mcs/class/System.Web/System.Web/HttpRequest.cs

   1 // \r
   2 // System.Web.HttpRequest\r
   3 //\r
   4 // Authors:\r
   5 //      Patrik Torstensson (Patrik.Torstensson@labs2.com)\r
   6 //      Gonzalo Paniagua Javier (gonzalo@ximian.com)\r
   7 // \r
   8 // (c) 2001, 2002 Patrick Torstensson\r
   9 // (c) 2002 Ximian, Inc. (http://www.ximian.com)\r
  10 // \r
  11 using System;\r
  12 using System.Collections;\r
  13 using System.Collections.Specialized;\r
  14 using System.IO;\r
  15 using System.Text;\r
  16 using System.Web.Configuration;\r
  17 using System.Web.Util;\r
  18 \r
  19 namespace System.Web {\r
  20         [MonoTODO("Review security in all path access function")]\r
  21         public sealed class HttpRequest {\r
  22                 private string []       _arrAcceptTypes;\r
  23                 private string []       _arrUserLanguages;\r
  24 \r
  25                 private byte [] _arrRawContent;\r
  26                 private int     _iContentLength;\r
  27 \r
  28                 private string  _sContentType;\r
  29                 private string  _sHttpMethod;\r
  30                 private string  _sRawUrl;\r
  31                 private string  _sUserAgent;\r
  32                 private string  _sUserHostAddress;\r
  33                 private string  _sUserHostName;\r
  34                 private string  _sPath;\r
  35                 private string  _sPathInfo;\r
  36                 private string _sFilePath;\r
  37                 private string _sPathTranslated;\r
  38                 private string _sQueryStringRaw;\r
  39                 private string _sRequestType;\r
  40                 private string _sRequestRootVirtualDir;\r
  41 \r
  42                 private Encoding _oContentEncoding;\r
  43 \r
  44                 private Uri _oUriReferrer;\r
  45                 private Uri _oUrl;\r
  46 \r
  47                 private int     _iTotalBytes;\r
  48 \r
  49                 private HttpContext     _oContext;\r
  50 \r
  51                 private HttpWorkerRequest _WorkerRequest;\r
  52                 private HttpRequestStream       _oInputStream;\r
  53                 private HttpClientCertificate _ClientCert;\r
  54 \r
  55                 private HttpValueCollection _oServerVariables;\r
  56                 private HttpValueCollection _oHeaders;\r
  57                 private HttpValueCollection _oQueryString;\r
  58                 private HttpValueCollection _oFormData;\r
  59                 private HttpValueCollection _oParams;\r
  60 \r
  61                 private HttpBrowserCapabilities _browser;\r
  62 \r
  63                 private HttpCookieCollection cookies;\r
  64 \r
  65                 public HttpRequest(string Filename, string Url, string Querystring) {\r
  66                         _iContentLength = -1;\r
  67                         _iTotalBytes = -1;\r
  68 \r
  69                         _WorkerRequest = null;\r
  70                         _sPathTranslated = Filename;\r
  71                         _sRequestType = "GET";\r
  72 \r
  73                         _oUrl = new Uri(Url);\r
  74                         _sPath = _oUrl.AbsolutePath;\r
  75 \r
  76                         _sQueryStringRaw = Querystring;\r
  77                         _oQueryString = new HttpValueCollection(Querystring, true, WebEncoding.Encoding);\r
  78                 }\r
  79 \r
  80                 internal HttpRequest(HttpWorkerRequest WorkRequest, HttpContext Context) {\r
  81                         _WorkerRequest = WorkRequest;\r
  82                         _oContext = Context;\r
  83 \r
  84                         _iContentLength = -1;\r
  85                         _iTotalBytes = -1;\r
  86                 }\r
  87 \r
  88                 static private string MakeServerVariableFromHeader(string header) {\r
  89                         return "HTTP_" + header.ToUpper().Replace("-", "_");\r
  90                 }\r
  91 \r
  92                 [MonoTODO("Need to support non-raw mode also..")]\r
  93                 private string GetAllHeaders(bool Raw) {\r
  94                         StringBuilder oData;\r
  95 \r
  96                         if (null == _WorkerRequest) {\r
  97                                 return null;\r
  98                         }\r
  99 \r
 100                         oData = new StringBuilder(512);\r
 101 \r
 102                         string sHeaderValue;\r
 103                         string sHeaderName;\r
 104                         int iCount = 0;\r
 105 \r
 106                         // Add all know headers\r
 107                         for (; iCount != 40; iCount++) {\r
 108                                 sHeaderValue = _WorkerRequest.GetKnownRequestHeader(iCount);\r
 109                                 if (null != sHeaderValue && sHeaderValue.Length > 0) {\r
 110                                         sHeaderName = _WorkerRequest.GetKnownRequestHeader(iCount);\r
 111                                         if (null != sHeaderName && sHeaderName.Length > 0) {\r
 112                                                 oData.Append(sHeaderName);\r
 113                                                 oData.Append(": ");\r
 114                                                 oData.Append(sHeaderValue);\r
 115                                                 oData.Append("\r\n");\r
 116                                         }\r
 117                                 }\r
 118                         }\r
 119 \r
 120                         // Get all other headers\r
 121                         string [][] arrUnknownHeaders = _WorkerRequest.GetUnknownRequestHeaders();\r
 122                         if (null != arrUnknownHeaders) {\r
 123                                 for (iCount = 0; iCount != arrUnknownHeaders.Length; iCount++) {\r
 124                                         oData.Append(arrUnknownHeaders[iCount][0]);\r
 125                                         oData.Append(": ");\r
 126                                         oData.Append(arrUnknownHeaders[iCount][1]);\r
 127                                         oData.Append("\r\n");\r
 128                                 }\r
 129                         }\r
 130 \r
 131                         return oData.ToString();\r
 132                 }\r
 133       \r
 134                 [MonoTODO("We need to handly 'dynamic' variables like AUTH_USER, that can be changed during runtime... special collection")]\r
 135                 private void ParseServerVariables() {\r
