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-rw-r--r--OpenSim/ApplicationPlugins/Rest/Inventory/Rest.cs551
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diff --git a/OpenSim/ApplicationPlugins/Rest/Inventory/Rest.cs b/OpenSim/ApplicationPlugins/Rest/Inventory/Rest.cs
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--- a/OpenSim/ApplicationPlugins/Rest/Inventory/Rest.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 *
27 */
28
29using System;
30using System.Collections.Generic;
31using System.Reflection;
32using System.Text;
33using log4net;
34using Nini.Config;
35using OpenSim.Framework;
36using OpenSim.Framework.Communications;
37using OpenSim.Services.Interfaces;
38using IAvatarService = OpenSim.Services.Interfaces.IAvatarService;
39
40namespace OpenSim.ApplicationPlugins.Rest.Inventory
41{
42 public class Rest
43 {
44 internal static readonly ILog Log =
45 LogManager.GetLogger(MethodBase.GetCurrentMethod().DeclaringType);
46
47 internal static bool DEBUG = Log.IsDebugEnabled;
48
49 /// <summary>
50 /// Supported authentication schemes
51 /// </summary>
52
53 public const string AS_BASIC = "Basic"; // simple user/password verification
54 public const string AS_DIGEST = "Digest"; // password safe authentication
55
56 /// Supported Digest algorithms
57
58 public const string Digest_MD5 = "MD5"; // assumed default if omitted
59 public const string Digest_MD5Sess = "MD5-sess"; // session-span - not good for REST?
60
61 public const string Qop_Auth = "auth"; // authentication only
62 public const string Qop_Int = "auth-int"; // TODO
63
64 /// <summary>
65 /// These values have a single value for the whole
66 /// domain and lifetime of the plugin handler. We
67 /// make them static for ease of reference within
68 /// the assembly. These are initialized by the
69 /// RestHandler class during start-up.
70 /// </summary>
71
72 internal static IRestHandler Plugin = null;
73 internal static OpenSimBase main = null;
74 internal static string Prefix = null;
75 internal static IConfig Config = null;
76 internal static string GodKey = null;
77 internal static bool Authenticate = true;
78 internal static bool Secure = true;
79 internal static bool ExtendedEscape = true;
80 internal static bool DumpAsset = false;
81 internal static bool Fill = true;
82 internal static bool FlushEnabled = true;
83 internal static string Realm = "OpenSim REST";
84 internal static string Scheme = AS_BASIC;
85 internal static int DumpLineSize = 32; // Should be a multiple of 16 or (possibly) 4
86
87 /// <summary>
88 /// These are all dependent upon the Comms manager
89 /// being initialized. So they have to be properties
90 /// because the comms manager is now a module and is
91 /// not guaranteed to be there when the rest handler
92 /// initializes.
93 /// </summary>
94
95 internal static IInventoryService InventoryServices
96 {
97 get { return main.SceneManager.CurrentOrFirstScene.InventoryService; }
98 }
99
100 internal static IUserAccountService UserServices
101 {
102 get { return main.SceneManager.CurrentOrFirstScene.UserAccountService; }
103 }
104
105 internal static IAuthenticationService AuthServices
106 {
107 get { return main.SceneManager.CurrentOrFirstScene.AuthenticationService; }
108 }
109
110 internal static IAvatarService AvatarServices
111 {
112 get { return main.SceneManager.CurrentOrFirstScene.AvatarService; }
113 }
114
115 internal static IAssetService AssetServices
116 {
117 get { return main.SceneManager.CurrentOrFirstScene.AssetService; }
118 }
119
120 /// <summary>
121 /// HTTP requires that status information be generated for PUT
122 /// and POST opertaions. This is in support of that. The
123 /// operation verb gets substituted into the first string,
124 /// and the completion code is inserted into the tail. The
125 /// strings are put here to encourage consistency.
