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 //
   7
   8 //
   9 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  10 //
  11 // Permission is hereby granted, free of charge, to any person obtaining
  12 // a copy of this software and associated documentation files (the
  13 // "Software"), to deal in the Software without restriction, including
  14 // without limitation the rights to use, copy, modify, merge, publish,
  15 // distribute, sublicense, and/or sell copies of the Software, and to
  16 // permit persons to whom the Software is furnished to do so, subject to
  17 // the following conditions:
  18 //
  19 // The above copyright notice and this permission notice shall be
  20 // included in all copies or substantial portions of the Software.
  21 //
  22 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  23 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  24 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  25 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  26 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  27 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  28 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  29 //
  30
  31 using System.Collections;
  32 using System.IO;
  33 using System.Runtime.InteropServices;
  34 using System.Security;
  35 using System.Security.Permissions;
  36 using System.Web.UI;
  37 using System.Web.Util;
  38
  39 namespace System.Web.Hosting {
  40
  41         // CAS
  42         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  43         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  44         // attributes
  45         [ComVisible (false)]
  46         public class SimpleWorkerRequest : HttpWorkerRequest {
  47                 string page;
  48                 string query;
  49                 string app_virtual_dir;
  50                 string app_physical_dir;
  51                 string path_info;
  52                 TextWriter output;
  53
  54                 bool hosted;
  55
  56                 // computed
  57                 string raw_url;
  58
  59                 //
  60                 // Constructor used when the target application domain
  61                 // was created with ApplicationHost.CreateApplicationHost
  62                 //
  63                 [SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
  64                 public SimpleWorkerRequest (string page, string query, TextWriter output)
  65                 {
  66                         this.page = page;
  67                         this.query = query;
  68                         this.output = output;
  69
  70                         app_virtual_dir = HttpRuntime.AppDomainAppVirtualPath;
  71                         app_physical_dir = HttpRuntime.AppDomainAppPath;
  72                         hosted = true;
  73                 }
  74
  75                 //
  76                 // Creates a SimpleWorkerRequest that can be used from any AppDomain
  77                 //
  78                 // This is used for user instantiates HttpContext (my_SimpleWorkerRequest)
  79                 //
  80                 [SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
  81                 public SimpleWorkerRequest (string appVirtualDir, string appPhysicalDir, string page, string query, TextWriter output)
  82                 {
  83                         this.page = page;
  84                         this.query = query;
  85                         this.output = output;
  86                         app_virtual_dir = appVirtualDir;
  87                         app_physical_dir = appPhysicalDir;
  88                 }
  89
  90
  91                 public override string MachineConfigPath {
  92                         get {
  93                                 if (hosted) {
  94                                         string path = ICalls.GetMachineConfigPath ();
  95                                         if (SecurityManager.SecurityEnabled && (path != null) && (path.Length > 0)) {
  96                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, path).Demand ();
  97                                         }
  98                                         return path;
  99                                 }
 100                                 return null;
 101                         }
 102                 }
 103
 104                 public override string MachineInstallDirectory {
 105                         get {
 106                                 if (hosted) {
 107                                         string path = ICalls.GetMachineInstallDirectory ();
 108                                         if (SecurityManager.SecurityEnabled && (path != null) && (path.Length > 0)) {
 109                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, path).Demand ();
 110                                         }
 111                                         return path;
 112                                 }
 113                                 return null;
 114                         }
 115                 }
 116
 117                 public override void EndOfRequest ()
 118                 {
 119                 }
 120
 121                 public override void FlushResponse (bool finalFlush)
 122                 {
 123                 }
 124
 125                 public override string GetAppPath ()
 126                 {
 127                         return app_virtual_dir;
 128                 }
 129
 130                 public override string GetAppPathTranslated ()
 131                 {
 132                         if (SecurityManager.SecurityEnabled && (app_physical_dir != null) && (app_physical_dir.Length > 0)) {
