mCaptcha/src/api/v1/pow/verify_pow.rs
2021-05-10 15:38:09 +05:30

142 lines
4.6 KiB
Rust

/*
* Copyright (C) 2021 Aravinth Manivannan <realaravinth@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 <https://www.gnu.org/licenses/>.
*/
//! PoW Verification module
use actix_web::{web, HttpResponse, Responder};
use m_captcha::pow::Work;
use serde::{Deserialize, Serialize};
use super::record_solve;
use crate::errors::*;
use crate::Data;
#[derive(Clone, Debug, Deserialize, Serialize)]
/// validation token that clients receive as proof for submiting
/// valid PoW
pub struct ValidationToken {
pub token: String,
}
// API keys are mcaptcha actor names
/// route handler that verifies PoW and issues a solution token
/// if verification is successful
pub async fn verify_pow(
payload: web::Json<Work>,
data: web::Data<Data>,
) -> ServiceResult<impl Responder> {
let key = payload.key.clone();
let res = data.captcha.verify_pow(payload.into_inner()).await?;
record_solve(&key, &data.db).await;
let payload = ValidationToken { token: res };
Ok(HttpResponse::Ok().json(payload))
}
#[cfg(test)]
mod tests {
use actix_web::http::{header, StatusCode};
use actix_web::test;
use m_captcha::pow::PoWConfig;
use super::*;
use crate::api::v1::pow::get_config::GetConfigPayload;
use crate::tests::*;
use crate::*;
#[actix_rt::test]
async fn verify_pow_works() {
const NAME: &str = "powverifyusr";
const PASSWORD: &str = "testingpas";
const EMAIL: &str = "verifyuser@a.com";
{
let data = Data::new().await;
delete_user(NAME, &data).await;
}
register_and_signin(NAME, EMAIL, PASSWORD).await;
let (data, _, _signin_resp, token_key) = add_levels_util(NAME, PASSWORD).await;
let mut app = get_app!(data).await;
let get_config_payload = GetConfigPayload {
key: token_key.key.clone(),
};
// update and check changes
let get_config_resp = test::call_service(
&mut app,
post_request!(&get_config_payload, V1_API_ROUTES.pow.get_config)
.to_request(),
)
.await;
assert_eq!(get_config_resp.status(), StatusCode::OK);
let config: PoWConfig = test::read_body_json(get_config_resp).await;
let pow = pow_sha256::ConfigBuilder::default()
.salt(config.salt)
.build()
.unwrap();
let work = pow
.prove_work(&config.string.clone(), config.difficulty_factor)
.unwrap();
let work = Work {
string: config.string.clone(),
result: work.result,
nonce: work.nonce,
key: token_key.key.clone(),
};
let pow_verify_resp = test::call_service(
&mut app,
post_request!(&work, V1_API_ROUTES.pow.verify_pow).to_request(),
)
.await;
assert_eq!(pow_verify_resp.status(), StatusCode::OK);
let string_not_found = test::call_service(
&mut app,
post_request!(&work, V1_API_ROUTES.pow.verify_pow).to_request(),
)
.await;
assert_eq!(string_not_found.status(), StatusCode::BAD_REQUEST);
let err: ErrorToResponse = test::read_body_json(string_not_found).await;
assert_eq!(
err.error,
format!(
"{}",
ServiceError::CaptchaError(
m_captcha::errors::CaptchaError::StringNotFound
)
)
);
// let pow_config_resp = test::call_service(
// &mut app,
// post_request!(&get_config_payload, V1_API_ROUTES.pow.get_config).to_request(),
// )
// .await;
// assert_eq!(pow_config_resp.status(), StatusCode::OK);
// I'm not checking for errors because changing work.result triggered
// InssuficientDifficulty, which is possible becuase m_captcha calculates
// difficulty with the submitted result. Besides, this endpoint is merely
// propagating errors from m_captcha and m_captcha has tests covering the
// pow aspects ¯\_(ツ)_/¯
}
}