126 /// </summary>
127
128 internal static string statusHead = "<html><body><title>{0} status</title><break>";
129 internal static string statusTail = "</body></html>";
130
131 internal static Dictionary<int,string> HttpStatusDesc;
132
133 static Rest()
134 {
135 HttpStatusDesc = new Dictionary<int,string>();
136 if (HttpStatusCodeArray.Length != HttpStatusDescArray.Length)
137 {
138 Log.ErrorFormat("{0} HTTP Status Code and Description arrays do not match");
139 throw new Exception("HTTP Status array discrepancy");
140 }
141
142 // Repackage the data into something more tractable. The sparse
143 // nature of HTTP return codes makes an array a bad choice.
144
145 for (int i=0; i<HttpStatusCodeArray.Length; i++)
146 {
147 HttpStatusDesc.Add(HttpStatusCodeArray[i], HttpStatusDescArray[i]);
148 }
149 }
150
151 internal static int CreationDate
152 {
153 get { return (int) (DateTime.UtcNow - new DateTime(1970, 1, 1)).TotalSeconds; }
154 }
155
156 internal static string MsgId
157 {
158 get { return Plugin.MsgId; }
159 }
160
161 internal static string RequestId
162 {
163 get { return Plugin.RequestId; }
164 }
165
166 internal static Encoding Encoding = Util.UTF8;
167
168 /// <summary>
169 /// Version control for REST implementation. This
170 /// refers to the overall infrastructure represented
171 /// by the following classes
172 /// RequestData
173 /// RequestInventoryPlugin
174 /// Rest
175 /// It does no describe implementation classes such as
176 /// RestInventoryServices, which may morph much more
177 /// often. Such classes ARE dependent upon this however
178 /// and should check it in their Initialize method.
179 /// </summary>
180
181 public static readonly float Version = 1.0F;
182 public const string Name = "REST 1.0";
183
184 /// <summary>
185 /// Currently defined HTTP methods.
186 /// Only GET and HEAD are required to be
187 /// supported by all servers. See Respond
188 /// to see how these are handled.
189 /// </summary>
190
191 // REST AGENT 1.0 interpretations
192 public const string GET = "get"; // information retrieval - server state unchanged
193 public const string HEAD = "head"; // same as get except only the headers are returned.
194 public const string POST = "post"; // Replace the URI designated resource with the entity.
195 public const string PUT = "put"; // Add the entity to the context represented by the URI
196 public const string DELETE = "delete"; // Remove the URI designated resource from the server.
197
198 public const string OPTIONS = "options"; //
199 public const string TRACE = "trace"; //
200 public const string CONNECT = "connect"; //
201
202 // Define this in one place...
203
204 public const string UrlPathSeparator = "/";
205 public const string UrlMethodSeparator = ":";
206
207 // Redirection qualifications
208
209 public const bool PERMANENT = false;
210 public const bool TEMPORARY = true;
211
212 // Constant arrays used by String.Split
213
214 public static readonly char C_SPACE = ' ';
215 public static readonly char C_SLASH = '/';
216 public static readonly char C_PATHSEP = '/';
217 public static readonly char C_COLON = ':';
218 public static readonly char C_PLUS = '+';
219 public static readonly char C_PERIOD = '.';
220 public static readonly char C_COMMA = ',';
221 public static readonly char C_DQUOTE = '"';
222
223 public static readonly string CS_SPACE = " ";
224 public static readonly string CS_SLASH = "/";
225 public static readonly string CS_PATHSEP = "/";
226 public static readonly string CS_COLON = ":";
227 public static readonly string CS_PLUS = "+";
228 public static readonly string CS_PERIOD = ".";
229 public static readonly string CS_COMMA = ",";
230 public static readonly string CS_DQUOTE = "\"";
231
232 public static readonly char[] CA_SPACE = { C_SPACE };
233 public static readonly char[] CA_SLASH = { C_SLASH };
234 public static readonly char[] CA_PATHSEP = { C_PATHSEP };
235 public static readonly char[] CA_COLON = { C_COLON };
236 public static readonly char[] CA_PERIOD = { C_PERIOD };
