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diff --git a/priv/scrubbers/default.ex b/priv/scrubbers/default.ex
index 8963d99e8..cc5eba027 100644
--- a/priv/scrubbers/default.ex
+++ b/priv/scrubbers/default.ex
@@ -1,178 +1,180 @@
# Pleroma: A lightweight social networking server
# Copyright © 2017-2022 Pleroma Authors <https://pleroma.social/>
# SPDX-License-Identifier: AGPL-3.0-only
defmodule Pleroma.HTML.Scrubber.Default do
@doc "The default HTML scrubbing policy: no "
require FastSanitize.Sanitizer.Meta
alias FastSanitize.Sanitizer.Meta
# credo:disable-for-previous-line
# No idea how to fix this one…
@valid_schemes Pleroma.Config.get([:uri_schemes, :valid_schemes], [])
Meta.strip_comments()
Meta.allow_tag_with_uri_attributes(:a, ["href", "data-user", "data-tag"], @valid_schemes)
Meta.allow_tag_with_this_attribute_values(:a, "class", [
"hashtag",
"u-url",
"mention",
"u-url mention",
"mention u-url",
"mention hashtag"
])
Meta.allow_tag_with_this_attribute_values(:a, "rel", [
"tag",
"nofollow",
"noopener",
"noreferrer",
"ugc"
])
Meta.allow_tag_with_these_attributes(:a, ["name", "title", "lang"])
Meta.allow_tag_with_these_attributes(:abbr, ["title", "lang"])
Meta.allow_tag_with_these_attributes(:acronym, ["title", "lang"])
# sort(1)-ed list
Meta.allow_tag_with_these_attributes(:bdi, [])
Meta.allow_tag_with_these_attributes(:bdo, ["dir"])
Meta.allow_tag_with_these_attributes(:big, ["lang"])
Meta.allow_tag_with_these_attributes(:b, ["lang"])
Meta.allow_tag_with_these_attributes(:blockquote, ["lang"])
Meta.allow_tag_with_these_attributes(:br, ["lang"])
Meta.allow_tag_with_these_attributes(:cite, ["lang"])
Meta.allow_tag_with_these_attributes(:code, ["lang"])
Meta.allow_tag_with_these_attributes(:del, ["lang"])
Meta.allow_tag_with_these_attributes(:dfn, ["lang"])
Meta.allow_tag_with_these_attributes(:em, ["lang"])
Meta.allow_tag_with_these_attributes(:hr, ["lang"])
Meta.allow_tag_with_these_attributes(:i, ["lang"])
Meta.allow_tag_with_these_attributes(:ins, ["lang"])
Meta.allow_tag_with_these_attributes(:kbd, ["lang"])
Meta.allow_tag_with_these_attributes(:li, ["lang"])
Meta.allow_tag_with_these_attributes(:ol, ["lang"])
Meta.allow_tag_with_these_attributes(:p, ["lang"])
Meta.allow_tag_with_these_attributes(:pre, ["lang"])
Meta.allow_tag_with_these_attributes(:q, ["lang"])
Meta.allow_tag_with_these_attributes(:rb, ["lang"])
Meta.allow_tag_with_these_attributes(:rp, ["lang"])
Meta.allow_tag_with_these_attributes(:rtc, ["lang"])
Meta.allow_tag_with_these_attributes(:rt, ["lang"])
Meta.allow_tag_with_these_attributes(:ruby, ["lang"])
Meta.allow_tag_with_these_attributes(:samp, ["lang"])
Meta.allow_tag_with_these_attributes(:s, ["lang"])
Meta.allow_tag_with_these_attributes(:small, ["lang"])
Meta.allow_tag_with_these_attributes(:strong, ["lang"])
Meta.allow_tag_with_these_attributes(:sub, ["lang"])
Meta.allow_tag_with_these_attributes(:sup, ["lang"])
Meta.allow_tag_with_these_attributes(:tt, ["lang"])
Meta.allow_tag_with_these_attributes(:u, ["lang"])
Meta.allow_tag_with_these_attributes(:ul, ["lang"])
Meta.allow_tag_with_these_attributes(:var, ["lang"])
Meta.allow_tag_with_these_attributes(:wbr, ["lang"])
Meta.allow_tag_with_this_attribute_values(:span, "class", [
"h-card",
"recipients-inline",
"quote-inline",
"invisible",
"ellipsis",
"mfm-tada",
"mfm-jelly",
"mfm-twitch",
"mfm-shake",
"mfm-spin",
"mfm-jump",
"mfm-bounce",
"mfm-flip",
"mfm-x2",
"mfm-x3",
"mfm-x4",
"mfm-scale",
"mfm-position",
"mfm-fg",
"mfm-bg",
"mfm-border",
"mfm-font",
"mfm-blur",
"mfm-rainbow",
"mfm-sparkle",
"mfm-rotate",
"mfm-ruby",
- "mfm-unixtime"
+ "mfm-unixtime",
+ # Exists in Akkoma but not Misskey?
+ "mfm-center"
])
Meta.allow_tag_with_this_attribute_values(:p, "class", ["quote-inline"])
Meta.allow_tag_with_these_attributes(:span, [
"lang",
"data-mfm-speed",
"data-mfm-delay",
"data-mfm-left",
"data-mfm-alternate",
"data-mfm-x",
"data-mfm-y",
"data-mfm-h",
"data-mfm-v",
"data-mfm-color",
"data-mfm-width",
"data-mfm-style",
"data-mfm-radius",
"data-mfm-noclip",
"data-mfm-serif",
"data-mfm-monospace",
"data-mfm-cursive",
"data-mfm-fantasy",
"data-mfm-emoji",
"data-mfm-math",
"data-mfm-deg"
])
Meta.allow_tag_with_this_attribute_values(:code, "class", ["inline"])
@allow_inline_images Pleroma.Config.get([:markup, :allow_inline_images])
if @allow_inline_images do
Meta.allow_tag_with_this_attribute_values(:img, "class", ["emoji"])
# restrict img tags to http/https only, because of MediaProxy.
Meta.allow_tag_with_uri_attributes(:img, ["src"], ["http", "https"])
Meta.allow_tag_with_these_attributes(:img, [
"width",
"height",
"title",
"alt",
"lang"
])
end
if Pleroma.Config.get([:markup, :allow_tables]) do
Meta.allow_tag_with_these_attributes(:table, ["lang"])
Meta.allow_tag_with_these_attributes(:tbody, ["lang"])
Meta.allow_tag_with_these_attributes(:td, ["lang"])
Meta.allow_tag_with_these_attributes(:th, ["lang"])
Meta.allow_tag_with_these_attributes(:thead, ["lang"])
Meta.allow_tag_with_these_attributes(:tr, ["lang"])
end
if Pleroma.Config.get([:markup, :allow_headings]) do
Meta.allow_tag_with_these_attributes(:h1, ["lang"])
Meta.allow_tag_with_these_attributes(:h2, ["lang"])
Meta.allow_tag_with_these_attributes(:h3, ["lang"])
Meta.allow_tag_with_these_attributes(:h4, ["lang"])
Meta.allow_tag_with_these_attributes(:h5, ["lang"])
end
if Pleroma.Config.get([:markup, :allow_fonts]) do
Meta.allow_tag_with_these_attributes(:font, ["face", "lang"])
end
Meta.strip_everything_not_covered()
end

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