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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 */
27
28using System;
29using System.Collections.Generic;
30using System.Data;
31using System.Reflection;
32using System.Threading;
33using log4net;
34using MySql.Data.MySqlClient;
35using OpenMetaverse;
36using OpenSim.Framework;
37
38namespace OpenSim.Data.MySQL
39{
40 /// <summary>
41 /// A MySQL Interface for the Grid Server
42 /// </summary>
43 public class MySQLGridData : GridDataBase
44 {
45 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
46
47 private MySQLManager m_database;
48 private object m_dbLock = new object();
49 private string m_connectionString;
50
51 override public void Initialise()
52 {
53 m_log.Info("[MySQLGridData]: " + Name + " cannot be default-initialized!");
54 throw new PluginNotInitialisedException (Name);
55 }
56
57 /// <summary>
58 /// <para>Initialises Grid interface</para>
59 /// <para>
60 /// <list type="bullet">
61 /// <item>Loads and initialises the MySQL storage plugin</item>
62 /// <item>Warns and uses the obsolete mysql_connection.ini if connect string is empty.</item>
63 /// <item>Check for migration</item>
64 /// </list>
65 /// </para>
66 /// </summary>
67 /// <param name="connect">connect string.</param>
68 override public void Initialise(string connect)
69 {
70 m_connectionString = connect;
71 m_database = new MySQLManager(connect);
72
73 // This actually does the roll forward assembly stuff
74 Assembly assem = GetType().Assembly;
75
76 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
77 {
78 Migration m = new Migration(dbcon, assem, "GridStore");
79 m.Update();
80 }
81 }
82
83 /// <summary>
84 /// Shuts down the grid interface
85 /// </summary>
86 override public void Dispose()
87 {
88 }
89
90 /// <summary>
91 /// Returns the plugin name
92 /// </summary>
93 /// <returns>Plugin name</returns>
94 override public string Name
95 {
96 get { return "MySql OpenGridData"; }
97 }
98
99 /// <summary>
100 /// Returns the plugin version
101 /// </summary>
102 /// <returns>Plugin version</returns>
103 override public string Version
104 {
105 get { return "0.1"; }
106 }
107
108 /// <summary>
109 /// Returns all the specified region profiles within coordates -- coordinates are inclusive
110 /// </summary>
111 /// <param name="xmin">Minimum X coordinate</param>
112 /// <param name="ymin">Minimum Y coordinate</param>
113 /// <param name="xmax">Maximum X coordinate</param>
114 /// <param name="ymax">Maximum Y coordinate</param>
115 /// <returns>Array of sim profiles</returns>
116 override public RegionProfileData[] GetProfilesInRange(uint xmin, uint ymin, uint xmax, uint ymax)
117 {
118 try
119 {
120 Dictionary<string, object> param = new Dictionary<string, object>();
121 param["?xmin"] = xmin.ToString();
122 param["?ymin"] = ymin.ToString();
123 param["?xmax"] = xmax.ToString();
124 param["?ymax"] = ymax.ToString();
125
126 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
127 {
128 dbcon.Open();
129
130 using (IDbCommand result = m_database.Query(dbcon,
131 "SELECT * FROM regions WHERE locX >= ?xmin AND locX <= ?xmax AND locY >= ?ymin AND locY <= ?ymax",
132 param))
133 {
134 using (IDataReader reader = result.ExecuteReader())
135 {
136 RegionProfileData row;
137
138 List<RegionProfileData> rows = new List<RegionProfileData>();
139
140 while ((row = m_database.readSimRow(reader)) != null)
141 rows.Add(row);
142
143 return rows.ToArray();
144 }
145 }
146 }
147 }
148 catch (Exception e)
149 {
150 m_log.Error(e.Message, e);
