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https://github.com/xcp-ng/xenadmin.git
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ae22560ce8
prevent them from being serialised alongside the API properties. This will also be useful for moving the API bindings out of XenModel. Signed-off-by: Konstantina Chremmou <konstantina.chremmou@citrix.com>
430 lines
16 KiB
C#
430 lines
16 KiB
C#
/* Copyright (c) Citrix Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms,
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* with or without modification, are permitted provided
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* that the following conditions are met:
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*
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* * Redistributions of source code must retain the above
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* copyright notice, this list of conditions and the
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* following disclaimer.
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* * Redistributions in binary form must reproduce the above
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* copyright notice, this list of conditions and the
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* following disclaimer in the documentation and/or other
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* materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
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* CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
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* INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
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* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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using System;
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using System.Collections.Generic;
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using System.Drawing;
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using System.Windows.Forms;
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using XenAdmin.Controls;
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using XenAdmin.Network;
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using XenAPI;
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using System.Threading;
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using XenAdmin.Core;
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using XenAdmin.Properties;
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using System.Linq;
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namespace XenAdmin.Wizards.GenericPages
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{
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public partial class RBACWarningPage : XenTabPage
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{
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private static readonly log4net.ILog log = log4net.LogManager.GetLogger(System.Reflection.MethodBase.GetCurrentMethod().DeclaringType);
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private readonly Dictionary<IXenConnection, List<WizardPermissionCheck>> checksPerConnectionDict;
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private Thread bgThread;
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private bool refreshPage = false;
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private bool finished = false;
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public bool blockProgress = false;
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public RBACWarningPage(string description)
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: this()
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{
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labelDescription.Text = description;
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}
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public RBACWarningPage()
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{
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InitializeComponent();
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checksPerConnectionDict = new Dictionary<IXenConnection, List<WizardPermissionCheck>>();
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}
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public override string HelpID { get { return "RBAC"; } }
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public override string Text { get { return Messages.RBAC_WARNING_PAGE_TEXT_TITLE; } }
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public override string PageTitle { get { return Messages.RBAC_WARNING_PAGE_TEXT_TITLE; } }
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public void AddPermissionChecks(IXenConnection connection, params WizardPermissionCheck[] permissionChecks)
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{
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if (!checksPerConnectionDict.ContainsKey(connection))
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{
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checksPerConnectionDict.Add(connection, new List<WizardPermissionCheck>());
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}
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checksPerConnectionDict[connection].AddRange(permissionChecks);
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}
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public void ClearPermissionChecks()
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{
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DeregisterConnectionEvents();
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checksPerConnectionDict.Clear();
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}
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public override void PageLoaded(PageLoadedDirection direction)
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{
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RegisterConnectionEvents();
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RefreshPage();
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base.PageLoaded(direction);
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}
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void Connection_ConnectionResult(object sender, ConnectionResultEventArgs e)
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{
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if (e.Connected)
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Program.Invoke(this, RefreshPage);
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}
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public override void PageLeave(PageLoadedDirection direction, ref bool cancel)
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{
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DeregisterConnectionEvents();
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base.PageLeave(direction, ref cancel);
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}
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public override void PageCancelled()
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{
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DeregisterConnectionEvents();
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base.PageCancelled();
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}
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public void RefreshPage()
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{
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if (bgThread == null || !bgThread.IsAlive)
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{
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bgThread = new Thread(RetrieveRBACWarnings);
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bgThread.IsBackground = true;
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bgThread.Start();
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}
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else
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{
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refreshPage = true;
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}
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}
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public override bool EnableNext()
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{
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return !blockProgress && finished;
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}
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private void RegisterConnectionEvents()
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{
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foreach (var connectionChecks in checksPerConnectionDict)
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{
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IXenConnection connection = connectionChecks.Key;
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connection.ConnectionResult += Connection_ConnectionResult;
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}
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}
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private void DeregisterConnectionEvents()
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{
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foreach (var connectionChecks in checksPerConnectionDict)
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{
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IXenConnection connection = connectionChecks.Key;
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connection.ConnectionResult -= Connection_ConnectionResult;
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}
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}
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private PermissionCheckResult RunPermissionChecks(IXenConnection connection,
