xmpp/pubsub/
mod.rs

1// Copyright (c) 2019 Emmanuel Gil Peyrot <linkmauve@linkmauve.fr>
2//
3// This Source Code Form is subject to the terms of the Mozilla Public
4// License, v. 2.0. If a copy of the MPL was not distributed with this
5// file, You can obtain one at http://mozilla.org/MPL/2.0/.
6
7use crate::{
8    Agent, Event, RoomNick,
9    jid::{BareJid, Jid},
10    minidom::Element,
11    muc::room::{JoinRoomSettings, LeaveRoomSettings},
12    parsers::{
13        bookmarks2, ns,
14        pubsub::{self, pubsub::PubSub},
15    },
16};
17
18use std::str::FromStr;
19
20#[cfg(feature = "avatars")]
21pub(crate) mod avatar;
22
23pub(crate) async fn handle_event(
24    #[cfg_attr(not(feature = "avatars"), allow(unused_variables))] from: &Jid,
25    elem: Element,
26    #[cfg_attr(not(feature = "avatars"), allow(unused_variables))] agent: &mut Agent,
27) -> Vec<Event> {
28    // We allow the useless mut warning for no-default-features,
29    // since for now only avatars pushes events here.
30    #[allow(unused_mut)]
31    let mut events = Vec::new();
32
33    let event = pubsub::Event::try_from(elem);
34    trace!("PubSub event: {:#?}", event);
35    match event {
36        Ok(pubsub::Event {
37            payload:
38                pubsub::event::Payload::Items {
39                    node,
40                    published,
41                    retracted,
42                },
43        }) => {
44            match node.0 {
45                #[cfg(feature = "avatars")]
46                ref node if node == ns::AVATAR_METADATA => {
47                    // TODO: Also handle retracted!
48                    let new_events =
49                        avatar::handle_metadata_pubsub_event(&from, agent, published).await;
50                    events.extend(new_events);
51                }
52                ref node if node == ns::BOOKMARKS2 => {
53                    let config = agent.get_config().await;
54                    // TODO: Check that our bare JID is the sender.
55                    if let [item] = &published[..] {
56                        let jid = BareJid::from_str(&item.id.clone().unwrap().0).unwrap();
57                        let payload = item.payload.clone().unwrap();
58                        match bookmarks2::Conference::try_from(payload) {
59                            Ok(conference) => {
60                                if conference.autojoin {
61                                    if !agent.rooms_joined.contains_key(&jid) {
62                                        agent
63                                            .join_room(JoinRoomSettings {
64                                                nick: conference.nick.map(RoomNick::new),
65                                                password: conference.password,
66                                                ..JoinRoomSettings::new(jid)
67                                            })
68                                            .await;
69                                    } else {
70                                        if config.bookmarks_autojoin {
71                                            // So maybe another client of ours left the room... let's leave it too
72                                            agent.leave_room(LeaveRoomSettings::new(jid)).await;
73                                        }
74                                    }
75                                }
76                            }
77                            Err(err) => println!("not bookmark: {}", err),
78                        }
79                    } else if let [item] = &retracted[..] {
80                        if config.bookmarks_autojoin {
81                            let jid = BareJid::from_str(&item.0).unwrap();
82
83                            agent.leave_room(LeaveRoomSettings::new(jid)).await;
84                        }
85                    } else {
86                        error!("No published or retracted item in pubsub event!");
87                    }
88                }
89                ref node => unimplemented!("node {}", node),
90            }
91        }
92        Ok(pubsub::Event {
93            payload: pubsub::event::Payload::Purge { node },
94        }) => match node.0 {
95            ref node if node == ns::BOOKMARKS2 => {
96                warn!("The bookmarks2 PEP node was deleted!");
97            }
98            ref node => unimplemented!("node {}", node),
99        },
100        Err(e) => {
101            error!("Error parsing PubSub event: {}", e);
102        }
103        _ => unimplemented!("PubSub event: {:#?}", event),
104    }
105    events
106}
107
108pub(crate) async fn handle_iq_result(
109    #[cfg_attr(not(feature = "avatars"), allow(unused_variables))] from: &Jid,
110    elem: Element,
111    agent: &mut Agent,
112) -> impl IntoIterator<Item = Event> {
113    // We allow the useless mut warning for no-default-features,
114    // since for now only avatars pushes events here.
115    #[allow(unused_mut)]
116    let mut events = Vec::new();
117
118    let pubsub = PubSub::try_from(elem).unwrap();
119    trace!("PubSub: {:#?}", pubsub);
120    if let PubSub::Items(items) = pubsub {
121        match items.node.0.clone() {
122            #[cfg(feature = "avatars")]
123            ref node if node == ns::AVATAR_DATA => {
124                let new_events = avatar::handle_data_pubsub_iq(&from, &items);
125                events.extend(new_events);
126            }
127            ref node if node == ns::BOOKMARKS2 => {
128                let config = agent.get_config().await;
129                // Keep track of the new added/removed rooms in the bookmarks2 list.
130                // The rooms we joined which are no longer in the list should be left ASAP.
131                let mut new_room_list: Vec<BareJid> = Vec::new();
132
133                for item in items.items {
134                    let jid = BareJid::from_str(&item.id.clone().unwrap().0).unwrap();
135                    let payload = item.payload.clone().unwrap();
136                    match bookmarks2::Conference::try_from(payload) {
137                        Ok(conference) => {
138                            // This room was either marked for join or leave, but it was still in the bookmarks.
139                            // Keep track in new_room_list.
140                            new_room_list.push(jid.clone());
141
142                            if conference.autojoin {
143                                if !agent.rooms_joined.contains_key(&jid) {
144                                    agent
145                                        .join_room(JoinRoomSettings {
146                                            nick: conference.nick.map(RoomNick::new),
147                                            password: conference.password,
148                                            ..JoinRoomSettings::new(jid)
149                                        })
150                                        .await;
151                                }
152                            } else {
153                                if config.bookmarks_autojoin {
154                                    // Leave the room that is no longer autojoin
155                                    agent.leave_room(LeaveRoomSettings::new(jid)).await;
156                                }
157                            }
158                        }
159                        Err(err) => {
160                            warn!("Wrong payload type in bookmarks2 item: {}", err);
161                        }
162                    }
163                }
164
165                if config.bookmarks_autojoin {
166                    // Now we leave the rooms that are no longer in the bookmarks
167                    let mut rooms_to_leave: Vec<BareJid> = Vec::new();
168                    for (room, _nick) in &agent.rooms_joined {
169                        if !new_room_list.contains(&room) {
170                            rooms_to_leave.push(room.clone());
171                        }
172                    }
173
174                    for room in rooms_to_leave {
175                        agent.leave_room(LeaveRoomSettings::new(room)).await;
176                    }
177                }
178            }
179            _ => unimplemented!(),
180        }
181    }
182    events
183}
xmpp/pubsub/mod.rs

xmpp/pubsub/
mod.rs
