Sha256: a1bc820592977d9d42a8ccdeb1b1ad25e8f24b02d28118a046571afe1958be2f
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Versions: 6
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Stored size: 1.76 KB
Contents
module AttrVault
class Key
attr_reader :id, :value
def initialize(id, value)
if value.nil? || value.empty?
raise InvalidKey, "key value required"
end
begin
id = Integer(id)
rescue
raise InvalidKey, "key id must be an integer"
end
@id = id
@value = value
end
def digest(data)
AttrVault::Encryption::hmac_digest(value, data)
end
def to_json(*args)
{ id: id, value: value }.to_json
end
end
class Keyring
attr_reader :keys
def self.load(keyring_data)
keyring = Keyring.new
begin
candidate_keys = JSON.parse(keyring_data, symbolize_names: true)
if candidate_keys.is_a?(Hash)
candidate_keys.each do |key_id, key|
keyring.add_key(Key.new(key_id.to_s, key))
end
else
raise InvalidKeyring, "Invalid JSON structure"
end
rescue StandardError => e
raise InvalidKeyring, e.message
end
keyring
end
def initialize
@keys = []
end
def add_key(k)
@keys << k
end
def drop_key(id_or_key)
id = if id_or_key.is_a? Key
id_or_key.id
else
id_or_key
end
@keys.reject! { |k| k.id == id }
end
def fetch(id)
@keys.find { |k| k.id == id } or raise UnknownKey, id
end
def has_key?(id)
!@keys.find { |k| k.id == id }.nil?
end
def current_key
k = @keys.sort_by(&:id).last
if k.nil?
raise KeyringEmpty, "No keys in keyring"
end
k
end
def digests(data)
keys.map { |k| k.digest(data) }
end
def to_json
@keys.each_with_object({}) do |k,obj|
obj[k.id] = k.value
end.to_json
end
end
end
Version data entries
6 entries across 6 versions & 1 rubygems