Gary Sharp
265 lines
13 KiB
C#
265 lines
13 KiB
C#
using Disco.Data.Repository;
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using Disco.Services.Logging;
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using Disco.Models.Repository;
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using Quartz;
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using System;
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using System.Collections;
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using System.Collections.Generic;
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using System.Diagnostics;
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using System.DirectoryServices;
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using System.Linq;
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using System.Linq.Expressions;
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using System.Net.NetworkInformation;
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using System.Reflection;
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using Disco.Services.Tasks;
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namespace Disco.BI.Interop.ActiveDirectory
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{
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public class ActiveDirectoryUpdateLastNetworkLogonDateJob : ScheduledTask
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{
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public override string TaskName { get { return "Active Directory - Update Last Network Logon Dates Task"; } }
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public override bool SingleInstanceTask { get { return true; } }
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public override bool CancelInitiallySupported { get { return false; } }
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public override void InitalizeScheduledTask(DiscoDataContext dbContext)
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{
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// ActiveDirectoryUpdateLastNetworkLogonDateJob @ 11:30pm
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TriggerBuilder triggerBuilder = TriggerBuilder.Create().
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WithSchedule(CronScheduleBuilder.DailyAtHourAndMinute(23, 30));
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this.ScheduleTask(triggerBuilder);
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}
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protected override void ExecuteTask()
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{
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int changeCount;
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this.Status.UpdateStatus(1, "Starting", "Connecting to the Database and initializing the environment");
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using (DiscoDataContext dbContext = new DiscoDataContext())
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{
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UpdateLastNetworkLogonDates(dbContext, this.Status);
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this.Status.UpdateStatus(95, "Updating Database", "Writing last network logon dates to the Database");
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changeCount = dbContext.SaveChanges();
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this.Status.Finished(string.Format("{0} Device last network logon dates updated", changeCount), "/Config/SystemConfig");
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}
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SystemLog.LogInformation(new string[]
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{
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"Updated LastNetworkLogon Device Property for Device/s",
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changeCount.ToString()
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});
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}
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public static ScheduledTaskStatus ScheduleImmediately()
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{
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var existingTask = ScheduledTasks.GetTaskStatuses(typeof(ActiveDirectoryUpdateLastNetworkLogonDateJob)).Where(s => s.IsRunning).FirstOrDefault();
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if (existingTask != null)
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return existingTask;
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var instance = new ActiveDirectoryUpdateLastNetworkLogonDateJob();
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return instance.ScheduleTask();
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}
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public static bool UpdateLastNetworkLogonDate(Device Device)
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{
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System.DateTime? computerLastLogonDate = Device.LastNetworkLogonDate;
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if (!string.IsNullOrEmpty(Device.ComputerName))
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{
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foreach (var dcName in ActiveDirectoryHelpers.DefaultDomainDCNames)
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{
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try
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{
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Ping p = new Ping();
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PingReply pr;
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try
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{
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pr = p.Send(dcName, 500);
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}
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finally
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{
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if (p != null)
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{
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((System.IDisposable)p).Dispose();
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}
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}
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if (pr.Status == IPStatus.Success)
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{
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using (DirectoryEntry dRootEntry = ActiveDirectoryHelpers.DefaultDCLdapRoot(dcName))
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{
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DirectorySearcher dSearcher = new DirectorySearcher(dRootEntry, string.Format("(&(objectClass=computer)(sAMAccountName={0}$))", ActiveDirectoryHelpers.EscapeLdapQuery(Device.ComputerName)), new string[]
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{
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"lastLogon"
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}, SearchScope.Subtree);
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SearchResult dResult = dSearcher.FindOne();
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if (dResult != null)
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{
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ResultPropertyValueCollection dProp = dResult.Properties["lastLogon"];
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if (dProp != null && dProp.Count > 0)
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{
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long lastLogonInt = (long)dProp[0];
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if (lastLogonInt > 0L)
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{
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System.DateTime computerNameDate = System.DateTime.FromFileTime(lastLogonInt);
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if (computerLastLogonDate.HasValue)
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{
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if (System.DateTime.Compare(computerLastLogonDate.Value, computerNameDate) < 0)
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{
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computerLastLogonDate = computerNameDate;
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}
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}
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else
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{
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computerLastLogonDate = computerNameDate;
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}
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}
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}
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}
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}
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}
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else
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{
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SystemLog.LogError(new string[]
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{
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string.Format("Unable to ping Domain Controller: '{0}' (ref: Disco.BI.Interop.ActiveDirectory.ActiveDirectoryUpdateLastNetworkLogonDateJob.UpdateDeviceLastNetworkLogonDate)", dcName)
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});
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}
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}
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catch (System.Exception ex)
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{
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SystemLog.LogException("UpdateDeviceLastNetworkLogonDate", ex);
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}
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}
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}
