diff options
Diffstat (limited to 'OpenSim/Region/CoreModules/Avatar/InstantMessage/XMuteModule.cs')
-rw-r--r-- | OpenSim/Region/CoreModules/Avatar/InstantMessage/XMuteModule.cs | 357 |
1 files changed, 357 insertions, 0 deletions
diff --git a/OpenSim/Region/CoreModules/Avatar/InstantMessage/XMuteModule.cs b/OpenSim/Region/CoreModules/Avatar/InstantMessage/XMuteModule.cs new file mode 100644 index 0000000..fb5239f --- /dev/null +++ b/OpenSim/Region/CoreModules/Avatar/InstantMessage/XMuteModule.cs | |||
@@ -0,0 +1,357 @@ | |||
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 | */ | ||
27 | using System; | ||
28 | using System.Collections.Generic; | ||
29 | using System.Reflection; | ||
30 | using log4net; | ||
31 | using Nini.Config; | ||
32 | using OpenMetaverse; | ||
33 | using OpenSim.Framework; | ||
34 | using OpenSim.Framework.Servers; | ||
35 | using OpenSim.Framework.Client; | ||
36 | using OpenSim.Region.Framework.Interfaces; | ||
37 | using OpenSim.Region.Framework.Scenes; | ||
38 | using Mono.Addins; | ||
39 | using OpenSim.Data; | ||
40 | using OpenSim.Data.MySQL; | ||
41 | using MySql.Data.MySqlClient; | ||
42 | using System.Security.Cryptography; | ||
43 | |||
44 | namespace OpenSim.Region.CoreModules.Avatar.InstantMessage | ||
45 | { | ||
46 | public class MuteData | ||
47 | { | ||
48 | public UUID AgentID; | ||
49 | public UUID MuteID; | ||
50 | public string MuteName; | ||
51 | public int MuteType; | ||
52 | public int MuteFlags; | ||
53 | public int Stamp; | ||
54 | } | ||
55 | |||
56 | [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "XMute")] | ||
57 | public class XMuteModule : ISharedRegionModule | ||
58 | { | ||
59 | private static readonly ILog m_log = LogManager.GetLogger( | ||
60 | MethodBase.GetCurrentMethod().DeclaringType); | ||
61 | |||
62 | protected bool m_Enabled = true; | ||
63 | protected List<Scene> m_SceneList = new List<Scene>(); | ||
64 | protected MuteTableHandler m_MuteTable; | ||
65 | protected string m_DatabaseConnect; | ||
66 | |||
67 | public void Initialise(IConfigSource config) | ||
68 | { | ||
69 | IConfig cnf = config.Configs["Messaging"]; | ||
70 | if (cnf == null) | ||
71 | { | ||
72 | m_Enabled = false; | ||
73 | return; | ||
74 | } | ||
75 | |||
76 | if (cnf.GetString("MuteListModule", "None") != | ||
77 | "XMute") | ||
78 | { | ||
79 | m_Enabled = false; | ||
80 | return; | ||
81 | } | ||
82 | |||
83 | m_DatabaseConnect = cnf.GetString("MuteDatabaseConnect", String.Empty); | ||
84 | if (m_DatabaseConnect == String.Empty) | ||
85 | { | ||
86 | m_log.Debug("[XMute]: MuteDatabaseConnect missing or empty"); | ||
87 | m_Enabled = false; | ||
88 | return; | ||
89 | } | ||
90 | |||
91 | m_MuteTable = new MuteTableHandler( | ||
92 | m_DatabaseConnect, "XMute", String.Empty); | ||
93 | } | ||
94 | |||
95 | public void AddRegion(Scene scene) | ||
96 | { | ||
97 | if (!m_Enabled) | ||
98 | return; | ||
99 | |||
100 | lock (m_SceneList) | ||
101 | { | ||
102 | m_SceneList.Add(scene); | ||
103 | |||
104 | scene.EventManager.OnNewClient += OnNewClient; | ||
105 | } | ||
106 | } | ||
107 | |||
108 | public void RegionLoaded(Scene scene) | ||
109 | { | ||
110 | } | ||
111 | |||
112 | public void RemoveRegion(Scene scene) | ||
113 | { | ||
114 | if (!m_Enabled) | ||
115 | return; | ||
116 | |||
117 | lock (m_SceneList) | ||
118 | { | ||
119 | m_SceneList.Remove(scene); | ||
120 | } | ||
121 | } | ||
122 | |||
123 | public void PostInitialise() | ||
124 | { | ||
125 | if (!m_Enabled) | ||
126 | return; | ||
127 | |||