 136                         if (null == _WorkerRequest) {\r
 137                                 return;\r
 138                         }\r
 139 \r
 140                         if (_oServerVariables == null) {\r
 141                                 string sTmp;\r
 142 \r
 143                                 _oServerVariables = new HttpValueCollection();\r
 144                                 \r
 145                                 _oServerVariables.Add("ALL_HTTP", GetAllHeaders(false));\r
 146                                 _oServerVariables.Add("ALL_RAW", GetAllHeaders(true));\r
 147 \r
 148                                 _oServerVariables.Add("APPL_MD_PATH", _WorkerRequest.GetServerVariable("APPL_MD_PATH"));\r
 149                                 _oServerVariables.Add("AUTH_PASSWORD", _WorkerRequest.GetServerVariable("AUTH_PASSWORD"));\r
 150                                 _oServerVariables.Add("CERT_COOKIE", _WorkerRequest.GetServerVariable("CERT_COOKIE"));\r
 151                                 _oServerVariables.Add("CERT_FLAGS", _WorkerRequest.GetServerVariable("CERT_FLAGS"));\r
 152                                 _oServerVariables.Add("CERT_ISSUER", _WorkerRequest.GetServerVariable("CERT_ISSUER"));\r
 153                                 _oServerVariables.Add("CERT_KEYSIZE", _WorkerRequest.GetServerVariable("CERT_KEYSIZE"));\r
 154                                 _oServerVariables.Add("CERT_SECRETKEYSIZE", _WorkerRequest.GetServerVariable("CERT_SECRETKEYSIZE"));\r
 155                                 _oServerVariables.Add("CERT_SERIALNUMBER", _WorkerRequest.GetServerVariable("CERT_SERIALNUMBER"));\r
 156                                 _oServerVariables.Add("CERT_SERVER_ISSUER", _WorkerRequest.GetServerVariable("CERT_SERVER_ISSUER"));\r
 157                                 _oServerVariables.Add("CERT_SERVER_SUBJECT", _WorkerRequest.GetServerVariable("CERT_SERVER_SUBJECT"));\r
 158                                 _oServerVariables.Add("CERT_SUBJECT", _WorkerRequest.GetServerVariable("CERT_SUBJECT"));\r
 159 \r
 160                                 _oServerVariables.Add("GATEWAY_INTERFACE", _WorkerRequest.GetServerVariable("GATEWAY_INTERFACE"));\r
 161                                 _oServerVariables.Add("HTTPS", _WorkerRequest.GetServerVariable("HTTPS"));\r
 162                                 _oServerVariables.Add("HTTPS_KEYSIZE", _WorkerRequest.GetServerVariable("HTTPS_KEYSIZE"));\r
 163                                 _oServerVariables.Add("HTTPS_SECRETKEYSIZE", _WorkerRequest.GetServerVariable("HTTPS_SECRETKEYSIZE"));\r
 164 \r
 165                                 _oServerVariables.Add("CONTENT_TYPE", ContentType);\r
 166                                 _oServerVariables.Add("HTTPS_SERVER_ISSUER", _WorkerRequest.GetServerVariable("HTTPS_SERVER_ISSUER"));\r
 167                                 _oServerVariables.Add("HTTPS_SERVER_SUBJECT", _WorkerRequest.GetServerVariable("HTTPS_SERVER_SUBJECT"));\r
 168                                 _oServerVariables.Add("INSTANCE_ID", _WorkerRequest.GetServerVariable("INSTANCE_ID"));\r
 169                                 _oServerVariables.Add("INSTANCE_META_PATH", _WorkerRequest.GetServerVariable("INSTANCE_META_PATH"));\r
 170                                 _oServerVariables.Add("LOCAL_ADDR", _WorkerRequest.GetLocalAddress());\r
 171                                 _oServerVariables.Add("REMOTE_ADDR", UserHostAddress);\r
 172                                 _oServerVariables.Add("REMOTE_HOST", UserHostName);\r
 173                                 _oServerVariables.Add("REQUEST_METHOD", HttpMethod);\r
 174                                 _oServerVariables.Add("SERVER_NAME", _WorkerRequest.GetServerName());\r
 175                                 _oServerVariables.Add("SERVER_PORT", _WorkerRequest.GetLocalPort().ToString());\r
 176                                 _oServerVariables.Add("SERVER_PROTOCOL", _WorkerRequest.GetHttpVersion());\r
 177                                 _oServerVariables.Add("SERVER_SOFTWARE", _WorkerRequest.GetServerVariable("SERVER_SOFTWARE"));\r
 178 \r
 179                                 if (_WorkerRequest.IsSecure()) {\r
 180                                         _oServerVariables.Add("SERVER_PORT_SECURE", "1");\r
 181                                 } else {\r
 182                                         _oServerVariables.Add("SERVER_PORT_SECURE", "0");\r
 183                                 }\r
 184 \r
 185                                 sTmp = _WorkerRequest.GetKnownRequestHeader(HttpWorkerRequest.HeaderContentLength);\r
 186                                 if (null != sTmp) {\r
 187                                         _oServerVariables.Add("CONTENT_LENGTH", sTmp);\r
 188                                 }\r
 189 \r
 190                                 // TODO: Should be dynamic\r
 191                                 if (null != _oContext.User && _oContext.User.Identity.IsAuthenticated) {\r
 192                                         _oServerVariables.Add("AUTH_TYPE", _oContext.User.Identity.AuthenticationType);\r
 193                                         _oServerVariables.Add("AUTH_USER", _oContext.User.Identity.Name);\r
 194                                 } else {\r
 195                                         _oServerVariables.Add("AUTH_TYPE", "");\r
 196                                         _oServerVariables.Add("AUTH_USER", "");\r
 197                                 }\r
 198 \r
 199                                 _oServerVariables.Add("PATH_INFO", PathInfo);\r
 200                                 _oServerVariables.Add("PATH_TRANSLATED", PhysicalPath);\r
 201                                 _oServerVariables.Add("QUERY_STRING", QueryStringRaw);\r
 202                                 _oServerVariables.Add("SCRIPT_NAME", FilePath);\r
 203                                 // end dynamic\r
 204             \r
 205                                 _oServerVariables.MakeReadOnly();\r
 206                         }\r
 207                 }\r
 208 \r
 209                 [MonoTODO("Handle multipart/form-data")]\r
 210                 private void ParseFormData ()\r
 211                 {\r
 212                         if (_oFormData != null)\r
 213                                 return;\r
 214 \r
 215                         string contentType = ContentType;\r
 216                         if (0 != String.Compare (contentType, "application/x-www-form-urlencoded", true)) {\r
