Gary Sharp
406 lines
24 KiB
C#
406 lines
24 KiB
C#
using Disco.Data.Repository;
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using Disco.Models.ClientServices;
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using Disco.Models.Repository;
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using Disco.Services.Authorization;
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using Disco.Services.Interop.ActiveDirectory;
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using Disco.Services.Users;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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namespace Disco.Services.Devices.Enrolment
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{
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public static class WindowsDeviceEnrolment
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{
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public static EnrolResponse Enrol(DiscoDataContext Database, string Username, Enrol Request)
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{
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ADMachineAccount adMachineAccount = null;
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EnrolResponse response = new EnrolResponse();
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AuthorizationToken authenticatedToken = null;
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bool isAuthenticated = false;
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ADDomain domain = null;
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Lazy<ADDomainController> domainController = new Lazy<ADDomainController>(() =>
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{
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if (domain == null)
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throw new InvalidOperationException("The [domain] variable must be initialized first");
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return domain.GetAvailableDomainController(RequireWritable: true);
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});
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string sessionId = Guid.NewGuid().ToString("B");
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response.SessionId = sessionId;
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EnrolmentLog.LogSessionStarting(sessionId, Request.SerialNumber, EnrolmentTypes.Normal);
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EnrolmentLog.LogSessionDeviceInfo(sessionId, Request);
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try
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{
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if (Request.SerialNumber.Contains("/") || Request.SerialNumber.Contains(@"\"))
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throw new EnrolmentSafeException(@"The serial number cannot contain '/' or '\' characters.");
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EnrolmentLog.LogSessionProgress(sessionId, 10, "Loading User Data");
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if (!string.IsNullOrWhiteSpace(Username))
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{
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authenticatedToken = UserService.GetAuthorization(Username, Database);
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isAuthenticated = (authenticatedToken != null);
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}
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EnrolmentLog.LogSessionProgress(sessionId, 13, "Loading Device Data");
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Device RepoDevice = Database.Devices.Include("AssignedUser").Include("DeviceModel").Include("DeviceProfile").Where(d => d.SerialNumber == Request.SerialNumber).FirstOrDefault();
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EnrolmentLog.LogSessionProgress(sessionId, 15, "Discovering User/Device Disco ICT Permissions");
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if (isAuthenticated)
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{
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if (!authenticatedToken.Has(Claims.Device.Actions.EnrolDevices))
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{
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if (!authenticatedToken.Has(Claims.ComputerAccount))
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throw new EnrolmentSafeException(string.Format("Connection not correctly authenticated (SN: {0}; Auth User: {1})", Request.SerialNumber, authenticatedToken.User.UserId));
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if (domain == null)
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domain = ActiveDirectory.Context.GetDomainByName(Request.DNSDomainName);
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if (!authenticatedToken.User.UserId.Equals(string.Format(@"{0}\{1}$", domain.NetBiosName, Request.ComputerName), StringComparison.OrdinalIgnoreCase))
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throw new EnrolmentSafeException(string.Format("Connection not correctly authenticated (SN: {0}; Auth User: {1})", Request.SerialNumber, authenticatedToken.User.UserId));
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}
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}
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else
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{
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if (RepoDevice == null)
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{
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throw new EnrolmentSafeException(string.Format("Unknown Device Serial Number (SN: '{0}')", Request.SerialNumber));
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}
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if (!RepoDevice.AllowUnauthenticatedEnrol)
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{
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if (RepoDevice.DeviceProfile.AllowUntrustedReimageJobEnrolment)
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{
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if (Database.Jobs.Count(j => j.DeviceSerialNumber == RepoDevice.SerialNumber && j.JobTypeId == JobType.JobTypeIds.SImg && !j.ClosedDate.HasValue) == 0)
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{
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throw new EnrolmentSafeException(string.Format("Device has no open 'Software - Reimage' job (SN: '{0}')", Request.SerialNumber));
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}
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}
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else
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{
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throw new EnrolmentSafeException(string.Format("Device isn't allowed an Unauthenticated Enrolment (SN: '{0}')", Request.SerialNumber));
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}
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}
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}
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if (Request.IsPartOfDomain && !string.IsNullOrWhiteSpace(Request.ComputerName))
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{
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EnrolmentLog.LogSessionProgress(sessionId, 20, "Loading Active Directory Computer Account");
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System.Guid? uuidGuid = null;
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System.Guid? macAddressGuid = null;
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if (!string.IsNullOrEmpty(Request.Hardware.UUID))
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uuidGuid = ADMachineAccount.NetbootGUIDFromUUID(Request.Hardware.UUID);
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// Use non-Wlan Adapter with fastest speed
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var macAddress = Request.Hardware?.NetworkAdapters?.Where(na => !na.IsWlanAdapter).OrderByDescending(na => na.Speed).Select(na => na.MACAddress).FirstOrDefault();
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if (!string.IsNullOrEmpty(macAddress))
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macAddressGuid = ADMachineAccount.NetbootGUIDFromMACAddress(macAddress);
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if (domain == null)
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domain = ActiveDirectory.Context.GetDomainByName(Request.DNSDomainName);
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var requestDeviceId = string.Format(@"{0}\{1}", domain.NetBiosName, Request.ComputerName);
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adMachineAccount = domainController.Value.RetrieveADMachineAccount(requestDeviceId, uuidGuid, macAddressGuid);
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}
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if (RepoDevice == null)
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{
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EnrolmentLog.LogSessionProgress(sessionId, 30, "New Device, Creating Disco Instance");
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EnrolmentLog.LogSessionTaskAddedDevice(sessionId, Request.SerialNumber);
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DeviceProfile deviceProfile = Database.DeviceProfiles.Find(Database.DiscoConfiguration.DeviceProfiles.DefaultDeviceProfileId);
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var deviceModelResult = Database.DeviceModels.GetOrCreateDeviceModel(Request.Hardware.Manufacturer, Request.Hardware.Model, Request.Hardware.ModelType);
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DeviceModel deviceModel = deviceModelResult.Item1;
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if (deviceModelResult.Item2)
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EnrolmentLog.LogSessionTaskCreatedDeviceModel(sessionId, Request.SerialNumber, deviceModelResult.Item1.Manufacturer, deviceModelResult.Item1.Model);
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else
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EnrolmentLog.LogSessionDevice(sessionId, Request.SerialNumber, deviceModel.Id);
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RepoDevice = new Device
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{
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SerialNumber = Request.SerialNumber,
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DeviceDomainId = domain == null ? Request.ComputerName : $@"{domain.NetBiosName}\{Request.ComputerName}",
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DeviceProfile = deviceProfile,
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DeviceModel = deviceModel,
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AllowUnauthenticatedEnrol = false,
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CreatedDate = DateTime.Now,
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EnrolledDate = DateTime.Now,
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LastEnrolDate = DateTime.Now,
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DeviceDetails = new List<DeviceDetail>()
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};
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Database.Devices.Add(RepoDevice);
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var lanMacAddresses = string.Join("; ", Request.Hardware.NetworkAdapters?.Where(na => !na.IsWlanAdapter).Select(na => na.MACAddress));
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var wlanMacAddresses = string.Join("; ", Request.Hardware.NetworkAdapters?.Where(na => na.IsWlanAdapter).Select(na => na.MACAddress));
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if (!string.IsNullOrEmpty(lanMacAddresses))
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RepoDevice.DeviceDetails.LanMacAddress(RepoDevice, lanMacAddresses);
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if (!string.IsNullOrEmpty(wlanMacAddresses))
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RepoDevice.DeviceDetails.WLanMacAddress(RepoDevice, wlanMacAddresses);
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}
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else
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{
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EnrolmentLog.LogSessionProgress(sessionId, 30, "Existing Device, Updating Disco Instance");
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EnrolmentLog.LogSessionTaskUpdatingDevice(sessionId, Request.SerialNumber);
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var deviceModelResult = Database.DeviceModels.GetOrCreateDeviceModel(Request.Hardware.Manufacturer, Request.Hardware.Model, Request.Hardware.ModelType);
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DeviceModel deviceModel = deviceModelResult.Item1;
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if (deviceModelResult.Item2)
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EnrolmentLog.LogSessionTaskCreatedDeviceModel(sessionId, Request.SerialNumber, deviceModelResult.Item1.Manufacturer, deviceModelResult.Item1.Model);
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else
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EnrolmentLog.LogSessionDevice(sessionId, Request.SerialNumber, deviceModel.Id);
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RepoDevice.DeviceModel = deviceModel;
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var deviceDomainId = domain == null ? Request.ComputerName : $@"{domain.NetBiosName}\{Request.ComputerName}";
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if (!string.Equals(RepoDevice.DeviceDomainId, deviceDomainId, StringComparison.Ordinal))
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RepoDevice.DeviceDomainId = deviceDomainId;
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var lanMacAddresses = string.Join("; ", Request.Hardware.NetworkAdapters?.Where(na => !na.IsWlanAdapter).Select(na => na.MACAddress));
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var wlanMacAddresses = string.Join("; ", Request.Hardware.NetworkAdapters?.Where(na => na.IsWlanAdapter).Select(na => na.MACAddress));
