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<!DOCTYPE html><html lang="en"><head><meta charset="utf-8"><meta name="viewport" content="width=device-width, initial-scale=1.0"><meta name="generator" content="rustdoc"><meta name="description" content="Source of the Rust file `src/settings.rs`."><meta name="keywords" content="rust, rustlang, rust-lang"><title>settings.rs - source</title><link rel="stylesheet" type="text/css" href="../../normalize.css"><link rel="stylesheet" type="text/css" href="../../rustdoc.css" id="mainThemeStyle"><link rel="stylesheet" type="text/css" href="../../light.css" id="themeStyle"><link rel="stylesheet" type="text/css" href="../../dark.css" disabled ><link rel="stylesheet" type="text/css" href="../../ayu.css" disabled ><script id="default-settings"></script><script src="../../storage.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="icon" type="image/svg+xml" href="../../favicon.svg">
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<a id="settings-menu" href="../../settings.html"><img src="../../wheel.svg" width="18" alt="Change settings"></a></div></form></nav><section id="main" class="content"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><div class="example-wrap"><pre class="rust ">
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<span class="comment">/*
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* Copyright (C) 2021 Aravinth Manivannan <realaravinth@batsense.net>
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU Affero General Public License as
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* published by the Free Software Foundation, either version 3 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU Affero General Public License for more details.
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*
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* You should have received a copy of the GNU Affero General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/</span>
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<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">env</span>;
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<span class="kw">use</span> <span class="ident">std</span>::<span class="ident">path</span>::<span class="ident">Path</span>;
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<span class="kw">use</span> <span class="ident">config</span>::{<span class="ident">Config</span>, <span class="ident">ConfigError</span>, <span class="ident">Environment</span>, <span class="ident">File</span>};
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<span class="kw">use</span> <span class="ident">log</span>::<span class="ident">debug</span>;
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<span class="kw">use</span> <span class="ident">serde</span>::<span class="ident">Deserialize</span>;
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<span class="kw">use</span> <span class="ident">url</span>::<span class="ident">Url</span>;
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<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Deserialize</span>)]</span>
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<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Server</span> {
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<span class="kw">pub</span> <span class="ident">allow_registration</span>: <span class="ident">bool</span>,
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<span class="kw">pub</span> <span class="ident">port</span>: <span class="ident">u32</span>,
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<span class="kw">pub</span> <span class="ident">domain</span>: <span class="ident">String</span>,
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<span class="kw">pub</span> <span class="ident">cookie_secret</span>: <span class="ident">String</span>,
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<span class="kw">pub</span> <span class="ident">ip</span>: <span class="ident">String</span>,
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<span class="kw">pub</span> <span class="ident">url_prefix</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></span>,
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}
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<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Deserialize</span>)]</span>
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<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Captcha</span> {
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<span class="kw">pub</span> <span class="ident">salt</span>: <span class="ident">String</span>,
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<span class="kw">pub</span> <span class="ident">gc</span>: <span class="ident">u64</span>,
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}
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<span class="kw">impl</span> <span class="ident">Server</span> {
