123 lines
5.3 KiB
C#
123 lines
5.3 KiB
C#
/*
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*
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* (c) Copyright Ascensio System Limited 2010-2018
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*
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* This program is freeware. You can redistribute it and/or modify it under the terms of the GNU
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* General Public License (GPL) version 3 as published by the Free Software Foundation (https://www.gnu.org/copyleft/gpl.html).
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* In accordance with Section 7(a) of the GNU GPL its Section 15 shall be amended to the effect that
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* Ascensio System SIA expressly excludes the warranty of non-infringement of any third-party rights.
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*
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* THIS PROGRAM IS DISTRIBUTED WITHOUT ANY WARRANTY; WITHOUT EVEN THE IMPLIED WARRANTY OF MERCHANTABILITY OR
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* FITNESS FOR A PARTICULAR PURPOSE. For more details, see GNU GPL at https://www.gnu.org/copyleft/gpl.html
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*
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* You can contact Ascensio System SIA by email at sales@onlyoffice.com
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*
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* The interactive user interfaces in modified source and object code versions of ONLYOFFICE must display
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* Appropriate Legal Notices, as required under Section 5 of the GNU GPL version 3.
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*
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* Pursuant to Section 7 § 3(b) of the GNU GPL you must retain the original ONLYOFFICE logo which contains
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* relevant author attributions when distributing the software. If the display of the logo in its graphic
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* form is not reasonably feasible for technical reasons, you must include the words "Powered by ONLYOFFICE"
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* in every copy of the program you distribute.
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* Pursuant to Section 7 § 3(e) we decline to grant you any rights under trademark law for use of our trademarks.
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*
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*/
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#region usings
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using System;
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using System.Runtime.Serialization;
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using System.Text;
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#endregion
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namespace ASC.Common.Security.Authorizing
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{
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[Serializable]
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public class AuthorizingException : Exception
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{
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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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{
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}
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public AuthorizingException(ISubject subject, IAction[] actions)
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{
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if (actions == null || actions.Length == 0) throw new ArgumentNullException(nameof(actions));
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Subject = subject ?? throw new ArgumentNullException(nameof(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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{
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_Message = FormatErrorMessage(subject, actions, denySubjects, denyActions);
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}
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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 string Message
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{
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get { return _Message; }
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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 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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if (subject == null) throw new ArgumentNullException(nameof(subject));
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if (actions == null || actions.Length == 0) throw new ArgumentNullException(nameof(actions));
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if (denySubjects == null || denySubjects.Length == 0) throw new ArgumentNullException(nameof(denySubjects));
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if (denyActions == null || denyActions.Length == 0) throw new ArgumentNullException(nameof(denyActions));
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if (actions.Length != denySubjects.Length || actions.Length != denyActions.Length)
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throw new ArgumentException();
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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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reason = $"{action.Name}:{(denySubject is IRole ? "role:" : "") + denySubject.Name} access denied {denyAction.Name}.";
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else
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reason = $"{action.Name}: access denied.";
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if (i != actions.Length - 1)
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reason += ", ";
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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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} |