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// Copyright (C) 2018-2019 Robin Krahl <robin.krahl@ireas.org>
// SPDX-License-Identifier: MIT
use nitrokey_sys;
use crate::device::{Device, Model};
use crate::otp::GenerateOtp;
/// A Nitrokey Pro device without user or admin authentication.
///
/// Use the [`connect`][] method to obtain an instance wrapper or the [`connect_pro`] method to
/// directly obtain an instance. If you want to execute a command that requires user or admin
/// authentication, use [`authenticate_admin`][] or [`authenticate_user`][].
///
/// # Examples
///
/// Authentication with error handling:
///
/// ```no_run
/// use nitrokey::{Authenticate, User, Pro};
/// # use nitrokey::Error;
///
/// fn perform_user_task<'a>(device: &User<'a, Pro<'a>>) {}
/// fn perform_other_task(device: &Pro) {}
///
/// # fn try_main() -> Result<(), Error> {
/// let mut manager = nitrokey::take()?;
/// let device = manager.connect_pro()?;
/// let device = match device.authenticate_user("123456") {
/// Ok(user) => {
/// perform_user_task(&user);
/// user.device()
/// },
/// Err((device, err)) => {
/// eprintln!("Could not authenticate as user: {}", err);
/// device
/// },
/// };
/// perform_other_task(&device);
/// # Ok(())
/// # }
/// ```
///
/// [`authenticate_admin`]: trait.Authenticate.html#method.authenticate_admin
/// [`authenticate_user`]: trait.Authenticate.html#method.authenticate_user
/// [`connect`]: struct.Manager.html#method.connect
/// [`connect_pro`]: struct.Manager.html#method.connect_pro
#[derive(Debug)]
pub struct Pro<'a> {
manager: Option<&'a mut crate::Manager>,
}
impl<'a> Pro<'a> {
pub(crate) fn new(manager: &'a mut crate::Manager) -> Pro<'a> {
Pro {
manager: Some(manager),
}
}
}
impl<'a> Drop for Pro<'a> {
fn drop(&mut self) {
unsafe {
nitrokey_sys::NK_logout();
}
}
}
impl<'a> Device<'a> for Pro<'a> {
fn into_manager(mut self) -> &'a mut crate::Manager {
self.manager.take().unwrap()
}
fn get_model(&self) -> Model {
Model::Pro
}
}
impl<'a> GenerateOtp for Pro<'a> {}
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