Class: Loofah::Scrubbers::Strip

Inherits:
Loofah::Scrubber show all
Defined in:
lib/loofah/scrubbers.rb

Overview

scrub!(:strip)

+:strip+ removes unknown/unsafe tags, but leaves behind the pristine contents:

   unsafe_html = "ohai! <div>div is safe</div> <foo>but foo is <b>not</b></foo>"
   Loofah.fragment(unsafe_html).scrub!(:strip)
   => "ohai! <div>div is safe</div> but foo is <b>not</b>"

Constant Summary

Constants inherited from Loofah::Scrubber

Loofah::Scrubber::CONTINUE, Loofah::Scrubber::STOP

Instance Attribute Summary

Attributes inherited from Loofah::Scrubber

#block, #direction

Instance Method Summary collapse

Methods inherited from Loofah::Scrubber

#append_attribute, #traverse

Constructor Details

#initialize ⇒ Strip

Returns a new instance of Strip.



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# File 'lib/loofah/scrubbers.rb', line 97

def initialize
  @direction = :bottom_up
end

Instance Method Details

#scrub(node) ⇒ Object 



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# File 'lib/loofah/scrubbers.rb', line 101

def scrub(node)
  return CONTINUE if html5lib_sanitize(node) == CONTINUE
  if node.children.length == 1 && node.children.first.cdata?
    sanitized_text = Loofah.fragment(node.children.first.to_html).scrub!(:strip).to_html
    node.before Nokogiri::XML::Text.new(sanitized_text, node.document)
  else
    node.before node.children
  end
  node.remove
end