ApplicationDirectoryMembershipCondition.cs source code in C# .NET

Source code for the .NET framework in C#

                        
Code:

                         / FX-1434 / FX-1434 / 1.0 / untmp / whidbey / REDBITS / ndp / clr / src / BCL / System / Security / Policy / ApplicationDirectoryMembershipCondition.cs / 1 / ApplicationDirectoryMembershipCondition.cs
                        

                        
                            // ==++== 
//
//   Copyright (c) Microsoft Corporation.  All rights reserved.
//
// ==--== 
//  ApplicationDirectoryMembershipCondition.cs
// 
//  Implementation of membership condition for "application directories" 
//
 
namespace System.Security.Policy {
 	using System;
	using SecurityElement = System.Security.SecurityElement;
	using System.Security.Policy; 
	using URLString = System.Security.Util.URLString;
    using System.Collections; 
 
    [Serializable]
[System.Runtime.InteropServices.ComVisible(true)] 
    sealed public class ApplicationDirectoryMembershipCondition : IMembershipCondition, IConstantMembershipCondition
    {
        //------------------------------------------------------
        // 
        // PRIVATE STATE DATA
        // 
        //----------------------------------------------------- 

        //----------------------------------------------------- 
        //
        // PUBLIC CONSTRUCTORS
        //
        //----------------------------------------------------- 

        public ApplicationDirectoryMembershipCondition() 
        { 
        }
 
        //------------------------------------------------------
        //
        // IMEMBERSHIPCONDITION IMPLEMENTATION
        // 
        //-----------------------------------------------------
 
        public bool Check( Evidence evidence ) 
        {
            if (evidence == null) 
                return false;

            IEnumerator enumerator = evidence.GetHostEnumerator();
            while (enumerator.MoveNext()) 
            {
                Object obj = enumerator.Current; 
 
                if (obj is ApplicationDirectory)
                { 
                    ApplicationDirectory dir = (ApplicationDirectory)obj;

                    IEnumerator innerEnumerator = evidence.GetHostEnumerator();
 
                    while (innerEnumerator.MoveNext())
                    { 
                        Object innerObj = innerEnumerator.Current; 

                        if (innerObj is Url) 
                        {
                            // We need to add a wildcard at the end because IsSubsetOf
                            // keys off of it.
 
                            String appDir = dir.Directory;
 
                            if (appDir != null && appDir.Length > 1) 
                            {
                                if (appDir[appDir.Length-1] == '/') 
                                    appDir += "*";
                                else
                                    appDir += "/*";   // comment
 
                                URLString appDirString = new URLString( appDir );
 
                                if (((Url)innerObj).GetURLString().IsSubsetOf( appDirString )) 
                                {
                                    return true; 
                                }
                            }
                        }
                    } 
                }
            } 
 
            return false;
        } 

        public IMembershipCondition Copy()
        {
            return new ApplicationDirectoryMembershipCondition(); 
        }
 
        public SecurityElement ToXml() 
        {
            return ToXml( null ); 
        }

        public void FromXml( SecurityElement e )
        { 
            FromXml( e, null );
        } 
 
        public SecurityElement ToXml( PolicyLevel level )
        { 
            SecurityElement root = new SecurityElement( "IMembershipCondition" );
            System.Security.Util.XMLUtil.AddClassAttribute( root, this.GetType(), "System.Security.Policy.ApplicationDirectoryMembershipCondition" );
            // If you hit this assert then most likely you are trying to change the name of this class.
            // This is ok as long as you change the hard coded string above and change the assert below. 
            BCLDebug.Assert( this.GetType().FullName.Equals( "System.Security.Policy.ApplicationDirectoryMembershipCondition" ), "Class name changed!" );
 
            root.AddAttribute( "version", "1" ); 

            return root; 
        }

        public void FromXml( SecurityElement e, PolicyLevel level )
        { 
            if (e == null)
                throw new ArgumentNullException("e"); 
 
            if (!e.Tag.Equals( "IMembershipCondition" ))
            { 
                throw new ArgumentException( Environment.GetResourceString( "Argument_MembershipConditionElement" ) );
            }
        }
 
        public override bool Equals( Object o )
        { 
            return (o is ApplicationDirectoryMembershipCondition); 
        }
 
        public override int GetHashCode()
        {
            return typeof( ApplicationDirectoryMembershipCondition ).GetHashCode();
        } 

        public override String ToString() 
        { 
            return Environment.GetResourceString( "ApplicationDirectory_ToString" );
        } 
    }
}

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