forked from bot/tmp2
117 lines
3.2 KiB
Rust
117 lines
3.2 KiB
Rust
/*
|
|
* mCaptcha - A proof of work based DoS protection system
|
|
* Copyright © 2021 Aravinth Manivannan <realravinth@batsense.net>
|
|
*
|
|
* This program is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU Affero General Public License as
|
|
* published by the Free Software Foundation, either version 3 of the
|
|
* License, or (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU Affero General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU Affero General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
use actix::dev::*;
|
|
use derive_builder::Builder;
|
|
use serde::Serialize;
|
|
|
|
use crate::cache::messages;
|
|
use crate::cache::Save;
|
|
use crate::master::Master;
|
|
|
|
/// PoW Config that will be sent to clients for generating PoW
|
|
#[derive(Clone, Serialize, Debug)]
|
|
pub struct PoWConfig {
|
|
pub string: String,
|
|
pub difficulty_factor: u32,
|
|
}
|
|
impl PoWConfig {
|
|
pub fn new(m: u32) -> Self {
|
|
use std::iter;
|
|
|
|
use rand::{distributions::Alphanumeric, rngs::ThreadRng, thread_rng, Rng};
|
|
|
|
let mut rng: ThreadRng = thread_rng();
|
|
|
|
let string = iter::repeat(())
|
|
.map(|()| rng.sample(Alphanumeric))
|
|
.map(char::from)
|
|
.take(32)
|
|
.collect::<String>();
|
|
|
|
PoWConfig {
|
|
string,
|
|
difficulty_factor: m,
|
|
}
|
|
}
|
|
}
|
|
|
|
#[derive(Clone, Builder)]
|
|
pub struct Actors<T: Save> {
|
|
master: Addr<Master<'static>>,
|
|
cache: Addr<T>,
|
|
}
|
|
|
|
impl<T> Actors<T>
|
|
where
|
|
T: Save,
|
|
<T as actix::Actor>::Context: ToEnvelope<T, messages::Cache>,
|
|
{
|
|
pub async fn get_pow(&self, id: String) -> Option<PoWConfig> {
|
|
use crate::cache::messages::Cache;
|
|
use crate::master::GetSite;
|
|
use crate::mcaptcha::Visitor;
|
|
|
|
let site_addr = self.master.send(GetSite(id)).await.unwrap();
|
|
if site_addr.is_none() {
|
|
return None;
|
|
}
|
|
let difficulty_factor = site_addr.unwrap().send(Visitor).await.unwrap();
|
|
let pow_config = PoWConfig::new(difficulty_factor);
|
|
self.cache
|
|
.send(Cache(pow_config.clone()))
|
|
.await
|
|
.unwrap()
|
|
.unwrap();
|
|
Some(pow_config)
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod tests {
|
|
use super::*;
|
|
use crate::cache::HashCache;
|
|
use crate::master::*;
|
|
use crate::mcaptcha::tests::*;
|
|
|
|
#[actix_rt::test]
|
|
async fn get_pow_works() {
|
|
let master = Master::new().start();
|
|
let mcaptcha = get_counter().start();
|
|
let mcaptcha_name = "batsense.net";
|
|
|
|
let cache = HashCache::default().start();
|
|
let msg = AddSiteBuilder::default()
|
|
.id(mcaptcha_name.into())
|
|
.addr(mcaptcha.clone())
|
|
.build()
|
|
.unwrap();
|
|
|
|
master.send(msg).await.unwrap();
|
|
|
|
let actors = ActorsBuilder::default()
|
|
.master(master)
|
|
.cache(cache)
|
|
.build()
|
|
.unwrap();
|
|
|
|
let pow = actors.get_pow(mcaptcha_name.into()).await.unwrap();
|
|
|
|
assert_eq!(pow.difficulty_factor, LEVEL_1.0);
|
|
}
|
|
}
|