Gary Sharp
232 lines
11 KiB
C#
232 lines
11 KiB
C#
using Disco.Data.Repository;
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using Disco.Models.Repository;
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using Disco.Models.Services.Interop.DiscoServices;
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using Disco.Services.Tasks;
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using Newtonsoft.Json;
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using System;
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using System.Collections.Generic;
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using System.IO;
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using System.IO.Compression;
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using System.Linq;
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using System.Net;
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using System.Security.Cryptography;
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using System.Text;
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namespace Disco.Services.Interop.DiscoServices
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{
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using StatisticInt = UpdateRequestV2.StatisticInt;
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using StatisticIntPair = UpdateRequestV2.StatisticIntPair;
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using StatisticJob = UpdateRequestV2.StatisticJob;
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using StatisticString = UpdateRequestV2.StatisticString;
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public static class UpdateQuery
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{
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private static string UpdateUrl()
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{
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return string.Concat(DiscoServiceHelpers.ServicesUrl, "API/Update/V2");
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}
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public static Version CurrentDiscoVersion()
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{
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return typeof(UpdateQuery).Assembly.GetName().Version;
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}
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public static string CurrentDiscoVersionFormatted()
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{
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var v = CurrentDiscoVersion();
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return FormatVersion(v);
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}
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public static string FormatVersion(Version Version)
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{
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return $"{Version.Major}.{Version.Minor}.{Version.Build:0000}.{Version.Revision:0000}";
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}
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public static string HashDeploymentData(DiscoDataContext Database, string Data)
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{
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if (Data == null)
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return null;
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string clearText = Database.DiscoConfiguration.DeploymentSecret + Data;
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byte[] clearTextBytes = Encoding.Unicode.GetBytes(clearText);
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byte[] hashBytes;
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using (var hashAlgorithm = SHA1.Create())
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{
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hashBytes = hashAlgorithm.ComputeHash(clearTextBytes);
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}
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return Convert.ToBase64String(hashBytes);
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}
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public static UpdateResponseV2 Check(DiscoDataContext Database, bool UseProxy, IScheduledTaskStatus Status)
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{
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Status.UpdateStatus(10, "Gathering statistics and building update request");
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var updateRequest = BuildRequest(Database);
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Status.UpdateStatus(40, "Sending statistics and update request");
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var discoVersion = CurrentDiscoVersionFormatted();
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HttpWebRequest request = (HttpWebRequest)WebRequest.Create(UpdateUrl());
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// Fix for Proxy Servers which don't support KeepAlive
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request.KeepAlive = false;
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if (!UseProxy)
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request.Proxy = new WebProxy();
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request.ContentType = "application/json; charset=utf-8; encoding=gzip";
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request.Method = WebRequestMethods.Http.Post;
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request.UserAgent = $"Disco/{discoVersion} (Update)";
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using (var requestStream = request.GetRequestStream())
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{
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using (var compressedStream = new GZipStream(requestStream, CompressionLevel.Optimal))
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{
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using (var requestStreamWriter = new StreamWriter(compressedStream, Encoding.UTF8))
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{
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JsonSerializer serializer = new JsonSerializer();
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serializer.Serialize(requestStreamWriter, updateRequest);
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requestStreamWriter.Flush();
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}
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}
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}
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Status.UpdateStatus(50, "Waiting for update response");
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using (HttpWebResponse response = (HttpWebResponse)request.GetResponse())
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{
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if (response.StatusCode == HttpStatusCode.OK)
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{
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Status.UpdateStatus(90, "Reading update response");
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string updateResultJson;
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UpdateResponseV2 updateResult;
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using (var responseStream = response.GetResponseStream())
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{
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using (var responseReader = new StreamReader(responseStream))
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{
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updateResultJson = responseReader.ReadToEnd();
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}
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}
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updateResult = JsonConvert.DeserializeObject<UpdateResponseV2>(updateResultJson);
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Database.DiscoConfiguration.UpdateLastCheckResponse = updateResult;
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Database.SaveChanges();
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Status.SetFinishedMessage($"The update server reported Version {updateResult.LatestVersion} is the latest.");
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return updateResult;
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}
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else
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{
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Status.SetTaskException(new WebException($"Server responded with: [{response.StatusCode}] {response.StatusDescription}"));
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return null;
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}
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}
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}
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private static UpdateRequestV2 BuildRequest(DiscoDataContext Database)
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{
