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 { return _browser; }\r
 294 \r
 295                         set { _browser = value; }\r
 296                 }\r
 297 \r
 298                 public HttpClientCertificate ClientCertificate {\r
 299                         get {\r
 300                                 if (null == _ClientCert) {\r
 301                                         _ClientCert = new HttpClientCertificate(_oContext);\r
 302                                 }\r
 303 \r
 304                                 return _ClientCert;\r
 305                         }\r
 306                 }\r
 307 \r
 308                 private string GetValueFromHeader (string header, string attr)\r
 309                 {\r
 310                         int where = header.IndexOf (attr + '=');\r
 311                         if (where == -1)\r
 312                                 return null;\r
 313 \r
 314                         where += attr.Length + 1;\r
 315                         int max = header.Length;\r
 316                         if (where >= max)\r
 317                                 return String.Empty;\r
 318 \r
 319                         char ending = header [where];\r
 320                         if (ending != '"')\r
 321                                 ending = ' ';\r
 322 \r
 323                         int end = header.Substring (where + 1).IndexOf (ending);\r
 324                         if (end == -1)\r
 325                                 return (ending == '"') ? null : header.Substring (where);\r
 326 \r
 327                         return header.Substring (where, end);\r
 328                 }\r
 329                 \r
 330                 public Encoding ContentEncoding\r
 331                 {\r
 332                         get {\r
 333                                 if (_oContentEncoding == null) {\r
 334                                         if (_WorkerRequest != null && \r
 335                                             (!_WorkerRequest.HasEntityBody () || ContentType != String.Empty)) {\r
 336                                                 _oContentEncoding = WebEncoding.Encoding;\r
 337                                         } else  {\r
 338                                                 string charset;\r
 339                                                 charset = GetValueFromHeader (_sContentType, "charset");\r
 340                                                 try {\r
 341                                                         _oContentEncoding = Encoding.GetEncoding (charset);\r
 342                                                 } catch {\r
 343                                                         _oContentEncoding = WebEncoding.Encoding;\r
 344                                                 }\r
 345                                         }\r
 346                                 }\r
 347 \r
 348                                 return _oContentEncoding;\r
 349                         }\r
 350 \r
 351                         set {\r
 352                                 _oContentEncoding = value;\r
 353                         }\r
 354                 }\r
 355 \r
 356                 public int ContentLength {\r
 357                         get {\r
 358                                 if (_iContentLength == -1 && null != _WorkerRequest) {\r
 359                                         string sLength = _WorkerRequest.GetKnownRequestHeader(HttpWorkerRequest.HeaderContentLength);\r
 360                                         if (sLength != null) {\r
 361                                                 try {\r
 362                                                         _iContentLength = Int32.Parse(sLength);\r
 363                                                 }\r
 364                                                 catch(Exception) {\r
 365                                                 }\r
 366                                         } \r
 367                                 }\r
 368 \r
 369                                 if (_iContentLength < 0) {\r
 370                                         _iContentLength = 0;\r
 371                                 }\r
 372 \r
 373                                 return _iContentLength;\r
 374                         }\r
 375                 }\r
 376 \r
 377                 public string ContentType {\r
 378                         get {\r
 379                                 if (null == _sContentType) {\r
 380                                         if (null != _WorkerRequest) {\r
 381                                                 _sContentType = _WorkerRequest.GetKnownRequestHeader(HttpWorkerRequest.HeaderContentType);\r
 382                                         }\r
 383 \r
 384                                         if (null == _sContentType) {\r
 385                                                 _sContentType = string.Empty;\r
 386                                         }\r
 387                                 }\r
 388 \r
 389                                 return _sContentType;\r
 390                         }\r
 391                 }\r
 392 \r
 393                 static private string GetCookieValue (string str, int length, bool allowComma, ref int i)\r
 394                 {\r
 395                         if (i >= length)\r
 396                                 return null;\r
 397 \r
 398                         int k = i;\r
 399                         while (k < length && Char.IsWhiteSpace (str [k]))\r
 400                                 k++;\r
 401 \r
 402                         int begin = k;\r
 403                         while (k < length && (str [k] != ';' || (allowComma && str [k] == ',')))\r
 404                                 k++;\r
 405 \r
 406                         i = k;\r
 407                         return str.Substring (begin, i - begin).Trim ();\r
