mcs/class/System.Web/System.Web.Configuration_2.0/WebConfigurationManager.cs

   1 //
   2 // System.Web.Configuration.WebConfigurationManager.cs
   3 //
   4 // Authors:
   5 //      Lluis Sanchez Gual (lluis@novell.com)
   6 //      Chris Toshok (toshok@ximian.com)
   7 //
   8 // Permission is hereby granted, free of charge, to any person obtaining
   9 // a copy of this software and associated documentation files (the
  10 // "Software"), to deal in the Software without restriction, including
  11 // without limitation the rights to use, copy, modify, merge, publish,
  12 // distribute, sublicense, and/or sell copies of the Software, and to
  13 // permit persons to whom the Software is furnished to do so, subject to
  14 // the following conditions:
  15 //
  16 // The above copyright notice and this permission notice shall be
  17 // included in all copies or substantial portions of the Software.
  18 //
  19 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  20 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  21 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  22 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  23 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  24 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  25 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  26 //
  27 // Copyright (C) 2005 Novell, Inc (http://www.novell.com)
  28 //
  29
  30 #if NET_2_0
  31
  32 using System;
  33 using System.IO;
  34 using System.Collections;
  35 using System.Collections.Specialized;
  36 using System.Reflection;
  37 using System.Xml;
  38 using System.Configuration;
  39 using System.Configuration.Internal;
  40 using _Configuration = System.Configuration.Configuration;
  41
  42 namespace System.Web.Configuration {
  43
  44         public static class WebConfigurationManager
  45         {
  46 #if !TARGET_J2EE
  47                 static IInternalConfigConfigurationFactory configFactory;
  48                 static Hashtable configurations = new Hashtable ();
  49 #else
  50         static internal IInternalConfigConfigurationFactory configFactory
  51         {
  52             get{
  53                 IInternalConfigConfigurationFactory factory = (IInternalConfigConfigurationFactory)AppDomain.CurrentDomain.GetData("WebConfigurationManager.configFactory");
  54                 if (factory == null){
  55                     lock (AppDomain.CurrentDomain){
  56                         object initialized = AppDomain.CurrentDomain.GetData("WebConfigurationManager.configFactory.initialized");
  57                         if (initialized == null){
  58                             PropertyInfo prop = typeof(ConfigurationManager).GetProperty("ConfigurationFactory", BindingFlags.Static | BindingFlags.NonPublic);
  59                             if (prop != null){
  60                                 factory = prop.GetValue(null, null) as IInternalConfigConfigurationFactory;
  61                                 configFactory = factory;
  62                             }
  63                         }
  64                     }
  65                 }
  66                 return factory != null ? factory : configFactory;
  67             }
  68             set{
  69                 AppDomain.CurrentDomain.SetData("WebConfigurationManager.configFactory", value);
  70                 AppDomain.CurrentDomain.SetData("WebConfigurationManager.configFactory.initialized", true);
  71             }
  72         }
  73
  74         static internal Hashtable configurations
  75         {
  76             get{
  77                 Hashtable table = (Hashtable)AppDomain.CurrentDomain.GetData("WebConfigurationManager.configurations");
  78                 if (table == null){
  79                     lock (AppDomain.CurrentDomain){
  80                         object initialized = AppDomain.CurrentDomain.GetData("WebConfigurationManager.configurations.initialized");
  81                         if (initialized == null){
  82                             table = new Hashtable();
  83                             configurations = table;
  84                         }
  85                     }
  86                 }
  87                 return table != null ? table : configurations;
  88
  89             }
  90             set{
  91                 AppDomain.CurrentDomain.SetData("WebConfigurationManager.configurations", value);
  92                 AppDomain.CurrentDomain.SetData("WebConfigurationManager.configurations.initialized", true);
  93             }
  94         }
  95 #endif
  96
  97                 static WebConfigurationManager ()
  98                 {
  99                         PropertyInfo prop = typeof(ConfigurationManager).GetProperty ("ConfigurationFactory", BindingFlags.Static | BindingFlags.NonPublic);
 100                         if (prop != null)
 101                                 configFactory = prop.GetValue (null, null) as IInternalConfigConfigurationFactory;
 102                 }
 103
 104                 public static _Configuration OpenMachineConfiguration ()
 105                 {
 106                         return ConfigurationManager.OpenMachineConfiguration ();
 107                 }
 108
 109                 [MonoTODO ("need to handle locationSubPath")]
 110                 public static _Configuration OpenMachineConfiguration (string locationSubPath)
 111                 {
 112                         return OpenMachineConfiguration ();
 113                 }
 114
 115                 [MonoTODO]
 116                 public static _Configuration OpenMachineConfiguration (string locationSubPath,
 117                                                                        string server)
 118                 {
 119                         if (server == null)
 120                                 return OpenMachineConfiguration (locationSubPath);
 121
 122                         throw new NotSupportedException ("Mono doesn't support remote configuration");
 123                 }
 124
 125                 [MonoTODO]
