Sha256: d2b51ccff6311fc2556ccdc2b355f55b4be1fd7989356bca20a7d3f39beafaf6
Contents?: true
Size: 1019 Bytes
Versions: 37
Compression:
Stored size: 1019 Bytes
Contents
# encoding: utf-8
#require 'base64'
module OneApm
module Agent
class Obfuscator
attr_reader :key_bytes
EMPTY_KEY_BYTES = [0]
PACK_FORMAT = 'm'
# RUM uses a shortened key, so just trim it up front
def initialize(key, length=nil)
if key.nil? || key.empty?
@key_bytes = EMPTY_KEY_BYTES
else
@key_bytes = key.bytes.to_a
@key_bytes = @key_bytes.first(length) if length
end
end
def obfuscate(text)
[ encode(text) ].pack(PACK_FORMAT).gsub(/\n/, '')
end
def deobfuscate(text)
encode(text.unpack(PACK_FORMAT).first )
end
def encode(text)
return text unless key_bytes
encoded = ""
encoded.force_encoding('binary') if encoded.respond_to?( :force_encoding )
index = 0
text.each_byte do |byte|
encoded.concat((byte ^ key_bytes[index % key_bytes.length]))
index+=1
end
encoded
end
end
end
end
Version data entries
37 entries across 37 versions & 1 rubygems