1use rand::{distributions::Uniform, prelude::Distribution, Rng};
2
3const ALLOWED_CHARS: &str = "abcdefghijklmnopqrstuvwxyz0123456789";
4
5pub fn random_string() -> String {
6 let range = Uniform::new(0, ALLOWED_CHARS.len());
7 let mut rng = rand::thread_rng();
8
9 range
10 .sample_iter(&mut rng)
11 .take(14)
12 .map(|i| ALLOWED_CHARS.chars().nth(i).expect("Index is always valid"))
13 .collect()
14}
15
16pub fn random_token() -> String {
17 let mut token = [0u8; 32];
18 rand::thread_rng().fill(&mut token);
19 data_encoding::BASE64URL_NOPAD.encode(&token)
20}
21
22pub fn random_prefixed_string(prefix: &str) -> String {
23 format!("{}-{}", prefix, random_string())
24}