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//
// System.IO.IsolatedStorage.cs
//
// Authors:
// Duncan Mak (duncan@ximian.com)
// Sebastien Pouliot <sebastien@ximian.com>
//
// (C) Ximian, Inc. http://www.ximian.com
// Copyright (C) 2004-2005 Novell, Inc (http://www.novell.com)
//
// Permission is hereby granted, free of charge, to any person obtaining
// a copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to
// permit persons to whom the Software is furnished to do so, subject to
// the following conditions:
//
// The above copyright notice and this permission notice shall be
// included in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
// NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
// LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
// OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
// WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
//
using System.Globalization;
using System.Reflection;
using System.Runtime.InteropServices;
using System.Security;
using System.Security.Permissions;
using System.Security.Policy;
namespace System.IO.IsolatedStorage {
[ComVisible (true)]
public abstract class IsolatedStorage : MarshalByRefObject {
// Constructor
protected IsolatedStorage ()
: base ()
{
}
internal IsolatedStorageScope storage_scope;
internal object _assemblyIdentity;
internal object _domainIdentity;
internal object _applicationIdentity;
// Properties
[MonoTODO ("Does not currently use the manifest support")]
[ComVisible (false)]
public object ApplicationIdentity {
[SecurityPermission (SecurityAction.Demand, ControlPolicy=true)]
get {
if ((storage_scope & IsolatedStorageScope.Application) == 0) {
throw new InvalidOperationException (Locale.GetText ("Invalid Isolation Scope."));
}
if (_applicationIdentity == null)
throw new InvalidOperationException (Locale.GetText ("Identity unavailable."));
throw new NotImplementedException (Locale.GetText ("CAS related"));
}
}
public object AssemblyIdentity {
[SecurityPermission (SecurityAction.Demand, ControlPolicy=true)]
get {
if ((storage_scope & IsolatedStorageScope.Assembly) == 0) {
throw new InvalidOperationException (Locale.GetText ("Invalid Isolation Scope."));
}
if (_assemblyIdentity == null)
throw new InvalidOperationException (Locale.GetText ("Identity unavailable."));
return _assemblyIdentity;
}
}
[CLSCompliant (false)]
[Obsolete]
public virtual ulong CurrentSize {
get {
throw new InvalidOperationException (
Locale.GetText ("IsolatedStorage does not have a preset CurrentSize."));
}
}
public object DomainIdentity {
[SecurityPermission (SecurityAction.Demand, ControlPolicy=true)]
get {
if ((storage_scope & IsolatedStorageScope.Domain) == 0) {
throw new InvalidOperationException (Locale.GetText ("Invalid Isolation Scope."));
}
if (_domainIdentity == null)
throw new InvalidOperationException (Locale.GetText ("Identity unavailable."));
return _domainIdentity;
}
}
[CLSCompliant (false)]
[Obsolete]
public virtual ulong MaximumSize {
get {
throw new InvalidOperationException (
Locale.GetText ("IsolatedStorage does not have a preset MaximumSize."));
}
}
public IsolatedStorageScope Scope {
get { return storage_scope; }
}
[ComVisible (false)]
public virtual long AvailableFreeSpace {
get {
throw new InvalidOperationException ("This property is not defined for this store.");
}
}
[ComVisible (false)]
public virtual long Quota {
get {
throw new InvalidOperationException ("This property is not defined for this store.");
}
}
[ComVisible (false)]
public virtual long UsedSize {
get {
throw new InvalidOperationException ("This property is not defined for this store.");
}
}
protected virtual char SeparatorExternal {
get { return System.IO.Path.DirectorySeparatorChar; }
}
protected virtual char SeparatorInternal {
get { return '.'; }
}
// Methods
protected virtual IsolatedStoragePermission GetPermission (PermissionSet ps) => null;
protected void InitStore (IsolatedStorageScope scope, Type domainEvidenceType, Type assemblyEvidenceType)
{
// I know it's useless - but it's tested as such...
switch (scope) {
case (IsolatedStorageScope.Assembly | IsolatedStorageScope.User):
case (IsolatedStorageScope.Assembly | IsolatedStorageScope.User | IsolatedStorageScope.Domain):
throw new NotImplementedException (scope.ToString ());
default:
// invalid (incomplete) scope
throw new ArgumentException (scope.ToString ());
}
}
[MonoTODO ("requires manifest support")]
protected void InitStore (IsolatedStorageScope scope, Type appEvidenceType)
{
#if !MOBILE
if (AppDomain.CurrentDomain.ApplicationIdentity == null)
throw new IsolatedStorageException (Locale.GetText ("No ApplicationIdentity available for AppDomain."));
if (appEvidenceType == null) {
// TODO - Choose evidence
}
#endif
// no exception here because this can work without CAS
storage_scope = scope;
}
public abstract void Remove ();
[ComVisible (false)]
public virtual bool IncreaseQuotaTo (long newQuotaSize)
{
return false;
}
}
}
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