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var lastUpdate = Database.DiscoConfiguration.UpdateLastCheckResponse;
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var m = new UpdateRequestV2();
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m.DeploymentId = Guid.Parse(Database.DiscoConfiguration.DeploymentId);
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m.RequestDate = DateTime.Now;
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m.VersionCurrent = CurrentDiscoVersionFormatted();
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m.IsBetaDeployment = Database.DiscoConfiguration.UpdateBetaDeployment;
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m.OrganisationName = Database.DiscoConfiguration.OrganisationName;
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var whoAmIResponse = VicEduDept.VicSmart.WhoAmI();
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if (whoAmIResponse != null && !string.IsNullOrWhiteSpace(whoAmIResponse.Item1))
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m.VicEduDeptWanId = whoAmIResponse.Item1;
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m.Stat_JobCounts = Database.Jobs.GroupBy(j => j.JobTypeId).Select(g => new StatisticInt() { Key = g.Key, Value = g.Count() }).ToList();
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m.Stat_OpenJobCounts = Database.Jobs.Where(j => j.ClosedDate == null).GroupBy(j => j.JobTypeId).Select(g => new StatisticInt() { Key = g.Key, Value = g.Count() }).ToList();
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m.Stat_DeviceModelCounts = Database.DeviceModels.Select(dm => new StatisticInt() { Key = dm.Manufacturer + ";" + dm.Model, Value = dm.Devices.Count(d => d.DecommissionedDate == null) }).ToList();
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var activeThreshold = DateTime.Now.AddDays(-60);
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m.Stat_ActiveDeviceModelCounts = Database.DeviceModels.Select(dm => new StatisticInt() { Key = dm.Manufacturer + ";" + dm.Model, Value = dm.Devices.Count(d => d.DecommissionedDate == null && (d.LastNetworkLogonDate == null || d.LastNetworkLogonDate > activeThreshold)) }).ToList();
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m.Stat_UserCounts = new List<StatisticInt>() {
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new StatisticInt() { Key = "All", Value = Database.Users.Count() },
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new StatisticInt() { Key = "Assigned Current", Value = Database.Users.Where(u => u.DeviceUserAssignments.Any(dua => !dua.UnassignedDate.HasValue)).Count() },
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new StatisticInt() { Key = "Assigned Ever", Value = Database.Users.Where(u => u.DeviceUserAssignments.Any()).Count() },
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new StatisticInt() { Key = "Job Technicians", Value = Database.Jobs.Select(j => j.OpenedTechUserId).Distinct().ToList().Concat(Database.Jobs.Select(j => j.ClosedTechUserId).Distinct().ToList()).Distinct().Count() },
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new StatisticInt() { Key = "Job Users", Value = Database.Jobs.Where(j => j.UserId != null).Select(j => j.UserId).Distinct().Count() }
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};
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var jobIds = Database.Jobs.OrderBy(j => j.Id).Select(j => j.Id).ToList();
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if (jobIds.Count > 0)
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{
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m.Stat_JobIdentifiers = new List<StatisticIntPair>();
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var jobIdSequenceBegin = jobIds.First();
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jobIds.Skip(1).Aggregate(jobIdSequenceBegin, (last, current) =>
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{
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if (current == last + 1)
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return current;
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else
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{
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m.Stat_JobIdentifiers.Add(new StatisticIntPair() { Begin = jobIdSequenceBegin, End = last });
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jobIdSequenceBegin = current;
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}
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return current;
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});
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m.Stat_JobIdentifiers.Add(new StatisticIntPair() { Begin = jobIdSequenceBegin, End = jobIds.Last() });
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IQueryable<Job> jobs;
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if (lastUpdate == null)
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jobs = Database.Jobs;
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else
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{
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var lastUpdateDate = lastUpdate.UpdateResponseDate.Date;
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jobs = Database.Jobs.Where(j => j.OpenedDate >= lastUpdateDate || (j.ClosedDate.HasValue && j.ClosedDate.Value >= lastUpdateDate));
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}
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var reportedJobs = jobs.Select(j => new
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{
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Id = j.Id,
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OpenedDate = j.OpenedDate,
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ClosedDate = j.ClosedDate,
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JobType = j.JobTypeId,
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JobSubTypes = j.JobSubTypes.Select(jst => jst.Id),
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DeviceModelManufacturer = j.Device.DeviceModel.Manufacturer,
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DeviceModelModel = j.Device.DeviceModel.Model,
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DeviceSerialNumber = j.DeviceSerialNumber,
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UserId = j.UserId,
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JobTechnicianId = j.OpenedTechUserId,
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WarrantyRepairer = j.JobMetaWarranty.ExternalName,
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WarrantyRepairerLoggedDate = j.JobMetaWarranty.ExternalLoggedDate,
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WarrantyRepairerCompletedDate = j.JobMetaWarranty.ExternalCompletedDate,
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Repairer = j.JobMetaNonWarranty.RepairerName,
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RepairerLoggedDate = j.JobMetaNonWarranty.RepairerLoggedDate,
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RepairerCompletedDate = j.JobMetaNonWarranty.RepairerCompletedDate,
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}).ToList();
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m.Stat_Jobs = reportedJobs.Select(j => new StatisticJob()
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{
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Identifier = j.Id,
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OpenedDate = j.OpenedDate,
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ClosedDate = j.ClosedDate,
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Type = j.JobType,
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SubTypes = j.JobSubTypes == null ? null : string.Join(";", j.JobSubTypes),
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DeviceIdentifier = HashDeploymentData(Database, j.DeviceSerialNumber),
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UserIdentifier = HashDeploymentData(Database, j.UserId),
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TechnicianIdentifier = HashDeploymentData(Database, j.JobTechnicianId),
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DeviceModel = $"{j.DeviceModelManufacturer};{j.DeviceModelModel}",
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Repairer = j.JobType == JobType.JobTypeIds.HWar ? j.WarrantyRepairer : j.Repairer,
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RepairerLogged = j.JobType == JobType.JobTypeIds.HWar ? j.WarrantyRepairerLoggedDate : j.RepairerLoggedDate,
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RepairerCompleted = j.JobType == JobType.JobTypeIds.HWar ? j.WarrantyRepairerCompletedDate : j.RepairerCompletedDate
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}).ToList();
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}
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m.InstalledPlugins = Plugins.Plugins.GetPlugins().Select(manifest => new StatisticString() { Key = manifest.Id, Value = manifest.VersionFormatted }).ToList();
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return m;
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}
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}
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}
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