Common: Add Credentials.from_json_array()

monkey/common/credentials/credentials.py

@@ -1,5 +1,6 @@
 from __future__ import annotations
 
+import json
 from dataclasses import dataclass
 from typing import Any, Mapping, MutableMapping, Sequence, Tuple
 
@@ -142,3 +143,8 @@ class Credentials:
     @staticmethod
     def to_json(credentials: Credentials) -> str:
         return CredentialsSchema().dumps(credentials)
+
+    @staticmethod
+    def from_json_array(credentials_array_json: str) -> Sequence[Credentials]:
+        credentials_list = json.loads(credentials_array_json)
+        return [Credentials.from_mapping(c) for c in credentials_list]

monkey/tests/unit_tests/common/credentials/test_credentials.py

@@ -87,3 +87,22 @@ def test_credentials_deserialization__invalid_component():
     }
     with pytest.raises(InvalidCredentialComponentError):
         Credentials.from_mapping(invalid_data)
+
+
+def test_from_json_array():
+    deserialized_credentials_0 = Credentials.from_mapping(CREDENTIALS_DICT)
+    deserialized_credentials_1 = Credentials(
+        secrets=(Password(PASSWORD),), identities=(Username("STUPID"),)
+    )
+    deserialized_credentials_2 = Credentials(secrets=(LMHash(LM_HASH),), identities=tuple())
+    credentials_array_json = (
+        f"[{Credentials.to_json(deserialized_credentials_0)},"
+        f"{Credentials.to_json(deserialized_credentials_1)},"
+        f"{Credentials.to_json(deserialized_credentials_2)}]"
+    )
+
+    credentials_sequence = Credentials.from_json_array(credentials_array_json)
+    assert len(credentials_sequence) == 3
+    assert credentials_sequence[0] == deserialized_credentials_0
+    assert credentials_sequence[1] == deserialized_credentials_1
+    assert credentials_sequence[2] == deserialized_credentials_2