mCaptcha/src/mcaptcha/api/v1/pow/get_config.rs.html
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</pre><div class="example-wrap"><pre class="rust ">
<span class="comment">/*
* Copyright (C) 2021 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;.
*/</span>
<span class="comment">//use actix::prelude::*;</span>
<span class="kw">use</span> <span class="ident">actix_web</span>::{<span class="ident">web</span>, <span class="ident">HttpResponse</span>, <span class="ident">Responder</span>};
<span class="kw">use</span> <span class="ident">libmcaptcha</span>::{
<span class="ident">defense::LevelBuilder</span>, <span class="ident">master::messages::AddSiteBuilder</span>, <span class="ident">DefenseBuilder</span>,
<span class="ident">MCaptchaBuilder</span>,
};
<span class="kw">use</span> <span class="ident">serde</span>::{<span class="ident">Deserialize</span>, <span class="ident">Serialize</span>};
<span class="kw">use</span> <span class="kw">super</span><span class="ident">::GetDurationResp</span>;
<span class="kw">use</span> <span class="kw">super</span><span class="ident">::I32Levels</span>;
<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::errors</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::stats::record::record_fetch</span>;
<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::AppData</span>;
<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::V1_API_ROUTES</span>;
<span class="comment">//#[derive(Clone, Debug, Deserialize, Serialize)]</span>
<span class="comment">//pub struct PoWConfig {</span>
<span class="comment">// pub name: String,</span>
<span class="comment">// pub domain: String,</span>
<span class="comment">//}</span>
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Clone</span>, <span class="ident">Debug</span>, <span class="ident">Deserialize</span>, <span class="ident">Serialize</span>)]</span>
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">GetConfigPayload</span> {
<span class="kw">pub</span> <span class="ident">key</span>: <span class="ident">String</span>,
}
<span class="comment">// API keys are mcaptcha actor names</span>
<span class="doccomment">/// get PoW configuration for an mcaptcha key</span>
<span class="attribute">#[<span class="ident">my_codegen::post</span>(
<span class="ident">path</span> <span class="op">=</span> <span class="string">&quot;V1_API_ROUTES.pow.get_config.strip_prefix(V1_API_ROUTES.pow.scope).unwrap()&quot;</span>
)]</span>
<span class="kw">pub</span> <span class="kw">async</span> <span class="kw">fn</span> <span class="ident">get_config</span>(
<span class="ident">payload</span>: <span class="ident">web::Json</span><span class="op">&lt;</span><span class="ident">GetConfigPayload</span><span class="op">&gt;</span>,
<span class="ident">data</span>: <span class="ident">AppData</span>,
) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">ServiceResult</span><span class="op">&lt;</span><span class="kw">impl</span> <span class="ident">Responder</span><span class="op">&gt;</span> {
<span class="kw">let</span> <span class="ident">res</span> <span class="op">=</span> <span class="macro">sqlx::query!</span>(
<span class="string">&quot;SELECT EXISTS (SELECT 1 from mcaptcha_config WHERE key = $1)&quot;</span>,
<span class="kw-2">&amp;</span><span class="ident">payload</span>.<span class="ident">key</span>,
)
.<span class="ident">fetch_one</span>(<span class="kw-2">&amp;</span><span class="ident">data</span>.<span class="ident">db</span>)
.<span class="kw">await</span><span class="question-mark">?</span>;
<span class="kw">if</span> <span class="ident">res</span>.<span class="ident">exists</span>.<span class="ident">is_none</span>() {
<span class="kw">return</span> <span class="prelude-val">Err</span>(<span class="ident">ServiceError::TokenNotFound</span>);
}
<span class="kw">let</span> <span class="ident">payload</span> <span class="op">=</span> <span class="ident">payload</span>.<span class="ident">into_inner</span>();
<span class="kw">match</span> <span class="ident">res</span>.<span class="ident">exists</span> {
