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authorDiva Canto2009-08-10 06:41:03 -0700
committerDiva Canto2009-08-10 06:41:03 -0700
commita50904a68bdc215d4ccc312627d44c736a1bceb5 (patch)
tree961f463243694779b4dd8399a4deeade4fd77e4f /OpenSim/Framework/Communications/Cache
parentMerge branch 'master' of ssh://diva@opensimulator.org/var/git/opensim (diff)
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More clean up from asset cache legacy. None of these classes are used anymore.
Diffstat (limited to 'OpenSim/Framework/Communications/Cache')
-rw-r--r--OpenSim/Framework/Communications/Cache/AssetServerBase.cs246
-rw-r--r--OpenSim/Framework/Communications/Cache/CryptoGridAssetClient.cs559
-rw-r--r--OpenSim/Framework/Communications/Cache/FileAssetClient.cs121
-rw-r--r--OpenSim/Framework/Communications/Cache/GridAssetClient.cs140
4 files changed, 0 insertions, 1066 deletions
diff --git a/OpenSim/Framework/Communications/Cache/AssetServerBase.cs b/OpenSim/Framework/Communications/Cache/AssetServerBase.cs
deleted file mode 100644
index 4b2a752..0000000
--- a/OpenSim/Framework/Communications/Cache/AssetServerBase.cs
+++ /dev/null
@@ -1,246 +0,0 @@
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.Reflection;
30using System.Threading;
31using log4net;
32using OpenMetaverse;
33using OpenSim.Data;
34using OpenSim.Framework.AssetLoader.Filesystem;
35using OpenSim.Framework.Statistics;
36
37namespace OpenSim.Framework.Communications.Cache
38{
39 public abstract class AssetServerBase : IAssetServer
40 {
41 private static readonly ILog m_log
42 = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
43
44 protected IAssetReceiver m_receiver;
45 protected BlockingQueue<AssetRequest> m_assetRequests = new BlockingQueue<AssetRequest>();
46 protected Thread m_localAssetServerThread;
47 protected IAssetDataPlugin m_assetProvider;
48
49 #region IPlugin
50
51 /// <summary>
52 /// The methods and properties in this region are needed to implement
53 /// the IPlugin interface and its local extensions.
54 /// These can all be overridden as appropriate by a derived class.
55 /// These methods are only applicable when a class is loaded by the
56 /// IPlugin mechanism.
57 ///
58 /// Note that in the case of AssetServerBase, all initialization is
59 /// performed by the default constructor, so nothing additional is
60 /// required here. A derived class may wish to do more.
61 /// </summary>
62
63 public virtual string Name
64 {
65 // get { return "OpenSim.Framework.Communications.Cache.AssetServerBase"; }
66 get { return "AssetServerBase"; }
67 }
68
69 public virtual string Version
70 {
71 get { return "1.0"; }
72 }
73
74 public virtual void Initialise()
75 {
76 m_log.Debug("[ASSET SERVER]: IPlugin null initialization");
77 }
78
79 public virtual void Initialise(ConfigSettings settings)
80 {
81 m_log.Debug("[ASSET SERVER]: IPlugin null configured initialization(1)");
82 m_log.InfoFormat("[ASSET SERVER]: Initializing client [{0}/{1}", Name, Version);
83 }
84
85 public virtual void Initialise(ConfigSettings settings, string p_url)
86 {
87 m_log.Debug("[ASSET SERVER]: IPlugin null configured initialization(2)");
88 m_log.InfoFormat("[ASSET SERVER]: Initializing client [{0}/{1}", Name, Version);
89 }
90
91 public virtual void Initialise(ConfigSettings settings, string p_url, string p_dir, bool p_t)
92 {
93 m_log.Debug("[ASSET SERVER]: IPlugin null configured initialization(3)");
94 m_log.InfoFormat("[ASSET SERVER]: Initializing client [{0}/{1}", Name, Version);
95 }
96
97 public virtual void Dispose()
98 {
99 m_log.Debug("[ASSET SERVER]: dispose");
100 }
101
102 #endregion
103
104 public IAssetDataPlugin AssetProviderPlugin
105 {
106 get { return m_assetProvider; }
107 }
108
109 // Temporarily hardcoded - should be a plugin
110 protected IAssetLoader assetLoader = new AssetLoaderFileSystem();
111
112 public virtual void Start()
113 {
114 m_log.Debug("[ASSET SERVER]: Starting asset server");
115
116 m_localAssetServerThread = new Thread(RunRequests);
117 m_localAssetServerThread.Name = "LocalAssetServerThread";
118 m_localAssetServerThread.IsBackground = true;
119 m_localAssetServerThread.Start();
120 ThreadTracker.Add(m_localAssetServerThread);
121 }
122
123 public virtual void Stop()
124 {
125 m_localAssetServerThread.Abort();
126 }
127
128 public abstract void StoreAsset(AssetBase asset);
129
130 /// <summary>
131 /// This method must be implemented by a subclass to retrieve the asset named in the
132 /// AssetRequest. If the asset is not found, null should be returned.
