Sha256: ebf00980a8c4e9537d29247f28c5463bd9f46f668e1875b235e53f6d17646161
Contents?: true
Size: 1001 Bytes
Versions: 6
Compression:
Stored size: 1001 Bytes
Contents
require 'crypt_keeper_providers/postgres_pgp/log_subscriber'
module CryptKeeperProviders
class PostgresPgp
attr_accessor :key
# Public: Initializes the encryptor
#
# options - A hash, :key is required
def initialize(options = {})
@key = options.fetch(:key) do
raise ArgumentError, "Missing :key"
end
end
# Public: Encrypts a string
#
# Returns an encrypted string
def encrypt(value)
escape_and_execute_sql(["SELECT pgp_sym_encrypt(?, ?)", value, key])['pgp_sym_encrypt']
end
# Public: Decrypts a string
#
# Returns a plaintext string
def decrypt(value)
escape_and_execute_sql(["SELECT pgp_sym_decrypt(?, ?)", value, key])['pgp_sym_decrypt']
end
private
# Private: Sanitize an sql query and then execute it
def escape_and_execute_sql(query)
query = ::ActiveRecord::Base.send :sanitize_sql_array, query
::ActiveRecord::Base.connection.execute(query).first
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems