GIT: perform LF normalization
This commit is contained in:
Gary Sharp
@@ -1,186 +1,186 @@
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.DirectoryServices;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Disco.Data.Repository;
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using Disco.Services.Tasks;
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using Quartz;
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namespace Disco.BI.Interop.ActiveDirectory
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{
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public class ActiveDirectoryCachedGroups : ScheduledTask
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{
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private static ConcurrentDictionary<string, Tuple<ADCachedGroup, DateTime>> _Cache = new ConcurrentDictionary<string, Tuple<ADCachedGroup, DateTime>>();
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private const long CacheTimeoutTicks = 6000000000; // 10 Minutes
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public static IEnumerable<string> GetGroups(IEnumerable<string> GroupCNs)
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{
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List<ADCachedGroup> groups = new List<ADCachedGroup>();
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foreach (var groupCN in GroupCNs)
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foreach (var group in GetGroupsRecursive(groupCN, new Stack<ADCachedGroup>()))
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if (!groups.Contains(group))
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{
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groups.Add(group);
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yield return group.FriendlyName;
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}
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}
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public static IEnumerable<string> GetGroups(string GroupCN)
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{
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foreach (var group in GetGroupsRecursive(GroupCN, new Stack<ADCachedGroup>()))
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yield return group.FriendlyName;
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}
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private static IEnumerable<ADCachedGroup> GetGroupsRecursive(string GroupCN, Stack<ADCachedGroup> RecursiveTree)
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{
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var group = GetGroup(GroupCN);
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if (group != null && !RecursiveTree.Contains(group))
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{
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yield return group;
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if (group.MemberOf != null)
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{
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RecursiveTree.Push(group);
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foreach (var memberOfGroupCN in group.MemberOf)
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foreach (var memberOfGroup in GetGroupsRecursive(memberOfGroupCN, RecursiveTree))
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yield return memberOfGroup;
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RecursiveTree.Pop();
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}
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}
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}
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private static ADCachedGroup GetGroup(string GroupCN)
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{
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// Check Cache
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Tuple<ADCachedGroup, DateTime> groupRecord = TryCache(GroupCN);
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if (groupRecord == null)
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{
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// Load from AD
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var group = ADCachedGroup.LoadFromAD(GroupCN);
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SetValue(GroupCN, group);
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return group;
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}
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else
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{
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// Return from Cache
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return groupRecord.Item1;
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}
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}
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private static Tuple<ADCachedGroup, DateTime> TryCache(string GroupCN)
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{
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string groupCN = GroupCN.ToLower();
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Tuple<ADCachedGroup, DateTime> groupRecord;
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if (_Cache.TryGetValue(groupCN, out groupRecord))
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{
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if (groupRecord.Item2 > DateTime.Now)
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return groupRecord;
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else
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_Cache.TryRemove(groupCN, out groupRecord);
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}
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return null;
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}
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private static bool SetValue(string GroupCN, ADCachedGroup GroupRecord)
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{
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string key = GroupCN.ToLower();
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Tuple<ADCachedGroup, DateTime> groupRecord = new Tuple<ADCachedGroup, DateTime>(GroupRecord, DateTime.Now.AddTicks(CacheTimeoutTicks));
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if (_Cache.ContainsKey(key))
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{
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Tuple<ADCachedGroup, DateTime> oldGroupRecord;
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if (_Cache.TryGetValue(key, out oldGroupRecord))
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{
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return _Cache.TryUpdate(key, groupRecord, oldGroupRecord);
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}
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}
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return _Cache.TryAdd(key, groupRecord);
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}
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private class ADCachedGroup
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{
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public string CN { get; private set; }
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public string FriendlyName { get; private set; }
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public List<string> MemberOf { get; private set; }
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public static ADCachedGroup LoadFromAD(string CN)
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{
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ADCachedGroup group = null;
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using (DirectoryEntry groupDE = new DirectoryEntry(string.Concat(ActiveDirectoryHelpers.DefaultLdapPath, CN)))
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{
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if (groupDE != null)
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{
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group = new ADCachedGroup()
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{
