1 files changed, 46 insertions, 0 deletions
diff --git a/LibMatrix/Homeservers/RemoteHomeServer.cs b/LibMatrix/Homeservers/RemoteHomeServer.cs
new file mode 100644
index 0000000..fc31f4f
--- /dev/null
+++ b/LibMatrix/Homeservers/RemoteHomeServer.cs
@@ -0,0 +1,46 @@
+using System;
+using System.Collections.Generic;
+using System.Net.Http.Json;
+using System.Threading;
+using System.Threading.Tasks;
+using LibMatrix.Extensions;
+using LibMatrix.Responses;
+using LibMatrix.StateEventTypes.Spec;
+
+namespace LibMatrix.Homeservers;
+
+public class RemoteHomeServer {
+    public RemoteHomeServer(string canonicalHomeServerDomain) {
+        HomeServerDomain = canonicalHomeServerDomain;
+        _httpClient = new MatrixHttpClient();
+        _httpClient.Timeout = TimeSpan.FromSeconds(5);
+    }
+
+    private Dictionary<string, object> _profileCache { get; set; } = new();
+    public string HomeServerDomain { get; set; }
+    public string FullHomeServerDomain { get; set; }
+    public MatrixHttpClient _httpClient { get; set; }
+
+    public async Task<ProfileResponseEventData> GetProfile(string mxid) {
+        if(mxid is null) throw new ArgumentNullException(nameof(mxid));
+        if (_profileCache.TryGetValue(mxid, out var value)) {
+            if (value is SemaphoreSlim s) await s.WaitAsync();
+            if (value is ProfileResponseEventData p) return p;
+        }
+        _profileCache[mxid] = new SemaphoreSlim(1);
+
+        var resp = await _httpClient.GetAsync($"/_matrix/client/v3/profile/{mxid}");
+        var data = await resp.Content.ReadFromJsonAsync<ProfileResponseEventData>();
+        if (!resp.IsSuccessStatusCode) Console.WriteLine("Profile: " + data);
+        _profileCache[mxid] = data;
+
+        return data;
+    }
+
+    public async Task<ClientVersionsResponse> GetClientVersions() {
+        var resp = await _httpClient.GetAsync($"/_matrix/client/versions");
+        var data = await resp.Content.ReadFromJsonAsync<ClientVersionsResponse>();
+        if (!resp.IsSuccessStatusCode) Console.WriteLine("ClientVersions: " + data);
+        return data;
+    }
+}