23 lines
606 B
Ruby
23 lines
606 B
Ruby
module Banzai
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module Filter
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# HTML Filter to modify the attributes of external links
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class ExternalLinkFilter < HTML::Pipeline::Filter
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def call
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# Skip non-HTTP(S) links and internal links
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doc.xpath("descendant-or-self::a[starts-with(@href, 'http') and not(starts-with(@href, '#{internal_url}'))]").each do |node|
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node.set_attribute('rel', 'nofollow noreferrer')
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node.set_attribute('target', '_blank')
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end
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doc
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end
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private
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def internal_url
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@internal_url ||= Gitlab.config.gitlab.url
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end
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end
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end
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end
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