SecurityContextSecurityTokenResolver.cs :  » 2.6.4-mono-.net-core » System.ServiceModel » System » ServiceModel » Security » Tokens » C# / CSharp Open Source

//
// SecurityContextSecurityTokenResolver.cs
//
// Author:
//  Atsushi Enomoto <atsushi@ximian.com>
//
// Copyright (C) 2006 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;
using System.Collections.Generic;
using System.Collections.ObjectModel;
using System.IdentityModel.Selectors;
using System.IdentityModel.Tokens;
using System.Xml;

using TableSystem.Collections.Generic.DictionarySystem.Xml.UniqueIdSystem.ServiceModel.Security.Tokens.SecurityContextSecurityToken;

namespace System.ServiceModel.Security.Tokens{
  public class SecurityContextSecurityTokenResolver : SecurityTokenResolver, ISecurityContextSecurityTokenCache
  {
    int capacity;
    bool allow_removal;

    Dictionary<UniqueId,Table> cache =
      new Dictionary<UniqueId,Table> ();

    public SecurityContextSecurityTokenResolver (
      int securityContextCacheCapacity,
      bool removeOldestTokensOnCacheFull)
    {
      capacity = securityContextCacheCapacity;
      allow_removal = removeOldestTokensOnCacheFull;
    }

    public bool RemoveOldestTokensOnCacheFull {
      get { return allow_removal; }
    }

    public int SecurityContextTokenCacheCapacity {
      get { return capacity; }
    }

    public void AddContext (SecurityContextSecurityToken token)
    {
      if (!TryAddContext (token))
        throw new InvalidOperationException ("Argument token is already in the cache.");
    }

    public void ClearContexts ()
    {
      cache.Clear ();
    }

    public Collection<SecurityContextSecurityToken> GetAllContexts (UniqueId contextId)
    {
      Table table;
      if (!cache.TryGetValue (contextId, out table))
        return new Collection<SecurityContextSecurityToken> ();
      SecurityContextSecurityToken [] arr =
        new SecurityContextSecurityToken [table.Count];
      table.Values.CopyTo (arr, 0);
      return new Collection<SecurityContextSecurityToken> (arr);
    }

    public SecurityContextSecurityToken GetContext (UniqueId contextId, UniqueId generation)
    {
      Table table;
      if (!cache.TryGetValue (contextId, out table))
        return null;
      SecurityContextSecurityToken ret;
      return table.TryGetValue (generation, out ret) ? ret : null;
    }

    public void RemoveAllContexts (UniqueId contextId)
    {
      cache.Remove (contextId);
    }

    public void RemoveContext (UniqueId contextId, UniqueId generation)
    {
      Table table;
      if (!cache.TryGetValue (contextId, out table))
        return;
      table.Remove (generation);
    }

    public bool TryAddContext (SecurityContextSecurityToken token)
    {
      Table table;
      if (!cache.TryGetValue (token.ContextId, out table)) {
        table = new Table ();
        table [token.KeyGeneration] = token;
      } else {
        if (table.ContainsKey (token.KeyGeneration))
          return false;
        table [token.KeyGeneration] = token;
      }
      return true;
    }

    [MonoTODO]
    public void UpdateContextCachingTime (SecurityContextSecurityToken context, DateTime expirationTime)
    {
      throw new NotImplementedException ();
    }

    // SecurityTokenResolver

    [MonoTODO]
    protected override bool TryResolveSecurityKeyCore (
      SecurityKeyIdentifierClause keyIdentifierClause,
      out SecurityKey key)
    {
      throw new NotImplementedException ();
    }

    [MonoTODO]
    protected override bool TryResolveTokenCore (
      SecurityKeyIdentifier keyIdentifier,
      out SecurityToken token)
    {
      throw new NotImplementedException ();
    }

    [MonoTODO]
    protected override bool TryResolveTokenCore (
      SecurityKeyIdentifierClause keyIdentifierClause,
      out SecurityToken token)
    {
      throw new NotImplementedException ();
    }
  }
}