 408                 }\r
 409 \r
 410                 static private string GetCookieName (string str, int length, ref int i)\r
 411                 {\r
 412                         if (i >= length)\r
 413                                 return null;\r
 414 \r
 415                         int k = i;\r
 416                         while (k < length && Char.IsWhiteSpace (str [k]))\r
 417                                 k++;\r
 418 \r
 419                         int begin = k;\r
 420                         while (k < length && str [k] != ';' &&  str [k] != '=')\r
 421                                 k++;\r
 422 \r
 423                         i = k + 1;\r
 424                         return str.Substring (begin, k - begin).Trim ();\r
 425                 }\r
 426 \r
 427                 private void GetCookies ()\r
 428                 {\r
 429                         string header = _WorkerRequest.GetKnownRequestHeader (HttpWorkerRequest.HeaderCookie);\r
 430                         if (header == null || header.Length == 0)\r
 431                                 return;\r
 432 \r
 433                         /* RFC 2109\r
 434                          *      cookie          =       "Cookie:" cookie-version\r
 435                          *                                 1*((";" | ",") cookie-value)\r
 436                          *      cookie-value    =       NAME "=" VALUE [";" path] [";" domain]\r
 437                          *      cookie-version  =       "$Version" "=" value\r
 438                          *      NAME            =       attr\r
 439                          *      VALUE           =       value\r
 440                          *      path            =       "$Path" "=" value\r
 441                          *      domain          =       "$Domain" "=" value\r
 442                          *\r
 443                          *      MS ignores $Version! \r
 444                          *      ',' as a separator produces errors.\r
 445                          */\r
 446 \r
 447                         cookies = new HttpCookieCollection (_oContext.Response, false);\r
 448                         string [] name_values = header.Trim ().Split (';');\r
 449                         int length = name_values.Length;\r
 450                         HttpCookie cookie = null;\r
 451                         int pos;\r
 452                         for (int i = 0; i < length; i++) {\r
 453                                 pos = 0;\r
 454                                 string name_value = name_values [i].Trim ();\r
 455                                 string name = GetCookieName (name_value, name_value.Length, ref pos);\r
 456                                 string value = GetCookieName (name_value, name_value.Length, ref pos);\r
 457                                 if (cookie != null) {\r
 458                                         if (name == "$Path") {\r
 459                                                 cookie.Path = value;\r
 460                                                 continue;\r
 461                                         } else if (name == "$Domain") {\r
 462                                                 cookie.Domain = value;\r
 463                                                 continue;\r
 464                                         } else {\r
 465                                                 cookies.Add (cookie);\r
 466                                                 cookie = null;\r
 467                                         }\r
 468                                 }\r
 469                                 cookie = new HttpCookie (name, value);\r
 470                         }\r
 471 \r
 472                         if (cookie != null)\r
 473                                 cookies.Add (cookie);\r
 474                 }\r
 475 \r
 476                 public HttpCookieCollection Cookies\r
 477                 {\r
 478                         get {\r
 479                                 if (cookies == null) {\r
 480                                         cookies = new HttpCookieCollection (null, false);\r
 481                                         if (_WorkerRequest != null)\r
 482                                                 GetCookies ();\r
 483                                 }\r
 484 \r
 485                                 return cookies;\r
 486                         }\r
 487                 }\r
 488 \r
 489                 [MonoTODO()]\r
 490                 public string CurrentExecutionFilePath {\r
 491                         get {\r
 492                                 throw new NotImplementedException();\r
 493                         }\r
 494                 }\r
 495 \r
 496                 public string FilePath {\r
 497                         get {\r
 498                                 if (null == _sFilePath && null != _WorkerRequest) {\r
 499                                         _sFilePath = _WorkerRequest.GetFilePath();\r
 500                                 }\r
 501 \r
 502                                 return _sFilePath;\r
 503                         }\r
 504                 }\r
 505 \r
 506                 [MonoTODO()]\r
 507                 public HttpFileCollection Files {\r
 508                         get {\r
 509                                 throw new NotImplementedException();\r
 510                         }\r
 511                 }\r
 512 \r
 513                 [MonoTODO("Use stream filter in the request stream")]\r
 514                 public Stream Filter {\r
 515                         get {\r
 516                                 throw new NotImplementedException();\r
 517                         }\r
 518 \r
 519                         set {\r
 520                                 throw new NotImplementedException();\r