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CN = CN
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};
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group.FriendlyName = (string)groupDE.Properties["sAMAccountName"].Value;
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var groupMemberOf = groupDE.Properties["memberOf"];
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if (groupMemberOf != null && groupMemberOf.Count > 0)
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{
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group.MemberOf = groupMemberOf.Cast<string>().ToList();
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}
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}
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}
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return group;
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}
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private ADCachedGroup()
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{
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// Private Constructor
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}
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}
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private static void CleanStaleCache()
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{
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var groupKeys = _Cache.Keys.ToArray();
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foreach (string groupKey in groupKeys)
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{
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Tuple<ADCachedGroup, DateTime> groupRecord;
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if (_Cache.TryGetValue(groupKey, out groupRecord))
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{
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if (groupRecord.Item2 <= DateTime.Now)
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_Cache.TryRemove(groupKey, out groupRecord);
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}
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}
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}
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public override string TaskName { get { return "AD Group Cache - Clean Stale Cache"; } }
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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 bool LogExceptionsOnly { get { return true; } }
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public override void InitalizeScheduledTask(DiscoDataContext dbContext)
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{
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// Run @ every 15mins
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// Next 15min interval
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DateTime now = DateTime.Now;
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int mins = (15 - (now.Minute % 15));
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if (mins < 10)
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mins += 15;
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DateTimeOffset startAt = new DateTimeOffset(now).AddMinutes(mins).AddSeconds(now.Second * -1).AddMilliseconds(now.Millisecond * -1);
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TriggerBuilder triggerBuilder = TriggerBuilder.Create().StartAt(startAt).
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WithSchedule(SimpleScheduleBuilder.RepeatMinutelyForever(15));
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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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CleanStaleCache();
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}
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}
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}
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using System;
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using System.Collections.Concurrent;
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using System.Collections.Generic;
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using System.DirectoryServices;
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using System.Linq;
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using System.Text;
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using System.Threading.Tasks;
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using Disco.Data.Repository;
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using Disco.Services.Tasks;
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using Quartz;
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namespace Disco.BI.Interop.ActiveDirectory
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{
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public class ActiveDirectoryCachedGroups : ScheduledTask
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{
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private static ConcurrentDictionary<string, Tuple<ADCachedGroup, DateTime>> _Cache = new ConcurrentDictionary<string, Tuple<ADCachedGroup, DateTime>>();
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private const long CacheTimeoutTicks = 6000000000; // 10 Minutes
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public static IEnumerable<string> GetGroups(IEnumerable<string> GroupCNs)
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{
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List<ADCachedGroup> groups = new List<ADCachedGroup>();
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foreach (var groupCN in GroupCNs)
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foreach (var group in GetGroupsRecursive(groupCN, new Stack<ADCachedGroup>()))
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if (!groups.Contains(group))
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{
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groups.Add(group);
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yield return group.FriendlyName;
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}
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}
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public static IEnumerable<string> GetGroups(string GroupCN)
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{
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foreach (var group in GetGroupsRecursive(GroupCN, new Stack<ADCachedGroup>()))
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yield return group.FriendlyName;
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}
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private static IEnumerable<ADCachedGroup> GetGroupsRecursive(string GroupCN, Stack<ADCachedGroup> RecursiveTree)
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{
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var group = GetGroup(GroupCN);
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if (group != null && !RecursiveTree.Contains(group))
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{
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yield return group;
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if (group.MemberOf != null)
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{
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RecursiveTree.Push(group);
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foreach (var memberOfGroupCN in group.MemberOf)
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foreach (var memberOfGroup in GetGroupsRecursive(memberOfGroupCN, RecursiveTree))
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yield return memberOfGroup;
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RecursiveTree.Pop();
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}
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}
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}
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private static ADCachedGroup GetGroup(string GroupCN)
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{
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// Check Cache
