2 // System.Security.Permissions.IsolatedStorageFilePermission.cs
5 // Sebastien Pouliot <sebastien@ximian.com>
7 // Copyright (C) 2003 Motus Technologies. http://www.motus.com
8 // Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
10 // Permission is hereby granted, free of charge, to any person obtaining
11 // a copy of this software and associated documentation files (the
12 // "Software"), to deal in the Software without restriction, including
13 // without limitation the rights to use, copy, modify, merge, publish,
14 // distribute, sublicense, and/or sell copies of the Software, and to
15 // permit persons to whom the Software is furnished to do so, subject to
16 // the following conditions:
18 // The above copyright notice and this permission notice shall be
19 // included in all copies or substantial portions of the Software.
21 // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
22 // EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
23 // MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
24 // NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
25 // LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
26 // OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
27 // WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
30 using System
.Runtime
.InteropServices
;
32 namespace System
.Security
.Permissions
{
36 public sealed class IsolatedStorageFilePermission
: IsolatedStoragePermission
, IBuiltInPermission
{
40 public IsolatedStorageFilePermission (PermissionState state
)
49 public override IPermission
Copy ()
51 IsolatedStorageFilePermission p
= new IsolatedStorageFilePermission (PermissionState
.None
);
52 p
.m_userQuota
= m_userQuota
;
53 p
.m_machineQuota
= m_machineQuota
;
54 p
.m_expirationDays
= m_expirationDays
;
55 p
.m_permanentData
= m_permanentData
;
56 p
.m_allowed
= m_allowed
;
60 public override IPermission
Intersect (IPermission target
)
62 IsolatedStorageFilePermission isfp
= Cast (target
);
65 if (IsEmpty () && isfp
.IsEmpty ())
68 IsolatedStorageFilePermission p
= new IsolatedStorageFilePermission (PermissionState
.None
);
69 p
.m_userQuota
= (m_userQuota
< isfp
.m_userQuota
) ? m_userQuota
: isfp
.m_userQuota
;
70 p
.m_machineQuota
= (m_machineQuota
< isfp
.m_machineQuota
) ? m_machineQuota
: isfp
.m_machineQuota
;
71 p
.m_expirationDays
= (m_expirationDays
< isfp
.m_expirationDays
) ? m_expirationDays
: isfp
.m_expirationDays
;
72 p
.m_permanentData
= (m_permanentData
&& isfp
.m_permanentData
);
73 // UsageAllowed == Unrestricted is a special case handled by the property
74 p
.UsageAllowed
= (m_allowed
< isfp
.m_allowed
) ? m_allowed
: isfp
.m_allowed
;
78 public override bool IsSubsetOf (IPermission target
)
80 IsolatedStorageFilePermission isfp
= Cast (target
);
83 if (isfp
.IsUnrestricted ())
86 if (m_userQuota
> isfp
.m_userQuota
)
88 if (m_machineQuota
> isfp
.m_machineQuota
)
90 if (m_expirationDays
> isfp
.m_expirationDays
)
92 if (m_permanentData
!= isfp
.m_permanentData
)
94 if (m_allowed
> isfp
.m_allowed
)
99 public override IPermission
Union (IPermission target
)
101 IsolatedStorageFilePermission isfp
= Cast (target
);
105 IsolatedStorageFilePermission p
= new IsolatedStorageFilePermission (PermissionState
.None
);
106 p
.m_userQuota
= (m_userQuota
> isfp
.m_userQuota
) ? m_userQuota
: isfp
.m_userQuota
;
107 p
.m_machineQuota
= (m_machineQuota
> isfp
.m_machineQuota
) ? m_machineQuota
: isfp
.m_machineQuota
;
108 p
.m_expirationDays
= (m_expirationDays
> isfp
.m_expirationDays
) ? m_expirationDays
: isfp
.m_expirationDays
;
109 p
.m_permanentData
= (m_permanentData
|| isfp
.m_permanentData
);
110 // UsageAllowed == Unrestricted is a special case handled by the property
111 p
.UsageAllowed
= (m_allowed
> isfp
.m_allowed
) ? m_allowed
: isfp
.m_allowed
;
115 [MonoTODO ("(2.0) new override - something must have been added ???")]
117 public override SecurityElement
ToXml ()
119 return base.ToXml ();
122 // IBuiltInPermission
123 int IBuiltInPermission
.GetTokenIndex ()
125 return (int) BuiltInToken
.IsolatedStorageFile
;
130 private IsolatedStorageFilePermission
Cast (IPermission target
)
135 IsolatedStorageFilePermission isfp
= (target
as IsolatedStorageFilePermission
);
137 ThrowInvalidPermission (target
, typeof (IsolatedStorageFilePermission
));