Redmine/lib/redmine/wiki_formatting/html_sanitizer.rb

# frozen_string_literal: true

# Redmine - project management software
# Copyright (C) 2006-2022  Jean-Philippe Lang
#
# This program is free software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

module Redmine
  module WikiFormatting
    # Combination of SanitizationFilter and ExternalLinksFilter
    class HtmlSanitizer
      Pipeline = HTML::Pipeline.new(
        [
          Redmine::WikiFormatting::CommonMark::SanitizationFilter,
          Redmine::WikiFormatting::CommonMark::ExternalLinksFilter,
        ], {})

      def self.call(html)
        result = Pipeline.call html
        result[:output].to_s
      end
    end
  end
end