OpenSSL::Buffering monkey patch for handling utf-8 chars in payload

open_ssl_patch.rb

require 'openssl'
raise "Patching OpenSSL::Buffering may not be necessary in ruby #{RUBY_VERSION}p.#{RUBY_PATCHLEVEL}" unless RUBY_VERSION == "1.9.2" && RUBY_PATCHLEVEL == 290

# See this issue for more info.
# http://bugs.ruby-lang.org/issues/5233

module OpenSSL::Buffering
  private

  ##
  # Writes +s+ to the buffer.  When the buffer is full or #sync is true the
  # buffer is flushed to the underlying socket.

  def do_write(s)
    @wbuffer = "" unless defined? @wbuffer
    @wbuffer << s
    @wbuffer.force_encoding(Encoding::BINARY)
    @sync ||= false
    if @sync or @wbuffer.size > BLOCK_SIZE or idx = @wbuffer.rindex($/)
      remain = idx ? idx + $/.size : @wbuffer.length
      nwritten = 0
      while remain > 0
        str = @wbuffer[nwritten,remain]
        begin
          nwrote = syswrite(str)
        rescue Errno::EAGAIN
          retry
        end
        remain -= nwrote
        nwritten += nwrote
      end
      @wbuffer[0,nwritten] = ""
    end
  end
end

Opened an issue in Rails