Files
AstralRinth/theseus/src/api/auth.rs
Wyatt Verchere ac6ad0ef2e mac download (#77)
* mac download

* clippy
2023-04-11 07:15:37 -07:00

139 lines
4.5 KiB
Rust

//! Authentication flow interface
use crate::{launcher::auth as inner, State};
use futures::prelude::*;
use tokio::sync::oneshot;
pub use inner::Credentials;
/// Authenticate a user with Hydra - part 1
/// This begins the authentication flow quasi-synchronously, returning a URL
/// This can be used in conjunction with 'authenticate_await_complete_flow'
/// to call authenticate and call the flow from the frontend.
/// Visit the URL in a browser, then call and await 'authenticate_await_complete_flow'.
pub async fn authenticate_begin_flow() -> crate::Result<url::Url> {
let st = State::get().await?.clone();
let url = st.auth_flow.write().await.begin_auth().await?;
Ok(url)
}
/// Authenticate a user with Hydra - part 2
/// This completes the authentication flow quasi-synchronously, returning the credentials
/// This can be used in conjunction with 'authenticate_begin_flow'
/// to call authenticate and call the flow from the frontend.
pub async fn authenticate_await_complete_flow() -> crate::Result<Credentials> {
let st = State::get().await?.clone();
let credentials =
st.auth_flow.write().await.await_auth_completion().await?;
Ok(credentials)
}
/// Authenticate a user with Hydra
/// To run this, you need to first spawn this function as a task, then
/// open a browser to the given URL and finally wait on the spawned future
/// with the ability to cancel in case the browser is closed before finishing
#[tracing::instrument]
pub async fn authenticate(
browser_url: oneshot::Sender<url::Url>,
) -> crate::Result<Credentials> {
let mut flow = inner::HydraAuthFlow::new().await?;
let state = State::get().await?;
let mut users = state.users.write().await;
let url = flow.prepare_login_url().await?;
browser_url.send(url).map_err(|url| {
crate::ErrorKind::OtherError(format!(
"Error sending browser url to parent: {url}"
))
})?;
let credentials = flow.extract_credentials().await?;
users.insert(&credentials)?;
if state.settings.read().await.default_user.is_none() {
let mut settings = state.settings.write().await;
settings.default_user = Some(credentials.id);
}
Ok(credentials)
}
/// Refresh some credentials using Hydra, if needed
/// This is the primary desired way to get credentials, as it will also refresh them.
#[tracing::instrument]
pub async fn refresh(
user: uuid::Uuid,
update_name: bool,
) -> crate::Result<Credentials> {
let state = State::get().await?;
let mut users = state.users.write().await;
futures::future::ready(users.get(user)?.ok_or_else(|| {
crate::ErrorKind::OtherError(format!(
"Tried to refresh nonexistent user with ID {user}"
))
.as_error()
}))
.and_then(|mut credentials| async move {
if chrono::offset::Utc::now() > credentials.expires {
inner::refresh_credentials(&mut credentials).await?;
if update_name {
inner::refresh_username(&mut credentials).await?;
}
}
users.insert(&credentials)?;
Ok(credentials)
})
.await
}
/// Remove a user account from the database
#[tracing::instrument]
pub async fn remove_user(user: uuid::Uuid) -> crate::Result<()> {
let state = State::get().await?;
let mut users = state.users.write().await;
if state.settings.read().await.default_user == Some(user) {
let mut settings = state.settings.write().await;
settings.default_user = users
.0
.first()?
.map(|it| uuid::Uuid::from_slice(&it.0))
.transpose()?;
}
users.remove(user)?;
Ok(())
}
/// Check if a user exists in Theseus
#[tracing::instrument]
pub async fn has_user(user: uuid::Uuid) -> crate::Result<bool> {
let state = State::get().await?;
let users = state.users.read().await;
users.contains(user)
}
/// Get a copy of the list of all user credentials
#[tracing::instrument]
pub async fn users() -> crate::Result<Box<[Credentials]>> {
let state = State::get().await?;
let users = state.users.read().await;
users.iter().collect()
}
/// Get a specific user by user ID
/// Prefer to use 'refresh' instead of this function
#[tracing::instrument]
pub async fn get_user(user: uuid::Uuid) -> crate::Result<Credentials> {
let state = State::get().await?;
let users = state.users.read().await;
let user = users.get(user)?.ok_or_else(|| {
crate::ErrorKind::OtherError(format!(
"Tried to get nonexistent user with ID {user}"
))
.as_error()
})?;
Ok(user)
}