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/* * 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/>. */ //! PoW datatypes used in client-server interaction use pow_sha256::PoW; use serde::{Deserialize, Serialize}; pub use pow_sha256::ConfigBuilder; /// PoW requirement datatype that is be sent to clients for generating PoW #[derive(Clone, Serialize, Deserialize, Debug)] pub struct PoWConfig { pub string: String, pub difficulty_factor: u32, } impl PoWConfig { /// create new instance of [PoWConfig] pub fn new(m: u32) -> Self { use crate::utils::get_random; PoWConfig { string: get_random(32), difficulty_factor: m, } } } /// PoW datatype that clients send to server #[derive(Clone, Serialize, Deserialize, Debug)] pub struct Work { pub string: String, pub result: String, pub nonce: u64, } impl From<Work> for PoW<String> { fn from(w: Work) -> Self { use pow_sha256::PoWBuilder; PoWBuilder::default() .result(w.result) .nonce(w.nonce) .build() .unwrap() } }