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</pre><pre class="rust"><code><span class="comment">/*
* Copyright (C) 2022 Aravinth Manivannan &lt;realaravinth@batsense.net&gt;
*
* 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 &lt;https://www.gnu.org/licenses/&gt;.
*/
//use actix::prelude::*;
</span><span class="kw">use </span>actix_web::{web, HttpResponse, Responder};
<span class="kw">use </span>libmcaptcha::{
defense::LevelBuilder, master::messages::AddSiteBuilder, DefenseBuilder,
MCaptchaBuilder,
};
<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="comment">//use crate::stats::record::record_fetch;
</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="attribute">#[derive(Clone, Debug, Deserialize, Serialize)]
</span><span class="kw">pub struct </span>GetConfigPayload {
<span class="kw">pub </span>key: String,
}
<span class="comment">// API keys are mcaptcha actor names
</span><span class="doccomment">/// get PoW configuration for an mcaptcha key
</span><span class="attribute">#[my_codegen::post(path = <span class="string">&quot;V1_API_ROUTES.pow.get_config()&quot;</span>)]
</span><span class="kw">pub async fn </span>get_config(
payload: web::Json&lt;GetConfigPayload&gt;,
data: AppData,
) -&gt; ServiceResult&lt;<span class="kw">impl </span>Responder&gt; {
<span class="comment">//if res.exists.is_none() {
</span><span class="kw">if </span>!data.db.captcha_exists(<span class="prelude-val">None</span>, <span class="kw-2">&amp;</span>payload.key).<span class="kw">await</span><span class="question-mark">? </span>{
<span class="kw">return </span><span class="prelude-val">Err</span>(ServiceError::TokenNotFound);
}
<span class="kw">let </span>payload = payload.into_inner();
<span class="kw">match </span>data.captcha.get_pow(payload.key.clone()).<span class="kw">await </span>{
<span class="prelude-val">Ok</span>(<span class="prelude-val">Some</span>(config)) =&gt; {
data.stats.record_fetch(<span class="kw-2">&amp;</span>data, <span class="kw-2">&amp;</span>payload.key).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(HttpResponse::Ok().json(config))
}
<span class="prelude-val">Ok</span>(<span class="prelude-val">None</span>) =&gt; {
init_mcaptcha(<span class="kw-2">&amp;</span>data, <span class="kw-2">&amp;</span>payload.key).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="kw">let </span>config = data
.captcha
.get_pow(payload.key.clone())
.<span class="kw">await
</span>.expect(<span class="string">&quot;mcaptcha should be initialized and ready to go&quot;</span>);
<span class="comment">// background it. would require data::Data to be static
// to satidfy lifetime
</span>data.stats.record_fetch(<span class="kw-2">&amp;</span>data, <span class="kw-2">&amp;</span>payload.key).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(HttpResponse::Ok().json(config))
}
<span class="prelude-val">Err</span>(e) =&gt; <span class="prelude-val">Err</span>(e.into()),
}
<span class="comment">// match res.exists {
// Some(true) =&gt; {
// match data.captcha.get_pow(payload.key.clone()).await {
// Ok(Some(config)) =&gt; {
// record_fetch(&amp;payload.key, &amp;data.db).await;
// Ok(HttpResponse::Ok().json(config))
// }
// Ok(None) =&gt; {
// init_mcaptcha(&amp;data, &amp;payload.key).await?;
// let config = data
// .captcha
// .get_pow(payload.key.clone())
// .await
// .expect(&quot;mcaptcha should be initialized and ready to go&quot;);
// // background it. would require data::Data to be static
// // to satidfy lifetime
// record_fetch(&amp;payload.key, &amp;data.db).await;
// Ok(HttpResponse::Ok().json(config))
// }
// Err(e) =&gt; Err(e.into()),
// }
// }
//
// Some(false) =&gt; Err(ServiceError::TokenNotFound),
// None =&gt; Err(ServiceError::TokenNotFound),
// }
</span>}
<span class="doccomment">/// Call this when [MCaptcha][libmcaptcha::MCaptcha] is not in master.
