backend/src/hash.rs

   1 use std::{string::String};
   2
   3 use argon2::{
   4     password_hash::{
   5         rand_core::OsRng,
   6         PasswordHash, PasswordHasher, PasswordVerifier, SaltString
   7     },
   8     Argon2
   9 };
  10
  11 pub fn hash(password: &str) -> Result<String, Box<dyn std::error::Error>> {
  12     let salt = SaltString::generate(&mut OsRng);
  13     let argon2 = Argon2::default();
  14     argon2.hash_password(password.as_bytes(), &salt).map(|h| h.to_string()).map_err(|e| e.into())
  15 }
  16
  17 pub fn verify_password(password: &str, hashed_password: &str) -> Result<bool, Box<dyn std::error::Error>> {
  18     let argon2 = Argon2::default();
  19     let parsed_hash = PasswordHash::new(hashed_password)?;
  20     Ok(argon2.verify_password(password.as_bytes(), &parsed_hash).is_ok())
  21 }
  22
  23 #[cfg(test)]
  24 mod test {
  25     use super::*;
  26
  27     #[test]
  28     fn simple_case() -> Result<(), Box<dyn std::error::Error>> {
  29         let password = "12345";
  30         let hash = hash(password)?;
  31         println!("hash: {}", &hash);
  32         assert!(verify_password(password, &hash)?);
  33         assert!(!verify_password("54321", &hash)?);
  34         Ok(())
  35     }
  36
  37     #[test]
  38     fn password_with_special_characters() -> Result<(), Box<dyn std::error::Error>> {
  39         let password = "éà ä_\\😺🎮🇨🇭";
  40         let hash = hash(password)?;
  41         println!("hash: {}", &hash);
  42         assert!(verify_password(password, &hash)?);
  43         Ok(())
  44     }
  45 }