1 files changed, 96 insertions, 0 deletions
diff --git a/Utilities/LibMatrix.HomeserverEmulator/Controllers/VersionsController.cs b/Utilities/LibMatrix.HomeserverEmulator/Controllers/VersionsController.cs
new file mode 100644
index 0000000..0c3bde6
--- /dev/null
+++ b/Utilities/LibMatrix.HomeserverEmulator/Controllers/VersionsController.cs
@@ -0,0 +1,96 @@
+using System.Text.Json.Nodes;
+using System.Text.Json.Serialization;
+using LibMatrix.Homeservers;
+using LibMatrix.Responses;
+using LibMatrix.Services;
+using Microsoft.AspNetCore.Mvc;
+
+namespace LibMatrix.HomeserverEmulator.Controllers;
+
+[ApiController]
+[Route("/_matrix/")]
+public class VersionsController(ILogger<WellKnownController> logger) : ControllerBase {
+    [HttpGet("client/versions")]
+    public async Task<ClientVersionsResponse> GetClientVersions() {
+        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",
+                "v1.7",
+                "v1.8",
+            },
+            UnstableFeatures = new()
+        };
+        return clientVersions;
+    }
+
+    [HttpGet("federation/v1/version")]
+    public async Task<ServerVersionResponse> GetServerVersions() {
+        var clientVersions = new ServerVersionResponse() {
+            Server = new() {
+                Name = "LibMatrix.HomeserverEmulator",
+                Version = "0.0.0"
+            }
+        };
+        return clientVersions;
+    }
+
+    [HttpGet("client/{version}/capabilities")]
+    public async Task<CapabilitiesResponse> GetCapabilities() {
+        var caps = new CapabilitiesResponse() {
+            Capabilities = new() {
+                ChangePassword = new() {
+                    Enabled = false
+                },
+                RoomVersions = new() {
+                    Default = "11",
+                    Available = []
+                }
+            }
+        };
+
+        for (int i = 0; i < 15; i++) {
+            caps.Capabilities.RoomVersions.Available.Add(i.ToString(), "stable");
+        }
+
+        return caps;
+    }
+}
+
+public class CapabilitiesResponse {
+    [JsonPropertyName("capabilities")]
+    public CapabilitiesContent Capabilities { get; set; }
+
+    public class CapabilitiesContent {
+        [JsonPropertyName("m.room_versions")]
+        public RoomVersionsContent RoomVersions { get; set; }
+
+        [JsonPropertyName("m.change_password")]
+        public ChangePasswordContent ChangePassword { get; set; }
+
+        public class ChangePasswordContent {
+            [JsonPropertyName("enabled")]
+            public bool Enabled { get; set; }
+        }
+
+        public class RoomVersionsContent {
+            [JsonPropertyName("default")]
+            public string Default { get; set; }
+
+            [JsonPropertyName("available")]
+            public Dictionary<string, string> Available { get; set; }
+        }
+    }
+}
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