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if (!string.IsNullOrEmpty(lanMacAddresses))
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RepoDevice.DeviceDetails.LanMacAddress(RepoDevice, lanMacAddresses);
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if (!string.IsNullOrEmpty(wlanMacAddresses))
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RepoDevice.DeviceDetails.WLanMacAddress(RepoDevice, wlanMacAddresses);
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if (!RepoDevice.EnrolledDate.HasValue)
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RepoDevice.EnrolledDate = DateTime.Now;
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RepoDevice.LastEnrolDate = DateTime.Now;
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}
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// store hardware audit information
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if (Request.Hardware.Bios?.Count > 0)
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RepoDevice.DeviceDetails.Bios(RepoDevice, Request.Hardware.Bios);
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if (Request.Hardware.BasebBoard?.Count > 0)
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RepoDevice.DeviceDetails.BaseBoard(RepoDevice, Request.Hardware.BasebBoard);
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if (Request.Hardware.ComputerSystem?.Count > 0)
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RepoDevice.DeviceDetails.ComputerSystem(RepoDevice, Request.Hardware.ComputerSystem);
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if (Request.Hardware.Processors?.Count > 0)
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RepoDevice.DeviceDetails.Processors(RepoDevice, Request.Hardware.Processors);
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if (Request.Hardware.PhysicalMemory?.Count > 0)
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RepoDevice.DeviceDetails.PhysicalMemory(RepoDevice, Request.Hardware.PhysicalMemory);
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if (Request.Hardware.DiskDrives?.Count > 0)
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RepoDevice.DeviceDetails.DiskDrives(RepoDevice, Request.Hardware.DiskDrives);
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if (Request.Hardware.NetworkAdapters?.Count > 0)
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RepoDevice.DeviceDetails.NetworkAdapters(RepoDevice, Request.Hardware.NetworkAdapters);
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if (Request.Hardware.Batteries?.Count > 0)
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RepoDevice.DeviceDetails.Batteries(RepoDevice, Request.Hardware.Batteries);
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if (adMachineAccount == null)
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{
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if (RepoDevice.DeviceProfile.ProvisionADAccount)
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{
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EnrolmentLog.LogSessionProgress(sessionId, 50, "Provisioning an Active Directory Computer Account");
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if (string.IsNullOrWhiteSpace(RepoDevice.DeviceProfile.OrganisationalUnit))
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throw new InvalidOperationException("No Organisational Unit has been set in the device profile");
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if (domain == null)
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domain = ActiveDirectory.Context.GetDomainFromDistinguishedName(RepoDevice.DeviceProfile.OrganisationalUnit);
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if (string.IsNullOrEmpty(RepoDevice.DeviceDomainId) || RepoDevice.DeviceProfile.EnforceComputerNameConvention)
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RepoDevice.DeviceDomainId = RepoDevice.ComputerNameRender(Database, domain);
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else if (!ActiveDirectory.IsValidDomainAccountId(RepoDevice.DeviceDomainId))
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if (RepoDevice.DeviceProfile.EnforceComputerNameConvention)
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RepoDevice.DeviceDomainId = RepoDevice.ComputerNameRender(Database, domain);
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else
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RepoDevice.DeviceDomainId = $@"{domain.NetBiosName}\{Request.ComputerName}";
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string offlineProvisionDiagnosicInfo;
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EnrolmentLog.LogSessionTaskProvisioningADAccount(sessionId, RepoDevice.SerialNumber, RepoDevice.DeviceDomainId);
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adMachineAccount = domainController.Value.RetrieveADMachineAccount(RepoDevice.DeviceDomainId);
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response.OfflineDomainJoinManifest = domainController.Value.OfflineDomainJoinProvision(RepoDevice.DeviceDomainId, RepoDevice.DeviceProfile.OrganisationalUnit, ref adMachineAccount, out offlineProvisionDiagnosicInfo);
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EnrolmentLog.LogSessionDiagnosticInformation(sessionId, offlineProvisionDiagnosicInfo);
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response.RequireReboot = true;
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}
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if (adMachineAccount != null)
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{
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response.ComputerName = adMachineAccount.Name;
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response.DomainName = adMachineAccount.Domain.NetBiosName;
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}
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else if (ActiveDirectory.IsValidDomainAccountId(RepoDevice.DeviceDomainId, out var accountUsername, out var accountDomain))
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{
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response.DomainName = accountDomain == null ? null : accountDomain.NetBiosName;
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response.ComputerName = accountUsername;
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}
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else
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{
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response.DomainName = Request.DNSDomainName;
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response.ComputerName = Request.ComputerName;
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}
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}
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else
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{
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RepoDevice.DeviceDomainId = adMachineAccount.Id.Trim('$');
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response.ComputerName = adMachineAccount.Name;
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response.DomainName = adMachineAccount.Domain.NetBiosName;