133 /// </summary>
134 /// <param name="req"></param>
135 /// <returns></returns>
136 /// <exception cref="System.Exception">
137 /// Thrown if the request failed for some other reason than that the
138 /// asset cannot be found.
139 /// </exception>
140 protected abstract AssetBase GetAsset(AssetRequest req);
141
142 /// <summary>
143 /// Does the asset server have any waiting requests?
144 /// </summary>
145 ///
146 /// This does include any request that is currently being handled. This information is not reliable where
147 /// another thread may be processing requests.
148 ///
149 /// <returns>
150 /// True if there are waiting requests. False if there are no waiting requests.
151 /// </returns>
152 public virtual bool HasWaitingRequests()
153 {
154 return m_assetRequests.Count() != 0;
155 }
156
157 /// <summary>
158 /// Process an asset request. This method will call GetAsset(AssetRequest req)
159 /// on the subclass.
160 /// </summary>
161 public virtual void ProcessNextRequest()
162 {
163 AssetRequest req = m_assetRequests.Dequeue();
164 AssetBase asset;
165
166 try
167 {
168 asset = GetAsset(req);
169 }
170 catch (Exception e)
171 {
172 m_log.ErrorFormat("[ASSET]: Asset request for {0} threw exception {1} - Stack Trace: {2}", req.AssetID, e, e.StackTrace);
173
174 if (StatsManager.SimExtraStats != null)
175 StatsManager.SimExtraStats.AddAssetServiceRequestFailure();
176
177 m_receiver.AssetNotFound(req.AssetID, req.IsTexture);
178
179 return;
180 }
181
182 if (asset != null)
183 {
184 //m_log.DebugFormat("[ASSET]: Asset {0} received from asset server", req.AssetID);
185
186 m_receiver.AssetReceived(asset, req.IsTexture);
187 }
188 else
189 {
190 //m_log.WarnFormat("[ASSET]: Asset {0} not found by asset server", req.AssetID);
191
192 m_receiver.AssetNotFound(req.AssetID, req.IsTexture);
193 }
194 }
195
196 public virtual void LoadDefaultAssets(string pAssetSetsXml)
197 {
198 m_log.Info("[ASSET SERVER]: Setting up asset database");
199
200 assetLoader.ForEachDefaultXmlAsset(pAssetSetsXml, StoreAsset);
201 }
202
203 private void RunRequests()
204 {
205 while (true) // Since it's a 'blocking queue'
206 {
207 try
208 {
209 ProcessNextRequest();
210 }
211 catch (Exception e)
212 {
213 m_log.Error("[ASSET SERVER]: " + e.ToString());
214 }
215 }
216 }
217
218 /// <summary>
219 /// The receiver will be called back with asset data once it comes in.
220 /// </summary>
221 /// <param name="receiver"></param>
222 public void SetReceiver(IAssetReceiver receiver)
223 {
224 m_receiver = receiver;
225 }
226
227 public void RequestAsset(UUID assetID, bool isTexture)
228 {
229 AssetRequest req = new AssetRequest();
230 req.AssetID = assetID;
231 req.IsTexture = isTexture;
232 m_assetRequests.Enqueue(req);
233
234 //m_log.DebugFormat("[ASSET SERVER]: Added {0} to request queue", assetID);
235 }
236
237 public virtual void UpdateAsset(AssetBase asset)
238 {
239 m_assetProvider.UpdateAsset(asset);
240 }
241
242 public void SetServerInfo(string ServerUrl, string ServerKey)
243 {
244 }
245 }
246}
diff --git a/OpenSim/Framework/Communications/Cache/CryptoGridAssetClient.cs b/OpenSim/Framework/Communications/Cache/CryptoGridAssetClient.cs
deleted file mode 100644
index 4e35f5b..0000000
--- a/OpenSim/Framework/Communications/Cache/CryptoGridAssetClient.cs
+++ /dev/null
@@ -1,559 +0,0 @@
1/*
2 * Copyright (c) Contributors, http://www.openmetaverse.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/*
28 * This file includes content derived from Obviex.
