Sha256: d4afb4f53cd5f7e546523eaa924c2676af855c60da0fee8963a7b2862dd59f42
Contents?: true
Size: 622 Bytes
Versions: 78
Compression:
Stored size: 622 Bytes
Contents
require 'base64'
require 'zlib'
module Pheme
module Compression
def compress(body)
gz = Zlib::GzipWriter.new(StringIO.new)
gz << body
Base64.encode64(gz.close.string)
end
def decompress(body)
return Zlib::GzipReader.new(StringIO.new(Base64.decode64(body))).read if gzip?(body)
body
end
private
# https://tools.ietf.org/html/rfc1952#page-6
GZIP_MAGIC_NUMBER = "\037\213".unpack('n').freeze
def gzip?(body)
# Decode the first 4 bytes to compare with magic number
Base64.decode64(body[0..4]).unpack('n') == GZIP_MAGIC_NUMBER
end
end
end
Version data entries
78 entries across 78 versions & 1 rubygems