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Tuple<ADCachedGroup, DateTime> groupRecord = TryCache(GroupCN);
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if (groupRecord == null)
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{
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// Load from AD
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var group = ADCachedGroup.LoadFromAD(GroupCN);
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SetValue(GroupCN, group);
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return group;
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}
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else
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{
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// Return from Cache
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return groupRecord.Item1;
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}
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}
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private static Tuple<ADCachedGroup, DateTime> TryCache(string GroupCN)
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{
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string groupCN = GroupCN.ToLower();
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Tuple<ADCachedGroup, DateTime> groupRecord;
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if (_Cache.TryGetValue(groupCN, out groupRecord))
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{
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if (groupRecord.Item2 > DateTime.Now)
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return groupRecord;
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else
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_Cache.TryRemove(groupCN, out groupRecord);
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}
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return null;
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}
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private static bool SetValue(string GroupCN, ADCachedGroup GroupRecord)
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{
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string key = GroupCN.ToLower();
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Tuple<ADCachedGroup, DateTime> groupRecord = new Tuple<ADCachedGroup, DateTime>(GroupRecord, DateTime.Now.AddTicks(CacheTimeoutTicks));
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if (_Cache.ContainsKey(key))
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{
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Tuple<ADCachedGroup, DateTime> oldGroupRecord;
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if (_Cache.TryGetValue(key, out oldGroupRecord))
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{
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return _Cache.TryUpdate(key, groupRecord, oldGroupRecord);
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}
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}
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return _Cache.TryAdd(key, groupRecord);
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}
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private class ADCachedGroup
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{
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public string CN { get; private set; }
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public string FriendlyName { get; private set; }
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public List<string> MemberOf { get; private set; }
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public static ADCachedGroup LoadFromAD(string CN)
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{
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ADCachedGroup group = null;
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using (DirectoryEntry groupDE = new DirectoryEntry(string.Concat(ActiveDirectoryHelpers.DefaultLdapPath, CN)))
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{
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if (groupDE != null)
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{
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group = new ADCachedGroup()
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{
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CN = CN
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};
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group.FriendlyName = (string)groupDE.Properties["sAMAccountName"].Value;
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var groupMemberOf = groupDE.Properties["memberOf"];
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if (groupMemberOf != null && groupMemberOf.Count > 0)
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{
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group.MemberOf = groupMemberOf.Cast<string>().ToList();
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}
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}
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}
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return group;
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}
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private ADCachedGroup()
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{
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// Private Constructor
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}
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}
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private static void CleanStaleCache()
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{
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var groupKeys = _Cache.Keys.ToArray();
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foreach (string groupKey in groupKeys)
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{
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Tuple<ADCachedGroup, DateTime> groupRecord;
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if (_Cache.TryGetValue(groupKey, out groupRecord))
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{
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if (groupRecord.Item2 <= DateTime.Now)
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_Cache.TryRemove(groupKey, out groupRecord);
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}
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}
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}
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public override string TaskName { get { return "AD Group Cache - Clean Stale Cache"; } }
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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 bool LogExceptionsOnly { get { return true; } }
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public override void InitalizeScheduledTask(DiscoDataContext dbContext)
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{
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// Run @ every 15mins
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// Next 15min interval
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DateTime now = DateTime.Now;
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int mins = (15 - (now.Minute % 15));
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if (mins < 10)
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mins += 15;
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DateTimeOffset startAt = new DateTimeOffset(now).AddMinutes(mins).AddSeconds(now.Second * -1).AddMilliseconds(now.Millisecond * -1);
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TriggerBuilder triggerBuilder = TriggerBuilder.Create().StartAt(startAt).
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WithSchedule(SimpleScheduleBuilder.RepeatMinutelyForever(15));
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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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CleanStaleCache();
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}
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}
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}
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