diff options
Diffstat (limited to 'OpenSim/Region/CoreModules/Avatar/InstantMessage/XMuteModule.cs')
-rw-r--r-- | OpenSim/Region/CoreModules/Avatar/InstantMessage/XMuteModule.cs | 125 |
1 files changed, 5 insertions, 120 deletions
diff --git a/OpenSim/Region/CoreModules/Avatar/InstantMessage/XMuteModule.cs b/OpenSim/Region/CoreModules/Avatar/InstantMessage/XMuteModule.cs index fb5239f..ac542c2 100644 --- a/OpenSim/Region/CoreModules/Avatar/InstantMessage/XMuteModule.cs +++ b/OpenSim/Region/CoreModules/Avatar/InstantMessage/XMuteModule.cs | |||
@@ -27,6 +27,7 @@ | |||
27 | using System; | 27 | using System; |
28 | using System.Collections.Generic; | 28 | using System.Collections.Generic; |
29 | using System.Reflection; | 29 | using System.Reflection; |
30 | using System.Text; | ||
30 | using log4net; | 31 | using log4net; |
31 | using Nini.Config; | 32 | using Nini.Config; |
32 | using OpenMetaverse; | 33 | using OpenMetaverse; |
@@ -43,16 +44,6 @@ using System.Security.Cryptography; | |||
43 | 44 | ||
44 | namespace OpenSim.Region.CoreModules.Avatar.InstantMessage | 45 | namespace OpenSim.Region.CoreModules.Avatar.InstantMessage |
45 | { | 46 | { |
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")] | 47 | [Extension(Path = "/OpenSim/RegionModules", NodeName = "RegionModule", Id = "XMute")] |
57 | public class XMuteModule : ISharedRegionModule | 48 | public class XMuteModule : ISharedRegionModule |
58 | { | 49 | { |
@@ -163,17 +154,16 @@ namespace OpenSim.Region.CoreModules.Avatar.InstantMessage | |||
163 | } | 154 | } |
164 | else | 155 | else |
165 | { | 156 | { |
166 | List<string> mutes = new List<string>(); | 157 | StringBuilder sb = new StringBuilder(1024); |
167 | 158 | ||
168 | foreach (MuteData d in data) | 159 | foreach (MuteData d in data) |
169 | mutes.Add(String.Format("{0} {1} {2}|{3}", | 160 | sb.AppendFormat("{0} {1} {2}|{3}\n", |
170 | d.MuteType, | 161 | d.MuteType, |
171 | d.MuteID.ToString(), | 162 | d.MuteID.ToString(), |
172 | d.MuteName, | 163 | d.MuteName, |
173 | d.MuteFlags)); | 164 | d.MuteFlags); |
174 | 165 | ||
175 | Byte[] filedata = Util.UTF8.GetBytes(String.Join("\n", | 166 | Byte[] filedata = Util.UTF8.GetBytes(sb.ToString()); |
176 | mutes.ToArray()) + "\n"); | ||
177 | 167 | ||
178 | uint dataCrc = Crc32.Compute(filedata); | 168 | uint dataCrc = Crc32.Compute(filedata); |
179 | 169 | ||
@@ -248,110 +238,5 @@ namespace OpenSim.Region.CoreModules.Avatar.InstantMessage | |||
248 | } | 238 | } |
249 | } | 239 | } |
250 | } | 240 | } |
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 | } | 241 | } |
357 | 242 | ||