Code:
/ FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / fx / src / xsp / System / Web / Security / Roles.cs / 3 / Roles.cs
//------------------------------------------------------------------------------
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
//-----------------------------------------------------------------------------
namespace System.Web.Security {
using System.Web;
using System.Web.Configuration;
using System.Web.Management;
using System.Security.Principal;
using System.Security.Permissions;
using System.Globalization;
using System.Runtime.Serialization;
using System.Collections;
using System.Configuration.Provider;
using System.Configuration;
using System.Web.Hosting;
using System.Threading;
using System.Web.Util;
using System.Collections.Specialized;
///
/// [To be supplied.]
///
// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
// This has no hosting permission demands because of DevDiv Bugs 31461: ClientAppSvcs: ASP.net Provider support
static public class Roles
{
static public RoleProvider Provider { get { EnsureEnabled(); return s_Provider;} }
static public RoleProviderCollection Providers { get { EnsureEnabled(); return s_Providers;} }
static public string CookieName { get { Initialize(); return s_CookieName; }}
static public bool CacheRolesInCookie { get { Initialize(); return s_CacheRolesInCookie; }}
static public int CookieTimeout { get { Initialize(); return s_CookieTimeout; }}
static public string CookiePath { get { Initialize(); return s_CookiePath; }}
static public bool CookieRequireSSL { get { Initialize(); return s_CookieRequireSSL; }}
static public bool CookieSlidingExpiration { get { Initialize(); return s_CookieSlidingExpiration; }}
static public CookieProtection CookieProtectionValue { get { Initialize(); return s_CookieProtection; }}
static public bool CreatePersistentCookie { get { Initialize(); return s_CreatePersistentCookie; } }
static public string Domain { get { Initialize(); return s_Domain; } }
static public int MaxCachedResults { get { Initialize(); return s_MaxCachedResults; } }
static public bool Enabled
{
get {
if (HostingEnvironment.IsHosted && !HttpRuntime.HasAspNetHostingPermission(AspNetHostingPermissionLevel.Low))
return false;
if (!s_Initialized && !s_EnabledSet) {
RoleManagerSection config = RuntimeConfig.GetAppConfig().RoleManager;
s_Enabled = config.Enabled;
s_EnabledSet = true;
}
return s_Enabled;
}
}
static public string ApplicationName
{
get { return Provider.ApplicationName; }
set { Provider.ApplicationName = value; }
}
// authorization
static public bool IsUserInRole(string username, string roleName) {
if (HostingEnvironment.IsHosted && EtwTrace.IsTraceEnabled(EtwTraceLevel.Information, EtwTraceFlags.AppSvc))
EtwTrace.Trace(EtwTraceType.ETW_TYPE_ROLE_BEGIN, HttpContext.Current.WorkerRequest);
EnsureEnabled();
bool isUserInRole = false;
bool isRolePrincipal = false;
try {
SecUtility.CheckParameter(ref roleName, true, true, true, 0, "roleName");
SecUtility.CheckParameter(ref username, true, false, true, 0, "username");
if (username.Length < 1)
return false;
IPrincipal user = GetCurrentUser();
if (user != null && user is RolePrincipal && ((RolePrincipal)user).ProviderName == Provider.Name && StringUtil.EqualsIgnoreCase(username, user.Identity.Name))
isUserInRole = user.IsInRole(roleName);
else
isUserInRole = Provider.IsUserInRole(username, roleName);
return isUserInRole;
} finally {
