conductor/src/settings.rs

97 lines
2.9 KiB
Rust

/*
* Copyright (C) 2022 Aravinth Manivannan <realaravinth@batsense.net>
*
* 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 <https://www.gnu.org/licenses/>.
*/
use std::env;
use std::path::Path;
use config::{Config, ConfigError, Environment, File};
use derive_more::Display;
use log::warn;
use serde::Deserialize;
use serde::Serialize;
use url::Url;
#[derive(Debug, Clone, Deserialize)]
pub struct Server {
pub port: u32,
pub domain: String,
pub ip: String,
pub url_prefix: Option<String>,
pub proxy_has_tls: bool,
}
impl Server {
#[cfg(not(tarpaulin_include))]
pub fn get_ip(&self) -> String {
format!("{}:{}", self.ip, self.port)
}
}
#[derive(Debug, Clone, Deserialize)]
pub struct Settings {
pub debug: bool,
pub server: Server,
pub source_code: String,
}
#[cfg(not(tarpaulin_include))]
impl Settings {
pub fn new() -> Result<Self, ConfigError> {
let mut s = Config::new();
const CURRENT_DIR: &str = "./config/default.toml";
const ETC: &str = "/etc/lpconductor/config.toml";
if let Ok(path) = env::var("LPCONDUCTOR_CONFIG") {
s.merge(File::with_name(&path))?;
} else if Path::new(CURRENT_DIR).exists() {
// merging default config from file
s.merge(File::with_name(CURRENT_DIR))?;
} else if Path::new(ETC).exists() {
s.merge(File::with_name(ETC))?;
} else {
log::warn!("configuration file not found");
}
s.merge(Environment::with_prefix("LPCONDUCTOR").separator("_"))?;
check_url(&s);
match env::var("PORT") {
Ok(val) => {
s.set("server.port", val).unwrap();
}
Err(e) => warn!("couldn't interpret PORT: {}", e),
}
match s.try_into::<Self>() {
Ok(val) => {
Ok(val)
},
Err(e) => Err(ConfigError::Message(format!("\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", e))),
}
}
}
#[cfg(not(tarpaulin_include))]
fn check_url(s: &Config) {
let url = s
.get::<String>("source_code")
.expect("Couldn't access source_code");
Url::parse(&url).expect("Please enter a URL for source_code in settings");
}