Method: Rex::Text.unicode_filter_encode

Defined in:
lib/rex/text.rb

.unicode_filter_encode(str) ⇒ Object

A custom unicode filter for dealing with multi-byte strings on a 8-bit console Punycode would have been more “standard”, but it requires valid Unicode chars



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# File 'lib/rex/text.rb', line 1711

def self.unicode_filter_encode(str)
  if (str.to_s.unpack("C*") & ( LowAscii + HighAscii + "\x7f" ).unpack("C*")).length > 0
    str = "$U$" + str.unpack("C*").select{|c| c < 0x7f and c > 0x1f and c != 0x2d}.pack("C*") + "-0x" + str.unpack("H*")[0]
  else
    str
  end
end