moved pow to independent module

src/api/v1/pow/verify_pow.rs

@@ -0,0 +1,129 @@
+/*
+* 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/>.
+*/
+
+use actix_web::{post, web, HttpResponse, Responder};
+use m_captcha::pow::Work;
+use serde::{Deserialize, Serialize};
+
+use crate::errors::*;
+use crate::Data;
+
+#[derive(Clone, Debug, Deserialize, Serialize)]
+pub struct ValidationToken {
+    pub token: String,
+}
+
+// API keys are mcaptcha actor names
+
+#[post("/api/v1/mcaptcha/pow/verify")]
+pub async fn verify_pow(
+    payload: web::Json<Work>,
+    data: web::Data<Data>,
+) -> ServiceResult<impl Responder> {
+    let res = data.captcha.verify_pow(payload.into_inner()).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::api::v1::services as v1_services;
+    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";
+        const VERIFY_URL: &str = "/api/v1/mcaptcha/pow/verify";
+        const GET_URL: &str = "/api/v1/mcaptcha/pow/config";
+        //        const UPDATE_URL: &str = "/api/v1/mcaptcha/domain/token/duration/update";
+
+        {
+            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, GET_URL).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, VERIFY_URL).to_request()).await;
+        assert_eq!(pow_verify_resp.status(), StatusCode::OK);
+
+        let string_not_found =
+            test::call_service(&mut app, post_request!(&work, VERIFY_URL).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, GET_URL).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)_/¯
+    }
+}