mcs/class/System/System.Configuration/CustomizableFileSettingsProvider.cs

   1 //
   2 // CustomizableFileSettingsProvider.cs
   3 //
   4 // Authors:
   5 //      Noriaki Okimoto  <seara@ojk.sppd.ne.jp>
   6 //      Atsushi Enomoto  <atsushi@ximian.com>
   7 //
   8 // (C)2007 Noriaki Okimoto
   9 //
  10 // Permission is hereby granted, free of charge, to any person obtaining
  11 // a copy of this software and associated documentation files (the
  12 // "Software"), to deal in the Software without restriction, including
  13 // without limitation the rights to use, copy, modify, merge, publish,
  14 // distribute, sublicense, and/or sell copies of the Software, and to
  15 // permit persons to whom the Software is furnished to do so, subject to
  16 // the following conditions:
  17 //
  18 // The above copyright notice and this permission notice shall be
  19 // included in all copies or substantial portions of the Software.
  20 //
  21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
  25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
  26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
  27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  28 //
  29
  30 #if CONFIGURATION_DEP
  31
  32 #if !TARGET_JVM
  33 extern alias PrebuiltSystem;
  34 #endif
  35
  36 using System;
  37 using System.Collections;
  38 using System.Collections.Generic;
  39 using System.Configuration;
  40 using System.Globalization;
  41 using System.IO;
  42 using System.Reflection;
  43 using System.Security.Cryptography;
  44 using System.Text;
  45 using System.Xml;
  46
  47 #if TARGET_JVM
  48 using NameValueCollection = System.Collections.Specialized.NameValueCollection;
  49 #else
  50 using NameValueCollection = PrebuiltSystem.System.Collections.Specialized.NameValueCollection;
  51 #endif
  52
  53 namespace System.Configuration
  54 {
  55         // location to store user configuration settings.
  56         internal enum UserConfigLocationOption : uint
  57         {
  58                 Product = 0x20,
  59                 Product_VersionMajor = 0x21,
  60                 Product_VersionMinor = 0x22,
  61                 Product_VersionBuild = 0x24,
  62                 Product_VersionRevision = 0x28,
  63                 Company_Product = 0x30,
  64                 Company_Product_VersionMajor = 0x31,
  65                 Company_Product_VersionMinor = 0x32,
  66                 Company_Product_VersionBuild = 0x34,
  67                 Company_Product_VersionRevision = 0x38,
  68                 Evidence = 0x40,
  69                 Other = 0x8000
  70         }
  71
  72         internal class CustomizableFileSettingsProvider : SettingsProvider, IApplicationSettingsProvider
  73         {
  74                 // KLUDGE WARNING.
  75                 //
  76                 // This is used from within System.Web to allow mapping of the ExeConfigFilename to
  77                 // the correct Web.config for the current request. Otherwise web applications will
  78                 // not be able to access settings from Web.config. The type assigned to this
  79                 // variable must descend from the ConfigurationFileMap class and its
  80                 // MachineConfigFilename will be used to set the ExeConfigFilename.
  81                 //
  82                 // This is necessary to fix bug #491531
  83 #pragma warning disable 649
  84                 private static Type webConfigurationFileMapType;
  85 #pragma warning restore 649
  86
  87                 private static string userRoamingPath = "";
  88                 private static string userLocalPath = "";
  89                 private static string userRoamingPathPrevVersion = "";
  90                 private static string userLocalPathPrevVersion = "";
  91                 private static string userRoamingName = "user.config";
  92                 private static string userLocalName = "user.config";
  93                 private static string userRoamingBasePath = "";
  94                 private static string userLocalBasePath = "";
  95                 private static string CompanyName = "";
  96                 private static string ProductName = "";
  97                 private static string ForceVersion = "";
  98                 private static string[] ProductVersion;
  99
 100                 // whether to include parts in the folder name or not:
 101                 private static bool isVersionMajor = false;     // 0x0001       major version
 102                 private static bool isVersionMinor = false;     // 0x0002       minor version
 103                 private static bool isVersionBuild = false;     // 0x0004       build version
 104                 private static bool isVersionRevision = false;  // 0x0008       revision
 105                 private static bool isCompany = true;           // 0x0010       corporate name
 106                 private static bool isProduct = true;           // 0x0020       product name
 107                 private static bool isEvidence = false;         // 0x0040       evidence hash
 108
 109                 private static bool userDefine = false;         // 0x8000       ignore all above and use user definition
 110
 111                 private static UserConfigLocationOption userConfig = UserConfigLocationOption.Company_Product;
 112
 113                 public override void Initialize (string name, NameValueCollection config)
 114                 {
 115                         base.Initialize (name, config);
 116                 }
 117
 118                 // full path to roaming user.config
 119                 internal static string UserRoamingFullPath {
 120                         get { return Path.Combine (userRoamingPath, userRoamingName); }
 121                 }
 122
 123                 // full path to local user.config
