LengthGuard

LengthGuard enforces input length limits to prevent resource exhaustion and token limit attacks.

Overview

Property	Value
Latency	<1μs
Memory	0.5 KB
Async	No
ML Required	No

Usage

Rust

use oxide_guard::{Guard, LengthGuard};

let guard = LengthGuard::new("length")
    .with_max_chars(10000)
    .with_max_tokens(4000)
    .with_min_chars(1);

let result = guard.check(user_input);

Python

from oxideshield import length_guard

guard = length_guard(max_chars=10000, max_tokens=4000)
result = guard.check(user_input)

Configuration

Parameter	Type	Default	Description
max_chars	usize	100000	Maximum characters
max_tokens	usize	None	Maximum tokens (tiktoken)
min_chars	usize	0	Minimum characters
max_words	usize	None	Maximum words

guards:
  length:
    enabled: true
    max_chars: 10000
    max_tokens: 4000