mcs/class/System.Web/System.Web.Hosting/SimpleWorkerRequest.cs

   1 //
   2 // System.Web.Hosting.SimpleWorkerRequest.cs
   3 //
   4 // Author:
   5 //      Miguel de Icaza (miguel@novell.com)
   6 //      Gonzalo Paniagua Javier (gonzalo@novell.com)
   7 //
   8
   9 //
  10 // Copyright (C) 2005,2006 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.Collections;
  33 using System.IO;
  34 using System.Runtime.InteropServices;
  35 using System.Security;
  36 using System.Security.Permissions;
  37 using System.Web.Configuration;
  38 using System.Web.UI;
  39 using System.Web.Util;
  40
  41 namespace System.Web.Hosting {
  42
  43         // CAS
  44         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  45         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  46         // attributes
  47         [ComVisible (false)]
  48         public class SimpleWorkerRequest : HttpWorkerRequest {
  49                 string page;
  50                 string query;
  51                 string app_virtual_dir;
  52                 string app_physical_dir;
  53                 string path_info;
  54                 TextWriter output;
  55
  56                 bool hosted;
  57
  58                 // computed
  59                 string raw_url;
  60
  61                 //
  62                 // Constructor used when the target application domain
  63                 // was created with ApplicationHost.CreateApplicationHost
  64                 //
  65                 [SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
  66                 public SimpleWorkerRequest (string page, string query, TextWriter output)
  67                 {
  68                         this.page = page;
  69                         this.query = query;
  70                         this.output = output;
  71
  72                         app_virtual_dir = HttpRuntime.AppDomainAppVirtualPath;
  73                         app_physical_dir = HttpRuntime.AppDomainAppPath;
  74                         hosted = true;
  75                         InitializePaths ();
  76                 }
  77
  78                 //
  79                 // Creates a SimpleWorkerRequest that can be used from any AppDomain
  80                 //
  81                 // This is used for user instantiates HttpContext (my_SimpleWorkerRequest)
  82                 //
  83                 [SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
  84                 public SimpleWorkerRequest (string appVirtualDir, string appPhysicalDir, string page, string query, TextWriter output)
  85                 {
  86                         this.page = page;
  87                         this.query = query;
  88                         this.output = output;
  89                         app_virtual_dir = appVirtualDir;
  90                         app_physical_dir = appPhysicalDir;
  91                         InitializePaths ();
  92                 }
  93
  94                 void InitializePaths ()
  95                 {
  96                         int idx = page.IndexOf ('/');
  97                         if (idx >= 0) {
  98                                 path_info = page.Substring (idx);
  99                                 page = page.Substring (0, idx);
 100                         } else {
 101                                 path_info = "";
 102                         }
 103                 }
 104
 105                 public override string MachineConfigPath {
 106                         get {
 107                                 if (hosted) {
 108                                         string path = ICalls.GetMachineConfigPath ();
 109                                         if (SecurityManager.SecurityEnabled && (path != null) && (path.Length > 0)) {
 110                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, path).Demand ();
 111                                         }
 112                                         return path;
 113                                 }
 114                                 return null;
 115                         }
 116                 }
 117
 118                 public override string MachineInstallDirectory {
 119                         get {
 120                                 if (hosted) {
 121                                         string path = ICalls.GetMachineInstallDirectory ();
 122                                         if (SecurityManager.SecurityEnabled && (path != null) && (path.Length > 0)) {
 123                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, path).Demand ();
 124                                         }
 125                                         return path;
 126                                 }
 127                                 return null;
 128                         }
 129                 }
 130                 public override string RootWebConfigPath {
 131                         get { return WebConfigurationManager.OpenWebConfiguration ("~").FilePath; }
 132                 }
 133
 134                 public override void EndOfRequest ()
 135                 {
 136                 }
 137
 138                 public override void FlushResponse (bool finalFlush)
 139                 {
 140                 }
 141
 142                 public override string GetAppPath ()
 143                 {
 144                         return app_virtual_dir;
 145                 }
 146
 147                 public override string GetAppPathTranslated ()
 148                 {
 149                         if (SecurityManager.SecurityEnabled && (app_physical_dir != null) && (app_physical_dir.Length > 0)) {
 150                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, app_physical_dir).Demand ();
 151                         }
 152                         return app_physical_dir;
