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 NET_2_0 && 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                 private static Type webConfigurationFileMapType;
  84
  85                 private static string userRoamingPath = "";
  86                 private static string userLocalPath = "";
  87                 private static string userRoamingPathPrevVersion = "";
  88                 private static string userLocalPathPrevVersion = "";
  89                 private static string userRoamingName = "user.config";
  90                 private static string userLocalName = "user.config";
  91                 private static string userRoamingBasePath = "";
  92                 private static string userLocalBasePath = "";
  93                 private static string CompanyName = "";
  94                 private static string ProductName = "";
  95                 private static string ForceVersion = "";
  96                 private static string[] ProductVersion;
  97
  98                 // whether to include parts in the folder name or not:
  99                 private static bool isVersionMajor = false;     // 0x0001       major version
 100                 private static bool isVersionMinor = false;     // 0x0002       minor version
 101                 private static bool isVersionBuild = false;     // 0x0004       build version
 102                 private static bool isVersionRevision = false;  // 0x0008       revision
 103                 private static bool isCompany = true;           // 0x0010       corporate name
 104                 private static bool isProduct = true;           // 0x0020       product name
 105                 private static bool isEvidence = false;         // 0x0040       evidence hash
 106
 107                 private static bool userDefine = false;         // 0x8000       ignore all above and use user definition
 108
 109                 private static UserConfigLocationOption userConfig = UserConfigLocationOption.Company_Product;
 110
 111                 public override void Initialize (string name, NameValueCollection config)
 112                 {
 113                         base.Initialize (name, config);
 114                 }
 115
 116                 // full path to roaming user.config
 117                 internal static string UserRoamingFullPath {
 118                         get { return Path.Combine (userRoamingPath, userRoamingName); }
 119                 }
 120
 121                 // full path to local user.config
 122                 internal static string UserLocalFullPath {
 123                         get { return Path.Combine (userLocalPath, userLocalName); }
 124                 }
 125
 126                 // previous full path to roaming user.config
 127                 public static string PrevUserRoamingFullPath {
 128                         get { return Path.Combine (userRoamingPathPrevVersion, userRoamingName); }
 129                 }
 130
 131                 // previous full path to local user.config
 132                 public static string PrevUserLocalFullPath {
 133                         get { return Path.Combine (userLocalPathPrevVersion, userLocalName); }
 134                 }
 135
 136                 // path to roaming user.config
 137                 public static string UserRoamingPath {
 138                         get { return userRoamingPath; }
 139                 }
 140
 141                 // path to local user.config
 142                 public static string UserLocalPath {
 143                         get { return userLocalPath; }
 144                 }
 145
 146                 // file name which is equivalent to user.config, for roaming user
 147                 public static string UserRoamingName {
 148                         get { return userRoamingName; }
 149                 }
 150
 151                 // file name which is equivalent to user.config, for local user
 152                 public static string UserLocalName {
 153                         get { return userLocalName; }
 154                 }
 155
 156                 public static UserConfigLocationOption UserConfigSelector
 157                 {
 158                         get { return userConfig; }
 159                         set {
 160                                 userConfig = value;
 161
 162                                 if (((uint) userConfig & 0x8000) != 0) {
 163                                         isVersionMajor = false;
 164                                         isVersionMinor = false;
 165                                         isVersionBuild = false;
 166                                         isVersionRevision = false;
 167                                         isCompany = false;
 168                                         return;
 169                                 }
 170
 171                                 isVersionRevision = ((uint) userConfig & 0x0008) != 0;
 172                                 isVersionBuild = isVersionRevision | ((uint)userConfig & 0x0004) != 0;
 173                                 isVersionMinor = isVersionBuild | ((uint)userConfig & 0x0002) != 0;
 174                                 isVersionMajor = IsVersionMinor | ((uint)userConfig & 0x0001) != 0;
 175
 176                                 isCompany = ((uint) userConfig & 0x0010) != 0;
 177                                 isProduct = ((uint) userConfig & 0x0020) != 0;
 178                         }
 179                 }
 180
 181                 // whether the path to include the major version.
