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# frozen_string_literal: true
require 'uri'
module Banzai
module Filter
class BaseRelativeLinkFilter < HTML::Pipeline::Filter
include Gitlab::Utils::StrongMemoize
protected
def linkable_attributes
strong_memoize(:linkable_attributes) do
attrs = []
attrs += doc.search('a:not(.gfm)').map do |el|
el.attribute('href')
end
attrs += doc.search('img:not(.gfm), video:not(.gfm), audio:not(.gfm)').flat_map do |el|
[el.attribute('src'), el.attribute('data-src')]
end
attrs.reject do |attr|
attr.blank? || attr.value.start_with?('//')
end
end
end
def relative_url_root
Gitlab.config.gitlab.relative_url_root.presence || '/'
end
def project
context[:project]
end
private
def unescape_and_scrub_uri(uri)
Addressable::URI.unescape(uri).scrub.delete("\0")
end
end
end
end
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