<span class="prelude-val">Some</span>(<span class="bool-val">true</span>) <span class="op">=</span><span class="op">&gt;</span> {
<span class="kw">match</span> <span class="ident">data</span>.<span class="ident">captcha</span>.<span class="ident">get_pow</span>(<span class="ident">payload</span>.<span class="ident">key</span>.<span class="ident">clone</span>()).<span class="kw">await</span> {
<span class="prelude-val">Some</span>(<span class="ident">config</span>) <span class="op">=</span><span class="op">&gt;</span> {
<span class="ident">record_fetch</span>(<span class="kw-2">&amp;</span><span class="ident">payload</span>.<span class="ident">key</span>, <span class="kw-2">&amp;</span><span class="ident">data</span>.<span class="ident">db</span>).<span class="kw">await</span>;
<span class="prelude-val">Ok</span>(<span class="ident">HttpResponse::Ok</span>().<span class="ident">json</span>(<span class="ident">config</span>))
}
<span class="prelude-val">None</span> <span class="op">=</span><span class="op">&gt;</span> {
<span class="ident">init_mcaptcha</span>(<span class="kw-2">&amp;</span><span class="ident">data</span>, <span class="kw-2">&amp;</span><span class="ident">payload</span>.<span class="ident">key</span>).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="kw">let</span> <span class="ident">config</span> <span class="op">=</span> <span class="ident">data</span>
.<span class="ident">captcha</span>
.<span class="ident">get_pow</span>(<span class="ident">payload</span>.<span class="ident">key</span>.<span class="ident">clone</span>())
.<span class="kw">await</span>
.<span class="ident">expect</span>(<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</span>
<span class="comment">// to satidfy lifetime</span>
<span class="ident">record_fetch</span>(<span class="kw-2">&amp;</span><span class="ident">payload</span>.<span class="ident">key</span>, <span class="kw-2">&amp;</span><span class="ident">data</span>.<span class="ident">db</span>).<span class="kw">await</span>;
<span class="prelude-val">Ok</span>(<span class="ident">HttpResponse::Ok</span>().<span class="ident">json</span>(<span class="ident">config</span>))
}
}
}
<span class="prelude-val">Some</span>(<span class="bool-val">false</span>) <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Err</span>(<span class="ident">ServiceError::TokenNotFound</span>),
<span class="prelude-val">None</span> <span class="op">=</span><span class="op">&gt;</span> <span class="prelude-val">Err</span>(<span class="ident">ServiceError::TokenNotFound</span>),
}
}
<span class="doccomment">/// Call this when [MCaptcha][libmcaptcha::MCaptcha] is not in master.</span>
<span class="doccomment">///</span>
<span class="doccomment">/// This fn gets mcaptcha config from database, builds [Defense][libmcaptcha::Defense],</span>
<span class="doccomment">/// creates [MCaptcha][libmcaptcha::MCaptcha] and adds it to [Master][libmcaptcha::Defense]</span>
<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">init_mcaptcha</span>(<span class="ident">data</span>: <span class="kw-2">&amp;</span><span class="ident">AppData</span>, <span class="ident">key</span>: <span class="kw-2">&amp;</span><span class="ident">str</span>) <span class="op">-</span><span class="op">&gt;</span> <span class="ident">ServiceResult</span><span class="op">&lt;</span>()<span class="op">&gt;</span> {
<span class="comment">// get levels</span>
<span class="kw">let</span> <span class="ident">levels_fut</span> <span class="op">=</span> <span class="macro">sqlx::query_as!</span>(
<span class="ident">I32Levels</span>,
<span class="string">&quot;SELECT difficulty_factor, visitor_threshold FROM mcaptcha_levels WHERE
config_id = (
SELECT config_id FROM mcaptcha_config WHERE key = ($1)
) ORDER BY difficulty_factor ASC;&quot;</span>,
<span class="kw-2">&amp;</span><span class="ident">key</span>,
)
.<span class="ident">fetch_all</span>(<span class="kw-2">&amp;</span><span class="ident">data</span>.<span class="ident">db</span>);
