feat: add import/export model types (ServiceImport, StreamImport, exports, auth)

src/NATS.Server/Imports/ExportAuth.cs

@@ -0,0 +1,25 @@
+using NATS.Server.Auth;
+
+namespace NATS.Server.Imports;
+
+public sealed class ExportAuth
+{
+    public bool TokenRequired { get; init; }
+    public uint AccountPosition { get; init; }
+    public HashSet<string>? ApprovedAccounts { get; init; }
+    public Dictionary<string, long>? RevokedAccounts { get; init; }
+
+    public bool IsAuthorized(Account account)
+    {
+        if (RevokedAccounts != null && RevokedAccounts.ContainsKey(account.Name))
+            return false;
+
+        if (ApprovedAccounts == null && !TokenRequired && AccountPosition == 0)
+            return true;
+
+        if (ApprovedAccounts != null)
+            return ApprovedAccounts.Contains(account.Name);
+
+        return false;
+    }
+}

src/NATS.Server/Imports/ExportMap.cs

@@ -0,0 +1,8 @@
+namespace NATS.Server.Imports;
+
+public sealed class ExportMap
+{
+    public Dictionary<string, StreamExport> Streams { get; } = new(StringComparer.Ordinal);
+    public Dictionary<string, ServiceExport> Services { get; } = new(StringComparer.Ordinal);
+    public Dictionary<string, ServiceImport> Responses { get; } = new(StringComparer.Ordinal);
+}

src/NATS.Server/Imports/ImportMap.cs

@@ -0,0 +1,18 @@
+namespace NATS.Server.Imports;
+
+public sealed class ImportMap
+{
+    public List<StreamImport> Streams { get; } = [];
+    public Dictionary<string, List<ServiceImport>> Services { get; } = new(StringComparer.Ordinal);
+
+    public void AddServiceImport(ServiceImport si)
+    {
+        if (!Services.TryGetValue(si.From, out var list))
+        {
+            list = [];
+            Services[si.From] = list;
+        }
+
+        list.Add(si);
+    }
+}

src/NATS.Server/Imports/ServiceExport.cs

@@ -0,0 +1,13 @@
+using NATS.Server.Auth;
+
+namespace NATS.Server.Imports;
+
+public sealed class ServiceExport
+{
+    public ExportAuth Auth { get; init; } = new();
+    public Account? Account { get; init; }
+    public ServiceResponseType ResponseType { get; init; } = ServiceResponseType.Singleton;
+    public TimeSpan ResponseThreshold { get; init; } = TimeSpan.FromMinutes(2);
+    public ServiceLatency? Latency { get; init; }
+    public bool AllowTrace { get; init; }
+}

src/NATS.Server/Imports/ServiceImport.cs

@@ -0,0 +1,21 @@
+using NATS.Server.Auth;
+using NATS.Server.Subscriptions;
+
+namespace NATS.Server.Imports;
+
+public sealed class ServiceImport
+{
+    public required Account DestinationAccount { get; init; }
+    public required string From { get; init; }
+    public required string To { get; init; }
+    public SubjectTransform? Transform { get; init; }
+    public ServiceExport? Export { get; init; }
+    public ServiceResponseType ResponseType { get; init; } = ServiceResponseType.Singleton;
+    public byte[]? Sid { get; set; }
+    public bool IsResponse { get; init; }
+    public bool UsePub { get; init; }
+    public bool Invalid { get; set; }
+    public bool Share { get; init; }
+    public bool Tracking { get; init; }
+    public long TimestampTicks { get; set; }
+}

src/NATS.Server/Imports/ServiceLatency.cs

@@ -0,0 +1,7 @@
+namespace NATS.Server.Imports;
+
+public sealed class ServiceLatency
+{
+    public int SamplingPercentage { get; init; } = 100;
+    public string Subject { get; init; } = string.Empty;
+}

src/NATS.Server/Imports/ServiceResponseType.cs

@@ -0,0 +1,8 @@
+namespace NATS.Server.Imports;
+
+public enum ServiceResponseType
+{
+    Singleton,
+    Streamed,
+    Chunked,
+}

src/NATS.Server/Imports/StreamExport.cs

@@ -0,0 +1,6 @@
+namespace NATS.Server.Imports;
+
+public sealed class StreamExport
+{
+    public ExportAuth Auth { get; init; } = new();
+}

src/NATS.Server/Imports/StreamImport.cs

@@ -0,0 +1,14 @@
+using NATS.Server.Auth;
+using NATS.Server.Subscriptions;
+
+namespace NATS.Server.Imports;
+
+public sealed class StreamImport
+{
+    public required Account SourceAccount { get; init; }
+    public required string From { get; init; }
+    public required string To { get; init; }
+    public SubjectTransform? Transform { get; init; }
+    public bool UsePub { get; init; }
+    public bool Invalid { get; set; }
+}