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
|
/*
* 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 OpenSimulator 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.Collections.Specialized;
using System.Reflection;
using System.IO;
using System.Web;
using log4net;
using Mono.Addins;
using Nini.Config;
using OpenMetaverse;
using OpenMetaverse.Messages.Linden;
using OpenMetaverse.StructuredData;
using OpenSim.Framework;
using OpenSim.Framework.Capabilities;
using OpenSim.Framework.Servers;
using OpenSim.Framework.Servers.HttpServer;
using OpenSim.Region.Framework.Interfaces;
using OpenSim.Region.Framework.Scenes;
using OpenSim.Services.Interfaces;
using Caps = OpenSim.Framework.Capabilities.Caps;
using OSDMap = OpenMetaverse.StructuredData.OSDMap;
namespace OpenSim.Region.CoreModules.Media.Moap
{
[Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "MoapModule")]
public class MoapModule : INonSharedRegionModule, IMoapModule
{
private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
public string Name { get { return "MoapModule"; } }
public Type ReplaceableInterface { get { return null; } }
/// <summary>
/// The scene to which this module is attached
/// </summary>
protected Scene m_scene;
/// <summary>
/// Track the ObjectMedia capabilities given to users keyed by path
/// </summary>
protected Dictionary<string, UUID> m_omCapUsers = new Dictionary<string, UUID>();
/// <summary>
/// Track the ObjectMedia capabilities given to users keyed by agent. Lock m_omCapUsers to manipulate.
/// </summary>
protected Dictionary<UUID, string> m_omCapUrls = new Dictionary<UUID, string>();
/// <summary>
/// Track the ObjectMediaUpdate capabilities given to users keyed by path
/// </summary>
protected Dictionary<string, UUID> m_omuCapUsers = new Dictionary<string, UUID>();
/// <summary>
/// Track the ObjectMediaUpdate capabilities given to users keyed by agent. Lock m_omuCapUsers to manipulate
/// </summary>
protected Dictionary<UUID, string> m_omuCapUrls = new Dictionary<UUID, string>();
public void Initialise(IConfigSource config)
{
// TODO: Add config switches to enable/disable this module
}
public void AddRegion(Scene scene)
{
m_scene = scene;
m_scene.RegisterModuleInterface<IMoapModule>(this);
}
public void RemoveRegion(Scene scene) {}
public void RegionLoaded(Scene scene)
{
m_scene.EventManager.OnRegisterCaps += RegisterCaps;
m_scene.EventManager.OnDeregisterCaps += DeregisterCaps;
}
public void Close()
{
m_scene.EventManager.OnRegisterCaps -= RegisterCaps;
m_scene.EventManager.OnDeregisterCaps -= DeregisterCaps;
}
public void RegisterCaps(UUID agentID, Caps caps)
{
m_log.DebugFormat(
"[MOAP]: Registering ObjectMedia and ObjectMediaNavigate capabilities for agent {0}", agentID);
string omCapUrl = "/CAPS/" + UUID.Random();
lock (m_omCapUsers)
{
m_omCapUsers[omCapUrl] = agentID;
m_omCapUrls[agentID] = omCapUrl;
// Even though we're registering for POST we're going to get GETS and UPDATES too
caps.RegisterHandler(
"ObjectMedia", new RestStreamHandler("POST", omCapUrl, HandleObjectMediaMessage));
}
string omuCapUrl = "/CAPS/" + UUID.Random();
lock (m_omuCapUsers)
{
m_omuCapUsers[omuCapUrl] = agentID;
m_omuCapUrls[agentID] = omuCapUrl;
// Even though we're registering for POST we're going to get GETS and UPDATES too
caps.RegisterHandler(
"ObjectMediaNavigate", new RestStreamHandler("POST", omuCapUrl, HandleObjectMediaNavigateMessage));
}
}
public void DeregisterCaps(UUID agentID, Caps caps)
{
lock (m_omCapUsers)
{
string path = m_omCapUrls[agentID];
m_omCapUrls.Remove(agentID);
m_omCapUsers.Remove(path);
}
lock (m_omuCapUsers)
{
string path = m_omuCapUrls[agentID];
m_omuCapUrls.Remove(agentID);
m_omuCapUsers.Remove(path);
}
}
public MediaEntry GetMediaEntry(SceneObjectPart part, int face)
{
MediaEntry me = null;
CheckFaceParam(part, face);
List<MediaEntry> media = part.Shape.Media;
if (null == media)
{
me = null;
}
else
{
me = media[face];
// TODO: Really need a proper copy constructor down in libopenmetaverse
if (me != null)
me = MediaEntry.FromOSD(me.GetOSD());
}
// m_log.DebugFormat("[MOAP]: GetMediaEntry for {0} face {1} found {2}", part.Name, face, me);
return me;
}
public void SetMediaEntry(SceneObjectPart part, int face, MediaEntry me)
{
CheckFaceParam(part, face);
if (null == part.Shape.Media)
part.Shape.Media = new List<MediaEntry>(new MediaEntry[part.GetNumberOfSides()]);
part.Shape.Media[face] = me;
UpdateMediaUrl(part, UUID.Zero);
part.ScheduleFullUpdate();
part.TriggerScriptChangedEvent(Changed.MEDIA);
}
public void ClearMediaEntry(SceneObjectPart part, int face)
{
SetMediaEntry(part, face, null);
}
/// <summary>
/// Sets or gets per face media textures.