 126                 public static _Configuration OpenMachineConfiguration (string locationSubPath,
 127                                                                        string server,
 128                                                                        IntPtr userToken)
 129                 {
 130                         if (server == null)
 131                                 return OpenMachineConfiguration (locationSubPath);
 132                         throw new NotSupportedException ("Mono doesn't support remote configuration");
 133                 }
 134
 135                 [MonoTODO]
 136                 public static _Configuration OpenMachineConfiguration (string locationSubPath,
 137                                                                        string server,
 138                                                                        string userName,
 139                                                                        string password)
 140                 {
 141                         if (server == null)
 142                                 return OpenMachineConfiguration (locationSubPath);
 143                         throw new NotSupportedException ("Mono doesn't support remote configuration");
 144                 }
 145
 146                 public static _Configuration OpenWebConfiguration (string path)
 147                 {
 148                         return OpenWebConfiguration (path, null, null, null, null, null);
 149                 }
 150
 151                 public static _Configuration OpenWebConfiguration (string path, string site)
 152                 {
 153                         return OpenWebConfiguration (path, site, null, null, null, null);
 154                 }
 155
 156                 public static _Configuration OpenWebConfiguration (string path, string site, string locationSubPath)
 157                 {
 158                         return OpenWebConfiguration (path, site, locationSubPath, null, null, null);
 159                 }
 160
 161                 [MonoTODO]
 162                 public static _Configuration OpenWebConfiguration (string path, string site, string locationSubPath, string server)
 163                 {
 164                         throw new NotImplementedException ();
 165                 }
 166
 167                 public static _Configuration OpenWebConfiguration (string path, string site, string locationSubPath, string server, IntPtr userToken)
 168                 {
 169                         return OpenWebConfiguration (path, site, locationSubPath, server, null, null);
 170                 }
 171
 172                 [MonoTODO]
 173                 public static _Configuration OpenWebConfiguration (string path, string site, string locationSubPath, string server, string userName, string password)
 174                 {
 175                         if (path == null)
 176                                 path = "";
 177
 178                         string basePath = GetBasePath (path);
 179                         _Configuration conf;
 180
 181
 182                         lock (configurations) {
 183                                 conf = (_Configuration) configurations [basePath];
 184                                 if (conf == null) {
 185                                         conf = ConfigurationFactory.Create (typeof(WebConfigurationHost), null, basePath, site, locationSubPath, server, userName, password);
 186                                         configurations [basePath] = conf;
 187                                 }
 188                         }
 189                         if (basePath.Length < path.Length) {
 190
 191                                 // If the path has a file name, look for a location specific configuration
 192
 193                                 int dif = path.Length - basePath.Length;
 194                                 string file = path.Substring (path.Length - dif);
 195                                 int i=0;
 196                                 while (i < file.Length && file [i] == '/')
 197                                         i++;
 198                                 if (i != 0)
 199                                         file = file.Substring (i);
 200
 201                                 if (file.Length != 0) {
 202                                         foreach (ConfigurationLocation loc in conf.Locations) {
 203                                                 if (loc.Path == file)
 204                                                         return loc.OpenConfiguration ();
 205                                         }
 206                                 }
 207                         }
 208                         return conf;
 209                 }
 210
 211                 public static _Configuration OpenMappedWebConfiguration (WebConfigurationFileMap fileMap, string path)
 212                 {
 213                         return ConfigurationFactory.Create (typeof(WebConfigurationHost), fileMap, path);
 214                 }
 215
 216                 [MonoTODO ("Do something with the extra parameters")]
 217                 public static _Configuration OpenMappedWebConfiguration (WebConfigurationFileMap fileMap, string path, string site)
 218                 {
 219                         return ConfigurationFactory.Create (typeof(WebConfigurationHost), fileMap, path, site);
 220                 }
 221
 222                 [MonoTODO ("Do something with the extra parameters")]
 223                 public static _Configuration OpenMappedWebConfiguration (WebConfigurationFileMap fileMap, string path, string site, string locationSubPath)
 224                 {
 225                         return ConfigurationFactory.Create (typeof(WebConfigurationHost), fileMap, path, site, locationSubPath);
 226                 }
 227
 228                 public static _Configuration OpenMappedMachineConfiguration (ConfigurationFileMap fileMap)
 229                 {
 230                         return ConfigurationFactory.Create (typeof(WebConfigurationHost), fileMap);
