mcs/class/System.Web/System.Web/ServerVariablesCollection.cs

   1 //
   2 // System.Web.ServerVariablesCollection
   3 //
   4 // Authors:
   5 //      Alon Gazit (along@mainsoft.com)
   6 //      Miguel de Icaza (miguel@novell.com)
   7 //      Gonzalo Paniagua Javier (gonzalo@novell.com)
   8 //
   9 // (c) 2004 Mainsoft, Inc. (http://www.mainsoft.com)
  10 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  11 //
  12 // Permission is hereby granted, free of charge, to any person obtaining
  13 // a copy of this software and associated documentation files (the
  14 // "Software"), to deal in the Software without restriction, including
  15 // without limitation the rights to use, copy, modify, merge, publish,
  16 // distribute, sublicense, and/or sell copies of the Software, and to
  17 // permit persons to whom the Software is furnished to do so, subject to
  18 // the following conditions:
  19 //
  20 // The above copyright notice and this permission notice shall be
  21 // included in all copies or substantial portions of the Software.
  22 //
  23 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  24 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  25 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  26 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  27 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  28 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  29 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  30 //
  31
  32 using System.Text;
  33 using System.Collections;
  34 using System.Collections.Specialized;
  35 using System.Runtime.Serialization;
  36 using System.Globalization;
  37 using System.Security.Permissions;
  38 using System.Web.Util;
  39
  40 namespace System.Web
  41 {
  42         class ServerVariablesCollection : BaseParamsCollection
  43         {
  44                 HttpRequest request;
  45                 bool loaded;
  46
  47                 string QueryString {
  48                         get {
  49                                 string qs = _request.QueryStringRaw;
  50
  51                                 if (String.IsNullOrEmpty (qs))
  52                                         return qs;
  53
  54                                 if (qs [0] == '?')
  55                                         return qs.Substring (1);
  56
  57                                 return qs;
  58                         }
  59                 }
  60
  61                 public ServerVariablesCollection(HttpRequest request) : base(request)
  62                 {
  63                         IsReadOnly = true;
  64                         this.request = request;
  65                 }
  66
  67                 void AppendKeyValue (StringBuilder sb, string key, string value, bool standard)
  68                 {
  69                         //
  70                         // Standard has HTTP_ prefix, everything is uppercase, has no space
  71                         // after colon, - is changed to _
  72                         //
  73                         // Raw is header, colon, space, values, raw.
  74                         //
  75                         if (standard){
  76                                 sb.Append ("HTTP_");
  77                                 sb.Append (key.ToUpper (Helpers.InvariantCulture).Replace ('-', '_'));
  78                                 sb.Append (":");
  79                         } else {
  80                                 sb.Append (key);
  81                                 sb.Append (": ");
  82                         }
  83                         sb.Append (value);
  84                         sb.Append ("\r\n");
  85                 }
  86
  87                 string Fill (HttpWorkerRequest wr, bool standard)
  88                 {
  89                         StringBuilder sb = new StringBuilder ();
  90
  91                         for (int i = 0; i < HttpWorkerRequest.RequestHeaderMaximum; i++){
  92                                 string val = wr.GetKnownRequestHeader (i);
  93                                 if (val == null || val == "")
  94                                         continue;
  95                                 string key = HttpWorkerRequest.GetKnownRequestHeaderName (i);
  96                                 AppendKeyValue (sb, key, val, standard);
  97                         }
  98                         string [][] other = wr.GetUnknownRequestHeaders ();
  99                         if (other == null)
 100                                 return sb.ToString ();
 101
 102                         for (int i = other.Length; i > 0; ){
 103                                 i--;
 104                                 AppendKeyValue (sb, other [i][0], other [i][1], standard);
 105                         }
 106
 107                         return sb.ToString ();
 108                 }
 109
 110                 void AddHeaderVariables (HttpWorkerRequest wr)
 111                 {
 112                         string hname;
 113                         string hvalue;
 114
 115                         // Add all known headers
 116                         for (int i = 0; i < HttpWorkerRequest.RequestHeaderMaximum; i++) {
 117                                 hvalue = wr.GetKnownRequestHeader (i);
 118                                 if (null != hvalue && hvalue.Length > 0) {
 119                                         hname = HttpWorkerRequest.GetKnownRequestHeaderName (i);
 120                                         if (null != hname && hname.Length > 0)
 121                                                 Add ("HTTP_" + hname.ToUpper (Helpers.InvariantCulture).Replace ('-', '_'), hvalue);
 122                                 }
 123                         }
 124
 125                         // Get all other headers
 126                         string [][] unknown = wr.GetUnknownRequestHeaders ();