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List<WizardPermissionCheck> permissionChecks, out List<WizardPermissionCheck> errors,
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out List<WizardPermissionCheck> warnings)
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{
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PermissionCheckResult checkResult = PermissionCheckResult.OK;
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errors = new List<WizardPermissionCheck>();
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warnings = new List<WizardPermissionCheck>();
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foreach (WizardPermissionCheck wpc in permissionChecks)
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{
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List<Role> rolesAbleToComplete = Role.ValidRoleList(wpc.ApiCallsToCheck, connection);
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List<Role> subjectRoles = connection.Session.Roles;
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if (subjectRoles.Find(rolesAbleToComplete.Contains) != null)
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continue;
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log.DebugFormat("Failed RBAC check: {0}", wpc.WarningMessage);
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if (wpc.Blocking)
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{
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errors.Add(wpc);
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checkResult = PermissionCheckResult.Failed;
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}
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else
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{
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warnings.Add(wpc);
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if (checkResult == PermissionCheckResult.OK)
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checkResult = PermissionCheckResult.Warning;
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}
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}
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return checkResult;
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}
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private void RetrieveRBACWarnings()
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{
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SetUpdating();
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foreach (var connectionChecks in checksPerConnectionDict)
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{
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IXenConnection connection = connectionChecks.Key;
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PermissionCheckHeaderRow headerRow = AddHeaderRow(connection);
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PermissionCheckResult checkResult = PermissionCheckResult.OK;
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if (connection.Session.IsLocalSuperuser || connectionChecks.Value.Count == 0)
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{
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SetNoWarnings();
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}
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else
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{
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List<WizardPermissionCheck> errors;
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List<WizardPermissionCheck> warnings;
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checkResult = RunPermissionChecks(connection, connectionChecks.Value, out errors, out warnings);
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switch (checkResult)
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{
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case PermissionCheckResult.OK:
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SetNoWarnings();
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break;
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case PermissionCheckResult.Warning:
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AddWarnings(connection, warnings);
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break;
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case PermissionCheckResult.Failed:
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AddErrors(connection, errors);
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break;
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}
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}
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UpdateHeaderRow(headerRow, checkResult);
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}
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FinishedUpdating();
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}
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private void AddErrors(IXenConnection connection, List<WizardPermissionCheck> errors)
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{
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Program.AssertOffEventThread();
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if (connection.Session.IsLocalSuperuser)
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{
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// We should not be here.
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log.Warn("A local root account is being blocked access");
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}
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List<Role> roleList = connection.Session.Roles;
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roleList.Sort();
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foreach (WizardPermissionCheck wizardPermissionCheck in errors)
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{
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// the string is a format string that needs to take the current role (we use the subject they were authorised under which could be a group or user)
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string description = String.Format(wizardPermissionCheck.WarningMessage, roleList[0].FriendlyName());
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AddDetailsRow(description, PermissionCheckResult.Failed);
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}
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Program.Invoke(this, () => blockProgress = true);
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}
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private void FinishedUpdating()
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{
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if (refreshPage)
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{
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// If we have received a request to refresh while updating then we run the logic again
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refreshPage = false;
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RetrieveRBACWarnings();
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return;
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}
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finished = true;
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Program.Invoke(this, delegate
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{
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labelClickNext.Visible = !blockProgress;
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OnPageUpdated();
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});
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}
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private void AddWarnings(IXenConnection connection, List<WizardPermissionCheck> warnings)
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{
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List<Role> roleList = connection.Session.Roles;
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roleList.Sort();
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foreach (WizardPermissionCheck wizardPermissionCheck in warnings)
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{
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if (wizardPermissionCheck.WarningAction != null)
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wizardPermissionCheck.WarningAction();
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// the string is a format string that needs to take the current role (we use the subject they were authorised under which could be a group or user)
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string description = String.Format(wizardPermissionCheck.WarningMessage, roleList[0].FriendlyName());
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AddDetailsRow(description, PermissionCheckResult.Warning);
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}
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}
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private void SetNoWarnings()
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{
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AddDetailsRow(Messages.RBAC_NO_WIZARD_LIMITS, PermissionCheckResult.OK);
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}
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private void SetUpdating()
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{
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Program.AssertOffEventThread();
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Program.Invoke(this, delegate
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{
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blockProgress = false;
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finished = false;
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OnPageUpdated();
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labelClickNext.Visible = false;
