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|
use argon2::{
Argon2, PasswordHash, PasswordHasher, PasswordVerifier,
password_hash::{SaltString, rand_core::OsRng},
};
use axum::{
extract::{FromRequestParts, Request, State},
http::{StatusCode, request::Parts},
middleware::Next,
response::{IntoResponse, Redirect, Response},
};
use rusqlite::params;
use serde::Deserialize;
use uuid::Uuid;
use crate::models::Account;
use crate::routes::AppState;
#[derive(Debug, Deserialize)]
pub struct LoginForm {
pub username: String,
pub password: String,
}
const SESSION_COOKIE: &str = "mcui_session";
pub fn hash_password(password: &str) -> Result<String, argon2::password_hash::Error> {
let salt = SaltString::generate(&mut OsRng);
let hash = Argon2::default().hash_password(password.as_bytes(), &salt)?;
Ok(hash.to_string())
}
pub fn verify_password(password: &str, hash: &str) -> Result<bool, argon2::password_hash::Error> {
let parsed = PasswordHash::new(hash)?;
Ok(Argon2::default()
.verify_password(password.as_bytes(), &parsed)
.is_ok())
}
pub async fn authenticate(
State(state): State<AppState>,
axum::Form(form): axum::Form<LoginForm>,
) -> Result<impl IntoResponse, (StatusCode, String)> {
let conn = state.db.conn();
let account = conn
.query_row(
"SELECT id, username, is_superuser, password_change_required FROM accounts WHERE username = ?1",
params![form.username],
|row| {
Ok(Account {
id: row.get(0)?,
username: row.get(1)?,
is_superuser: row.get::<_, i32>(2)? != 0,
password_change_required: row.get::<_, i32>(3)? != 0,
})
},
)
.map_err(|_| (StatusCode::UNAUTHORIZED, "Invalid username or password".into()))?;
let hash: String = conn
.query_row(
"SELECT password FROM accounts WHERE id = ?1",
params![account.id],
|row| row.get(0),
)
.map_err(|_| (StatusCode::INTERNAL_SERVER_ERROR, "Database error".into()))?;
if !verify_password(&form.password, &hash).unwrap_or(false) {
return Err((
StatusCode::UNAUTHORIZED,
"Invalid username or password".into(),
));
}
let session_id = Uuid::new_v4().to_string();
conn.execute(
"INSERT INTO sessions (id, account_id) VALUES (?1, ?2)",
params![session_id, account.id],
)
.map_err(|_| (StatusCode::INTERNAL_SERVER_ERROR, "Session error".into()))?;
drop(conn);
let cookie_value =
format!("{SESSION_COOKIE}={session_id}; Path=/; HttpOnly; Max-Age=86400; SameSite=Lax");
let redirect = if account.password_change_required {
Redirect::to("/change-password")
} else {
Redirect::to("/")
};
Ok(([(axum::http::header::SET_COOKIE, cookie_value)], redirect))
}
pub async fn require_auth(
State(state): State<AppState>,
mut request: Request,
next: Next,
) -> Result<Response, Response> {
let cookies = request
.headers()
.get(axum::http::header::COOKIE)
.and_then(|v| v.to_str().ok())
.unwrap_or("");
let session_id = cookies.split(';').map(|s| s.trim()).find_map(|cookie| {
if let Some((name, value)) = cookie.split_once('=') {
if name.trim() == SESSION_COOKIE {
Some(value.trim().to_string())
} else {
None
}
} else {
None
}
});
match session_id {
Some(id) => {
let account = state
.db
.conn()
.query_row(
"SELECT a.id, a.username, a.is_superuser, a.password_change_required
FROM sessions s JOIN accounts a ON s.account_id = a.id
WHERE s.id = ?1",
params![id],
|row| {
Ok(Account {
id: row.get(0)?,
username: row.get(1)?,
is_superuser: row.get::<_, i32>(2)? != 0,
password_change_required: row.get::<_, i32>(3)? != 0,
})
},
)
.ok();
if let Some(account) = account {
request.extensions_mut().insert(account);
Ok(next.run(request).await)
} else {
Err(Redirect::to("/login").into_response())
}
}
None => Err(Redirect::to("/login").into_response()),
}
}
#[derive(Clone)]
pub struct CurrentUser(pub Account);
impl<S> FromRequestParts<S> for CurrentUser
where
S: Send + Sync,
{
type Rejection = (StatusCode, &'static str);
async fn from_request_parts(parts: &mut Parts, _state: &S) -> Result<Self, Self::Rejection> {
parts
.extensions
.get::<Account>()
.cloned()
.map(CurrentUser)
.ok_or((StatusCode::UNAUTHORIZED, "Not authenticated"))
}
}
pub async fn logout(
State(state): State<AppState>,
headers: axum::http::HeaderMap,
) -> impl IntoResponse {
if let Some(cookie_header) = headers.get(axum::http::header::COOKIE) {
if let Ok(cookie_str) = cookie_header.to_str() {
for part in cookie_str.split(';') {
let part = part.trim();
if let Some((name, value)) = part.split_once('=') {
if name.trim() == SESSION_COOKIE {
let _ = state
.db
.conn()
.execute("DELETE FROM sessions WHERE id = ?1", params![value.trim()]);
}
}
}
}
}
let clear_cookie = format!("{SESSION_COOKIE}=; Path=/; HttpOnly; Max-Age=0");
(
[(axum::http::header::SET_COOKIE, clear_cookie)],
Redirect::to("/login"),
)
}
|
