X-Git-Url: https://git.squeep.com/?a=blobdiff_plain;f=lib%2Fpleroma%2Finstances%2Finstance.ex;h=a1f935232e69642362be744881f1db6a311125fa;hb=af376cbffbae3ae594e594813873719dfd69664e;hp=544c4b687c8d5e0a9c13a3247fa8e731609b0188;hpb=79cf629e1a3610a93f5b9349c18a4464eb859d3d;p=akkoma
diff --git a/lib/pleroma/instances/instance.ex b/lib/pleroma/instances/instance.ex
index 544c4b687..a1f935232 100644
--- a/lib/pleroma/instances/instance.ex
+++ b/lib/pleroma/instances/instance.ex
@@ -1,5 +1,5 @@
# Pleroma: A lightweight social networking server
-# Copyright © 2017-2019 Pleroma Authors
+# Copyright © 2017-2020 Pleroma Authors
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.Instances.Instance do
@@ -17,6 +17,8 @@ defmodule Pleroma.Instances.Instance do
schema "instances" do
field(:host, :string)
field(:unreachable_since, :naive_datetime_usec)
+ field(:favicon, :string)
+ field(:favicon_updated_at, :naive_datetime)
timestamps()
end
@@ -25,7 +27,7 @@ defmodule Pleroma.Instances.Instance do
def changeset(struct, params \\ %{}) do
struct
- |> cast(params, [:host, :unreachable_since])
+ |> cast(params, [:host, :unreachable_since, :favicon, :favicon_updated_at])
|> validate_required([:host])
|> unique_constraint(:host)
end
@@ -120,4 +122,48 @@ defmodule Pleroma.Instances.Instance do
end
defp parse_datetime(datetime), do: datetime
+
+ def get_or_update_favicon(%URI{host: host} = instance_uri) do
+ existing_record = Repo.get_by(Instance, %{host: host})
+ now = NaiveDateTime.utc_now()
+
+ if existing_record && existing_record.favicon_updated_at &&
+ NaiveDateTime.diff(now, existing_record.favicon_updated_at) < 86_400 do
+ existing_record.favicon
+ else
+ favicon = scrape_favicon(instance_uri)
+
+ if existing_record do
+ existing_record
+ |> changeset(%{favicon: favicon, favicon_updated_at: now})
+ |> Repo.update()
+ else
+ %Instance{}
+ |> changeset(%{host: host, favicon: favicon, favicon_updated_at: now})
+ |> Repo.insert()
+ end
+
+ favicon
+ end
+ end
+
+ defp scrape_favicon(%URI{} = instance_uri) do
+ try do
+ with {:ok, %Tesla.Env{body: html}} <-
+ Pleroma.HTTP.get(to_string(instance_uri), [{:Accept, "text/html"}]),
+ favicon_rel <-
+ html
+ |> Floki.parse_document!()
+ |> Floki.attribute("link[rel=icon]", "href")
+ |> List.first(),
+ favicon <- URI.merge(instance_uri, favicon_rel) |> to_string(),
+ true <- is_binary(favicon) do
+ favicon
+ else
+ _ -> nil
+ end
+ rescue
+ _ -> nil
+ end
+ end
end