29 * Copyright (C) 2002 Obviex(TM). All rights reserved.
30 * http://www.obviex.com/samples/Encryption.aspx
31 */
32
33using System;
34using System.Collections.Generic;
35using System.IO;
36using System.Reflection;
37using System.Security.Cryptography;
38using System.Text;
39using System.Xml.Serialization;
40using log4net;
41using OpenSim.Framework.Servers.HttpServer;
42
43namespace OpenSim.Framework.Communications.Cache
44{
45 public class CryptoGridAssetClient : AssetServerBase
46 {
47
48 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
49
50 private string _assetServerUrl;
51 private bool m_encryptOnUpload;
52 private RjinKeyfile m_encryptKey;
53 private readonly Dictionary<string,RjinKeyfile> m_keyfiles = new Dictionary<string, RjinKeyfile>();
54
55 #region IPlugin
56
57 public override string Name
58 {
59 get { return "Crypto"; }
60 }
61
62 public override string Version
63 {
64 get { return "1.0"; }
65 }
66
67 public override void Initialise(ConfigSettings p_set, string p_url, string p_dir, bool p_t)
68 {
69 m_log.Debug("[CRYPTOGRID] Plugin configured initialisation");
70 Initialise(p_url, p_dir, p_t);
71 }
72
73 #endregion
74
75 #region Keyfile Classes
76 [Serializable]
77 public class RjinKeyfile
78 {
79 public string Secret;
80 public string AlsoKnownAs;
81 public int Keysize;
82 public string IVBytes;
83 public string Description = "OpenSim Key";
84
85 private static string SHA1Hash(byte[] bytes)
86 {
87 SHA1 sha1 = SHA1CryptoServiceProvider.Create();
88 byte[] dataMd5 = sha1.ComputeHash(bytes);
89 StringBuilder sb = new StringBuilder();
90 for (int i = 0; i < dataMd5.Length; i++)
91 sb.AppendFormat("{0:x2}", dataMd5[i]);
92 return sb.ToString();
93 }
94
95 public void GenerateRandom()
96 {
97 RNGCryptoServiceProvider Gen = new RNGCryptoServiceProvider();
98
99 byte[] genSec = new byte[32];
100 byte[] genAKA = new byte[32];
101 byte[] genIV = new byte[32];
102
103 Gen.GetBytes(genSec);
104 Gen.GetBytes(genAKA);
105 Gen.GetBytes(genIV);
106
107 Secret = SHA1Hash(genSec);
108 AlsoKnownAs = SHA1Hash(genAKA);
109 IVBytes = SHA1Hash(genIV).Substring(0, 16);
110 Keysize = 256;
111 }
112 }
113 #endregion
114
115 #region Rjindael
116 /// <summary>
117 /// This class uses a symmetric key algorithm (Rijndael/AES) to encrypt and
118 /// decrypt data. As long as encryption and decryption routines use the same
119 /// parameters to generate the keys, the keys are guaranteed to be the same.
120 /// The class uses static functions with duplicate code to make it easier to
121 /// demonstrate encryption and decryption logic. In a real-life application,
122 /// this may not be the most efficient way of handling encryption, so - as
123 /// soon as you feel comfortable with it - you may want to redesign this class.
124 /// </summary>
125 public class UtilRijndael
126 {
127 /// <summary>
128 /// Encrypts specified plaintext using Rijndael symmetric key algorithm
129 /// and returns a base64-encoded result.
130 /// </summary>
131 /// <param name="plainText">
132 /// Plaintext value to be encrypted.
133 /// </param>
134 /// <param name="passPhrase">
135 /// Passphrase from which a pseudo-random password will be derived. The
136 /// derived password will be used to generate the encryption key.
137 /// Passphrase can be any string. In this example we assume that this
138 /// passphrase is an ASCII string.
139 /// </param>
140 /// <param name="saltValue">
141 /// Salt value used along with passphrase to generate password. Salt can
142 /// be any string. In this example we assume that salt is an ASCII string.
143 /// </param>
144 /// <param name="hashAlgorithm">
145 /// Hash algorithm used to generate password. Allowed values are: "MD5" and
146 /// "SHA1". SHA1 hashes are a bit slower, but more secure than MD5 hashes.
