ClaimSet.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / IdentityModel / System / IdentityModel / Claims / ClaimSet.cs / 1305376 / ClaimSet.cs
                        

                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

namespace System.IdentityModel.Claims 
{
    using System.Collections; 
    using System.Collections.Generic; 
    using System.Runtime.Serialization;
    using System.Security.Principal; 
    using System.Text;

    [DataContract(Namespace = XsiConstants.Namespace)]
    public abstract class ClaimSet : IEnumerable 
    {
        static ClaimSet system; 
        static ClaimSet windows; 
        static ClaimSet anonymous;
 
        public static ClaimSet System
        {
            get
            { 
                if (system == null)
                { 
                    List claims = new List(2); 
                    claims.Add(Claim.System);
                    claims.Add(new Claim(ClaimTypes.System, XsiConstants.System, Rights.PossessProperty)); 
                    system = new DefaultClaimSet(claims);
                }
                return system;
            } 
        }
 
        public static ClaimSet Windows 
        {
            get 
            {
                if (windows == null)
                {
                    List claims = new List(2); 
                    SecurityIdentifier sid = new SecurityIdentifier(WellKnownSidType.NTAuthoritySid, null);
                    claims.Add(new Claim(ClaimTypes.Sid, sid, Rights.Identity)); 
                    claims.Add(Claim.CreateWindowsSidClaim(sid)); 
                    windows = new DefaultClaimSet(claims);
                } 
                return windows;
            }
        }
 
        internal static ClaimSet Anonymous
        { 
            get 
            {
                if (anonymous == null) 
                    anonymous = new DefaultClaimSet();

                return anonymous;
            } 
        }
 
        static internal bool SupportedRight(string right) 
        {
            return right == null || 
                Rights.Identity.Equals(right) ||
                Rights.PossessProperty.Equals(right);
        }
 

        public virtual bool ContainsClaim(Claim claim, IEqualityComparer comparer) 
        { 
            if (claim == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("claim"); 
            if (comparer == null)
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("comparer");

            IEnumerable claims = FindClaims(null, null); 
            if (claims != null)
            { 
                foreach (Claim matchingClaim in claims) 
                {
                    if (comparer.Equals(claim, matchingClaim)) 
                        return true;
                }
            }
            return false; 
        }
 
        public virtual bool ContainsClaim(Claim claim) 
        {
            if (claim == null) 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperArgumentNull("claim");

            IEnumerable claims = FindClaims(claim.ClaimType, claim.Right);
            if (claims != null) 
            {
                foreach (Claim matchingClaim in claims) 
                { 
                    if (claim.Equals(matchingClaim))
                        return true; 
                }
            }
            return false;
        } 

        public abstract Claim this[int index] { get; } 
        public abstract int Count { get; } 
        public abstract ClaimSet Issuer { get; }
        // Note: null string represents any. 
        public abstract IEnumerable FindClaims(string claimType, string right);
        public abstract IEnumerator GetEnumerator();
        IEnumerator IEnumerable.GetEnumerator() { return this.GetEnumerator(); }
 
    }
} 

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.

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