 182                 public static bool IsVersionMajor
 183                 {
 184                         get { return isVersionMajor; }
 185                         set
 186                         {
 187                                 isVersionMajor = value;
 188                                 isVersionMinor = false;
 189                                 isVersionBuild = false;
 190                                 isVersionRevision = false;
 191                         }
 192                 }
 193
 194                 // whether the path to include minor version.
 195                 public static bool IsVersionMinor
 196                 {
 197                         get { return isVersionMinor; }
 198                         set
 199                         {
 200                                 isVersionMinor = value;
 201                                 if (isVersionMinor)
 202                                         isVersionMajor = true;
 203                                 isVersionBuild = false;
 204                                 isVersionRevision = false;
 205                         }
 206                 }
 207
 208                 // whether the path to include build version.
 209                 public static bool IsVersionBuild
 210                 {
 211                         get { return isVersionBuild; }
 212                         set
 213                         {
 214                                 isVersionBuild = value;
 215                                 if (isVersionBuild) {
 216                                         isVersionMajor = true;
 217                                         isVersionMinor = true;
 218                                 }
 219                                 isVersionRevision = false;
 220                         }
 221                 }
 222
 223                 // whether the path to include revision.
 224                 public static bool IsVersionRevision
 225                 {
 226                         get { return isVersionRevision; }
 227                         set
 228                         {
 229                                 isVersionRevision = value;
 230                                 if (isVersionRevision) {
 231                                         isVersionMajor = true;
 232                                         isVersionMinor = true;
 233                                         isVersionBuild = true;
 234                                 }
 235                         }
 236                 }
 237
 238                 // whether the path to include company name.
 239                 public static bool IsCompany
 240                 {
 241                         get { return isCompany; }
 242                         set { isCompany = value; }
 243                 }
 244
 245                 // whether the path to include evidence hash.
 246                 public static bool IsEvidence
 247                 {
 248                         get { return isEvidence; }
 249                         set { isEvidence = value; }
 250                 }
 251
 252                 // AssemblyCompanyAttribute->Namespace->"Program"
 253                 private static string GetCompanyName ()
 254                 {
 255                         Assembly assembly = Assembly.GetEntryAssembly ();
 256                         if (assembly == null)
 257                                 assembly = Assembly.GetCallingAssembly ();
 258
 259                         AssemblyCompanyAttribute [] attrs = (AssemblyCompanyAttribute []) assembly.GetCustomAttributes (typeof (AssemblyCompanyAttribute), true);
 260
 261                         if ((attrs != null) && attrs.Length > 0) {
 262                                 return attrs [0].Company;
 263                         }
 264
 265 #if !TARGET_JVM
 266                         MethodInfo entryPoint = assembly.EntryPoint;
 267                         Type entryType = entryPoint != null ? entryPoint.DeclaringType : null;
 268                         if (entryType != null && !String.IsNullOrEmpty (entryType.Namespace)) {
 269                                 int end = entryType.Namespace.IndexOf ('.');
 270                                 return end < 0 ? entryType.Namespace : entryType.Namespace.Substring (0, end);
 271                         }
 272                         return "Program";
 273 #else
 274                         return assembly.GetName ().Name;
 275 #endif
 276                 }
 277
 278                 private static string GetProductName ()
 279                 {
 280                         Assembly assembly = Assembly.GetEntryAssembly ();
 281                         if (assembly == null)
 282                                 assembly = Assembly.GetCallingAssembly ();
 283
 284 #if !TARGET_JVM
 285                         byte [] pkt = assembly.GetName ().GetPublicKeyToken ();
 286                         return String.Format ("{0}_{1}_{2}",
 287                                 AppDomain.CurrentDomain.FriendlyName,
 288                                 pkt != null && pkt.Length > 0 ? "StrongName" : "Url",
 289                                 GetEvidenceHash());
 290 #else // AssemblyProductAttribute-based code
 291                         AssemblyProductAttribute [] attrs = (AssemblyProductAttribute[]) assembly.GetCustomAttributes (typeof (AssemblyProductAttribute), true);
 292
 293                         if ((attrs != null) && attrs.Length > 0) {
 294                                 return attrs [0].Product;
 295                         }
 296                         return assembly.GetName ().Name;
 297 #endif
 298                 }
 299
 300                 // Note: Changed from base64() to hex output to avoid unexpected chars like '\' or '/' with filesystem meaning.