 217                                 Console.WriteLine ("Content-Type -> {0} not supported", contentType);\r
 218                                 _oFormData = new HttpValueCollection ();\r
 219                                 return;\r
 220                         }\r
 221 \r
 222                         byte [] arrData = GetRawContent ();\r
 223                         Encoding enc = ContentEncoding;\r
 224                         string data = enc.GetString (arrData);\r
 225                         _oFormData = new HttpValueCollection (data, true, enc);\r
 226                 }\r
 227 \r
 228                 [MonoTODO("void Dispose")]\r
 229                 internal void Dispose() {                       \r
 230                 }\r
 231 \r
 232                 private byte [] GetRawContent ()\r
 233                 {\r
 234                         if (_arrRawContent != null)\r
 235                                 return _arrRawContent;\r
 236 \r
 237                         if (null == _WorkerRequest) {\r
 238                                 if (QueryStringRaw == null)\r
 239                                         return null;\r
 240                                 char [] q = QueryStringRaw.ToCharArray ();\r
 241                                 _arrRawContent = new byte [q.Length];\r
 242                                 for (int i = 0; i < q.Length; i++)\r
 243                                         _arrRawContent [i] = (byte) q [i];\r
 244                                 return _arrRawContent;\r
 245                         }\r
 246 \r
 247                         _arrRawContent = _WorkerRequest.GetPreloadedEntityBody ();\r
 248                         if (_arrRawContent == null)\r
 249                                 _arrRawContent = new byte [0];\r
 250 \r
 251                         int length = ContentLength;\r
 252                         if (_WorkerRequest.IsEntireEntityBodyIsPreloaded () || length <= _arrRawContent.Length)\r
 253                                 return _arrRawContent;\r
 254 \r
 255                         byte [] arrBuffer = new byte [Math.Min (16384, length)];\r
 256                         MemoryStream ms = new MemoryStream (arrBuffer.Length);\r
 257                         ms.Write (_arrRawContent, 0, _arrRawContent.Length);\r
 258                         int read = 0;\r
 259                         for (int loaded = _arrRawContent.Length; loaded < length; loaded += read) {\r
 260                                 read = _WorkerRequest.ReadEntityBody (arrBuffer, arrBuffer.Length);\r
 261                                 if (read == 0)\r
 262                                         break;\r
 263 \r
 264                                 ms.Write (arrBuffer, 0, read);\r
 265                         }\r
 266 \r
 267                         _arrRawContent = ms.GetBuffer ();\r
 268                         return _arrRawContent;\r
 269                 }\r
 270 \r
 271                 public string [] AcceptTypes {\r
 272                         get {\r
 273                                 if (null == _arrAcceptTypes && null != _WorkerRequest) {\r
 274                                         _arrAcceptTypes = HttpHelper.ParseMultiValueHeader(_WorkerRequest.GetKnownRequestHeader(HttpWorkerRequest.HeaderAccept));\r
 275                                 } \r
 276 \r
 277                                 return _arrAcceptTypes;\r
 278                                 \r
 279                         }\r
 280                 }\r
 281 \r
 282                 public string ApplicationPath {\r
 283                         get {\r
 284                                 if (null != _WorkerRequest) {\r
 285                                         return _WorkerRequest.GetAppPath();\r
 286                                 }\r
 287 \r
 288                                 return null;\r
 289                         }\r
 290                 }\r
 291 \r
 292                 public HttpBrowserCapabilities Browser {\r
 293                         get {\r
 294                                 if (_browser == null)\r
 295                                         _browser = new HttpBrowserCapabilities ();\r
 296 \r
 297                                 return _browser;\r
 298                         }\r
 299 \r
 300                         set { _browser = value; }\r
 301                 }\r
 302 \r
 303                 public HttpClientCertificate ClientCertificate {\r
 304                         get {\r
 305                                 if (null == _ClientCert) {\r
 306                                         _ClientCert = new HttpClientCertificate(_oContext);\r
 307                                 }\r
 308 \r
 309                                 return _ClientCert;\r
 310                         }\r
 311                 }\r
 312 \r
 313                 private string GetValueFromHeader (string header, string attr)\r
 314                 {\r
 315                         int where = header.IndexOf (attr + '=');\r
 316                         if (where == -1)\r
 317                                 return null;\r
 318 \r
 319                         where += attr.Length + 1;\r
 320                         int max = header.Length;\r
 321                         if (where >= max)\r
 322                                 return String.Empty;\r
 323 \r
 324                         char ending = header [where];\r
 325                         if (ending != '"')\r
 326                                 ending = ' ';\r
 327 \r
 328                         int end = header.Substring (where + 1).IndexOf (ending);\r
 329                         if (end == -1)\r
 330                                 return (ending == '"') ? null : header.Substring (where);\r
 331 \r
 332                         return header.Substring (where, end);\r
 333                 }\r
 334                 \r
 335                 public Encoding ContentEncoding\r
 336                 {\r
 337                         get {\r
 338                                 if (_oContentEncoding == null) {\r
 339                                         if (_WorkerRequest != null && \r
 340                                             (!_WorkerRequest.HasEntityBody () || ContentType != String.Empty)) {\r
 341                                                 _oContentEncoding = WebEncoding.Encoding;\r
 342                                         } else  {\r
 343                                                 string charset;\r
 344                                                 charset = GetValueFromHeader (_sContentType, "charset");\r
