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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">//! App data: redis cache, database connections, etc.
</span><span class="kw">use </span>std::sync::Arc;
<span class="kw">use </span>std::thread;
<span class="kw">use </span>actix::prelude::<span class="kw-2">*</span>;
<span class="kw">use </span>argon2_creds::{Config, ConfigBuilder, PasswordPolicy};
<span class="kw">use </span>lettre::transport::smtp::authentication::Mechanism;
<span class="kw">use </span>lettre::{
transport::smtp::authentication::Credentials, AsyncSmtpTransport, Tokio1Executor,
};
<span class="kw">use </span>libmcaptcha::cache::hashcache::HashCache;
<span class="kw">use </span>libmcaptcha::cache::redis::RedisCache;
<span class="kw">use </span>libmcaptcha::master::redis::master::Master <span class="kw">as </span>RedisMaster;
<span class="kw">use </span>libmcaptcha::redis::RedisConfig;
<span class="kw">use </span>libmcaptcha::{
cache::messages::VerifyCaptchaResult,
cache::Save,
errors::CaptchaResult,
master::messages::{AddSite, RemoveCaptcha, Rename},
master::{embedded::master::Master <span class="kw">as </span>EmbeddedMaster, Master <span class="kw">as </span>MasterTrait},
pow::ConfigBuilder <span class="kw">as </span>PoWConfigBuilder,
pow::PoWConfig,
pow::Work,
system::{System, SystemBuilder},
};
<span class="kw">use </span><span class="kw">crate</span>::db::{<span class="self">self</span>, BoxDB};
<span class="kw">use </span><span class="kw">crate</span>::errors::ServiceResult;
<span class="kw">use </span><span class="kw">crate</span>::settings::Settings;
<span class="kw">use </span><span class="kw">crate</span>::stats::{Dummy, Real, Stats};
<span class="macro">macro_rules! </span>enum_system_actor {
(<span class="macro-nonterminal">$name</span>:ident, <span class="macro-nonterminal">$</span><span class="kw">type</span>:<span class="macro-nonterminal">ident</span>) =&gt; {
<span class="kw">pub async fn </span><span class="macro-nonterminal">$name</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, msg: <span class="macro-nonterminal">$</span><span class="kw">type</span>) -&gt; <span class="macro-nonterminal">ServiceResult</span>&lt;()&gt; {
<span class="kw">match </span><span class="self">self </span>{
<span class="self">Self</span>::Embedded(val) =&gt; val.master.send(msg).<span class="kw">await</span><span class="question-mark">?</span>.<span class="kw">await</span><span class="question-mark">??</span>,
<span class="self">Self</span>::Redis(val) =&gt; val.master.send(msg).<span class="kw">await</span><span class="question-mark">?</span>.<span class="kw">await</span><span class="question-mark">??</span>,
};
<span class="prelude-val">Ok</span>(())
}
};
}
<span class="macro">macro_rules! </span>enum_system_wrapper {
(<span class="macro-nonterminal">$name</span>:ident, <span class="macro-nonterminal">$</span><span class="kw">type</span>:<span class="macro-nonterminal">ty</span>, <span class="macro-nonterminal">$return_type</span>:ty) =&gt; {
<span class="kw">pub async fn </span><span class="macro-nonterminal">$name</span>(<span class="kw-2">&amp;</span><span class="self">self</span>, msg: <span class="macro-nonterminal">$</span><span class="kw">type</span>) -&gt; <span class="macro-nonterminal">$return_type </span>{
<span class="kw">match </span><span class="self">self </span>{
<span class="self">Self</span>::Embedded(val) =&gt; val.<span class="macro-nonterminal">$name</span>(msg).<span class="kw">await</span>,
<span class="self">Self</span>::Redis(val) =&gt; val.<span class="macro-nonterminal">$name</span>(msg).<span class="kw">await</span>,
}
}
};
}
<span class="doccomment">/// Represents mCaptcha cache and master system.