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// Enforce Computer Name Convention
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if (!adMachineAccount.IsCriticalSystemObject && RepoDevice.DeviceProfile.EnforceComputerNameConvention)
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{
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if (string.IsNullOrWhiteSpace(RepoDevice.DeviceProfile.OrganisationalUnit))
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throw new InvalidOperationException("No Organisational Unit has been set in the device profile");
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if (domain == null)
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domain = ActiveDirectory.Context.GetDomainFromDistinguishedName(RepoDevice.DeviceProfile.OrganisationalUnit);
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var calculatedComputerName = RepoDevice.ComputerNameRender(Database, domain);
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string calculatedAccountUsername;
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ActiveDirectory.ParseDomainAccountId(calculatedComputerName, out calculatedAccountUsername);
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if (!Request.ComputerName.Equals(calculatedAccountUsername, StringComparison.OrdinalIgnoreCase))
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{
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EnrolmentLog.LogSessionProgress(sessionId, 50, string.Format("Renaming Device: {0} -> {1}", Request.ComputerName, calculatedComputerName));
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EnrolmentLog.LogSessionTaskRenamingDevice(sessionId, Request.ComputerName, calculatedComputerName);
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RepoDevice.DeviceDomainId = calculatedComputerName;
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response.DomainName = domain.NetBiosName;
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response.ComputerName = calculatedAccountUsername;
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// Create New Account
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string offlineProvisionDiagnosicInfo;
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response.OfflineDomainJoinManifest = domainController.Value.OfflineDomainJoinProvision(RepoDevice.DeviceDomainId, RepoDevice.DeviceProfile.OrganisationalUnit, ref adMachineAccount, out offlineProvisionDiagnosicInfo);
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EnrolmentLog.LogSessionDiagnosticInformation(sessionId, offlineProvisionDiagnosicInfo);
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response.RequireReboot = true;
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}
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}
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// Enforce Organisational Unit
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if (!adMachineAccount.IsCriticalSystemObject && response.OfflineDomainJoinManifest == null && RepoDevice.DeviceProfile.EnforceOrganisationalUnit)
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{
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var parentDistinguishedName = adMachineAccount.ParentDistinguishedName;
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if (string.IsNullOrWhiteSpace(RepoDevice.DeviceProfile.OrganisationalUnit))
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throw new InvalidOperationException(string.Format("The Organisational Unit for the Device Profile '{0}' [{1}] is not set.", RepoDevice.DeviceProfile.Name, RepoDevice.DeviceProfile.Id));
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if (!parentDistinguishedName.Equals(RepoDevice.DeviceProfile.OrganisationalUnit, StringComparison.OrdinalIgnoreCase)) // Custom OU
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{
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var proposedDomain = ActiveDirectory.Context.GetDomainFromDistinguishedName(RepoDevice.DeviceProfile.OrganisationalUnit);
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var currentDomain = ActiveDirectory.Context.GetDomainFromDistinguishedName(parentDistinguishedName);
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if (currentDomain != proposedDomain)
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throw new NotSupportedException("Unable to move the devices organisational unit when the source and destination domains are different.");
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if (domain == null)
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domain = proposedDomain;
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else if (domain != proposedDomain)
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throw new NotSupportedException("To many domains involved in this enrolment, contact support regarding your scenario.");
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EnrolmentLog.LogSessionProgress(sessionId, 65, string.Format("Moving Device Organisational Unit: {0} -> {1}", parentDistinguishedName, RepoDevice.DeviceProfile.OrganisationalUnit));
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EnrolmentLog.LogSessionTaskMovingDeviceOrganisationUnit(sessionId, parentDistinguishedName, RepoDevice.DeviceProfile.OrganisationalUnit);
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adMachineAccount.MoveOrganisationalUnit(domainController.Value, RepoDevice.DeviceProfile.OrganisationalUnit);
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response.RequireReboot = true;
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}
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}
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}
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if (adMachineAccount != null && !adMachineAccount.IsCriticalSystemObject)
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{
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EnrolmentLog.LogSessionProgress(sessionId, 75, "Updating Active Directory Computer Account Properties");
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try
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{
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// Use non-Wlan Adapter with fastest speed
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var macAddress = Request.Hardware?.NetworkAdapters?.Where(na => !na.IsWlanAdapter).OrderByDescending(na => na.Speed).Select(na => na.MACAddress).FirstOrDefault();
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adMachineAccount.UpdateNetbootGUID(Request.Hardware.UUID, macAddress);
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if (RepoDevice.AssignedUser != null)
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adMachineAccount.SetDescription(RepoDevice);
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}
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catch (Exception ex)
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{
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EnrolmentLog.LogSessionWarning(sessionId, $"Unable to update AD Machine Account attributes: {ex.Message}");
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}
