Code:
/ WCF / WCF / 3.5.30729.1 / untmp / Orcas / SP / ndp / cdf / src / WCF / ServiceModel / System / ServiceModel / Activation / HostedTransportConfigurationManager.cs / 1 / HostedTransportConfigurationManager.cs
//---------------------------------------------------------------------------- // Copyright (c) Microsoft Corporation. All rights reserved. //--------------------------------------------------------------------------- namespace System.ServiceModel.Activation { using System.Collections; using System.Collections.Generic; using System.ServiceModel; using System.ServiceModel.Channels; using System.ServiceModel.Diagnostics; using System.Diagnostics; using System.Reflection; using System.Globalization; using System.Runtime.Serialization; using System.ServiceModel.Configuration; using System.Security; using System.Security.Permissions; class HostedTransportConfigurationManager { IDictionaryconfigurations = new Dictionary (StringComparer.Ordinal); bool initialized = false; MetabaseSettings metabaseSettings; static HostedTransportConfigurationManager singleton; static object syncRoot = new object(); #pragma warning disable 436 const string WasHostingAssemblyName = "System.ServiceModel.WasHosting, Version=" + ThisAssembly.Version + ", Culture=neutral, PublicKeyToken=" + AssemblyRef.EcmaPublicKey; const string MetabaseSettingsIis7FactoryTypeName = "System.ServiceModel.WasHosting.MetabaseSettingsIis7Factory, " + WasHostingAssemblyName; #pragma warning restore 436 const string CreateMetabaseSettingsIis7MethodName = "CreateMetabaseSettings"; HostedTransportConfigurationManager() { if (!Iis7Helper.IsIis7) { metabaseSettings = new MetabaseSettingsIis6(); } else { metabaseSettings = CreateWasHostingMetabaseSettings(); } } HostedTransportConfigurationManager(MetabaseSettings metabaseSettings) { this.metabaseSettings = metabaseSettings; } /// /// Critical - Calls Critical methods CreateMetabaseSettings /// Safe - Ensures that only the correct, well-known method is called to construct the metabase settings /// no other details are leaked, and no control flow or data is allowed in. /// [SecurityCritical, SecurityTreatAsSafe] static MetabaseSettingsIis CreateWasHostingMetabaseSettings() { Type type = Type.GetType(MetabaseSettingsIis7FactoryTypeName, false); if (type == null) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.Hosting_MetabaseSettingsIis7TypeNotFound, MetabaseSettingsIis7FactoryTypeName, WasHostingAssemblyName))); } return CreateMetabaseSettings(type); } ////// Critical - Asserts ReflectionPermission(MemberAccess) in order to call a well-known internal static in WasHosting.dll /// caller must ensure that 'type' argument refers to the trusted, well-known Type /// [SecurityCritical] static MetabaseSettingsIis CreateMetabaseSettings(Type type) { object instance = null; MethodInfo method = type.GetMethod(CreateMetabaseSettingsIis7MethodName, BindingFlags.NonPublic | BindingFlags.Static); try { new ReflectionPermission(ReflectionPermissionFlag.MemberAccess).Assert(); instance = method.Invoke(null, null); } finally { ReflectionPermission.RevertAssert(); } if (!(instance is MetabaseSettingsIis)) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.Hosting_BadMetabaseSettingsIis7Type, type.AssemblyQualifiedName))); } return (MetabaseSettingsIis)instance; } internal static void EnsureInitializedForSimpleApplicationHost(HostedHttpRequestAsyncResult result) { if (singleton != null) { return; } lock (syncRoot) { if (singleton != null) return; singleton = new HostedTransportConfigurationManager(new MetabaseSettingsCassini(result)); } } internal static MetabaseSettings MetabaseSettings { get { return HostedTransportConfigurationManager.Value.metabaseSettings; } } object ThisLock { get { return this; } } static HostedTransportConfigurationManager Value { get { if (singleton == null) { lock (syncRoot) { if (singleton == null) { ServiceHostingEnvironment.EnsureInitialized(); singleton = new HostedTransportConfigurationManager(); } } } return singleton; } } void EnsureInitialized() { if (!initialized) { lock (ThisLock) { if (!initialized) { // Register protocols. foreach (string protocol in metabaseSettings.GetProtocols()) { // special case HTTP, it's a legacy protocol if (string.CompareOrdinal(protocol, Uri.UriSchemeHttp) == 0 || string.CompareOrdinal(protocol, Uri.UriSchemeHttps) == 0) { HttpHostedTransportConfiguration httpConfiguration = null; if (string.CompareOrdinal(protocol, Uri.UriSchemeHttp) == 0) { httpConfiguration = new HttpHostedTransportConfiguration(); } else { httpConfiguration = new HttpsHostedTransportConfiguration(); } configurations.Add(protocol, httpConfiguration); } else { if (!Iis7Helper.IsIis7) { DiagnosticUtility.DebugAssert("HostedTransportConfigurationManager.EnsureInitialized() protocols other than http and https can only be configured in IIS7"); throw DiagnosticUtility.ExceptionUtility.ThrowHelperInternal(true); } if (PartialTrustHelpers.NeedPartialTrustInvoke) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.PartialTrustNonHttpActivation, protocol, HostingEnvironmentWrapper.ApplicationVirtualPath))); } AddHostedTransportConfigurationIis7(protocol); } } initialized = true; } } } } void AddHostedTransportConfigurationIis7(string protocol) { HostedTransportConfiguration configuration = null; try { ServiceHostingEnvironmentSection section = ServiceHostingEnvironmentSection.GetSection(); if (section.TransportConfigurationTypes.ContainsKey(protocol)) { TransportConfigurationTypeElement element = section.TransportConfigurationTypes[protocol]; Debug.Print("HostedTransportConfigurationManager.AddHostedTransportConfigurationIis7() found TransportConfigurationTypes for protocol: " + protocol + " name: " + element.TransportConfigurationType); Type type = Type.GetType(element.TransportConfigurationType); configuration = Activator.CreateInstance(type) as HostedTransportConfiguration; configurations.Add(protocol, configuration); } else { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.Hosting_ProtocolNoConfiguration, protocol))); } } catch (Exception exception) { if (!(DiagnosticUtility.IsFatal(exception))) { Debug.Print("HostedTransportConfigurationManager.AddHostedTransportConfigurationIis7() caught exception: " + exception); if (DiagnosticUtility.ShouldTraceError) { TraceUtility.TraceEvent(TraceEventType.Error, TraceCode.WebHostProtocolMisconfigured, new StringTraceRecord("Protocol", protocol), this, exception); } } throw; } } internal static Uri[] GetBaseAddresses(string virtualPath) { return HostedTransportConfigurationManager.Value.InternalGetBaseAddresses(virtualPath); } internal static HostedTransportConfiguration GetConfiguration(string scheme) { return HostedTransportConfigurationManager.Value.InternalGetConfiguration(scheme); } Uri[] InternalGetBaseAddresses(string virtualPath) { EnsureInitialized(); ListbaseAddresses = new List (); foreach (HostedTransportConfiguration configuration in configurations.Values) { baseAddresses.AddRange(configuration.GetBaseAddresses(virtualPath)); } return baseAddresses.ToArray(); } HostedTransportConfiguration InternalGetConfiguration(string scheme) { EnsureInitialized(); if (!configurations.ContainsKey(scheme)) { throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.Hosting_NotSupportedProtocol, scheme))); } return configurations[scheme]; } } } // File provided for Reference Use Only by Microsoft Corporation (c) 2007. // Copyright (c) Microsoft Corporation. All rights reserved.
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