Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.ServiceModel/System/ServiceModel/Configuration/SecurityElement.cs

@@ -0,0 +1,94 @@
+//------------------------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------------------------
+
+namespace System.ServiceModel.Configuration
+{
+    using System.ComponentModel;
+    using System.ServiceModel.Channels;
+    using System.ServiceModel.Description;
+    using System.Configuration;
+    using System.Globalization;
+    using System.Net.Security;
+    using System.ServiceModel.Security;
+    using System.ServiceModel.Security.Tokens;
+    using System.Runtime.Remoting.Messaging;
+    using System.Xml;
+    using System.Collections.ObjectModel;
+    using System.Collections.Generic;
+    using System.IO;
+
+    public sealed partial class SecurityElement : SecurityElementBase
+    {
+        public SecurityElement()
+        {
+            this.SecureConversationBootstrap.IsSecurityElementBootstrap = true; // Tell the bootstrap it's potentially okay to optimize itself out of config representation
+        }
+
+        [ConfigurationProperty(ConfigurationStrings.SecureConversationBootstrap)]
+        public SecurityElementBase SecureConversationBootstrap
+        {
+            get { return (SecurityElementBase)base[ConfigurationStrings.SecureConversationBootstrap]; }
+        }
+
+        public override void CopyFrom(ServiceModelExtensionElement from)
+        {
+            base.CopyFrom(from);
+
+            SecurityElement source = (SecurityElement)from;
+
+#pragma warning suppress 56506 //[....]; base.CopyFrom() checks for 'from' being null
+            if (PropertyValueOrigin.Default != source.ElementInformation.Properties[ConfigurationStrings.SecureConversationBootstrap].ValueOrigin)
+                this.SecureConversationBootstrap.CopyFrom(source.SecureConversationBootstrap);
+        }
+
+        protected internal override BindingElement CreateBindingElement(bool createTemplateOnly)
+        {
+            SecurityBindingElement result;
+            if (this.AuthenticationMode == AuthenticationMode.SecureConversation)
+            {
+                if (this.SecureConversationBootstrap == null)
+                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.SecureConversationNeedsBootstrapSecurity)));
+                if (this.SecureConversationBootstrap.AuthenticationMode == AuthenticationMode.SecureConversation)
+                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new InvalidOperationException(SR.GetString(SR.SecureConversationBootstrapCannotUseSecureConversation)));
+                SecurityBindingElement bootstrapSecurity = (SecurityBindingElement)this.SecureConversationBootstrap.CreateBindingElement(createTemplateOnly);
+                result = SecurityBindingElement.CreateSecureConversationBindingElement(bootstrapSecurity, this.RequireSecurityContextCancellation);
+            }
+            else
+            {
+                result = (SecurityBindingElement)base.CreateBindingElement(createTemplateOnly);
+            }
+
+            this.ApplyConfiguration(result);
+
+            return result;
+        }
+
+        protected override void AddBindingTemplates(Dictionary<AuthenticationMode, SecurityBindingElement> bindingTemplates)
+        {
+            base.AddBindingTemplates(bindingTemplates);
+            AddBindingTemplate(bindingTemplates, AuthenticationMode.SecureConversation);
+        }
+   
+        void InitializeSecureConversationParameters(SecureConversationSecurityTokenParameters sc, bool initializeNestedBindings)
+        {
+            SetPropertyValueIfNotDefaultValue(ConfigurationStrings.RequireSecurityContextCancellation, sc.RequireCancellation);
+            this.CanRenewSecurityContextToken = sc.CanRenewSession; // can't use default value optimization here because ApplyConfiguration relies on the runtime default instead, which is the opposite of the config default
+            if (sc.BootstrapSecurityBindingElement != null)
+            {
+                this.SecureConversationBootstrap.InitializeFrom(sc.BootstrapSecurityBindingElement, initializeNestedBindings);
+            }
+        }
+
+        protected override void InitializeNestedTokenParameterSettings(SecurityTokenParameters sp, bool initializeNestedBindings)
+        {
+            if (sp is SecureConversationSecurityTokenParameters)
+                this.InitializeSecureConversationParameters((SecureConversationSecurityTokenParameters)sp, initializeNestedBindings);
+            else
+                base.InitializeNestedTokenParameterSettings(sp, initializeNestedBindings);
+        }
+    }
+}
+
+
+