Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.ServiceModel/System/ServiceModel/WSDualHttpSecurity.cs

@@ -0,0 +1,101 @@
+//------------------------------------------------------------
+// Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------
+namespace System.ServiceModel
+{
+    using System.Runtime;
+    using System.ServiceModel.Channels;
+    using System.ServiceModel.Configuration;
+    using System.ComponentModel;
+
+    public sealed class WSDualHttpSecurity
+    {
+        static readonly MessageSecurityVersion WSDualMessageSecurityVersion = MessageSecurityVersion.WSSecurity11WSTrustFebruary2005WSSecureConversationFebruary2005WSSecurityPolicy11BasicSecurityProfile10;
+
+        internal const WSDualHttpSecurityMode DefaultMode = WSDualHttpSecurityMode.Message;
+
+        WSDualHttpSecurityMode mode;
+        MessageSecurityOverHttp messageSecurity;
+
+        public WSDualHttpSecurity()
+            : this(DefaultMode, new MessageSecurityOverHttp())
+        {
+        }
+
+        WSDualHttpSecurity(WSDualHttpSecurityMode mode, MessageSecurityOverHttp messageSecurity)
+        {
+            Fx.Assert(WSDualHttpSecurityModeHelper.IsDefined(mode), string.Format("Invalid WSDualHttpSecurityMode value: {0}", mode.ToString()));
+
+            this.mode = mode;
+            this.messageSecurity = messageSecurity == null ? new MessageSecurityOverHttp() : messageSecurity;
+        }
+
+        public WSDualHttpSecurityMode Mode
+        {
+            get { return this.mode; }
+            set
+            {
+                if (!WSDualHttpSecurityModeHelper.IsDefined(value))
+                {
+                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value"));
+                }
+                this.mode = value;
+            }
+        }
+
+        public MessageSecurityOverHttp Message
+        {
+            get { return this.messageSecurity; }
+            set
+            {
+                this.messageSecurity = (value == null) ? new MessageSecurityOverHttp() : value;
+            }
+        }
+
+        internal SecurityBindingElement CreateMessageSecurity()
+        {
+            if (this.mode == WSDualHttpSecurityMode.Message)
+            {
+                return this.messageSecurity.CreateSecurityBindingElement(false, true, WSDualMessageSecurityVersion);
+            }
+            else
+            {
+                return null;
+            }
+        }
+
+        internal static bool TryCreate(SecurityBindingElement sbe, out WSDualHttpSecurity security)
+        {
+            security = null;
+            if (sbe == null)
+                security = new WSDualHttpSecurity(WSDualHttpSecurityMode.None, null);
+            else
+            {
+                MessageSecurityOverHttp messageSecurity;
+                if (!MessageSecurityOverHttp.TryCreate(sbe, false, true, out messageSecurity))
+                    return false;
+                security = new WSDualHttpSecurity(WSDualHttpSecurityMode.Message, messageSecurity);
+            }
+            // the last check: make sure that security binding element match the incoming security
+            return SecurityElement.AreBindingsMatching(security.CreateMessageSecurity(), sbe);
+        }
+
+        internal bool InternalShouldSerialize()
+        {
+            return this.ShouldSerializeMode()
+                || this.ShouldSerializeMessage();
+        }
+
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public bool ShouldSerializeMode()
+        {
+            return this.Mode != DefaultMode;
+        }
+
+        [EditorBrowsable(EditorBrowsableState.Never)]
+        public bool ShouldSerializeMessage()
+        {
+            return this.Message.InternalShouldSerialize();
+        }
+    }
+}