1 files changed, 0 insertions, 87 deletions
diff --git a/MatrixRoomUtils.Core/Services/HomeserverResolverService.cs b/MatrixRoomUtils.Core/Services/HomeserverResolverService.cs
deleted file mode 100644
index 5856000..0000000
--- a/MatrixRoomUtils.Core/Services/HomeserverResolverService.cs
+++ /dev/null
@@ -1,87 +0,0 @@
-using System.Net.Http.Json;
-using System.Text.Json;
-using MatrixRoomUtils.Core.Extensions;
-using Microsoft.Extensions.Logging;
-
-namespace MatrixRoomUtils.Core.Services;
-
-public class HomeserverResolverService {
- private readonly MatrixHttpClient _httpClient = new();
- private readonly ILogger<HomeserverResolverService> _logger;
-
- private static readonly Dictionary<string, string> _wellKnownCache = new();
- private static readonly Dictionary<string, SemaphoreSlim> _wellKnownSemaphores = new();
-
- public HomeserverResolverService(ILogger<HomeserverResolverService> logger) {
- _logger = logger;
- }
-
- public async Task<string> ResolveHomeserverFromWellKnown(string homeserver) {
- var res = await _resolveHomeserverFromWellKnown(homeserver);
- if (!res.StartsWith("http")) res = "https://" + res;
- if (res.EndsWith(":443")) res = res.Substring(0, res.Length - 4);
- return res;
- }
-
- private async Task<string> _resolveHomeserverFromWellKnown(string homeserver) {
- if (homeserver is null) throw new ArgumentNullException(nameof(homeserver));
- SemaphoreSlim sem = _wellKnownSemaphores.GetOrCreate(homeserver, _ => new SemaphoreSlim(1, 1));
- await sem.WaitAsync();
- if (_wellKnownCache.ContainsKey(homeserver)) {
- sem.Release();
- return _wellKnownCache[homeserver];
- }
-
- string? result = null;
- _logger.LogInformation($"Attempting to resolve homeserver: {homeserver}");
- result ??= await _tryResolveFromClientWellknown(homeserver);
- result ??= await _tryResolveFromServerWellknown(homeserver);
- result ??= await _tryCheckIfDomainHasHomeserver(homeserver);
-
- if (result is not null) {
- _logger.LogInformation($"Resolved homeserver: {homeserver} -> {result}");
- _wellKnownCache[homeserver] = result;
- sem.Release();
- return result;
- }
-
- throw new InvalidDataException($"Failed to resolve homeserver for {homeserver}! Is it online and configured correctly?");
- }
-
- private async Task<string?> _tryResolveFromClientWellknown(string homeserver) {
- if (!homeserver.StartsWith("http")) homeserver = "https://" + homeserver;
- if (await _httpClient.CheckSuccessStatus($"{homeserver}/.well-known/matrix/client")) {
- var resp = await _httpClient.GetFromJsonAsync<JsonElement>($"{homeserver}/.well-known/matrix/client");
- var hs = resp.GetProperty("m.homeserver").GetProperty("base_url").GetString();
- return hs;
- }
-
- _logger.LogInformation("No client well-known...");
- return null;
- }
-
- private async Task<string?> _tryResolveFromServerWellknown(string homeserver) {
- if (!homeserver.StartsWith("http")) homeserver = "https://" + homeserver;
- if (await _httpClient.CheckSuccessStatus($"{homeserver}/.well-known/matrix/server")) {
- var resp = await _httpClient.GetFromJsonAsync<JsonElement>($"{homeserver}/.well-known/matrix/server");
- var hs = resp.GetProperty("m.server").GetString();
- return hs;
- }
-
- _logger.LogInformation("No server well-known...");
- return null;
- }
-
- private async Task<string?> _tryCheckIfDomainHasHomeserver(string homeserver) {
- _logger.LogInformation($"Checking if {homeserver} hosts a homeserver...");
- if (await _httpClient.CheckSuccessStatus($"{homeserver}/_matrix/client/versions"))
- return homeserver;
- _logger.LogInformation("No homeserver on shortname...");
- return null;
- }
-
- private async Task<string?> _tryCheckIfSubDomainHasHomeserver(string homeserver, string subdomain) {
- homeserver = homeserver.Replace("https://", $"https://{subdomain}.");
- return await _tryCheckIfDomainHasHomeserver(homeserver);
- }
-}
|
