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</pre></div><pre class="rust"><code><span class="comment">// Copyright (C) 2022 Aravinth Manivannan &lt;realaravinth@batsense.net&gt;
// SPDX-FileCopyrightText: 2023 Aravinth Manivannan &lt;realaravinth@batsense.net&gt;
//
// SPDX-License-Identifier: AGPL-3.0-or-later
</span><span class="doccomment">//! PoW Verification module
</span><span class="kw">use </span>actix_web::HttpRequest;
<span class="kw">use </span>actix_web::{web, HttpResponse, Responder};
<span class="kw">use </span>libmcaptcha::pow::Work;
<span class="kw">use </span>serde::{Deserialize, Serialize};
<span class="kw">use </span><span class="kw">crate</span>::errors::<span class="kw-2">*</span>;
<span class="kw">use </span><span class="kw">crate</span>::AppData;
<span class="kw">use </span><span class="kw">crate</span>::V1_API_ROUTES;
<span class="attr">#[derive(Clone, Debug, Deserialize, Serialize)]
</span><span class="doccomment">/// validation token that clients receive as proof for submiting
/// valid PoW
</span><span class="kw">pub struct </span>ValidationToken {
<span class="kw">pub </span>token: String,
}
<span class="attr">#[derive(Clone, Debug, Deserialize, Serialize)]
</span><span class="kw">pub struct </span>ApiWork {
<span class="kw">pub </span>string: String,
<span class="kw">pub </span>result: String,
<span class="kw">pub </span>nonce: u64,
<span class="kw">pub </span>key: String,
<span class="kw">pub </span>time: <span class="prelude-ty">Option</span>&lt;u32&gt;,
<span class="kw">pub </span>worker_type: <span class="prelude-ty">Option</span>&lt;String&gt;,
}
<span class="kw">impl </span>From&lt;ApiWork&gt; <span class="kw">for </span>Work {
<span class="kw">fn </span>from(value: ApiWork) -&gt; <span class="self">Self </span>{
<span class="self">Self </span>{
string: value.string,
nonce: value.nonce,
result: value.result,
key: value.key,
}
}
}
<span class="comment">// API keys are mcaptcha actor names
</span><span class="doccomment">/// route handler that verifies PoW and issues a solution token
/// if verification is successful
</span><span class="attr">#[my_codegen::post(path = <span class="string">&quot;V1_API_ROUTES.pow.verify_pow()&quot;</span>)]
</span><span class="kw">pub async fn </span>verify_pow(
req: HttpRequest,
payload: web::Json&lt;ApiWork&gt;,
data: AppData,
) -&gt; ServiceResult&lt;<span class="kw">impl </span>Responder&gt; {
<span class="attr">#[cfg(not(test))]
</span><span class="kw">let </span>ip = req.connection_info().peer_addr().unwrap().to_string();
<span class="comment">// From actix-web docs:
// Will only return None when called in unit tests unless TestRequest::peer_addr is used.
//
// ref: https://docs.rs/actix-web/latest/actix_web/struct.HttpRequest.html#method.peer_addr
</span><span class="attr">#[cfg(test)]
</span><span class="kw">let </span>ip = <span class="string">&quot;127.0.1.1&quot;</span>.into();
<span class="kw">let </span>key = payload.key.clone();
<span class="kw">let </span>payload = payload.into_inner();
<span class="kw">let </span>worker_type = payload.worker_type.clone();
<span class="kw">let </span>time = payload.time;
<span class="kw">let </span>(res, difficulty_factor) = data.captcha.verify_pow(payload.into(), ip).<span class="kw">await</span><span class="question-mark">?</span>;
data.stats.record_solve(<span class="kw-2">&amp;</span>data, <span class="kw-2">&amp;</span>key).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="kw">if </span>time.is_some() &amp;&amp; worker_type.is_some() {
<span class="kw">let </span>analytics = db_core::CreatePerformanceAnalytics {
difficulty_factor,
time: time.unwrap(),
worker_type: worker_type.unwrap(),
};
data.db.analysis_save(<span class="kw-2">&amp;</span>key, <span class="kw-2">&amp;</span>analytics).<span class="kw">await</span><span class="question-mark">?</span>;
}
<span class="kw">let </span>payload = ValidationToken { token: res };
<span class="prelude-val">Ok</span>(HttpResponse::Ok().json(payload))
}
<span class="attr">#[cfg(test)]
</span><span class="kw">pub mod </span>tests {
<span class="kw">use </span>actix_web::http::StatusCode;