if (HostingEnvironment.IsHosted && EtwTrace.IsTraceEnabled(EtwTraceLevel.Information, EtwTraceFlags.AppSvc)) {
if (EtwTrace.IsTraceEnabled(EtwTraceLevel.Verbose, EtwTraceFlags.AppSvc)) {
string status = SR.Resources.GetString(isUserInRole ? SR.Etw_Success : SR.Etw_Failure, CultureInfo.InstalledUICulture);
EtwTrace.Trace(EtwTraceType.ETW_TYPE_ROLE_IS_USER_IN_ROLE, HttpContext.Current.WorkerRequest, isRolePrincipal ? "RolePrincipal" : Provider.GetType().FullName, username, roleName, status);
}
EtwTrace.Trace(EtwTraceType.ETW_TYPE_ROLE_END, HttpContext.Current.WorkerRequest, isRolePrincipal ? "RolePrincipal" : Provider.GetType().FullName, username);
}
}
}
static public bool IsUserInRole(string roleName) {
return IsUserInRole(GetCurrentUserName(), roleName);
}
static public string[] GetRolesForUser (string username){
if (HostingEnvironment.IsHosted && EtwTrace.IsTraceEnabled(EtwTraceLevel.Information, EtwTraceFlags.AppSvc))
EtwTrace.Trace(EtwTraceType.ETW_TYPE_ROLE_BEGIN, HttpContext.Current.WorkerRequest);
EnsureEnabled();
string[] roles = null;
bool isRolePrincipal = false;
try {
SecUtility.CheckParameter(ref username, true, false, true, 0, "username");
if (username.Length < 1) {
roles = new string[0];
return roles;
}
IPrincipal user = GetCurrentUser();
if (user != null && user is RolePrincipal && ((RolePrincipal)user).ProviderName == Provider.Name && StringUtil.EqualsIgnoreCase(username, user.Identity.Name)) {
roles = ((RolePrincipal)user).GetRoles();
isRolePrincipal = true;
} else {
roles = Provider.GetRolesForUser(username);
}
return roles;
} finally {
if (HostingEnvironment.IsHosted && EtwTrace.IsTraceEnabled(EtwTraceLevel.Information, EtwTraceFlags.AppSvc)) {
if (EtwTrace.IsTraceEnabled(EtwTraceLevel.Verbose, EtwTraceFlags.AppSvc)) {
string roleNames = null;
if (roles != null && roles.Length > 0)
roleNames = roles[0];
for (int i = 1; i < roles.Length; i++)
roleNames += "," + roles[i];
EtwTrace.Trace(EtwTraceType.ETW_TYPE_ROLE_GET_USER_ROLES, HttpContext.Current.WorkerRequest, isRolePrincipal ? "RolePrincipal" : Provider.GetType().FullName, username, roleNames, null);
}
EtwTrace.Trace(EtwTraceType.ETW_TYPE_ROLE_END, HttpContext.Current.WorkerRequest, isRolePrincipal ? "RolePrincipal" : Provider.GetType().FullName, username);
}
}
}
static public string[] GetRolesForUser (){
return GetRolesForUser(GetCurrentUserName());
}
// role administration
//
static public string[] GetUsersInRole(string roleName){
EnsureEnabled();
SecUtility.CheckParameter(ref roleName, true, true, true, 0, "roleName");
return Provider.GetUsersInRole(roleName);
}
static public void CreateRole(string roleName){
EnsureEnabled();
SecUtility.CheckParameter(ref roleName, true, true, true, 0, "roleName");
Provider.CreateRole(roleName);
}
static public bool DeleteRole(string roleName, bool throwOnPopulatedRole){
EnsureEnabled();
SecUtility.CheckParameter(ref roleName, true, true, true, 0, "roleName");
bool roleDeleted = Provider.DeleteRole(roleName, throwOnPopulatedRole);
try {
RolePrincipal user = GetCurrentUser() as RolePrincipal;
if (user != null && user.ProviderName == Provider.Name && user.IsRoleListCached && user.IsInRole(roleName))
user.SetDirty();
}
catch { }
return roleDeleted;
}
static public bool DeleteRole(string roleName)
{
return DeleteRole(roleName, true);
}
static public bool RoleExists(string roleName){
EnsureEnabled();
SecUtility.CheckParameter(ref roleName, true, true, true, 0, "roleName");
return Provider.RoleExists(roleName);
}
static public void AddUserToRole(string username, string roleName){