 124                 internal static string UserLocalFullPath {
 125                         get { return Path.Combine (userLocalPath, userLocalName); }
 126                 }
 127
 128                 // previous full path to roaming user.config
 129                 public static string PrevUserRoamingFullPath {
 130                         get { return Path.Combine (userRoamingPathPrevVersion, userRoamingName); }
 131                 }
 132
 133                 // previous full path to local user.config
 134                 public static string PrevUserLocalFullPath {
 135                         get { return Path.Combine (userLocalPathPrevVersion, userLocalName); }
 136                 }
 137
 138                 // path to roaming user.config
 139                 public static string UserRoamingPath {
 140                         get { return userRoamingPath; }
 141                 }
 142
 143                 // path to local user.config
 144                 public static string UserLocalPath {
 145                         get { return userLocalPath; }
 146                 }
 147
 148                 // file name which is equivalent to user.config, for roaming user
 149                 public static string UserRoamingName {
 150                         get { return userRoamingName; }
 151                 }
 152
 153                 // file name which is equivalent to user.config, for local user
 154                 public static string UserLocalName {
 155                         get { return userLocalName; }
 156                 }
 157
 158                 public static UserConfigLocationOption UserConfigSelector
 159                 {
 160                         get { return userConfig; }
 161                         set {
 162                                 userConfig = value;
 163
 164                                 if (((uint) userConfig & 0x8000) != 0) {
 165                                         isVersionMajor = false;
 166                                         isVersionMinor = false;
 167                                         isVersionBuild = false;
 168                                         isVersionRevision = false;
 169                                         isCompany = false;
 170                                         return;
 171                                 }
 172
 173                                 isVersionRevision = ((uint) userConfig & 0x0008) != 0;
 174                                 isVersionBuild = isVersionRevision | ((uint)userConfig & 0x0004) != 0;
 175                                 isVersionMinor = isVersionBuild | ((uint)userConfig & 0x0002) != 0;
 176                                 isVersionMajor = IsVersionMinor | ((uint)userConfig & 0x0001) != 0;
 177
 178                                 isCompany = ((uint) userConfig & 0x0010) != 0;
 179                                 isProduct = ((uint) userConfig & 0x0020) != 0;
 180                         }
 181                 }
 182
 183                 // whether the path to include the major version.
 184                 public static bool IsVersionMajor
 185                 {
 186                         get { return isVersionMajor; }
 187                         set
 188                         {
 189                                 isVersionMajor = value;
 190                                 isVersionMinor = false;
 191                                 isVersionBuild = false;
 192                                 isVersionRevision = false;
 193                         }
 194                 }
 195
 196                 // whether the path to include minor version.
 197                 public static bool IsVersionMinor
 198                 {
 199                         get { return isVersionMinor; }
 200                         set
 201                         {
 202                                 isVersionMinor = value;
 203                                 if (isVersionMinor)
 204                                         isVersionMajor = true;
 205                                 isVersionBuild = false;
 206                                 isVersionRevision = false;
 207                         }
 208                 }
 209
 210                 // whether the path to include build version.
 211                 public static bool IsVersionBuild
 212                 {
 213                         get { return isVersionBuild; }
 214                         set
 215                         {
 216                                 isVersionBuild = value;
 217                                 if (isVersionBuild) {
 218                                         isVersionMajor = true;
 219                                         isVersionMinor = true;
 220                                 }
 221                                 isVersionRevision = false;
 222                         }
 223                 }
 224
 225                 // whether the path to include revision.
 226                 public static bool IsVersionRevision
 227                 {
 228                         get { return isVersionRevision; }
 229                         set
 230                         {
 231                                 isVersionRevision = value;
 232                                 if (isVersionRevision) {
 233                                         isVersionMajor = true;
 234                                         isVersionMinor = true;
 235                                         isVersionBuild = true;
 236                                 }
 237                         }
 238                 }
 239
 240                 // whether the path to include company name.
 241                 public static bool IsCompany
 242                 {
 243                         get { return isCompany; }
 244                         set { isCompany = value; }
 245                 }
 246
 247                 // whether the path to include evidence hash.
