Add: Support instructing browsers to cache backgroundImage.

By instructing the browser to allow caching of resources, it can significantly speed up the browser's loading of previous images (due to the use of hard disk caching).
Piotrekol · Jun 13, 2023 · 8ff70ed · 8ff70ed
1 parent 6f30d4e
commit 8ff70ed
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/plugins/WebSocketDataSender/WebSocketDataGetter.cs b/plugins/WebSocketDataSender/WebSocketDataGetter.cs
@@ -165,6 +165,10 @@ private async Task SendCurrentBeatmapImage(IHttpContext context)
                 if (!File.Exists(location))
                     return;
 
+                bool.TryParse(context.Request.QueryString.Get("cache"), out var enableCache);
+                if (enableCache)
+                    context.Response.Headers.Add("Cache-Control", "public, max-age=7200");
+
                 await using var fs = new FileStream(location, FileMode.Open, FileAccess.Read);
                 if (!(context.Request.QueryString.ContainsKey("width") ||
                     context.Request.QueryString.ContainsKey("height")))