apewer-dotnet/Apewer.Source/Externals/MySql.Data-6.10.9/MySqlClient/NetStandard_2.0/MySqlClientPermission.cs

#if MYSQL_6_10

// Copyright ?2004, 2018, Oracle and/or its affiliates. All rights reserved.
//
// MySQL Connector/NET is licensed under the terms of the GPLv2
// <http://www.gnu.org/licenses/old-licenses/gpl-2.0.html>, like most 
// MySQL Connectors. There are special exceptions to the terms and 
// conditions of the GPLv2 as it is applied to this software, see the 
// FLOSS License Exception
// <http://www.mysql.com/about/legal/licensing/foss-exception.html>.
//
// This program is free software; you can redistribute it and/or modify 
// it under the terms of the GNU General Public License as published 
// by the Free Software Foundation; version 2 of the License.
//
// This program is distributed in the hope that it will be useful, but 
// WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY 
// or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 
// for more details.
//
// You should have received a copy of the GNU General Public License along 
// with this program; if not, write to the Free Software Foundation, Inc., 
// 51 Franklin St, Fifth Floor, Boston, MA 02110-1301  USA

using System;
using System.Collections.Generic;
using System.Data;
using System.Data.Common;
using System.Security;
using System.Security.Permissions;

namespace Externals.MySql.Data.MySqlClient
{
    /// <summary>
    /// Enables the provider to help ensure that a user has a security level adequate for accessing data.
    /// </summary>
    [Serializable]
    internal sealed class MySqlClientPermission : DBDataPermission
    {

        #region Contructors

        public MySqlClientPermission(PermissionState permissionState)
          : base(permissionState)
        {
        }

        private MySqlClientPermission(MySqlClientPermission permission) : base(permission)
        {
        }

        internal MySqlClientPermission(MySqlClientPermissionAttribute permissionAttribute) : base(permissionAttribute)
        {
        }

        internal MySqlClientPermission(DBDataPermission permission)
            : base(permission)
        {
        }

        internal MySqlClientPermission(string connectionString)
          : base(PermissionState.None)
        {
            if ((connectionString == null) || connectionString.Length == 0)
                base.Add(string.Empty, string.Empty, KeyRestrictionBehavior.AllowOnly);
            else
                base.Add(connectionString, string.Empty, KeyRestrictionBehavior.AllowOnly);
        }


        #endregion

        #region Methods

        /// <summary>
        /// Adds a new connection string with set of restricted keywords to the MySqlClientPermission object 
        /// </summary>
        ///<param name="connectionString">Settings to be used for the connection</param>
        ///<param name="restrictions">Keywords to define the restrictions</param>
        ///<param name="behavior">KeyRestrictionBehavior to be used</param>
        public override void Add(string connectionString, string restrictions, KeyRestrictionBehavior behavior)
        {
            base.Add(connectionString, restrictions, behavior);
        }

        /// <summary>
        /// Returns MySqlClientPermission as an IPermission
        /// </summary>
        /// <returns></returns>
        public override IPermission Copy()
        {
            return new MySqlClientPermission(this);
        }

        #endregion

    }
}

#endif