 248                 public static bool IsEvidence
 249                 {
 250                         get { return isEvidence; }
 251                         set { isEvidence = value; }
 252                 }
 253
 254                 // AssemblyCompanyAttribute->Namespace->"Program"
 255                 private static string GetCompanyName ()
 256                 {
 257                         Assembly assembly = Assembly.GetEntryAssembly ();
 258                         if (assembly == null)
 259                                 assembly = Assembly.GetCallingAssembly ();
 260
 261                         AssemblyCompanyAttribute [] attrs = (AssemblyCompanyAttribute []) assembly.GetCustomAttributes (typeof (AssemblyCompanyAttribute), true);
 262
 263                         if ((attrs != null) && attrs.Length > 0) {
 264                                 return attrs [0].Company;
 265                         }
 266
 267 #if !TARGET_JVM
 268                         MethodInfo entryPoint = assembly.EntryPoint;
 269                         Type entryType = entryPoint != null ? entryPoint.DeclaringType : null;
 270                         if (entryType != null && !String.IsNullOrEmpty (entryType.Namespace)) {
 271                                 int end = entryType.Namespace.IndexOf ('.');
 272                                 return end < 0 ? entryType.Namespace : entryType.Namespace.Substring (0, end);
 273                         }
 274                         return "Program";
 275 #else
 276                         return assembly.GetName ().Name;
 277 #endif
 278                 }
 279
 280                 private static string GetProductName ()
 281                 {
 282                         Assembly assembly = Assembly.GetEntryAssembly ();
 283                         if (assembly == null)
 284                                 assembly = Assembly.GetCallingAssembly ();
 285
 286 #if !TARGET_JVM
 287                         byte [] pkt = assembly.GetName ().GetPublicKeyToken ();
 288                         return String.Format ("{0}_{1}_{2}",
 289                                 AppDomain.CurrentDomain.FriendlyName,
 290                                 pkt != null && pkt.Length > 0 ? "StrongName" : "Url",
 291                                 GetEvidenceHash());
 292 #else // AssemblyProductAttribute-based code
 293                         AssemblyProductAttribute [] attrs = (AssemblyProductAttribute[]) assembly.GetCustomAttributes (typeof (AssemblyProductAttribute), true);
 294
 295                         if ((attrs != null) && attrs.Length > 0) {
 296                                 return attrs [0].Product;
 297                         }
 298                         return assembly.GetName ().Name;
 299 #endif
 300                 }
 301
 302                 // Note: Changed from base64() to hex output to avoid unexpected chars like '\' or '/' with filesystem meaning.
 303                 //       Otherwise eventually filenames, which are invalid on linux or windows, might be created.
 304                 // Signed-off-by:  Carsten Schlote <schlote@vahanus.net>
 305                 // TODO: Compare with .NET. It might be also, that their way isn't suitable for Unix OS derivates (slahes in output)
 306                 private static string GetEvidenceHash ()
 307                 {
 308                         Assembly assembly = Assembly.GetEntryAssembly ();
 309                         if (assembly == null)
 310                                 assembly = Assembly.GetCallingAssembly ();
 311
 312                         byte [] pkt = assembly.GetName ().GetPublicKeyToken ();
 313                         byte [] hash = SHA1.Create ().ComputeHash (pkt != null && pkt.Length >0 ? pkt : Encoding.UTF8.GetBytes (assembly.EscapedCodeBase));
 314                         System.Text.StringBuilder evidence_string = new System.Text.StringBuilder();
 315                         foreach (byte b in hash)
 316                                 evidence_string.AppendFormat("{0:x2}",b);
 317                         return evidence_string.ToString ();
 318                 }
 319
 320                 private static string GetProductVersion ()
 321                 {
 322                         Assembly assembly = Assembly.GetEntryAssembly ();
 323                         if (assembly == null)
 324                                 assembly = Assembly.GetCallingAssembly ();
 325                         if (assembly == null)
 326                                 return string.Empty;
 327
 328                         return assembly.GetName ().Version.ToString ();
 329                 }
 330
 331                 private static void CreateUserConfigPath ()
 332                 {
 333                         if (userDefine)
 334                                 return;
 335
 336                         if (ProductName == "")
 337                                 ProductName = GetProductName ();
 338                         if (CompanyName == "")
 339                                 CompanyName = GetCompanyName ();
 340                         if (ForceVersion == "")
 341                                 ProductVersion = GetProductVersion ().Split('.');
 342
 343                         // C:\Documents and Settings\(user)\Application Data
 344 #if !TARGET_JVM
 345                         if (userRoamingBasePath == "")
 346                                 userRoamingPath = Environment.GetFolderPath (Environment.SpecialFolder.ApplicationData);
