Code:
/ DotNET / DotNET / 8.0 / 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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