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bool UpdateLastNetworkLogonDate;
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if (computerLastLogonDate.HasValue)
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{
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if (!Device.LastNetworkLogonDate.HasValue)
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{
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Device.LastNetworkLogonDate = computerLastLogonDate;
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UpdateLastNetworkLogonDate = true;
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return UpdateLastNetworkLogonDate;
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}
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if (System.DateTime.Compare(computerLastLogonDate.Value, Device.LastNetworkLogonDate.Value) > 0)
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{
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Device.LastNetworkLogonDate = computerLastLogonDate;
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UpdateLastNetworkLogonDate = true;
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return UpdateLastNetworkLogonDate;
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}
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}
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UpdateLastNetworkLogonDate = false;
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return UpdateLastNetworkLogonDate;
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}
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private static void UpdateLastNetworkLogonDates(DiscoDataContext context, ScheduledTaskStatus status)
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{
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System.Collections.Generic.Dictionary<string, System.DateTime> computerLastLogonDates = new System.Collections.Generic.Dictionary<string, System.DateTime>();
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int progressDCCountTotal = ActiveDirectoryHelpers.DefaultDomainDCNames.Count;
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int progressDCCount = 0;
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double progressDCProgress = 0;
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if (progressDCCountTotal > 0)
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progressDCProgress = 90 / progressDCCountTotal;
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foreach (var dcName in ActiveDirectoryHelpers.DefaultDomainDCNames)
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{
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try
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{
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PingReply pr;
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using (Ping p = new Ping())
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{
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pr = p.Send(dcName, 2000);
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}
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if (pr.Status == IPStatus.Success)
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{
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using (DirectoryEntry dRootEntry = ActiveDirectoryHelpers.DefaultDCLdapRoot(dcName))
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{
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double progressDCStart = 5 + (progressDCCount * progressDCProgress);
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status.UpdateStatus(progressDCStart, string.Format("Querying Domain Controller: {0}", dcName), "Searching...");
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using (DirectorySearcher dSearcher = new DirectorySearcher(dRootEntry, "(objectClass=computer)", new string[] { "sAMAccountName", "lastLogon" }, SearchScope.Subtree))
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{
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using (SearchResultCollection dResults = dSearcher.FindAll())
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{
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int progressItemCount = 0;
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double progressItemProgress = dResults.Count == 0 ? 0 : (progressDCProgress / dResults.Count);
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foreach (SearchResult dResult in dResults)
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{
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ResultPropertyValueCollection dProp = dResult.Properties["sAMAccountName"];
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if (dProp != null && dProp.Count > 0)
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{
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string computerName = ((string)dProp[0]).TrimEnd(new char[] { '$' }).ToUpper();
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if (progressItemCount % 150 == 0) // Only Update Status every 150 devices
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status.UpdateStatus(progressDCStart + (progressItemProgress * progressItemCount), string.Format("Analysing Device: {0}", computerName));
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dProp = dResult.Properties["lastLogon"];
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if (dProp != null && dProp.Count > 0)
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{
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long lastLogonInt = (long)dProp[0];
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if (lastLogonInt > 0L)
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{
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System.DateTime computerNameDate = System.DateTime.FromFileTime(lastLogonInt);
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System.DateTime existingDate;
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if (computerLastLogonDates.TryGetValue(computerName, out existingDate))
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{
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if (System.DateTime.Compare(existingDate, computerNameDate) < 0)
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{
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computerLastLogonDates[computerName] = computerNameDate;
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}
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}
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else
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{
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computerLastLogonDates[computerName] = computerNameDate;
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}
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}
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}
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}
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progressItemCount++;
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}
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}
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}
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}
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}
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else
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{
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SystemLog.LogError(new string[]
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{
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string.Format("Unable to ping Domain Controller: '{0}' (ref: Disco.BI.Interop.ActiveDirectory.ActiveDirectoryUpdateLastNetworkLogonDateJob.UpdateLastNetworkLogonDates)", dcName)
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});
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}
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}
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catch (System.Exception ex)
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{
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SystemLog.LogException("UpdateLastNetworkLogonDates", ex);
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}
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progressDCCount++;
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}
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foreach (Device d in context.Devices.Where(device => device.ComputerName != null))
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{
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DateTime computerLastLogonDate;
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if (computerLastLogonDates.TryGetValue(d.ComputerName.ToUpper(), out computerLastLogonDate))
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{
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if (d.LastNetworkLogonDate.HasValue)
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{
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// Change accuracy to the second
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computerLastLogonDate = new DateTime((computerLastLogonDate.Ticks / 10000000L) * 10000000L);
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if (System.DateTime.Compare(d.LastNetworkLogonDate.Value, computerLastLogonDate) < 0)
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{
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d.LastNetworkLogonDate = computerLastLogonDate;
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}
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}
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else
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{
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d.LastNetworkLogonDate = computerLastLogonDate;
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}
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}
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}
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}
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}
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}
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