 347                         else
 348 #endif
 349                                 userRoamingPath = userRoamingBasePath;
 350
 351                         // C:\Documents and Settings\(user)\Local Settings\Application Data (on Windows)
 352 #if !TARGET_JVM
 353                         if (userLocalBasePath == "")
 354                                 userLocalPath = Environment.GetFolderPath (Environment.SpecialFolder.LocalApplicationData);
 355                         else
 356 #endif
 357                                 userLocalPath = userLocalBasePath;
 358
 359                         if (isCompany) {
 360                                 userRoamingPath = Path.Combine (userRoamingPath, CompanyName);
 361                                 userLocalPath = Path.Combine (userLocalPath, CompanyName);
 362                         }
 363
 364                         if (isProduct) {
 365                                 if (isEvidence) {
 366                                         Assembly assembly = Assembly.GetEntryAssembly ();
 367                                         if (assembly == null)
 368                                                 assembly = Assembly.GetCallingAssembly ();
 369 #if !TARGET_JVM
 370                                         byte [] pkt = assembly.GetName ().GetPublicKeyToken ();
 371                                         ProductName = String.Format ("{0}_{1}_{2}",
 372                                                 ProductName,
 373                                                 pkt != null ? "StrongName" : "Url",
 374                                                 GetEvidenceHash());
 375 #endif
 376                                 }
 377                                 userRoamingPath = Path.Combine (userRoamingPath, ProductName);
 378                                 userLocalPath = Path.Combine (userLocalPath, ProductName);
 379
 380                         }
 381
 382                         string versionName;
 383
 384                         if (ForceVersion == "") {
 385                                 if (isVersionRevision)
 386                                         versionName = String.Format ("{0}.{1}.{2}.{3}", ProductVersion [0], ProductVersion [1], ProductVersion [2], ProductVersion [3]);
 387                                 else if (isVersionBuild)
 388                                         versionName = String.Format ("{0}.{1}.{2}", ProductVersion [0], ProductVersion [1], ProductVersion [2]);
 389                                 else if (isVersionMinor)
 390                                         versionName = String.Format ("{0}.{1}", ProductVersion [0], ProductVersion [1]);
 391                                 else if (isVersionMajor)
 392                                         versionName = ProductVersion [0];
 393                                 else
 394                                         versionName = "";
 395                         }
 396                         else
 397                                 versionName = ForceVersion;
 398
 399                         string prevVersionRoaming = PrevVersionPath (userRoamingPath, versionName);
 400                         string prevVersionLocal = PrevVersionPath (userLocalPath, versionName);
 401
 402                         userRoamingPath = Path.Combine (userRoamingPath, versionName);
 403                         userLocalPath = Path.Combine (userLocalPath, versionName);
 404                         if (prevVersionRoaming != "")
 405                                 userRoamingPathPrevVersion = Path.Combine(userRoamingPath, prevVersionRoaming);
 406                         if (prevVersionLocal != "")
 407                                 userLocalPathPrevVersion = Path.Combine(userLocalPath, prevVersionLocal);
 408                 }
 409
 410                 // string for the previous version. It ignores newer ones.
 411                 private static string PrevVersionPath (string dirName, string currentVersion)
 412                 {
 413                         string prevVersionString = "";
 414
 415                         if (!Directory.Exists(dirName))
 416                                 return prevVersionString;
 417                         DirectoryInfo currentDir = new DirectoryInfo (dirName);
 418                         foreach (DirectoryInfo dirInfo in currentDir.GetDirectories ())
 419                                 if (String.Compare (currentVersion, dirInfo.Name, StringComparison.Ordinal) > 0)
 420                                         if (String.Compare (prevVersionString, dirInfo.Name, StringComparison.Ordinal) < 0)
 421                                                 prevVersionString = dirInfo.Name;
 422
 423                         return prevVersionString;
 424                 }
 425
 426                 // sets the explicit path to store roaming user.config or equivalent.
 427                 // (returns the path validity.)
 428                 public static bool SetUserRoamingPath (string configPath)
 429                 {
 430                         if (CheckPath (configPath))
 431                         {
 432                                 userRoamingBasePath = configPath;
 433                                 return true;
 434                         }
 435                         else
 436                                 return false;
 437                 }
 438
 439                 // sets the explicit path to store local user.config or equivalent.
 440                 // (returns the path validity.)
