Code:
/ Dotnetfx_Win7_3.5.1 / Dotnetfx_Win7_3.5.1 / 3.5.1 / DEVDIV / depot / DevDiv / releases / whidbey / NetFXspW7 / ndp / clr / src / BCL / System / Security / Policy / ZoneMembershipCondition.cs / 1 / ZoneMembershipCondition.cs
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
// ZoneMembershipCondition.cs
//
// Implementation of membership condition for zones
//
namespace System.Security.Policy {
using System;
using SecurityManager = System.Security.SecurityManager;
using PermissionSet = System.Security.PermissionSet;
using SecurityElement = System.Security.SecurityElement;
using System.Collections;
using System.Globalization;
[Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
sealed public class ZoneMembershipCondition : IMembershipCondition, IConstantMembershipCondition, IReportMatchMembershipCondition
{
//------------------------------------------------------
//
// PRIVATE CONSTANTS
//
//-----------------------------------------------------
private static readonly String[] s_names =
{"MyComputer", "Intranet", "Trusted", "Internet", "Untrusted"};
//-----------------------------------------------------
//
// PRIVATE STATE DATA
//
//-----------------------------------------------------
private SecurityZone m_zone;
private SecurityElement m_element;
//------------------------------------------------------
//
// PUBLIC CONSTRUCTORS
//
//-----------------------------------------------------
internal ZoneMembershipCondition()
{
m_zone = SecurityZone.NoZone;
}
public ZoneMembershipCondition( SecurityZone zone )
{
VerifyZone( zone );
this.SecurityZone = zone;
}
//------------------------------------------------------
//
// PUBLIC ACCESSOR METHODS
//
//------------------------------------------------------
public SecurityZone SecurityZone
{
set
{
VerifyZone( value );
m_zone = value;
}
get
{
if (m_zone == SecurityZone.NoZone && m_element != null)
ParseZone();
return m_zone;
}
}
//-----------------------------------------------------
//
// PRIVATE AND PROTECTED HELPERS FOR ACCESSORS AND CONSTRUCTORS
//
//------------------------------------------------------
private static void VerifyZone( SecurityZone zone )
{
if (zone < SecurityZone.MyComputer || zone > SecurityZone.Untrusted)
{
throw new ArgumentException( Environment.GetResourceString( "Argument_IllegalZone" ) );
}
}
//-----------------------------------------------------
//
// IMEMBERSHIPCONDITION IMPLEMENTATION
//
//-----------------------------------------------------
public bool Check( Evidence evidence )
{
object usedEvidence = null;
return (this as IReportMatchMembershipCondition).Check(evidence, out usedEvidence);
}
bool IReportMatchMembershipCondition.Check(Evidence evidence, out object usedEvidence)
{
usedEvidence = null;
if (evidence == null)
return false;
IEnumerator enumerator = evidence.GetHostEnumerator();
while (enumerator.MoveNext())
{
Zone zone = enumerator.Current as Zone;
if (zone != null)
{
if (m_zone == SecurityZone.NoZone && m_element != null)
ParseZone();
if (zone.SecurityZone == m_zone)
{
usedEvidence = zone;
return true;
}
}
}
return false;
}
public IMembershipCondition Copy()
{
if (m_zone == SecurityZone.NoZone && m_element != null)
ParseZone();
return new ZoneMembershipCondition( m_zone );
}
public SecurityElement ToXml()
{
return ToXml( null );
}
public void FromXml( SecurityElement e )
{
FromXml( e, null );
}
public SecurityElement ToXml( PolicyLevel level )
{
if (m_zone == SecurityZone.NoZone && m_element != null)
ParseZone();
SecurityElement root = new SecurityElement( "IMembershipCondition" );
System.Security.Util.XMLUtil.AddClassAttribute( root, this.GetType(), "System.Security.Policy.ZoneMembershipCondition" );
// 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.ZoneMembershipCondition" ), "Class name changed!" );
root.AddAttribute( "version", "1" );
if (m_zone != SecurityZone.NoZone)
root.AddAttribute( "Zone", Enum.GetName( typeof( SecurityZone ), m_zone ) );
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" ) );
}
lock (this)
{
m_zone = SecurityZone.NoZone;
m_element = e;
}
}
private void ParseZone()
{
lock (this)
{
if (m_element == null)
return;
String eZone = m_element.Attribute( "Zone" );
m_zone = SecurityZone.NoZone;
if (eZone != null)
{
m_zone = (SecurityZone)Enum.Parse( typeof( SecurityZone ), eZone );
}
else
{
throw new ArgumentException( Environment.GetResourceString( "Argument_ZoneCannotBeNull" ) );
}
VerifyZone(m_zone);
m_element = null;
}
}
public override bool Equals( Object o )
{
ZoneMembershipCondition that = (o as ZoneMembershipCondition);
if (that != null)
{
if (this.m_zone == SecurityZone.NoZone && this.m_element != null)
this.ParseZone();
if (that.m_zone == SecurityZone.NoZone && that.m_element != null)
that.ParseZone();
if(this.m_zone == that.m_zone)
{
return true;
}
}
return false;
}
public override int GetHashCode()
{
if (this.m_zone == SecurityZone.NoZone && this.m_element != null)
this.ParseZone();
return (int)m_zone;
}
public override String ToString()
{
if (m_zone == SecurityZone.NoZone && m_element != null)
ParseZone();
return String.Format( CultureInfo.CurrentCulture, Environment.GetResourceString( "Zone_ToString" ), s_names[(int)m_zone] );
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
// ==++==
//
// Copyright (c) Microsoft Corporation. All rights reserved.