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<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
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<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">get_ip</span>(<span class="kw-2">&</span><span class="self">self</span>) <span class="op">-</span><span class="op">></span> <span class="ident">String</span> {
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<span class="macro">format</span><span class="macro">!</span>(<span class="string">"{}:{}"</span>, <span class="self">self</span>.<span class="ident">ip</span>, <span class="self">self</span>.<span class="ident">port</span>)
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}
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}
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<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Deserialize</span>)]</span>
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<span class="kw">struct</span> <span class="ident">DatabaseBuilder</span> {
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<span class="kw">pub</span> <span class="ident">port</span>: <span class="ident">u32</span>,
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<span class="kw">pub</span> <span class="ident">hostname</span>: <span class="ident">String</span>,
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<span class="kw">pub</span> <span class="ident">username</span>: <span class="ident">String</span>,
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<span class="kw">pub</span> <span class="ident">password</span>: <span class="ident">String</span>,
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<span class="kw">pub</span> <span class="ident">name</span>: <span class="ident">String</span>,
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<span class="kw">pub</span> <span class="ident">url</span>: <span class="ident">String</span>,
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}
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<span class="kw">impl</span> <span class="ident">DatabaseBuilder</span> {
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<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
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<span class="kw">fn</span> <span class="ident">extract_database_url</span>(<span class="ident">url</span>: <span class="kw-2">&</span><span class="ident">Url</span>) <span class="op">-</span><span class="op">></span> <span class="self">Self</span> {
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<span class="macro">debug</span><span class="macro">!</span>(<span class="string">"Databse name: {}"</span>, <span class="ident">url</span>.<span class="ident">path</span>());
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">path</span> <span class="op">=</span> <span class="ident">url</span>.<span class="ident">path</span>().<span class="ident">split</span>(<span class="string">"/"</span>);
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<span class="ident">path</span>.<span class="ident">next</span>();
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<span class="kw">let</span> <span class="ident">name</span> <span class="op">=</span> <span class="ident">path</span>.<span class="ident">next</span>().<span class="ident">expect</span>(<span class="string">"no database name"</span>).<span class="ident">to_string</span>();
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<span class="ident">DatabaseBuilder</span> {
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||
<span class="ident">port</span>: <span class="ident">url</span>.<span class="ident">port</span>().<span class="ident">expect</span>(<span class="string">"Enter database port"</span>).<span class="ident">into</span>(),
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||
<span class="ident">hostname</span>: <span class="ident">url</span>.<span class="ident">host</span>().<span class="ident">expect</span>(<span class="string">"Enter database host"</span>).<span class="ident">to_string</span>(),
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||
<span class="ident">username</span>: <span class="ident">url</span>.<span class="ident">username</span>().<span class="ident">into</span>(),
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<span class="ident">url</span>: <span class="ident">url</span>.<span class="ident">to_string</span>(),
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<span class="ident">password</span>: <span class="ident">url</span>.<span class="ident">password</span>().<span class="ident">expect</span>(<span class="string">"Enter database password"</span>).<span class="ident">into</span>(),
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||
<span class="ident">name</span>,
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||
}
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||
}
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||
}
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||
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||