 301                 //       Otherwise eventually filenames, which are invalid on linux or windows, might be created.
 302                 // Signed-off-by:  Carsten Schlote <schlote@vahanus.net>
 303                 // TODO: Compare with .NET. It might be also, that their way isn't suitable for Unix OS derivates (slahes in output)
 304                 private static string GetEvidenceHash ()
 305                 {
 306                         Assembly assembly = Assembly.GetEntryAssembly ();
 307                         if (assembly == null)
 308                                 assembly = Assembly.GetCallingAssembly ();
 309
 310                         byte [] pkt = assembly.GetName ().GetPublicKeyToken ();
 311                         byte [] hash = SHA1.Create ().ComputeHash (pkt != null && pkt.Length >0 ? pkt : Encoding.UTF8.GetBytes (assembly.EscapedCodeBase));
 312                         System.Text.StringBuilder evidence_string = new System.Text.StringBuilder();
 313                         foreach (byte b in hash)
 314                                 evidence_string.AppendFormat("{0:x2}",b);
 315                         return evidence_string.ToString ();
 316                 }
 317
 318                 private static string GetProductVersion ()
 319                 {
 320                         Assembly assembly = Assembly.GetEntryAssembly ();
 321                         if (assembly == null)
 322                                 assembly = Assembly.GetCallingAssembly ();
 323                         if (assembly == null)
 324                                 return string.Empty;
 325
 326                         return assembly.GetName ().Version.ToString ();
 327                 }
 328
 329                 private static void CreateUserConfigPath ()
 330                 {
 331                         if (userDefine)
 332                                 return;
 333
 334                         if (ProductName == "")
 335                                 ProductName = GetProductName ();
 336                         if (CompanyName == "")
 337                                 CompanyName = GetCompanyName ();
 338                         if (ForceVersion == "")
 339                                 ProductVersion = GetProductVersion ().Split('.');
 340
 341                         // C:\Documents and Settings\(user)\Application Data
 342 #if !TARGET_JVM
 343                         if (userRoamingBasePath == "")
 344                                 userRoamingPath = Environment.GetFolderPath (Environment.SpecialFolder.ApplicationData);
 345                         else
 346 #endif
 347                                 userRoamingPath = userRoamingBasePath;
 348
 349                         // C:\Documents and Settings\(user)\Local Settings\Application Data (on Windows)
 350 #if !TARGET_JVM
 351                         if (userLocalBasePath == "")
 352                                 userLocalPath = Environment.GetFolderPath (Environment.SpecialFolder.LocalApplicationData);
 353                         else
 354 #endif
 355                                 userLocalPath = userLocalBasePath;
 356
 357                         if (isCompany) {
 358                                 userRoamingPath = Path.Combine (userRoamingPath, CompanyName);
 359                                 userLocalPath = Path.Combine (userLocalPath, CompanyName);
 360                         }
 361
 362                         if (isProduct) {
 363                                 if (isEvidence) {
 364                                         Assembly assembly = Assembly.GetEntryAssembly ();
 365                                         if (assembly == null)
 366                                                 assembly = Assembly.GetCallingAssembly ();
 367 #if !TARGET_JVM
 368                                         byte [] pkt = assembly.GetName ().GetPublicKeyToken ();
 369                                         ProductName = String.Format ("{0}_{1}_{2}",
 370                                                 ProductName,
 371                                                 pkt != null ? "StrongName" : "Url",
 372                                                 GetEvidenceHash());
 373 #endif
 374                                 }
 375                                 userRoamingPath = Path.Combine (userRoamingPath, ProductName);
 376                                 userLocalPath = Path.Combine (userLocalPath, ProductName);
 377
 378                         }
 379
 380                         string versionName;
 381
 382                         if (ForceVersion == "") {
 383                                 if (isVersionRevision)
 384                                         versionName = String.Format ("{0}.{1}.{2}.{3}", ProductVersion [0], ProductVersion [1], ProductVersion [2], ProductVersion [3]);
 385                                 else if (isVersionBuild)
 386                                         versionName = String.Format ("{0}.{1}.{2}", ProductVersion [0], ProductVersion [1], ProductVersion [2]);
 387                                 else if (isVersionMinor)
 388                                         versionName = String.Format ("{0}.{1}", ProductVersion [0], ProductVersion [1]);
 389                                 else if (isVersionMajor)
 390                                         versionName = ProductVersion [0];
 391                                 else
 392                                         versionName = "";
 393                         }
 394                         else
 395                                 versionName = ForceVersion;
 396
 397                         string prevVersionRoaming = PrevVersionPath (userRoamingPath, versionName);
 398                         string prevVersionLocal = PrevVersionPath (userLocalPath, versionName);
 399
 400                         userRoamingPath = Path.Combine (userRoamingPath, versionName);
 401                         userLocalPath = Path.Combine (userLocalPath, versionName);
 402                         if (prevVersionRoaming != "")
 403                                 userRoamingPathPrevVersion = Path.Combine(userRoamingPath, prevVersionRoaming);
 404                         if (prevVersionLocal != "")
 405                                 userLocalPathPrevVersion = Path.Combine(userLocalPath, prevVersionLocal);
 406                 }
 407
 408                 // string for the previous version. It ignores newer ones.
