Move get_favicon to Pleroma.Instances, use /

lib/pleroma/application.ex

@@ -150,6 +150,7 @@ defmodule Pleroma.Application do
       build_cachex("emoji_packs", expiration: emoji_packs_expiration(), limit: 10),
       build_cachex("failed_proxy_url", limit: 2500),
       build_cachex("banned_urls", default_ttl: :timer.hours(24 * 30), limit: 5_000)
+      build_cachex("instances", default_ttl: 25_000, ttl_interval: 1000, limit: 2500)
     ]
   end
 

lib/pleroma/instances.ex

@@ -37,4 +37,32 @@ defmodule Pleroma.Instances do
       url_or_host
     end
   end
+
+  def get_cached_favicon(instance_url) when is_binary(instance_url) do
+    Cachex.fetch!(:instances_cache, instance_url, fn _ -> get_favicon(instance_url) end)
+  end
+
+  def get_cached_favicon(_instance_url) do
+    nil
+  end
+
+  def get_favicon(instance_url) when is_binary(instance_url) do
+    try do
+      with {:ok, %Tesla.Env{body: html}} <-
+             Pleroma.HTTP.get(instance_url, [{:Accept, "text/html"}]),
+           favicon_rel <-
+             html
+             |> Floki.parse_document!()
+             |> Floki.attribute("link[rel=icon]", "href")
+             |> List.first(),
+           favicon_url <- URI.merge(URI.parse(instance_url), favicon_rel) |> to_string(),
+           true <- is_binary(favicon_url) do
+        favicon_url
+      else
+        _ -> nil
+      end
+    rescue
+      _ -> nil
+    end
+  end
 end

lib/pleroma/user.ex

@@ -2253,34 +2253,4 @@ defmodule Pleroma.User do
     |> Map.put(:bio, HTML.filter_tags(user.bio, filter))
     |> Map.put(:fields, fields)
   end
-
-  def get_cached_favicon(%User{} = user) do
-    key = "favicon:#{user.ap_id}"
-    Cachex.fetch!(:user_cache, key, fn _ -> get_favicon(user) end)
-  end
-
-  def get_cached_favicon(_user) do
-    nil
-  end
-
-  def get_favicon(user) do
-    try do
-      with url <- user.ap_id,
-           true <- is_binary(url),
-           {:ok, %Tesla.Env{body: html}} <- Pleroma.HTTP.get(url),
-           favicon_rel <-
-             html
-             |> Floki.parse_document!()
-             |> Floki.attribute("link[rel=icon]", "href")
-             |> List.first(),
-           favicon_url <- URI.merge(URI.parse(url), favicon_rel) |> to_string(),
-           true <- is_binary(favicon_url) do
-        favicon_url
-      else
-        _ -> nil
-      end
-    rescue
-      _ -> nil
-    end
-  end
 end

lib/pleroma/web/mastodon_api/views/account_view.ex

@@ -204,6 +204,15 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do
         %{}
       end
 
+    favicon =
+      user
+      |> Map.get(:ap_id, "")
+      |> URI.parse()
+      |> URI.merge("/")
+      |> to_string()
+      |> Pleroma.Instances.get_cached_favicon()
+      |> MediaProxy.url()
+
     %{
       id: to_string(user.id),
       username: username_from_nickname(user.nickname),
@@ -246,7 +255,7 @@ defmodule Pleroma.Web.MastodonAPI.AccountView do
         relationship: relationship,
         skip_thread_containment: user.skip_thread_containment,
         background_image: image_url(user.background) |> MediaProxy.url(),
-        favicon: User.get_cached_favicon(user) |> MediaProxy.url()
+        favicon: favicon
       }
     }
     |> maybe_put_role(user, opts[:for])