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diff --git a/OpenSim/Services/Connectors/Estate/EstateDataConnector.cs b/OpenSim/Services/Connectors/Estate/EstateDataConnector.cs
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1/*
2 * Copyright (c) Contributors, http://opensimulator.org/
3 * See CONTRIBUTORS.TXT for a full list of copyright holders.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the OpenSimulator Project nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE DEVELOPERS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
18 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
19 * DISCLAIMED. IN NO EVENT SHALL THE CONTRIBUTORS BE LIABLE FOR ANY
20 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
21 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
22 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 */
27using System;
28using System.Collections.Generic;
29using System.Net;
30using System.Reflection;
31
32using log4net;
33
34using OpenMetaverse;
35using Nini.Config;
36
37using OpenSim.Framework;
38using OpenSim.Framework.ServiceAuth;
39using OpenSim.Services.Connectors;
40using OpenSim.Services.Interfaces;
41using OpenSim.Server.Base;
42
43namespace OpenSim.Services.Connectors
44{
45 public class EstateDataRemoteConnector : BaseServiceConnector, IEstateDataService
46 {
47 private static readonly ILog m_log =
48 LogManager.GetLogger(
49 MethodBase.GetCurrentMethod().DeclaringType);
50
51 private string m_ServerURI = String.Empty;
52 private ExpiringCache<string, List<EstateSettings>> m_EstateCache = new ExpiringCache<string, List<EstateSettings>>();
53 private const int EXPIRATION = 5 * 60; // 5 minutes in secs
54
55 public EstateDataRemoteConnector(IConfigSource source)
56 {
57 Initialise(source);
58 }
59
60 public virtual void Initialise(IConfigSource source)
61 {
62 IConfig gridConfig = source.Configs["EstateService"];
63 if (gridConfig == null)
64 {
65 m_log.Error("[ESTATE CONNECTOR]: EstateService missing from OpenSim.ini");
66 throw new Exception("Estate connector init error");
67 }
68
69 string serviceURI = gridConfig.GetString("EstateServerURI",
70 String.Empty);
71
72 if (serviceURI == String.Empty)
73 {
74 m_log.Error("[ESTATE CONNECTOR]: No Server URI named in section EstateService");
75 throw new Exception("Estate connector init error");
76 }
77 m_ServerURI = serviceURI;
78
79 base.Initialise(source, "EstateService");
80 }
81
82 #region IEstateDataService
83
84 public List<EstateSettings> LoadEstateSettingsAll()
85 {
86 string reply = string.Empty;
87 string uri = m_ServerURI + "/estates";
88
89 reply = MakeRequest("GET", uri, string.Empty);
90 if (String.IsNullOrEmpty(reply))
91 return new List<EstateSettings>();
92
93 Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
94
95 List<EstateSettings> estates = new List<EstateSettings>();
96 if (replyData != null && replyData.Count > 0)
97 {
98 m_log.DebugFormat("[ESTATE CONNECTOR]: LoadEstateSettingsAll returned {0} elements", replyData.Count);
99 Dictionary<string, object>.ValueCollection estateData = replyData.Values;
100 foreach (object r in estateData)
101 {
102 if (r is Dictionary<string, object>)
103 {
104 EstateSettings es = new EstateSettings((Dictionary<string, object>)r);
105 estates.Add(es);
106 }
107 }
108 m_EstateCache.AddOrUpdate("estates", estates, EXPIRATION);
109 }
110 else
111 m_log.DebugFormat("[ESTATE CONNECTOR]: LoadEstateSettingsAll from {0} received null or zero response", uri);
112
113 return estates;
114
115 }
116
117 public List<int> GetEstatesAll()
118 {
119 List<int> eids = new List<int>();
120 // If we don't have them, load them from the server
121 List<EstateSettings> estates = null;
122 if (!m_EstateCache.TryGetValue("estates", out estates))
123 LoadEstateSettingsAll();
124
125 foreach (EstateSettings es in estates)
126 eids.Add((int)es.EstateID);
127
128 return eids;
129 }
130
131 public List<int> GetEstates(string search)
132 {
133 // If we don't have them, load them from the server
134 List<EstateSettings> estates = null;
135 if (!m_EstateCache.TryGetValue("estates", out estates))
136 LoadEstateSettingsAll();
137
138 List<int> eids = new List<int>();
139 foreach (EstateSettings es in estates)
140 if (es.EstateName == search)
141 eids.Add((int)es.EstateID);
142
143 return eids;
144 }
145
146 public List<int> GetEstatesByOwner(UUID ownerID)
147 {
148 // If we don't have them, load them from the server
149 List<EstateSettings> estates = null;
150 if (!m_EstateCache.TryGetValue("estates", out estates))
151 LoadEstateSettingsAll();
152
153 List<int> eids = new List<int>();
154 foreach (EstateSettings es in estates)
155 if (es.EstateOwner == ownerID)
156 eids.Add((int)es.EstateID);
157
158 return eids;
159 }
160
161 public List<UUID> GetRegions(int estateID)
162 {
163 string reply = string.Empty;
164 // /estates/regions/?eid=int
165 string uri = m_ServerURI + "/estates/regions/?eid=" + estateID.ToString();
166
167 reply = MakeRequest("GET", uri, string.Empty);
168 if (String.IsNullOrEmpty(reply))
169 return new List<UUID>();
170