<span class="kw">use </span>actix_web::test;
<span class="kw">use </span>libmcaptcha::pow::PoWConfig;
<span class="kw">use super</span>::<span class="kw-2">*</span>;
<span class="kw">use </span><span class="kw">crate</span>::api::v1::pow::get_config::GetConfigPayload;
<span class="kw">use </span><span class="kw">crate</span>::tests::<span class="kw-2">*</span>;
<span class="kw">use crate</span>::<span class="kw-2">*</span>;
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>verify_pow_works_pg() {
<span class="kw">let </span>data = <span class="kw">crate</span>::tests::pg::get_data().<span class="kw">await</span>;
verify_pow_works(data).<span class="kw">await</span>;
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>verify_pow_works_maria() {
<span class="kw">let </span>data = <span class="kw">crate</span>::tests::maria::get_data().<span class="kw">await</span>;
verify_pow_works(data).<span class="kw">await</span>;
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>verify_analytics_pow_works_pg() {
<span class="kw">let </span>data = <span class="kw">crate</span>::tests::pg::get_data().<span class="kw">await</span>;
verify_analytics_pow_works(data).<span class="kw">await</span>;
}
<span class="attr">#[actix_rt::test]
</span><span class="kw">async fn </span>verify_analytics_pow_works_maria() {
<span class="kw">let </span>data = <span class="kw">crate</span>::tests::maria::get_data().<span class="kw">await</span>;
verify_analytics_pow_works(data).<span class="kw">await</span>;
}
<span class="kw">pub async fn </span>verify_analytics_pow_works(data: ArcData) {
<span class="kw">const </span>NAME: <span class="kw-2">&amp;</span>str = <span class="string">&quot;powanalyticsuser&quot;</span>;
<span class="kw">const </span>PASSWORD: <span class="kw-2">&amp;</span>str = <span class="string">&quot;testingpas&quot;</span>;
<span class="kw">const </span>EMAIL: <span class="kw-2">&amp;</span>str = <span class="string">&quot;powanalyticsuser@a.com&quot;</span>;
<span class="kw">let </span>data = <span class="kw-2">&amp;</span>data;
delete_user(data, NAME).<span class="kw">await</span>;
register_and_signin(data, NAME, EMAIL, PASSWORD).<span class="kw">await</span>;
<span class="kw">let </span>(<span class="kw">_</span>, _signin_resp, token_key) = add_levels_util(data, NAME, PASSWORD).<span class="kw">await</span>;
<span class="kw">let </span>app = <span class="macro">get_app!</span>(data).<span class="kw">await</span>;
<span class="kw">let </span>get_config_payload = GetConfigPayload {
key: token_key.key.clone(),
};
<span class="comment">// update and check changes
</span><span class="kw">let </span>get_config_resp = test::call_service(
<span class="kw-2">&amp;</span>app,
<span class="macro">post_request!</span>(<span class="kw-2">&amp;</span>get_config_payload, V1_API_ROUTES.pow.get_config)
.to_request(),
)
.<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(get_config_resp.status(), StatusCode::OK);
<span class="kw">let </span>config: PoWConfig = test::read_body_json(get_config_resp).<span class="kw">await</span>;
<span class="kw">let </span>pow = pow_sha256::ConfigBuilder::default()
.salt(config.salt)
.build()
.unwrap();
<span class="kw">let </span>work = pow
.prove_work(<span class="kw-2">&amp;</span>config.string.clone(), config.difficulty_factor)
.unwrap();
<span class="kw">let </span>work = ApiWork {
string: config.string.clone(),
result: work.result,
nonce: work.nonce,
key: token_key.key.clone(),
time: <span class="prelude-val">Some</span>(<span class="number">100</span>),
worker_type: <span class="prelude-val">Some</span>(<span class="string">&quot;wasm&quot;</span>.into()),
};
<span class="kw">let </span>pow_verify_resp = test::call_service(
<span class="kw-2">&amp;</span>app,
<span class="macro">post_request!</span>(<span class="kw-2">&amp;</span>work, V1_API_ROUTES.pow.verify_pow).to_request(),
)
.<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(pow_verify_resp.status(), StatusCode::OK);
<span class="kw">let </span>limit = <span class="number">50</span>;
<span class="kw">let </span>offset = <span class="number">0</span>;