 441                 public static bool SetUserLocalPath (string configPath)
 442                 {
 443                         if (CheckPath (configPath))
 444                         {
 445                                 userLocalBasePath = configPath;
 446                                 return true;
 447                         }
 448                         else
 449                                 return false;
 450                 }
 451
 452                 private static bool CheckFileName (string configFile)
 453                 {
 454                         /*
 455                         char[] invalidFileChars = Path.GetInvalidFileNameChars();
 456
 457                         foreach (char invalidChar in invalidFileChars)
 458                         {
 459                                 if (configFile.Contains(invalidChar.ToString()))
 460                                 {
 461                                         return false;
 462                                 }
 463                         }
 464                         return true;
 465                         */
 466                         return configFile.IndexOfAny (Path.GetInvalidFileNameChars ()) < 0;
 467                 }
 468
 469                 // sets the explicit roaming file name which is user.config equivalent.
 470                 // (returns the file name validity.)
 471                 public static bool SetUserRoamingFileName (string configFile)
 472                 {
 473                         if (CheckFileName (configFile))
 474                         {
 475                                 userRoamingName = configFile;
 476                                 return true;
 477                         }
 478                         else
 479                                 return false;
 480                 }
 481
 482                 // sets the explicit local file name which is user.config equivalent.
 483                 // (returns the file name validity.)
 484                 public static bool SetUserLocalFileName (string configFile)
 485                 {
 486                         if (CheckFileName (configFile))
 487                         {
 488                                 userLocalName = configFile;
 489                                 return true;
 490                         }
 491                         else
 492                                 return false;
 493                 }
 494
 495                 // sets the explicit company name for folder.
 496                 // (returns the file name validity.)
 497                 public static bool SetCompanyName (string companyName)
 498                 {
 499                         if (CheckFileName (companyName))
 500                         {
 501                                 CompanyName = companyName;
 502                                 return true;
 503                         }
 504                         else
 505                                 return false;
 506                 }
 507
 508                 // sets the explicit product name for folder.
 509                 // (returns the file name validity.)
 510                 public static bool SetProductName (string productName)
 511                 {
 512                         if (CheckFileName (productName))
 513                         {
 514                                 ProductName = productName;
 515                                 return true;
 516                         }
 517                         else
 518                                 return false;
 519                 }
 520
 521                 // sets the explicit major version for folder.
 522                 public static bool SetVersion (int major)
 523                 {
 524                         ForceVersion = string.Format ("{0}", major);
 525                         return true;
 526                 }
 527
 528                 // sets the explicit major and minor versions for folder.
 529                 public static bool SetVersion (int major, int minor)
 530                 {
 531                         ForceVersion = string.Format ("{0}.{1}", major, minor);
 532                         return true;
 533                 }
 534
 535                 // sets the explicit major/minor/build numbers for folder.
 536                 public static bool SetVersion (int major, int minor, int build)
 537                 {
 538                         ForceVersion = string.Format ("{0}.{1}.{2}", major, minor, build);
 539                         return true;
 540                 }
 541
 542                 // sets the explicit major/minor/build/revision numbers for folder.
 543                 public static bool SetVersion (int major, int minor, int build, int revision)
 544                 {
 545                         ForceVersion = string.Format ("{0}.{1}.{2}.{3}", major, minor, build, revision);
 546                         return true;
 547                 }
 548
 549                 // sets the explicit version number string for folder.
 550                 public static bool SetVersion (string forceVersion)
 551                 {
 552                         if (CheckFileName (forceVersion))
 553                         {
 554                                 ForceVersion = forceVersion;
 555                                 return true;
 556                         }
 557                         else
 558                                 return false;
 559                 }
 560
 561                 private static bool CheckPath (string configPath)
 562                 {
 563                         char[] invalidPathChars = Path.GetInvalidPathChars ();
 564
 565                         /*
 566                         foreach (char invalidChar in invalidPathChars)
 567                         {
 568                                 if (configPath.Contains (invalidChar.ToString()))
 569                                 {
 570                                         return false;
 571                                 }
 572                         }
 573                         */
 574                         if (configPath.IndexOfAny (invalidPathChars) >= 0)
 575                                 return false;
 576
 577                         string folder = configPath;
 578                         string fileName;
 579                         while ((fileName = Path.GetFileName (folder)) != "")
 580                         {
 581                                 if (!CheckFileName (fileName))
 582                                 {
 583                                         return false;
 584                                 }
 585                                 folder = Path.GetDirectoryName (folder);
 586                         }
 587
 588                         return true;
 589                 }
 590
 591
 592                 public override string Name {
 593                         get { return base.Name; }
 594                 }
 595
 596                 string app_name = String.Empty;//"OJK.CustomSetting.CustomizableLocalFileSettingsProvider";
 597                 public override string ApplicationName {
 598                         get { return app_name; }
 599                         set { app_name = value; }
 600                 }
