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/ 4.0 / 4.0 / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / fx / src / Configuration / System / Configuration / ProtectedConfigurationSection.cs / 1305376 / ProtectedConfigurationSection.cs
//------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Configuration { using System.Collections; using System.Collections.Specialized; using System.Xml; using System.Globalization; using System.Security.Permissions; public sealed class ProtectedConfigurationSection : ConfigurationSection { internal ProtectedConfigurationProvider GetProviderFromName(string providerName) { ProviderSettings ps = Providers[providerName]; if (ps == null) { throw new Exception(SR.GetString(SR.ProtectedConfigurationProvider_not_found, providerName)); } return InstantiateProvider(ps); } internal ProtectedConfigurationProviderCollection GetAllProviders() { ProtectedConfigurationProviderCollection coll = new ProtectedConfigurationProviderCollection(); foreach(ProviderSettings ps in Providers) { coll.Add(InstantiateProvider(ps)); } return coll; } [PermissionSet(SecurityAction.Assert, Unrestricted=true)] private ProtectedConfigurationProvider CreateAndInitializeProviderWithAssert(Type t, ProviderSettings pn) { ProtectedConfigurationProvider provider = (ProtectedConfigurationProvider)TypeUtil.CreateInstanceWithReflectionPermission(t); NameValueCollection pars = pn.Parameters; NameValueCollection cloneParams = new NameValueCollection(pars.Count); foreach (string key in pars) { cloneParams[key] = pars[key]; } provider.Initialize(pn.Name, cloneParams); return provider; } private ProtectedConfigurationProvider InstantiateProvider(ProviderSettings pn) { Type t = TypeUtil.GetTypeWithReflectionPermission(pn.Type, true); if (!typeof(ProtectedConfigurationProvider).IsAssignableFrom(t)) { throw new Exception(SR.GetString(SR.WrongType_of_Protected_provider)); } // Needs to check APTCA bit. See VSWhidbey 429996. if (!TypeUtil.IsTypeAllowedInConfig(t)) { throw new Exception(SR.GetString(SR.Type_from_untrusted_assembly, t.FullName)); } // Needs to check Assert Fulltrust in order for runtime to work. See VSWhidbey 429996. return CreateAndInitializeProviderWithAssert(t, pn); } internal static string DecryptSection(string encryptedXml, ProtectedConfigurationProvider provider) { XmlDocument doc = new XmlDocument(); doc.LoadXml(encryptedXml); XmlNode resultNode = provider.Decrypt(doc.DocumentElement); return resultNode.OuterXml; } private const string EncryptedSectionTemplate = "<{0} {1}=\"{2}\"> {3} {0}>"; internal static string FormatEncryptedSection(string encryptedXml, string sectionName, string providerName) { return String.Format(CultureInfo.InvariantCulture, EncryptedSectionTemplate, sectionName, // The section to encrypt BaseConfigurationRecord.KEYWORD_PROTECTION_PROVIDER, // protectionProvider keyword providerName, // The provider name encryptedXml // the encrypted xml ); } internal static string EncryptSection(string clearXml, ProtectedConfigurationProvider provider) { XmlDocument xmlDocument = new XmlDocument(); xmlDocument.PreserveWhitespace = true; xmlDocument.LoadXml(clearXml); string sectionName = xmlDocument.DocumentElement.Name; XmlNode encNode = provider.Encrypt(xmlDocument.DocumentElement); return encNode.OuterXml; } ////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////// private static ConfigurationPropertyCollection _properties; private static readonly ConfigurationProperty _propProviders = new ConfigurationProperty("providers", typeof(ProtectedProviderSettings), new ProtectedProviderSettings(), ConfigurationPropertyOptions.None); private static readonly ConfigurationProperty _propDefaultProvider = new ConfigurationProperty("defaultProvider", typeof(string), "RsaProtectedConfigurationProvider", null, ConfigurationProperty.NonEmptyStringValidator, ConfigurationPropertyOptions.None); static ProtectedConfigurationSection() { // Property initialization _properties = new ConfigurationPropertyCollection(); _properties.Add(_propProviders); _properties.Add(_propDefaultProvider); } public ProtectedConfigurationSection() { } protected internal override ConfigurationPropertyCollection Properties { get { return _properties; } } private ProtectedProviderSettings _Providers { get { return (ProtectedProviderSettings)base[_propProviders]; } } [ConfigurationProperty("providers")] public ProviderSettingsCollection Providers { get { return _Providers.Providers; } } [ConfigurationProperty("defaultProvider", DefaultValue = "RsaProtectedConfigurationProvider")] public string DefaultProvider { get { return (string)base[_propDefaultProvider]; } set { base[_propDefaultProvider] = value; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. //------------------------------------------------------------------------------ //// Copyright (c) Microsoft Corporation. All rights reserved. // //----------------------------------------------------------------------------- namespace System.Configuration { using System.Collections; using System.Collections.Specialized; using System.Xml; using System.Globalization; using System.Security.Permissions; public sealed class ProtectedConfigurationSection : ConfigurationSection { internal ProtectedConfigurationProvider GetProviderFromName(string providerName) { ProviderSettings ps = Providers[providerName]; if (ps == null) { throw new Exception(SR.GetString(SR.ProtectedConfigurationProvider_not_found, providerName)); } return InstantiateProvider(ps); } internal ProtectedConfigurationProviderCollection GetAllProviders() { ProtectedConfigurationProviderCollection coll = new ProtectedConfigurationProviderCollection(); foreach(ProviderSettings ps in Providers) { coll.Add(InstantiateProvider(ps)); } return coll; } [PermissionSet(SecurityAction.Assert, Unrestricted=true)] private ProtectedConfigurationProvider CreateAndInitializeProviderWithAssert(Type t, ProviderSettings pn) { ProtectedConfigurationProvider provider = (ProtectedConfigurationProvider)TypeUtil.CreateInstanceWithReflectionPermission(t); NameValueCollection pars = pn.Parameters; NameValueCollection cloneParams = new NameValueCollection(pars.Count); foreach (string key in pars) { cloneParams[key] = pars[key]; } provider.Initialize(pn.Name, cloneParams); return provider; } private ProtectedConfigurationProvider InstantiateProvider(ProviderSettings pn) { Type t = TypeUtil.GetTypeWithReflectionPermission(pn.Type, true); if (!typeof(ProtectedConfigurationProvider).IsAssignableFrom(t)) { throw new Exception(SR.GetString(SR.WrongType_of_Protected_provider)); } // Needs to check APTCA bit. See VSWhidbey 429996. if (!TypeUtil.IsTypeAllowedInConfig(t)) { throw new Exception(SR.GetString(SR.Type_from_untrusted_assembly, t.FullName)); } // Needs to check Assert Fulltrust in order for runtime to work. See VSWhidbey 429996. return CreateAndInitializeProviderWithAssert(t, pn); } internal static string DecryptSection(string encryptedXml, ProtectedConfigurationProvider provider) { XmlDocument doc = new XmlDocument(); doc.LoadXml(encryptedXml); XmlNode resultNode = provider.Decrypt(doc.DocumentElement); return resultNode.OuterXml; } private const string EncryptedSectionTemplate = "<{0} {1}=\"{2}\"> {3} {0}>"; internal static string FormatEncryptedSection(string encryptedXml, string sectionName, string providerName) { return String.Format(CultureInfo.InvariantCulture, EncryptedSectionTemplate, sectionName, // The section to encrypt BaseConfigurationRecord.KEYWORD_PROTECTION_PROVIDER, // protectionProvider keyword providerName, // The provider name encryptedXml // the encrypted xml ); } internal static string EncryptSection(string clearXml, ProtectedConfigurationProvider provider) { XmlDocument xmlDocument = new XmlDocument(); xmlDocument.PreserveWhitespace = true; xmlDocument.LoadXml(clearXml); string sectionName = xmlDocument.DocumentElement.Name; XmlNode encNode = provider.Encrypt(xmlDocument.DocumentElement); return encNode.OuterXml; } ////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////// ////////////////////////////////////////////////////////////////////// private static ConfigurationPropertyCollection _properties; private static readonly ConfigurationProperty _propProviders = new ConfigurationProperty("providers", typeof(ProtectedProviderSettings), new ProtectedProviderSettings(), ConfigurationPropertyOptions.None); private static readonly ConfigurationProperty _propDefaultProvider = new ConfigurationProperty("defaultProvider", typeof(string), "RsaProtectedConfigurationProvider", null, ConfigurationProperty.NonEmptyStringValidator, ConfigurationPropertyOptions.None); static ProtectedConfigurationSection() { // Property initialization _properties = new ConfigurationPropertyCollection(); _properties.Add(_propProviders); _properties.Add(_propDefaultProvider); } public ProtectedConfigurationSection() { } protected internal override ConfigurationPropertyCollection Properties { get { return _properties; } } private ProtectedProviderSettings _Providers { get { return (ProtectedProviderSettings)base[_propProviders]; } } [ConfigurationProperty("providers")] public ProviderSettingsCollection Providers { get { return _Providers.Providers; } } [ConfigurationProperty("defaultProvider", DefaultValue = "RsaProtectedConfigurationProvider")] public string DefaultProvider { get { return (string)base[_propDefaultProvider]; } set { base[_propDefaultProvider] = value; } } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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