 345                                                 try {\r
 346                                                         _oContentEncoding = Encoding.GetEncoding (charset);\r
 347                                                 } catch {\r
 348                                                         _oContentEncoding = WebEncoding.Encoding;\r
 349                                                 }\r
 350                                         }\r
 351                                 }\r
 352 \r
 353                                 return _oContentEncoding;\r
 354                         }\r
 355 \r
 356                         set {\r
 357                                 _oContentEncoding = value;\r
 358                         }\r
 359                 }\r
 360 \r
 361                 public int ContentLength {\r
 362                         get {\r
 363                                 if (_iContentLength == -1 && null != _WorkerRequest) {\r
 364                                         string sLength = _WorkerRequest.GetKnownRequestHeader(HttpWorkerRequest.HeaderContentLength);\r
 365                                         if (sLength != null) {\r
 366                                                 try {\r
 367                                                         _iContentLength = Int32.Parse(sLength);\r
 368                                                 }\r
 369                                                 catch(Exception) {\r
 370                                                 }\r
 371                                         } \r
 372                                 }\r
 373 \r
 374                                 if (_iContentLength < 0) {\r
 375                                         _iContentLength = 0;\r
 376                                 }\r
 377 \r
 378                                 return _iContentLength;\r
 379                         }\r
 380                 }\r
 381 \r
 382                 public string ContentType {\r
 383                         get {\r
 384                                 if (null == _sContentType) {\r
 385                                         if (null != _WorkerRequest) {\r
 386                                                 _sContentType = _WorkerRequest.GetKnownRequestHeader(HttpWorkerRequest.HeaderContentType);\r
 387                                         }\r
 388 \r
 389                                         if (null == _sContentType) {\r
 390                                                 _sContentType = string.Empty;\r
 391                                         }\r
 392                                 }\r
 393 \r
 394                                 return _sContentType;\r
 395                         }\r
 396                 }\r
 397 \r
 398                 static private string GetCookieValue (string str, int length, ref int i)\r
 399                 {\r
 400                         if (i >= length)\r
 401                                 return null;\r
 402 \r
 403                         int k = i;\r
 404                         while (k < length && Char.IsWhiteSpace (str [k]))\r
 405                                 k++;\r
 406 \r
 407                         int begin = k;\r
 408                         while (k < length && str [k] != ';')\r
 409                                 k++;\r
 410 \r
 411                         i = k;\r
 412                         return str.Substring (begin, i - begin).Trim ();\r
 413                 }\r
 414 \r
 415                 static private string GetCookieName (string str, int length, ref int i)\r
 416                 {\r
 417                         if (i >= length)\r
 418                                 return null;\r
 419 \r
 420                         int k = i;\r
 421                         while (k < length && Char.IsWhiteSpace (str [k]))\r
 422                                 k++;\r
 423 \r
 424                         int begin = k;\r
 425                         while (k < length && str [k] != ';' &&  str [k] != '=')\r
 426                                 k++;\r
 427 \r
 428                         i = k + 1;\r
 429                         return str.Substring (begin, k - begin).Trim ();\r
 430                 }\r
 431 \r
 432                 private void GetCookies ()\r
 433                 {\r
 434                         string header = _WorkerRequest.GetKnownRequestHeader (HttpWorkerRequest.HeaderCookie);\r
 435                         if (header == null || header.Length == 0)\r
 436                                 return;\r
 437 \r
 438                         /* RFC 2109\r
 439                          *      cookie          =       "Cookie:" cookie-version\r
 440                          *                                 1*((";" | ",") cookie-value)\r
 441                          *      cookie-value    =       NAME "=" VALUE [";" path] [";" domain]\r
 442                          *      cookie-version  =       "$Version" "=" value\r
 443                          *      NAME            =       attr\r
 444                          *      VALUE           =       value\r
 445                          *      path            =       "$Path" "=" value\r
 446                          *      domain          =       "$Domain" "=" value\r
 447                          *\r
 448                          *      MS ignores $Version! \r
 449                          *      ',' as a separator produces errors.\r
 450                          */\r
 451 \r
 452                         cookies = new HttpCookieCollection (_oContext.Response, false);\r
 453                         string [] name_values = header.Trim ().Split (';');\r
 454                         int length = name_values.Length;\r
 455                         HttpCookie cookie = null;\r
 456                         int pos;\r
 457                         for (int i = 0; i < length; i++) {\r
 458                                 pos = 0;\r
 459                                 string name_value = name_values [i].Trim ();\r
 460                                 string name = GetCookieName (name_value, name_value.Length, ref pos);\r
 461                                 string value = GetCookieValue (name_value, name_value.Length, ref pos);\r
 462                                 if (cookie != null) {\r
 463                                         if (name == "$Path") {\r
 464                                                 cookie.Path = value;\r
 465                                                 continue;\r
 466                                         } else if (name == "$Domain") {\r