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Deserialize</span>)]</span>
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||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Database</span> {
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||
<span class="kw">pub</span> <span class="ident">url</span>: <span class="ident">String</span>,
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||
<span class="kw">pub</span> <span class="ident">pool</span>: <span class="ident">u32</span>,
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||
}
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||
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||
<span class="attribute">#[<span class="ident">derive</span>(<span class="ident">Debug</span>, <span class="ident">Clone</span>, <span class="ident">Deserialize</span>)]</span>
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||
<span class="kw">pub</span> <span class="kw">struct</span> <span class="ident">Settings</span> {
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||
<span class="kw">pub</span> <span class="ident">debug</span>: <span class="ident">bool</span>,
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||
<span class="kw">pub</span> <span class="ident">database</span>: <span class="ident">Database</span>,
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||
<span class="kw">pub</span> <span class="ident">server</span>: <span class="ident">Server</span>,
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||
<span class="kw">pub</span> <span class="ident">pow</span>: <span class="ident">Captcha</span>,
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||
<span class="kw">pub</span> <span class="ident">source_code</span>: <span class="ident">String</span>,
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||
}
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||
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<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
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||
<span class="kw">impl</span> <span class="ident">Settings</span> {
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<span class="kw">pub</span> <span class="kw">fn</span> <span class="ident">new</span>() <span class="op">-</span><span class="op">></span> <span class="prelude-ty">Result</span><span class="op"><</span><span class="self">Self</span>, <span class="ident">ConfigError</span><span class="op">></span> {
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||
<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">s</span> <span class="op">=</span> <span class="ident">Config</span>::<span class="ident">new</span>();
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||
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||
<span class="comment">// setting default values</span>
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<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">test</span>)]</span>
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<span class="ident">s</span>.<span class="ident">set_default</span>(<span class="string">"database.pool"</span>, <span class="number">2</span>.<span class="ident">to_string</span>())
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.<span class="ident">expect</span>(<span class="string">"Couldn't get the number of CPUs"</span>);
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||
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<span class="kw">const</span> <span class="ident">CURRENT_DIR</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"./config/default.toml"</span>;
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<span class="kw">const</span> <span class="ident">ETC</span>: <span class="kw-2">&</span><span class="ident">str</span> <span class="op">=</span> <span class="string">"/etc/mcaptcha/config.toml"</span>;
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|
||
<span class="kw">if</span> <span class="kw">let</span> <span class="prelude-val">Ok</span>(<span class="ident">path</span>) <span class="op">=</span> <span class="ident">env</span>::<span class="ident">var</span>(<span class="string">"MCAPTCHA_CONFIG"</span>) {
|
||
<span class="ident">s</span>.<span class="ident">merge</span>(<span class="ident">File</span>::<span class="ident">with_name</span>(<span class="kw-2">&</span><span class="ident">path</span>))<span class="question-mark">?</span>;
|
||
} <span class="kw">else</span> <span class="kw">if</span> <span class="ident">Path</span>::<span class="ident">new</span>(<span class="ident">CURRENT_DIR</span>).<span class="ident">exists</span>() {
|
||
<span class="comment">// merging default config from file</span>
|
||
<span class="ident">s</span>.<span class="ident">merge</span>(<span class="ident">File</span>::<span class="ident">with_name</span>(<span class="ident">CURRENT_DIR</span>))<span class="question-mark">?</span>;
|
||