/// </summary>
/// <param name="request"></param>
/// <param name="path"></param>
/// <param name="param"></param>
/// <param name="httpRequest"></param>
/// <param name="httpResponse"></param>
/// <returns></returns>
protected string HandleObjectMediaMessage(
string request, string path, string param, OSHttpRequest httpRequest, OSHttpResponse httpResponse)
{
m_log.DebugFormat("[MOAP]: Got ObjectMedia path [{0}], raw request [{1}]", path, request);
OSDMap osd = (OSDMap)OSDParser.DeserializeLLSDXml(request);
ObjectMediaMessage omm = new ObjectMediaMessage();
omm.Deserialize(osd);
if (omm.Request is ObjectMediaRequest)
return HandleObjectMediaRequest(omm.Request as ObjectMediaRequest);
else if (omm.Request is ObjectMediaUpdate)
return HandleObjectMediaUpdate(path, omm.Request as ObjectMediaUpdate);
throw new Exception(
string.Format(
"[MOAP]: ObjectMediaMessage has unrecognized ObjectMediaBlock of {0}",
omm.Request.GetType()));
}
/// <summary>
/// Handle a fetch request for media textures
/// </summary>
/// <param name="omr"></param>
/// <returns></returns>
protected string HandleObjectMediaRequest(ObjectMediaRequest omr)
{
UUID primId = omr.PrimID;
SceneObjectPart part = m_scene.GetSceneObjectPart(primId);
if (null == part)
{
m_log.WarnFormat(
"[MOAP]: Received a GET ObjectMediaRequest for prim {0} but this doesn't exist in region {1}",
primId, m_scene.RegionInfo.RegionName);
return string.Empty;
}
if (null == part.Shape.Media)
return string.Empty;
ObjectMediaResponse resp = new ObjectMediaResponse();
resp.PrimID = primId;
resp.FaceMedia = part.Shape.Media.ToArray();
resp.Version = part.MediaUrl;
string rawResp = OSDParser.SerializeLLSDXmlString(resp.Serialize());
m_log.DebugFormat("[MOAP]: Got HandleObjectMediaRequestGet raw response is [{0}]", rawResp);
return rawResp;
}
/// <summary>
/// Handle an update of media textures.
/// </summary>
/// <param name="path">Path on which this request was made</param>
/// <param name="omu">/param>
/// <returns></returns>
protected string HandleObjectMediaUpdate(string path, ObjectMediaUpdate omu)
{
UUID primId = omu.PrimID;
SceneObjectPart part = m_scene.GetSceneObjectPart(primId);
if (null == part)
{
m_log.WarnFormat(
"[MOAP]: Received an UPDATE ObjectMediaRequest for prim {0} but this doesn't exist in region {1}",
primId, m_scene.RegionInfo.RegionName);
return string.Empty;
}
m_log.DebugFormat("[MOAP]: Received {0} media entries for prim {1}", omu.FaceMedia.Length, primId);
// for (int i = 0; i < omu.FaceMedia.Length; i++)
// {
// MediaEntry me = omu.FaceMedia[i];
// string v = (null == me ? "null": OSDParser.SerializeLLSDXmlString(me.GetOSD()));
// m_log.DebugFormat("[MOAP]: Face {0} [{1}]", i, v);
// }
if (omu.FaceMedia.Length > part.GetNumberOfSides())
{
m_log.WarnFormat(
"[MOAP]: Received {0} media entries from client for prim {1} {2} but this prim has only {3} faces. Dropping request.",
omu.FaceMedia.Length, part.Name, part.UUID, part.GetNumberOfSides());
return string.Empty;
}
UUID agentId = default(UUID);
lock (m_omCapUsers)
agentId = m_omCapUsers[path];
List<MediaEntry> media = part.Shape.Media;
if (null == media)
{
m_log.DebugFormat("[MOAP]: Setting all new media list for {0}", part.Name);
part.Shape.Media = new List<MediaEntry>(omu.FaceMedia);
}
else
{
// We need to go through the media textures one at a time to make sure that we have permission
// to change them
for (int i = 0; i < media.Count; i++)
{
if (m_scene.Permissions.CanControlPrimMedia(agentId, part.UUID, i))
{
media[i] = omu.FaceMedia[i];
// m_log.DebugFormat("[MOAP]: Set media entry for face {0} on {1}", i, part.Name);
}
}
}
UpdateMediaUrl(part, agentId);
// Arguably, we could avoid sending a full update to the avatar that just changed the texture.
part.ScheduleFullUpdate();
part.TriggerScriptChangedEvent(Changed.MEDIA);
return string.Empty;
}
/// <summary>
/// Received from the viewer if a user has changed the url of a media texture.