 467                                                 cookie.Domain = value;\r
 468                                                 continue;\r
 469                                         } else {\r
 470                                                 cookies.Add (cookie);\r
 471                                                 cookie = null;\r
 472                                         }\r
 473                                 }\r
 474                                 cookie = new HttpCookie (name, value);\r
 475                         }\r
 476 \r
 477                         if (cookie != null)\r
 478                                 cookies.Add (cookie);\r
 479                 }\r
 480 \r
 481                 public HttpCookieCollection Cookies\r
 482                 {\r
 483                         get {\r
 484                                 if (cookies == null) {\r
 485                                         cookies = new HttpCookieCollection (null, false);\r
 486                                         if (_WorkerRequest != null)\r
 487                                                 GetCookies ();\r
 488                                 }\r
 489 \r
 490                                 return cookies;\r
 491                         }\r
 492                 }\r
 493 \r
 494                 [MonoTODO()]\r
 495                 public string CurrentExecutionFilePath {\r
 496                         get {\r
 497                                 throw new NotImplementedException();\r
 498                         }\r
 499                 }\r
 500 \r
 501                 public string FilePath {\r
 502                         get {\r
 503                                 if (null == _sFilePath && null != _WorkerRequest) {\r
 504                                         _sFilePath = _WorkerRequest.GetFilePath();\r
 505                                 }\r
 506 \r
 507                                 return _sFilePath;\r
 508                         }\r
 509                 }\r
 510 \r
 511                 [MonoTODO()]\r
 512                 public HttpFileCollection Files {\r
 513                         get {\r
 514                                 throw new NotImplementedException();\r
 515                         }\r
 516                 }\r
 517 \r
 518                 [MonoTODO("Use stream filter in the request stream")]\r
 519                 public Stream Filter {\r
 520                         get {\r
 521                                 throw new NotImplementedException();\r
 522                         }\r
 523 \r
 524                         set {\r
 525                                 throw new NotImplementedException();\r
 526                         }\r
 527                 }\r
 528 \r
 529 \r
 530                 public NameValueCollection Form {\r
 531                         get {\r
 532                                 ParseFormData();\r
 533 \r
 534                                 return (NameValueCollection) _oFormData;\r
 535                         }\r
 536                 }\r
 537 \r
 538                 public NameValueCollection Headers {\r
 539                         get {\r
 540                                 if (_oHeaders == null) {\r
 541                                         _oHeaders = new HttpValueCollection();\r
 542 \r
 543                                         if (null != _WorkerRequest) {\r
 544                                                 string sHeaderValue;\r
 545                                                 string sHeaderName;\r
 546                                                 int iCount = 0;\r
 547 \r
 548                                                 // Add all know headers\r
 549                                                 for (; iCount != 40; iCount++) {\r
 550                                                         sHeaderValue = _WorkerRequest.GetKnownRequestHeader(iCount);\r
 551                                                         if (null != sHeaderValue && sHeaderValue.Length > 0) {\r
 552                                                                 sHeaderName = _WorkerRequest.GetKnownRequestHeader(iCount);\r
 553                                                                 if (null != sHeaderName && sHeaderName.Length > 0) {\r
 554                                                                         _oHeaders.Add(sHeaderName, sHeaderValue);\r
 555                                                                 }\r
 556                                                         }\r
 557                                                 }\r
 558 \r
 559                                                 // Get all other headers\r
 560                                                 string [][] arrUnknownHeaders = _WorkerRequest.GetUnknownRequestHeaders();\r
 561                                                 if (null != arrUnknownHeaders) {\r
 562                                                         for (iCount = 0; iCount != arrUnknownHeaders.Length; iCount++) {\r
 563                                                                 _oHeaders.Add(arrUnknownHeaders[iCount][0], arrUnknownHeaders[iCount][1]);\r
 564                                                         }\r
 565                                                 }\r
 566                                         }\r
 567 \r
 568                                         // Make headers read-only\r
 569                                         _oHeaders.MakeReadOnly();\r
 570                                 }\r
 571 \r
 572                                 return (NameValueCollection) _oHeaders;\r
 573                         }\r
 574                 }\r
 575 \r
 576                 public string HttpMethod {\r
 577                         get {\r
 578                                 if (null == _sHttpMethod) {\r
 579                                         if (null != _WorkerRequest) {\r
 580                                                 _sHttpMethod = _WorkerRequest.GetHttpVerbName().ToUpper();\r
 581                                         }\r
 582                \r
 583                                         if (_sHttpMethod == null) {\r
 584                                                 if (RequestType != null)\r
 585                                                         _sHttpMethod = RequestType;\r
 586                                                 else\r
 587                                                         _sHttpMethod = "GET";\r
