1 files changed, 52 insertions, 0 deletions
diff --git a/MxApiExtensions/Controllers/ClientVersionsController.cs b/MxApiExtensions/Controllers/ClientVersionsController.cs
new file mode 100644
index 0000000..60a3364
--- /dev/null
+++ b/MxApiExtensions/Controllers/ClientVersionsController.cs
@@ -0,0 +1,52 @@
+using System.Net.Http.Headers;
+using LibMatrix.Responses;
+using Microsoft.AspNetCore.Mvc;
+using MxApiExtensions.Services;
+
+namespace MxApiExtensions.Controllers;
+
+[ApiController]
+[Route("/")]
+public class ClientVersionsController : ControllerBase {
+    private readonly ILogger _logger;
+    private readonly AuthenticatedHomeserverProviderService _authenticatedHomeserverProviderService;
+    private static Dictionary<string, string> _tokenMap = new();
+
+    public ClientVersionsController(ILogger<ClientVersionsController> logger, MxApiExtensionsConfiguration config, AuthenticationService authenticationService, AuthenticatedHomeserverProviderService authenticatedHomeserverProviderService) {
+        _logger = logger;
+        _authenticatedHomeserverProviderService = authenticatedHomeserverProviderService;
+    }
+
+    [HttpGet("/_matrix/client/versions")]
+    public async Task<ClientVersionsResponse> Proxy([FromQuery] string? access_token, string? _) {
+        var clientVersions = new ClientVersionsResponse() {
+            Versions = new() {
+                "r0.0.1",
+                "r0.1.0",
+                "r0.2.0",
+                "r0.3.0",
+                "r0.4.0",
+                "r0.5.0",
+                "r0.6.0",
+                "r0.6.1",
+                "v1.1",
+                "v1.2",
+                "v1.3",
+                "v1.4",
+                "v1.5",
+                "v1.6"
+            },
+            UnstableFeatures = new()
+        };
+        try {
+            var hs = await _authenticatedHomeserverProviderService.GetHomeserver();
+            clientVersions = await hs.GetClientVersions();
+
+            _logger.LogInformation("Fetching client versions for {}: {}{}", hs.WhoAmI.UserId, Request.Path, Request.QueryString);
+        }
+        catch { }
+
+        clientVersions.UnstableFeatures.Add("gay.rory.mxapiextensions.v0", true);
+        return clientVersions;
+    }
+}