/// </summary>
/// <param name="request"></param>
/// <param name="path"></param>
/// <param name="param"></param>
/// <param name="httpRequest">/param>
/// <param name="httpResponse">/param>
/// <returns></returns>
protected string HandleObjectMediaNavigateMessage(
string request, string path, string param, OSHttpRequest httpRequest, OSHttpResponse httpResponse)
{
m_log.DebugFormat("[MOAP]: Got ObjectMediaNavigate request [{0}]", request);
OSDMap osd = (OSDMap)OSDParser.DeserializeLLSDXml(request);
ObjectMediaNavigateMessage omn = new ObjectMediaNavigateMessage();
omn.Deserialize(osd);
UUID primId = omn.PrimID;
SceneObjectPart part = m_scene.GetSceneObjectPart(primId);
if (null == part)
{
m_log.WarnFormat(
"[MOAP]: Received an ObjectMediaNavigateMessage for prim {0} but this doesn't exist in region {1}",
primId, m_scene.RegionInfo.RegionName);
return string.Empty;
}
UUID agentId = default(UUID);
lock (m_omuCapUsers)
agentId = m_omuCapUsers[path];
if (!m_scene.Permissions.CanInteractWithPrimMedia(agentId, part.UUID, omn.Face))
return string.Empty;
m_log.DebugFormat(
"[MOAP]: Received request to update media entry for face {0} on prim {1} {2} to {3}",
omn.Face, part.Name, part.UUID, omn.URL);
// If media has never been set for this prim, then just return.
if (null == part.Shape.Media)
return string.Empty;
MediaEntry me = part.Shape.Media[omn.Face];
// Do the same if media has not been set up for a specific face
if (null == me)
return string.Empty;
if (me.EnableWhiteList)
{
if (!CheckUrlAgainstWhitelist(omn.URL, me.WhiteList))
{
m_log.DebugFormat(
"[MOAP]: Blocking change of face {0} on prim {1} {2} to {3} since it's not on the enabled whitelist",
omn.Face, part.Name, part.UUID, omn.URL);
return string.Empty;
}
}
me.CurrentURL = omn.URL;
UpdateMediaUrl(part, agentId);
part.ScheduleFullUpdate();
part.TriggerScriptChangedEvent(Changed.MEDIA);
return OSDParser.SerializeLLSDXmlString(new OSD());
}
/// <summary>
/// Check that the face number is valid for the given prim.
/// </summary>
/// <param name="part"></param>
/// <param name="face"></param>
protected void CheckFaceParam(SceneObjectPart part, int face)
{
if (face < 0)
throw new ArgumentException("Face cannot be less than zero");
int maxFaces = part.GetNumberOfSides() - 1;
if (face > maxFaces)
throw new ArgumentException(
string.Format("Face argument was {0} but max is {1}", face, maxFaces));
}
/// <summary>
/// Update the media url of the given part
/// </summary>
/// <param name="part"></param>
/// <param name="updateId">
/// The id to attach to this update. Normally, this is the user that changed the
/// texture
/// </param>
protected void UpdateMediaUrl(SceneObjectPart part, UUID updateId)
{
if (null == part.MediaUrl)
{
// TODO: We can't set the last changer until we start tracking which cap we give to which agent id
part.MediaUrl = "x-mv:0000000000/" + updateId;
}
else
{
string rawVersion = part.MediaUrl.Substring(5, 10);
int version = int.Parse(rawVersion);
part.MediaUrl = string.Format("x-mv:{0:D10}/{1}", ++version, UUID.Zero);
}
m_log.DebugFormat("[MOAP]: Storing media url [{0}] in prim {1} {2}", part.MediaUrl, part.Name, part.UUID);
}
/// <summary>
/// Check the given url against the given whitelist.
/// </summary>
/// <param name="rawUrl"></param>
/// <param name="whitelist"></param>
/// <returns>true if the url matches an entry on the whitelist, false otherwise</returns>
protected bool CheckUrlAgainstWhitelist(string rawUrl, string[] whitelist)
{
Uri url = new Uri(rawUrl);
foreach (string origWlUrl in whitelist)
{
string wlUrl = origWlUrl;
// Deal with a line-ending wildcard
if (wlUrl.EndsWith("*"))
wlUrl = wlUrl.Remove(wlUrl.Length - 1);
m_log.DebugFormat("[MOAP]: Checking whitelist URL pattern {0}", origWlUrl);
// Handle a line starting wildcard slightly differently since this can only match the domain, not the path
if (wlUrl.StartsWith("*"))
{
wlUrl = wlUrl.Substring(1);
if (url.Host.Contains(wlUrl))
{
m_log.DebugFormat("[MOAP]: Whitelist URL {0} matches {1}", origWlUrl, rawUrl);
return true;
}
}
else
{
string urlToMatch = url.Authority + url.AbsolutePath;
if (urlToMatch.StartsWith(wlUrl))
{
m_log.DebugFormat("[MOAP]: Whitelist URL {0} matches {1}", origWlUrl, rawUrl);
return true;
}
}
}
return false;
}
}
}
|