 133                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, app_physical_dir).Demand ();
 134                         }
 135                         return app_physical_dir;
 136                 }
 137
 138                 public override string GetFilePath ()
 139                 {
 140                         return Path.Combine (app_virtual_dir, page);
 141                 }
 142
 143                 public override string GetFilePathTranslated ()
 144                 {
 145                         string local_page;
 146
 147                         if (Path.DirectorySeparatorChar == '\\')
 148                                 local_page = page.Replace ('/', '\\');
 149                         else
 150                                 local_page = page;
 151
 152                         string path = Path.Combine (app_physical_dir, local_page);
 153                         if (SecurityManager.SecurityEnabled && (path != null) && (path.Length > 0)) {
 154                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, path).Demand ();
 155                         }
 156                         return path;
 157                 }
 158
 159                 public override string GetHttpVerbName ()
 160                 {
 161                         return "GET";
 162                 }
 163
 164                 public override string GetHttpVersion ()
 165                 {
 166                         return "HTTP/1.0";
 167                 }
 168
 169                 public override string GetLocalAddress ()
 170                 {
 171                         return "127.0.0.1";
 172                 }
 173
 174                 public override int GetLocalPort ()
 175                 {
 176                         return 80;
 177                 }
 178
 179                 public override string GetPathInfo ()
 180                 {
 181                         if (path_info == null) {
 182                                 int idx = page.IndexOf ('/');
 183                                 if (idx >= 0) {
 184                                         path_info = page.Substring (idx);
 185                                 } else {
 186                                         path_info = "";
 187                                 }
 188                         }
 189                         return path_info;
 190                 }
 191
 192                 public override string GetQueryString ()
 193                 {
 194                         return query;
 195                 }
 196
 197                 public override string GetRawUrl ()
 198                 {
 199                         if (raw_url == null){
 200                                 string q = ((query == null || query == "") ? "" : "?" + query);
 201
 202                                 raw_url = Path.Combine (app_virtual_dir, page) + q;
 203                         }
 204                         return raw_url;
 205                 }
 206
 207                 public override string GetRemoteAddress ()
 208                 {
 209                         return "127.0.0.1";
 210                 }
 211
 212                 public override int GetRemotePort ()
 213                 {
 214                         return 0;
 215                 }
 216
 217                 public override string GetServerVariable (string name)
 218                 {
 219                         return "";
 220                 }
 221
 222                 public override string GetUriPath ()
 223                 {
 224                         if (app_virtual_dir == "/")
 225                                 return app_virtual_dir +  page;
 226                         return app_virtual_dir + "/" + page;
 227                 }
 228
 229                 public override IntPtr GetUserToken ()
 230                 {
 231                         return IntPtr.Zero;
 232                 }
 233
 234                 public override string MapPath (string path)
 235                 {
 236                         if (!hosted)
 237                                 return null;
 238
 239                         if (!path.StartsWith (app_virtual_dir))
 240                                 throw new ArgumentNullException ("path is not rooted in the virtual directory");
 241
 242                         string rest = path.Substring (app_virtual_dir.Length);
 243                         if (rest.Length > 0 && rest [0] == '/')
 244                                 rest = rest.Substring (1);
 245                         return Path.Combine (app_physical_dir, rest);
 246                 }
 247
 248                 public override void SendKnownResponseHeader (int index, string value)
 249                 {
 250                 }
 251
 252                 public override void SendResponseFromFile (IntPtr handle, long offset, long length)
 253                 {
 254                 }
 255
 256                 public override void SendResponseFromFile (string filename, long offset, long length)
 257                 {
 258                 }
 259
 260                 public override void SendResponseFromMemory (byte [] data, int length)
 261                 {
 262                         output.Write (System.Text.Encoding.Default.GetChars (data, 0, length));
 263                 }
 264
 265
 266                 public override void SendStatus (int statusCode, string statusDescription)
 267                 {
 268                 }
 269
 270                 public override void SendUnknownResponseHeader (string name, string value)
 271                 {
 272                 }
 273         }
 274 }