 601
 602                 private ExeConfigurationFileMap exeMapCurrent = null;
 603                 private ExeConfigurationFileMap exeMapPrev = null;
 604                 private SettingsPropertyValueCollection values = null;
 605
 606                 private void SaveProperties (ExeConfigurationFileMap exeMap, SettingsPropertyValueCollection collection, ConfigurationUserLevel level, SettingsContext context, bool checkUserLevel)
 607                 {
 608                         Configuration config = ConfigurationManager.OpenMappedExeConfiguration (exeMap, level);
 609
 610                         UserSettingsGroup userGroup = config.GetSectionGroup ("userSettings") as UserSettingsGroup;
 611                         bool isRoaming = (level == ConfigurationUserLevel.PerUserRoaming);
 612
 613 #if true // my reimplementation
 614
 615                         if (userGroup == null) {
 616                                 userGroup = new UserSettingsGroup ();
 617                                 config.SectionGroups.Add ("userSettings", userGroup);
 618                                 ApplicationSettingsBase asb = context.CurrentSettings;
 619                                 ClientSettingsSection cs = new ClientSettingsSection ();
 620                                 string class_name = NormalizeInvalidXmlChars ((asb != null ? asb.GetType () : typeof (ApplicationSettingsBase)).FullName);
 621                                 userGroup.Sections.Add (class_name, cs);
 622                         }
 623
 624                         bool hasChanges = false;
 625
 626                         foreach (ConfigurationSection section in userGroup.Sections) {
 627                                 ClientSettingsSection userSection = section as ClientSettingsSection;
 628                                 if (userSection == null)
 629                                         continue;
 630
 631                                 foreach (SettingsPropertyValue value in collection) {
 632                                         if (checkUserLevel && value.Property.Attributes.Contains (typeof (SettingsManageabilityAttribute)) != isRoaming)
 633                                                 continue;
 634                                         // The default impl does not save the ApplicationScopedSetting properties
 635                                         if (value.Property.Attributes.Contains (typeof (ApplicationScopedSettingAttribute)))
 636                                                 continue;
 637
 638                                         hasChanges = true;
 639                                         SettingElement element = userSection.Settings.Get (value.Name);
 640                                         if (element == null) {
 641                                                 element = new SettingElement (value.Name, value.Property.SerializeAs);
 642                                                 userSection.Settings.Add (element);
 643                                         }
 644                                         if (element.Value.ValueXml == null)
 645                                                 element.Value.ValueXml = new XmlDocument ().CreateElement ("value");
 646                                         switch (value.Property.SerializeAs) {
 647                                         case SettingsSerializeAs.Xml:
 648                                                 element.Value.ValueXml.InnerXml = (value.SerializedValue as string) ?? string.Empty;
 649                                                 break;
 650                                         case SettingsSerializeAs.String:
 651                                                 element.Value.ValueXml.InnerText = value.SerializedValue as string;
 652                                                 break;
 653                                         case SettingsSerializeAs.Binary:
 654                                                 element.Value.ValueXml.InnerText = value.SerializedValue != null ? Convert.ToBase64String (value.SerializedValue as byte []) : string.Empty;
 655                                                 break;
 656                                         default:
 657                                                 throw new NotImplementedException ();
 658                                         }
 659                                 }
 660                         }
 661                         if (hasChanges)
 662                                 config.Save (ConfigurationSaveMode.Minimal, true);
 663
 664 #else // original impl. - likely buggy to miss some properties to save
 665
 666                         foreach (ConfigurationSection configSection in userGroup.Sections)
 667                         {
 668                                 ClientSettingsSection userSection = configSection as ClientSettingsSection;
 669                                 if (userSection != null)
 670                                 {
 671 /*
 672                                         userSection.Settings.Clear();
 673
 674                                         foreach (SettingsPropertyValue propertyValue in collection)
 675                                         {
 676                                                 if (propertyValue.IsDirty)
 677                                                 {
 678                                                         SettingElement element = new SettingElement(propertyValue.Name, SettingsSerializeAs.String);
 679                                                         element.Value.ValueXml = new XmlDocument();
 680                                                         element.Value.ValueXml.InnerXml = (string)propertyValue.SerializedValue;
 681                                                         userSection.Settings.Add(element);
 682                                                 }
 683                                         }
 684 */
 685                                         foreach (SettingElement element in userSection.Settings)
 686                                         {
 687                                                 if (collection [element.Name] != null) {
 688                                                         if (collection [element.Name].Property.Attributes.Contains (typeof (SettingsManageabilityAttribute)) != isRoaming)
 689                                                                 continue;
 690
 691                                                         element.SerializeAs = SettingsSerializeAs.String;
 692                                                         element.Value.ValueXml.InnerXml = (string) collection [element.Name].SerializedValue;   ///Value = XmlElement
 693                                                 }
 694                                         }
 695
 696                                 }
 697                         }
 698                         config.Save (ConfigurationSaveMode.Minimal, true);
 699 #endif
 700                 }
 701
 702                 // NOTE: We should add here all the chars that are valid in a name of a class (Ecma-wise),
 703                 // but invalid in an xml element name, and provide a better impl if we get too many of them.