171 Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
172
173 List<UUID> regions = new List<UUID>();
174 if (replyData != null && replyData.Count > 0)
175 {
176 m_log.DebugFormat("[ESTATE CONNECTOR]: GetRegions for estate {0} returned {1} elements", estateID, replyData.Count);
177 Dictionary<string, object>.ValueCollection data = replyData.Values;
178 foreach (object r in data)
179 {
180 UUID uuid = UUID.Zero;
181 if (UUID.TryParse(r.ToString(), out uuid))
182 regions.Add(uuid);
183 }
184 }
185 else
186 m_log.DebugFormat("[ESTATE CONNECTOR]: GetRegions from {0} received null or zero response", uri);
187
188 return regions;
189 }
190
191 public EstateSettings LoadEstateSettings(UUID regionID, bool create)
192 {
193 string reply = string.Empty;
194 // /estates/estate/?region=uuid&create=[t|f]
195 string uri = m_ServerURI + string.Format("/estates/estate/?region={0}&create={1}", regionID, create);
196
197 reply = MakeRequest("GET", uri, string.Empty);
198 if (String.IsNullOrEmpty(reply))
199 return null;
200
201 Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
202
203 if (replyData != null && replyData.Count > 0)
204 {
205 m_log.DebugFormat("[ESTATE CONNECTOR]: LoadEstateSettings({0}) returned {1} elements", regionID, replyData.Count);
206 EstateSettings es = new EstateSettings(replyData);
207 return es;
208 }
209 else
210 m_log.DebugFormat("[ESTATE CONNECTOR]: LoadEstateSettings(regionID) from {0} received null or zero response", uri);
211
212 return null;
213 }
214
215 public EstateSettings LoadEstateSettings(int estateID)
216 {
217 string reply = string.Empty;
218 // /estates/estate/?eid=int
219 string uri = m_ServerURI + string.Format("/estates/estate/?eid={0}", estateID);
220
221 reply = MakeRequest("GET", uri, string.Empty);
222 if (String.IsNullOrEmpty(reply))
223 return null;
224
225 Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
226
227 if (replyData != null && replyData.Count > 0)
228 {
229 m_log.DebugFormat("[ESTATE CONNECTOR]: LoadEstateSettings({0}) returned {1} elements", estateID, replyData.Count);
230 EstateSettings es = new EstateSettings(replyData);
231 return es;
232 }
233 else
234 m_log.DebugFormat("[ESTATE CONNECTOR]: LoadEstateSettings(estateID) from {0} received null or zero response", uri);
235
236 return null;
237 }
238
239 /// <summary>
240 /// Forbidden operation
241 /// </summary>
242 /// <returns></returns>
243 public EstateSettings CreateNewEstate()
244 {
245 // No can do
246 return null;
247 }
248
249 public void StoreEstateSettings(EstateSettings es)
250 {
251 // /estates/estate/
252 string uri = m_ServerURI + ("/estates/estate");
253
254 Dictionary<string, object> formdata = es.ToMap();
255 formdata["OP"] = "STORE";
256
257 PostRequest(uri, formdata);
258 }
259
260 public bool LinkRegion(UUID regionID, int estateID)
261 {
262 // /estates/estate/?eid=int&region=uuid
263 string uri = m_ServerURI + String.Format("/estates/estate/?eid={0}&region={1}", estateID, regionID);
264
265 Dictionary<string, object> formdata = new Dictionary<string, object>();
266 formdata["OP"] = "LINK";
267 return PostRequest(uri, formdata);
268 }
269
270 private bool PostRequest(string uri, Dictionary<string, object> sendData)
271 {
272 string reqString = ServerUtils.BuildQueryString(sendData);
273
274 string reply = MakeRequest("POST", uri, reqString);
275 if (String.IsNullOrEmpty(reply))
276 return false;
277
278 Dictionary<string, object> replyData = ServerUtils.ParseXmlResponse(reply);
279
280 bool result = false;
281 if (replyData != null && replyData.Count > 0)
282 {
283 if (replyData.ContainsKey("Result"))
284 {
285 if (Boolean.TryParse(replyData["Result"].ToString(), out result))
286 m_log.DebugFormat("[ESTATE CONNECTOR]: PostRequest {0} returned {1}", uri, result);
287 }
288 }
289 else
290 m_log.DebugFormat("[ESTATE CONNECTOR]: PostRequest {0} received null or zero response", uri);
291
292 return result;
293 }
294
295 /// <summary>
296 /// Forbidden operation
297 /// </summary>
298 /// <returns></returns>
299 public bool DeleteEstate(int estateID)
300 {
301 return false;
302 }
303
304 #endregion
305
306 private string MakeRequest(string verb, string uri, string formdata)
307 {
308 string reply = string.Empty;
309 try
310 {
311 reply = SynchronousRestFormsRequester.MakeRequest(verb, uri, formdata, m_Auth);
312 }
313 catch (WebException e)
314 {
315 using (HttpWebResponse hwr = (HttpWebResponse)e.Response)
316 {
317 if (hwr != null)
318 {
319 if (hwr.StatusCode == HttpStatusCode.NotFound)
320 m_log.Error(string.Format("[ESTATE CONNECTOR]: Resource {0} not found ", uri));
321 if (hwr.StatusCode == HttpStatusCode.Unauthorized)
322 m_log.Error(string.Format("[ESTATE CONNECTOR]: Web request {0} requires authentication ", uri));
323 }
324 else
325 m_log.Error(string.Format(
326 "[ESTATE CONNECTOR]: WebException for {0} {1} {2} ",
327 verb, uri, formdata, e));
328 }
329 }
330 catch (Exception e)
331 {
332 m_log.DebugFormat("[ESTATE CONNECTOR]: Exception when contacting estate server at {0}: {1}", uri, e.Message);
333 }
334
335 return reply;
336 }
337 }
338}