refactor(logging): switch to parameterized logging for improved performance and clarity

- Replaced f-strings with parameterized logging calls across routes, services, and repositories to optimize log message evaluation.
- Improved exception handling by using `logger.exception` where appropriate for automatic traceback logging.
This commit is contained in:
2026-03-01 13:38:15 +01:00
parent 57e969ed67
commit 0553a1fc53
24 changed files with 375 additions and 319 deletions

View File

@@ -94,14 +94,15 @@ async def _create_login_session(
await session_service.create_session(db, obj_in=session_data)
logger.info(
f"{login_type.capitalize()} successful: {user.email} from {device_info.device_name} "
f"(IP: {device_info.ip_address})"
"%s successful: %s from %s (IP: %s)",
login_type.capitalize(),
user.email,
device_info.device_name,
device_info.ip_address,
)
except Exception as session_err:
# Log but don't fail login if session creation fails
logger.error(
f"Failed to create session for {user.email}: {session_err!s}", exc_info=True
)
logger.exception("Failed to create session for %s: %s", user.email, session_err)
@router.post(
@@ -125,19 +126,19 @@ async def register_user(
return user
except DuplicateError:
# SECURITY: Don't reveal if email exists - generic error message
logger.warning(f"Registration failed: duplicate email {user_data.email}")
logger.warning("Registration failed: duplicate email %s", user_data.email)
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail="Registration failed. Please check your information and try again.",
)
except AuthError as e:
logger.warning(f"Registration failed: {e!s}")
logger.warning("Registration failed: %s", e)
raise HTTPException(
status_code=status.HTTP_400_BAD_REQUEST,
detail="Registration failed. Please check your information and try again.",
)
except Exception as e:
logger.error(f"Unexpected error during registration: {e!s}", exc_info=True)
logger.exception("Unexpected error during registration: %s", e)
raise DatabaseError(
message="An unexpected error occurred. Please try again later.",
error_code=ErrorCode.INTERNAL_ERROR,
@@ -165,7 +166,7 @@ async def login(
# Explicitly check for None result and raise correct exception
if user is None:
logger.warning(f"Invalid login attempt for: {login_data.email}")
logger.warning("Invalid login attempt for: %s", login_data.email)
raise AuthError(
message="Invalid email or password",
error_code=ErrorCode.INVALID_CREDENTIALS,
@@ -181,11 +182,11 @@ async def login(
except AuthenticationError as e:
# Handle specific authentication errors like inactive accounts
logger.warning(f"Authentication failed: {e!s}")
logger.warning("Authentication failed: %s", e)
raise AuthError(message=str(e), error_code=ErrorCode.INVALID_CREDENTIALS)
except Exception as e:
# Handle unexpected errors
logger.error(f"Unexpected error during login: {e!s}", exc_info=True)
logger.exception("Unexpected error during login: %s", e)
raise DatabaseError(
message="An unexpected error occurred. Please try again later.",
error_code=ErrorCode.INTERNAL_ERROR,
@@ -227,10 +228,10 @@ async def login_oauth(
# Return full token response with user data
return tokens
except AuthenticationError as e:
logger.warning(f"OAuth authentication failed: {e!s}")
logger.warning("OAuth authentication failed: %s", e)
raise AuthError(message=str(e), error_code=ErrorCode.INVALID_CREDENTIALS)
except Exception as e:
logger.error(f"Unexpected error during OAuth login: {e!s}", exc_info=True)
logger.exception("Unexpected error during OAuth login: %s", e)
raise DatabaseError(
message="An unexpected error occurred. Please try again later.",
error_code=ErrorCode.INTERNAL_ERROR,
@@ -263,7 +264,8 @@ async def refresh_token(
if not session:
logger.warning(
f"Refresh token used for inactive or non-existent session: {refresh_payload.jti}"
"Refresh token used for inactive or non-existent session: %s",
refresh_payload.jti,
)
raise HTTPException(
status_code=status.HTTP_401_UNAUTHORIZED,
@@ -286,9 +288,7 @@ async def refresh_token(
new_expires_at=datetime.fromtimestamp(new_refresh_payload.exp, tz=UTC),
)
except Exception as session_err:
logger.error(
f"Failed to update session {session.id}: {session_err!s}", exc_info=True
)
logger.exception("Failed to update session %s: %s", session.id, session_err)
# Continue anyway - tokens are already issued
return tokens
@@ -311,7 +311,7 @@ async def refresh_token(
# Re-raise HTTP exceptions (like session revoked)
raise
except Exception as e:
