mxadm/src/session.rs

44 lines
1.5 KiB
Rust

use anyhow::{Context, Result};
use directories::ProjectDirs;
use matrix_sdk::{Client, ClientConfig, Session};
use std::fs::{create_dir_all, File};
use std::io::ErrorKind;
lazy_static! {
static ref PROJECT_DIRS: ProjectDirs = ProjectDirs::from("me", "petrichor", "mxadm")
.expect("Project directories should be available on all platforms");
}
static SESSION_FILE: &str = "session_info";
pub fn build_client_config() -> ClientConfig {
ClientConfig::new().store_path(PROJECT_DIRS.cache_dir().join("store"))
}
pub fn save_session(session: Session) -> Result<()> {
let cache_dir = PROJECT_DIRS.cache_dir();
if !cache_dir.exists() {
create_dir_all(cache_dir)
.with_context(|| format!("Failed to create cache directory {}", cache_dir.display()))?;
}
let mut session_file = File::create(cache_dir.join(SESSION_FILE))?;
serde_lexpr::to_writer(&mut session_file, &session)?;
Ok(())
}
pub async fn restore_session() -> Result<Client> {
let session_file = match File::open(PROJECT_DIRS.cache_dir().join(SESSION_FILE)) {
Err(e) => match e.kind() {
ErrorKind::NotFound => bail!("Session file not found: try `mxadm login` first"),
_ => return Err(e).context("Unable to open session file"),
},
Ok(f) => f,
};
let session_info: Session = serde_lexpr::from_reader(session_file)?;
let client =
Client::new_from_user_id_with_config(session_info.user_id.clone(), build_client_config())
.await?;
client.restore_login(session_info).await?;
Ok(client)
}