 521                         }\r
 522                 }\r
 523 \r
 524 \r
 525                 public NameValueCollection Form {\r
 526                         get {\r
 527                                 ParseFormData();\r
 528 \r
 529                                 return (NameValueCollection) _oFormData;\r
 530                         }\r
 531                 }\r
 532 \r
 533                 public NameValueCollection Headers {\r
 534                         get {\r
 535                                 if (_oHeaders == null) {\r
 536                                         _oHeaders = new HttpValueCollection();\r
 537 \r
 538                                         if (null != _WorkerRequest) {\r
 539                                                 string sHeaderValue;\r
 540                                                 string sHeaderName;\r
 541                                                 int iCount = 0;\r
 542 \r
 543                                                 // Add all know headers\r
 544                                                 for (; iCount != 40; iCount++) {\r
 545                                                         sHeaderValue = _WorkerRequest.GetKnownRequestHeader(iCount);\r
 546                                                         if (null != sHeaderValue && sHeaderValue.Length > 0) {\r
 547                                                                 sHeaderName = _WorkerRequest.GetKnownRequestHeader(iCount);\r
 548                                                                 if (null != sHeaderName && sHeaderName.Length > 0) {\r
 549                                                                         _oHeaders.Add(sHeaderName, sHeaderValue);\r
 550                                                                 }\r
 551                                                         }\r
 552                                                 }\r
 553 \r
 554                                                 // Get all other headers\r
 555                                                 string [][] arrUnknownHeaders = _WorkerRequest.GetUnknownRequestHeaders();\r
 556                                                 if (null != arrUnknownHeaders) {\r
 557                                                         for (iCount = 0; iCount != arrUnknownHeaders.Length; iCount++) {\r
 558                                                                 _oHeaders.Add(arrUnknownHeaders[iCount][0], arrUnknownHeaders[iCount][1]);\r
 559                                                         }\r
 560                                                 }\r
 561                                         }\r
 562 \r
 563                                         // Make headers read-only\r
 564                                         _oHeaders.MakeReadOnly();\r
 565                                 }\r
 566 \r
 567                                 return (NameValueCollection) _oHeaders;\r
 568                         }\r
 569                 }\r
 570 \r
 571                 public string HttpMethod {\r
 572                         get {\r
 573                                 if (null == _sHttpMethod) {\r
 574                                         if (null != _WorkerRequest) {\r
 575                                                 _sHttpMethod = _WorkerRequest.GetHttpVerbName().ToUpper();\r
 576                                         }\r
 577                \r
 578                                         if (_sHttpMethod == null) {\r
 579                                                 if (RequestType != null)\r
 580                                                         _sHttpMethod = RequestType;\r
 581                                                 else\r
 582                                                         _sHttpMethod = "GET";\r
 583                                         }\r
 584                                 }\r
 585 \r
 586                                 return _sHttpMethod;\r
 587                         }\r
 588                 }\r
 589 \r
 590                 public Stream InputStream {\r
 591                         get {\r
 592                                 if (_oInputStream == null) {\r
 593                                         byte [] arrInputData = GetRawContent ();\r
 594 \r
 595                                         if (null != arrInputData) {\r
 596                                                 _oInputStream = new HttpRequestStream(arrInputData, 0, arrInputData.Length);\r
 597                                         } else {\r
 598                                                 _oInputStream = new HttpRequestStream(null, 0, 0);\r
 599                                         }\r
 600                                 }\r
 601 \r
 602                                 return _oInputStream;\r
 603                         } \r
 604                 }\r
 605 \r
 606                 public bool IsAuthenticated {\r
 607                         get {\r
 608                                 if (_oContext != null && _oContext.User != null && _oContext.User.Identity != null) {\r
 609                                         return _oContext.User.Identity.IsAuthenticated;\r
 610                                 }\r
 611 \r
 612                                 return false;\r
 613                         }\r
 614                 }\r
 615 \r
 616                 public bool IsSecureConnection {\r
 617                         get {\r
 618                                 if (null != _WorkerRequest) {\r
 619                                         return _WorkerRequest.IsSecure();\r
 620                                 }\r
 621 \r
 622                                 return false;\r
 623                         }\r
 624                 }\r
 625 \r
 626                 [MonoTODO("Call item in querystring, form, cookie and servervariables")]\r