147 /// </param>
148 /// <param name="passwordIterations">
149 /// Number of iterations used to generate password. One or two iterations
150 /// should be enough.
151 /// </param>
152 /// <param name="initVector">
153 /// Initialization vector (or IV). This value is required to encrypt the
154 /// first block of plaintext data. For RijndaelManaged class IV must be
155 /// exactly 16 ASCII characters long.
156 /// </param>
157 /// <param name="keySize">
158 /// Size of encryption key in bits. Allowed values are: 128, 192, and 256.
159 /// Longer keys are more secure than shorter keys.
160 /// </param>
161 /// <returns>
162 /// Encrypted value formatted as a base64-encoded string.
163 /// </returns>
164 public static byte[] Encrypt(byte[] plainText,
165 string passPhrase,
166 string saltValue,
167 string hashAlgorithm,
168 int passwordIterations,
169 string initVector,
170 int keySize)
171 {
172 // Convert strings into byte arrays.
173 // Let us assume that strings only contain ASCII codes.
174 // If strings include Unicode characters, use Unicode, UTF7, or UTF8
175 // encoding.
176 byte[] initVectorBytes = Encoding.ASCII.GetBytes(initVector);
177 byte[] saltValueBytes = Encoding.ASCII.GetBytes(saltValue);
178
179 // Convert our plaintext into a byte array.
180 // Let us assume that plaintext contains UTF8-encoded characters.
181 byte[] plainTextBytes = plainText;
182
183 // First, we must create a password, from which the key will be derived.
184 // This password will be generated from the specified passphrase and
185 // salt value. The password will be created using the specified hash
186 // algorithm. Password creation can be done in several iterations.
187 PasswordDeriveBytes password = new PasswordDeriveBytes(
188 passPhrase,
189 saltValueBytes,
190 hashAlgorithm,
191 passwordIterations);
192
193 // Use the password to generate pseudo-random bytes for the encryption
194 // key. Specify the size of the key in bytes (instead
195 // of bits).
196 #pragma warning disable 0618
197 byte[] keyBytes = password.GetBytes(keySize / 8);
198 #pragma warning restore 0618
199
200 // Create uninitialized Rijndael encryption object.
201 RijndaelManaged symmetricKey = new RijndaelManaged();
202
203 // It is reasonable to set encryption mode to Cipher Block Chaining
204 // (CBC). Use default options for other symmetric key parameters.
205 symmetricKey.Mode = CipherMode.CBC;
206
207 // Generate encryptor from the existing key bytes and initialization
208 // vector. Key size will be defined based on the number of the key
209 // bytes.
210 ICryptoTransform encryptor = symmetricKey.CreateEncryptor(
211 keyBytes,
212 initVectorBytes);
213
214 // Define memory stream which will be used to hold encrypted data.
215 MemoryStream memoryStream = new MemoryStream();
216
217 // Define cryptographic stream (always use Write mode for encryption).
218 CryptoStream cryptoStream = new CryptoStream(memoryStream,
219 encryptor,
220 CryptoStreamMode.Write);
221 // Start encrypting.
222 cryptoStream.Write(plainTextBytes, 0, plainTextBytes.Length);
223
224 // Finish encrypting.
225 cryptoStream.FlushFinalBlock();
226
227 // Convert our encrypted data from a memory stream into a byte array.
228 byte[] cipherTextBytes = memoryStream.ToArray();
229
230 // Close both streams.
231 memoryStream.Close();
232 cryptoStream.Close();
233
234 // Return encrypted string.
235 return cipherTextBytes;
236 }
237
238 /// <summary>
239 /// Decrypts specified ciphertext using Rijndael symmetric key algorithm.
240 /// </summary>
241 /// <param name="cipherText">
242 /// Base64-formatted ciphertext value.
243 /// </param>
244 /// <param name="passPhrase">
245 /// Passphrase from which a pseudo-random password will be derived. The
246 /// derived password will be used to generate the encryption key.
247 /// Passphrase can be any string. In this example we assume that this
248 /// passphrase is an ASCII string.
249 /// </param>
250 /// <param name="saltValue">
251 /// Salt value used along with passphrase to generate password. Salt can
252 /// be any string. In this example we assume that salt is an ASCII string.
253 /// </param>
254 /// <param name="hashAlgorithm">
255 /// Hash algorithm used to generate password. Allowed values are: "MD5" and
256 /// "SHA1". SHA1 hashes are a bit slower, but more secure than MD5 hashes.