EnsureEnabled();
SecUtility.CheckParameter(ref roleName, true, true, true, 0, "roleName");
SecUtility.CheckParameter(ref username, true, true, true, 0, "username");
Provider.AddUsersToRoles(new string [] {username}, new string [] {roleName});
try
{
RolePrincipal user = GetCurrentUser() as RolePrincipal;
if (user != null && user.ProviderName == Provider.Name && user.IsRoleListCached && StringUtil.EqualsIgnoreCase(user.Identity.Name, username))
user.SetDirty();
}
catch { }
}
static public void AddUserToRoles(string username, string[] roleNames){
EnsureEnabled();
SecUtility.CheckParameter(ref username, true, true, true, 0, "username");
SecUtility.CheckArrayParameter( ref roleNames,
true,
true,
true,
0,
"roleNames");
Provider.AddUsersToRoles(new string [] {username}, roleNames);
try
{
RolePrincipal user = GetCurrentUser() as RolePrincipal;
if (user != null && user.ProviderName == Provider.Name && user.IsRoleListCached && StringUtil.EqualsIgnoreCase(user.Identity.Name, username))
user.SetDirty();
}
catch { }
}
static public void AddUsersToRole(string[] usernames, string roleName){
EnsureEnabled();
SecUtility.CheckParameter(ref roleName, true, true, true, 0, "roleName");
SecUtility.CheckArrayParameter( ref usernames,
true,
true,
true,
0,
"usernames");
Provider.AddUsersToRoles(usernames, new string [] {roleName});
try
{
RolePrincipal user = GetCurrentUser() as RolePrincipal;
if (user != null && user.ProviderName == Provider.Name && user.IsRoleListCached)
foreach(string username in usernames)
if (StringUtil.EqualsIgnoreCase(user.Identity.Name, username))
{
user.SetDirty();
break;
}
}
catch { }
}
static public void AddUsersToRoles(string[] usernames, string [] roleNames){
EnsureEnabled();
SecUtility.CheckArrayParameter( ref roleNames,
true,
true,
true,
0,
"roleNames");
SecUtility.CheckArrayParameter( ref usernames,
true,
true,
true,
0,
"usernames");
Provider.AddUsersToRoles(usernames, roleNames);
try
{
RolePrincipal user = GetCurrentUser() as RolePrincipal;
if (user != null && user.ProviderName == Provider.Name && user.IsRoleListCached)
foreach (string username in usernames)
if (StringUtil.EqualsIgnoreCase(user.Identity.Name, username))
{
user.SetDirty();
break;
}
}
catch { }
}
static public void RemoveUserFromRole(string username, string roleName){
EnsureEnabled();
SecUtility.CheckParameter(ref roleName, true, true, true, 0, "roleName");
SecUtility.CheckParameter(ref username, true, true, true, 0, "username");
Provider.RemoveUsersFromRoles(new string [] {username}, new string [] {roleName});
try
{
RolePrincipal user = GetCurrentUser() as RolePrincipal;
if (user != null && user.ProviderName == Provider.Name && user.IsRoleListCached && StringUtil.EqualsIgnoreCase(user.Identity.Name, username))
user.SetDirty();
}
catch { }
}
static public void RemoveUserFromRoles(string username, string[] roleNames){
EnsureEnabled();
SecUtility.CheckParameter(ref username, true, true, true, 0, "username");
SecUtility.CheckArrayParameter( ref roleNames,
true,
true,
true,
0,
"roleNames");
Provider.RemoveUsersFromRoles(new string [] {username}, roleNames);
try
{
RolePrincipal user = GetCurrentUser() as RolePrincipal;
if (user != null && user.ProviderName == Provider.Name && user.IsRoleListCached && StringUtil.EqualsIgnoreCase(user.Identity.Name, username))
user.SetDirty();
}
catch { }
}
static public void RemoveUsersFromRole(string[] usernames, string roleName){
EnsureEnabled();
SecUtility.CheckParameter(ref roleName, true, true, true, 0, "roleName");
