1 files changed, 52 insertions, 0 deletions
diff --git a/LibMatrix/Services/WellKnownResolver/WellKnownResolvers/BaseWellKnownResolver.cs b/LibMatrix/Services/WellKnownResolver/WellKnownResolvers/BaseWellKnownResolver.cs
new file mode 100644
index 0000000..cbe5b0a
--- /dev/null
+++ b/LibMatrix/Services/WellKnownResolver/WellKnownResolvers/BaseWellKnownResolver.cs
@@ -0,0 +1,52 @@
+using System.Diagnostics;
+using System.Net.Http.Json;
+using ArcaneLibs.Collections;
+using LibMatrix.Extensions;
+
+namespace LibMatrix.Services.WellKnownResolver.WellKnownResolvers;
+
+public class BaseWellKnownResolver<T> where T : class, new() {
+    internal static readonly SemaphoreCache<WellKnownResolverService.WellKnownResolutionResult<T>> WellKnownCache = new() {
+        StoreNulls = false
+    };
+
+    internal static readonly MatrixHttpClient HttpClient = new();
+    
+    internal async Task<WellKnownResolverService.WellKnownResolutionResult<T>> TryGetWellKnownFromUrl(string url,
+        WellKnownResolverService.WellKnownSource source) {
+        var sw = Stopwatch.StartNew();
+        try {
+            var request = await HttpClient.GetAsync(url);
+            sw.Stop();
+            var result = new WellKnownResolverService.WellKnownResolutionResult<T> {
+                Content = await request.Content.ReadFromJsonAsync<T>(),
+                Source = source,
+                SourceUri = url,
+                Warnings = []
+            };
+
+            if (sw.ElapsedMilliseconds > 1000) {
+                // logger.LogWarning($"Support well-known resolution took {sw.ElapsedMilliseconds}ms: {url}");
+                result.Warnings.Add(new() {
+                    Type = WellKnownResolverService.WellKnownResolutionWarning.WellKnownResolutionWarningType.SlowResponse,
+                    Message = $"Well-known resolution took {sw.ElapsedMilliseconds}ms"
+                });
+            }
+
+            return result;
+        }
+        catch (Exception e) {
+            return new WellKnownResolverService.WellKnownResolutionResult<T> {
+                Source = source,
+                SourceUri = url,
+                Warnings = [
+                    new() {
+                        Exception = e,
+                        Type = WellKnownResolverService.WellKnownResolutionWarning.WellKnownResolutionWarningType.Exception,
+                        Message = e.Message
+                    }
+                ]
+            };
+        }
+    }
+}
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