///
/// This fn gets mcaptcha config from database, builds [Defense][libmcaptcha::Defense],
/// creates [MCaptcha][libmcaptcha::MCaptcha] and adds it to [Master][libmcaptcha::Defense]
</span><span class="kw">pub async fn </span>init_mcaptcha(data: <span class="kw-2">&amp;</span>AppData, key: <span class="kw-2">&amp;</span>str) -&gt; ServiceResult&lt;()&gt; {
<span class="macro">println!</span>(<span class="string">&quot;Initializing captcha&quot;</span>);
<span class="comment">// get levels
</span><span class="kw">let </span>levels = data.db.get_captcha_levels(<span class="prelude-val">None</span>, key).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="kw">let </span>duration = data.db.get_captcha_cooldown(key).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="comment">// build defense
</span><span class="kw">let </span><span class="kw-2">mut </span>defense = DefenseBuilder::default();
<span class="kw">for </span>level <span class="kw">in </span>levels.iter() {
<span class="kw">let </span>level = LevelBuilder::default()
.visitor_threshold(level.visitor_threshold <span class="kw">as </span>u32)
.difficulty_factor(level.difficulty_factor <span class="kw">as </span>u32)
.unwrap()
.build()
.unwrap();
defense.add_level(level).unwrap();
}
<span class="kw">let </span>defense = defense.build()<span class="question-mark">?</span>;
<span class="macro">println!</span>(<span class="string">&quot;{:?}&quot;</span>, defense);
<span class="comment">// create captcha
</span><span class="kw">let </span>mcaptcha = MCaptchaBuilder::default()
.defense(defense)
<span class="comment">// leaky bucket algorithm&#39;s emission interval
</span>.duration(duration <span class="kw">as </span>u64)
<span class="comment">// .cache(cache)
</span>.build()
.unwrap();
<span class="comment">// add captcha to master
</span><span class="kw">let </span>msg = AddSiteBuilder::default()
.id(key.into())
.mcaptcha(mcaptcha)
.build()
.unwrap();
data.captcha.add_site(msg).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="attribute">#[cfg(test)]
</span><span class="kw">pub mod </span>tests {
<span class="kw">use crate</span>::<span class="kw-2">*</span>;
<span class="kw">use </span>libmcaptcha::pow::PoWConfig;
<span class="attribute">#[actix_rt::test]
</span><span class="kw">async fn </span>get_pow_config_works_pg() {
<span class="kw">let </span>data = <span class="kw">crate</span>::tests::pg::get_data().<span class="kw">await</span>;
get_pow_config_works(data).<span class="kw">await</span>;
}
<span class="attribute">#[actix_rt::test]
</span><span class="kw">async fn </span>get_pow_config_works_maria() {
<span class="kw">let </span>data = <span class="kw">crate</span>::tests::maria::get_data().<span class="kw">await</span>;
get_pow_config_works(data).<span class="kw">await</span>;
}
<span class="kw">pub async fn </span>get_pow_config_works(data: ArcData) {
<span class="kw">use super</span>::<span class="kw-2">*</span>;
<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="kw">use </span>actix_web::test;
<span class="kw">const </span>NAME: <span class="kw-2">&amp;</span>str = <span class="string">&quot;powusrworks&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;randomuser@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>url = V1_API_ROUTES.pow.get_config;
<span class="macro">println!</span>(<span class="string">&quot;{}&quot;</span>, <span class="kw-2">&amp;</span>url);
<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="macro">assert_eq!</span>(config.difficulty_factor, L1.difficulty_factor);
}
<span class="attribute">#[actix_rt::test]
</span><span class="kw">async fn </span>pow_difficulty_factor_increases_on_visitor_count_increase_pg() {
<span class="kw">let </span>data = <span class="kw">crate</span>::tests::pg::get_data().<span class="kw">await</span>;
pow_difficulty_factor_increases_on_visitor_count_increase(data).<span class="kw">await</span>;
}
<span class="attribute">#[actix_rt::test]
</span><span class="kw">async fn </span>pow_difficulty_factor_increases_on_visitor_count_increase_maria() {