<span class="comment">// get duration</span>
<span class="kw">let</span> <span class="ident">duration_fut</span> <span class="op">=</span> <span class="macro">sqlx::query_as!</span>(
<span class="ident">GetDurationResp</span>,
<span class="string">&quot;SELECT duration FROM mcaptcha_config
WHERE key = $1&quot;</span>,
<span class="kw-2">&amp;</span><span class="ident">key</span>,
)
.<span class="ident">fetch_one</span>(<span class="kw-2">&amp;</span><span class="ident">data</span>.<span class="ident">db</span>);
<span class="comment">//let (levels, duration) = futures::try_join!(levels_fut, duration_fut).await?;</span>
<span class="kw">let</span> (<span class="ident">levels</span>, <span class="ident">duration</span>) <span class="op">=</span> <span class="macro">futures::try_join!</span>(<span class="ident">levels_fut</span>, <span class="ident">duration_fut</span>)<span class="question-mark">?</span>;
<span class="comment">// build defense</span>
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">defense</span> <span class="op">=</span> <span class="ident">DefenseBuilder::default</span>();
<span class="kw">for</span> <span class="ident">level</span> <span class="kw">in</span> <span class="ident">levels</span>.<span class="ident">iter</span>() {
<span class="kw">let</span> <span class="ident">level</span> <span class="op">=</span> <span class="ident">LevelBuilder::default</span>()
.<span class="ident">visitor_threshold</span>(<span class="ident">level</span>.<span class="ident">visitor_threshold</span> <span class="kw">as</span> <span class="ident">u32</span>)
.<span class="ident">difficulty_factor</span>(<span class="ident">level</span>.<span class="ident">difficulty_factor</span> <span class="kw">as</span> <span class="ident">u32</span>)
.<span class="ident">unwrap</span>()
.<span class="ident">build</span>()
.<span class="ident">unwrap</span>();
<span class="ident">defense</span>.<span class="ident">add_level</span>(<span class="ident">level</span>).<span class="ident">unwrap</span>();
}
<span class="kw">let</span> <span class="ident">defense</span> <span class="op">=</span> <span class="ident">defense</span>.<span class="ident">build</span>()<span class="question-mark">?</span>;
<span class="comment">// create captcha</span>
<span class="kw">let</span> <span class="ident">mcaptcha</span> <span class="op">=</span> <span class="ident">MCaptchaBuilder::default</span>()
.<span class="ident">defense</span>(<span class="ident">defense</span>)
<span class="comment">// leaky bucket algorithm&#39;s emission interval</span>
.<span class="ident">duration</span>(<span class="ident">duration</span>.<span class="ident">duration</span> <span class="kw">as</span> <span class="ident">u64</span>)
<span class="comment">// .cache(cache)</span>
.<span class="ident">build</span>()
.<span class="ident">unwrap</span>();
<span class="comment">// add captcha to master</span>
<span class="kw">let</span> <span class="ident">msg</span> <span class="op">=</span> <span class="ident">AddSiteBuilder::default</span>()
.<span class="ident">id</span>(<span class="ident">key</span>.<span class="ident">into</span>())
.<span class="ident">mcaptcha</span>(<span class="ident">mcaptcha</span>)
.<span class="ident">build</span>()
.<span class="ident">unwrap</span>();
<span class="ident">data</span>.<span class="ident">captcha</span>.<span class="ident">add_site</span>(<span class="ident">msg</span>).<span class="kw">await</span><span class="question-mark">?</span>;
<span class="prelude-val">Ok</span>(())
}
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
<span class="kw">mod</span> <span class="ident">tests</span> {
<span class="kw">use</span> <span class="ident">actix_web::http</span>::{<span class="ident">header</span>, <span class="ident">StatusCode</span>};
<span class="kw">use</span> <span class="ident">actix_web::test</span>;
<span class="kw">use</span> <span class="ident">libmcaptcha::pow::PoWConfig</span>;
<span class="kw">use</span> <span class="kw">super</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="kw">crate</span><span class="ident">::tests</span>::<span class="kw-2">*</span>;
