init

app/core/security.py

@@ -0,0 +1,22 @@
+from datetime import datetime, timedelta, timezone
+
+from jose import JWTError, jwt
+
+from app.core.config import get_settings
+
+
+def create_access_token(subject: str) -> str:
+    settings = get_settings()
+    expire = datetime.now(timezone.utc) + timedelta(minutes=settings.jwt_expire_minutes)
+    payload = {"sub": subject, "exp": expire}
+    return jwt.encode(payload, settings.jwt_secret, algorithm=settings.jwt_algorithm)
+
+
+def decode_access_token(token: str) -> str | None:
+    settings = get_settings()
+    try:
+        payload = jwt.decode(token, settings.jwt_secret, algorithms=[settings.jwt_algorithm])
+    except JWTError:
+        return None
+    subject = payload.get("sub")
+    return str(subject) if subject is not None else None