From fa6541944012c08ff31ce453c4701cb5460ba4ec Mon Sep 17 00:00:00 2001
From: Stefan Stadlbauer <stefan.stadlbauer@adliance.net>
Date: Wed, 25 Mar 2026 10:25:07 +0100
Subject: [PATCH] add public version endpoint

---
 .../Controllers/VersionController.cs            | 15 +++++++++++++++
 .../AzureStorageAuthenticationMiddleware.cs     |  3 ++-
 .../Controllers/VersionControllerTests.cs       | 17 +++++++++++++++++
 3 files changed, 34 insertions(+), 1 deletion(-)
 create mode 100644 src/Adliance.AzureBlobSimulator/Controllers/VersionController.cs
 create mode 100644 test/Adliance.AzureBlobSimulator.Tests/Controllers/VersionControllerTests.cs

diff --git a/src/Adliance.AzureBlobSimulator/Controllers/VersionController.cs b/src/Adliance.AzureBlobSimulator/Controllers/VersionController.cs
new file mode 100644
index 0000000..a0a7c8a
--- /dev/null
+++ b/src/Adliance.AzureBlobSimulator/Controllers/VersionController.cs
@@ -0,0 +1,15 @@
+using System.Reflection;
+using Microsoft.AspNetCore.Mvc;
+
+namespace Adliance.AzureBlobSimulator.Controllers;
+
+[ApiController]
+public class VersionController() : ControllerBase
+{
+    [HttpGet("/version")]
+    public IActionResult HandleGetRequest()
+    {
+        var assemblyVersion = Assembly.GetAssembly(typeof(Program))?.GetCustomAttribute<AssemblyInformationalVersionAttribute>()?.InformationalVersion;
+        return Ok($"v{assemblyVersion}");
+    }
+}
diff --git a/src/Adliance.AzureBlobSimulator/Middleware/AzureStorageAuthenticationMiddleware.cs b/src/Adliance.AzureBlobSimulator/Middleware/AzureStorageAuthenticationMiddleware.cs
index e131b51..9a13f11 100644
--- a/src/Adliance.AzureBlobSimulator/Middleware/AzureStorageAuthenticationMiddleware.cs
+++ b/src/Adliance.AzureBlobSimulator/Middleware/AzureStorageAuthenticationMiddleware.cs
@@ -34,7 +34,8 @@ public async Task InvokeAsync(HttpContext context)
         var request = context.Request;
 
         // Allow unauthenticated health checks
-        if (request.Path.StartsWithSegments("/health", StringComparison.OrdinalIgnoreCase))
+        if (request.Path.StartsWithSegments("/health", StringComparison.OrdinalIgnoreCase)
+            || request.Path.StartsWithSegments("/version", StringComparison.OrdinalIgnoreCase))
         {
             await _next(context);
             return;
diff --git a/test/Adliance.AzureBlobSimulator.Tests/Controllers/VersionControllerTests.cs b/test/Adliance.AzureBlobSimulator.Tests/Controllers/VersionControllerTests.cs
new file mode 100644
index 0000000..13e25a5
--- /dev/null
+++ b/test/Adliance.AzureBlobSimulator.Tests/Controllers/VersionControllerTests.cs
@@ -0,0 +1,17 @@
+using System.Net;
+using Microsoft.AspNetCore.Mvc.Testing;
+
+namespace Adliance.AzureBlobSimulator.Tests.Controllers;
+
+public class VersionControllerTests(WebApplicationFactory<Program> factory) : ControllerTestBase(factory)
+{
+    [Fact]
+    public async Task GetVersionTest()
+    {
+        var client = Factory.CreateClient();
+        client.BaseAddress = BlobServiceClient.Uri;
+        var response = await client.GetAsync("/version");
+        Assert.StartsWith("v", await response.Content.ReadAsStringAsync());
+        Assert.Equal(HttpStatusCode.OK, response.StatusCode);
+    }
+}