Sha256: fc8054476e9d8ef07a8957c63d06f74bd95566ff5ba8d5d2001e52d48e51d602
Contents?: true
Size: 1.37 KB
Versions: 22
Compression:
Stored size: 1.37 KB
Contents
require 'base64'
module Flydata
module Util
class Encryptor
SALT = 'ae8k9h10'
class << self
def encrypt(text, key)
validate_presence(text: text, key: key)
cipher = build_cipher(:encrypt, key)
Base64.encode64(cipher.update(text) + cipher.final)
end
def decrypt(text, key, param_name = nil)
decrypt!(text, key, param_name)
rescue => e
text
end
def decrypt!(text, key, param_name = nil)
validate_presence(text: text, key: key)
cipher = build_cipher(:decrypt, key)
cipher.update(Base64.decode64(text)) + cipher.final
rescue OpenSSL::Cipher::CipherError => e
raise "Failed to decrypt '#{param_name}' parameter. error:'#{e.to_s}'"
end
private
def validate_presence(names)
names.each do |name, value|
raise ArgumentError.new("#{name} is required.") if value.nil? or value.empty?
end
end
def build_cipher(type, key)
cipher = OpenSSL::Cipher::Cipher.new('AES-128-CBC')
case type
when :encrypt
cipher.encrypt
when :decrypt
cipher.decrypt
else
raise "Invalid type: #{type}"
end
cipher.pkcs5_keyivgen(key, SALT)
cipher
end
end
end
end
end
Version data entries
22 entries across 22 versions & 1 rubygems