taler-rust

GNU Taler code in Rust. Largely core banking integrations.
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api.rs (4168B)

      1 /*
      2   This file is part of TALER
      3   Copyright (C) 2026 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or modify it under the
      6   terms of the GNU Affero General Public License as published by the Free Software
      7   Foundation; either version 3, or (at your option) any later version.
      8 
      9   TALER is distributed in the hope that it will be useful, but WITHOUT ANY
     10   WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
     11   A PARTICULAR PURPOSE.  See the GNU Affero General Public License for more details.
     12 
     13   You should have received a copy of the GNU Affero General Public License along with
     14   TALER; see the file COPYING.  If not, see <http://www.gnu.org/licenses/>
     15 */
     16 
     17 use std::sync::Arc;
     18 
     19 use axum::{
     20     Json, Router,
     21     extract::State,
     22     response::{IntoResponse as _, NoContent},
     23     routing::{delete, get, post},
     24 };
     25 use jiff::Timestamp;
     26 use serde::{Deserialize, Serialize};
     27 use sqlx::PgPool;
     28 use taler_api::{
     29     error::ApiResult,
     30     extract::{Path, Req},
     31 };
     32 
     33 use crate::db;
     34 
     35 pub struct RelayApi {
     36     db: PgPool,
     37 }
     38 
     39 impl RelayApi {
     40     pub fn new(db: PgPool) -> Self {
     41         Self { db }
     42     }
     43 }
     44 
     45 #[derive(Debug, Deserialize, Serialize)]
     46 pub struct DeviceRegistrationRequest {
     47     pub token: String,
     48 }
     49 
     50 #[derive(Debug, Deserialize, Serialize)]
     51 pub struct DeviceUnregistrationRequest {
     52     pub token: String,
     53 }
     54 
     55 #[derive(Debug, Deserialize, Serialize)]
     56 pub struct ApnsRelayConfig<'a> {
     57     pub name: &'a str,
     58     pub version: &'a str,
     59     pub implementation: Option<&'a str>,
     60 }
     61 
     62 pub fn router(state: Arc<RelayApi>) -> Router {
     63     Router::new()
     64         .route(
     65             "/devices",
     66             post(
     67                 async |State(state): State<Arc<RelayApi>>,
     68                        Req(req): Req<DeviceRegistrationRequest>| {
     69                     db::register(&state.db, &req.token, &Timestamp::now()).await?;
     70                     ApiResult::Ok(NoContent)
     71                 },
     72             ),
     73         )
     74         .route(
     75             "/devices/{token}",
     76             delete(
     77                 async |State(state): State<Arc<RelayApi>>, Path(token): Path<String>| {
     78                     db::unregister(&state.db, &token, &Timestamp::now()).await?;
     79                     ApiResult::Ok(NoContent)
     80                 },
     81             ),
     82         )
     83         .route(
     84             "/config",
     85             get(async || {
     86                 Json(ApnsRelayConfig {
     87                     name: "taler-apns-relay",
     88                     version: "0:0:0",
     89                     implementation: Some("urn:net:taler:specs:taler-apns-relay:taler-rust"),
     90                 })
     91                 .into_response()
     92             }),
     93         )
     94         .with_state(state)
     95 }
     96 
     97 #[cfg(test)]
     98 mod test {
     99     use std::sync::Arc;
    100 
    101     use taler_api::api::TalerRouter as _;
    102     use taler_test_utils::{json, server::TestServer as _};
    103 
    104     use crate::{
    105         api::{ApnsRelayConfig, RelayApi, router},
    106         db::{all_registrations, test::setup},
    107     };
    108 
    109     #[tokio::test]
    110     async fn api() {
    111         let pool = setup().await;
    112         let api = Arc::new(RelayApi::new(pool.clone()));
    113         let server = router(api).finalize();
    114 
    115         server
    116             .get("/config")
    117             .await
    118             .assert_ok_json::<ApnsRelayConfig>();
    119 
    120         assert_eq!(all_registrations(&pool).await.unwrap(), &[""; 0]);
    121 
    122         server
    123             .post("/devices")
    124             .json(json!({
    125                 "token": "device1"
    126             }))
    127             .await
    128             .assert_no_content();
    129         server
    130             .post("/devices")
    131             .json(json!({
    132                 "token": "device1"
    133             }))
    134             .await
    135             .assert_no_content();
    136         server
    137             .post("/devices")
    138             .json(json!({
    139                 "token": "device2"
    140             }))
    141             .await
    142             .assert_no_content();
    143 
    144         assert_eq!(
    145             all_registrations(&pool).await.unwrap(),
    146             &["device1", "device2"]
    147         );
    148 
    149         server.delete("/devices/device1").await.assert_no_content();
    150         server.delete("/devices/device3").await.assert_no_content();
    151         assert_eq!(all_registrations(&pool).await.unwrap(), &["device2"]);
    152     }
    153 }