<span class="kw">let </span><span class="kw-2">mut </span>analytics = data
.db
.analytics_fetch(<span class="kw-2">&amp;</span>token_key.key, limit, offset)
.<span class="kw">await
</span>.unwrap();
<span class="macro">assert_eq!</span>(analytics.len(), <span class="number">1</span>);
<span class="kw">let </span>a = analytics.pop().unwrap();
<span class="macro">assert_eq!</span>(a.time, work.time.unwrap());
<span class="macro">assert_eq!</span>(a.worker_type, work.worker_type.unwrap());
}
<span class="kw">pub async fn </span>verify_pow_works(data: ArcData) {
<span class="kw">const </span>NAME: <span class="kw-2">&amp;</span>str = <span class="string">&quot;powverifyusr&quot;</span>;
<span class="kw">const </span>PASSWORD: <span class="kw-2">&amp;</span>str = <span class="string">&quot;testingpas&quot;</span>;
<span class="kw">const </span>EMAIL: <span class="kw-2">&amp;</span>str = <span class="string">&quot;verifyuser@a.com&quot;</span>;
<span class="kw">let </span>data = <span class="kw-2">&amp;</span>data;
delete_user(data, NAME).<span class="kw">await</span>;
register_and_signin(data, NAME, EMAIL, PASSWORD).<span class="kw">await</span>;
<span class="kw">let </span>(<span class="kw">_</span>, _signin_resp, token_key) = add_levels_util(data, NAME, PASSWORD).<span class="kw">await</span>;
<span class="kw">let </span>app = <span class="macro">get_app!</span>(data).<span class="kw">await</span>;
<span class="kw">let </span>get_config_payload = GetConfigPayload {
key: token_key.key.clone(),
};
<span class="comment">// update and check changes
</span><span class="kw">let </span>get_config_resp = test::call_service(
<span class="kw-2">&amp;</span>app,
<span class="macro">post_request!</span>(<span class="kw-2">&amp;</span>get_config_payload, V1_API_ROUTES.pow.get_config)
.to_request(),
)
.<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(get_config_resp.status(), StatusCode::OK);
<span class="kw">let </span>config: PoWConfig = test::read_body_json(get_config_resp).<span class="kw">await</span>;
<span class="kw">let </span>pow = pow_sha256::ConfigBuilder::default()
.salt(config.salt)
.build()
.unwrap();
<span class="kw">let </span>work = pow
.prove_work(<span class="kw-2">&amp;</span>config.string.clone(), config.difficulty_factor)
.unwrap();
<span class="kw">let </span>work = Work {
string: config.string.clone(),
result: work.result,
nonce: work.nonce,
key: token_key.key.clone(),
};
<span class="kw">let </span>pow_verify_resp = test::call_service(
<span class="kw-2">&amp;</span>app,
<span class="macro">post_request!</span>(<span class="kw-2">&amp;</span>work, V1_API_ROUTES.pow.verify_pow).to_request(),
)
.<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(pow_verify_resp.status(), StatusCode::OK);
<span class="macro">assert!</span>(data
.db
.analytics_fetch(<span class="kw-2">&amp;</span>token_key.key, <span class="number">50</span>, <span class="number">0</span>)
.<span class="kw">await
</span>.unwrap()
.is_empty());
<span class="kw">let </span>string_not_found = test::call_service(
<span class="kw-2">&amp;</span>app,
<span class="macro">post_request!</span>(<span class="kw-2">&amp;</span>work, V1_API_ROUTES.pow.verify_pow).to_request(),
)
.<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(string_not_found.status(), StatusCode::BAD_REQUEST);
<span class="kw">let </span>err: ErrorToResponse = test::read_body_json(string_not_found).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(err.error, <span class="string">&quot;Challenge: not found&quot;</span>);
<span class="comment">// let pow_config_resp = test::call_service(
// &amp;app,
// post_request!(&amp;get_config_payload, V1_API_ROUTES.pow.get_config).to_request(),
// )
// .await;
// assert_eq!(pow_config_resp.status(), StatusCode::OK);
// I&#39;m not checking for errors because changing work.result triggered
// InssuficientDifficulty, which is possible because libmcaptcha calculates
// difficulty with the submitted result. Besides, this endpoint is merely
// propagating errors from libmcaptcha and libmcaptcha has tests covering the
// pow aspects ¯\_(ツ)_/¯
</span>}
}
</code></pre></div></section></main></body></html>