mirror of
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85 lines
2.6 KiB
Elixir
85 lines
2.6 KiB
Elixir
# Portions of this file are derived from Pleroma:
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# Copyright © 2017-2019 Pleroma Authors <https://pleroma.social>
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# SPDX-License-Identifier: AGPL-3.0-only
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# Upstream: https://git.pleroma.social/pleroma/pleroma/blob/develop/lib/pleroma/html.ex
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defmodule Mobilizon.Service.Formatter.DefaultScrubbler do
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@moduledoc """
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Custom strategy to filter HTML content.
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"""
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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 ~w(https http)
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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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# Rel attributes are separated by spaces
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Meta.allow_tag_with_this_attribute_values(:a, "rel", [
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"noopener noreferrer ugc"
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])
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Meta.allow_tag_with_these_attributes(:a, ["name", "title", "target"])
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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(: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(:u, [])
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Meta.allow_tag_with_these_attributes(:ul, [])
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Meta.allow_tag_with_uri_attributes(:img, ["src"], @valid_schemes)
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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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"class",
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"title",
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"alt",
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"data-media-id"
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])
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Meta.allow_tag_with_this_attribute_values(:span, "class", ["h-card", "mention"])
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Meta.allow_tag_with_this_attribute_values(:span, "dir", ["ltr", "rtl", "auto"])
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Meta.allow_tag_with_these_attributes(:span, ["data-user"])
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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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Meta.allow_tag_with_these_attributes(:hr, [])
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Meta.strip_everything_not_covered()
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end
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