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//! `/api/auth`
//!
//! Routes dealing in authentication. Routes here integrate with `knowing`,
//! which provides our authentication.
use std::time::Duration;
use axum::{Extension, body::Body, extract::State, http::StatusCode, response::Response};
use gny::web::cookie::{self, SetCookie};
use sessionhash::RequestContext;
use somethings::auth::Session;
use crate::{Query, RuntimeError, config::Settings, extractor::Wrap, state::SplormState};
/// POST /auth/register
pub async fn register(
State(state): State<SplormState>,
Extension(settings): Extension<Settings>,
ctx: RequestContext,
body: String,
) -> Result<Response, RuntimeError> {
tracing::trace!("{ctx} GET /api/register");
if !settings.registration_enabled() {
return Err(RuntimeError::Generic403);
}
macro_rules! get {
($query:ident $field:literal) => {
$query
.get_first_value($field)
.ok_or(RuntimeError::incomplete_form($field))
};
}
let query: Query = body.parse()?;
let name = get!(query "name")?;
let plaintext_password = get!(query "password")?.to_owned();
let result = knowing::user_register(state.database(), name, plaintext_password).await;
let _user = match result {
Ok(user) => user,
Err(knowing::Error::DatabaseError(dbe)) => return Err(dbe.into()),
_ => unreachable!(),
};
tracing::info!("registered user {name}");
Response::builder()
.status(302)
.header("Location", "/")
.body(Body::from(format!("registered user {name}")))
.map_err(|_| RuntimeError::Unknown)
}
/// POST /auth/login
pub async fn login(
State(state): State<SplormState>,
ctx: RequestContext,
body: String,
) -> Result<Response, RuntimeError> {
tracing::trace!("{ctx} GET /api/login");
macro_rules! get {
($query:ident $field:literal) => {
$query
.get_first_value($field)
.ok_or(RuntimeError::incomplete_form($field))
};
}
let query: Query = body.parse()?;
let name = get!(query "name")?;
let plaintext_password = get!(query "password")?.to_owned();
let result = knowing::user_login(state.database(), name, plaintext_password).await;
let session = match result {
Ok(user) => user,
Err(knowing::Error::DatabaseError(dbe)) => return Err(dbe.into()),
Err(knowing::Error::AuthenticationFailed) => {
return Err(RuntimeError::authentication_failed(name.to_owned()));
}
_ => unreachable!(),
};
let session_cookie = SetCookie::new("sid", session.sessionid().as_str())
.max_age(Some(cookie::WEEK))
.secure(true)
.httponly(true)
.path(Some("/"));
tracing::info!("user {name} logged in");
Response::builder()
.status(302)
.header("Location", "/")
.header("Set-Cookie", session_cookie.as_string())
.body(Body::from(format!("registered user {name}")))
.map_err(|_| RuntimeError::Unknown)
}
/// POST /auth/logout
pub async fn logout(
State(state): State<SplormState>,
Wrap(session): Wrap<Session>,
ctx: RequestContext,
) -> Result<Response, RuntimeError> {
tracing::trace!("{ctx} GET /api/logout");
let result = knowing::remove_session(state.database(), session.sessionid().as_str()).await;
match result {
Ok(_) => (),
Err(knowing::Error::DatabaseError(dbe)) => return Err(dbe.into()),
_ => unreachable!(),
}
let session_cookie = SetCookie::new("sid", "")
.max_age(Some(Duration::from_secs(0)))
.secure(true)
.httponly(true)
.path(Some("/"));
tracing::info!("user {} logged out", session.user().name());
Response::builder()
.status(StatusCode::SEE_OTHER)
.header("Location", "/")
.header("Set-Cookie", session_cookie.as_string())
.body(Body::from(format!("goodbye {}", session.user().name())))
.map_err(|_| RuntimeError::Unknown)
}
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