/// When Redis is configured, [SystemGroup::Redis] is used and
/// in its absence, [SystemGroup::Embedded] is used
</span><span class="kw">pub enum </span>SystemGroup {
Embedded(System&lt;HashCache, EmbeddedMaster&gt;),
Redis(System&lt;RedisCache, RedisMaster&gt;),
}
<span class="attr">#[allow(unused_doc_comments)]
</span><span class="kw">impl </span>SystemGroup {
<span class="comment">// TODO find a way to document these methods
// utility function to get difficulty factor of site `id` and cache it
</span><span class="macro">enum_system_wrapper!</span>(get_pow, String, CaptchaResult&lt;<span class="prelude-ty">Option</span>&lt;PoWConfig&gt;&gt;);
<span class="comment">// utility function to verify [Work]
</span><span class="kw">pub async fn </span>verify_pow(
<span class="kw-2">&amp;</span><span class="self">self</span>,
msg: Work,
ip: String,
) -&gt; CaptchaResult&lt;(String, u32)&gt; {
<span class="kw">match </span><span class="self">self </span>{
<span class="self">Self</span>::Embedded(val) =&gt; val.verify_pow(msg, ip).<span class="kw">await</span>,
<span class="self">Self</span>::Redis(val) =&gt; val.verify_pow(msg, ip).<span class="kw">await</span>,
}
}
<span class="comment">// utility function to validate verification tokens
</span><span class="macro">enum_system_wrapper!</span>(
validate_verification_tokens,
VerifyCaptchaResult,
CaptchaResult&lt;bool&gt;
);
<span class="comment">// utility function to AddSite
</span><span class="macro">enum_system_actor!</span>(add_site, AddSite);
<span class="comment">// utility function to rename captcha
</span><span class="macro">enum_system_actor!</span>(rename, Rename);
<span class="comment">// utility function to remove captcha
</span><span class="macro">enum_system_actor!</span>(remove, RemoveCaptcha);
<span class="kw">fn </span>new_system&lt;A: Save, B: MasterTrait&gt;(
s: <span class="kw-2">&amp;</span>Settings,
m: Addr&lt;B&gt;,
c: Addr&lt;A&gt;,
) -&gt; System&lt;A, B&gt; {
<span class="kw">let </span>pow = PoWConfigBuilder::default()
.salt(s.captcha.salt.clone())
.build()
.unwrap();
<span class="kw">let </span>runners = <span class="kw">if let </span><span class="prelude-val">Some</span>(runners) = s.captcha.runners {
runners
} <span class="kw">else </span>{
num_cpus::get_physical()
};
SystemBuilder::default()
.pow(pow)
.cache(c)
.master(m)
.runners(runners)
.queue_length(s.captcha.queue_length)
.build()
}
<span class="comment">// read settings, if Redis is configured then produce a Redis mCaptcha cache
// based SystemGroup
</span><span class="kw">async fn </span>new(s: <span class="kw-2">&amp;</span>Settings) -&gt; <span class="self">Self </span>{
<span class="kw">match </span><span class="kw-2">&amp;</span>s.redis {
<span class="prelude-val">Some</span>(val) =&gt; {
<span class="kw">let </span>master = RedisMaster::new(RedisConfig::Single(val.url.clone()))
.<span class="kw">await
</span>.unwrap()
.start();
<span class="kw">let </span>cache = RedisCache::new(RedisConfig::Single(val.url.clone()))
.<span class="kw">await
</span>.unwrap()
.start();
<span class="kw">let </span>captcha = <span class="self">Self</span>::new_system(s, master, cache);
SystemGroup::Redis(captcha)
}
<span class="prelude-val">None </span>=&gt; {
<span class="kw">let </span>master = EmbeddedMaster::new(s.captcha.gc).start();
<span class="kw">let </span>cache = HashCache::default().start();
<span class="kw">let </span>captcha = <span class="self">Self</span>::new_system(s, master, cache);
SystemGroup::Embedded(captcha)
}
}
}
}
<span class="doccomment">/// App data
</span><span class="kw">pub struct </span>Data {
<span class="doccomment">/// database ops defined by db crates
</span><span class="kw">pub </span>db: BoxDB,
<span class="doccomment">/// credential management configuration
</span><span class="kw">pub </span>creds: Config,
<span class="doccomment">/// mCaptcha system: Redis cache, etc.
