pocket-relay 0.2.0

Pocket Relay Server
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//! Hashing utility for hashing and verifying passwords

use argon2::{
    password_hash::{self, rand_core::OsRng, PasswordVerifier, SaltString},
    Argon2, PasswordHash, PasswordHasher,
};

/// Hashes the provided password using the Argon2 algorithm returning
/// the generated hash in string form.
///
/// `password` The password to hash
pub fn hash_password(password: &str) -> password_hash::Result<String> {
    let salt = SaltString::generate(&mut OsRng);
    let argon2 = Argon2::default();
    let password_hash = argon2.hash_password(password.as_bytes(), &salt)?;
    let value = format!("{}", password_hash);
    Ok(value)
}

/// Verifies the hash of the provided password checking that
/// it matches the provided hash
///
/// `password` The plain text password
/// `hash`     The hashed password
pub fn verify_password(password: &str, hash: &str) -> bool {
    let hash = match PasswordHash::new(hash) {
        Ok(value) => value,
        _ => return false,
    };
    let argon2 = Argon2::default();
    argon2.verify_password(password.as_bytes(), &hash).is_ok()
}

#[cfg(test)]
mod test {
    use crate::utils::random::generate_random_string;

    use super::{hash_password, verify_password};

    /// Tests that password hashing works correctly
    #[test]
    fn test_password_hashing() {
        let value = generate_random_string(50);
        let hash = hash_password(&value).unwrap();
        let valid = verify_password(&value, &hash);
        assert_eq!(valid, true)
    }
}