Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.IdentityModel/System/IdentityModel/Protocols/WSTrust/Renewing.cs

@@ -0,0 +1,83 @@
+//-----------------------------------------------------------------------
+// <copyright file="Renewing.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//-----------------------------------------------------------------------
+
+namespace System.IdentityModel.Protocols.WSTrust
+{
+    /// <summary>
+    /// This defines the Renewing element inside the RequestSecurityToken message. 
+    /// </summary>
+    /// <remarks>
+    /// The presence of Renewing element indicates the token issuer that the requested token
+    /// can be renewed if allow attribute is true, and the token can be renewed after
+    /// it expires if ok is true.
+    /// </remarks>
+    public class Renewing
+    {
+        bool _allowRenewal = true;
+        bool _okForRenewalAfterExpiration; // false by default
+
+        /// <summary>
+        /// Initializes a renewing object with AllowRenewal attribute equals to true, and 
+        /// OkForRenewalAfterExpiration attribute equals false.
+        /// </summary>
+        public Renewing()
+        {
+        }
+
+        /// <summary>
+        /// Initializes a renewing object with specified allow and OK attributes.
+        /// </summary>
+        public Renewing( bool allowRenewal, bool okForRenewalAfterExpiration )
+        {
+            _allowRenewal = allowRenewal;
+            _okForRenewalAfterExpiration = okForRenewalAfterExpiration;
+        }
+
+        /// <summary>
+        /// Returns true if it is allowed to renew this token.
+        /// </summary>
+        /// <remarks>
+        /// This optional boolean attribute is used to request a renewable token. Default value is true. 
+        /// </remarks>
+        /// <devdocs>
+        /// Please refer to section 7 in the WS-Trust spec for more details.
+        /// </devdocs>
+        public bool AllowRenewal
+        {
+            get
+            {
+                return _allowRenewal;
+            }
+            set
+            {
+                _allowRenewal = value;
+            }
+        }
+
+        /// <summary>
+        /// Returns true if the requested token can be renewed after it expires.
+        /// </summary>
+        /// <remarks>
+        /// This optional boolean attriubte is used to indicate that a renewable token is acceptable if
+        /// the requested duration exceeds the limit of the issuance service. That is, if true, then the 
+        /// token can be renewed after their expiration. Default value is false for security reason. 
+        /// </remarks>
+        /// <devdocs>
+        /// Please refer to section 7 in the WS-Trust spec for more details.
+        /// </devdocs>
+        public bool OkForRenewalAfterExpiration
+        {
+            get
+            {
+                return _okForRenewalAfterExpiration;
+            }
+            set
+            {
+                _okForRenewalAfterExpiration = value;
+            }
+        }
+    }
+}