109 lines
3.3 KiB
Rust
109 lines
3.3 KiB
Rust
/*
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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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*/
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use std::env;
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use std::fs;
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use std::path::Path;
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use config::{Config, ConfigError, Environment, File};
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use log::warn;
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use serde::Deserialize;
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use url::Url;
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#[derive(Debug, Clone, Deserialize)]
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pub struct Server {
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pub port: u32,
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pub domain: String,
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pub ip: String,
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pub proxy_has_tls: bool,
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pub workers: Option<usize>,
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}
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impl Server {
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#[cfg(not(tarpaulin_include))]
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pub fn get_ip(&self) -> String {
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format!("{}:{}", self.ip, self.port)
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}
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}
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#[derive(Debug, Clone, Deserialize)]
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pub struct Settings {
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pub debug: bool,
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pub cache: Option<String>,
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pub server: Server,
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pub source_code: String,
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}
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#[cfg(not(tarpaulin_include))]
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impl Settings {
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pub fn new() -> Result<Self, ConfigError> {
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let mut s = Config::builder();
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// setting default values
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const CURRENT_DIR: &str = "./config/default.toml";
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const ETC: &str = "/etc/libmedium/config.toml";
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if let Ok(path) = env::var("LIBMEDIUM") {
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s = s.add_source(File::with_name(&path));
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} else if Path::new(CURRENT_DIR).exists() {
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// merging default config from file
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s = s.add_source(File::with_name(CURRENT_DIR));
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} else if Path::new(ETC).exists() {
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s = s.add_source(File::with_name(ETC));
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} else {
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log::warn!("configuration file not found");
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}
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s = s.add_source(Environment::with_prefix("PAGES").separator("__"));
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match env::var("PORT") {
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Ok(val) => {
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s = s.set_override("server.port", val).unwrap();
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}
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Err(e) => warn!("couldn't interpret PORT: {}", e),
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}
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let mut settings: Settings = s.build()?.try_deserialize::<Settings>()?;
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settings.check_url();
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if settings.cache.is_none() {
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let tmp = env::temp_dir().join("libmedium_cache_path");
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if !tmp.exists() {
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fs::create_dir_all(&tmp).unwrap()
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}
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settings.cache = Some(tmp.to_str().unwrap().to_string())
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}
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let cache_path = settings.cache.as_ref().unwrap();
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let cache_path = Path::new(&cache_path);
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if !cache_path.exists() {
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fs::create_dir(cache_path).unwrap();
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}
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if !cache_path.is_dir() {
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panic!(
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"Cache path {} must be a directory",
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&settings.cache.as_ref().unwrap()
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);
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}
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Ok(settings)
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}
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#[cfg(not(tarpaulin_include))]
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fn check_url(&self) {
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Url::parse(&self.source_code).expect("Please enter a URL for source_code in settings");
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}
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}
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