From f66a15c4a51e1c8f614b4c1609b2385a29762931 Mon Sep 17 00:00:00 2001
From: rinpatch <rinpatch@sdf.org>
Date: Mon, 14 Sep 2020 14:44:25 +0300
Subject: [PATCH] RichMedia parser: do not set a cache TTL for unchanging
 errors

---
 lib/pleroma/web/rich_media/parser.ex | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/lib/pleroma/web/rich_media/parser.ex b/lib/pleroma/web/rich_media/parser.ex
index 5727fda18..ab8f35922 100644
--- a/lib/pleroma/web/rich_media/parser.ex
+++ b/lib/pleroma/web/rich_media/parser.ex
@@ -36,6 +36,14 @@ defmodule Pleroma.Web.RichMedia.Parser do
         {:ok, _data} = res ->
           res
 
+        {:error, :body_too_large} = e ->
+          e
+
+        {:error, {:content_type, _}} ->
+          e
+
+        # The TTL is not set for the errors above, since they are unlikely to change
+        # with time
         {:error, _} = e ->
           ttl = Pleroma.Config.get([:rich_media, :failure_backoff], 60_000)
           Cachex.expire(:rich_media_cache, url, ttl)