Authenticatoin Implementation

utils/auth.py

@@ -0,0 +1,33 @@
+"""Authentication utilities and dependencies."""
+import jwt
+from fastapi import Request, HTTPException
+import config as config_module
+
+
+def get_current_user(request: Request) -> dict:
+    """Dependency to check authentication and return user info"""
+    token = request.cookies.get("auth_token")
+
+    if not token:
+        raise HTTPException(status_code=401, detail="Not authenticated")
+
+    try:
+        payload = jwt.decode(token, config_module.JWT_SECRET, algorithms=["HS256"])
+        return payload
+    except jwt.ExpiredSignatureError:
+        raise HTTPException(status_code=401, detail="Token expired")
+    except jwt.InvalidTokenError:
+        raise HTTPException(status_code=401, detail="Invalid token")
+
+
+def check_auth(request: Request) -> bool:
+    """Check if user is authenticated (returns bool, doesn't raise exception)"""
+    token = request.cookies.get("auth_token")
+    if not token:
+        return False
+
+    try:
+        jwt.decode(token, config_module.JWT_SECRET, algorithms=["HS256"])
+        return True
+    except (jwt.ExpiredSignatureError, jwt.InvalidTokenError):
+        return False