128 | m_log.Debug("[XMute]: Mute list enabled"); | ||
129 | } | ||
130 | |||
131 | public string Name | ||
132 | { | ||
133 | get { return "XMuteModule"; } | ||
134 | } | ||
135 | |||
136 | public Type ReplaceableInterface | ||
137 | { | ||
138 | get { return null; } | ||
139 | } | ||
140 | |||
141 | public void Close() | ||
142 | { | ||
143 | } | ||
144 | |||
145 | private void OnNewClient(IClientAPI client) | ||
146 | { | ||
147 | client.OnMuteListRequest += OnMuteListRequest; | ||
148 | client.OnUpdateMuteListEntry += OnUpdateMuteListEntry; | ||
149 | client.OnRemoveMuteListEntry += OnRemoveMuteListEntry; | ||
150 | } | ||
151 | |||
152 | private void OnMuteListRequest(IClientAPI client, uint crc) | ||
153 | { | ||
154 | string filename = "mutes"+client.AgentId.ToString(); | ||
155 | |||
156 | IXfer xfer = client.Scene.RequestModuleInterface<IXfer>(); | ||
157 | if (xfer != null) | ||
158 | { | ||
159 | MuteData[] data = m_MuteTable.Get("AgentID", client.AgentId.ToString()); | ||
160 | if (data == null || data.Length == 0) | ||
161 | { | ||
162 | xfer.AddNewFile(filename, new Byte[0]); | ||
163 | } | ||
164 | else | ||
165 | { | ||
166 | List<string> mutes = new List<string>(); | ||
167 | |||
168 | foreach (MuteData d in data) | ||
169 | mutes.Add(String.Format("{0} {1} {2}|{3}", | ||
170 | d.MuteType, | ||
171 | d.MuteID.ToString(), | ||
172 | d.MuteName, | ||
173 | d.MuteFlags)); | ||
174 | |||
175 | Byte[] filedata = Util.UTF8.GetBytes(String.Join("\n", | ||
176 | mutes.ToArray()) + "\n"); | ||
177 | |||
178 | uint dataCrc = Crc32.Compute(filedata); | ||
179 | |||
180 | if (dataCrc == crc) | ||
181 | { | ||
182 | client.SendUseCachedMuteList(); | ||
183 | return; | ||
184 | } | ||
185 | |||
186 | xfer.AddNewFile(filename, filedata); | ||
187 | } | ||
188 | |||
189 | client.SendMuteListUpdate(filename); | ||
190 | } | ||
191 | } | ||
192 | |||
193 | private void OnUpdateMuteListEntry(IClientAPI client, UUID muteID, string muteName, int muteType, uint muteFlags) | ||
194 | { | ||
195 | MuteData mute = new MuteData(); | ||
196 | |||
197 | mute.AgentID = client.AgentId; | ||
198 | mute.MuteID = muteID; | ||
199 | mute.MuteName = muteName; | ||
200 | mute.MuteType = muteType; | ||
201 | mute.MuteFlags = (int)muteFlags; | ||
202 | mute.Stamp = Util.UnixTimeSinceEpoch(); | ||
203 | |||
204 | m_MuteTable.Store(mute); | ||
205 | } | ||
206 | |||
207 | private void OnRemoveMuteListEntry(IClientAPI client, UUID muteID, string muteName) | ||
208 | { | ||
209 | m_MuteTable.Delete(new string[] { "AgentID", | ||
210 | "MuteID", | ||
211 | "MuteName" }, | ||
212 | new string[] { client.AgentId.ToString(), | ||
213 | muteID.ToString(), | ||
214 | muteName }); | ||
215 | } | ||
216 | } | ||
217 | |||
218 | public class MuteTableHandler : MySQLGenericTableHandler<MuteData> | ||
219 | { | ||
220 | public MuteTableHandler(string conn, string realm, string m) : base(conn, realm, m) | ||
221 | { | ||
222 | } | ||
223 | |||
224 | public bool Delete(string[] fields, string[] val) | ||
225 | { | ||
226 | if (fields.Length != val.Length) | ||
227 | return false; | ||
228 | |||
229 | using (MySqlCommand cmd = new MySqlCommand()) | ||
230 | { | ||
231 | string text = String.Format("delete from {0} where ", m_Realm); | ||
232 | |||
233 | List<string> terms = new List<string>(); | ||
234 | |||
235 | for (int i = 0 ; i < fields.Length ; i++) | ||
236 | { | ||
237 | terms.Add(String.Format("{0} = ?{0}", fields[i])); | ||
238 | cmd.Parameters.AddWithValue("?" + fields[i], val[i]); | ||
239 | } | ||
240 | |||
