Revize f62119d4

Re #8472 - Implemented KeyService

src/services/key_service.py

@@ +1 @@
+from src.dao.private_key_repository import PrivateKeyRepository
+from src.model.private_key import PrivateKey
+from src.services.cryptography import CryptographyService
+
+
+class KeyService:
+
+    def __init__(self, cryptography_service: CryptographyService, private_key_repository: PrivateKeyRepository):
+        self.cryptography_service = cryptography_service
+        self.private_key_repository = private_key_repository
+
+    def create_new_key(self, passphrase=""):
+        # generate a new private key
+        private_key_pem = self.cryptography_service.create_private_key(passphrase)
+
+        # store generated PK and the passphrase in a wrapper
+        private_key = PrivateKey(-1, private_key_pem, passphrase)
+
+        # store the wrapper in the PK repository
+        private_key_id = self.private_key_repository.create(private_key)
+
+        # assign the generated ID to the wrapper
+        private_key.private_key_id = private_key_id
+
+        return private_key
+
+    def get_key(self, unique_id):
+        return self.private_key_repository.read(unique_id)
+
+    def get_keys(self, unique_ids):
+        return [self.private_key_repository.read(identifier) for identifier in unique_ids]
+
+    def delete_key(self, unique_id):
+        return self.private_key_repository.delete(unique_id)