 627                 public string this [string sKey] {\r
 628                         get {\r
 629                                 throw new NotImplementedException();\r
 630                         }\r
 631                 }\r
 632 \r
 633                 [MonoTODO("Add cookie collection to our Params collection via merge")]\r
 634                 public NameValueCollection Params {\r
 635                         get {\r
 636                                 if (_oParams == null) {\r
 637                                         _oParams = new HttpValueCollection();\r
 638                                         \r
 639                                         _oParams.Merge(QueryString);\r
 640                                         _oParams.Merge(Form);\r
 641                                         _oParams.Merge(ServerVariables);\r
 642                                         // TODO: Cookie\r
 643 \r
 644                                         _oParams.MakeReadOnly();\r
 645                                 }\r
 646 \r
 647                                 return (NameValueCollection) _oParams;\r
 648                         }\r
 649                 }\r
 650                 \r
 651                 public string Path {\r
 652                         get {\r
 653                                 if (_sPath == null) {\r
 654                                         if (null != _WorkerRequest) {\r
 655                                                 _sPath = _WorkerRequest.GetUriPath();\r
 656                                         }\r
 657 \r
 658                                         if (_sPath == null) {\r
 659                                                 _sPath = string.Empty;\r
 660                                         }\r
 661                                 }\r
 662 \r
 663                                 return _sPath;\r
 664                         }\r
 665                 }\r
 666                 \r
 667                 public string PathInfo {\r
 668                         get {\r
 669                                 if (_sPathInfo == null) {\r
 670                                         if (null != _WorkerRequest) {\r
 671                                                 _sPathInfo = _WorkerRequest.GetPathInfo();\r
 672                                         }\r
 673 \r
 674                                         if (_sPathInfo == null) {\r
 675                                                 _sPathInfo = string.Empty;\r
 676                                         }\r
 677                                 }\r
 678                                 \r
 679                                 return _sPathInfo;\r
 680                         }\r
 681                 }\r
 682 \r
 683                 public string PhysicalApplicationPath {\r
 684                         get {\r
 685                                 if (null != _WorkerRequest) {\r
 686                                         return _WorkerRequest.GetAppPathTranslated();\r
 687                                 }\r
 688 \r
 689                                 return null;\r
 690                         }\r
 691                 }\r
 692 \r
 693                 public string PhysicalPath {\r
 694                         get {\r
 695                                 if (null != _WorkerRequest) {\r
 696                                         _sPathTranslated = _WorkerRequest.GetFilePathTranslated();\r
 697                                         if (null == _sPathTranslated) {\r
 698                                                 _sPathTranslated = _WorkerRequest.MapPath(FilePath);\r
 699                                         }\r
 700                                 }\r
 701 \r
 702                                 return _sPathTranslated;\r
 703                         }\r
 704                 }\r
 705 \r
 706                 public NameValueCollection QueryString {\r
 707                         get {\r
 708                                 if (_oQueryString == null) {\r
 709                                         _oQueryString = new HttpValueCollection(QueryStringRaw, true,\r
 710                                                                                 WebEncoding.Encoding);\r
 711                                 }\r
 712 \r
 713                                 return _oQueryString;\r
 714                         }\r
 715                 }\r
 716 \r
 717                 // Used to parse the querystring\r
 718                 internal string QueryStringRaw {\r
 719                         get {\r
 720                                 if (_sQueryStringRaw == null && null != _WorkerRequest) {\r
 721                                         byte [] arrQuerystringBytes = _WorkerRequest.GetQueryStringRawBytes();\r
 722                                         if (null != arrQuerystringBytes && arrQuerystringBytes.Length > 0) {\r
 723                                                 _sQueryStringRaw = ContentEncoding.GetString(arrQuerystringBytes);\r
 724                                         } else {\r
 725                                                 _sQueryStringRaw = _WorkerRequest.GetQueryString();   \r
 726                                         }\r
 727                                 }\r
 728 \r
 729                                 if (_sQueryStringRaw == null) {\r
 730                                         _sQueryStringRaw = string.Empty;\r
 731                                 }\r
 732 \r
 733                                 return _sQueryStringRaw;\r
 734                         }\r
 735                 }\r
 736 \r
 737                 public string RawUrl {\r
 738                         get {\r
 739                                 if (null == _sRawUrl) {\r
 740                                         if (null != _WorkerRequest) {\r
