Imported Upstream version 4.6.0.125

Former-commit-id: a2155e9bd80020e49e72e86c44da02a8ac0e57a4

mcs/class/referencesource/System.Web.Extensions/ApplicationServices/RoleService.cs

@@ -0,0 +1,119 @@
+//------------------------------------------------------------------------------
+// <copyright file="RolesService.cs" company="Microsoft">
+//     Copyright (c) Microsoft Corporation.  All rights reserved.
+// </copyright>
+//------------------------------------------------------------------------------
+
+namespace System.Web.ApplicationServices {
+    using System;
+    using System.Diagnostics.CodeAnalysis;
+    using System.ServiceModel;
+    using System.ServiceModel.Activation;
+    using System.ServiceModel.Configuration;
+    using System.Runtime.Serialization;
+    using System.Web;
+    using System.Web.Security;
+    using System.Web.Configuration;
+    using System.Web.Management;
+    using System.Web.Resources;
+    using System.Security.Principal;
+    using System.Web.Hosting;
+    using System.Threading;
+    using System.Configuration.Provider;
+
+    [
+    AspNetCompatibilityRequirements(RequirementsMode = AspNetCompatibilityRequirementsMode.Required),
+    ServiceContract(Namespace = "http://asp.net/ApplicationServices/v200"),
+    ServiceBehavior(Namespace="http://asp.net/ApplicationServices/v200", InstanceContextMode = InstanceContextMode.Single, ConcurrencyMode = ConcurrencyMode.Multiple)
+    ]
+    public class RoleService {
+        private static object _selectingProviderEventHandlerLock = new object();
+        private static EventHandler<SelectingProviderEventArgs> _selectingProvider;
+
+        public static event EventHandler<SelectingProviderEventArgs> SelectingProvider {
+            add {
+                lock (_selectingProviderEventHandlerLock) {
+                    _selectingProvider += value;
+                }
+            }
+            remove {
+                lock (_selectingProviderEventHandlerLock) {
+                    _selectingProvider -= value;
+                }
+            }
+        }
+
+        private static void EnsureProviderEnabled() {
+            if (!Roles.Enabled) {
+                throw new ProviderException(AtlasWeb.RoleService_RolesFeatureNotEnabled);
+            }
+        }
+
+        private RoleProvider GetRoleProvider(IPrincipal user) {
+            string providerName = Roles.Provider.Name;
+            SelectingProviderEventArgs args = new SelectingProviderEventArgs(user, providerName);
+            OnSelectingProvider(args);
+            providerName = args.ProviderName;
+            RoleProvider provider = Roles.Providers[providerName];
+            if (provider == null) {
+                throw new ProviderException(AtlasWeb.RoleService_RoleProviderNotFound);
+            }
+            return provider;
+        }
+
+        [OperationContract]
+        public string[] GetRolesForCurrentUser() {
+            try {
+                ApplicationServiceHelper.EnsureRoleServiceEnabled();
+                EnsureProviderEnabled();
+
+                IPrincipal user = ApplicationServiceHelper.GetCurrentUser(HttpContext.Current);
+                string username = ApplicationServiceHelper.GetUserName(user);
+                RoleProvider provider = GetRoleProvider(user);
+
+                return provider.GetRolesForUser(username);
+            }
+            catch (Exception e) {
+                LogException(e);
+                throw;
+            }
+        }
+
+        [OperationContract]
+        public bool IsCurrentUserInRole(string role) {
+            if (role == null) {
+                throw new ArgumentNullException("role");
+            }
+
+            try {
+                ApplicationServiceHelper.EnsureRoleServiceEnabled();
+                EnsureProviderEnabled();
+
+                IPrincipal user = ApplicationServiceHelper.GetCurrentUser(HttpContext.Current);
+                string username = ApplicationServiceHelper.GetUserName(user);
+                RoleProvider provider = GetRoleProvider(user);
+
+                return provider.IsUserInRole(username, role);
+            }
+            catch (Exception e) {
+                LogException(e);
+                throw;
+            }
+        }
+
+        private void LogException(Exception e) {
+            WebServiceErrorEvent errorevent = new WebServiceErrorEvent(AtlasWeb.UnhandledExceptionEventLogMessage, this, e);
+            errorevent.Raise();
+        }
+
+        private void OnSelectingProvider(SelectingProviderEventArgs e) {
+            EventHandler<SelectingProviderEventArgs> handler = _selectingProvider;
+            if (handler != null) {
+                handler(this, e);
+            }
+        }
+
+        public RoleService() {
+        }
+    }
+}