mailpot/core/src/config.rs

110 lines
3.4 KiB
Rust

/*
* This file is part of mailpot
*
* Copyright 2020 - Manos Pitsidianakis
*
* 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 super::errors::*;
use chrono::prelude::*;
use std::cell::RefCell;
use std::io::{Read, Write};
use std::os::unix::fs::PermissionsExt;
use std::path::PathBuf;
thread_local!(pub static CONFIG: RefCell<Configuration> = RefCell::new(Configuration::new()));
#[derive(Debug, Serialize, Deserialize, Clone)]
#[serde(tag = "type", content = "value")]
pub enum SendMail {
Smtp(melib::smtp::SmtpServerConf),
ShellCommand(String),
}
#[derive(Debug, Serialize, Deserialize, Clone)]
pub struct Configuration {
pub send_mail: SendMail,
#[serde(default = "default_storage_fn")]
pub storage: String,
}
impl Configuration {
pub(crate) fn new() -> Self {
Configuration {
send_mail: SendMail::ShellCommand(String::new()),
storage: "sqlite3".into(),
}
}
pub fn init() -> Result<()> {
let path =
xdg::BaseDirectories::with_prefix("mailpot")?.place_config_file("config.toml")?;
if !path.exists() {
return Err(format!("Configuration file {} doesn't exist", path.display()).into());
}
let mut s = String::new();
let mut file = std::fs::File::open(&path)?;
file.read_to_string(&mut s)?;
let config: Configuration = toml::from_str(&s)?;
CONFIG.with(|f| {
*f.borrow_mut() = config;
});
Ok(())
}
pub fn data_directory() -> Result<PathBuf> {
Ok(xdg::BaseDirectories::with_prefix("mailpot")?.get_data_home())
}
pub fn save_message_to_path(msg: &str, mut path: PathBuf) -> Result<PathBuf> {
let now = Local::now().timestamp();
path.push(format!("{}-failed.eml", now));
let mut file = std::fs::File::create(&path)?;
let metadata = file.metadata()?;
let mut permissions = metadata.permissions();
permissions.set_mode(0o600); // Read/write for owner only.
file.set_permissions(permissions)?;
file.write_all(msg.as_bytes())?;
file.flush()?;
Ok(path)
}
pub fn save_message(msg: String) -> Result<PathBuf> {
match Configuration::data_directory()
.and_then(|path| Self::save_message_to_path(&msg, path))
{
Ok(p) => return Ok(p),
Err(err) => {
eprintln!("{}", err);
}
};
match Self::save_message_to_path(&msg, PathBuf::from(".")) {
Ok(p) => return Ok(p),
Err(err) => {
eprintln!("{}", err);
}
}
let temp_path = std::env::temp_dir();
Self::save_message_to_path(&msg, temp_path)
}
}
fn default_storage_fn() -> String {
"sqlite3".to_string()
}