 409                 private static string PrevVersionPath (string dirName, string currentVersion)
 410                 {
 411                         string prevVersionString = "";
 412
 413                         if (!Directory.Exists(dirName))
 414                                 return prevVersionString;
 415                         DirectoryInfo currentDir = new DirectoryInfo (dirName);
 416                         foreach (DirectoryInfo dirInfo in currentDir.GetDirectories ())
 417                                 if (String.Compare (currentVersion, dirInfo.Name, StringComparison.Ordinal) > 0)
 418                                         if (String.Compare (prevVersionString, dirInfo.Name, StringComparison.Ordinal) < 0)
 419                                                 prevVersionString = dirInfo.Name;
 420
 421                         return prevVersionString;
 422                 }
 423
 424                 // sets the explicit path to store roaming user.config or equivalent.
 425                 // (returns the path validity.)
 426                 public static bool SetUserRoamingPath (string configPath)
 427                 {
 428                         if (CheckPath (configPath))
 429                         {
 430                                 userRoamingBasePath = configPath;
 431                                 return true;
 432                         }
 433                         else
 434                                 return false;
 435                 }
 436
 437                 // sets the explicit path to store local user.config or equivalent.
 438                 // (returns the path validity.)
 439                 public static bool SetUserLocalPath (string configPath)
 440                 {
 441                         if (CheckPath (configPath))
 442                         {
 443                                 userLocalBasePath = configPath;
 444                                 return true;
 445                         }
 446                         else
 447                                 return false;
 448                 }
 449
 450                 private static bool CheckFileName (string configFile)
 451                 {
 452                         /*
 453                         char[] invalidFileChars = Path.GetInvalidFileNameChars();
 454
 455                         foreach (char invalidChar in invalidFileChars)
 456                         {
 457                                 if (configFile.Contains(invalidChar.ToString()))
 458                                 {
 459                                         return false;
 460                                 }
 461                         }
 462                         return true;
 463                         */
 464                         return configFile.IndexOfAny (Path.GetInvalidFileNameChars ()) < 0;
 465                 }
 466
 467                 // sets the explicit roaming file name which is user.config equivalent.
 468                 // (returns the file name validity.)
 469                 public static bool SetUserRoamingFileName (string configFile)
 470                 {
 471                         if (CheckFileName (configFile))
 472                         {
 473                                 userRoamingName = configFile;
 474                                 return true;
 475                         }
 476                         else
 477                                 return false;
 478                 }
 479
 480                 // sets the explicit local file name which is user.config equivalent.
 481                 // (returns the file name validity.)
 482                 public static bool SetUserLocalFileName (string configFile)
 483                 {
 484                         if (CheckFileName (configFile))
 485                         {
 486                                 userLocalName = configFile;
 487                                 return true;
 488                         }
 489                         else
 490                                 return false;
 491                 }
 492
 493                 // sets the explicit company name for folder.
 494                 // (returns the file name validity.)