 588                                         }\r
 589                                 }\r
 590 \r
 591                                 return _sHttpMethod;\r
 592                         }\r
 593                 }\r
 594 \r
 595                 public Stream InputStream {\r
 596                         get {\r
 597                                 if (_oInputStream == null) {\r
 598                                         byte [] arrInputData = GetRawContent ();\r
 599 \r
 600                                         if (null != arrInputData) {\r
 601                                                 _oInputStream = new HttpRequestStream(arrInputData, 0, arrInputData.Length);\r
 602                                         } else {\r
 603                                                 _oInputStream = new HttpRequestStream(null, 0, 0);\r
 604                                         }\r
 605                                 }\r
 606 \r
 607                                 return _oInputStream;\r
 608                         } \r
 609                 }\r
 610 \r
 611                 public bool IsAuthenticated {\r
 612                         get {\r
 613                                 if (_oContext != null && _oContext.User != null && _oContext.User.Identity != null) {\r
 614                                         return _oContext.User.Identity.IsAuthenticated;\r
 615                                 }\r
 616 \r
 617                                 return false;\r
 618                         }\r
 619                 }\r
 620 \r
 621                 public bool IsSecureConnection {\r
 622                         get {\r
 623                                 if (null != _WorkerRequest) {\r
 624                                         return _WorkerRequest.IsSecure();\r
 625                                 }\r
 626 \r
 627                                 return false;\r
 628                         }\r
 629                 }\r
 630 \r
 631                 [MonoTODO("Call item in querystring, form, cookie and servervariables")]\r
 632                 public string this [string sKey] {\r
 633                         get {\r
 634                                 throw new NotImplementedException();\r
 635                         }\r
 636                 }\r
 637 \r
 638                 [MonoTODO("Add cookie collection to our Params collection via merge")]\r
 639                 public NameValueCollection Params {\r
 640                         get {\r
 641                                 if (_oParams == null) {\r
 642                                         _oParams = new HttpValueCollection();\r
 643                                         \r
 644                                         _oParams.Merge(QueryString);\r
 645                                         _oParams.Merge(Form);\r
 646                                         _oParams.Merge(ServerVariables);\r
 647                                         // TODO: Cookie\r
 648 \r
 649                                         _oParams.MakeReadOnly();\r
 650                                 }\r
 651 \r
 652                                 return (NameValueCollection) _oParams;\r
 653                         }\r
 654                 }\r
 655                 \r
 656                 public string Path {\r
 657                         get {\r
 658                                 if (_sPath == null) {\r
 659                                         if (null != _WorkerRequest) {\r
 660                                                 _sPath = _WorkerRequest.GetUriPath();\r
 661                                         }\r
 662 \r
 663                                         if (_sPath == null) {\r
 664                                                 _sPath = string.Empty;\r
 665                                         }\r
 666                                 }\r
 667 \r
 668                                 return _sPath;\r
 669                         }\r
 670                 }\r
 671                 \r
 672                 public string PathInfo {\r
 673                         get {\r
 674                                 if (_sPathInfo == null) {\r
 675                                         if (null != _WorkerRequest) {\r
 676                                                 _sPathInfo = _WorkerRequest.GetPathInfo();\r
 677                                         }\r
 678 \r
 679                                         if (_sPathInfo == null) {\r
 680                                                 _sPathInfo = string.Empty;\r
 681                                         }\r
 682                                 }\r
 683                                 \r
 684                                 return _sPathInfo;\r
 685                         }\r
 686                 }\r
 687 \r
 688                 public string PhysicalApplicationPath {\r
 689                         get {\r
 690                                 if (null != _WorkerRequest) {\r
 691                                         return _WorkerRequest.GetAppPathTranslated();\r
 692                                 }\r
 693 \r
 694                                 return null;\r
 695                         }\r
 696                 }\r
 697 \r
 698                 public string PhysicalPath {\r
 699                         get {\r
 700                                 if (null != _WorkerRequest) {\r
 701                                         _sPathTranslated = _WorkerRequest.GetFilePathTranslated();\r
 702                                         if (null == _sPathTranslated) {\r
 703                                                 _sPathTranslated = _WorkerRequest.MapPath(FilePath);\r
 704                                         }\r
 705                                 }\r
 706 \r
 707                                 return _sPathTranslated;\r
 708                         }\r
 709                 }\r
 710 \r
 711                 public NameValueCollection QueryString {\r
 712                         get {\r
 713                                 if (_oQueryString == null) {\r
 714                                         _oQueryString = new HttpValueCollection(QueryStringRaw, true,\r
 715                                                                                 WebEncoding.Encoding);\r
 716                                 }\r
 717 \r
 718                                 return _oQueryString;\r
 719                         }\r
 720                 }\r
 721 \r
 722                 // Used to parse the querystring\r
