Sha256: 44aec5d865fdb3c0f01e10c83e1499c8defeea71df87d415c4e7d6968411f4bf
Contents?: true
Size: 1.39 KB
Versions: 11
Compression:
Stored size: 1.39 KB
Contents
# TODO that file isn't refactored yet!
module Pubnub
class Crypto
def initialize(cipher_key)
$logger.debug('Pubnub'){'Initializing Crypto'}
@alg = 'AES-256-CBC'
sha256_key = Digest::SHA256.hexdigest(cipher_key)
@key = sha256_key.slice(0,32)
@iv = '0123456789012345'
$logger.debug('Pubnub'){'Initialized Crypto'}
end
def encrypt(message)
aes = OpenSSL::Cipher::Cipher.new(@alg)
aes.encrypt
aes.key = @key
aes.iv = @iv
json_message = message.to_json
cipher = aes.update(json_message)
cipher << aes.final
Base64.strict_encode64(cipher)
end
def decrypt(cipher_text)
$logger.debug('Pubnub'){"Decrypting: #{cipher_text}"}
decode_cipher = OpenSSL::Cipher::Cipher.new(@alg)
decode_cipher.decrypt
decode_cipher.key = @key
decode_cipher.iv = @iv
plain_text = ''
begin
undecoded_text = Base64.decode64(cipher_text)
plain_text = decode_cipher.update(undecoded_text)
plain_text << decode_cipher.final
rescue => e
$logger.error('Pubnub'){'DECRYPTION ERROR'}
plain_text = '"DECRYPTION ERROR"'
end
begin
JSON.load(plain_text)
rescue JSON::ParserError
JSON.load("[#{plain_text}]")[0] # srsly ruby? srsly?
end
$logger.debug('Pubnub'){'Finished decrypting'}
plain_text
end
end
end
Version data entries
11 entries across 11 versions & 1 rubygems