 127                         if (null != unknown) {
 128                                 for (int i = 0; i < unknown.Length; i++) {
 129                                         hname = unknown [i][0];
 130                                         if (hname == null)
 131                                                 continue;
 132                                         hvalue = unknown [i][1];
 133                                         Add ("HTTP_" + hname.ToUpper (Helpers.InvariantCulture).Replace ('-', '_'), hvalue);
 134                                 }
 135                         }
 136                 }
 137
 138                 void loadServerVariablesCollection()
 139                 {
 140                         HttpWorkerRequest wr = request.WorkerRequest;
 141                         if (loaded || (wr == null))
 142                                 return;
 143
 144                         IsReadOnly = false;
 145
 146                         Add("ALL_HTTP", Fill (wr, true));
 147                         Add("ALL_RAW",  Fill (wr, false));
 148
 149                         Add("APPL_MD_PATH", wr.GetServerVariable("APPL_MD_PATH"));
 150                         Add("APPL_PHYSICAL_PATH", wr.GetServerVariable("APPL_PHYSICAL_PATH"));
 151
 152                         if (null != request.Context.User && request.Context.User.Identity.IsAuthenticated) {
 153                                 Add ("AUTH_TYPE", request.Context.User.Identity.AuthenticationType);
 154                                 Add ("AUTH_USER", request.Context.User.Identity.Name);
 155                         } else {
 156                                 Add ("AUTH_TYPE", "");
 157                                 Add ("AUTH_USER", "");
 158                         }
 159
 160                         Add("AUTH_PASSWORD", wr.GetServerVariable("AUTH_PASSWORD"));
 161                         Add ("LOGON_USER", wr.GetServerVariable("LOGON_USER"));
 162                         Add ("REMOTE_USER", wr.GetServerVariable("REMOTE_USER"));
 163                         Add("CERT_COOKIE", wr.GetServerVariable("CERT_COOKIE"));
 164                         Add("CERT_FLAGS", wr.GetServerVariable("CERT_FLAGS"));
 165                         Add("CERT_ISSUER", wr.GetServerVariable("CERT_ISSUER"));
 166                         Add("CERT_KEYSIZE", wr.GetServerVariable("CERT_KEYSIZE"));
 167                         Add("CERT_SECRETKEYSIZE", wr.GetServerVariable("CERT_SECRETKEYSIZE"));
 168                         Add("CERT_SERIALNUMBER", wr.GetServerVariable("CERT_SERIALNUMBER"));
 169                         Add("CERT_SERVER_ISSUER", wr.GetServerVariable("CERT_SERVER_ISSUER"));
 170                         Add("CERT_SERVER_SUBJECT", wr.GetServerVariable("CERT_SERVER_SUBJECT"));
 171                         Add("CERT_SUBJECT", wr.GetServerVariable("CERT_SUBJECT"));
 172
 173                         string sTmp = wr.GetKnownRequestHeader(HttpWorkerRequest.HeaderContentLength);
 174                         if (null != sTmp)
 175                                 Add ("CONTENT_LENGTH", sTmp);
 176                         Add ("CONTENT_TYPE", request.ContentType);
 177
 178                         Add("GATEWAY_INTERFACE", wr.GetServerVariable("GATEWAY_INTERFACE"));
 179                         Add("HTTPS", wr.GetServerVariable("HTTPS"));
 180                         Add("HTTPS_KEYSIZE", wr.GetServerVariable("HTTPS_KEYSIZE"));
 181                         Add("HTTPS_SECRETKEYSIZE", wr.GetServerVariable("HTTPS_SECRETKEYSIZE"));
 182                         Add("HTTPS_SERVER_ISSUER", wr.GetServerVariable("HTTPS_SERVER_ISSUER"));
 183                         Add("HTTPS_SERVER_SUBJECT", wr.GetServerVariable("HTTPS_SERVER_SUBJECT"));
 184                         Add("INSTANCE_ID", wr.GetServerVariable("INSTANCE_ID"));
 185                         Add("INSTANCE_META_PATH", wr.GetServerVariable("INSTANCE_META_PATH"));
 186                         Add("LOCAL_ADDR", wr.GetLocalAddress());
 187                         Add("PATH_INFO", request.PathInfo);
 188                         Add("PATH_TRANSLATED", request.PhysicalPath);
 189                         Add("QUERY_STRING", QueryString);
 190                         Add("REMOTE_ADDR", request.UserHostAddress);
 191                         Add("REMOTE_HOST", request.UserHostName);
 192                         Add("REMOTE_PORT", wr.GetRemotePort ().ToString ());
 193                         Add("REQUEST_METHOD", request.HttpMethod);
 194                         Add("SCRIPT_NAME", request.FilePath);
 195                         Add("SERVER_NAME", wr.GetServerName());
 196                         Add("SERVER_PORT", wr.GetLocalPort().ToString());
 197                         if (wr.IsSecure())
 198                                 Add("SERVER_PORT_SECURE", "1");
 199                         else
 200                                 Add("SERVER_PORT_SECURE", "0");
 201                         Add("SERVER_PROTOCOL", wr.GetHttpVersion());
 202                         Add("SERVER_SOFTWARE", wr.GetServerVariable("SERVER_SOFTWARE"));
 203                         Add ("URL", request.FilePath);
 204
 205                         AddHeaderVariables (wr);
 206
 207                         IsReadOnly = true;
 208                         loaded = true;
 209                 }
 210
 211                 protected override void InsertInfo ()
 212                 {
 213                         loadServerVariablesCollection ();
 214                 }
 215
 216                 protected override string InternalGet (string name)
 217                 {
 218                         if ((name == null) || (this._request == null))
 219                                 return null;
 220                         name = name.ToUpper (Helpers.InvariantCulture);
 221                         switch (name) {
