Feature #49: Active Directory Managed Groups

Document Template Attachments, Device Batches, Device Profiles and User Flags can be associated with an Active Directory group. This AD group is then automatically synchronized with relevant User/Machine accounts. Contains various other UI tweaks and configuration enhancements.
2014-06-16 22:21:31 +10:00
parent ebf78dd08d
commit a819d2722a
119 changed files with 8349 additions and 2373 deletions
@@ -0,0 +1,186 @@
+using Disco.Data.Repository;
+using Disco.Data.Repository.Monitor;
+using Disco.Models.Repository;
+using Disco.Models.Services.Interop.ActiveDirectory;
+using Disco.Services.Interop.ActiveDirectory;
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using System.Reactive.Linq;
+
+namespace Disco.Services.Devices.ManagedGroups
+{
+    public class DeviceProfileAssignedUsersManagedGroup : ADManagedGroup
+    {
+        private const string KeyFormat = "DeviceProfile_{0}_AssignedUsers";
+        private const string DescriptionFormat = "Devices within the {0} Profile will have their assigned users added to this Active Directory group.";
+        private const string CategoryDescriptionFormat = "Assigned Users Linked Group";
+        private const string GroupDescriptionFormat = "{0} [Device Profile Assigned Users]";
+        
+        private static Lazy<IObservable<RepositoryMonitorEvent>> RepositoryEvents;
+
+        private IDisposable repositorySubscription;
+        private int DeviceProfileId;
+        private string DeviceProfileName;
+
+        public override string Description { get { return string.Format(DescriptionFormat, DeviceProfileName); } }
+        public override string CategoryDescription { get { return CategoryDescriptionFormat; } }
+        public override string GroupDescription { get { return string.Format(GroupDescriptionFormat, DeviceProfileName); } }
+        public override bool IncludeFilterBeginDate { get { return false; } }
+
+        static DeviceProfileAssignedUsersManagedGroup()
+        {
+            RepositoryEvents =
+                new Lazy<IObservable<RepositoryMonitorEvent>>(() =>
+                    RepositoryMonitor.StreamBeforeCommit.Where(e =>
+                        e.EntityType == typeof(Device) && (
+                        (e.EventType == RepositoryMonitorEventType.Added &&
+                            ((Device)e.Entity).AssignedUserId != null) ||
+                        (e.EventType == RepositoryMonitorEventType.Modified &&
+                            (e.ModifiedProperties.Contains("DeviceProfileId") || e.ModifiedProperties.Contains("AssignedUserId"))) ||
+                        (e.EventType == RepositoryMonitorEventType.Deleted &&
+                            ((Device)e.Entity).AssignedUserId != null))
+                        )
+                    );
+        }
+
+        private DeviceProfileAssignedUsersManagedGroup(string Key, ADManagedGroupConfiguration Configuration, DeviceProfile DeviceProfile)
+            : base(Key, Configuration)
+        {
+            this.DeviceProfileId = DeviceProfile.Id;
+            this.DeviceProfileName = DeviceProfile.Name;
+        }
+
+        public override void Initialize()
+        {
+            // Subscribe to changes
+            repositorySubscription = RepositoryEvents.Value
+                .Where(e =>
+                    (((Device)e.Entity).DeviceProfileId == DeviceProfileId) ||
+                    (e.EventType == RepositoryMonitorEventType.Modified && e.GetPreviousPropertyValue<int>("DeviceProfileId") == DeviceProfileId))
+                .Subscribe(ProcessRepositoryEvent);
+        }
+
+        public static string GetKey(DeviceProfile DeviceProfile)
+        {
+            return string.Format(KeyFormat, DeviceProfile.Id);
+        }
+        public static string GetDescription(DeviceProfile DeviceProfile)
+        {
+            return string.Format(DescriptionFormat, DeviceProfile.Name);
+        }
+        public static string GetCategoryDescription(DeviceProfile DeviceProfile)
+        {
+            return CategoryDescriptionFormat;
+        }
+
+        public static bool TryGetManagedGroup(DeviceProfile DeviceProfile, out DeviceProfileAssignedUsersManagedGroup ManagedGroup)
+        {
+            ADManagedGroup managedGroup;
+            string key = GetKey(DeviceProfile);
+
+            if (ActiveDirectory.Context.ManagedGroups.TryGetValue(key, out managedGroup))
