forked from bot/tmp2
181 lines
5.0 KiB
Rust
181 lines
5.0 KiB
Rust
/*
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* mCaptcha - A proof of work based DoS protection system
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* Copyright © 2021 Aravinth Manivannan <realravinth@batsense.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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use std::collections::BTreeMap;
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use actix::dev::*;
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use derive_builder::Builder;
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use crate::mcaptcha::MCaptcha;
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/// This struct represents the mCaptcha state and is used
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/// to configure leaky-bucket lifetime and manage defense
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#[derive(Clone)]
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pub struct Master<'a> {
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sites: BTreeMap<&'a str, Addr<MCaptcha>>,
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}
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impl Master<'static> {
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pub fn add_site(&mut self, details: AddSite) {
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self.sites.insert(details.id, details.addr.to_owned());
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}
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pub fn new() -> Self {
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Master {
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sites: BTreeMap::new(),
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}
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}
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pub fn get_site<'a, 'b>(&'a self, id: &'b str) -> Option<&'a Addr<MCaptcha>> {
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self.sites.get(id)
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}
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}
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impl Actor for Master<'static> {
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type Context = Context<Self>;
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}
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/// Message to increment the visitor count
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#[derive(Message)]
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#[rtype(result = "Option<Addr<MCaptcha>>")]
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pub struct GetSite<'a>(pub &'a str);
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impl<'b> Handler<GetSite<'b>> for Master<'static> {
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type Result = MessageResult<GetSite<'b>>;
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fn handle(&mut self, m: GetSite, _ctx: &mut Self::Context) -> Self::Result {
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let addr = self.get_site(m.0);
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if addr.is_none() {
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return MessageResult(None);
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} else {
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return MessageResult(Some(addr.unwrap().clone()));
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}
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}
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}
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/// Message to increment the visitor count
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#[derive(Message, Builder)]
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#[rtype(result = "()")]
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pub struct AddSite {
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pub id: &'static str,
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pub addr: Addr<MCaptcha>,
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}
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impl Handler<AddSite> for Master<'static> {
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type Result = ();
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fn handle(&mut self, m: AddSite, _ctx: &mut Self::Context) -> Self::Result {
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self.add_site(m);
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}
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}
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///// Message to decrement the visitor count
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//#[derive(Message, Deserialize)]
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//#[rtype(result = "()")]
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//pub struct VerifyPoW {
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// pow: ShaPoW<Vec<u8>>,
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// id: String,
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//}
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//
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//impl Handler<VerifyPoW> for MCaptcha {
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// type Result = ();
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// fn handle(&mut self, msg: VerifyPoW, _ctx: &mut Self::Context) -> Self::Result {
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// self.decrement_visiotr();
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// }
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//}
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#[cfg(test)]
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mod tests {
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use super::*;
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use crate::defense::*;
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// use crate::cache::HashCache;
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//
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// // constants for testing
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// // (visitor count, level)
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const LEVEL_1: (u32, u32) = (50, 50);
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const LEVEL_2: (u32, u32) = (500, 500);
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const DURATION: u64 = 10;
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type MyActor = Addr<MCaptcha>;
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fn get_defense() -> Defense {
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DefenseBuilder::default()
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.add_level(
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LevelBuilder::default()
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.visitor_threshold(LEVEL_1.0)
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.difficulty_factor(LEVEL_1.1)
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.unwrap()
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.build()
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.unwrap(),
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)
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.unwrap()
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.add_level(
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LevelBuilder::default()
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.visitor_threshold(LEVEL_2.0)
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.difficulty_factor(LEVEL_2.1)
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.unwrap()
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.build()
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.unwrap(),
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)
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.unwrap()
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.build()
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.unwrap()
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}
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fn get_counter() -> MCaptcha {
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use crate::MCaptchaBuilder;
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MCaptchaBuilder::default()
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.defense(get_defense())
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.duration(DURATION)
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.build()
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.unwrap()
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}
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#[actix_rt::test]
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async fn master() {
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let addr = Master::new().start();
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let id = "yo";
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let mcaptcha = get_counter().start();
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let msg = AddSiteBuilder::default()
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.id(id)
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.addr(mcaptcha)
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.build()
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.unwrap();
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addr.send(msg).await.unwrap();
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}
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//
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// #[actix_rt::test]
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// async fn counter_defense_loosenup_works() {
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// use actix::clock::delay_for;
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// let addr: MyActor = get_counter().start();
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//
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// race(addr.clone(), LEVEL_2).await;
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// race(addr.clone(), LEVEL_2).await;
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// let mut difficulty_factor = addr.send(Visitor).await.unwrap().unwrap();
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// assert_eq!(difficulty_factor, LEVEL_2.1);
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//
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// let duration = Duration::new(DURATION, 0);
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// delay_for(duration).await;
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//
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// difficulty_factor = addr.send(Visitor).await.unwrap().unwrap();
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// assert_eq!(difficulty_factor, LEVEL_1.1);
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// }
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}
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