 741                                                 _sRawUrl = _WorkerRequest.GetRawUrl();\r
 742                                         } else {\r
 743                                                 _sRawUrl = Path;\r
 744                                                 if (QueryStringRaw != null && QueryStringRaw.Length > 0) {\r
 745                                                         _sRawUrl = _sRawUrl + "?" + QueryStringRaw;\r
 746                                                 }\r
 747                                         }\r
 748                                 }\r
 749 \r
 750                                 return _sRawUrl;\r
 751                         }\r
 752                 }\r
 753 \r
 754                 public string RequestType {\r
 755                         get {\r
 756                                 if (null == _sRequestType) {\r
 757                                         return HttpMethod;\r
 758                                 }\r
 759          \r
 760                                 return _sRequestType;\r
 761                         }\r
 762 \r
 763                         set {\r
 764                                 _sRequestType = value;\r
 765                         }\r
 766                 }\r
 767                 \r
 768       \r
 769                 public NameValueCollection ServerVariables {\r
 770                         get {\r
 771                                 ParseServerVariables();\r
 772 \r
 773                                 return (NameValueCollection) _oServerVariables;\r
 774                         }\r
 775                 }      \r
 776 \r
 777                 public int TotalBytes {\r
 778                         get {\r
 779                                 if (_iTotalBytes == -1) {\r
 780                                         if (null != InputStream) {\r
 781                                                 _iTotalBytes = (int) InputStream.Length;\r
 782                                         } else {\r
 783                                                 _iTotalBytes = 0;\r
 784                                         }\r
 785                                 }\r
 786 \r
 787                                 return _iTotalBytes;\r
 788                         }\r
 789                 }\r
 790 \r
 791                 public Uri Url {\r
 792                         get {\r
 793                                 if (null == _oUrl) {\r
 794                                         _oUrl = new Uri(RawUrl);\r
 795                                 }\r
 796 \r
 797                                 return _oUrl;\r
 798                         }\r
 799                 }\r
 800 \r
 801                 public Uri UrlReferrer {\r
 802                         get {\r
 803                                 if (null == _oUriReferrer && null != _WorkerRequest) {\r
 804                                         string sReferrer = _WorkerRequest.GetKnownRequestHeader(HttpWorkerRequest.HeaderReferer);\r
 805                                         if (null != sReferrer && sReferrer.Length > 0) {\r
 806                                                 try {\r
 807                                                         if (sReferrer.IndexOf("://") >= 0) {\r
 808                                                                 _oUriReferrer = new Uri(sReferrer);\r
 809                                                         } else {\r
 810                                                                 _oUriReferrer = new Uri(this.Url, sReferrer);\r
 811                                                         }\r
 812                                                 }\r
 813                                                 catch (Exception) {\r
 814                                                 }\r
 815                                         }\r
 816                                 }\r
 817 \r
 818                                 return _oUriReferrer;\r
 819                         }\r
 820                 }\r
 821 \r
 822                 public string UserAgent {\r
 823                         get {\r
 824                                 if (_sUserAgent == null && _WorkerRequest != null) {\r
 825                                         _sUserAgent = _WorkerRequest.GetKnownRequestHeader(HttpWorkerRequest.HeaderUserAgent);\r
 826                                 }\r
 827 \r
 828                                 if (_sUserAgent == null) {\r
 829                                         _sUserAgent = string.Empty;\r
 830                                 }\r
 831 \r
 832                                 return _sUserAgent;\r
 833                         }\r
 834                 }\r
 835 \r
 836                 public string UserHostAddress {\r
 837                         get {\r
 838                                 if (_sUserHostAddress == null && null != _WorkerRequest) {\r
 839                                         _sUserHostAddress = _WorkerRequest.GetRemoteAddress();\r
 840                                 }\r
 841 \r
 842                                 if (_sUserHostAddress == null || _sUserHostAddress.Length == 0) {\r
 843                                         _sUserHostAddress = "127.0.0.1";\r
 844                                 }\r
 845 \r
 846                                 return _sUserHostAddress;\r
 847                         }\r
 848                 }\r
 849                 \r
 850                 public string UserHostName {\r
 851                         get {\r
 852                                 if (_sUserHostName == null && null != _WorkerRequest) {\r
 853                                         _sUserHostName = _WorkerRequest.GetRemoteName();\r
 854                                 }\r
 855 \r
 856                                 if (_sUserHostName == null || _sUserHostName.Length == 0) {\r
