122 lines
3.6 KiB
C#
122 lines
3.6 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="FormsIdentity.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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//------------------------------------------------------------------------------
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/*
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* FormsIdentity
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*
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* Copyright (c) 1999 Microsoft Corporation
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*/
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namespace System.Web.Security {
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using System.Collections.Generic;
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using System.Runtime.InteropServices;
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using System.Runtime.Serialization;
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using System.Security;
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using System.Security.Claims;
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using System.Security.Permissions;
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/// <devdoc>
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/// This class is an IIdentity derived class
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/// used by FormsAuthenticationModule. It provides a way for an application to
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/// access the cookie authentication ticket.
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/// </devdoc>
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[Serializable]
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[ComVisible(false)]
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public class FormsIdentity : ClaimsIdentity {
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/// <devdoc>
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/// The name of the identity (in this case, the
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/// passport user name).
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/// </devdoc>
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public override String Name { get { return _Ticket.Name;}}
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/// <devdoc>
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/// The type of the identity (in this case,
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/// "Forms").
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/// </devdoc>
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public override String AuthenticationType { get { return "Forms";}}
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/// <devdoc>
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/// Indicates whether or not authentication took
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/// place.
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/// </devdoc>
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public override bool IsAuthenticated { get { return true;}}
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private FormsAuthenticationTicket _Ticket;
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/// <devdoc>
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/// Returns the FormsAuthenticationTicket
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/// associated with the current request.
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/// </devdoc>
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public FormsAuthenticationTicket Ticket { get { return _Ticket;}}
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public override IEnumerable<Claim> Claims
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{
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get
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{
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return base.Claims;
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}
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}
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/// <devdoc>
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/// Constructor.
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/// </devdoc>
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public FormsIdentity (FormsAuthenticationTicket ticket) {
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if (ticket == null)
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throw new ArgumentNullException("ticket");
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_Ticket = ticket;
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AddNameClaim();
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}
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/// <devdoc>
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/// Constructor.
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/// </devdoc>
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protected FormsIdentity(FormsIdentity identity)
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: base(identity)
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{
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_Ticket = identity._Ticket;
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}
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/// <devdoc>
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/// Returns a new instance of <see cref="FormsIdentity"/> with values copied from this object.
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/// </devdoc>
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public override ClaimsIdentity Clone()
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{
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return new FormsIdentity(this);
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}
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[OnDeserialized()]
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private void OnDeserializedMethod(StreamingContext context)
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{
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// FormIdentities that have been deserialized from a .net 4.0 runtime, will not have any claims.
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// In this case add a name claim, otherwise assume it was deserialized.
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bool claimFound = false;
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foreach (Claim c in base.Claims)
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{
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claimFound = true;
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break;
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}
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if (!claimFound)
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{
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AddNameClaim();
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}
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}
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[SecuritySafeCritical]
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private void AddNameClaim()
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{
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if (_Ticket != null && _Ticket.Name != null)
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{
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base.AddClaim(new Claim(base.NameClaimType, _Ticket.Name, ClaimValueTypes.String, "Forms", "Forms", this));
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}
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}
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}
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}
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