gitlab-org--gitlab-foss/lib/gitlab/database/sha256_attribute.rb

33 lines
1,021 B
Ruby

# frozen_string_literal: true
module Gitlab
module Database
# Class for casting binary data to hexadecimal SHA256 hashes (and vice-versa).
#
# Using Sha256Attribute allows you to store SHA256 values as binary while still
# using them as if they were stored as string values. This gives you the
# ease of use of string values, but without the storage overhead.
class Sha256Attribute < ActiveRecord::ConnectionAdapters::PostgreSQL::OID::Bytea
# Casts binary data to a SHA256 and remove trailing = and newline from encode64
def deserialize(value)
value = super(value)
if value.present?
Base64.encode64(value).delete("=").chomp("\n")
else
nil
end
end
# Casts a SHA256 in a proper binary format. which is 32 bytes long
def serialize(value)
arg = if value.present?
Base64.decode64(value)
else
nil
end
super(arg)
end
end
end
end