Merge branch 'fix/mrf-steal-emoji-regex' into 'develop'

StealEmojiPolicy: fix String rejected_shortcodes

See merge request pleroma/pleroma!3673
This commit is contained in:
lain 2022-05-19 08:55:39 +00:00
commit bdca5f5d68
2 changed files with 30 additions and 4 deletions

View File

@ -12,6 +12,14 @@ defmodule Pleroma.Web.ActivityPub.MRF.StealEmojiPolicy do
defp accept_host?(host), do: host in Config.get([:mrf_steal_emoji, :hosts], [])
defp shortcode_matches?(shortcode, pattern) when is_binary(pattern) do
shortcode == pattern
end
defp shortcode_matches?(shortcode, pattern) do
String.match?(shortcode, pattern)
end
defp steal_emoji({shortcode, url}, emoji_dir_path) do
url = Pleroma.Web.MediaProxy.url(url)
@ -72,7 +80,7 @@ def filter(%{"object" => %{"emoji" => foreign_emojis, "actor" => actor}} = messa
reject_emoji? =
[:mrf_steal_emoji, :rejected_shortcodes]
|> Config.get([])
|> Enum.find(false, fn regex -> String.match?(shortcode, regex) end)
|> Enum.find(false, fn pattern -> shortcode_matches?(shortcode, pattern) end)
!reject_emoji?
end)
@ -122,8 +130,12 @@ def config_description do
%{
key: :rejected_shortcodes,
type: {:list, :string},
description: "Regex-list of shortcodes to reject",
suggestions: [""]
description: """
A list of patterns or matches to reject shortcodes with.
Each pattern can be a string or [Regex](https://hexdocs.pm/elixir/Regex.html) in the format of `~r/PATTERN/`.
""",
suggestions: ["foo", ~r/foo/]
},
%{
key: :size_limit,

View File

@ -60,7 +60,7 @@ test "Steals emoji on unknown shortcode from allowed remote host", %{
|> File.exists?()
end
test "reject shortcode", %{message: message} do
test "reject regex shortcode", %{message: message} do
refute "firedfox" in installed()
clear_config(:mrf_steal_emoji,
@ -74,6 +74,20 @@ test "reject shortcode", %{message: message} do
refute "firedfox" in installed()
end
test "reject string shortcode", %{message: message} do
refute "firedfox" in installed()
clear_config(:mrf_steal_emoji,
hosts: ["example.org"],
size_limit: 284_468,
rejected_shortcodes: ["firedfox"]
)
assert {:ok, _message} = StealEmojiPolicy.filter(message)
refute "firedfox" in installed()
end
test "reject if size is above the limit", %{message: message} do
refute "firedfox" in installed()