToFile(string filename, byte[] data)
            //{
            //    FileStream fs = File.Create(filename);
            //    BinaryWriter bw = new BinaryWriter(fs);
            //    bw.Write(data);
            //    bw.Close();
            //    fs.Close();
            //}
            private void SaveAssetToFile(string filename, byte[] data)
            {
                string assetPath = "UserAssets";
                if (!Directory.Exists(assetPath))
                {
                    Directory.CreateDirectory(assetPath);
                }
                FileStream fs = File.Create(Path.Combine(assetPath, filename));
                BinaryWriter bw = new BinaryWriter(fs);
                bw.Write(data);
                bw.Close();
                fs.Close();
            }
        }

        /// <summary>
        /// This class is a callback invoked when a client sends asset data to 
        /// an agent inventory notecard update url
        /// </summary>
        public class ItemUpdater
        {
            public event UpdateItem OnUpLoad;

            private string uploaderPath = String.Empty;
            private LLUUID inventoryItemID;
            private BaseHttpServer httpListener;
            private bool m_dumpAssetToFile;

            public ItemUpdater(LLUUID inventoryItem, string path, BaseHttpServer httpServer, bool dumpAssetToFile)
            {
                m_dumpAssetToFile = dumpAssetToFile;

                inventoryItemID = inventoryItem;
                uploaderPath = path;
                httpListener = httpServer;
            }

            /// <summary>
            /// 
            /// </summary>
            /// <param name="data"></param>
            /// <param name="path"></param>
            /// <param name="param"></param>
            /// <returns></returns>
            public string uploaderCaps(byte[] data, string path, string param)
            {
                LLUUID inv = inventoryItemID;
                string res = String.Empty;
                LLSDAssetUploadComplete uploadComplete = new LLSDAssetUploadComplete();
                LLUUID assetID = LLUUID.Zero;

                if (OnUpLoad != null)
                {
                    assetID = OnUpLoad(inv, data);
                }

                uploadComplete.new_asset = assetID.ToString();
                uploadComplete.new_inventory_item = inv;
                uploadComplete.state = "complete";

                res = LLSDHelpers.SerialiseLLSDReply(uploadComplete);

                httpListener.RemoveStreamHandler("POST", uploaderPath);

                if (m_dumpAssetToFile)
                {
                    SaveAssetToFile("updateditem" + Util.RandomClass.Next(1, 1000) + ".dat", data);
                }

                return res;
            }
            ///Left this in and commented in case there are unforseen issues
            //private void SaveAssetToFile(string filename, byte[] data)
            //{
            //    FileStream fs = File.Create(filename);
            //    BinaryWriter bw = new BinaryWriter(fs);
            //    bw.Write(data);
            //    bw.Close();
            //    fs.Close();
            //}
            private void SaveAssetToFile(string filename, byte[] data)
            {
                string assetPath = "UserAssets";
                if (!Directory.Exists(assetPath))
                {
                    Directory.CreateDirectory(assetPath);
                }
                FileStream fs = File.Create(Path.Combine(assetPath, filename));
                BinaryWriter bw = new BinaryWriter(fs);
                bw.Write(data);
                bw.Close();
                fs.Close();
            }
        }

        /// <summary>
        /// This class is a callback invoked when a client sends asset data to 
        /// a task inventory script update url
        /// </summary>
        public class TaskInventoryScriptUpdater
        {
            public event UpdateTaskScript OnUpLoad;

            private string uploaderPath = String.Empty;
            private LLUUID inventoryItemID;
            private LLUUID primID;
            private bool isScriptRunning;
            private BaseHttpServer httpListener;
            private bool m_dumpAssetToFile;

            public TaskInventoryScriptUpdater(LLUUID inventoryItemID, LLUUID primID, int isScriptRunning,
                                              string path, BaseHttpServer httpServer, bool dumpAssetToFile)
            {
                m_dumpAssetToFile = dumpAssetToFile;

                this.inventoryItemID = inventoryItemID;
                this.primID = primID;

                // This comes in over the packet as an integer, but actually appears to be treated as a bool
                this.isScriptRunning = (0 == isScriptRunning ? false : true);

                uploaderPath = path;
                httpListener = httpServer;
            }

            /// <summary>
            /// 
            /// </summary>
            /// <param name="data"></param>
            /// <param name="path"></param>
            /// <param name="param"></param>
            /// <returns></returns>
            public string uploaderCaps(byte[] data, string path, string param)
            {
                try
                {
//                    m_log.Info(
//                        String.Format("[CAPS]: " + 
//                                      "TaskInventoryScriptUpdater received data: {0}, path: {1}, param: {2}", 
//                                      data, path, param));

                    string res = String.Empty;
                    LLSDTaskInventoryUploadComplete uploadComplete = new LLSDTaskInventoryUploadComplete();

                    if (OnUpLoad != null)
                    {
                        OnUpLoad(inventoryItemID, primID, isScriptRunning, data);
                    }

                    uploadComplete.item_id = inventoryItemID;
                    uploadComplete.task_id = primID;
                    uploadComplete.state = "complete";

                    res = LLSDHelpers.SerialiseLLSDReply(uploadComplete);

                    httpListener.RemoveStreamHandler("POST", uploaderPath);

                    if (m_dumpAssetToFile)
                    {
                        SaveAssetToFile("updatedtaskscript" + Util.RandomClass.Next(1, 1000) + ".dat", data);
                    }

//                    m_log.InfoFormat("[CAPS]: TaskInventoryScriptUpdater.uploaderCaps res: {0}", res);

                    return res;
                }
                catch (Exception e)
                {
                    m_log.Error("[CAPS]: " + e.ToString());
                }

                // XXX Maybe this should be some meaningful error packet
                return null;
            }
            ///Left this in and commented in case there are unforseen issues
            //private void SaveAssetToFile(string filename, byte[] data)
            //{
            //    FileStream fs = File.Create(filename);
            //    BinaryWriter bw = new BinaryWriter(fs);
            //    bw.Write(data);
            //    bw.Close();
            //    fs.Close();
            //}
            private void SaveAssetToFile(string filename, byte[] data)
            {
                string assetPath = "UserAssets";
                if (!Directory.Exists(assetPath))
                {
                    Directory.CreateDirectory(assetPath);
                }
                FileStream fs = File.Create(Path.Combine(assetPath, filename));
                BinaryWriter bw = new BinaryWriter(fs);
                bw.Write(data);
                bw.Close();
                fs.Close();
            }
        }
    }
}