redaction.ts15 lines · main

1	const EMAIL_RE = /[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}/g;
2	const IPV4_RE = /\b(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)(?:\.(?:25[0-5]|2[0-4]\d|1\d\d|[1-9]?\d)){3}\b/g;
3
4	export function containsForbiddenContent(value: string): boolean {
5	EMAIL_RE.lastIndex = 0;
6	IPV4_RE.lastIndex = 0;
7	return EMAIL_RE.test(value) || IPV4_RE.test(value);
8	}
9
10	export function redactValue<T>(value: T): T {
11	if (typeof value !== 'string') return value;
12	return value
13	.replace(EMAIL_RE, '[REDACTED:email]')
14	.replace(IPV4_RE, '[REDACTED:ip]') as unknown as T;
15	}