257 /// </param>
258 /// <param name="passwordIterations">
259 /// Number of iterations used to generate password. One or two iterations
260 /// should be enough.
261 /// </param>
262 /// <param name="initVector">
263 /// Initialization vector (or IV). This value is required to encrypt the
264 /// first block of plaintext data. For RijndaelManaged class IV must be
265 /// exactly 16 ASCII characters long.
266 /// </param>
267 /// <param name="keySize">
268 /// Size of encryption key in bits. Allowed values are: 128, 192, and 256.
269 /// Longer keys are more secure than shorter keys.
270 /// </param>
271 /// <returns>
272 /// Decrypted string value.
273 /// </returns>
274 /// <remarks>
275 /// Most of the logic in this function is similar to the Encrypt
276 /// logic. In order for decryption to work, all parameters of this function
277 /// - except cipherText value - must match the corresponding parameters of
278 /// the Encrypt function which was called to generate the
279 /// ciphertext.
280 /// </remarks>
281 public static byte[] Decrypt(byte[] cipherText,
282 string passPhrase,
283 string saltValue,
284 string hashAlgorithm,
285 int passwordIterations,
286 string initVector,
287 int keySize)
288 {
289 // Convert strings defining encryption key characteristics into byte
290 // arrays. Let us assume that strings only contain ASCII codes.
291 // If strings include Unicode characters, use Unicode, UTF7, or UTF8
292 // encoding.
293 byte[] initVectorBytes = Encoding.ASCII.GetBytes(initVector);
294 byte[] saltValueBytes = Encoding.ASCII.GetBytes(saltValue);
295
296 // Convert our ciphertext into a byte array.
297 byte[] cipherTextBytes = cipherText;
298
299 // First, we must create a password, from which the key will be
300 // derived. This password will be generated from the specified
301 // passphrase and salt value. The password will be created using
302 // the specified hash algorithm. Password creation can be done in
303 // several iterations.
304 PasswordDeriveBytes password = new PasswordDeriveBytes(passPhrase,
305 saltValueBytes,
306 hashAlgorithm,
307 passwordIterations);
308
309 // Use the password to generate pseudo-random bytes for the encryption
310 // key. Specify the size of the key in bytes (instead
311 // of bits).
312 #pragma warning disable 0618
313 byte[] keyBytes = password.GetBytes(keySize / 8);
314 #pragma warning restore 0618
315
316 // Create uninitialized Rijndael encryption object.
317 RijndaelManaged symmetricKey = new RijndaelManaged();
318
319 // It is reasonable to set encryption mode to Cipher Block Chaining
320 // (CBC). Use default options for other symmetric key parameters.
321 symmetricKey.Mode = CipherMode.CBC;
322
323 // Generate decryptor from the existing key bytes and initialization
324 // vector. Key size will be defined based on the number of the key
325 // bytes.
326 ICryptoTransform decryptor = symmetricKey.CreateDecryptor(
327 keyBytes,
328 initVectorBytes);
329
330 // Define memory stream which will be used to hold encrypted data.
331 MemoryStream memoryStream = new MemoryStream(cipherTextBytes);
332
333 // Define cryptographic stream (always use Read mode for encryption).
334 CryptoStream cryptoStream = new CryptoStream(memoryStream,
335 decryptor,
336 CryptoStreamMode.Read);
337
338 // Since at this point we don't know what the size of decrypted data
339 // will be, allocate the buffer long enough to hold ciphertext;
340 // plaintext is never longer than ciphertext.
341 byte[] plainTextBytes = new byte[cipherTextBytes.Length];
342
343 // Start decrypting.
344 int decryptedByteCount = cryptoStream.Read(plainTextBytes,
345 0,
346 plainTextBytes.Length);
347
348 // Close both streams.
349 memoryStream.Close();
350 cryptoStream.Close();
351
352 byte[] plainText = new byte[decryptedByteCount];
353 int i;
354 for (i = 0; i < decryptedByteCount; i++)
355 plainText[i] = plainTextBytes[i];
356
357 // Return decrypted string.