<span class="kw">let </span>data = <span class="kw">crate</span>::tests::maria::get_data().<span class="kw">await</span>;
pow_difficulty_factor_increases_on_visitor_count_increase(data).<span class="kw">await</span>;
}
<span class="kw">pub async fn </span>pow_difficulty_factor_increases_on_visitor_count_increase(
data: ArcData,
) {
<span class="kw">use super</span>::<span class="kw-2">*</span>;
<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="kw">use </span>actix_web::test;
<span class="kw">use </span>libmcaptcha::defense::Level;
<span class="kw">use </span><span class="kw">crate</span>::api::v1::mcaptcha::create::CreateCaptcha;
<span class="kw">use </span><span class="kw">crate</span>::api::v1::mcaptcha::create::MCaptchaDetails;
<span class="kw">const </span>NAME: <span class="kw-2">&amp;</span>str = <span class="string">&quot;powusrworks2&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;randomuser2@a.com&quot;</span>;
<span class="kw">pub const </span>L1: Level = Level {
difficulty_factor: <span class="number">10</span>,
visitor_threshold: <span class="number">10</span>,
};
<span class="kw">pub const </span>L2: Level = Level {
difficulty_factor: <span class="number">20</span>,
visitor_threshold: <span class="number">20</span>,
};
<span class="kw">pub const </span>L3: Level = Level {
difficulty_factor: <span class="number">30</span>,
visitor_threshold: <span class="number">30</span>,
};
<span class="kw">let </span>data = <span class="kw-2">&amp;</span>data;
<span class="kw">let </span>levels = [L1, L2, L3];
delete_user(data, NAME).<span class="kw">await</span>;
<span class="kw">let </span>(<span class="kw">_</span>, signin_resp) = register_and_signin(data, NAME, EMAIL, PASSWORD).<span class="kw">await</span>;
<span class="kw">let </span>cookies = <span class="macro">get_cookie!</span>(signin_resp);
<span class="kw">let </span>app = <span class="macro">get_app!</span>(data).<span class="kw">await</span>;
<span class="kw">let </span>create_captcha = CreateCaptcha {
levels: levels.into(),
duration: <span class="number">30</span>,
description: <span class="string">&quot;dummy&quot;</span>.into(),
};
<span class="comment">// 1. add level
</span><span class="kw">let </span>add_token_resp = test::call_service(
<span class="kw-2">&amp;</span>app,
<span class="macro">post_request!</span>(<span class="kw-2">&amp;</span>create_captcha, V1_API_ROUTES.captcha.create)
.cookie(cookies.clone())
.to_request(),
)
.<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(add_token_resp.status(), StatusCode::OK);
<span class="kw">let </span>token_key: MCaptchaDetails = test::read_body_json(add_token_resp).<span class="kw">await</span>;
<span class="kw">let </span>get_config_payload = GetConfigPayload {
key: token_key.key.clone(),
};
<span class="kw">let </span>url = V1_API_ROUTES.pow.get_config;
<span class="kw">let </span><span class="kw-2">mut </span>prev = <span class="number">0</span>;
<span class="kw">for </span>(count, l) <span class="kw">in </span>levels.iter().enumerate() {
<span class="kw">for </span>l <span class="kw">in </span>prev..l.visitor_threshold * <span class="number">2 </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="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="kw">let </span>config: PoWConfig = test::read_body_json(get_config_resp).<span class="kw">await</span>;
<span class="macro">println!</span>(
<span class="string">&quot;[{count}] received difficulty_factor: {} prev difficulty_factor {}&quot;</span>,
config.difficulty_factor, prev
);
<span class="kw">if </span>count == levels.len() - <span class="number">1 </span>{
<span class="macro">assert!</span>(config.difficulty_factor == prev);
} <span class="kw">else </span>{
<span class="macro">assert!</span>(config.difficulty_factor &gt; prev);
}
prev = config.difficulty_factor;
}
<span class="comment">// update and check changes
</span>}
}
</code></pre></div>
</section></div></main><div id="rustdoc-vars" data-root-path="../../../../../" data-current-crate="mcaptcha" data-themes="ayu,dark,light" data-resource-suffix="" data-rustdoc-version="1.66.0 (69f9c33d7 2022-12-12)" ></div></body></html>