 723                 internal string QueryStringRaw {\r
 724                         get {\r
 725                                 if (_sQueryStringRaw == null && null != _WorkerRequest) {\r
 726                                         byte [] arrQuerystringBytes = _WorkerRequest.GetQueryStringRawBytes();\r
 727                                         if (null != arrQuerystringBytes && arrQuerystringBytes.Length > 0) {\r
 728                                                 _sQueryStringRaw = ContentEncoding.GetString(arrQuerystringBytes);\r
 729                                         } else {\r
 730                                                 _sQueryStringRaw = _WorkerRequest.GetQueryString();   \r
 731                                         }\r
 732                                 }\r
 733 \r
 734                                 if (_sQueryStringRaw == null) {\r
 735                                         _sQueryStringRaw = string.Empty;\r
 736                                 }\r
 737 \r
 738                                 return _sQueryStringRaw;\r
 739                         }\r
 740                 }\r
 741 \r
 742                 public string RawUrl {\r
 743                         get {\r
 744                                 if (null == _sRawUrl) {\r
 745                                         if (null != _WorkerRequest) {\r
 746                                                 _sRawUrl = _WorkerRequest.GetRawUrl();\r
 747                                         } else {\r
 748                                                 _sRawUrl = Path;\r
 749                                                 if (QueryStringRaw != null && QueryStringRaw.Length > 0) {\r
 750                                                         _sRawUrl = _sRawUrl + "?" + QueryStringRaw;\r
 751                                                 }\r
 752                                         }\r
 753                                 }\r
 754 \r
 755                                 return _sRawUrl;\r
 756                         }\r
 757                 }\r
 758 \r
 759                 public string RequestType {\r
 760                         get {\r
 761                                 if (null == _sRequestType) {\r
 762                                         return HttpMethod;\r
 763                                 }\r
 764          \r
 765                                 return _sRequestType;\r
 766                         }\r
 767 \r
 768                         set {\r
 769                                 _sRequestType = value;\r
 770                         }\r
 771                 }\r
 772                 \r
 773       \r
 774                 public NameValueCollection ServerVariables {\r
 775                         get {\r
 776                                 ParseServerVariables();\r
 777 \r
 778                                 return (NameValueCollection) _oServerVariables;\r
 779                         }\r
 780                 }      \r
 781 \r
 782                 public int TotalBytes {\r
 783                         get {\r
 784                                 if (_iTotalBytes == -1) {\r
 785                                         if (null != InputStream) {\r
 786                                                 _iTotalBytes = (int) InputStream.Length;\r
 787                                         } else {\r
 788                                                 _iTotalBytes = 0;\r
 789                                         }\r
 790                                 }\r
 791 \r
 792                                 return _iTotalBytes;\r
 793                         }\r
 794                 }\r
 795 \r
 796                 public Uri Url {\r
 797                         get {\r
 798                                 if (null == _oUrl) {\r
 799                                         _oUrl = new Uri(RawUrl);\r
 800                                 }\r
 801 \r
 802                                 return _oUrl;\r
 803                         }\r
 804                 }\r
 805 \r
 806                 public Uri UrlReferrer {\r
 807                         get {\r
 808                                 if (null == _oUriReferrer && null != _WorkerRequest) {\r
 809                                         string sReferrer = _WorkerRequest.GetKnownRequestHeader(HttpWorkerRequest.HeaderReferer);\r
 810                                         if (null != sReferrer && sReferrer.Length > 0) {\r
 811                                                 try {\r
 812                                                         if (sReferrer.IndexOf("://") >= 0) {\r
 813                                                                 _oUriReferrer = new Uri(sReferrer);\r
 814                                                         } else {\r
 815                                                                 _oUriReferrer = new Uri(this.Url, sReferrer);\r
 816                                                         }\r
 817                                                 }\r
 818                                                 catch (Exception) {\r
 819                                                 }\r
 820                                         }\r
 821                                 }\r
 822 \r
 823                                 return _oUriReferrer;\r
 824                         }\r
 825                 }\r
 826 \r
 827                 public string UserAgent {\r
 828                         get {\r
 829                                 if (_sUserAgent == null && _WorkerRequest != null) {\r
 830                                         _sUserAgent = _WorkerRequest.GetKnownRequestHeader(HttpWorkerRequest.HeaderUserAgent);\r
 831                                 }\r
 832 \r
 833                                 if (_sUserAgent == null) {\r
 834                                         _sUserAgent = string.Empty;\r
 835                                 }\r
 836 \r
 837                                 return _sUserAgent;\r
 838                         }\r
 839                 }\r
 840 \r
 841                 public string UserHostAddress {\r
 842                         get {\r
 843                                 if (_sUserHostAddress == null && null != _WorkerRequest) {\r
 844                                         _sUserHostAddress = _WorkerRequest.GetRemoteAddress();\r
 845                                 }\r
 846 \r
 847                                 if (_sUserHostAddress == null || _sUserHostAddress.Length == 0) {\r
