discourse/lib/freedom_patches/scrub.rb
Sam 9738c4ff48 FEATURE: backport a minimal String#scrub
BUGFIX: invalid byte sequence in email would explode all processing
2013-12-30 14:05:25 +11:00

16 lines
412 B
Ruby

class String
# A poor man's scrub, Ruby 2.1 has a much better implementation, but this will do
unless method_defined? :scrub
def scrub
str = dup.force_encoding("utf-8")
unless str.valid_encoding?
# work around bust string with a double conversion
str.encode!("utf-16","utf-8",:invalid => :replace)
str.encode!("utf-8","utf-16")
end
str
end
end
end