Abstract FederationClient from RemoteHomeserver
1 files changed, 67 insertions, 0 deletions
diff --git a/LibMatrix/Homeservers/FederationClient.cs b/LibMatrix/Homeservers/FederationClient.cs
new file mode 100644
index 0000000..6001862
--- /dev/null
+++ b/LibMatrix/Homeservers/FederationClient.cs
@@ -0,0 +1,67 @@
+using System.Net.Http.Json;
+using System.Text.Json;
+using System.Text.Json.Serialization;
+using System.Web;
+using ArcaneLibs.Extensions;
+using LibMatrix.Extensions;
+using LibMatrix.Responses;
+using LibMatrix.Services;
+
+namespace LibMatrix.Homeservers;
+
+public class FederationClient(string baseUrl) {
+ public static async Task<FederationClient?> TryCreate(string baseUrl, string? proxy = null) {
+ try {
+ return await Create(baseUrl, proxy);
+ }
+ catch (Exception e) {
+ Console.WriteLine($"Failed to create homeserver {baseUrl}: {e.Message}");
+ return null;
+ }
+ }
+
+ public static async Task<FederationClient> Create(string baseUrl, string? proxy = null) {
+ var homeserver = new FederationClient(baseUrl);
+ homeserver.WellKnownUris = await new HomeserverResolverService().ResolveHomeserverFromWellKnown(baseUrl);
+ if(string.IsNullOrWhiteSpace(proxy) && string.IsNullOrWhiteSpace(homeserver.WellKnownUris.Client))
+ Console.WriteLine($"Failed to resolve homeserver client URI for {baseUrl}");
+ if(string.IsNullOrWhiteSpace(proxy) && string.IsNullOrWhiteSpace(homeserver.WellKnownUris.Server))
+ Console.WriteLine($"Failed to resolve homeserver server URI for {baseUrl}");
+
+ if (!string.IsNullOrWhiteSpace(homeserver.WellKnownUris.Server))
+ homeserver.HttpClient = new() {
+ BaseAddress = new Uri(proxy ?? homeserver.WellKnownUris.Server ?? throw new InvalidOperationException($"Failed to resolve homeserver server URI for {baseUrl}")),
+ Timeout = TimeSpan.FromSeconds(120)
+ };
+
+ if (proxy is not null) {
+ homeserver.HttpClient.DefaultRequestHeaders.Add("MXAE_UPSTREAM", baseUrl);
+ }
+
+ return homeserver;
+ }
+
+ public string BaseUrl { get; } = baseUrl;
+
+ public MatrixHttpClient HttpClient { get; set; } = null!;
+ public HomeserverResolverService.WellKnownUris WellKnownUris { get; set; } = null!;
+
+ public async Task<ServerVersionResponse> GetServerVersionAsync() {
+ return await HttpClient.GetFromJsonAsync<ServerVersionResponse>("/_matrix/federation/v1/version");
+ }
+
+}
+
+public class ServerVersionResponse {
+ [JsonPropertyName("server")]
+ public required ServerInfo Server { get; set; }
+
+ // ReSharper disable once ClassNeverInstantiated.Global
+ public class ServerInfo {
+ [JsonPropertyName("name")]
+ public string Name { get; set; }
+
+ [JsonPropertyName("version")]
+ public string Version { get; set; }
+ }
+}
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