 848                                         _sUserHostAddress = "127.0.0.1";\r
 849                                 }\r
 850 \r
 851                                 return _sUserHostAddress;\r
 852                         }\r
 853                 }\r
 854                 \r
 855                 public string UserHostName {\r
 856                         get {\r
 857                                 if (_sUserHostName == null && null != _WorkerRequest) {\r
 858                                         _sUserHostName = _WorkerRequest.GetRemoteName();\r
 859                                 }\r
 860 \r
 861                                 if (_sUserHostName == null || _sUserHostName.Length == 0) {\r
 862                                         _sUserHostName = UserHostAddress;\r
 863                                 }\r
 864 \r
 865                                 return _sUserHostName;\r
 866                         }\r
 867                 }\r
 868                 \r
 869                 public string [] UserLanguages {\r
 870                         get {\r
 871                                 if (_arrUserLanguages == null && null != _WorkerRequest) {\r
 872                                         _arrUserLanguages = HttpHelper.ParseMultiValueHeader(_WorkerRequest.GetKnownRequestHeader(HttpWorkerRequest.HeaderAcceptLanguage));\r
 873                                 }\r
 874 \r
 875                                 return _arrUserLanguages;\r
 876                         }\r
 877                 }\r
 878 \r
 879                 public byte [] BinaryRead(int count) {\r
 880                         int iSize = TotalBytes;\r
 881                         if (iSize == 0) {\r
 882                                 throw new ArgumentException();\r
 883                         }\r
 884 \r
 885                         byte [] arrData = new byte[iSize];\r
 886                         \r
 887                         int iRetSize = InputStream.Read(arrData, 0, iSize);\r
 888                         if (iRetSize != iSize) {\r
 889                                 byte [] tmpData = new byte[iRetSize];\r
 890                                 if (iRetSize > 0) {\r
 891                                         Array.Copy(arrData, 0, tmpData, 0, iRetSize);\r
 892                                 }\r
 893 \r
 894                                 arrData = tmpData;\r
 895                         }\r
 896 \r
 897                         return arrData;\r
 898                 }\r
 899 \r
 900                 public int [] MapImageCoordinates(string ImageFieldName) {\r
 901                         NameValueCollection oItems;\r
 902 \r
 903                         if (HttpMethod == "GET" || HttpMethod == "HEAD") {\r
 904                                 oItems = QueryString;\r
 905                         } else if (HttpMethod == "POST") {\r
 906                                 oItems = Form;\r
 907                         } else {\r
 908                                 return null;\r
 909                         }\r
 910 \r
 911                         int [] arrRet = null;\r
 912                         try {\r
 913                                 string sX = oItems.Get(ImageFieldName + ".x");\r
 914                                 string sY = oItems.Get(ImageFieldName + ".y");\r
 915 \r
 916                                 if (null != sX && null != sY) {\r
 917                                         int [] arrTmp = new Int32[2];\r
 918                                         arrRet[0] = Int32.Parse(sX);\r
 919                                         arrRet[1] = Int32.Parse(sY);\r
 920 \r
 921                                         arrRet = arrTmp;\r
 922                                 }\r
 923                         }\r
 924                         catch (Exception) {\r
 925                         }\r
 926 \r
 927                         return arrRet;\r
 928                 }\r
 929 \r
 930                 public string MapPath(string VirtualPath)\r
 931                 {\r
 932                         return MapPath (VirtualPath, _sRequestRootVirtualDir, true);\r
 933                 }\r
 934 \r
 935                 [MonoTODO]\r
 936                 public string MapPath(string virtualPath, string baseVirtualDir, bool allowCrossAppMapping)\r
 937                 {\r
 938                         if (_WorkerRequest == null)\r
 939                                 throw new HttpException ("No HttpWorkerRequest!!!");\r
 940 \r
 941                         if (virtualPath == null || virtualPath.Length == 0)\r
 942                                 virtualPath = ".";\r
 943 \r
 944                         virtualPath = System.IO.Path.Combine (baseVirtualDir, virtualPath);\r
 945                         return _WorkerRequest.MapPath (virtualPath);\r
 946                 }\r
 947 \r
 948                 public void SaveAs(string filename, bool includeHeaders) {\r
 949                         FileStream oFile;\r
 950                         TextWriter oWriter;\r
 951                         HttpRequestStream oData;\r
 952 \r
 953                         oFile = new FileStream(filename, FileMode.CreateNew);\r
 954                         if (includeHeaders) {\r
 955                                 oWriter = new StreamWriter(oFile);\r
 956                                 oWriter.Write(HttpMethod + " " + Path);\r
 957 \r
 958                                 if (QueryStringRaw != null && QueryStringRaw.Length > 0)\r
 959                                         oWriter.Write("?" + QueryStringRaw);\r
 960                                 if (_WorkerRequest != null) {\r
 961                                         oWriter.Write(" " + _WorkerRequest.GetHttpVersion() + "\r\n");\r
 962                                         oWriter.Write(GetAllHeaders(true));\r
 963                                 } else {\r
 964                                         oWriter.Write("\r\n");\r
 965                                 }\r
 966 \r
 967                                 oWriter.Write("\r\n");\r
 968                                 oWriter.Flush();\r
 969                         }\r
 970 \r
 971                         oData = (HttpRequestStream) InputStream;\r
 972 \r
 973                         if (oData.DataLength > 0) {\r
 974                                 oFile.Write(oData.Data, oData.DataOffset, oData.DataLength);\r
 975                         }\r
 976 \r
 977                         oFile.Flush();\r
 978                         oFile.Close();\r
 979                 }\r
 980         }\r
 981 }\r