 704                 string NormalizeInvalidXmlChars (string str)
 705                 {
 706                         char [] invalid_chars = new char [] { '+' };
 707
 708                         if (str == null || str.IndexOfAny (invalid_chars) == -1)
 709                                 return str;
 710
 711                         // Replace with its hexadecimal values.
 712                         str = str.Replace ("+", "_x002B_");
 713                         return str;
 714                 }
 715
 716                 private void LoadPropertyValue (SettingsPropertyCollection collection, SettingElement element, bool allowOverwrite)
 717                 {
 718                         SettingsProperty prop = collection [element.Name];
 719                         if (prop == null) { // see bug #343459
 720                                 prop = new SettingsProperty (element.Name);
 721                                 collection.Add (prop);
 722                         }
 723
 724                         SettingsPropertyValue value = new SettingsPropertyValue (prop);
 725                         value.IsDirty = false;
 726                         if (element.Value.ValueXml != null) {
 727                                 switch (value.Property.SerializeAs) {
 728                                 case SettingsSerializeAs.Xml:
 729                                         value.SerializedValue = element.Value.ValueXml.InnerXml;
 730                                         break;
 731                                 case SettingsSerializeAs.String:
 732                                         value.SerializedValue = element.Value.ValueXml.InnerText;
 733                                         break;
 734                                 case SettingsSerializeAs.Binary:
 735                                         value.SerializedValue = Convert.FromBase64String (element.Value.ValueXml.InnerText);
 736                                         break;
 737                                 }
 738                         }
 739                         else
 740                                 value.SerializedValue = prop.DefaultValue;
 741                         try
 742                         {
 743                                 if (allowOverwrite)
 744                                         values.Remove (element.Name);
 745                                 values.Add (value);
 746                         } catch (ArgumentException ex) {
 747                                 throw new ConfigurationErrorsException (string.Format (
 748                                         CultureInfo.InvariantCulture,
 749                                         "Failed to load value for '{0}'.",
 750                                         element.Name), ex);
 751                         }
 752                 }
 753
 754                 private void LoadProperties (ExeConfigurationFileMap exeMap, SettingsPropertyCollection collection, ConfigurationUserLevel level, string sectionGroupName, bool allowOverwrite, string groupName)
 755                 {
 756                         Configuration config = ConfigurationManager.OpenMappedExeConfiguration (exeMap,level);
 757
 758                         ConfigurationSectionGroup sectionGroup = config.GetSectionGroup (sectionGroupName);
 759                         if (sectionGroup != null) {
 760                                 foreach (ConfigurationSection configSection in sectionGroup.Sections) {
 761                                         if (configSection.SectionInformation.Name != groupName)
 762                                                 continue;
 763
 764                                         ClientSettingsSection clientSection = configSection as ClientSettingsSection;
 765                                         if (clientSection == null)
 766                                                 continue;
 767
 768                                         foreach (SettingElement element in clientSection.Settings) {
 769                                                 LoadPropertyValue(collection, element, allowOverwrite);
 770                                         }
 771                                         // Only the first one seems to be processed by MS
 772                                         break;
 773                                 }
 774                         }
 775
 776                 }
 777
 778                 public override void SetPropertyValues (SettingsContext context, SettingsPropertyValueCollection collection)
 779                 {
 780                         CreateExeMap ();
 781
 782                         if (UserLocalFullPath == UserRoamingFullPath)
 783                         {
 784                                 SaveProperties (exeMapCurrent, collection, ConfigurationUserLevel.PerUserRoaming, context, false);
 785                         } else {
 786                                 SaveProperties (exeMapCurrent, collection, ConfigurationUserLevel.PerUserRoaming, context, true);
 787                                 SaveProperties (exeMapCurrent, collection, ConfigurationUserLevel.PerUserRoamingAndLocal, context, true);
 788                         }
 789                 }
 790
 791                 public override SettingsPropertyValueCollection GetPropertyValues (SettingsContext context, SettingsPropertyCollection collection)
 792                 {
 793                         CreateExeMap ();
 794
 795                         if (values == null) {
 796                                 values = new SettingsPropertyValueCollection ();
 797                                 string groupName = context ["GroupName"] as string;
 798                                 groupName = NormalizeInvalidXmlChars (groupName); // we likely saved the element removing the non valid xml chars.
