Increase the :max_body for Rich Media to 5MB

Websites are increasingly getting more bloated with tricks like inlining content (e.g., CNN.com) which puts pages at or above 5MB. This value may still be too low.

config/config.exs

@@ -440,8 +440,9 @@ config :pleroma, :rich_media,
     Pleroma.Web.RichMedia.Parsers.TwitterCard,
     Pleroma.Web.RichMedia.Parsers.OEmbed
   ],
-  failure_backoff: :timer.minutes(20),
-  ttl_setters: [Pleroma.Web.RichMedia.Parser.TTL.AwsSignedUrl]
+  ttl_setters: [Pleroma.Web.RichMedia.Parser.TTL.AwsSignedUrl],
+  failure_backoff: 60_000,
+  max_body: 5_000_000
 
 config :pleroma, :media_proxy,
   enabled: false,

config/test.exs

@@ -63,7 +63,8 @@ config :tesla, adapter: Tesla.Mock
 config :pleroma, :rich_media,
   enabled: false,
   ignore_hosts: [],
-  ignore_tld: ["local", "localdomain", "lan"]
+  ignore_tld: ["local", "localdomain", "lan"],
+  max_body: 2_000_000
 
 config :pleroma, :instance,
   multi_factor_authentication: [

lib/pleroma/web/rich_media/helpers.ex

@@ -59,7 +59,7 @@ defmodule Pleroma.Web.RichMedia.Helpers do
   defp http_options() do
     [
       pool: :media,
-      max_body: Config.get([:rich_media, :max_body], 2_000_000)
+      max_body: Config.get([:rich_media, :max_body], 5_000_000)
     ]
   end
 end