ayun-hash 0.20.0

use argon2::{
    password_hash::{rand_core::OsRng, SaltString},
    Argon2, Params, PasswordHash, PasswordHasher, PasswordVerifier,
};
use ayun_core::{errors::ContainerError, traits::InstanceTrait, Container};

pub type Error = ayun_core::Error;

pub type Result<T, E = Error> = ayun_core::Result<T, E>;

pub struct Hash {
    inner: Argon2<'static>,
}

impl InstanceTrait for Hash {
    fn register(_: &Container) -> Result<Self, ContainerError>
    where
        Self: Sized,
    {
        let argon2 = Argon2::new(
            argon2::Algorithm::Argon2id,
            argon2::Version::V0x13,
            Params::default(),
        );

        Ok(Self::new(argon2))
    }
}

impl Hash {
    fn new(inner: Argon2<'static>) -> Self {
        Self { inner }
    }

    pub fn make(&self, value: &str) -> Result<String, Error> {
        let salt = SaltString::generate(&mut OsRng);

        Ok(self
            .inner
            .hash_password(value.as_bytes(), &salt)?
            .to_string())
    }

    pub fn check(&self, value: &str, hashed: &str) -> bool {
        let Ok(hashed) = PasswordHash::new(hashed) else {
            return false;
        };

        self.inner
            .verify_password(value.as_bytes(), &hashed)
            .is_ok()
    }
}