358 return plainText;
359 }
360 }
361 #endregion
362
363 public CryptoGridAssetClient() {}
364
365 public CryptoGridAssetClient(string serverUrl, string keydir, bool decOnly)
366 {
367 m_log.Debug("[CRYPTOGRID] Direct constructor");
368 Initialise(serverUrl, keydir, decOnly);
369 }
370
371 public void Initialise(string serverUrl, string keydir, bool decOnly)
372 {
373
374 m_log.Debug("[CRYPTOGRID] Common constructor");
375
376 _assetServerUrl = serverUrl;
377
378 string[] keys = Directory.GetFiles(keydir, "*.deckey");
379 foreach (string key in keys)
380 {
381 XmlSerializer xs = new XmlSerializer(typeof (RjinKeyfile));
382 FileStream file = new FileStream(key, FileMode.Open, FileAccess.Read);
383
384 RjinKeyfile rjkey = (RjinKeyfile) xs.Deserialize(file);
385
386 file.Close();
387
388 m_keyfiles.Add(rjkey.AlsoKnownAs, rjkey);
389 }
390
391
392 keys = Directory.GetFiles(keydir, "*.enckey");
393 if (keys.Length == 1)
394 {
395 string Ekey = keys[0];
396 XmlSerializer Exs = new XmlSerializer(typeof (RjinKeyfile));
397 FileStream Efile = new FileStream(Ekey, FileMode.Open, FileAccess.Read);
398
399 RjinKeyfile Erjkey = (RjinKeyfile) Exs.Deserialize(Efile);
400
401 Efile.Close();
402
403 m_keyfiles.Add(Erjkey.AlsoKnownAs, Erjkey);
404
405 m_encryptKey = Erjkey;
406 } else
407 {
408 if (keys.Length > 1)
409 throw new Exception(
410 "You have more than one asset *encryption* key. (You should never have more than one)," +
411 "If you downloaded this key from someone, rename it to <filename>.deckey to convert it to" +
412 "a decryption-only key.");
413
414 m_log.Warn("No encryption key found, generating a new one for you...");
415 RjinKeyfile encKey = new RjinKeyfile();
416 encKey.GenerateRandom();
417
418 m_encryptKey = encKey;
419
420 FileStream encExportFile = new FileStream("mysecretkey_rename_me.enckey",FileMode.CreateNew);
421 XmlSerializer xs = new XmlSerializer(typeof(RjinKeyfile));
422 xs.Serialize(encExportFile, encKey);
423 encExportFile.Flush();
424 encExportFile.Close();
425
426 m_log.Info(
427 "Encryption file generated, please rename 'mysecretkey_rename_me.enckey' to something more appropriate (however preserve the file extension).");
428 }
429
430 // If Decrypt-Only, dont encrypt on upload
431 m_encryptOnUpload = !decOnly;
432 }
433
434 private static void EncryptAssetBase(AssetBase x, RjinKeyfile file)
435 {
436 // Make a salt
437 RNGCryptoServiceProvider RandomGen = new RNGCryptoServiceProvider();
438 byte[] rand = new byte[32];
439 RandomGen.GetBytes(rand);
440
441 string salt = Convert.ToBase64String(rand);
442
443 x.Data = UtilRijndael.Encrypt(x.Data, file.Secret, salt, "SHA1", 2, file.IVBytes, file.Keysize);
444 x.Description = String.Format("ENCASS#:~:#{0}#:~:#{1}#:~:#{2}#:~:#{3}",
445 "OPENSIM_AES_AF1",
446 file.AlsoKnownAs,
447 salt,
448 x.Description);
449 }
450
451 private bool DecryptAssetBase(AssetBase x)
452 {
453 // Check it's encrypted first.
