238 lines
17 KiB
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238 lines
17 KiB
HTML
<!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><script src="../../crates.js"></script><noscript><link rel="stylesheet" href="../../noscript.css"></noscript><link rel="alternate icon" type="image/png" href="../../favicon-16x16.png"><link rel="alternate icon" type="image/png" href="../../favicon-32x32.png"><link rel="icon" type="image/svg+xml" href="../../favicon.svg"><style type="text/css">#crate-search{background-image:url("../../down-arrow.svg");}</style></head><body class="rustdoc source"><!--[if lte IE 11]><div class="warning">This old browser is unsupported and will most likely display funky things.</div><![endif]--><nav class="sidebar"><div class="sidebar-menu" role="button">☰</div><a href='../../libmedium/index.html'><div class='logo-container rust-logo'><img src='../../rust-logo.png' alt='logo'></div></a></nav><div class="theme-picker"><button id="theme-picker" aria-label="Pick another theme!" aria-haspopup="menu" title="themes"><img width="18" height="18" alt="Pick another theme!" src="../../brush.svg"></button><div id="theme-choices" role="menu"></div></div><nav class="sub"><form class="search-form"><div class="search-container"><div><select id="crate-search"><option value="All crates">All crates</option></select><input class="search-input" name="search" disabled autocomplete="off" spellcheck="false" placeholder="Click or press ‘S’ to search, ‘?’ for more options…" type="search"></div><button type="button" id="help-button" title="help">?</button><a id="settings-menu" href="../../settings.html" title="settings"><img width="18" height="18" alt="Change settings" src="../../wheel.svg"></a></div></form></nav><section id="main" class="content"><div class="example-wrap"><pre class="line-numbers"><span id="1"> 1</span>
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</pre><pre class="rust"><code><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::env</span>;
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<span class="kw">use</span> <span class="ident">std::fs</span>;
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<span class="kw">use</span> <span class="ident">std::path::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::warn</span>;
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<span class="kw">use</span> <span class="ident">serde::Deserialize</span>;
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<span class="kw">use</span> <span class="ident">url::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">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">ip</span>: <span class="ident">String</span>,
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<span class="kw">pub</span> <span class="ident">proxy_has_tls</span>: <span class="ident">bool</span>,
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<span class="kw">pub</span> <span class="ident">workers</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">usize</span><span class="op">></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="ident">String</span> {
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<span class="macro">format!</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">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">cache</span>: <span class="prelude-ty">Option</span><span class="op"><</span><span class="ident">String</span><span class="op">></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">source_code</span>: <span class="ident">String</span>,
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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="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::new</span>();
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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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<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/libmedium/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::var</span>(<span class="string">"LIBMEDIUM"</span>) {
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<span class="ident">s</span>.<span class="ident">merge</span>(<span class="ident">File::with_name</span>(<span class="kw-2">&</span><span class="ident">path</span>))<span class="question-mark">?</span>;
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} <span class="kw">else</span> <span class="kw">if</span> <span class="ident">Path::new</span>(<span class="ident">CURRENT_DIR</span>).<span class="ident">exists</span>() {
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<span class="comment">// merging default config from file</span>
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<span class="ident">s</span>.<span class="ident">merge</span>(<span class="ident">File::with_name</span>(<span class="ident">CURRENT_DIR</span>))<span class="question-mark">?</span>;
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} <span class="kw">else</span> <span class="kw">if</span> <span class="ident">Path::new</span>(<span class="ident">ETC</span>).<span class="ident">exists</span>() {
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<span class="ident">s</span>.<span class="ident">merge</span>(<span class="ident">File::with_name</span>(<span class="ident">ETC</span>))<span class="question-mark">?</span>;
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} <span class="kw">else</span> {
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<span class="macro">log::warn!</span>(<span class="string">"configuration file not found"</span>);
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}
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<span class="ident">s</span>.<span class="ident">merge</span>(<span class="ident">Environment::with_prefix</span>(<span class="string">"PAGES"</span>).<span class="ident">separator</span>(<span class="string">"__"</span>))<span class="question-mark">?</span>;
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<span class="ident">check_url</span>(<span class="kw-2">&</span><span class="ident">s</span>);
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<span class="kw">match</span> <span class="ident">env::var</span>(<span class="string">"PORT"</span>) {
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<span class="prelude-val">Ok</span>(<span class="ident">val</span>) => {
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<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>();
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}
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<span class="prelude-val">Err</span>(<span class="ident">e</span>) => <span class="macro">warn!</span>(<span class="string">"couldn't interpret PORT: {}"</span>, <span class="ident">e</span>),
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}
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<span class="kw">let</span> <span class="kw-2">mut</span> <span class="ident">settings</span>: <span class="ident">Settings</span> <span class="op">=</span> <span class="ident">s</span>.<span class="ident">try_into</span>()<span class="question-mark">?</span>;
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<span class="kw">if</span> <span class="ident">settings</span>.<span class="ident">cache</span>.<span class="ident">is_none</span>() {
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<span class="kw">let</span> <span class="ident">tmp</span> <span class="op">=</span> <span class="ident">env::temp_dir</span>().<span class="ident">join</span>(<span class="string">"libmedium_cache_path"</span>);
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<span class="kw">if</span> <span class="op">!</span><span class="ident">tmp</span>.<span class="ident">exists</span>() {
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<span class="ident">fs::create_dir_all</span>(<span class="kw-2">&</span><span class="ident">tmp</span>).<span class="ident">unwrap</span>()
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}
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<span class="ident">settings</span>.<span class="ident">cache</span> <span class="op">=</span> <span class="prelude-val">Some</span>(<span class="ident">tmp</span>.<span class="ident">to_str</span>().<span class="ident">unwrap</span>().<span class="ident">to_string</span>())
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}
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<span class="kw">let</span> <span class="ident">cache_path</span> <span class="op">=</span> <span class="ident">settings</span>.<span class="ident">cache</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>();
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<span class="kw">let</span> <span class="ident">cache_path</span> <span class="op">=</span> <span class="ident">Path::new</span>(<span class="kw-2">&</span><span class="ident">cache_path</span>);
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<span class="kw">if</span> <span class="op">!</span><span class="ident">cache_path</span>.<span class="ident">exists</span>() {
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<span class="ident">fs::create_dir</span>(<span class="kw-2">&</span><span class="ident">cache_path</span>).<span class="ident">unwrap</span>();
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}
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<span class="kw">if</span> <span class="op">!</span><span class="ident">cache_path</span>.<span class="ident">is_dir</span>() {
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<span class="macro">panic!</span>(
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<span class="string">"Cache path {} must be a directory"</span>,
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<span class="kw-2">&</span><span class="ident">settings</span>.<span class="ident">cache</span>.<span class="ident">as_ref</span>().<span class="ident">unwrap</span>()
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);
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}
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<span class="prelude-val">Ok</span>(<span class="ident">settings</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">fn</span> <span class="ident">check_url</span>(<span class="ident">s</span>: <span class="kw-2">&</span><span class="ident">Config</span>) {
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<span class="kw">let</span> <span class="ident">url</span> <span class="op">=</span> <span class="ident">s</span>
|
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.<span class="ident">get</span>::<span class="op"><</span><span class="ident">String</span><span class="op">></span>(<span class="string">"source_code"</span>)
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.<span class="ident">expect</span>(<span class="string">"Couldn't access source_code"</span>);
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<span class="ident">Url::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>);
|
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}
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</code></pre></div>
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