134 lines
3.9 KiB
Elixir
134 lines
3.9 KiB
Elixir
defmodule Pleroma.HTML.Scrubber.Default do
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@doc "The default HTML scrubbing policy: no "
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require FastSanitize.Sanitizer.Meta
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alias FastSanitize.Sanitizer.Meta
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# credo:disable-for-previous-line
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# No idea how to fix this one…
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@valid_schemes Pleroma.Config.get([:uri_schemes, :valid_schemes], [])
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Meta.strip_comments()
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Meta.allow_tag_with_uri_attributes(:a, ["href", "data-user", "data-tag"], @valid_schemes)
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Meta.allow_tag_with_this_attribute_values(:a, "class", [
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"hashtag",
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"u-url",
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"mention",
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"u-url mention",
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"mention u-url"
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])
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Meta.allow_tag_with_this_attribute_values(:a, "rel", [
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"tag",
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"nofollow",
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"noopener",
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"noreferrer",
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"ugc"
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])
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Meta.allow_tag_with_these_attributes(:a, ["name", "title"])
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Meta.allow_tag_with_these_attributes(:abbr, ["title"])
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Meta.allow_tag_with_these_attributes(:b, [])
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Meta.allow_tag_with_these_attributes(:blockquote, [])
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Meta.allow_tag_with_these_attributes(:br, [])
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Meta.allow_tag_with_these_attributes(:code, [])
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Meta.allow_tag_with_these_attributes(:del, [])
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Meta.allow_tag_with_these_attributes(:em, [])
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Meta.allow_tag_with_these_attributes(:hr, [])
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Meta.allow_tag_with_these_attributes(:i, [])
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Meta.allow_tag_with_these_attributes(:li, [])
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Meta.allow_tag_with_these_attributes(:ol, [])
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Meta.allow_tag_with_these_attributes(:p, [])
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Meta.allow_tag_with_these_attributes(:pre, [])
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Meta.allow_tag_with_these_attributes(:strong, [])
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Meta.allow_tag_with_these_attributes(:sub, [])
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Meta.allow_tag_with_these_attributes(:sup, [])
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Meta.allow_tag_with_these_attributes(:ruby, [])
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Meta.allow_tag_with_these_attributes(:rb, [])
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Meta.allow_tag_with_these_attributes(:rp, [])
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Meta.allow_tag_with_these_attributes(:rt, [])
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Meta.allow_tag_with_these_attributes(:rtc, [])
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Meta.allow_tag_with_these_attributes(:u, [])
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Meta.allow_tag_with_these_attributes(:ul, [])
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Meta.allow_tags_with_style_attributes([:span])
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Meta.allow_tag_with_this_attribute_values(:span, "class", [
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"h-card",
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"quote-inline",
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"mfm",
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"mfm _mfm_tada_",
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"mfm _mfm_jelly_",
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"mfm _mfm_twitch_",
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"mfm _mfm_shake_",
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"mfm _mfm_spin_",
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"mfm _mfm_jump_",
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"mfm _mfm_bounce_",
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"mfm _mfm_flip_",
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"mfm _mfm_x2_",
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"mfm _mfm_x3_",
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"mfm _mfm_x4_",
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"mfm _mfm_blur_",
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"mfm _mfm_rainbow_",
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"mfm _mfm_rotate_"
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])
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Meta.allow_tag_with_these_attributes(:span, [
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"data-x",
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"data-y",
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"data-h",
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"data-v",
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"data-left",
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"data-right"
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])
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Meta.allow_tag_with_this_attribute_values(:code, "class", ["inline"])
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@allow_inline_images Pleroma.Config.get([:markup, :allow_inline_images])
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if @allow_inline_images do
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# restrict img tags to http/https only, because of MediaProxy.
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Meta.allow_tag_with_uri_attributes(:img, ["src"], ["http", "https"])
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Meta.allow_tag_with_these_attributes(:img, [
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"width",
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"height",
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"title",
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"alt"
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])
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end
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if Pleroma.Config.get([:markup, :allow_tables]) do
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Meta.allow_tag_with_these_attributes(:table, [])
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Meta.allow_tag_with_these_attributes(:tbody, [])
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Meta.allow_tag_with_these_attributes(:td, [])
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Meta.allow_tag_with_these_attributes(:th, [])
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Meta.allow_tag_with_these_attributes(:thead, [])
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Meta.allow_tag_with_these_attributes(:tr, [])
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end
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if Pleroma.Config.get([:markup, :allow_headings]) do
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Meta.allow_tag_with_these_attributes(:h1, [])
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Meta.allow_tag_with_these_attributes(:h2, [])
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Meta.allow_tag_with_these_attributes(:h3, [])
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Meta.allow_tag_with_these_attributes(:h4, [])
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Meta.allow_tag_with_these_attributes(:h5, [])
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end
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if Pleroma.Config.get([:markup, :allow_fonts]) do
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Meta.allow_tag_with_these_attributes(:font, ["face"])
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end
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Meta.allow_tag_with_these_attributes(:center, [])
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Meta.allow_tag_with_these_attributes(:small, [])
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Meta.strip_everything_not_covered()
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defp scrub_css(value), do: value
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end
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