151 return null;
152 }
153 }
154
155 /// <summary>
156 /// Returns up to maxNum profiles of regions that have a name starting with namePrefix
157 /// </summary>
158 /// <param name="name">The name to match against</param>
159 /// <param name="maxNum">Maximum number of profiles to return</param>
160 /// <returns>A list of sim profiles</returns>
161 override public List<RegionProfileData> GetRegionsByName(string namePrefix, uint maxNum)
162 {
163 try
164 {
165 Dictionary<string, object> param = new Dictionary<string, object>();
166 param["?name"] = namePrefix + "%";
167
168 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
169 {
170 dbcon.Open();
171
172 using (IDbCommand result = m_database.Query(dbcon,
173 "SELECT * FROM regions WHERE regionName LIKE ?name",
174 param))
175 {
176 using (IDataReader reader = result.ExecuteReader())
177 {
178 RegionProfileData row;
179
180 List<RegionProfileData> rows = new List<RegionProfileData>();
181
182 while (rows.Count < maxNum && (row = m_database.readSimRow(reader)) != null)
183 rows.Add(row);
184
185 return rows;
186 }
187 }
188 }
189 }
190 catch (Exception e)
191 {
192 m_log.Error(e.Message, e);
193 return null;
194 }
195 }
196
197 /// <summary>
198 /// Returns a sim profile from it's location
199 /// </summary>
200 /// <param name="handle">Region location handle</param>
201 /// <returns>Sim profile</returns>
202 override public RegionProfileData GetProfileByHandle(ulong handle)
203 {
204 try
205 {
206 Dictionary<string, object> param = new Dictionary<string, object>();
207 param["?handle"] = handle.ToString();
208
209 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
210 {
211 dbcon.Open();
212
213 using (IDbCommand result = m_database.Query(dbcon, "SELECT * FROM regions WHERE regionHandle = ?handle", param))
214 {
215 using (IDataReader reader = result.ExecuteReader())
216 {
217 RegionProfileData row = m_database.readSimRow(reader);
218 return row;
219 }
220 }
221 }
222 }
223 catch (Exception e)
224 {
225 m_log.Error(e.Message, e);
226 return null;
227 }
228 }
229
230 /// <summary>
231 /// Returns a sim profile from it's UUID
232 /// </summary>
233 /// <param name="uuid">The region UUID</param>
234 /// <returns>The sim profile</returns>
235 override public RegionProfileData GetProfileByUUID(UUID uuid)
236 {
237 try
238 {
239 Dictionary<string, object> param = new Dictionary<string, object>();
240 param["?uuid"] = uuid.ToString();
241
242 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
243 {
244 dbcon.Open();
245
246 using (IDbCommand result = m_database.Query(dbcon, "SELECT * FROM regions WHERE uuid = ?uuid", param))
247 {
248 using (IDataReader reader = result.ExecuteReader())
249 {
250 RegionProfileData row = m_database.readSimRow(reader);
251 return row;
252 }
253 }
254 }
255 }
256 catch (Exception e)
257 {
258 m_log.Error(e.Message, e);
259 return null;
260 }
261 }
262
263 /// <summary>
264 /// Returns a sim profile from it's Region name string
265 /// </summary>
266 /// <returns>The sim profile</returns>
267 override public RegionProfileData GetProfileByString(string regionName)
268 {
269 if (regionName.Length > 2)
270 {
271 try
272 {
273 Dictionary<string, object> param = new Dictionary<string, object>();
274 // Add % because this is a like query.
275 param["?regionName"] = regionName + "%";
276
277 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
278 {
279 dbcon.Open();
280
281 // Order by statement will return shorter matches first. Only returns one record or no record.