 495                 public static bool SetCompanyName (string companyName)
 496                 {
 497                         if (CheckFileName (companyName))
 498                         {
 499                                 CompanyName = companyName;
 500                                 return true;
 501                         }
 502                         else
 503                                 return false;
 504                 }
 505
 506                 // sets the explicit product name for folder.
 507                 // (returns the file name validity.)
 508                 public static bool SetProductName (string productName)
 509                 {
 510                         if (CheckFileName (productName))
 511                         {
 512                                 ProductName = productName;
 513                                 return true;
 514                         }
 515                         else
 516                                 return false;
 517                 }
 518
 519                 // sets the explicit major version for folder.
 520                 public static bool SetVersion (int major)
 521                 {
 522                         ForceVersion = string.Format ("{0}", major);
 523                         return true;
 524                 }
 525
 526                 // sets the explicit major and minor versions for folder.
 527                 public static bool SetVersion (int major, int minor)
 528                 {
 529                         ForceVersion = string.Format ("{0}.{1}", major, minor);
 530                         return true;
 531                 }
 532
 533                 // sets the explicit major/minor/build numbers for folder.
 534                 public static bool SetVersion (int major, int minor, int build)
 535                 {
 536                         ForceVersion = string.Format ("{0}.{1}.{2}", major, minor, build);
 537                         return true;
 538                 }
 539
 540                 // sets the explicit major/minor/build/revision numbers for folder.
 541                 public static bool SetVersion (int major, int minor, int build, int revision)
 542                 {
 543                         ForceVersion = string.Format ("{0}.{1}.{2}.{3}", major, minor, build, revision);
 544                         return true;
 545                 }
 546
 547                 // sets the explicit version number string for folder.
 548                 public static bool SetVersion (string forceVersion)
 549                 {
 550                         if (CheckFileName (forceVersion))
 551                         {
 552                                 ForceVersion = forceVersion;
 553                                 return true;
 554                         }
 555                         else
 556                                 return false;
 557                 }
 558
 559                 private static bool CheckPath (string configPath)
 560                 {
 561                         char[] invalidPathChars = Path.GetInvalidPathChars ();
 562
 563                         /*
 564                         foreach (char invalidChar in invalidPathChars)
 565                         {
 566                                 if (configPath.Contains (invalidChar.ToString()))
 567                                 {
 568                                         return false;
 569                                 }
 570                         }
 571                         */
 572                         if (configPath.IndexOfAny (invalidPathChars) >= 0)
 573                                 return false;
 574
 575                         string folder = configPath;
 576                         string fileName;
 577                         while ((fileName = Path.GetFileName (folder)) != "")
 578                         {
 579                                 if (!CheckFileName (fileName))
 580                                 {
 581                                         return false;
 582                                 }
 583                                 folder = Path.GetDirectoryName (folder);
 584                         }
 585
 586                         return true;
 587                 }
 588
 589
 590                 public override string Name {
 591                         get { return base.Name; }
 592                 }
 593
 594                 string app_name = String.Empty;//"OJK.CustomSetting.CustomizableLocalFileSettingsProvider";
 595                 public override string ApplicationName {
 596                         get { return app_name; }
 597                         set { app_name = value; }
 598                 }
 599
 600                 private ExeConfigurationFileMap exeMapCurrent = null;
 601                 private ExeConfigurationFileMap exeMapPrev = null;
 602                 private SettingsPropertyValueCollection values = null;
 603
 604                 private void SaveProperties (ExeConfigurationFileMap exeMap, SettingsPropertyValueCollection collection, ConfigurationUserLevel level, SettingsContext context, bool checkUserLevel)
 605                 {
 606                         Configuration config = ConfigurationManager.OpenMappedExeConfiguration (exeMap, level);
 607
 608                         UserSettingsGroup userGroup = config.GetSectionGroup ("userSettings") as UserSettingsGroup;
 609                         bool isRoaming = (level == ConfigurationUserLevel.PerUserRoaming);
 610
 611 #if true // my reimplementation
 612
 613                         if (userGroup == null) {
 614                                 userGroup = new UserSettingsGroup ();
 615                                 config.SectionGroups.Add ("userSettings", userGroup);
 616                                 ApplicationSettingsBase asb = context.CurrentSettings;
 617                                 ClientSettingsSection cs = new ClientSettingsSection ();
