wacl 0.1.2

Access Control List and authentication with SHA-256 password hashing
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//! 口令认证设置（对标 libs/server/Auth/Settings/PasswordAuthenticationSettings.cs）

use super::authentication_settings::{AuthSetup, IAuthenticationSettings};
use crate::{
  AclError,
  auth::{GarnetAuthenticator, GarnetPasswordAuthenticator},
};

/// 口令认证设置
pub struct PasswordAuthenticationSettings {
  /// 口令（ASCII 字节）
  pwd: Box<[u8]>,
}

impl PasswordAuthenticationSettings {
  /// 构造（空口令即报错，对标 C# 构造异常 "Password cannot be null."）
  pub fn new(pwd: &str) -> Result<Self, AclError> {
    if pwd.is_empty() {
      return Err(AclError::Acl("Password cannot be null.".into()));
    }
    Ok(Self {
      pwd: pwd.as_bytes().to_vec().into(),
    })
  }
}

impl IAuthenticationSettings for PasswordAuthenticationSettings {
  /// 创建口令认证器
  ///
  /// libs/server/Auth/Settings/PasswordAuthenticationSettings.cs:CreateAuthenticator
  fn create_authenticator(&self, _setup: &AuthSetup) -> Result<GarnetAuthenticator, AclError> {
    Ok(GarnetAuthenticator::Password(
      GarnetPasswordAuthenticator::new(self.pwd.clone()),
    ))
  }
}