SecUtility.CheckArrayParameter( ref usernames,
true,
true,
true,
0,
"usernames");
Provider.RemoveUsersFromRoles(usernames, new string[] { roleName });
try
{
RolePrincipal user = GetCurrentUser() as RolePrincipal;
if (user != null && user.ProviderName == Provider.Name && user.IsRoleListCached)
foreach (string username in usernames)
if (StringUtil.EqualsIgnoreCase(user.Identity.Name, username))
{
user.SetDirty();
break;
}
}
catch { }
}
static public void RemoveUsersFromRoles(string[] usernames, string [] roleNames){
EnsureEnabled();
SecUtility.CheckArrayParameter( ref roleNames,
true,
true,
true,
0,
"roleNames");
SecUtility.CheckArrayParameter( ref usernames,
true,
true,
true,
0,
"usernames");
Provider.RemoveUsersFromRoles(usernames, roleNames);
try
{
RolePrincipal user = GetCurrentUser() as RolePrincipal;
if (user != null && user.ProviderName == Provider.Name && user.IsRoleListCached)
foreach (string username in usernames)
if (StringUtil.EqualsIgnoreCase(user.Identity.Name, username))
{
user.SetDirty();
break;
}
}
catch { }
}
public static string[] GetAllRoles() {
EnsureEnabled();
return Provider.GetAllRoles();
}
public static void DeleteCookie() {
EnsureEnabled();
if (CookieName == null || CookieName.Length < 1)
return;
HttpContext context = HttpContext.Current;
if (context == null || !context.Request.Browser.Cookies)
return;
string cookieValue = String.Empty;
if (context.Request.Browser["supportsEmptyStringInCookieValue"] == "false")
cookieValue = "NoCookie";
HttpCookie cookie = new HttpCookie(CookieName, cookieValue);
cookie.HttpOnly = true;
cookie.Path = CookiePath;
cookie.Domain = Domain;
cookie.Expires = new System.DateTime(1999, 10, 12);
cookie.Secure = CookieRequireSSL;
context.Response.Cookies.RemoveCookie(CookieName);
context.Response.Cookies.Add(cookie);
}
static public string[] FindUsersInRole(string roleName, string usernameToMatch)
{
EnsureEnabled();
SecUtility.CheckParameter(ref roleName, true, true, true, 0, "roleName");
SecUtility.CheckParameter( ref usernameToMatch,
true,
true,
false,
0,
"usernameToMatch");
return Provider.FindUsersInRole(roleName, usernameToMatch);
}
static private void EnsureEnabled()
{
Initialize();
if (!s_Enabled)
throw new ProviderException(SR.GetString(SR.Roles_feature_not_enabled));
}
static private void Initialize()
{
if (s_Initialized) {
if (s_InitializeException != null)
throw s_InitializeException;
return;
}
lock (s_lock) {
if (s_Initialized) {
if (s_InitializeException != null)
throw s_InitializeException;
return;
}
try
{
if (HostingEnvironment.IsHosted)
HttpRuntime.CheckAspNetHostingPermission(AspNetHostingPermissionLevel.Low, SR.Feature_not_supported_at_this_level);
RoleManagerSection settings = RuntimeConfig.GetAppConfig().RoleManager;
//s_InitializeException = new ProviderException(SR.GetString(SR.Roles_feature_not_enabled));
s_Enabled = settings.Enabled;
s_CookieName = settings.CookieName;
s_CacheRolesInCookie = settings.CacheRolesInCookie;
s_CookieTimeout = (int)settings.CookieTimeout.TotalMinutes;
s_CookiePath = settings.CookiePath;
s_CookieRequireSSL = settings.CookieRequireSSL;
s_CookieSlidingExpiration = settings.CookieSlidingExpiration;
s_CookieProtection = settings.CookieProtection;
s_Domain = settings.Domain;
s_CreatePersistentCookie = settings.CreatePersistentCookie;
s_MaxCachedResults = settings.MaxCachedResults;
if (s_Enabled) { // Instantiate providers only if feature is enabled
if (s_MaxCachedResults < 0)
{