 618                                 string class_name = NormalizeInvalidXmlChars ((asb != null ? asb.GetType () : typeof (ApplicationSettingsBase)).FullName);
 619                                 userGroup.Sections.Add (class_name, cs);
 620                         }
 621
 622                         bool hasChanges = false;
 623
 624                         foreach (ConfigurationSection section in userGroup.Sections) {
 625                                 ClientSettingsSection userSection = section as ClientSettingsSection;
 626                                 if (userSection == null)
 627                                         continue;
 628
 629                                 foreach (SettingsPropertyValue value in collection) {
 630                                         if (checkUserLevel && value.Property.Attributes.Contains (typeof (SettingsManageabilityAttribute)) != isRoaming)
 631                                                 continue;
 632                                         // The default impl does not save the ApplicationScopedSetting properties
 633                                         if (value.Property.Attributes.Contains (typeof (ApplicationScopedSettingAttribute)))
 634                                                 continue;
 635
 636                                         hasChanges = true;
 637                                         SettingElement element = userSection.Settings.Get (value.Name);
 638                                         if (element == null) {
 639                                                 element = new SettingElement (value.Name, value.Property.SerializeAs);
 640                                                 userSection.Settings.Add (element);
 641                                         }
 642                                         if (element.Value.ValueXml == null)
 643                                                 element.Value.ValueXml = new XmlDocument ().CreateElement ("value");
 644                                         switch (value.Property.SerializeAs) {
 645                                         case SettingsSerializeAs.Xml:
 646                                                 element.Value.ValueXml.InnerXml = (value.SerializedValue as string) ?? string.Empty;
 647                                                 break;
 648                                         case SettingsSerializeAs.String:
 649                                                 element.Value.ValueXml.InnerText = value.SerializedValue as string;
 650                                                 break;
 651                                         case SettingsSerializeAs.Binary:
 652                                                 element.Value.ValueXml.InnerText = value.SerializedValue != null ? Convert.ToBase64String (value.SerializedValue as byte []) : string.Empty;
 653                                                 break;
 654                                         default:
 655                                                 throw new NotImplementedException ();
 656                                         }
 657                                 }
 658                         }
 659                         if (hasChanges)
 660                                 config.Save (ConfigurationSaveMode.Minimal, true);
 661
 662 #else // original impl. - likely buggy to miss some properties to save
 663
 664                         foreach (ConfigurationSection configSection in userGroup.Sections)
 665                         {
 666                                 ClientSettingsSection userSection = configSection as ClientSettingsSection;
 667                                 if (userSection != null)
 668                                 {
 669 /*
 670                                         userSection.Settings.Clear();
 671
 672                                         foreach (SettingsPropertyValue propertyValue in collection)
 673                                         {
 674                                                 if (propertyValue.IsDirty)
 675                                                 {
 676                                                         SettingElement element = new SettingElement(propertyValue.Name, SettingsSerializeAs.String);
 677                                                         element.Value.ValueXml = new XmlDocument();
 678                                                         element.Value.ValueXml.InnerXml = (string)propertyValue.SerializedValue;
 679                                                         userSection.Settings.Add(element);
 680                                                 }
 681                                         }
 682 */
 683                                         foreach (SettingElement element in userSection.Settings)
 684                                         {
 685                                                 if (collection [element.Name] != null) {
 686                                                         if (collection [element.Name].Property.Attributes.Contains (typeof (SettingsManageabilityAttribute)) != isRoaming)
 687                                                                 continue;
 688
 689                                                         element.SerializeAs = SettingsSerializeAs.String;
 690                                                         element.Value.ValueXml.InnerXml = (string) collection [element.Name].SerializedValue;   ///Value = XmlElement
 691                                                 }
 692                                         }
 693
 694                                 }
 695                         }
 696                         config.Save (ConfigurationSaveMode.Minimal, true);
 697 #endif
 698                 }
 699
 700                 // NOTE: We should add here all the chars that are valid in a name of a class (Ecma-wise),
 701                 // but invalid in an xml element name, and provide a better impl if we get too many of them.
