SecurityTokenRequirement.cs source code in C# .NET

                        Code:
                         / 4.0 / 4.0 / untmp / DEVDIV_TFS / Dev10 / Releases / RTMRel / ndp / cdf / src / WCF / IdentityModel / System / IdentityModel / Selectors / SecurityTokenRequirement.cs / 1305376 / SecurityTokenRequirement.cs
                        
                        
                            //------------------------------------------------------------ 
// Copyright (c) Microsoft Corporation.  All rights reserved.
//-----------------------------------------------------------

namespace System.IdentityModel.Selectors 
{
    using System.Globalization; 
    using System.Text; 
    using System.Collections;
    using System.Collections.Generic; 
    using System.IdentityModel.Tokens;

    public class SecurityTokenRequirement
    { 
        const string Namespace = "http://schemas.microsoft.com/ws/2006/05/identitymodel/securitytokenrequirement";
        const string tokenTypeProperty = Namespace + "/TokenType"; 
        const string keyUsageProperty = Namespace + "/KeyUsage"; 
        const string keyTypeProperty = Namespace + "/KeyType";
        const string keySizeProperty = Namespace + "/KeySize"; 
        const string requireCryptographicTokenProperty = Namespace + "/RequireCryptographicToken";
        const string peerAuthenticationMode = Namespace + "/PeerAuthenticationMode";

        const bool defaultRequireCryptographicToken = false; 
        const SecurityKeyUsage defaultKeyUsage = SecurityKeyUsage.Signature;
        const SecurityKeyType defaultKeyType = SecurityKeyType.SymmetricKey; 
        const int defaultKeySize = 0; 

        Dictionary properties; 

        public SecurityTokenRequirement()
        {
            properties = new Dictionary(); 
            this.Initialize();
        } 
 
        static public string TokenTypeProperty { get { return tokenTypeProperty; } }
        static public string KeyUsageProperty { get { return keyUsageProperty; } } 
        static public string KeyTypeProperty { get { return keyTypeProperty; } }
        static public string KeySizeProperty { get { return keySizeProperty; } }
        static public string RequireCryptographicTokenProperty { get { return requireCryptographicTokenProperty; } }
        static public string PeerAuthenticationMode { get { return peerAuthenticationMode; } } 

        public string TokenType 
        { 
            get
            { 
                string result;
                return (this.TryGetProperty(TokenTypeProperty, out result)) ? result : null;
            }
            set 
            {
                this.properties[TokenTypeProperty] = value; 
            } 
        }
 
        public bool RequireCryptographicToken
        {
            get
            { 
                bool result;
                return (this.TryGetProperty(RequireCryptographicTokenProperty, out result)) ? result : defaultRequireCryptographicToken; 
            } 
            set
            { 
                this.properties[RequireCryptographicTokenProperty] = (object)value;
            }
        }
 
        public SecurityKeyUsage KeyUsage
        { 
            get 
            {
                SecurityKeyUsage result; 
                return (this.TryGetProperty(KeyUsageProperty, out result)) ? result : defaultKeyUsage;
            }
            set
            { 
                SecurityKeyUsageHelper.Validate(value);
                this.properties[KeyUsageProperty] = (object)value; 
            } 
        }
 
        public SecurityKeyType KeyType
        {
            get
            { 
                SecurityKeyType result;
                return (this.TryGetProperty(KeyTypeProperty, out result)) ? result : defaultKeyType; 
            } 
            set
            { 
                SecurityKeyTypeHelper.Validate(value);
                this.properties[KeyTypeProperty] = (object)value;
            }
        } 

        public int KeySize 
        { 
            get
            { 
                int result;
                return (this.TryGetProperty(KeySizeProperty, out result)) ? result : defaultKeySize;
            }
            set 
            {
                if (value < 0) 
                { 
                    throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentOutOfRangeException("value", SR.GetString(SR.ValueMustBeNonNegative)));
                } 
                this.Properties[KeySizeProperty] = value;
            }
        }
 
        public IDictionary Properties
        { 
            get 
            {
                return this.properties; 
            }
        }

        void Initialize() 
        {
            this.KeyType = defaultKeyType; 
            this.KeyUsage = defaultKeyUsage; 
            this.RequireCryptographicToken = defaultRequireCryptographicToken;
            this.KeySize = defaultKeySize; 
        }

        public TValue GetProperty(string propertyName)
        { 
            TValue result;
            if (!TryGetProperty(propertyName, out result)) 
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.SecurityTokenRequirementDoesNotContainProperty, propertyName)));
            } 
            return result;
        }

        public bool TryGetProperty(string propertyName, out TValue result) 
        {
            object dictionaryValue; 
            if (!Properties.TryGetValue(propertyName, out dictionaryValue)) 
            {
                result = default(TValue); 
                return false;
            }
            if (dictionaryValue != null && !typeof(TValue).IsAssignableFrom(dictionaryValue.GetType()))
            { 
                throw DiagnosticUtility.ExceptionUtility.ThrowHelperError(new ArgumentException(SR.GetString(SR.SecurityTokenRequirementHasInvalidTypeForProperty, propertyName, dictionaryValue.GetType(), typeof(TValue))));
            } 
            result = (TValue)dictionaryValue; 
            return true;
        } 
    }
}

// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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SecurityTokenRequirement.cs source code in C# .NET

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