Restructure

core/scripts/webpanel/session/__init__.py

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+from .session import SessionData, SessionStorage, SessionManager

core/scripts/webpanel/session/session.py

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+import secrets
+from datetime import datetime, timedelta, timezone
+from pydantic import BaseModel
+
+
+class SessionData(BaseModel):
+    '''Pydantic model for representing session data.'''
+    username: str
+    created_at: datetime
+    expires_at: datetime
+
+
+class SessionStorage:
+    '''Abstracts session storage (default: in-memory, can be replaced with Redis).'''
+
+    def __init__(self):
+        # The sessions are now stored as a dictionary with SessionData as values
+        self.sessions: dict[str, SessionData] = {}
+
+    def set(self, session_id: str, data: SessionData):
+        '''Store the session data with the session_id.'''
+        self.sessions[session_id] = data
+
+    def get(self, session_id: str) -> SessionData | None:
+        '''Retrieve session data by session_id.'''
+        return self.sessions.get(session_id)
+
+    def delete(self, session_id: str):
+        '''Delete a session from storage.'''
+        self.sessions.pop(session_id, None)
+
+
+class SessionManager:
+    '''Manages user authentication with session storage.'''
+
+    def __init__(self, storage: SessionStorage, expiration_minutes: int = 60):
+        self.storage = storage
+        self.expiration = timedelta(minutes=expiration_minutes)
+
+    def set_session(self, username: str) -> str:
+        '''Generates a session ID and stores user data in the session.'''
+        session_id = secrets.token_hex(32)
+        session_data = SessionData(username=username, created_at=datetime.now(timezone.utc), expires_at=datetime.now(timezone.utc) + self.expiration)
+
+        self.storage.set(session_id, session_data)
+
+        return session_id
+
+    def get_session(self, session_id: str) -> SessionData | None:
+        '''Retrieves and validates a session. Raises HTTPException if the session is invalid or expired.'''
+        return self.storage.get(session_id)
+
+    def revoke_session(self, session_id: str):
+        '''Removes session from storage.'''
+        self.storage.delete(session_id)