 702                 string NormalizeInvalidXmlChars (string str)
 703                 {
 704                         char [] invalid_chars = new char [] { '+' };
 705
 706                         if (str == null || str.IndexOfAny (invalid_chars) == -1)
 707                                 return str;
 708
 709                         // Replace with its hexadecimal values.
 710                         str = str.Replace ("+", "_x002B_");
 711                         return str;
 712                 }
 713
 714                 private void LoadPropertyValue (SettingsPropertyCollection collection, SettingElement element, bool allowOverwrite)
 715                 {
 716                         SettingsProperty prop = collection [element.Name];
 717                         if (prop == null) { // see bug #343459
 718                                 prop = new SettingsProperty (element.Name);
 719                                 collection.Add (prop);
 720                         }
 721
 722                         SettingsPropertyValue value = new SettingsPropertyValue (prop);
 723                         value.IsDirty = false;
 724                         if (element.Value.ValueXml != null) {
 725                                 switch (value.Property.SerializeAs) {
 726                                 case SettingsSerializeAs.Xml:
 727                                         value.SerializedValue = element.Value.ValueXml.InnerXml;
 728                                         break;
 729                                 case SettingsSerializeAs.String:
 730                                         value.SerializedValue = element.Value.ValueXml.InnerText;
 731                                         break;
 732                                 case SettingsSerializeAs.Binary:
 733                                         value.SerializedValue = Convert.FromBase64String (element.Value.ValueXml.InnerText);
 734                                         break;
 735                                 }
 736                         }
 737                         else
 738                                 value.SerializedValue = prop.DefaultValue;
 739                         try
 740                         {
 741                                 if (allowOverwrite)
 742                                         values.Remove (element.Name);
 743                                 values.Add (value);
 744                         } catch (ArgumentException ex) {
 745                                 throw new ConfigurationErrorsException (string.Format (
 746                                         CultureInfo.InvariantCulture,
 747                                         "Failed to load value for '{0}'.",
 748                                         element.Name), ex);
 749                         }
 750                 }
 751
 752                 private void LoadProperties (ExeConfigurationFileMap exeMap, SettingsPropertyCollection collection, ConfigurationUserLevel level, string sectionGroupName, bool allowOverwrite, string groupName)
 753                 {
 754                         Configuration config = ConfigurationManager.OpenMappedExeConfiguration (exeMap,level);
 755
 756                         ConfigurationSectionGroup sectionGroup = config.GetSectionGroup (sectionGroupName);
 757                         if (sectionGroup != null) {
 758                                 foreach (ConfigurationSection configSection in sectionGroup.Sections) {
 759                                         if (configSection.SectionInformation.Name != groupName)
 760                                                 continue;
 761
 762                                         ClientSettingsSection clientSection = configSection as ClientSettingsSection;
 763                                         if (clientSection == null)
 764                                                 continue;
 765
 766                                         foreach (SettingElement element in clientSection.Settings) {
 767                                                 LoadPropertyValue(collection, element, allowOverwrite);
 768                                         }
 769                                         // Only the first one seems to be processed by MS
 770                                         break;
 771                                 }
 772                         }
 773
 774                 }
 775
 776                 public override void SetPropertyValues (SettingsContext context, SettingsPropertyValueCollection collection)
 777                 {
 778                         CreateExeMap ();
 779
 780                         if (UserLocalFullPath == UserRoamingFullPath)
 781                         {
 782                                 SaveProperties (exeMapCurrent, collection, ConfigurationUserLevel.PerUserRoaming, context, false);
 783                         } else {
 784                                 SaveProperties (exeMapCurrent, collection, ConfigurationUserLevel.PerUserRoaming, context, true);
 785                                 SaveProperties (exeMapCurrent, collection, ConfigurationUserLevel.PerUserRoamingAndLocal, context, true);
 786                         }
 787                 }
 788
 789                 public override SettingsPropertyValueCollection GetPropertyValues (SettingsContext context, SettingsPropertyCollection collection)
 790                 {
 791                         CreateExeMap ();
 792
 793                         if (values == null) {
 794                                 values = new SettingsPropertyValueCollection ();
 795                                 string groupName = context ["GroupName"] as string;
 796                                 groupName = NormalizeInvalidXmlChars (groupName); // we likely saved the element removing the non valid xml chars.
