135 lines
5.2 KiB
C#
135 lines
5.2 KiB
C#
// (c) Copyright Ascensio System SIA 2010-2022
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//
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// This program is a free software product.
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// You can redistribute it and/or modify it under the terms
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// of the GNU Affero General Public License (AGPL) version 3 as published by the Free Software
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// Foundation. In accordance with Section 7(a) of the GNU AGPL its Section 15 shall be amended
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// to the effect that Ascensio System SIA expressly excludes the warranty of non-infringement of
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// any third-party rights.
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//
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// This program is distributed WITHOUT ANY WARRANTY, without even the implied warranty
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// of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. For details, see
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// the GNU AGPL at: http://www.gnu.org/licenses/agpl-3.0.html
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//
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// You can contact Ascensio System SIA at Lubanas st. 125a-25, Riga, Latvia, EU, LV-1021.
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//
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// The interactive user interfaces in modified source and object code versions of the Program must
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// display Appropriate Legal Notices, as required under Section 5 of the GNU AGPL version 3.
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//
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// Pursuant to Section 7(b) of the License you must retain the original Product logo when
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// distributing the program. Pursuant to Section 7(e) we decline to grant you any rights under
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// trademark law for use of our trademarks.
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//
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// All the Product's GUI elements, including illustrations and icon sets, as well as technical writing
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// content are licensed under the terms of the Creative Commons Attribution-ShareAlike 4.0
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// International. See the License terms at http://creativecommons.org/licenses/by-sa/4.0/legalcode
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namespace ASC.Common.Security.Authorizing;
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[Serializable]
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public class AuthorizingException : Exception
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{
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public ISubject Subject { get; internal set; }
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public IAction[] Actions { get; internal set; }
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public override string Message => _message;
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private readonly string _message;
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public AuthorizingException(string message)
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: base(message) { }
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public AuthorizingException(ISubject subject, IAction[] actions)
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{
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if (actions == null || actions.Length == 0)
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{
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throw new ArgumentNullException(nameof(actions));
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}
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ArgumentNullException.ThrowIfNull(subject);
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Subject = subject;
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Actions = actions;
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var sactions = "";
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Array.ForEach(actions, action => { sactions += action.ToString() + ", "; });
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_message = string.Format(
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"\"{0}\" access denied \"{1}\"",
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subject,
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sactions
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);
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}
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public AuthorizingException(ISubject subject, IAction[] actions, ISubject[] denySubjects, IAction[] denyActions) =>
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_message = FormatErrorMessage(subject, actions, denySubjects, denyActions);
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protected AuthorizingException(SerializationInfo info, StreamingContext context)
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: base(info, context)
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{
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_message = info.GetValue("_Message", typeof(string)) as string;
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Subject = info.GetValue("Subject", typeof(ISubject)) as ISubject;
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Actions = info.GetValue("Actions", typeof(IAction[])) as IAction[];
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}
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public override void GetObjectData(SerializationInfo info, StreamingContext context)
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{
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info.AddValue("Subject", Subject, typeof(ISubject));
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info.AddValue("_Message", _message, typeof(string));
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info.AddValue("Actions", Actions, typeof(IAction[]));
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base.GetObjectData(info, context);
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}
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internal static string FormatErrorMessage(ISubject subject, IAction[] actions, ISubject[] denySubjects,
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IAction[] denyActions)
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{
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ArgumentNullException.ThrowIfNull(subject);
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if (actions == null || actions.Length == 0)
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{
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throw new ArgumentNullException(nameof(actions));
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}
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if (denySubjects == null || denySubjects.Length == 0)
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{
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throw new ArgumentNullException(nameof(denySubjects));
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}
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if (denyActions == null || denyActions.Length == 0)
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{
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throw new ArgumentNullException(nameof(denyActions));
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}
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if (actions.Length != denySubjects.Length || actions.Length != denyActions.Length)
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{
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throw new ArgumentException();
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}
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var sb = new StringBuilder();
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for (var i = 0; i < actions.Length; i++)
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{
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var action = actions[i];
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var denyAction = denyActions[i];
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var denySubject = denySubjects[i];
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string reason;
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if (denySubject != null && denyAction != null)
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{
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reason = $"{action.Name}:{(denySubject is IRole ? "role:" : "") + denySubject.Name} access denied {denyAction.Name}.";
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}
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else
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{
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reason = $"{action.Name}: access denied.";
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}
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if (i != actions.Length - 1)
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{
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reason += ", ";
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}
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sb.Append(reason);
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}
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var reasons = sb.ToString();
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var sactions = "";
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Array.ForEach(actions, action => { sactions += action.ToString() + ", "; });
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var message = $"\"{(subject is IRole ? "role:" : "") + subject.Name}\" access denied \"{sactions}\". Cause: {reasons}.";
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return message;
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}
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}
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