<span class="kw">use</span> <span class="kw">crate</span>::<span class="kw-2">*</span>;
<span class="attribute">#[<span class="ident">test</span>]</span>
<span class="kw">fn</span> <span class="ident">feature</span>() {
<span class="ident">actix_rt::System::new</span>().<span class="ident">block_on</span>(<span class="kw">async</span> <span class="kw">move</span> { <span class="ident">get_pow_config_works</span>().<span class="kw">await</span> });
}
<span class="kw">async</span> <span class="kw">fn</span> <span class="ident">get_pow_config_works</span>() {
<span class="kw">const</span> <span class="ident">NAME</span>: <span class="kw-2">&amp;</span><span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;powusrworks&quot;</span>;
<span class="kw">const</span> <span class="ident">PASSWORD</span>: <span class="kw-2">&amp;</span><span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;testingpas&quot;</span>;
<span class="kw">const</span> <span class="ident">EMAIL</span>: <span class="kw-2">&amp;</span><span class="ident">str</span> <span class="op">=</span> <span class="string">&quot;randomuser@a.com&quot;</span>;
{
<span class="kw">let</span> <span class="ident">data</span> <span class="op">=</span> <span class="ident">Data::new</span>().<span class="kw">await</span>;
<span class="ident">delete_user</span>(<span class="ident">NAME</span>, <span class="kw-2">&amp;</span><span class="ident">data</span>).<span class="kw">await</span>;
}
<span class="ident">register_and_signin</span>(<span class="ident">NAME</span>, <span class="ident">EMAIL</span>, <span class="ident">PASSWORD</span>).<span class="kw">await</span>;
<span class="kw">let</span> (<span class="ident">data</span>, <span class="kw">_</span>, <span class="ident">signin_resp</span>, <span class="ident">token_key</span>) <span class="op">=</span> <span class="ident">add_levels_util</span>(<span class="ident">NAME</span>, <span class="ident">PASSWORD</span>).<span class="kw">await</span>;
<span class="kw">let</span> <span class="ident">cookies</span> <span class="op">=</span> <span class="macro">get_cookie!</span>(<span class="ident">signin_resp</span>);
<span class="kw">let</span> <span class="ident">app</span> <span class="op">=</span> <span class="macro">get_app!</span>(<span class="ident">data</span>).<span class="kw">await</span>;
<span class="kw">let</span> <span class="ident">get_config_payload</span> <span class="op">=</span> <span class="ident">GetConfigPayload</span> {
<span class="ident">key</span>: <span class="ident">token_key</span>.<span class="ident">key</span>.<span class="ident">clone</span>(),
};
<span class="comment">// update and check changes</span>
<span class="kw">let</span> <span class="ident">get_config_resp</span> <span class="op">=</span> <span class="ident">test::call_service</span>(
<span class="kw-2">&amp;</span><span class="ident">app</span>,
<span class="macro">post_request!</span>(<span class="kw-2">&amp;</span><span class="ident">get_config_payload</span>, <span class="ident">V1_API_ROUTES</span>.<span class="ident">pow</span>.<span class="ident">get_config</span>)
.<span class="ident">cookie</span>(<span class="ident">cookies</span>.<span class="ident">clone</span>())
.<span class="ident">to_request</span>(),
)
.<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(<span class="ident">get_config_resp</span>.<span class="ident">status</span>(), <span class="ident">StatusCode::OK</span>);
<span class="kw">let</span> <span class="ident">config</span>: <span class="ident">PoWConfig</span> <span class="op">=</span> <span class="ident">test::read_body_json</span>(<span class="ident">get_config_resp</span>).<span class="kw">await</span>;
<span class="macro">assert_eq!</span>(<span class="ident">config</span>.<span class="ident">difficulty_factor</span>, <span class="ident">L1</span>.<span class="ident">difficulty_factor</span>);
}
}
</pre></div>
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