Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.IdentityModel/System/IdentityModel/Claims/AuthorizationContext.cs

@@ -0,0 +1,104 @@
+//------------------------------------------------------------------------------
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+//------------------------------------------------------------------------------
+
+using System;
+using System.Collections.Generic;
+using System.Collections.ObjectModel;
+using System.IdentityModel;
+
+
+namespace System.Security.Claims
+{
+    /// <summary>
+    /// This class is used to specify the context of the authorization event.
+    /// </summary>
+    public class AuthorizationContext
+    {   
+        Collection<System.Security.Claims.Claim> _action = new Collection<System.Security.Claims.Claim>();
+        Collection<System.Security.Claims.Claim> _resource = new Collection<System.Security.Claims.Claim>();
+        ClaimsPrincipal _principal;
+
+        /// <summary>
+        /// Creates an AuthorizationContext with the specified principal, resource, and action.
+        /// </summary>
+        /// <param name="principal">The principal to be authorized.</param>
+        /// <param name="resource">The resource to be authorized for.</param>
+        /// <param name="action">The action to be performed on the resource.</param>
+        /// <exception cref="ArgumentNullException">
+        /// <paramref name="principal"/> or <paramref name="resource"/> is set to null.
+        /// </exception>
+        public AuthorizationContext( ClaimsPrincipal principal, string resource, string action )
+        {
+            if ( principal == null )
+            {
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull( "principal" );
+            }
+
+            if ( string.IsNullOrEmpty( resource ) )
+            {
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull( "resource" );
+            }            
+
+            _principal = principal;
+            _resource.Add( new System.Security.Claims.Claim( ClaimTypes.Name, resource ) );
+            if ( action != null )
+            {
+                _action.Add( new System.Security.Claims.Claim( ClaimTypes.Name, action ) );
+            }
+        }
+
+        /// <summary>
+        /// Creates an AuthorizationContext with the specified principal, resource, and action.
+        /// </summary>
+        /// <param name="principal">The principal to check authorization for</param>
+        /// <param name="resource">The resource for checking authorization to</param>
+        /// <param name="action">The action to be performed on the resource</param>
+        /// <exception cref="ArgumentNullException">When <paramref name="principal"/> or <paramref name="resource"/> or <paramref name="action"/> is null</exception>
+        public AuthorizationContext( ClaimsPrincipal principal, Collection<System.Security.Claims.Claim> resource, Collection<System.Security.Claims.Claim> action )
+        {
+            if ( principal == null )
+            {
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull( "principal" );
+            }
+
+            if ( resource == null )
+            {
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull( "resource" );
+            }
+
+            if ( action == null )
+            {
+                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull( "action" );
+            }
+
+            _principal = principal;
+            _resource = resource;
+            _action = action;
+        }
+
+        /// <summary>
+        /// Gets the authorization action
+        /// </summary>
+        public Collection<System.Security.Claims.Claim> Action
+        {
+            get { return _action; }
+        }
+
+        /// <summary>
+        /// Gets the authorization resource
+        /// </summary>
+        public Collection<System.Security.Claims.Claim> Resource
+        {
+            get { return _resource; }
+        }
+
+        /// <summary>
+        /// Gets the authorization principal
+        /// </summary>
+        public ClaimsPrincipal Principal
+        {
+            get { return _principal; }
+        }
+    }
+}