feat: add subsystem saving credentials and remove comment of type hinting

src/crewai/cli/authentication/utils.py

@@ -1,6 +1,8 @@
 import json
 import os
+import sys
 from datetime import datetime, timedelta
+from pathlib import Path
 from typing import Optional
 
 from auth0.authentication.token_verifier import (
@@ -34,14 +36,14 @@ class TokenManager:
         self.fernet = Fernet(self.key)
 
     def _get_or_create_key(self):
-        key_file = "secret.key"
-        if os.path.exists(key_file):
-            return open(key_file, "rb").read()
+        key_filename = "secret.key"
+
+        if self.read_secure_file(key_filename):
+            key = self.read_secure_file(key_filename)
         else:
             key = Fernet.generate_key()
-            with open(key_file, "wb") as key_file:
-                key_file.write(key)
-            return key
+            self.save_secure_file(key_filename, key)
+        return key
 
     def save_tokens(self, access_token, expires_in):
         expiration_time = datetime.now() + timedelta(seconds=expires_in)
@@ -50,15 +52,10 @@ class TokenManager:
             "expiration": expiration_time.isoformat(),
         }
         encrypted_data = self.fernet.encrypt(json.dumps(data).encode())
-        with open(self.file_path, "wb") as file:
-            file.write(encrypted_data)
+        self.save_secure_file(self.file_path, encrypted_data)
 
     def get_token(self) -> Optional[str]:
-        if not os.path.exists(self.file_path):
-            return None
-
-        with open(self.file_path, "rb") as file:
-            encrypted_data = file.read()
+        encrypted_data = self.read_secure_file(self.file_path)
 
         decrypted_data = self.fernet.decrypt(encrypted_data)
         data = json.loads(decrypted_data)
@@ -68,3 +65,41 @@ class TokenManager:
             return None
 
         return data["access_token"]
+
+    def get_secure_storage_path(self):
+        if sys.platform == "win32":
+            # Windows: Use %LOCALAPPDATA%
+            base_path = os.environ.get("LOCALAPPDATA")
+        elif sys.platform == "darwin":
+            # macOS: Use ~/Library/Application Support
+            base_path = os.path.expanduser("~/Library/Application Support")
+        else:
+            # Linux and other Unix-like: Use ~/.local/share
+            base_path = os.path.expanduser("~/.local/share")
+
+        app_name = "crewai/credentials"
+        storage_path = Path(base_path) / app_name
+
+        storage_path.mkdir(parents=True, exist_ok=True)
+
+        return storage_path
+
+    def save_secure_file(self, filename, content):
+        storage_path = self.get_secure_storage_path()
+        file_path = storage_path / filename
+
+        with open(file_path, "wb") as f:
+            f.write(content)
+
+        # Set appropriate permissions (read/write for owner only)
+        os.chmod(file_path, 0o600)
+
+    def read_secure_file(self, filename):
+        storage_path = self.get_secure_storage_path()
+        file_path = storage_path / filename
+
+        if not file_path.exists():
+            return None
+
+        with open(file_path, "rb") as f:
+            return f.read()

src/crewai/memory/memory.py

@@ -21,7 +21,7 @@ class Memory:
         if agent:
             metadata["agent"] = agent
 
-        self.storage.save(value, metadata)  # type: ignore # Maybe BUG? Should be self.storage.save(key, value, metadata)
+        self.storage.save(value, metadata)
 
     def search(self, query: str) -> Dict[str, Any]:
         return self.storage.search(query)