} <span class="kw">else</span> <span class="kw">if</span> <span class="ident">Path</span>::<span class="ident">new</span>(<span class="ident">ETC</span>).<span class="ident">exists</span>() {
|
||
<span class="ident">s</span>.<span class="ident">merge</span>(<span class="ident">File</span>::<span class="ident">with_name</span>(<span class="ident">ETC</span>))<span class="question-mark">?</span>;
|
||
} <span class="kw">else</span> {
|
||
<span class="ident">log</span>::<span class="macro">warn</span><span class="macro">!</span>(<span class="string">"configuration file not found"</span>);
|
||
}
|
||
|
||
<span class="ident">s</span>.<span class="ident">merge</span>(<span class="ident">Environment</span>::<span class="ident">with_prefix</span>(<span class="string">"MCAPTCHA"</span>).<span class="ident">separator</span>(<span class="string">"_"</span>))<span class="question-mark">?</span>;
|
||
|
||
<span class="ident">check_url</span>(<span class="kw-2">&</span><span class="ident">s</span>);
|
||
|
||
<span class="kw">match</span> <span class="ident">env</span>::<span class="ident">var</span>(<span class="string">"PORT"</span>) {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">val</span>) <span class="op">=</span><span class="op">></span> {
|
||
<span class="ident">s</span>.<span class="ident">set</span>(<span class="string">"server.port"</span>, <span class="ident">val</span>).<span class="ident">unwrap</span>();
|
||
}
|
||
<span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=</span><span class="op">></span> <span class="macro">println</span><span class="macro">!</span>(<span class="string">"couldn't interpret PORT: {}"</span>, <span class="ident">e</span>),
|
||
}
|
||
|
||
<span class="kw">match</span> <span class="ident">env</span>::<span class="ident">var</span>(<span class="string">"DATABASE_URL"</span>) {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">val</span>) <span class="op">=</span><span class="op">></span> {
|
||
<span class="kw">let</span> <span class="ident">url</span> <span class="op">=</span> <span class="ident">Url</span>::<span class="ident">parse</span>(<span class="kw-2">&</span><span class="ident">val</span>).<span class="ident">expect</span>(<span class="string">"couldn't parse Database URL"</span>);
|
||
<span class="kw">let</span> <span class="ident">database_conf</span> <span class="op">=</span> <span class="ident">DatabaseBuilder</span>::<span class="ident">extract_database_url</span>(<span class="kw-2">&</span><span class="ident">url</span>);
|
||
<span class="ident">set_from_database_url</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">s</span>, <span class="kw-2">&</span><span class="ident">database_conf</span>);
|
||
}
|
||
<span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=</span><span class="op">></span> <span class="macro">println</span><span class="macro">!</span>(<span class="string">"couldn't interpret DATABASE_URL: {}"</span>, <span class="ident">e</span>),
|
||
}
|
||
|
||
<span class="ident">set_database_url</span>(<span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">s</span>);
|
||
|
||
<span class="kw">match</span> <span class="ident">s</span>.<span class="ident">try_into</span>() {
|
||
<span class="prelude-val">Ok</span>(<span class="ident">val</span>) <span class="op">=</span><span class="op">></span> <span class="prelude-val">Ok</span>(<span class="ident">val</span>),
|
||
<span class="prelude-val">Err</span>(<span class="ident">e</span>) <span class="op">=</span><span class="op">></span> <span class="prelude-val">Err</span>(<span class="ident">ConfigError</span>::<span class="ident">Message</span>(<span class="macro">format</span><span class="macro">!</span>(<span class="string">"\n\nError: {}. If it says missing fields, then please refer to https://github.com/mCaptcha/mcaptcha#configuration to learn more about how mcaptcha reads configuration\n\n"</span>, <span class="ident">e</span>)))<span class="question-mark">?</span>,
|
||
}
|
||
}
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
|
||
<span class="kw">fn</span> <span class="ident">check_url</span>(<span class="ident">s</span>: <span class="kw-2">&</span><span class="ident">Config</span>) {
|
||
<span class="kw">let</span> <span class="ident">url</span> <span class="op">=</span> <span class="ident">s</span>
|
||
.<span class="ident">get</span>::<span class="op"><</span><span class="ident">String</span><span class="op">></span>(<span class="string">"source_code"</span>)
|
||
.<span class="ident">expect</span>(<span class="string">"Couldn't access source_code"</span>);
|
||
|
||
<span class="ident">Url</span>::<span class="ident">parse</span>(<span class="kw-2">&</span><span class="ident">url</span>).<span class="ident">expect</span>(<span class="string">"Please enter a URL for source_code in settings"</span>);
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
|
||
<span class="kw">fn</span> <span class="ident">set_from_database_url</span>(<span class="ident">s</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Config</span>, <span class="ident">database_conf</span>: <span class="kw-2">&</span><span class="ident">DatabaseBuilder</span>) {
