Initial Commit

PatchProbe.Shared/Contracts/ICollector.cs

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+namespace PatchProbe.Shared.Contracts;
+
+public interface ICollector<T>
+{
+    Task<T> CollectAsync(CancellationToken cancellationToken = default);
+}

PatchProbe.Shared/Contracts/IPayloadUploader.cs

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+using PatchProbe.Shared.Models;
+
+namespace PatchProbe.Shared.Contracts;
+
+public interface IPayloadUploader
+{
+    Task UploadAsync(PatchProbePayload payload, CancellationToken cancellationToken = default);
+}

PatchProbe.Shared/Models/ApplicableUpdate.cs

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+namespace PatchProbe.Shared.Models;
+
+public sealed class ApplicableUpdate
+{
+    public string? UpdateId { get; init; }
+    public string? Title { get; init; }
+    public string? KbArticleId { get; init; }
+    public string? Category { get; init; }
+    public string? Severity { get; init; }
+    public bool RebootRequired { get; init; }
+    public bool IsDownloaded { get; init; }
+    public string? Description { get; init; }
+    public string? SupportUrl { get; init; }
+}

PatchProbe.Shared/Models/CbsPackage.cs

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+namespace PatchProbe.Shared.Models;
+
+public sealed class CbsPackage
+{
+    public string? PackageIdentity { get; init; }
+    public string? State { get; init; }
+    public string? ReleaseType { get; init; }
+    public string? InstallTime { get; init; }
+}

PatchProbe.Shared/Models/CollectorMeta.cs

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+namespace PatchProbe.Shared.Models;
+
+public sealed class CollectorMeta
+{
+    public string SchemaVersion { get; init; } = "0.1";
+    public string CollectorVersion { get; init; } = "1.0.0";
+    public DateTimeOffset CollectedAt { get; init; } = DateTimeOffset.UtcNow;
+    public string? MachineName { get; init; }
+    public bool RanAsAdministrator { get; init; }
+}

PatchProbe.Shared/Models/DeviceInfo.cs

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+namespace PatchProbe.Shared.Models;
+
+public sealed class DeviceInfo
+{
+    public string? Hostname { get; init; }
+    public string? Manufacturer { get; init; }
+    public string? Model { get; init; }
+    public string? SerialNumber { get; init; }
+    public string? BiosVersion { get; init; }
+    public string? BiosDate { get; init; }
+    public bool TpmPresent { get; init; }
+    public string? TpmVersion { get; init; }
+    public ulong RamBytes { get; init; }
+    public string? Domain { get; init; }
+    public string? Workgroup { get; init; }
+    public string? SystemType { get; init; }
+}

PatchProbe.Shared/Models/DriverInfo.cs

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+namespace PatchProbe.Shared.Models;
+
+public sealed class DriverInfo
+{
+    public string? DeviceName { get; init; }
+    public string? DriverVersion { get; init; }
+    public string? Manufacturer { get; init; }
+    public string? InfName { get; init; }
+    public string? HardwareId { get; init; }
+    public string? DeviceClass { get; init; }
+    public DateTimeOffset? DriverDate { get; init; }
+    public bool IsSigned { get; init; }
+}

PatchProbe.Shared/Models/InstalledHotfix.cs

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+namespace PatchProbe.Shared.Models;
+
+public sealed class InstalledHotfix
+{
+    public string? HotFixId { get; init; }
+    public string? Description { get; init; }
+    public string? InstalledBy { get; init; }
+    public DateTimeOffset? InstalledOn { get; init; }
+}

PatchProbe.Shared/Models/OsInfo.cs

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+namespace PatchProbe.Shared.Models;
+
+public sealed class OsInfo
+{
+    public string? ProductName { get; init; }
+    public string? EditionId { get; init; }
+    public string? DisplayVersion { get; init; }
+    public string? ReleaseId { get; init; }
+    public string? BuildNumber { get; init; }
+    public int Ubr { get; init; }
+    public string? Architecture { get; init; }
+    public DateTimeOffset? InstallDate { get; init; }
+    public DateTimeOffset? LastBoot { get; init; }
+}