 222                                 case "AUTH_TYPE":
 223                                         if (null != _request.Context.User && _request.Context.User.Identity.IsAuthenticated)
 224                                                 return _request.Context.User.Identity.AuthenticationType;
 225                                         else
 226                                                 return string.Empty;
 227                                 case "AUTH_USER":
 228                                         if (null != _request.Context.User && _request.Context.User.Identity.IsAuthenticated)
 229                                                 return _request.Context.User.Identity.Name;
 230                                         else
 231                                                 return string.Empty;
 232                                 case "QUERY_STRING":
 233                                         return QueryString;
 234                                 case "PATH_INFO":
 235                                         return this._request.PathInfo;
 236                                 case "PATH_TRANSLATED":
 237                                         return this._request.PhysicalPath;
 238                                 case "REQUEST_METHOD":
 239                                         return this._request.HttpMethod;
 240                                 case "REMOTE_ADDR":
 241                                         return this._request.UserHostAddress;
 242                                 case "REMOTE_HOST":
 243                                         return this._request.UserHostName;
 244                                 case "REMOTE_ADDRESS":
 245                                         return this._request.UserHostAddress;
 246                                 case "SCRIPT_NAME":
 247                                         return this._request.FilePath;
 248                                 case "LOCAL_ADDR":
 249                                         return this._request.WorkerRequest.GetLocalAddress ();
 250                                 case "SERVER_PROTOCOL":
 251                                         return _request.WorkerRequest.GetHttpVersion ();
 252                                 case "CONTENT_TYPE":
 253                                         return _request.ContentType;
 254                                 case "REMOTE_PORT":
 255                                         return _request.WorkerRequest.GetRemotePort ().ToString ();
 256                                 case "SERVER_NAME":
 257                                         return _request.WorkerRequest.GetServerName ();
 258                                 case "SERVER_PORT":
 259                                         return _request.WorkerRequest.GetLocalPort ().ToString ();
 260                                 case "APPL_PHYSICAL_PATH":
 261                                         return _request.WorkerRequest.GetAppPathTranslated ();
 262                                 case "REMOTE_USER":
 263                                         return (_request.Context.User != null && _request.Context.User.Identity.IsAuthenticated) ?
 264                                                 _request.Context.User.Identity.Name :
 265                                                 String.Empty;
 266                                 case "URL":
 267                                         return _request.FilePath;
 268                                 case "SERVER_PORT_SECURE":
 269                                         return (_request.WorkerRequest.IsSecure ()) ? "1" : "0";
 270                                 case "ALL_HTTP":
 271                                         return Fill (_request.WorkerRequest, true);
 272                                 case "ALL_RAW":
 273                                         return Fill (_request.WorkerRequest, false);
 274                                 case "SERVER_SOFTWARE":
 275                                 case "APPL_MD_PATH":
 276                                 case "AUTH_PASSWORD":
 277                                 case "CERT_COOKIE":
 278                                 case "CERT_FLAGS":
 279                                 case "CERT_ISSUER":
 280                                 case "CERT_KEYSIZE":
 281                                 case "CERT_SECRETKEYSIZE":
 282                                 case "CERT_SERIALNUMBER":
 283                                 case "CERT_SERVER_ISSUER":
 284                                 case "CERT_SERVER_SUBJECT":
 285                                 case "GATEWAY_INTERFACE":
 286                                 case "HTTPS":
 287                                 case "HTTPS_KEYSIZE":
 288                                 case "HTTPS_SECRETKEYSIZE":
 289                                 case "HTTPS_SERVER_ISSUER":
 290                                 case "HTTPS_SERVER_SUBJECT":
 291                                 case "INSTANCE_ID":
 292                                 case "INSTANCE_META_PATH":
 293                                 case "LOGON_USER":
 294                                 case "HTTP_ACCEPT":
 295                                 case "HTTP_REFERER":
 296                                 case "HTTP_ACCEPT_LANGUAGE":
 297                                 case "HTTP_ACCEPT_ENCODING":
 298                                 case "HTTP_CONNECTION":
 299                                 case "HTTP_HOST":
 300                                 case "HTTP_USER_AGENT":
 301                                 case "HTTP_SOAPACTION":
 302                                         return _request.WorkerRequest.GetServerVariable (name);
 303                                 default:
 304                                         return null;
 305                         }
 306                 }
 307         }
 308 }