Sha256: f62e3ab43346d84567075c121c4069779154bf7c82f7e4856d889f7d52e0c2ad
Contents?: true
Size: 1.14 KB
Versions: 15
Compression:
Stored size: 1.14 KB
Contents
# This file is distributed under New Relic's license terms.
# See https://github.com/newrelic/newrelic-ruby-agent/blob/main/LICENSE for complete details.
# frozen_string_literal: true
module NewRelic
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).delete("\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
15 entries across 15 versions & 1 rubygems