logger.error(f"Unexpected error during token refresh: {e!s}")
logger.error("Unexpected error during token refresh: %s", e)
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
detail="An unexpected error occurred. Please try again later.",
@@ -358,11 +358,12 @@ async def request_password_reset(
await email_service.send_password_reset_email(
to_email=user.email, reset_token=reset_token, user_name=user.first_name
)
logger.info(f"Password reset requested for {user.email}")
logger.info("Password reset requested for %s", user.email)
else:
# Log attempt but don't reveal if email exists
logger.warning(
f"Password reset requested for non-existent or inactive email: {reset_request.email}"
"Password reset requested for non-existent or inactive email: %s",
reset_request.email,
)
# Always return success to prevent email enumeration
@@ -371,7 +372,7 @@ async def request_password_reset(
message="If your email is registered, you will receive a password reset link shortly",
)
except Exception as e:
logger.error(f"Error processing password reset request: {e!s}", exc_info=True)
logger.exception("Error processing password reset request: %s", e)
# Still return success to prevent information leakage
return MessageResponse(
success=True,
@@ -432,12 +433,14 @@ async def confirm_password_reset(
db, user_id=str(user.id)
)
logger.info(
f"Password reset successful for {user.email}, invalidated {deactivated_count} sessions"
"Password reset successful for %s, invalidated %s sessions",
user.email,
deactivated_count,
)
except Exception as session_error:
# Log but don't fail password reset if session invalidation fails
logger.error(
f"Failed to invalidate sessions after password reset: {session_error!s}"
"Failed to invalidate sessions after password reset: %s", session_error
)
return MessageResponse(
@@ -448,7 +451,7 @@ async def confirm_password_reset(
except HTTPException:
raise
except Exception as e:
logger.error(f"Error confirming password reset: {e!s}", exc_info=True)
logger.exception("Error confirming password reset: %s", e)
await db.rollback()
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,
@@ -498,7 +501,7 @@ async def logout(
)
except (TokenExpiredError, TokenInvalidError) as e:
# Even if token is expired/invalid, try to deactivate session
logger.warning(f"Logout with invalid/expired token: {e!s}")
logger.warning("Logout with invalid/expired token: %s", e)
# Don't fail - return success anyway
return MessageResponse(success=True, message="Logged out successfully")
@@ -509,8 +512,10 @@ async def logout(
# Verify session belongs to current user (security check)
if str(session.user_id) != str(current_user.id):
logger.warning(
f"User {current_user.id} attempted to logout session {session.id} "
f"belonging to user {session.user_id}"
"User %s attempted to logout session %s belonging to user %s",
current_user.id,
session.id,
session.user_id,
)
raise HTTPException(
status_code=status.HTTP_403_FORBIDDEN,
@@ -521,14 +526,17 @@ async def logout(
await session_service.deactivate(db, session_id=str(session.id))
logger.info(
f"User {current_user.id} logged out from {session.device_name} "
f"(session {session.id})"
"User %s logged out from %s (session %s)",
current_user.id,
session.device_name,
session.id,
)
else:
# Session not found - maybe already deleted or never existed
# Return success anyway (idempotent)
logger.info(
f"Logout requested for non-existent session (JTI: {refresh_payload.jti})"
"Logout requested for non-existent session (JTI: %s)",
refresh_payload.jti,
)
return MessageResponse(success=True, message="Logged out successfully")
@@ -536,9 +544,7 @@ async def logout(
except HTTPException:
raise
except Exception as e:
logger.error(
f"Error during logout for user {current_user.id}: {e!s}", exc_info=True
)
logger.exception("Error during logout for user %s: %s", current_user.id, e)
# Don't expose error details
return MessageResponse(success=True, message="Logged out successfully")
@@ -581,7 +587,7 @@ async def logout_all(
)
logger.info(
f"User {current_user.id} logged out from all devices ({count} sessions)"
"User %s logged out from all devices (%s sessions)", current_user.id, count
)
return MessageResponse(
@@ -590,9 +596,7 @@ async def logout_all(
)
except Exception as e:
logger.error(
f"Error during logout-all for user {current_user.id}: {e!s}", exc_info=True
)
logger.exception("Error during logout-all for user %s: %s", current_user.id, e)
await db.rollback()
raise HTTPException(
status_code=status.HTTP_500_INTERNAL_SERVER_ERROR,