454 if (!x.Description.Contains("ENCASS"))
455 return true;
456
457 // ENCASS:ALG:AKA:SALT:Description
458 // 0 1 2 3 4
459 string[] splitchars = new string[1];
460 splitchars[0] = "#:~:#";
461
462 string[] meta = x.Description.Split(splitchars, StringSplitOptions.None);
463 if (meta.Length < 5)
464 {
465 m_log.Warn("[ENCASSETS] Recieved Encrypted Asset, but header is corrupt");
466 return false;
467 }
468
469 // Check if we have a matching key
470 if (m_keyfiles.ContainsKey(meta[2]))
471 {
472 RjinKeyfile deckey = m_keyfiles[meta[2]];
473 x.Description = meta[4];
474 switch (meta[1])
475 {
476 case "OPENSIM_AES_AF1":
477 x.Data = UtilRijndael.Decrypt(x.Data,
478 deckey.Secret,
479 meta[3],
480 "SHA1",
481 2,
482 deckey.IVBytes,
483 deckey.Keysize);
484 // Decrypted Successfully
485 return true;
486 default:
487 m_log.Warn(
488 "[ENCASSETS] Recieved Encrypted Asset, but we dont know how to decrypt '" + meta[1] + "'.");
489 // We dont understand this encryption scheme
490 return false;
491 }
492 }
493
494 m_log.Warn("[ENCASSETS] Recieved Encrypted Asset, but we do not have the decryption key.");
495 return false;
496 }
497
498 #region IAssetServer Members
499
500 protected override AssetBase GetAsset(AssetRequest req)
501 {
502#if DEBUG
503 //m_log.DebugFormat("[GRID ASSET CLIENT]: Querying for {0}", req.AssetID.ToString());
504#endif
505
506 RestClient rc = new RestClient(_assetServerUrl);
507 rc.AddResourcePath("assets");
508 rc.AddResourcePath(req.AssetID.ToString());
509 if (req.IsTexture)
510 rc.AddQueryParameter("texture");
511
512 rc.RequestMethod = "GET";
513
514 Stream s = rc.Request();
515
516 if (s == null)
517 return null;
518
519 if (s.Length > 0)
520 {
521 XmlSerializer xs = new XmlSerializer(typeof(AssetBase));
522
523 AssetBase encAsset = (AssetBase)xs.Deserialize(s);
524
525 // Try decrypt it
526 if (DecryptAssetBase(encAsset))
527 return encAsset;
528 }
529
530 return null;
531 }
532
533 public override void UpdateAsset(AssetBase asset)
534 {
535 throw new Exception("The method or operation is not implemented.");
536 }
537
538 public override void StoreAsset(AssetBase asset)
539 {
540 if (m_encryptOnUpload)
541 EncryptAssetBase(asset, m_encryptKey);
542
543 try
544 {
545 string assetUrl = _assetServerUrl + "/assets/";
546
547 m_log.InfoFormat("[CRYPTO GRID ASSET CLIENT]: Sending store request for asset {0}", asset.FullID);
548
549 RestObjectPoster.BeginPostObject<AssetBase>(assetUrl, asset);
550 }
551 catch (Exception e)
552 {
553 m_log.ErrorFormat("[CRYPTO GRID ASSET CLIENT]: {0}", e);
554 }
555 }
556
557 #endregion
558 }
559}
diff --git a/OpenSim/Framework/Communications/Cache/FileAssetClient.cs b/OpenSim/Framework/Communications/Cache/FileAssetClient.cs
deleted file mode 100644
index 8d03f56..0000000
--- a/OpenSim/Framework/Communications/Cache/FileAssetClient.cs
+++ /dev/null
@@ -1,121 +0,0 @@
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.IO;
29using System.Reflection;
30using log4net;
31using System.Xml.Serialization;
32
33namespace OpenSim.Framework.Communications.Cache
34{
35 public class FileAssetClient : AssetServerBase
36 {
37
38 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
39
40 #region IPlugin
41
42 public override string Name
43 {
44 get { return "File"; }
45 }
46
47 public override string Version
48 {
49 get { return "1.0"; }
50 }
51
52 public override void Initialise(ConfigSettings p_set, string p_url)
53 {
54 m_log.Debug("[FILEASSET] Plugin configured initialisation");
55 Initialise(p_url);
56 }
57
58 #endregion
59
60 private string m_dir;
61 private readonly XmlSerializer m_xs = new XmlSerializer(typeof(AssetBase));
62
63 public FileAssetClient() {}
64
65 public FileAssetClient(string p_url)
66 {
67 m_log.Debug("[FILEASSET] Direct constructor");
68 Initialise(p_url);
69 }
70
71 public void Initialise(string dir)
72 {
73 if (!Directory.Exists(dir))
74 {
75 Directory.CreateDirectory(dir);
76 }
77 m_dir = dir;
78 }
79
80 public override void StoreAsset(AssetBase asset)
81 {
82 byte[] idBytes = asset.FullID.Guid.ToByteArray();
83
84 string cdir = m_dir + Path.DirectorySeparatorChar + idBytes[0]