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}
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if (RepoDevice.DeviceProfile.DistributionType == DeviceProfile.DistributionTypes.OneToOne)
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{
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if (RepoDevice.AssignedUser == null)
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{
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response.AllowBootstrapperUninstall = false;
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}
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else
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{
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EnrolmentLog.LogSessionProgress(sessionId, 80, "Retrieving Active Directory Assigned User Account");
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ADUserAccount AssignedUserInfo = ActiveDirectory.RetrieveADUserAccount(RepoDevice.AssignedUser.UserId);
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EnrolmentLog.LogSessionTaskAssigningUser(sessionId, RepoDevice.SerialNumber, AssignedUserInfo.DisplayName, AssignedUserInfo.SamAccountName, AssignedUserInfo.Domain.NetBiosName, AssignedUserInfo.SecurityIdentifier.ToString());
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response.AllowBootstrapperUninstall = true;
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response.AssignedUserIsLocalAdmin = RepoDevice.DeviceProfile.AssignedUserLocalAdmin;
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response.AssignedUserUsername = AssignedUserInfo.SamAccountName;
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response.AssignedUserDomain = AssignedUserInfo.Domain.NetBiosName;
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response.AssignedUserDescription = AssignedUserInfo.DisplayName;
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response.AssignedUserSID = AssignedUserInfo.SecurityIdentifier.ToString();
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}
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}
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else
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{
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response.AllowBootstrapperUninstall = true;
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}
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// Provision Certificates
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if (!string.IsNullOrEmpty(RepoDevice.DeviceProfile.CertificateProviders) ||
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!string.IsNullOrEmpty(RepoDevice.DeviceProfile.CertificateAuthorityProviders))
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{
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EnrolmentLog.LogSessionProgress(sessionId, 90, "Provisioning Certificates");
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List<DeviceCertificate> provisionedCertificates;
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var provisionResult = RepoDevice.ProvisionCertificates(Database, Request, out provisionedCertificates);
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if (provisionedCertificates != null && provisionedCertificates.Count > 0)
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{
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foreach (var deviceCertificate in provisionedCertificates)
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{
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EnrolmentLog.LogSessionTaskProvisioningCertificate(sessionId, RepoDevice.SerialNumber, deviceCertificate.Name);
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}
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}
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response.Certificates = provisionResult;
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}
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// Provision Wireless Profiles
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if (!string.IsNullOrEmpty(RepoDevice.DeviceProfile.WirelessProfileProviders))
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{
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EnrolmentLog.LogSessionProgress(sessionId, 95, "Provisioning Wireless Profiles");
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var provisionResult = RepoDevice.ProvisionWirelessProfiles(Database, Request);
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if (provisionResult != null && provisionResult.Profiles != null)
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{
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foreach (var wirelessProfiles in provisionResult.Profiles)
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{
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EnrolmentLog.LogSessionTaskProvisioningWirelessProfile(sessionId, RepoDevice.SerialNumber, wirelessProfiles.Name);
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}
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}
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response.WirelessProfiles = provisionResult;
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}
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// Reset 'AllowUnauthenticatedEnrol'
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if (RepoDevice.AllowUnauthenticatedEnrol)
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RepoDevice.AllowUnauthenticatedEnrol = false;
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EnrolmentLog.LogSessionProgress(sessionId, 100, "Completed Successfully");
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}
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catch (EnrolmentSafeException ex)
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{
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EnrolmentLog.LogSessionError(sessionId, ex);
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return new EnrolResponse
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{
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SessionId = sessionId,
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ErrorMessage = ex.Message
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};
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}
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catch (Exception ex2)
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{
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EnrolmentLog.LogSessionError(sessionId, ex2);
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throw ex2;
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}
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finally
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{
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EnrolmentLog.LogSessionFinished(sessionId);
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}
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return response;
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}
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}
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}
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