111 lines
4.6 KiB
C#
111 lines
4.6 KiB
C#
//------------------------------------------------------------------------------
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// <copyright file="OleDbPermission.cs" company="Microsoft">
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// Copyright (c) Microsoft Corporation. All rights reserved.
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// </copyright>
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// <owner current="true" primary="true">Microsoft</owner>
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// <owner current="true" primary="false">Microsoft</owner>
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//------------------------------------------------------------------------------
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namespace System.Data.OleDb {
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using System.Collections;
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using System.Collections.Generic;
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using System.Data.Common;
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using System.Globalization;
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using System.Runtime.Serialization;
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using System.Security;
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using System.Security.Permissions;
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[Serializable]
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public sealed class OleDbPermission : DBDataPermission {
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private String[] _providerRestriction; // should never be string[0]
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private String _providers;
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[ Obsolete("OleDbPermission() has been deprecated. Use the OleDbPermission(PermissionState.None) constructor. http://go.microsoft.com/fwlink/?linkid=14202", true) ] // MDAC 86034
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public OleDbPermission() : this(PermissionState.None) {
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}
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public OleDbPermission(PermissionState state) : base(state) {
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}
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[ Obsolete("OleDbPermission(PermissionState state, Boolean allowBlankPassword) has been deprecated. Use the OleDbPermission(PermissionState.None) constructor. http://go.microsoft.com/fwlink/?linkid=14202", true) ] // MDAC 86034
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public OleDbPermission(PermissionState state, bool allowBlankPassword) : this(state) {
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AllowBlankPassword = allowBlankPassword;
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}
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private OleDbPermission(OleDbPermission permission) : base(permission) { // for Copy
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}
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internal OleDbPermission(OleDbPermissionAttribute permissionAttribute) : base(permissionAttribute) { // for CreatePermission
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}
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internal OleDbPermission(OleDbConnectionString constr) : base(constr) { // for Open
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if ((null == constr) || constr.IsEmpty) {
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base.Add(ADP.StrEmpty, ADP.StrEmpty, KeyRestrictionBehavior.AllowOnly);
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}
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}
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[System.ComponentModel.Browsable(false)]
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[System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
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[Obsolete("Provider property has been deprecated. Use the Add method. http://go.microsoft.com/fwlink/?linkid=14202")]
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public string Provider {
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get {
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string providers = _providers; // MDAC 83103
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if (null == providers) {
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string[] restrictions = _providerRestriction;
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if (null != restrictions) {
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if (0 < restrictions.Length) {
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providers = restrictions[0];
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for (int i = 1; i < restrictions.Length; ++i) {
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providers += ";" + restrictions[i];
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}
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}
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}
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}
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return ((null != providers) ? providers : ADP.StrEmpty);
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}
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set { // MDAC 61263
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string[] restrictions = null;
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if (!ADP.IsEmpty(value)) {
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restrictions = value.Split(new char[1] { ';' });
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restrictions = DBConnectionString.RemoveDuplicates(restrictions);
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}
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_providerRestriction = restrictions;
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_providers = value;
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}
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}
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override public IPermission Copy () {
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return new OleDbPermission(this);
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}
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}
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[AttributeUsage(AttributeTargets.Method | AttributeTargets.Constructor | AttributeTargets.Class | AttributeTargets.Struct | AttributeTargets.Assembly, AllowMultiple = true, Inherited = false )]
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[Serializable]
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public sealed class OleDbPermissionAttribute : DBDataPermissionAttribute {
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private String _providers;
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public OleDbPermissionAttribute(SecurityAction action) : base(action) {
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}
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[System.ComponentModel.Browsable(false)]
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[System.ComponentModel.EditorBrowsableAttribute(System.ComponentModel.EditorBrowsableState.Never)]
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[Obsolete("Provider property has been deprecated. Use the Add method. http://go.microsoft.com/fwlink/?linkid=14202")]
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public String Provider {
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get {
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string providers = _providers;
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return ((null != providers) ? providers : ADP.StrEmpty);
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}
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set {
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_providers = value;
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}
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}
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override public IPermission CreatePermission() {
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return new OleDbPermission(this);
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}
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}
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}
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