282 using (IDbCommand result = m_database.Query(dbcon,
283 "SELECT * FROM regions WHERE regionName like ?regionName order by LENGTH(regionName) asc LIMIT 1",
284 param))
285 {
286 using (IDataReader reader = result.ExecuteReader())
287 {
288 RegionProfileData row = m_database.readSimRow(reader);
289 return row;
290 }
291 }
292 }
293 }
294 catch (Exception e)
295 {
296 m_log.Error(e.Message, e);
297 return null;
298 }
299 }
300
301 m_log.Error("[GRID DB]: Searched for a Region Name shorter then 3 characters");
302 return null;
303 }
304
305 /// <summary>
306 /// Adds a new profile to the database
307 /// </summary>
308 /// <param name="profile">The profile to add</param>
309 /// <returns>Successful?</returns>
310 override public DataResponse StoreProfile(RegionProfileData profile)
311 {
312 try
313 {
314 if (m_database.insertRegion(profile))
315 return DataResponse.RESPONSE_OK;
316 else
317 return DataResponse.RESPONSE_ERROR;
318 }
319 catch
320 {
321 return DataResponse.RESPONSE_ERROR;
322 }
323 }
324
325 /// <summary>
326 /// Deletes a sim profile from the database
327 /// </summary>
328 /// <param name="uuid">the sim UUID</param>
329 /// <returns>Successful?</returns>
330 //public DataResponse DeleteProfile(RegionProfileData profile)
331 override public DataResponse DeleteProfile(string uuid)
332 {
333 try
334 {
335 if (m_database.deleteRegion(uuid))
336 return DataResponse.RESPONSE_OK;
337 else
338 return DataResponse.RESPONSE_ERROR;
339 }
340 catch
341 {
342 return DataResponse.RESPONSE_ERROR;
343 }
344 }
345
346 /// <summary>
347 /// DEPRECATED. Attempts to authenticate a region by comparing a shared secret.
348 /// </summary>
349 /// <param name="uuid">The UUID of the challenger</param>
350 /// <param name="handle">The attempted regionHandle of the challenger</param>
351 /// <param name="authkey">The secret</param>
352 /// <returns>Whether the secret and regionhandle match the database entry for UUID</returns>
353 override public bool AuthenticateSim(UUID uuid, ulong handle, string authkey)
354 {
355 bool throwHissyFit = false; // Should be true by 1.0
356
357 if (throwHissyFit)
358 throw new Exception("CRYPTOWEAK AUTHENTICATE: Refusing to authenticate due to replay potential.");
359
360 RegionProfileData data = GetProfileByUUID(uuid);
361
362 return (handle == data.regionHandle && authkey == data.regionSecret);
363 }
364
365 /// <summary>
366 /// NOT YET FUNCTIONAL. Provides a cryptographic authentication of a region
367 /// </summary>
368 /// <remarks>This requires a security audit.</remarks>
369 /// <param name="uuid"></param>
370 /// <param name="handle"></param>
371 /// <param name="authhash"></param>
372 /// <param name="challenge"></param>
373 /// <returns></returns>
374 public bool AuthenticateSim(UUID uuid, ulong handle, string authhash, string challenge)
375 {
376 // SHA512Managed HashProvider = new SHA512Managed();
377 // Encoding TextProvider = new UTF8Encoding();
378
379 // byte[] stream = TextProvider.GetBytes(uuid.ToString() + ":" + handle.ToString() + ":" + challenge);
380 // byte[] hash = HashProvider.ComputeHash(stream);
381
382 return false;
383 }
384
385 /// <summary>
386 /// Adds a location reservation
387 /// </summary>
388 /// <param name="x">x coordinate</param>
389 /// <param name="y">y coordinate</param>
390 /// <returns></returns>
391 override public ReservationData GetReservationAtPoint(uint x, uint y)
392 {
393 try
394 {
395 Dictionary<string, object> param = new Dictionary<string, object>();
396 param["?x"] = x.ToString();
397 param["?y"] = y.ToString();
398
399 using (MySqlConnection dbcon = new MySqlConnection(m_connectionString))
400 {
401 dbcon.Open();
402
403 using (IDbCommand result = m_database.Query(dbcon,
404 "SELECT * FROM reservations WHERE resXMin <= ?x AND resXMax >= ?x AND resYMin <= ?y AND resYMax >= ?y",
405 param))
406 {
407 using (IDataReader reader = result.ExecuteReader())
408 {
409 ReservationData row = m_database.readReservationRow(reader);
410 return row;
411 }
412 }
413 }
414 }
415 catch (Exception e)
416 {
417 m_log.Error(e.Message, e);
418 return null;
419 }
420 }
421 }
422}
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