 231                 }
 232
 233                 [MonoTODO ("need to handle locationSubPath")]
 234                 public static _Configuration OpenMappedMachineConfiguration (ConfigurationFileMap fileMap,
 235                                                                              string locationSubPath)
 236                 {
 237                         return OpenMappedMachineConfiguration (fileMap);
 238                 }
 239
 240                 public static object GetSection (string sectionName)
 241                 {
 242                         _Configuration c;
 243                         if (HttpContext.Current != null
 244                             && HttpContext.Current.Request != null)
 245                                 c = OpenWebConfiguration (HttpContext.Current.Request.Path);
 246                         else
 247                                 c = OpenWebConfiguration (HttpRuntime.AppDomainAppVirtualPath);
 248
 249                         if (c == null)
 250                                 return null;
 251                         else
 252                                 return c.GetSection (sectionName);
 253                 }
 254
 255                 [MonoTODO]
 256                 public static object GetSection (string sectionName, string path)
 257                 {
 258                         try {
 259                                 _Configuration c = OpenWebConfiguration (path);
 260                                 return c.GetSection (sectionName);
 261                         }
 262                         catch {
 263                                 return null;
 264                         }
 265                 }
 266
 267                 static _Configuration GetWebApplicationConfiguration ()
 268                 {
 269                         _Configuration config;
 270
 271                         if (HttpContext.Current == null
 272                             || HttpContext.Current.Request == null
 273                             || HttpContext.Current.Request.ApplicationPath == null
 274                             || HttpContext.Current.Request.ApplicationPath == "") {
 275                                 config = OpenWebConfiguration ("");
 276                         }
 277                         else {
 278                                 config = OpenWebConfiguration (HttpContext.Current.Request.ApplicationPath);
 279                         }
 280
 281                         return config;
 282                 }
 283
 284                 static MethodInfo get_runtime_object = typeof (ConfigurationSection).GetMethod ("GetRuntimeObject", BindingFlags.NonPublic | BindingFlags.Instance);
 285
 286                 [MonoTODO]
 287                 public static object GetWebApplicationSection (string sectionName)
 288                 {
 289                         _Configuration config = GetWebApplicationConfiguration ();
 290                         if (config == null)
 291                                 return null;
 292
 293                         ConfigurationSection section = config.GetSection (sectionName);
 294                         if (section == null)
 295                                 return null;
 296
 297                         return get_runtime_object.Invoke (section, new object [0]);
 298                 }
 299
 300                 public static NameValueCollection AppSettings {
 301                         get { return ConfigurationManager.AppSettings; }
 302                 }
 303
 304                 public static ConnectionStringSettingsCollection ConnectionStrings {
 305                         get { return ConfigurationManager.ConnectionStrings; }
 306                 }
 307
 308                 internal static IInternalConfigConfigurationFactory ConfigurationFactory {
 309                         get { return configFactory; }
 310                 }
 311
 312                 static string GetBasePath (string path)
 313                 {
 314                         if (path == "/" || path == "")
 315                                 return path;
 316
 317                         /* first if we can, map it to a physical path
 318                          * to see if it corresponds to a file */
 319                         if (HttpContext.Current != null
 320                             && HttpContext.Current.Request != null) {
 321                                 string pd = HttpContext.Current.Request.MapPath (path);
 322
 323                                 if (!Directory.Exists (pd)) {
 324                                         /* if it does, remove the file from the url */
 325                                         int i = path.LastIndexOf ('/');
 326                                         path = path.Substring (0, i);
 327                                 }
 328                         }
 329
 330                         if (path.Length == 0)
 331                                 return path;
 332
 333                         /* remove excess /'s from the end of the virtual path */
 334                         while (path [path.Length - 1] == '/')
 335                                 path = path.Substring (0, path.Length - 1);
 336
 337                         return path;
 338                 }
 339
 340
 341 #region stuff copied from WebConfigurationSettings
 342 #if TARGET_J2EE
 343                 static internal IConfigurationSystem oldConfig {
 344                         get {
 345                                 return (IConfigurationSystem)AppDomain.CurrentDomain.GetData("WebConfigurationManager.oldConfig");
 346                         }
 347                         set {
 348                                 AppDomain.CurrentDomain.SetData("WebConfigurationManager.oldConfig", value);
 349                         }
 350                 }
 351
 352                 static private Web20DefaultConfig config {
 353                         get {
 354                                 return (Web20DefaultConfig) AppDomain.CurrentDomain.GetData ("Web20DefaultConfig.config");
 355                         }