</span><span class="kw">pub </span>captcha: SystemGroup,
<span class="doccomment">/// email client
</span><span class="kw">pub </span>mailer: <span class="prelude-ty">Option</span>&lt;Mailer&gt;,
<span class="doccomment">/// app settings
</span><span class="kw">pub </span>settings: Settings,
<span class="doccomment">/// stats recorder
</span><span class="kw">pub </span>stats: Box&lt;<span class="kw">dyn </span>Stats&gt;,
}
<span class="kw">impl </span>Data {
<span class="kw">pub fn </span>get_creds() -&gt; Config {
ConfigBuilder::default()
.username_case_mapped(<span class="bool-val">true</span>)
.profanity(<span class="bool-val">true</span>)
.blacklist(<span class="bool-val">true</span>)
.password_policy(PasswordPolicy::default())
.build()
.unwrap()
}
<span class="attr">#[cfg(not(tarpaulin_include))]
</span><span class="doccomment">/// create new instance of app data
</span><span class="kw">pub async fn </span>new(s: <span class="kw-2">&amp;</span>Settings) -&gt; Arc&lt;<span class="self">Self</span>&gt; {
<span class="kw">let </span>creds = <span class="self">Self</span>::get_creds();
<span class="kw">let </span>c = creds.clone();
<span class="attr">#[allow(unused_variables)]
</span><span class="kw">let </span>init = thread::spawn(<span class="kw">move </span>|| {
<span class="macro">log::info!</span>(<span class="string">&quot;Initializing credential manager&quot;</span>);
c.init();
<span class="macro">log::info!</span>(<span class="string">&quot;Initialized credential manager&quot;</span>);
});
<span class="kw">let </span>db = <span class="kw">match </span>s.database.database_type {
<span class="kw">crate</span>::settings::DBType::Maria =&gt; db::maria::get_data(<span class="prelude-val">Some</span>(s.clone())).<span class="kw">await</span>,
<span class="kw">crate</span>::settings::DBType::Postgres =&gt; db::pg::get_data(<span class="prelude-val">Some</span>(s.clone())).<span class="kw">await</span>,
};
<span class="kw">let </span>stats: Box&lt;<span class="kw">dyn </span>Stats&gt; = <span class="kw">if </span>s.captcha.enable_stats {
Box::&lt;Real&gt;::default()
} <span class="kw">else </span>{
Box::&lt;Dummy&gt;::default()
};
<span class="kw">let </span>data = Data {
creds,
db,
captcha: SystemGroup::new(s).<span class="kw">await</span>,
mailer: <span class="self">Self</span>::get_mailer(s),
settings: s.clone(),
stats,
};
<span class="attr">#[cfg(not(debug_assertions))]
</span>init.join().unwrap();
Arc::new(data)
}
<span class="kw">fn </span>get_mailer(s: <span class="kw-2">&amp;</span>Settings) -&gt; <span class="prelude-ty">Option</span>&lt;Mailer&gt; {
<span class="kw">if let </span><span class="prelude-val">Some</span>(smtp) = s.smtp.as_ref() {
<span class="kw">let </span>creds =
Credentials::new(smtp.username.to_string(), smtp.password.to_string()); <span class="comment">// &quot;smtp_username&quot;.to_string(), &quot;smtp_password&quot;.to_string());
</span><span class="kw">let </span>mailer: Mailer =
AsyncSmtpTransport::&lt;Tokio1Executor&gt;::builder_dangerous(<span class="kw-2">&amp;</span>smtp.url)
.port(smtp.port)
.credentials(creds)
.authentication(<span class="macro">vec!</span>[
Mechanism::Login,
Mechanism::Xoauth2,
Mechanism::Plain,
])
.build();
<span class="comment">// let mailer: Mailer = AsyncSmtpTransport::&lt;Tokio1Executor&gt;::relay(&amp;smtp.url) //&quot;smtp.gmail.com&quot;)
// .unwrap()
// .credentials(creds)
// .build();
</span><span class="prelude-val">Some</span>(mailer)
} <span class="kw">else </span>{
<span class="prelude-val">None
</span>}
}
}
<span class="doccomment">/// Mailer data type AsyncSmtpTransport&lt;Tokio1Executor&gt;
</span><span class="kw">pub type </span>Mailer = AsyncSmtpTransport&lt;Tokio1Executor&gt;;
</code></pre></div></section></main></body></html>