 797                                 LoadProperties (exeMapCurrent, collection, ConfigurationUserLevel.None, "applicationSettings", false, groupName);
 798                                 LoadProperties (exeMapCurrent, collection, ConfigurationUserLevel.None, "userSettings", false, groupName);
 799
 800                                 LoadProperties (exeMapCurrent, collection, ConfigurationUserLevel.PerUserRoaming, "userSettings", true, groupName);
 801                                 LoadProperties (exeMapCurrent, collection, ConfigurationUserLevel.PerUserRoamingAndLocal, "userSettings", true, groupName);
 802
 803                                 // create default values if not exist
 804                                 foreach (SettingsProperty p in collection)
 805                                         if (values [p.Name] == null)
 806                                                 values.Add (new SettingsPropertyValue (p));
 807                         }
 808                         return values;
 809                 }
 810
 811                 /// creates an ExeConfigurationFileMap
 812                 private void CreateExeMap ()
 813                 {
 814                         if (exeMapCurrent == null) {
 815                                 CreateUserConfigPath ();
 816
 817                                 // current version
 818                                 exeMapCurrent = new ExeConfigurationFileMap ();
 819
 820                                 // exeMapCurrent.ExeConfigFilename = System.Windows.Forms.Application.ExecutablePath + ".config";
 821                                 Assembly entry = Assembly.GetEntryAssembly () ?? Assembly.GetExecutingAssembly ();
 822                                 exeMapCurrent.ExeConfigFilename = entry.Location + ".config";
 823                                 exeMapCurrent.LocalUserConfigFilename = UserLocalFullPath;
 824                                 exeMapCurrent.RoamingUserConfigFilename = UserRoamingFullPath;
 825
 826                                 if (webConfigurationFileMapType != null && typeof (ConfigurationFileMap).IsAssignableFrom (webConfigurationFileMapType)) {
 827                                         try {
 828                                                 ConfigurationFileMap cfgFileMap = Activator.CreateInstance (webConfigurationFileMapType) as ConfigurationFileMap;
 829                                                 if (cfgFileMap != null) {
 830                                                         string fpath = cfgFileMap.MachineConfigFilename;
 831                                                         if (!String.IsNullOrEmpty (fpath))
 832                                                                 exeMapCurrent.ExeConfigFilename = fpath;
 833                                                 }
 834                                         } catch {
 835                                                 // ignore
 836                                         }
 837                                 }
 838
 839                                 // previous version
 840                                 if ((PrevUserLocalFullPath != "") && (PrevUserRoamingFullPath != ""))
 841                                 {
 842                                         exeMapPrev = new ExeConfigurationFileMap();
 843                                         // exeMapPrev.ExeConfigFilename = System.Windows.Forms.Application.ExecutablePath + ".config";
 844                                         exeMapPrev.ExeConfigFilename = entry.Location + ".config";
 845                                         exeMapPrev.LocalUserConfigFilename = PrevUserLocalFullPath;
 846                                         exeMapPrev.RoamingUserConfigFilename = PrevUserRoamingFullPath;
 847                                 }
 848                         }
 849                 }
 850
 851                 // FIXME: implement
 852                 public SettingsPropertyValue GetPreviousVersion (SettingsContext context, SettingsProperty property)
 853                 {
 854                         return null;
 855                 }
 856
 857                 public void Reset (SettingsContext context)
 858                 {
 859                         SettingsPropertyCollection coll = new SettingsPropertyCollection ();
 860                         GetPropertyValues (context, coll);
 861                         foreach (SettingsPropertyValue propertyValue in values) {
 862                                 // Can't use propertyValue.Property.DefaultValue
 863                                 // as it may cause InvalidCastException (see bug# 532180)
 864                                 propertyValue.PropertyValue = propertyValue.Reset ();
 865                         }
 866                         SetPropertyValues (context, values);
 867                 }
 868
 869                 // FIXME: implement
 870                 public void Upgrade (SettingsContext context, SettingsPropertyCollection properties)
 871                 {
 872                 }
 873
 874                 public static void setCreate ()
 875                 {
 876                         CreateUserConfigPath();
 877                 }
 878         }
 879 }
 880
 881 #endif