ssowat-rs/src/state/logout.rs

86 lines
3.0 KiB
Rust

use axum::{
extract::FromRequestParts,
http::request::Parts,
RequestPartsExt,
};
use snafu::prelude::*;
use std::borrow::Cow;
use tower_cookies::{Cookies, Cookie};
use yunohost_api::Username;
use crate::{
error::*,
state::{COOKIE_NAME, RoutableAppState, sessions::*},
};
pub struct LoggedOutUser(Session);
impl LoggedOutUser {
pub fn new(session: Session) -> Self {
Self(session)
}
pub fn username(&self) -> &Username {
self.0.username()
}
pub fn cookie(&self) -> Cookie {
Cookie::build(
Cow::Owned(self.0.cookie_name.to_string()),
Cow::Owned(self.0.content.to_string()),
).path(
Cow::Owned("/".to_string())
).finish()
}
}
impl From<Session> for LoggedOutUser {
fn from(s: Session) -> LoggedOutUser {
LoggedOutUser::new(s)
}
}
#[async_trait]
impl FromRequestParts<RoutableAppState> for LoggedOutUser {
type Rejection = Error;
async fn from_request_parts(parts: &mut Parts, state: &RoutableAppState) -> Result<Self, Self::Rejection> {
let cookies: Cookies = parts.extract().await.map_err(|_| Error::Cookie)?;
trace!("[SESSION:{}/logout] Checking if the user has a valid session", COOKIE_NAME);
trace!("{:#?}", parts.headers);
let session_cookie = if let Some(session_cookie) = cookies.get(COOKIE_NAME) {
trace!("[SESSION:{}/logout] User claims to have a session with cookie: {}", COOKIE_NAME, &session_cookie);
session_cookie
} else {
trace!("[SESSION:{}/logout] No current session cookie", COOKIE_NAME);
return Err(Error::Session {
source: SessionError::NoSession {
cookie_name: COOKIE_NAME.to_string(),
}
});
};
if let Some(session) = state.sessions.verify_cookie_session(session_cookie.value()).await.context(SessionSnafu)? {
debug!("[SESSION:{}/logout] User {} resumed session, requesting to log out.", COOKIE_NAME, &session.username);
if state.sessions.invalidate_session(session.timestamp, &session.content).await {
return Ok(session.into());
} else {
warn!("[SESSION:{}/logout] User {} requested logout but was already logged out. Here's the session:\n{:#?}", COOKIE_NAME, &session.username, &session);
warn!("This is probably a race condition but is completely harmless.");
return Err(Error::Session {
source: SessionError::InvalidOrExpired {
cookie_name: COOKIE_NAME.to_string(),
}
});
}
} else {
trace!("[SESSION:{}/logout] User session is invalid or has expired.", COOKIE_NAME);
return Err(Error::Session {
source: SessionError::InvalidOrExpired {
cookie_name: COOKIE_NAME.to_string(),
}
});
}
}
}