/usr/lib/ruby/vendor_ruby/active_support/gzip.rb is in ruby-activesupport-3.2 3.2.6-6+deb7u1.
This file is owned by root:root, with mode 0o644.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 | require 'zlib'
require 'stringio'
require 'active_support/core_ext/string/encoding'
module ActiveSupport
# A convenient wrapper for the zlib standard library that allows compression/decompression of strings with gzip.
module Gzip
class Stream < StringIO
def initialize(*)
super
set_encoding "BINARY" if "".encoding_aware?
end
def close; rewind; end
end
# Decompresses a gzipped string.
def self.decompress(source)
Zlib::GzipReader.new(StringIO.new(source)).read
end
# Compresses a string using gzip.
def self.compress(source)
output = Stream.new
gz = Zlib::GzipWriter.new(output)
gz.write(source)
gz.close
output.string
end
end
end
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