237 public static readonly char[] CA_PLUS = { C_PLUS };
238 public static readonly char[] CA_COMMA = { C_COMMA };
239 public static readonly char[] CA_DQUOTE = { C_DQUOTE };
240
241 // HTTP Code Values (in value order)
242
243 public const int HttpStatusCodeContinue = 100;
244 public const int HttpStatusCodeSwitchingProtocols = 101;
245
246 public const int HttpStatusCodeOK = 200;
247 public const int HttpStatusCodeCreated = 201;
248 public const int HttpStatusCodeAccepted = 202;
249 public const int HttpStatusCodeNonAuthoritative = 203;
250 public const int HttpStatusCodeNoContent = 204;
251 public const int HttpStatusCodeResetContent = 205;
252 public const int HttpStatusCodePartialContent = 206;
253
254 public const int HttpStatusCodeMultipleChoices = 300;
255 public const int HttpStatusCodePermanentRedirect = 301;
256 public const int HttpStatusCodeFound = 302;
257 public const int HttpStatusCodeSeeOther = 303;
258 public const int HttpStatusCodeNotModified = 304;
259 public const int HttpStatusCodeUseProxy = 305;
260 public const int HttpStatusCodeReserved306 = 306;
261 public const int HttpStatusCodeTemporaryRedirect = 307;
262
263 public const int HttpStatusCodeBadRequest = 400;
264 public const int HttpStatusCodeNotAuthorized = 401;
265 public const int HttpStatusCodePaymentRequired = 402;
266 public const int HttpStatusCodeForbidden = 403;
267 public const int HttpStatusCodeNotFound = 404;
268 public const int HttpStatusCodeMethodNotAllowed = 405;
269 public const int HttpStatusCodeNotAcceptable = 406;
270 public const int HttpStatusCodeProxyAuthenticate = 407;
271 public const int HttpStatusCodeTimeOut = 408;
272 public const int HttpStatusCodeConflict = 409;
273 public const int HttpStatusCodeGone = 410;
274 public const int HttpStatusCodeLengthRequired = 411;
275 public const int HttpStatusCodePreconditionFailed = 412;
276 public const int HttpStatusCodeEntityTooLarge = 413;
277 public const int HttpStatusCodeUriTooLarge = 414;
278 public const int HttpStatusCodeUnsupportedMedia = 415;
279 public const int HttpStatusCodeRangeNotSatsified = 416;
280 public const int HttpStatusCodeExpectationFailed = 417;
281
282 public const int HttpStatusCodeServerError = 500;
283 public const int HttpStatusCodeNotImplemented = 501;
284 public const int HttpStatusCodeBadGateway = 502;
285 public const int HttpStatusCodeServiceUnavailable = 503;
286 public const int HttpStatusCodeGatewayTimeout = 504;
287 public const int HttpStatusCodeHttpVersionError = 505;
288
289 public static readonly int[] HttpStatusCodeArray = {
290 HttpStatusCodeContinue,
291 HttpStatusCodeSwitchingProtocols,
292 HttpStatusCodeOK,
293 HttpStatusCodeCreated,
294 HttpStatusCodeAccepted,
295 HttpStatusCodeNonAuthoritative,
296 HttpStatusCodeNoContent,
297 HttpStatusCodeResetContent,
298 HttpStatusCodePartialContent,
299 HttpStatusCodeMultipleChoices,
300 HttpStatusCodePermanentRedirect,
301 HttpStatusCodeFound,
302 HttpStatusCodeSeeOther,
303 HttpStatusCodeNotModified,
304 HttpStatusCodeUseProxy,
305 HttpStatusCodeReserved306,
306 HttpStatusCodeTemporaryRedirect,
307 HttpStatusCodeBadRequest,
308 HttpStatusCodeNotAuthorized,
309 HttpStatusCodePaymentRequired,
310 HttpStatusCodeForbidden,
311 HttpStatusCodeNotFound,
312 HttpStatusCodeMethodNotAllowed,
313 HttpStatusCodeNotAcceptable,
314 HttpStatusCodeProxyAuthenticate,
315 HttpStatusCodeTimeOut,
316 HttpStatusCodeConflict,
317 HttpStatusCodeGone,
318 HttpStatusCodeLengthRequired,
319 HttpStatusCodePreconditionFailed,
320 HttpStatusCodeEntityTooLarge,
321 HttpStatusCodeUriTooLarge,
322 HttpStatusCodeUnsupportedMedia,
323 HttpStatusCodeRangeNotSatsified,
324 HttpStatusCodeExpectationFailed,
325 HttpStatusCodeServerError,
326 HttpStatusCodeNotImplemented,
327 HttpStatusCodeBadGateway,
328 HttpStatusCodeServiceUnavailable,
329 HttpStatusCodeGatewayTimeout,
330 HttpStatusCodeHttpVersionError
331 };
332
333 // HTTP Status Descriptions (in status code order)
334 // This array must be kept strictly consistent with respect
335 // to the status code array above.