throw new ProviderException(SR.GetString(SR.Value_must_be_non_negative_integer, "maxCachedResults"));
}
s_Providers = new RoleProviderCollection();
if (HostingEnvironment.IsHosted) {
ProvidersHelper.InstantiateProviders(settings.Providers, s_Providers, typeof(RoleProvider));
} else {
foreach (ProviderSettings ps in settings.Providers) {
Type t = Type.GetType(ps.Type, true, true);
if (!typeof(RoleProvider).IsAssignableFrom(t))
throw new ArgumentException(SR.GetString(SR.Provider_must_implement_type, typeof(RoleProvider).ToString()));
RoleProvider provider = (RoleProvider)Activator.CreateInstance(t);
NameValueCollection pars = ps.Parameters;
NameValueCollection cloneParams = new NameValueCollection(pars.Count, StringComparer.Ordinal);
foreach (string key in pars)
cloneParams[key] = pars[key];
provider.Initialize(ps.Name, cloneParams);
s_Providers.Add(provider);
}
}
s_Providers.SetReadOnly();
if (settings.DefaultProvider == null) {
s_InitializeException = new ProviderException(SR.GetString(SR.Def_role_provider_not_specified));
} else {
try {
s_Provider = s_Providers[settings.DefaultProvider];
} catch { }
}
if (s_Provider == null) {
s_InitializeException = new ConfigurationErrorsException(SR.GetString(SR.Def_role_provider_not_found), settings.ElementInformation.Properties["defaultProvider"].Source, settings.ElementInformation.Properties["defaultProvider"].LineNumber);
}
}
} catch (Exception e) {
s_InitializeException = e;
}
s_Initialized = true;
}
if (s_InitializeException != null)
throw s_InitializeException;
}
static private RoleProvider s_Provider;
static private bool s_Enabled;
static private string s_CookieName;
static private bool s_CacheRolesInCookie;
static private int s_CookieTimeout;
static private string s_CookiePath;
static private bool s_CookieRequireSSL;
static private bool s_CookieSlidingExpiration;
static private CookieProtection s_CookieProtection;
static private string s_Domain;
static private bool s_Initialized;
static private bool s_EnabledSet;
static private RoleProviderCollection s_Providers;
private static Exception s_InitializeException = null;
private static bool s_CreatePersistentCookie;
private static object s_lock = new object();
private static int s_MaxCachedResults = 25;
private static string GetCurrentUserName()
{
IPrincipal user = GetCurrentUser();
if (user == null || user.Identity == null)
return String.Empty;
else
return user.Identity.Name;
}
private static IPrincipal GetCurrentUser()
{
if (HostingEnvironment.IsHosted) {
HttpContext cur = HttpContext.Current;
if (cur != null)
return cur.User;
}
return Thread.CurrentPrincipal;
}
}
////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
// [AspNetHostingPermission(SecurityAction.LinkDemand, Level=AspNetHostingPermissionLevel.Minimal)]
// This has no hosting permission demands because of DevDiv Bugs 31461: ClientAppSvcs: ASP.net Provider support
public sealed class RoleProviderCollection : ProviderCollection
{
public override void Add(ProviderBase provider) {
if( provider == null )
{
throw new ArgumentNullException( "provider" );
}
if( !( provider is RoleProvider ) )
{
throw new ArgumentException(SR.GetString(SR.Provider_must_implement_type, typeof(RoleProvider).ToString()), "provider");
}
base.Add(provider);
}
new public RoleProvider this[string name] {
get {
return (RoleProvider) base[name];
}
}
public void CopyTo(RoleProvider [] array, int index)
{
base.CopyTo(array, index);
}
}
}
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