107 lines
3.7 KiB
Elixir
107 lines
3.7 KiB
Elixir
# 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"
|
|
])
|
|
|
|
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(:b, ["lang"])
|
|
Meta.allow_tag_with_these_attributes(:blockquote, ["lang"])
|
|
Meta.allow_tag_with_these_attributes(:br, ["lang"])
|
|
Meta.allow_tag_with_these_attributes(:code, ["lang"])
|
|
Meta.allow_tag_with_these_attributes(:del, ["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(: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(:strong, ["lang"])
|
|
Meta.allow_tag_with_these_attributes(:sub, ["lang"])
|
|
Meta.allow_tag_with_these_attributes(:sup, ["lang"])
|
|
Meta.allow_tag_with_these_attributes(:ruby, ["lang"])
|
|
Meta.allow_tag_with_these_attributes(:rb, ["lang"])
|
|
Meta.allow_tag_with_these_attributes(:rp, ["lang"])
|
|
Meta.allow_tag_with_these_attributes(:rt, ["lang"])
|
|
Meta.allow_tag_with_these_attributes(:rtc, ["lang"])
|
|
Meta.allow_tag_with_these_attributes(:u, ["lang"])
|
|
Meta.allow_tag_with_these_attributes(:ul, ["lang"])
|
|
|
|
Meta.allow_tag_with_this_attribute_values(:span, "class", ["h-card", "recipients-inline", "quote-inline"])
|
|
Meta.allow_tag_with_these_attributes(:span, ["lang"])
|
|
|
|
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
|