Class: DaffyLib::KeyManagementService

Inherits:
Object
  • Object
show all
Defined in:
lib/daffy_lib/services/key_management_service.rb

Defined Under Namespace

Classes: InvalidParameterException, KeyCreateException, KeyGenerationException, KeyManagementServiceException, KeyRetrieveException

Constant Summary collapse

KEY_MANAGEMENT_SERVICE_CACHE_NAMESPACE = 
:key_management_service
KEY_VERSION = 
'KeyManagementService::V1'
RECORD_NOT_UNIQUE_REGEX = 
/has already been taken/.freeze

Class Method Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(partition_guid, expires_in, cmk_key_id) ⇒ KeyManagementService

Returns a new instance of KeyManagementService.

Raises:



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# File 'lib/daffy_lib/services/key_management_service.rb', line 17

def initialize(partition_guid, expires_in, cmk_key_id)
  raise InvalidParameterException unless partition_guid.present? && expires_in.present? && cmk_key_id.present?

  @partition_guid = partition_guid
  @expires_in = expires_in
  @cmk_key_id = cmk_key_id
end

Class Method Details

.encryption_key_epoch(datetime) ⇒ Object 



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# File 'lib/daffy_lib/services/key_management_service.rb', line 25

def self.encryption_key_epoch(datetime)
  datetime.utc.beginning_of_year
end

Instance Method Details

#find_or_create_encryption_key(encryption_epoch) ⇒ Object 



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# File 'lib/daffy_lib/services/key_management_service.rb', line 29

def find_or_create_encryption_key(encryption_epoch)
  find(encryption_epoch) || create(encryption_epoch)
end

#retrieve_plaintext_key(encryption_key) ⇒ Object

Raises:



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# File 'lib/daffy_lib/services/key_management_service.rb', line 33

def retrieve_plaintext_key(encryption_key)
  raise InvalidParameterException unless encryption_key.present?

  read_plaintext_key(encryption_key) || decrypt_encryption_key(encryption_key)
end