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.Configuration;
  37 using System.Web.UI;
  38 using System.Web.Util;
  39
  40 namespace System.Web.Hosting {
  41
  42         // CAS
  43         [AspNetHostingPermission (SecurityAction.LinkDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  44         [AspNetHostingPermission (SecurityAction.InheritanceDemand, Level = AspNetHostingPermissionLevel.Minimal)]
  45         // attributes
  46         [ComVisible (false)]
  47         public class SimpleWorkerRequest : HttpWorkerRequest {
  48                 string page;
  49                 string query;
  50                 string app_virtual_dir;
  51                 string app_physical_dir;
  52                 string path_info;
  53                 TextWriter output;
  54
  55                 bool hosted;
  56
  57                 // computed
  58                 string raw_url;
  59
  60                 //
  61                 // Constructor used when the target application domain
  62                 // was created with ApplicationHost.CreateApplicationHost
  63                 //
  64                 [SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
  65                 public SimpleWorkerRequest (string page, string query, TextWriter output)
  66                 {
  67                         this.page = page;
  68                         this.query = query;
  69                         this.output = output;
  70
  71                         app_virtual_dir = HttpRuntime.AppDomainAppVirtualPath;
  72                         app_physical_dir = HttpRuntime.AppDomainAppPath;
  73                         hosted = true;
  74                 }
  75
  76                 //
  77                 // Creates a SimpleWorkerRequest that can be used from any AppDomain
  78                 //
  79                 // This is used for user instantiates HttpContext (my_SimpleWorkerRequest)
  80                 //
  81                 [SecurityPermission (SecurityAction.Demand, UnmanagedCode = true)]
  82                 public SimpleWorkerRequest (string appVirtualDir, string appPhysicalDir, string page, string query, TextWriter output)
  83                 {
  84                         this.page = page;
  85                         this.query = query;
  86                         this.output = output;
  87                         app_virtual_dir = appVirtualDir;
  88                         app_physical_dir = appPhysicalDir;
  89                 }
  90
  91
  92                 public override string MachineConfigPath {
  93                         get {
  94                                 if (hosted) {
  95                                         string path = ICalls.GetMachineConfigPath ();
  96                                         if (SecurityManager.SecurityEnabled && (path != null) && (path.Length > 0)) {
  97                                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, path).Demand ();
  98                                         }
  99                                         return path;
 100                                 }
 101                                 return null;
 102                         }
 103                 }
 104
 105                 public override string MachineInstallDirectory {
 106                         get {
 107                                 if (hosted) {
 108                                         string path = ICalls.GetMachineInstallDirectory ();
 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 #if NET_2_0
 118                 public override string RootWebConfigPath {
 119                         get { return WebConfigurationManager.OpenWebConfiguration ("~").FilePath; }
 120                 }
 121 #endif
 122
 123                 public override void EndOfRequest ()
 124                 {
 125                 }
 126
 127                 public override void FlushResponse (bool finalFlush)
 128                 {
 129                 }
 130
 131                 public override string GetAppPath ()
 132                 {
 133                         return app_virtual_dir;
 134                 }
 135
 136                 public override string GetAppPathTranslated ()
 137                 {
 138                         if (SecurityManager.SecurityEnabled && (app_physical_dir != null) && (app_physical_dir.Length > 0)) {
 139                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, app_physical_dir).Demand ();
 140                         }
 141                         return app_physical_dir;
 142                 }
 143
 144                 public override string GetFilePath ()
 145                 {
 146                         return Path.Combine (app_virtual_dir, page);
 147                 }
 148
 149                 public override string GetFilePathTranslated ()
 150                 {
 151                         string local_page;
 152
 153                         if (Path.DirectorySeparatorChar == '\\')
 154                                 local_page = page.Replace ('/', '\\');
 155                         else
 156                                 local_page = page;
 157
 158                         string path = Path.Combine (app_physical_dir, local_page);
 159                         if (SecurityManager.SecurityEnabled && (path != null) && (path.Length > 0)) {
 160                                 new FileIOPermission (FileIOPermissionAccess.PathDiscovery, path).Demand ();
 161                         }
 162                         return path;
 163                 }
 164
 165                 public override string GetHttpVerbName ()
 166                 {
 167                         return "GET";
 168                 }
 169
 170                 public override string GetHttpVersion ()
 171                 {
 172                         return "HTTP/1.0";
 173                 }
 174
 175                 public override string GetLocalAddress ()
 176                 {
 177                         return "127.0.0.1";
 178                 }
 179
 180                 public override int GetLocalPort ()
 181                 {
 182                         return 80;
 183                 }
 184
 185                 public override string GetPathInfo ()
 186                 {
 187                         if (path_info == null) {
 188                                 int idx = page.IndexOf ('/');
 189                                 if (idx >= 0) {
 190                                         path_info = page.Substring (idx);
 191                                 } else {
 192                                         path_info = "";
 193                                 }
 194                         }
 195                         return path_info;
 196                 }
 197
 198                 public override string GetQueryString ()
 199                 {
 200                         return query;
 201                 }
 202
 203                 public override string GetRawUrl ()
 204                 {
 205                         if (raw_url == null){
 206                                 string q = ((query == null || query == "") ? "" : "?" + query);
 207
 208                                 raw_url = Path.Combine (app_virtual_dir, page) + q;
 209                         }
 210                         return raw_url;
 211                 }
 212
 213                 public override string GetRemoteAddress ()
 214                 {
 215                         return "127.0.0.1";
 216                 }
 217
 218                 public override int GetRemotePort ()
 219                 {
 220                         return 0;
 221                 }
 222
 223                 public override string GetServerVariable (string name)
 224                 {
 225                         return "";
 226                 }
 227
 228                 public override string GetUriPath ()
 229                 {
 230                         if (app_virtual_dir == "/")
 231                                 return app_virtual_dir +  page;
 232                         return app_virtual_dir + "/" + page;
 233                 }
 234
 235                 public override IntPtr GetUserToken ()
 236                 {
 237                         return IntPtr.Zero;
 238                 }
 239
 240                 public override string MapPath (string path)
 241                 {
 242                         if (!hosted)
 243                                 return null;
 244
 245                         if (!path.StartsWith (app_virtual_dir))
 246                                 throw new ArgumentNullException ("path is not rooted in the virtual directory");
 247
 248                         string rest = path.Substring (app_virtual_dir.Length);
 249                         if (rest.Length > 0 && rest [0] == '/')
 250                                 rest = rest.Substring (1);
 251                         return Path.Combine (app_physical_dir, rest);
 252                 }
 253
 254                 public override void SendKnownResponseHeader (int index, string value)
 255                 {
 256                 }
 257
 258                 public override void SendResponseFromFile (IntPtr handle, long offset, long length)
 259                 {
 260                 }
 261
 262                 public override void SendResponseFromFile (string filename, long offset, long length)
 263                 {
 264                 }
 265
 266                 public override void SendResponseFromMemory (byte [] data, int length)
 267                 {
 268                         output.Write (System.Text.Encoding.Default.GetChars (data, 0, length));
 269                 }
 270
 271
 272                 public override void SendStatus (int statusCode, string statusDescription)
 273                 {
 274                 }
 275
 276                 public override void SendUnknownResponseHeader (string name, string value)
 277                 {
 278                 }
 279         }
 280 }