336
337 public static readonly string[] HttpStatusDescArray = {
338 "Continue Request",
339 "Switching Protocols",
340 "OK",
341 "CREATED",
342 "ACCEPTED",
343 "NON-AUTHORITATIVE INFORMATION",
344 "NO CONTENT",
345 "RESET CONTENT",
346 "PARTIAL CONTENT",
347 "MULTIPLE CHOICES",
348 "PERMANENT REDIRECT",
349 "FOUND",
350 "SEE OTHER",
351 "NOT MODIFIED",
352 "USE PROXY",
353 "RESERVED CODE 306",
354 "TEMPORARY REDIRECT",
355 "BAD REQUEST",
356 "NOT AUTHORIZED",
357 "PAYMENT REQUIRED",
358 "FORBIDDEN",
359 "NOT FOUND",
360 "METHOD NOT ALLOWED",
361 "NOT ACCEPTABLE",
362 "PROXY AUTHENTICATION REQUIRED",
363 "TIMEOUT",
364 "CONFLICT",
365 "GONE",
366 "LENGTH REQUIRED",
367 "PRECONDITION FAILED",
368 "ENTITY TOO LARGE",
369 "URI TOO LARGE",
370 "UNSUPPORTED MEDIA",
371 "RANGE NOT SATISFIED",
372 "EXPECTATION FAILED",
373 "SERVER ERROR",
374 "NOT IMPLEMENTED",
375 "BAD GATEWAY",
376 "SERVICE UNAVAILABLE",
377 "GATEWAY TIMEOUT",
378 "HTTP VERSION NOT SUPPORTED"
379 };
380
381 // HTTP Headers
382
383 public const string HttpHeaderAccept = "Accept";
384 public const string HttpHeaderAcceptCharset = "Accept-Charset";
385 public const string HttpHeaderAcceptEncoding = "Accept-Encoding";
386 public const string HttpHeaderAcceptLanguage = "Accept-Language";
387 public const string HttpHeaderAcceptRanges = "Accept-Ranges";
388 public const string HttpHeaderAge = "Age";
389 public const string HttpHeaderAllow = "Allow";
390 public const string HttpHeaderAuthorization = "Authorization";
391 public const string HttpHeaderCacheControl = "Cache-Control";
392 public const string HttpHeaderConnection = "Connection";
393 public const string HttpHeaderContentEncoding = "Content-Encoding";
394 public const string HttpHeaderContentLanguage = "Content-Language";
395 public const string HttpHeaderContentLength = "Content-Length";
396 public const string HttpHeaderContentLocation = "Content-Location";
397 public const string HttpHeaderContentMD5 = "Content-MD5";
398 public const string HttpHeaderContentRange = "Content-Range";
399 public const string HttpHeaderContentType = "Content-Type";
400 public const string HttpHeaderDate = "Date";
401 public const string HttpHeaderETag = "ETag";
402 public const string HttpHeaderExpect = "Expect";
403 public const string HttpHeaderExpires = "Expires";
404 public const string HttpHeaderFrom = "From";
405 public const string HttpHeaderHost = "Host";
406 public const string HttpHeaderIfMatch = "If-Match";
407 public const string HttpHeaderIfModifiedSince = "If-Modified-Since";
408 public const string HttpHeaderIfNoneMatch = "If-None-Match";
409 public const string HttpHeaderIfRange = "If-Range";
410 public const string HttpHeaderIfUnmodifiedSince = "If-Unmodified-Since";
411 public const string HttpHeaderLastModified = "Last-Modified";
412 public const string HttpHeaderLocation = "Location";
413 public const string HttpHeaderMaxForwards = "Max-Forwards";
414 public const string HttpHeaderPragma = "Pragma";
415 public const string HttpHeaderProxyAuthenticate = "Proxy-Authenticate";
416 public const string HttpHeaderProxyAuthorization = "Proxy-Authorization";