 857                                         _sUserHostName = UserHostAddress;\r
 858                                 }\r
 859 \r
 860                                 return _sUserHostName;\r
 861                         }\r
 862                 }\r
 863                 \r
 864                 public string [] UserLanguages {\r
 865                         get {\r
 866                                 if (_arrUserLanguages == null && null != _WorkerRequest) {\r
 867                                         _arrUserLanguages = HttpHelper.ParseMultiValueHeader(_WorkerRequest.GetKnownRequestHeader(HttpWorkerRequest.HeaderAcceptLanguage));\r
 868                                 }\r
 869 \r
 870                                 return _arrUserLanguages;\r
 871                         }\r
 872                 }\r
 873 \r
 874                 public byte [] BinaryRead(int count) {\r
 875                         int iSize = TotalBytes;\r
 876                         if (iSize == 0) {\r
 877                                 throw new ArgumentException();\r
 878                         }\r
 879 \r
 880                         byte [] arrData = new byte[iSize];\r
 881                         \r
 882                         int iRetSize = InputStream.Read(arrData, 0, iSize);\r
 883                         if (iRetSize != iSize) {\r
 884                                 byte [] tmpData = new byte[iRetSize];\r
 885                                 if (iRetSize > 0) {\r
 886                                         Array.Copy(arrData, 0, tmpData, 0, iRetSize);\r
 887                                 }\r
 888 \r
 889                                 arrData = tmpData;\r
 890                         }\r
 891 \r
 892                         return arrData;\r
 893                 }\r
 894 \r
 895                 public int [] MapImageCoordinates(string ImageFieldName) {\r
 896                         NameValueCollection oItems;\r
 897 \r
 898                         if (HttpMethod == "GET" || HttpMethod == "HEAD") {\r
 899                                 oItems = QueryString;\r
 900                         } else if (HttpMethod == "POST") {\r
 901                                 oItems = Form;\r
 902                         } else {\r
 903                                 return null;\r
 904                         }\r
 905 \r
 906                         int [] arrRet = null;\r
 907                         try {\r
 908                                 string sX = oItems.Get(ImageFieldName + ".x");\r
 909                                 string sY = oItems.Get(ImageFieldName + ".y");\r
 910 \r
 911                                 if (null != sX && null != sY) {\r
 912                                         int [] arrTmp = new Int32[2];\r
 913                                         arrRet[0] = Int32.Parse(sX);\r
 914                                         arrRet[1] = Int32.Parse(sY);\r
 915 \r
 916                                         arrRet = arrTmp;\r
 917                                 }\r
 918                         }\r
 919                         catch (Exception) {\r
 920                         }\r
 921 \r
 922                         return arrRet;\r
 923                 }\r
 924 \r
 925                 public string MapPath(string VirtualPath)\r
 926                 {\r
 927                         return MapPath (VirtualPath, _sRequestRootVirtualDir, true);\r
 928                 }\r
 929 \r
 930                 [MonoTODO]\r
 931                 public string MapPath(string virtualPath, string baseVirtualDir, bool allowCrossAppMapping)\r
 932                 {\r
 933                         if (_WorkerRequest == null)\r
 934                                 throw new HttpException ("No HttpWorkerRequest!!!");\r
 935 \r
 936                         if (virtualPath == null || virtualPath.Length == 0)\r
 937                                 virtualPath = ".";\r
 938 \r
 939                         virtualPath = System.IO.Path.Combine (baseVirtualDir, virtualPath);\r
 940                         return _WorkerRequest.MapPath (virtualPath);\r
 941                 }\r
 942 \r
 943                 public void SaveAs(string filename, bool includeHeaders) {\r
 944                         FileStream oFile;\r
 945                         TextWriter oWriter;\r
 946                         HttpRequestStream oData;\r
 947 \r
 948                         oFile = new FileStream(filename, FileMode.CreateNew);\r
 949                         if (includeHeaders) {\r
 950                                 oWriter = new StreamWriter(oFile);\r
 951                                 oWriter.Write(HttpMethod + " " + Path);\r
 952 \r
 953                                 if (QueryStringRaw != null && QueryStringRaw.Length > 0)\r
 954                                         oWriter.Write("?" + QueryStringRaw);\r
 955                                 if (_WorkerRequest != null) {\r
 956                                         oWriter.Write(" " + _WorkerRequest.GetHttpVersion() + "\r\n");\r
 957                                         oWriter.Write(GetAllHeaders(true));\r
 958                                 } else {\r
 959                                         oWriter.Write("\r\n");\r
 960                                 }\r
 961 \r
 962                                 oWriter.Write("\r\n");\r
 963                                 oWriter.Flush();\r
 964                         }\r
 965 \r
 966                         oData = (HttpRequestStream) InputStream;\r
 967 \r
 968                         if (oData.DataLength > 0) {\r
 969                                 oFile.Write(oData.Data, oData.DataOffset, oData.DataLength);\r
 970                         }\r
 971 \r
 972                         oFile.Flush();\r
 973                         oFile.Close();\r
 974                 }\r
 975         }\r
 976 }\r