xmpp-rs/src/avatar.rs

66 lines
2.1 KiB
Rust

// Copyright (c) 2019 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
//
// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0. If a copy of the MPL was not distributed with this
// file, You can obtain one at http://mozilla.org/MPL/2.0/.
use futures::{Sink, sync::mpsc};
use std::fs::{create_dir_all, File};
use std::io::{self, Write};
use tokio_xmpp::Packet;
use xmpp_parsers::{
avatar::{Data, Metadata},
iq::Iq,
ns,
pubsub::{
event::Item,
pubsub::{Items, PubSub},
NodeName,
},
Jid, TryFrom,
};
use crate::Event;
pub(crate) fn handle_metadata_pubsub_event(from: &Jid, tx: &mut mpsc::UnboundedSender<Packet>, items: Vec<Item>) {
for item in items {
let payload = item.payload.clone().unwrap();
if payload.is("metadata", ns::AVATAR_METADATA) {
// TODO: do something with these metadata.
let _metadata = Metadata::try_from(payload).unwrap();
let iq = download_avatar(from);
tx.start_send(Packet::Stanza(iq.into())).unwrap();
}
}
}
fn download_avatar(from: &Jid) -> Iq {
Iq::from_get("coucou", PubSub::Items(Items {
max_items: None,
node: NodeName(String::from(ns::AVATAR_DATA)),
subid: None,
items: Vec::new(),
}))
.with_to(from.clone())
}
pub(crate) fn handle_data_pubsub_iq(from: &Jid, tx: &mut mpsc::UnboundedSender<Event>, items: Items) {
for item in items.items {
if let Some(id) = item.id.clone() {
if let Some(payload) = &item.payload {
let data = Data::try_from(payload.clone()).unwrap();
let filename = save_avatar(from, id.0, &data.data).unwrap();
tx.unbounded_send(Event::AvatarRetrieved(from.clone(), filename)).unwrap();
}
}
}
}
fn save_avatar(from: &Jid, id: String, data: &[u8]) -> io::Result<String> {
let directory = format!("data/{}", from);
let filename = format!("data/{}/{}", from, id);
create_dir_all(directory)?;
let mut file = File::create(&filename)?;
file.write_all(data)?;
Ok(filename)
}