99 lines
2.2 KiB
Rust
99 lines
2.2 KiB
Rust
use crate::db::{self, DatabasePool, schema};
|
|
use arbiter_proto::{BOOTSTRAP_PATH, home_path};
|
|
|
|
use diesel::QueryDsl;
|
|
use diesel_async::RunQueryDsl;
|
|
use kameo::{Actor, messages};
|
|
use rand::{RngExt, distr::Alphanumeric, make_rng, rngs::StdRng};
|
|
use subtle::ConstantTimeEq as _;
|
|
use thiserror::Error;
|
|
|
|
const TOKEN_LENGTH: usize = 64;
|
|
|
|
pub async fn generate_token() -> Result<String, std::io::Error> {
|
|
let rng: StdRng = make_rng();
|
|
|
|
let token = rng.sample_iter(Alphanumeric).take(TOKEN_LENGTH).fold(
|
|
String::default(),
|
|
|mut accum, char| {
|
|
accum += char.to_string().as_str();
|
|
accum
|
|
},
|
|
);
|
|
|
|
tokio::fs::write(home_path()?.join(BOOTSTRAP_PATH), token.as_str()).await?;
|
|
|
|
Ok(token)
|
|
}
|
|
|
|
#[derive(Error, Debug)]
|
|
pub enum Error {
|
|
#[error("Database error: {0}")]
|
|
Database(#[from] db::PoolError),
|
|
|
|
#[error("I/O error: {0}")]
|
|
Io(#[from] std::io::Error),
|
|
|
|
#[error("Database query error: {0}")]
|
|
Query(#[from] diesel::result::Error),
|
|
}
|
|
|
|
#[derive(Actor)]
|
|
pub struct Bootstrapper {
|
|
token: Option<String>,
|
|
}
|
|
|
|
impl Bootstrapper {
|
|
pub async fn new(db: &DatabasePool) -> Result<Self, Error> {
|
|
let row_count: i64 = {
|
|
let mut conn = db.get().await?;
|
|
|
|
schema::operator::table
|
|
.count()
|
|
.get_result(&mut conn)
|
|
.await?
|
|
};
|
|
|
|
let token = if row_count == 0 {
|
|
let token = generate_token().await?;
|
|
Some(token)
|
|
} else {
|
|
None
|
|
};
|
|
|
|
Ok(Self { token })
|
|
}
|
|
}
|
|
|
|
#[messages]
|
|
impl Bootstrapper {
|
|
#[message]
|
|
pub fn is_correct_token(&self, token: String) -> bool {
|
|
self.token.as_ref().is_some_and(|expected| {
|
|
let expected_bytes = expected.as_bytes();
|
|
let token_bytes = token.as_bytes();
|
|
|
|
let choice = expected_bytes.ct_eq(token_bytes);
|
|
bool::from(choice)
|
|
})
|
|
}
|
|
|
|
#[message]
|
|
pub fn consume_token(&mut self, token: String) -> bool {
|
|
if self.is_correct_token(token) {
|
|
self.token = None;
|
|
true
|
|
} else {
|
|
false
|
|
}
|
|
}
|
|
}
|
|
|
|
#[messages]
|
|
impl Bootstrapper {
|
|
#[message]
|
|
pub fn get_token(&self) -> Option<String> {
|
|
self.token.clone()
|
|
}
|
|
}
|