85 + Path.DirectorySeparatorChar + idBytes[1];
86
87 if (!Directory.Exists(m_dir + Path.DirectorySeparatorChar + idBytes[0]))
88 Directory.CreateDirectory(m_dir + Path.DirectorySeparatorChar + idBytes[0]);
89
90 if (!Directory.Exists(cdir))
91 Directory.CreateDirectory(cdir);
92
93 FileStream x = new FileStream(cdir + Path.DirectorySeparatorChar + asset.FullID + ".xml", FileMode.Create);
94 m_xs.Serialize(x, asset);
95
96 x.Flush();
97 x.Close();
98 }
99
100 public override void UpdateAsset(AssetBase asset)
101 {
102 StoreAsset(asset);
103 }
104
105 protected override AssetBase GetAsset(AssetRequest req)
106 {
107 byte[] idBytes = req.AssetID.Guid.ToByteArray();
108
109 string cdir = m_dir + Path.DirectorySeparatorChar + idBytes[0]
110 + Path.DirectorySeparatorChar + idBytes[1];
111 if (File.Exists(cdir + Path.DirectorySeparatorChar + req.AssetID + ".xml"))
112 {
113 FileStream x = File.OpenRead(cdir + Path.DirectorySeparatorChar + req.AssetID + ".xml");
114 AssetBase ret = (AssetBase) m_xs.Deserialize(x);
115 x.Close();
116 return ret;
117 }
118 return null;
119 }
120 }
121}
diff --git a/OpenSim/Framework/Communications/Cache/GridAssetClient.cs b/OpenSim/Framework/Communications/Cache/GridAssetClient.cs
deleted file mode 100644
index e070131..0000000
--- a/OpenSim/Framework/Communications/Cache/GridAssetClient.cs
+++ /dev/null
@@ -1,140 +0,0 @@
1/*
2 * Copyright (c) Contributors, http://www.openmetaverse.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.IO;
30using System.Reflection;
31using System.Xml.Serialization;
32using log4net;
33using OpenSim.Framework.Servers.HttpServer;
34
35namespace OpenSim.Framework.Communications.Cache
36{
37 public class GridAssetClient : AssetServerBase
38 {
39 #region IPlugin
40
41 public override string Name
42 {
43 get { return "Grid"; }
44 }
45
46 public override string Version
47 {
48 get { return "1.0"; }
49 }
50
51 public override void Initialise(ConfigSettings p_set, string p_url)
52 {
53 m_log.Debug("[GRID ASSET CLIENT]: Plugin configured initialisation");
54 Initialise(p_url);
55 }
56
57 #endregion
58
59 private static readonly ILog m_log = LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
60
61 private string _assetServerUrl;
62
63 public GridAssetClient() {}
64
65 public GridAssetClient(string p_url)
66 {
67 m_log.Debug("[GRID ASSET CLIENT]: Direct constructor");
68 Initialise(p_url);
69 }
70
71 public void Initialise(string serverUrl)
72 {
73 _assetServerUrl = serverUrl;
74 }
75
76 #region IAssetServer Members
77
78 protected override AssetBase GetAsset(AssetRequest req)
79 {
80 #if DEBUG
81 //m_log.DebugFormat("[GRID ASSET CLIENT]: Querying for {0}", req.AssetID.ToString());
82 #endif
83
84 RestClient rc = new RestClient(_assetServerUrl);
85 rc.AddResourcePath("assets");
86 rc.AddResourcePath(req.AssetID.ToString());
87
88 rc.RequestMethod = "GET";
89
90 Stream s = rc.Request();
91
92 if (s == null)
93 return null;
94
95 if (s.Length > 0)
96 {
97 XmlSerializer xs = new XmlSerializer(typeof (AssetBase));
98
99 return (AssetBase) xs.Deserialize(s);
100 }
101
102 return null;
103 }
104
105 public override void UpdateAsset(AssetBase asset)
106 {
107 throw new Exception("The method or operation is not implemented.");
108 }
109
110 public override void StoreAsset(AssetBase asset)
111 {
112 try
113 {
114 // MemoryStream s = new MemoryStream();
115
116 // XmlSerializer xs = new XmlSerializer(typeof(AssetBase));
117 // xs.Serialize(s, asset);
118 // RestClient rc = new RestClient(_assetServerUrl);
119
120 string assetUrl = _assetServerUrl + "/assets/";
121
122 //rc.AddResourcePath("assets");
123
124 // rc.RequestMethod = "POST";
125 // rc.Request(s);
126 //m_log.InfoFormat("[ASSET]: Stored {0}", rc);
127
128 m_log.InfoFormat("[GRID ASSET CLIENT]: Sending store request for asset {0}", asset.FullID);
129
130 RestObjectPoster.BeginPostObject<AssetBase>(assetUrl, asset);
131 }
132 catch (Exception e)
133 {
134 m_log.ErrorFormat("[GRID ASSET CLIENT]: {0}", e);
135 }
136 }
137
138 #endregion
139 }
140}
generated by cgit v1.1 at 2024-12-14 09:06:58 +0000