295 lines
8.7 KiB
C#
295 lines
8.7 KiB
C#
//
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// System.Security.SecurityException.cs
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//
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// Authors:
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// Nick Drochak(ndrochak@gol.com)
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// Sebastien Pouliot <sebastien@ximian.com>
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//
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// (C) Nick Drochak
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// (C) 2004 Motus Technologies Inc. (http://www.motus.com)
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// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
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//
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// Permission is hereby granted, free of charge, to any person obtaining
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// a copy of this software and associated documentation files (the
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// "Software"), to deal in the Software without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Software, and to
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// permit persons to whom the Software is furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be
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// included in all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
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// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
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// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
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// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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//
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using System.Globalization;
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using System.Reflection;
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using System.Runtime.InteropServices;
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using System.Runtime.Serialization;
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using System.Security.Permissions;
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using System.Security.Policy;
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using System.Text;
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namespace System.Security {
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[Serializable]
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[ComVisible (true)]
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public class SecurityException : SystemException {
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// Fields
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string permissionState;
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Type permissionType;
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private string _granted;
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private string _refused;
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private object _demanded;
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private IPermission _firstperm;
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// private IPermission _permfailed;
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private MethodInfo _method;
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#if !MOBILE
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private Evidence _evidence;
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#endif
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private SecurityAction _action;
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private object _denyset;
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private object _permitset;
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private AssemblyName _assembly;
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private string _url;
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private SecurityZone _zone;
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// Properties
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[ComVisible (false)]
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public SecurityAction Action {
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get { return _action; }
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set { _action = value; }
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}
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[ComVisible (false)]
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public object DenySetInstance {
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[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
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get { return _denyset; }
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set { _denyset = value; }
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}
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[ComVisible (false)]
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public AssemblyName FailedAssemblyInfo {
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[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
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get { return _assembly; }
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set { _assembly = value; }
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}
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[ComVisible (false)]
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public MethodInfo Method {
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[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
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get { return _method; }
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set { _method = value; }
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}
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[ComVisible (false)]
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public object PermitOnlySetInstance {
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[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
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get { return _permitset; }
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set { _permitset = value; }
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}
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public string Url {
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[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
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get { return _url; }
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set { _url = value; }
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}
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public SecurityZone Zone {
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get { return _zone; }
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set { _zone = value; }
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}
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[ComVisible (false)]
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public object Demanded {
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[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
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get { return _demanded; }
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set { _demanded = value; }
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}
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public IPermission FirstPermissionThatFailed {
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[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
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get { return _firstperm; }
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set { _firstperm = value; }
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}
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public string PermissionState {
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[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
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get { return permissionState; }
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set { permissionState = value; }
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}
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public Type PermissionType {
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get { return permissionType; }
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set { permissionType = value; }
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}
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public string GrantedSet {
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[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
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get { return _granted; }
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set { _granted = value; }
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}
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public string RefusedSet {
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[SecurityPermission (SecurityAction.Demand, ControlEvidence=true, ControlPolicy=true)]
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get { return _refused; }
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set { _refused = value; }
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}
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// Constructors
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public SecurityException ()
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: this (Locale.GetText ("A security error has been detected."))
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{
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}
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public SecurityException (string message)
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: base (message)
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{
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base.HResult = unchecked ((int)0x8013150A);
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}
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protected SecurityException (SerializationInfo info, StreamingContext context)
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: base (info, context)
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{
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base.HResult = unchecked ((int)0x8013150A);
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// depending on the security policy the info about PermissionState may
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// not be available (but the serializable must work)
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SerializationInfoEnumerator e = info.GetEnumerator ();
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while (e.MoveNext ()) {
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if (e.Name == "PermissionState") {
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permissionState = (string) e.Value;
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break;
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}
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}
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}
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public SecurityException (string message, Exception inner)
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: base (message, inner)
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{
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base.HResult = unchecked ((int)0x8013150A);
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}
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public SecurityException (string message, Type type)
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: base (message)
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{
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base.HResult = unchecked ((int)0x8013150A);
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permissionType = type;
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}
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public SecurityException (string message, Type type, string state)
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: base (message)
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{
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base.HResult = unchecked ((int)0x8013150A);
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permissionType = type;
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permissionState = state;
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}
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internal SecurityException (string message, PermissionSet granted, PermissionSet refused)
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: base (message)
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{
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base.HResult = unchecked ((int)0x8013150A);
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_granted = granted.ToString ();
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_refused = refused.ToString ();
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}
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public SecurityException (string message, object deny, object permitOnly, MethodInfo method,
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object demanded, IPermission permThatFailed)
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: base (message)
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{
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base.HResult = unchecked ((int)0x8013150A);
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_denyset = deny;
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_permitset = permitOnly;
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_method = method;
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_demanded = demanded;
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_firstperm = permThatFailed;
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}
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#if !MOBILE
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public SecurityException (string message, AssemblyName assemblyName, PermissionSet grant,
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PermissionSet refused, MethodInfo method, SecurityAction action, object demanded,
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IPermission permThatFailed, Evidence evidence)
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: base (message)
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{
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base.HResult = unchecked ((int)0x8013150A);
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_assembly = assemblyName;
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_granted = (grant == null) ? String.Empty : grant.ToString ();
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_refused = (refused == null) ? String.Empty : refused.ToString ();
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_method = method;
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_action = action;
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_demanded = demanded;
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_firstperm = permThatFailed;
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if (_firstperm != null)
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permissionType = _firstperm.GetType ();
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_evidence = evidence;
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}
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#endif
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// Methods
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public override void GetObjectData (SerializationInfo info, StreamingContext context)
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{
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base.GetObjectData (info, context);
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try {
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info.AddValue ("PermissionState", permissionState);
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}
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catch (SecurityException) {
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// serialize only if permitted to do so
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}
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}
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public override string ToString ()
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{
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#if MOBILE
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return base.ToString ();
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#else
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StringBuilder sb = new StringBuilder (base.ToString ());
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try {
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if (permissionType != null) {
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sb.AppendFormat ("{0}Type: {1}", Environment.NewLine, PermissionType);
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}
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if (_method != null) {
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// method string representation doesn't include the type
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string m = _method.ToString ();
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int ret = m.IndexOf (" ") + 1;
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sb.AppendFormat ("{0}Method: {1} {2}.{3}", Environment.NewLine,
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_method.ReturnType.Name, _method.ReflectedType, m.Substring (ret));
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}
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if (permissionState != null) {
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sb.AppendFormat ("{0}State: {1}", Environment.NewLine, PermissionState);
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}
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if ((_granted != null) && (_granted.Length > 0)) {
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sb.AppendFormat ("{0}Granted: {1}", Environment.NewLine, GrantedSet);
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}
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if ((_refused != null) && (_refused.Length > 0)) {
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sb.AppendFormat ("{0}Refused: {1}", Environment.NewLine, RefusedSet);
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}
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if (_demanded != null) {
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sb.AppendFormat ("{0}Demanded: {1}", Environment.NewLine, Demanded);
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}
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if (_firstperm != null) {
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sb.AppendFormat ("{0}Failed Permission: {1}", Environment.NewLine, FirstPermissionThatFailed);
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}
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if (_evidence != null) {
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sb.AppendFormat ("{0}Evidences:", Environment.NewLine);
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foreach (object o in _evidence) {
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// Hash evidence is way much too verbose to be useful to anyone
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if (!(o is Hash))
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sb.AppendFormat ("{0}\t{1}", Environment.NewLine, o);
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}
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}
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}
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catch (SecurityException) {
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// some informations can't be displayed
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}
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return sb.ToString ();
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#endif
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}
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}
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}
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