241 | text += string.Join(" and ", terms.ToArray()); | ||
242 | |||
243 | cmd.CommandText = text; | ||
244 | |||
245 | if (ExecuteNonQuery(cmd) > 0) | ||
246 | return true; | ||
247 | return false; | ||
248 | } | ||
249 | } | ||
250 | } | ||
251 | |||
252 | public class Crc32 : HashAlgorithm | ||
253 | { | ||
254 | public const UInt32 DefaultPolynomial = 0xedb88320; | ||
255 | public const UInt32 DefaultSeed = 0xffffffff; | ||
256 | |||
257 | private UInt32 hash; | ||
258 | private UInt32 seed; | ||
259 | private UInt32[] table; | ||
260 | private static UInt32[] defaultTable; | ||
261 | |||
262 | public Crc32() | ||
263 | { | ||
264 | table = InitializeTable(DefaultPolynomial); | ||
265 | seed = DefaultSeed; | ||
266 | Initialize(); | ||
267 | } | ||
268 | |||
269 | public Crc32(UInt32 polynomial, UInt32 seed) | ||
270 | { | ||
271 | table = InitializeTable(polynomial); | ||
272 | this.seed = seed; | ||
273 | Initialize(); | ||
274 | } | ||
275 | |||
276 | public override void Initialize() | ||
277 | { | ||
278 | hash = seed; | ||
279 | } | ||
280 | |||
281 | protected override void HashCore(byte[] buffer, int start, int length) | ||
282 | { | ||
283 | hash = CalculateHash(table, hash, buffer, start, length); | ||
284 | } | ||
285 | |||
286 | protected override byte[] HashFinal() | ||
287 | { | ||
288 | byte[] hashBuffer = UInt32ToBigEndianBytes(~hash); | ||
289 | this.HashValue = hashBuffer; | ||
290 | return hashBuffer; | ||
291 | } | ||
292 | |||
293 | public override int HashSize | ||
294 | { | ||
295 | get { return 32; } | ||
296 | } | ||
297 | |||
298 | public static UInt32 Compute(byte[] buffer) | ||
299 | { | ||
300 | return ~CalculateHash(InitializeTable(DefaultPolynomial), DefaultSeed, buffer, 0, buffer.Length); | ||
301 | } | ||
302 | |||
303 | public static UInt32 Compute(UInt32 seed, byte[] buffer) | ||
304 | { | ||
305 | return ~CalculateHash(InitializeTable(DefaultPolynomial), seed, buffer, 0, buffer.Length); | ||
306 | } | ||
307 | |||
308 | public static UInt32 Compute(UInt32 polynomial, UInt32 seed, byte[] buffer) | ||
309 | { | ||
310 | return ~CalculateHash(InitializeTable(polynomial), seed, buffer, 0, buffer.Length); | ||
311 | } | ||
312 | |||
313 | private static UInt32[] InitializeTable(UInt32 polynomial) | ||
314 | { | ||
315 | if (polynomial == DefaultPolynomial && defaultTable != null) | ||
316 | return defaultTable; | ||
317 | |||
318 | UInt32[] createTable = new UInt32[256]; | ||
319 | for (int i = 0; i < 256; i++) | ||
320 | { | ||
321 | UInt32 entry = (UInt32)i; | ||
322 | for (int j = 0; j < 8; j++) | ||
323 | if ((entry & 1) == 1) | ||
324 | entry = (entry >> 1) ^ polynomial; | ||
325 | else | ||
326 | entry = entry >> 1; | ||
327 | createTable[i] = entry; | ||
328 | } | ||
329 | |||
330 | if (polynomial == DefaultPolynomial) | ||
331 | defaultTable = createTable; | ||
332 | |||
333 | return createTable; | ||
334 | } | ||
335 | |||
336 | private static UInt32 CalculateHash(UInt32[] table, UInt32 seed, byte[] buffer, int start, int size) | ||
337 | { | ||
338 | UInt32 crc = seed; | ||
339 | for (int i = start; i < size; i++) | ||
340 | unchecked | ||
341 | { | ||
342 | crc = (crc >> 8) ^ table[buffer[i] ^ crc & 0xff]; | ||
343 | } | ||
344 | return crc; | ||
345 | } | ||
346 | |||
347 | private byte[] UInt32ToBigEndianBytes(UInt32 x) | ||
348 | { | ||
349 | return new byte[] { | ||
350 | (byte)((x >> 24) & 0xff), | ||
351 | (byte)((x >> 16) & 0xff), | ||
352 | (byte)((x >> 8) & 0xff), | ||
353 | (byte)(x & 0xff) }; | ||
354 | } | ||
355 | } | ||
356 | } | ||
357 | |||