 356                         set {
 357                                 AppDomain.CurrentDomain.SetData ("Web20DefaultConfig.config", value);
 358                         }
 359                 }
 360
 361                 static private IInternalConfigSystem configSystem {
 362                         get {
 363                                 return (IInternalConfigSystem) AppDomain.CurrentDomain.GetData ("IInternalConfigSystem.configSystem");
 364                         }
 365                         set {
 366                                 AppDomain.CurrentDomain.SetData ("IInternalConfigSystem.configSystem", value);
 367                         }
 368                 }
 369 #else
 370                 static internal IConfigurationSystem oldConfig;
 371                 static Web20DefaultConfig config;
 372                 static IInternalConfigSystem configSystem;
 373 #endif
 374                 const BindingFlags privStatic = BindingFlags.NonPublic | BindingFlags.Static;
 375                 static readonly object lockobj = new object ();
 376
 377                 internal static void Init ()
 378                 {
 379                         lock (lockobj) {
 380                                 if (config != null)
 381                                         return;
 382
 383                                 /* deal with the ConfigurationSettings stuff */
 384                                 {
 385                                         Web20DefaultConfig settings = Web20DefaultConfig.GetInstance ();
 386                                         Type t = typeof (ConfigurationSettings);
 387                                         MethodInfo changeConfig = t.GetMethod ("ChangeConfigurationSystem",
 388                                                                                privStatic);
 389
 390                                         if (changeConfig == null)
 391                                                 throw new ConfigurationException ("Cannot find method CCS");
 392
 393                                         object [] args = new object [] {settings};
 394                                         oldConfig = (IConfigurationSystem)changeConfig.Invoke (null, args);
 395                                         config = settings;
 396
 397                                         config.Init ();
 398                                 }
 399
 400                                 /* deal with the ConfigurationManager stuff */
 401                                 {
 402                                         HttpConfigurationSystem system = new HttpConfigurationSystem ();
 403                                         Type t = typeof (ConfigurationManager);
 404                                         MethodInfo changeConfig = t.GetMethod ("ChangeConfigurationSystem",
 405                                                                                privStatic);
 406
 407                                         if (changeConfig == null)
 408                                                 throw new ConfigurationException ("Cannot find method CCS");
 409
 410                                         object [] args = new object [] {system};
 411                                         changeConfig.Invoke (null, args);
 412                                         configSystem = system;
 413                                 }
 414                         }
 415                 }
 416         }
 417
 418         class Web20DefaultConfig : IConfigurationSystem
 419         {
 420 #if TARGET_J2EE
 421                 static private Web20DefaultConfig instance {
 422                         get {
 423                                 Web20DefaultConfig val = (Web20DefaultConfig)AppDomain.CurrentDomain.GetData("Web20DefaultConfig.instance");
 424                                 if (val == null) {
 425                                         val = new Web20DefaultConfig();
 426                                         AppDomain.CurrentDomain.SetData("Web20DefaultConfig.instance", val);
 427                                 }
 428                                 return val;
 429                         }
 430                         set {
 431                                 AppDomain.CurrentDomain.SetData("Web20DefaultConfig.instance", value);
 432                         }
 433                 }
 434 #else
 435                 static Web20DefaultConfig instance;
 436 #endif
 437
 438                 static Web20DefaultConfig ()
 439                 {
 440                         instance = new Web20DefaultConfig ();
 441                 }
 442
 443                 public static Web20DefaultConfig GetInstance ()
 444                 {
 445                         return instance;
 446                 }
 447
 448                 public object GetConfig (string sectionName)
 449                 {
 450                         object o = WebConfigurationManager.GetWebApplicationSection (sectionName);
 451
 452                         if (o == null || o is IgnoreSection) {
 453                                 /* this can happen when the section
 454                                  * handler doesn't subclass from
 455                                  * ConfigurationSection.  let's be
 456                                  * nice and try to load it using the
 457                                  * 1.x style routines in case there's
 458                                  * a 1.x section handler registered
 459                                  * for it.
 460                                  */
 461                                 object o1 = WebConfigurationManager.oldConfig.GetConfig (sectionName);
 462                                 if (o1 != null)
 463                                         return o1;
 464                         }
 465
 466                         return o;
 467                 }
 468
 469                 public void Init ()
 470                 {
 471                         // nothing. We need a context.
 472                 }
 473         }
 474
 475 #endregion
 476 }
 477
 478 #endif