417 public const string HttpHeaderRange = "Range";
418 public const string HttpHeaderReferer = "Referer";
419 public const string HttpHeaderRetryAfter = "Retry-After";
420 public const string HttpHeaderServer = "Server";
421 public const string HttpHeaderTE = "TE";
422 public const string HttpHeaderTrailer = "Trailer";
423 public const string HttpHeaderTransferEncoding = "Transfer-Encoding";
424 public const string HttpHeaderUpgrade = "Upgrade";
425 public const string HttpHeaderUserAgent = "User-Agent";
426 public const string HttpHeaderVary = "Vary";
427 public const string HttpHeaderVia = "Via";
428 public const string HttpHeaderWarning = "Warning";
429 public const string HttpHeaderWWWAuthenticate = "WWW-Authenticate";
430
431 /// Utility routines
432
433 public static string StringToBase64(string str)
434 {
435 try
436 {
437 byte[] encData_byte = new byte[str.Length];
438 encData_byte = Util.UTF8.GetBytes(str);
439 return Convert.ToBase64String(encData_byte);
440 }
441 catch
442 {
443 return String.Empty;
444 }
445 }
446
447 public static string Base64ToString(string str)
448 {
449 try
450 {
451 return Util.Base64ToString(str);
452 }
453 catch
454 {
455 return String.Empty;
456 }
457 }
458
459 private const string hvals = "0123456789abcdef";
460
461 public static int Hex2Int(string hex)
462 {
463 int val = 0;
464 int sum = 0;
465 string tmp = null;
466
467 if (hex != null)
468 {
469 tmp = hex.ToLower();
470 for (int i = 0; i < tmp.Length; i++)
471 {
472 val = hvals.IndexOf(tmp[i]);
473 if (val == -1)
474 break;
475 sum *= 16;
476 sum += val;
477 }
478 }
479
480 return sum;
481 }
482
483 // Nonce management
484
485 public static string NonceGenerator()
486 {
487 return StringToBase64(CreationDate + Guid.NewGuid().ToString());
488 }
489
490 // Dump the specified data stream
491
492 public static void Dump(byte[] data)
493 {
494 char[] buffer = new char[DumpLineSize];
495 int cc = 0;
496
497 for (int i = 0; i < data.Length; i++)
498 {
499 if (i % DumpLineSize == 0) Console.Write("\n{0}: ",i.ToString("d8"));
500
501 if (i % 4 == 0) Console.Write(" ");
502
503 Console.Write("{0}",data[i].ToString("x2"));
504
505 if (data[i] < 127 && data[i] > 31)
506 buffer[i % DumpLineSize] = (char) data[i];
507 else
508 buffer[i % DumpLineSize] = '.';
509
510 cc++;
511
512 if (i != 0 && (i + 1) % DumpLineSize == 0)
513 {
514 Console.Write(" |"+(new String(buffer))+"|");
515 cc = 0;
516 }
517 }
518
519 // Finish off any incomplete line
520
521 if (cc != 0)
522 {
523 for (int i = cc ; i < DumpLineSize; i++)
524 {
525 if (i % 4 == 0) Console.Write(" ");
526 Console.Write(" ");
527 buffer[i % DumpLineSize] = ' ';
528 }
529 Console.WriteLine(" |"+(new String(buffer))+"|");
530 }
531 else
532 {
533 Console.Write("\n");
534 }
535 }
536 }
537
538 // Local exception type
539
540 public class RestException : Exception
541 {
542 internal int statusCode;
543 internal string statusDesc;
544 internal string httpmethod;
545 internal string httppath;
546
547 public RestException(string msg) : base(msg)
548 {
549 }
550 }
551}
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