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/*
This file is part of jellything (https://codeberg.org/metamuffin/jellything)
which is licensed under the GNU Affero General Public License (version 3); see /COPYING.
Copyright (C) 2023 metamuffin <metamuffin.org>
*/
use anyhow::anyhow;
use jellybase::CONF;
use jellyclient::{Instance, Session};
use std::{collections::HashMap, sync::Arc, time::Duration};
use tokio::sync::RwLock;
pub struct Federation {
instances: HashMap<String, Instance>,
sessions: RwLock<HashMap<String, Arc<Session>>>,
}
impl Federation {
pub fn initialize() -> Self {
let instances = CONF
.remote_credentials
.iter()
.map(|(k, (_, _, tls))| (k.to_owned(), Instance::new(k.to_owned(), *tls)))
.collect::<HashMap<_, _>>();
Self {
instances,
sessions: Default::default(),
}
}
pub fn get_instance(&self, host: &String) -> anyhow::Result<&Instance> {
Ok(self
.instances
.get(host)
.ok_or(anyhow!("unknown instance"))?)
}
pub async fn get_session(&self, host: &String) -> anyhow::Result<Arc<Session>> {
let mut w = self.sessions.write().await;
if let Some(s) = w.get(host) {
Ok(s.to_owned())
} else {
let (username, password, _) = CONF
.remote_credentials
.get(host)
.ok_or(anyhow!("no credentials of the remote server"))?;
let s = Arc::new(
self.get_instance(host)?
.to_owned()
.login(
username.to_owned(),
password.to_owned(),
Duration::from_secs(60 * 60 * 24 * 356),
)
.await?,
);
w.insert(host.to_owned(), s.clone());
Ok(s)
}
}
}
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