Improved structure and added basics for database module

src/sh_edraft/utils/__init__.py

@@ -21,6 +21,7 @@ from collections import namedtuple
 
 # imports:
 from .console import Console
+from .credential_manager import CredentialManager
 
 VersionInfo = namedtuple('VersionInfo', 'major minor micro')
 version_info = VersionInfo(major=2020, minor=12, micro=5)

src/sh_edraft/utils/credential_manager.py

@@ -0,0 +1,17 @@
+import base64
+
+
+class CredentialManager:
+
+    @staticmethod
+    def encrypt(string: str) -> str:
+        return base64.b64encode(string.encode('utf-8')).decode('utf-8')
+
+    @staticmethod
+    def decrypt(string: str) -> str:
+        return base64.b64decode(string).decode('utf-8')
+
+    @staticmethod
+    def build_string(string: str, credentials: str):
+        return string.replace('$credentials', CredentialManager.decrypt(credentials))
+