//
// ==--==
// ZoneMembershipCondition.cs
//
// Implementation of membership condition for zones
//
namespace System.Security.Policy {
using System;
using SecurityManager = System.Security.SecurityManager;
using PermissionSet = System.Security.PermissionSet;
using SecurityElement = System.Security.SecurityElement;
using System.Collections;
using System.Globalization;
[Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
sealed public class ZoneMembershipCondition : IMembershipCondition, IConstantMembershipCondition, IReportMatchMembershipCondition
{
//------------------------------------------------------
//
// PRIVATE CONSTANTS
//
//-----------------------------------------------------
private static readonly String[] s_names =
{"MyComputer", "Intranet", "Trusted", "Internet", "Untrusted"};
//-----------------------------------------------------
//
// PRIVATE STATE DATA
//
//-----------------------------------------------------
private SecurityZone m_zone;
private SecurityElement m_element;
//------------------------------------------------------
//
// PUBLIC CONSTRUCTORS
//
//-----------------------------------------------------
internal ZoneMembershipCondition()
{
m_zone = SecurityZone.NoZone;
}
public ZoneMembershipCondition( SecurityZone zone )
{
VerifyZone( zone );
this.SecurityZone = zone;
}
//------------------------------------------------------
//
// PUBLIC ACCESSOR METHODS
//
//------------------------------------------------------
public SecurityZone SecurityZone
{
set
{
VerifyZone( value );
m_zone = value;
}
get
{
if (m_zone == SecurityZone.NoZone && m_element != null)
ParseZone();
return m_zone;
}
}
//-----------------------------------------------------
//
// PRIVATE AND PROTECTED HELPERS FOR ACCESSORS AND CONSTRUCTORS
//
//------------------------------------------------------
private static void VerifyZone( SecurityZone zone )
{
if (zone < SecurityZone.MyComputer || zone > SecurityZone.Untrusted)
{
throw new ArgumentException( Environment.GetResourceString( "Argument_IllegalZone" ) );
}
}
//-----------------------------------------------------
//
// IMEMBERSHIPCONDITION IMPLEMENTATION
//
//-----------------------------------------------------
public bool Check( Evidence evidence )
{
object usedEvidence = null;
return (this as IReportMatchMembershipCondition).Check(evidence, out usedEvidence);
}
bool IReportMatchMembershipCondition.Check(Evidence evidence, out object usedEvidence)
{
usedEvidence = null;
if (evidence == null)
return false;
IEnumerator enumerator = evidence.GetHostEnumerator();
while (enumerator.MoveNext())
{
Zone zone = enumerator.Current as Zone;
if (zone != null)
{
if (m_zone == SecurityZone.NoZone && m_element != null)
ParseZone();
if (zone.SecurityZone == m_zone)
{
usedEvidence = zone;
return true;
}
}
}
return false;
}
public IMembershipCondition Copy()
{
if (m_zone == SecurityZone.NoZone && m_element != null)
ParseZone();
return new ZoneMembershipCondition( m_zone );
}
public SecurityElement ToXml()
{
return ToXml( null );
}
public void FromXml( SecurityElement e )
{
FromXml( e, null );
}
public SecurityElement ToXml( PolicyLevel level )
{
if (m_zone == SecurityZone.NoZone && m_element != null)
ParseZone();
SecurityElement root = new SecurityElement( "IMembershipCondition" );
System.Security.Util.XMLUtil.AddClassAttribute( root, this.GetType(), "System.Security.Policy.ZoneMembershipCondition" );
// 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.ZoneMembershipCondition" ), "Class name changed!" );
root.AddAttribute( "version", "1" );
if (m_zone != SecurityZone.NoZone)
root.AddAttribute( "Zone", Enum.GetName( typeof( SecurityZone ), m_zone ) );
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" ) );
}
lock (this)
{
m_zone = SecurityZone.NoZone;
m_element = e;
}
}
private void ParseZone()
{
lock (this)
{
if (m_element == null)
return;
String eZone = m_element.Attribute( "Zone" );
m_zone = SecurityZone.NoZone;
if (eZone != null)
{
m_zone = (SecurityZone)Enum.Parse( typeof( SecurityZone ), eZone );
}
else
{
throw new ArgumentException( Environment.GetResourceString( "Argument_ZoneCannotBeNull" ) );
}
VerifyZone(m_zone);
m_element = null;
}
}
public override bool Equals( Object o )
{
ZoneMembershipCondition that = (o as ZoneMembershipCondition);
if (that != null)
{
if (this.m_zone == SecurityZone.NoZone && this.m_element != null)
this.ParseZone();
if (that.m_zone == SecurityZone.NoZone && that.m_element != null)
that.ParseZone();
if(this.m_zone == that.m_zone)
{
return true;
}
}
return false;
}
public override int GetHashCode()
{
if (this.m_zone == SecurityZone.NoZone && this.m_element != null)
this.ParseZone();
return (int)m_zone;
}
public override String ToString()
{
if (m_zone == SecurityZone.NoZone && m_element != null)
ParseZone();
return String.Format( CultureInfo.CurrentCulture, Environment.GetResourceString( "Zone_ToString" ), s_names[(int)m_zone] );
}
}
}
// File provided for Reference Use Only by Microsoft Corporation (c) 2007.
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