pow stats

Cargo.toml

@@ -5,7 +5,7 @@ description = "mCaptcha - a PoW-based CAPTCHA system"
 homepage = "https://mcaptcha.org"
 repository = "https://github.com/mCaptcha/guard"
 documentation = "https://mcaptcha.org/docs/"
-lisense = "AGPLv3 or later version"
+license = "AGPLv3 or later version"
 authors = ["realaravinth <realaravinth@batsense.net>"]
 edition = "2018"
 default-run = "guard"

migrations/20210430032935_mcaptcha_pow_fetched_stats.sql

@@ -0,0 +1,4 @@
+CREATE TABLE IF NOT EXISTS mcaptcha_pow_fetched_stats (
+	config_id INTEGER references mcaptcha_config(config_id)  ON DELETE CASCADE,
+	fetched_at timestamptz NOT NULL DEFAULT now()
+);

src/api/v1/mcaptcha/mod.rs

@@ -18,6 +18,7 @@
 pub mod duration;
 pub mod levels;
 pub mod mcaptcha;
+pub mod stats;
 
 pub use super::auth::is_authenticated;
 

src/api/v1/mcaptcha/stats.rs

@@ -0,0 +1,28 @@
+/*
+* 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 sqlx::PgPool;
+
+pub async fn fetched(key: &str, db: &PgPool) {
+    let _ = sqlx::query!(
+        "INSERT INTO mcaptcha_pow_fetched_stats 
+        (config_id) VALUES ((SELECT config_id FROM mcaptcha_config WHERE key = $1))",
+        &key,
+    )
+    .execute(db)
+    .await;
+}

src/api/v1/pow/get_config.rs

@@ -22,6 +22,7 @@ use serde::{Deserialize, Serialize};
 
 use super::GetDurationResp;
 use super::I32Levels;
+use crate::api::v1::mcaptcha::stats::fetched;
 use crate::errors::*;
 use crate::Data;
 
@@ -64,9 +65,12 @@ pub async fn get_config(
                     init_mcaptcha(&data, &payload.key).await?;
                     let config = data
                         .captcha
-                        .get_pow(payload.key)
+                        .get_pow(payload.key.clone())
                         .await
                         .expect("mcaptcha should be initialized and ready to go");
+                    // background it. would require data::Data to be static
+                    // to satidfy lifetime
+                    fetched(&payload.key, &data.db).await;
                     Ok(HttpResponse::Ok().json(config))
                 }
             }