|
||
<span class="ident">s</span>.<span class="ident">set</span>(<span class="string">"database.username"</span>, <span class="ident">database_conf</span>.<span class="ident">username</span>.<span class="ident">clone</span>())
|
||
.<span class="ident">expect</span>(<span class="string">"Couldn't set database username"</span>);
|
||
<span class="ident">s</span>.<span class="ident">set</span>(<span class="string">"database.password"</span>, <span class="ident">database_conf</span>.<span class="ident">password</span>.<span class="ident">clone</span>())
|
||
.<span class="ident">expect</span>(<span class="string">"Couldn't access database password"</span>);
|
||
<span class="ident">s</span>.<span class="ident">set</span>(<span class="string">"database.hostname"</span>, <span class="ident">database_conf</span>.<span class="ident">hostname</span>.<span class="ident">clone</span>())
|
||
.<span class="ident">expect</span>(<span class="string">"Couldn't access database hostname"</span>);
|
||
<span class="ident">s</span>.<span class="ident">set</span>(<span class="string">"database.port"</span>, <span class="ident">database_conf</span>.<span class="ident">port</span> <span class="kw">as</span> <span class="ident">i64</span>)
|
||
.<span class="ident">expect</span>(<span class="string">"Couldn't access database port"</span>);
|
||
<span class="ident">s</span>.<span class="ident">set</span>(<span class="string">"database.name"</span>, <span class="ident">database_conf</span>.<span class="ident">name</span>.<span class="ident">clone</span>())
|
||
.<span class="ident">expect</span>(<span class="string">"Couldn't access database name"</span>);
|
||
}
|
||
|
||
<span class="attribute">#[<span class="ident">cfg</span>(<span class="ident">not</span>(<span class="ident">tarpaulin_include</span>))]</span>
|
||
<span class="kw">fn</span> <span class="ident">set_database_url</span>(<span class="ident">s</span>: <span class="kw-2">&</span><span class="kw-2">mut</span> <span class="ident">Config</span>) {
|
||
<span class="ident">s</span>.<span class="ident">set</span>(
|
||
<span class="string">"database.url"</span>,
|
||
<span class="macro">format</span><span class="macro">!</span>(
|
||
<span class="string">r"postgres://{}:{}@{}:{}/{}"</span>,
|
||
<span class="ident">s</span>.<span class="ident">get</span>::<span class="op"><</span><span class="ident">String</span><span class="op">></span>(<span class="string">"database.username"</span>)
|
||
.<span class="ident">expect</span>(<span class="string">"Couldn't access database username"</span>),
|
||
<span class="ident">s</span>.<span class="ident">get</span>::<span class="op"><</span><span class="ident">String</span><span class="op">></span>(<span class="string">"database.password"</span>)
|
||
.<span class="ident">expect</span>(<span class="string">"Couldn't access database password"</span>),
|
||
<span class="ident">s</span>.<span class="ident">get</span>::<span class="op"><</span><span class="ident">String</span><span class="op">></span>(<span class="string">"database.hostname"</span>)
|
||
.<span class="ident">expect</span>(<span class="string">"Couldn't access database hostname"</span>),
|
||
<span class="ident">s</span>.<span class="ident">get</span>::<span class="op"><</span><span class="ident">String</span><span class="op">></span>(<span class="string">"database.port"</span>)
|
||
.<span class="ident">expect</span>(<span class="string">"Couldn't access database port"</span>),
|
||
<span class="ident">s</span>.<span class="ident">get</span>::<span class="op"><</span><span class="ident">String</span><span class="op">></span>(<span class="string">"database.name"</span>)
|
||
.<span class="ident">expect</span>(<span class="string">"Couldn't access database name"</span>)
|
||
),
|
||
)
|
||
.<span class="ident">expect</span>(<span class="string">"Couldn't set databse url"</span>);
|
||
}
|
||
|
||
<span class="comment">//#[cfg(test)]</span>
|
||
<span class="comment">//mod tests {</span>
|
||
<span class="comment">// use super::*;</span>
|
||
<span class="comment">//</span>
|
||
<span class="comment">// #[test]</span>
|
||
<span class="comment">// fn url_prefix_test() {</span>
|
||
<span class="comment">// let mut settings = Settings::new().unwrap();</span>
|
||
<span class="comment">// assert!(settings.server.url_prefix.is_none());</span>
|
||
<span class="comment">// settings.server.url_prefix = Some("test".into());</span>
|
||
<span class="comment">// settings.server.check_url_prefix();</span>
|
||
<span class="comment">// settings.server.url_prefix = Some(" ".into());</span>
|
||
<span class="comment">// settings.server.check_url_prefix();</span>
|
||
<span class="comment">// assert!(settings.server.url_prefix.is_none());</span>
|
||
<span class="comment">// }</span>
|
||
<span class="comment">//}</span>
|
||
</pre></div>
|
||
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|
||
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