+            {
+                ManagedGroup = (DeviceProfileAssignedUsersManagedGroup)managedGroup;
+                return true;
+            }
+            else
+            {
+                ManagedGroup = null;
+                return false;
+            }
+        }
+
+        public static DeviceProfileAssignedUsersManagedGroup Initialize(DeviceProfile DeviceProfile)
+        {
+            if (DeviceProfile.Id > 0)
+            {
+                var key = GetKey(DeviceProfile);
+
+                if (!string.IsNullOrEmpty(DeviceProfile.AssignedUsersLinkedGroup))
+                {
+                    var config = ADManagedGroup.ConfigurationFromJson(DeviceProfile.AssignedUsersLinkedGroup);
+
+                    if (config != null && !string.IsNullOrWhiteSpace(config.GroupId))
+                    {
+                        var group = new DeviceProfileAssignedUsersManagedGroup(
+                            key,
+                            config,
+                            DeviceProfile);
+
+                        // Add to AD Context
+                        ActiveDirectory.Context.ManagedGroups.AddOrUpdate(group);
+
+                        return group;
+                    }
+                }
+
+                // Remove from AD Context
+                ActiveDirectory.Context.ManagedGroups.Remove(key);
+            }
+
+            return null;
+        }
+
+        public override IEnumerable<string> DetermineMembers(DiscoDataContext Database)
+        {
+            return Database.Devices
+                .Where(d => d.DeviceProfileId == this.DeviceProfileId)
+                .Where(d => d.AssignedUserId != null)
+                .Select(d => d.AssignedUserId);
+        }
+
+        private void ProcessRepositoryEvent(RepositoryMonitorEvent Event)
+        {
+            var device = (Device)Event.Entity;
+            string previousUserId = Event.GetPreviousPropertyValue<string>("AssignedUserId");
+
+            Event.ExecuteAfterCommit(e =>
+            {
+                switch (e.EventType)
+                {
+                    case RepositoryMonitorEventType.Added:
+                        AddMember(device.AssignedUserId);
+                        break;
+                    case RepositoryMonitorEventType.Modified:
+                        if (device.DeviceProfileId == this.DeviceProfileId)
+                        {
+                            if (device.AssignedUserId != null)
+                                AddMember(device.AssignedUserId);
+
+                            if (e.ModifiedProperties.Contains("AssignedUserId"))
+                            {
+                                if (previousUserId != null)
+                                    RemoveMember(previousUserId, (database) =>
+                                        !database.Devices.Any(d => d.DeviceProfileId == this.DeviceProfileId && d.AssignedUserId == previousUserId)
+                                            ? new string[] { previousUserId }
+                                            : null);
+                            }
+                        }
+                        else
+                        {
+                            if (previousUserId != null)
+                                RemoveMember(previousUserId, (database) =>
+                                    !database.Devices.Any(d => d.DeviceProfileId == this.DeviceProfileId && d.AssignedUserId == previousUserId)
+                                        ? new string[] { previousUserId }
+                                        : null);
+                        }
+                        break;
+                    case RepositoryMonitorEventType.Deleted:
+                        if (previousUserId != null)
+                            RemoveMember(previousUserId, (database) =>
+                                !database.Devices.Any(d => d.DeviceProfileId == this.DeviceProfileId && d.AssignedUserId == previousUserId)
+                                    ? new string[] { previousUserId }
+                                    : null);
+                        break;
+                }
+            });
+        }
+
+        public override void Dispose()
+        {
+            if (repositorySubscription != null)
+                repositorySubscription.Dispose();
+        }
+    }
+}