Add etag to /api/v1/annotations

2019-11-09 22:05:17 -05:00 · 2019-11-09 22:05:17 -05:00 · 494c954cbb
parent 71bc9eea28
commit 494c954cbb
1 changed files with 7 additions and 1 deletions
--- a/src/invidious.cr
+++ b/src/invidious.cr
@ -4042,7 +4042,13 @@ get "/api/v1/annotations/:id" do |env|
    annotations = response.body
  end

-  annotations
+  etag = sha256(annotations)[0, 16]
+  if env.request.headers["If-None-Match"]?.try &.== etag
+    env.response.status_code = 304
+  else
+    env.response.headers["ETag"] = etag
+    annotations
+  end
 end

 get "/api/v1/videos/:id" do |env|