 799                                 LoadProperties (exeMapCurrent, collection, ConfigurationUserLevel.None, "applicationSettings", false, groupName);
 800                                 LoadProperties (exeMapCurrent, collection, ConfigurationUserLevel.None, "userSettings", false, groupName);
 801
 802                                 LoadProperties (exeMapCurrent, collection, ConfigurationUserLevel.PerUserRoaming, "userSettings", true, groupName);
 803                                 LoadProperties (exeMapCurrent, collection, ConfigurationUserLevel.PerUserRoamingAndLocal, "userSettings", true, groupName);
 804
 805                                 // create default values if not exist
 806                                 foreach (SettingsProperty p in collection)
 807                                         if (values [p.Name] == null)
 808                                                 values.Add (new SettingsPropertyValue (p));
 809                         }
 810                         return values;
 811                 }
 812
 813                 /// creates an ExeConfigurationFileMap
 814                 private void CreateExeMap ()
 815                 {
 816                         if (exeMapCurrent == null) {
 817                                 CreateUserConfigPath ();
 818
 819                                 // current version
 820                                 exeMapCurrent = new ExeConfigurationFileMap ();
 821
 822                                 // exeMapCurrent.ExeConfigFilename = System.Windows.Forms.Application.ExecutablePath + ".config";
 823                                 Assembly entry = Assembly.GetEntryAssembly () ?? Assembly.GetExecutingAssembly ();
 824                                 exeMapCurrent.ExeConfigFilename = entry.Location + ".config";
 825                                 exeMapCurrent.LocalUserConfigFilename = UserLocalFullPath;
 826                                 exeMapCurrent.RoamingUserConfigFilename = UserRoamingFullPath;
 827
 828                                 if (webConfigurationFileMapType != null && typeof (ConfigurationFileMap).IsAssignableFrom (webConfigurationFileMapType)) {
 829                                         try {
 830                                                 ConfigurationFileMap cfgFileMap = Activator.CreateInstance (webConfigurationFileMapType) as ConfigurationFileMap;
 831                                                 if (cfgFileMap != null) {
 832                                                         string fpath = cfgFileMap.MachineConfigFilename;
 833                                                         if (!String.IsNullOrEmpty (fpath))
 834                                                                 exeMapCurrent.ExeConfigFilename = fpath;
 835                                                 }
 836                                         } catch {
 837                                                 // ignore
 838                                         }
 839                                 }
 840
 841                                 // previous version
 842                                 if ((PrevUserLocalFullPath != "") && (PrevUserRoamingFullPath != ""))
 843                                 {
 844                                         exeMapPrev = new ExeConfigurationFileMap();
 845                                         // exeMapPrev.ExeConfigFilename = System.Windows.Forms.Application.ExecutablePath + ".config";
 846                                         exeMapPrev.ExeConfigFilename = entry.Location + ".config";
 847                                         exeMapPrev.LocalUserConfigFilename = PrevUserLocalFullPath;
 848                                         exeMapPrev.RoamingUserConfigFilename = PrevUserRoamingFullPath;
 849                                 }
 850                         }
 851                 }
 852
 853                 // FIXME: implement
 854                 public SettingsPropertyValue GetPreviousVersion (SettingsContext context, SettingsProperty property)
 855                 {
 856                         return null;
 857                 }
 858
 859                 public void Reset (SettingsContext context)
 860                 {
 861                         SettingsPropertyCollection coll = new SettingsPropertyCollection ();
 862                         GetPropertyValues (context, coll);
 863                         foreach (SettingsPropertyValue propertyValue in values) {
 864                                 // Can't use propertyValue.Property.DefaultValue
 865                                 // as it may cause InvalidCastException (see bug# 532180)
 866                                 propertyValue.PropertyValue = propertyValue.Reset ();
 867                         }
 868                         SetPropertyValues (context, values);
 869                 }
 870
 871                 // FIXME: implement
 872                 public void Upgrade (SettingsContext context, SettingsPropertyCollection properties)
 873                 {
 874                 }
 875
 876                 public static void setCreate ()
 877                 {
 878                         CreateUserConfigPath();
 879                 }
 880         }
 881 }
 882
 883 #endif