Move protocol modules into protocols package (#1254)

kasa/credentials.py

@@ -1,5 +1,8 @@
 """Credentials class for username / passwords."""
 
+from __future__ import annotations
+
+import base64
 from dataclasses import dataclass, field
 
 
@@ -11,3 +14,17 @@ class Credentials:
     username: str = field(default="", repr=False)
     #: Password of the cloud account
     password: str = field(default="", repr=False)
+
+
+def get_default_credentials(tuple: tuple[str, str]) -> Credentials:
+    """Return decoded default credentials."""
+    un = base64.b64decode(tuple[0].encode()).decode()
+    pw = base64.b64decode(tuple[1].encode()).decode()
+    return Credentials(un, pw)
+
+
+DEFAULT_CREDENTIALS = {
+    "KASA": ("a2FzYUB0cC1saW5rLm5ldA==", "a2FzYVNldHVw"),
+    "TAPO": ("dGVzdEB0cC1saW5rLm5ldA==", "dGVzdA=="),
+    "TAPOCAMERA": ("YWRtaW4=", "YWRtaW4="),
+}