PatchProbe.Shared/Models/PatchProbePayload.cs

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+namespace PatchProbe.Shared.Models;
+
+public sealed class PatchProbePayload
+{
+    public CollectorMeta Collector { get; init; } = new();
+    public DeviceInfo? Device { get; init; }
+    public OsInfo? Os { get; init; }
+    public PendingRebootInfo? PendingReboot { get; init; }
+    public WindowsUpdateInfo? WindowsUpdate { get; init; }
+    public List<InstalledHotfix> InstalledHotfixes { get; init; } = [];
+    public List<CbsPackage> CbsPackages { get; init; } = [];
+    public List<DriverInfo> Drivers { get; init; } = [];
+    public List<UpdateEvent> RecentUpdateEvents { get; init; } = [];
+}

PatchProbe.Shared/Models/PendingRebootInfo.cs

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+namespace PatchProbe.Shared.Models;
+
+public sealed class PendingRebootInfo
+{
+    public bool CbsRebootPending { get; init; }
+    public bool WindowsUpdateRebootRequired { get; init; }
+    public bool SessionManagerRebootRequired { get; init; }
+    public bool ComputerRenameRequired { get; init; }
+    public bool AnyPending => CbsRebootPending || WindowsUpdateRebootRequired || SessionManagerRebootRequired || ComputerRenameRequired;
+}

PatchProbe.Shared/Models/UpdateEvent.cs

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+namespace PatchProbe.Shared.Models;
+
+public sealed class UpdateEvent
+{
+    public long EventId { get; init; }
+    public string? Source { get; init; }
+    public string? LogName { get; init; }
+    public string? Level { get; init; }
+    public DateTimeOffset? TimeCreated { get; init; }
+    public string? Message { get; init; }
+}

PatchProbe.Shared/Models/UpdateHistoryEntry.cs

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+namespace PatchProbe.Shared.Models;
+
+public sealed class UpdateHistoryEntry
+{
+    public string? UpdateId { get; init; }
+    public string? Title { get; init; }
+    public string? KbArticleId { get; init; }
+    public int ResultCode { get; init; }
+    public int HResult { get; init; }
+    public DateTimeOffset? Date { get; init; }
+    public string? Operation { get; init; }
+    public string? ServerSelection { get; init; }
+}

PatchProbe.Shared/Models/WindowsUpdateInfo.cs

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+namespace PatchProbe.Shared.Models;
+
+public sealed class WindowsUpdateInfo
+{
+    public List<ApplicableUpdate> ApplicableUpdates { get; init; } = [];
+    public List<UpdateHistoryEntry> History { get; init; } = [];
+    public WindowsUpdatePolicy? Policy { get; init; }
+    public string? SearchError { get; init; }
+}

PatchProbe.Shared/Models/WindowsUpdatePolicy.cs

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+namespace PatchProbe.Shared.Models;
+
+public sealed class WindowsUpdatePolicy
+{
+    public bool WsusConfigured { get; init; }
+    public string? WsusServer { get; init; }
+    public string? WsusStatusServer { get; init; }
+    public bool WufbConfigured { get; init; }
+    public int? DeferFeatureUpdatesDays { get; init; }
+    public int? DeferQualityUpdatesDays { get; init; }
+    public bool AutoUpdateEnabled { get; init; }
+    public int? AuOptions { get; init; }
+    public bool TargetGroupEnabled { get; init; }
+    public string? TargetGroup { get; init; }
+    public string? BranchReadinessLevel { get; init; }
+}

PatchProbe.Shared/PatchProbe.Shared.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net10.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+  </PropertyGroup>
+
+</Project>

PatchProbe.Shared/Serialization/PayloadSerializer.cs

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+using System.Text.Json;
+using System.Text.Json.Serialization;
+using PatchProbe.Shared.Models;
+
+namespace PatchProbe.Shared.Serialization;
+
+public static class PayloadSerializer
+{
+    public static readonly JsonSerializerOptions Options = new()
+    {
+        WriteIndented = true,
+        DefaultIgnoreCondition = JsonIgnoreCondition.WhenWritingNull,
+        PropertyNamingPolicy = JsonNamingPolicy.CamelCase,
+        Converters = { new JsonStringEnumConverter(JsonNamingPolicy.CamelCase) }
+    };
+
+    public static string Serialize(PatchProbePayload payload) =>
+        JsonSerializer.Serialize(payload, Options);
+
+    public static async Task SerializeToFileAsync(PatchProbePayload payload, string path, CancellationToken cancellationToken = default)
+    {
+        await using var stream = File.Create(path);
+        await JsonSerializer.SerializeAsync(stream, payload, Options, cancellationToken);
+    }
+}