 153                 }
 154
 155                 public override string GetFilePath ()
 156                 {
 157                         string result = UrlUtils.Combine (app_virtual_dir, page);
 158                         if (result == "")
 159                                 return app_virtual_dir == "/" ? app_virtual_dir : app_virtual_dir + "/";
 160
 161                         return result;
 162                 }
 163
 164                 public override string GetFilePathTranslated ()
 165                 {
 166                         string local_page;
 167
 168                         if (Path.DirectorySeparatorChar == '\\')
 169                                 local_page = page.Replace ('/', '\\');
 170                         else
 171                                 local_page = page;
 172
 173                         string path = Path.Combine (app_physical_dir, local_page);
 174                         if (SecurityManager.SecurityEnabled && (path != null) && (path.Length > 0)) {
 175                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, path).Demand ();
 176                         }
 177                         return path;
 178                 }
 179
 180                 public override string GetHttpVerbName ()
 181                 {
 182                         return "GET";
 183                 }
 184
 185                 public override string GetHttpVersion ()
 186                 {
 187                         return "HTTP/1.0";
 188                 }
 189
 190                 public override string GetLocalAddress ()
 191                 {
 192                         return "127.0.0.1";
 193                 }
 194
 195                 public override int GetLocalPort ()
 196                 {
 197                         return 80;
 198                 }
 199
 200                 public override string GetPathInfo ()
 201                 {
 202                         return path_info;
 203                 }
 204
 205                 public override string GetQueryString ()
 206                 {
 207                         return query;
 208                 }
 209
 210                 public override string GetRawUrl ()
 211                 {
 212                         if (raw_url == null){
 213                                 string q = ((query == null || query == "") ? "" : "?" + query);
 214                                 raw_url = UrlUtils.Combine (app_virtual_dir, page);
 215                                 if (path_info != "") {
 216                                         raw_url += "/" + path_info + q;
 217                                 } else {
 218                                         raw_url += q;
 219                                 }
 220                         }
 221                         return raw_url;
 222                 }
 223
 224                 public override string GetRemoteAddress ()
 225                 {
 226                         return "127.0.0.1";
 227                 }
 228
 229                 public override int GetRemotePort ()
 230                 {
 231                         return 0;
 232                 }
 233
 234                 public override string GetServerVariable (string name)
 235                 {
 236                         return "";
 237                 }
 238
 239                 public override string GetUriPath ()
 240                 {
 241                         if (app_virtual_dir == "/")
 242                                 return app_virtual_dir +  page + path_info;
 243
 244                         return app_virtual_dir + "/" + page + path_info;
 245                 }
 246
 247                 public override IntPtr GetUserToken ()
 248                 {
 249                         return IntPtr.Zero;
 250                 }
 251
 252                 public override string MapPath (string path)
 253                 {
 254                         if (!hosted)
 255                                 return null;
 256                         if (path != null && path.Length == 0)
 257                                 return app_physical_dir;
 258
 259                         if (!path.StartsWith (app_virtual_dir))
 260                                 throw new ArgumentNullException ("path is not rooted in the virtual directory");
 261
 262                         string rest = path.Substring (app_virtual_dir.Length);
 263                         if (rest.Length > 0 && rest [0] == '/')
 264                                 rest = rest.Substring (1);
 265                         if (Path.DirectorySeparatorChar != '/') // for windows suport
 266                                 rest = rest.Replace ('/', Path.DirectorySeparatorChar);
 267                         return Path.Combine (app_physical_dir, rest);
 268                 }
 269
 270                 public override void SendKnownResponseHeader (int index, string value)
 271                 {
 272                 }
 273
 274                 public override void SendResponseFromFile (IntPtr handle, long offset, long length)
 275                 {
 276                 }
 277
 278                 public override void SendResponseFromFile (string filename, long offset, long length)
 279                 {
 280                 }
 281
 282                 public override void SendResponseFromMemory (byte [] data, int length)
 283                 {
 284                         output.Write (System.Text.Encoding.Default.GetChars (data, 0, length));
 285                 }
 286
 287
 288                 public override void SendStatus (int statusCode, string statusDescription)
 289                 {
 290                 }
 291
 292                 public override void SendUnknownResponseHeader (string name, string value)
 293                 {
 294                 }
 295         }
 296 }