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| author | Haelwenn (lanodan) Monnier <contact@hacktivis.me> | 2024-02-20 08:45:48 +0100 |
|---|---|---|
| committer | Haelwenn (lanodan) Monnier <contact@hacktivis.me> | 2024-02-20 09:09:54 +0100 |
| commit | 7d624c4750dcf53d48cc65874c832513f2b03fbc (patch) | |
| tree | 6a5099520f07c0ae749a3f28df1a1abf7ed8aba1 /lib | |
| parent | 0b9bc4a0d0e44a873bc59e8994f1996499ed0c4b (diff) | |
StealEmojiPolicy: Sanitize shortcodes
Closes: https://git.pleroma.social/pleroma/pleroma/-/issues/3245
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/pleroma/web/activity_pub/mrf/steal_emoji_policy.ex | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/lib/pleroma/web/activity_pub/mrf/steal_emoji_policy.ex b/lib/pleroma/web/activity_pub/mrf/steal_emoji_policy.ex index 237dfefa5..fa6b595ea 100644 --- a/lib/pleroma/web/activity_pub/mrf/steal_emoji_policy.ex +++ b/lib/pleroma/web/activity_pub/mrf/steal_emoji_policy.ex @@ -36,6 +36,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.StealEmojiPolicy do extension = if extension == "", do: ".png", else: extension + shortcode = Path.basename(shortcode) file_path = Path.join(emoji_dir_path, shortcode <> extension) case File.write(file_path, response.body) do @@ -78,6 +79,7 @@ defmodule Pleroma.Web.ActivityPub.MRF.StealEmojiPolicy do new_emojis = foreign_emojis |> Enum.reject(fn {shortcode, _url} -> shortcode in installed_emoji end) + |> Enum.reject(fn {shortcode, _url} -> String.contains?(shortcode, ["/", "\\"]) end) |> Enum.filter(fn {shortcode, _url} -> reject_emoji? = [:mrf_steal_emoji, :rejected_shortcodes] |