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dataGridViewEx1.Rows.Clear();
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});
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}
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private PermissionCheckHeaderRow AddHeaderRow(IXenConnection connection)
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{
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Program.AssertOffEventThread();
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string text = string.Format(Messages.RBAC_WARNING_PAGE_HEADER_ROW_DESC, connection.Session.UserFriendlyName(),
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connection.Session.FriendlyRoleDescription(), connection.FriendlyName);
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PermissionCheckHeaderRow headerRow = new PermissionCheckHeaderRow(text);
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Program.Invoke(this, delegate
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{
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headerRow.SetPermissionCheckInProgress(true);
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dataGridViewEx1.Rows.Add(headerRow);
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});
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return headerRow;
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}
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private void UpdateHeaderRow(PermissionCheckHeaderRow headerRow, PermissionCheckResult checkResult)
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{
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Program.AssertOffEventThread();
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Program.Invoke(this, delegate
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{
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headerRow.SetPermissionCheckInProgress(false);
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headerRow.UpdateDescription(checkResult);
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});
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}
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private void AddDetailsRow(string desc, PermissionCheckResult checkResult)
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{
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Program.AssertOffEventThread();
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Program.Invoke(this, delegate
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{
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PermissionCheckDetailsRow detailsRow =
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new PermissionCheckDetailsRow(desc, checkResult);
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dataGridViewEx1.Rows.Add(detailsRow);
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});
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}
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internal enum PermissionCheckResult { OK, Warning, Failed }
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private abstract class PermissionCheckGridRow : DataGridViewRow
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{
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protected DataGridViewImageCell iconCell = new DataGridViewImageCell();
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protected DataGridViewTextBoxCell descriptionCell = new DataGridViewTextBoxCell();
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protected PermissionCheckGridRow()
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{
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Cells.Add(iconCell);
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Cells.Add(descriptionCell);
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}
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}
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private class PermissionCheckHeaderRow : PermissionCheckGridRow
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{
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private string description;
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public PermissionCheckHeaderRow(string desc)
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{
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iconCell.Value = new Bitmap(1, 1);
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description = desc;
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descriptionCell.Value = desc;
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descriptionCell.Style.Font = new Font(Program.DefaultFont, FontStyle.Bold);
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}
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public void UpdateDescription(PermissionCheckResult permissionCheckResult)
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{
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string result = permissionCheckResult == PermissionCheckResult.OK
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? Messages.GENERAL_STATE_OK
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: permissionCheckResult == PermissionCheckResult.Warning
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? Messages.WARNING
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: Messages.FAILED;
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descriptionCell.Value = string.Format("{0} {1}", description, result);
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}
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public void SetPermissionCheckInProgress(bool value)
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{
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iconCell.Value = value ? XenAdmin.Properties.Resources.ajax_loader : new Bitmap(1, 1);
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}
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}
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private class PermissionCheckDetailsRow : PermissionCheckGridRow
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{
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public PermissionCheckDetailsRow(string desc, PermissionCheckResult checkResult)
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{
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iconCell.Value = checkResult == PermissionCheckResult.OK
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? Resources._000_Tick_h32bit_16
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: checkResult == PermissionCheckResult.Warning
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? Resources._000_Alert2_h32bit_16
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: Resources._000_Abort_h32bit_16;
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descriptionCell.Value = desc;
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}
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}
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public delegate void PermissionCheckActionDelegate();
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public class WizardPermissionCheck
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{
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public RbacMethodList ApiCallsToCheck;
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/// <summary>
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/// This is the warning message will be displayed. It should be a format string which takes one input, the users current role, which will be supplied when the page is displayed.
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/// </summary>
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public string WarningMessage;
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/// <summary>
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/// If true, this warning will be the only one that displays, and will use the cross icon.
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/// </summary>
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public bool Blocking = false;
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public PermissionCheckActionDelegate WarningAction;
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public WizardPermissionCheck(string warningMessage)
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{
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this.WarningMessage = warningMessage;
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ApiCallsToCheck = new RbacMethodList();
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}
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public void AddApiCheck(string s)
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{
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ApiCallsToCheck.Add(s);
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}
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public void AddApiCheck(RbacMethod method)
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{
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ApiCallsToCheck.Add(method);
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}
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public void AddApiCheckRange(RbacMethodList methodList)
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{
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foreach (var method in methodList)
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ApiCallsToCheck.Add(method);
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}
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public void AddWarningAction(PermissionCheckActionDelegate d)
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{
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WarningAction = d;
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}
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}
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}
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}
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