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Allow redcarpet to add nofollow to links

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This, using a new feature in redcarpet, allows us to avoid having
to subclass the renderer and implement links ourselves, which in
turn means that redcarpet's link sanitisation works.
This commit is contained in:
Tom Hughes 2016-03-24 08:36:32 +00:00
parent ce6d7966a1
commit 4e95ff1707
1 changed files with 1 additions and 15 deletions
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16
lib/rich_text.rb
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@ -80,26 +80,12 @@ module RichText
end
def self.html_renderer
@html_renderer ||= Renderer.new(:filter_html => true, :safe_links_only => true)
@html_renderer ||= Redcarpet::Render::XHTML.new(:filter_html => true, :safe_links_only => true, :link_attributes => { :rel => "nofollow" })
end
def self.html_parser
@html_parser ||= Redcarpet::Markdown.new(html_renderer, :no_intra_emphasis => true, :autolink => true, :space_after_headers => true)
end
class Renderer < Redcarpet::Render::XHTML
def link(link, _title, alt_text)
"<a rel=\"nofollow\" href=\"#{link}\">#{alt_text}</a>"
end
def autolink(link, link_type)
if link_type == :email
"<a rel=\"nofollow\" href=\"mailto:#{link}\">#{link}</a>"
else
"<a rel=\"nofollow\" href=\"#{link}\">#{link}</a>"
end
end
end
end
class Text < Base