1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
|
use tokio::sync::Mutex;
use std::{process::exit, sync::Arc, path::PathBuf, str::FromStr};
use matrix_sdk::{
config::SyncSettings, ruma::{events::room::message::RoomMessageEventContent, OwnedRoomOrAliasId}, Client, Room, encryption::EncryptionSettings,
};
use secrecy::{Secret, ExposeSecret};
use tokio::io::AsyncBufReadExt;
use futures_util::stream::TryStreamExt;
use confique::Config;
use clap::{arg, command, value_parser};
mod ntfy;
mod matrix_bot;
#[derive(serde::Deserialize, confique::Config, Debug, Clone)]
struct Options {
#[config(env="BOT_MATRIX_HOMESERVER")]
matrix_homeserver: String,
#[config(env="BOT_MATRIX_USERNAME")]
matrix_username: String,
#[config(env="BOT_MATRIX_PASSWORD")]
matrix_password: Secret<String>,
#[config(env="BOT_MATRIX_RECOVERY_KEY")]
matrix_recovery_key: Option<Secret<String>>,
#[config(env="BOT_MATRIX_DEVICE_NAME", default="ntfy bot")]
matrix_device_name: String,
#[config(env="BOT_MATRIX_ROOMS")]
matrix_rooms: Vec<OwnedRoomOrAliasId>,
#[config(env="BOT_NTFY_SERVER")]
ntfy_server: String,
#[config(env="BOT_NTFY_TOPICS", parse_env=confique::env::parse::list_by_comma)]
ntfy_topics: Vec<String>,
#[config(env="BOT_NTFY_TOKEN")]
ntfy_token: Option<Secret<String>>
}
#[tokio::main]
async fn main() -> anyhow::Result<()> {
tracing_subscriber::fmt::init();
let matches = command!()
.arg(arg!(-c --config <FILE> "config file location")
.required(false)
.value_parser(value_parser!(PathBuf))
)
.get_matches();
let config_file = match matches.get_one::<PathBuf>("config") {
None => PathBuf::from_str("config.toml")?,
Some(path) => path.to_owned()
};
tracing::info!("config file location: {config_file:?}");
let config = &Options::builder()
.file(config_file)
.env()
.load()?;
let client = Client::builder()
.homeserver_url(config.matrix_homeserver.to_owned())
.with_encryption_settings(EncryptionSettings {
auto_enable_cross_signing: true,
auto_enable_backups: true,
..Default::default()
})
.build().await?;
let recovery = client.encryption().recovery();
client
.matrix_auth()
.login_username(&config.matrix_username, &config.matrix_password.expose_secret())
.initial_device_display_name(&config.matrix_device_name)
.await?;
if let Some(ref key) = config.matrix_recovery_key {
recovery.recover(key.expose_secret()).await.unwrap();
} else {
let key = recovery
.enable()
.wait_for_backups_to_upload()
.await
.unwrap();
tracing::warn!("recovery key should be set in config: {}", key);
}
tracing::info!("logged in as {}", config.matrix_username);
let configured_rooms =
matrix_bot::resolve_room_aliases(&client, &config.matrix_rooms)
.await;
tracing::info!("rooms configured by id {:?}", configured_rooms);
let rooms_to_notify = Arc::new(Mutex::new(Vec::new()));
{
let rooms_to_notify = rooms_to_notify.clone();
let configured_rooms = configured_rooms.clone();
client.add_event_handler(
|event, client, room|
matrix_bot::join_rooms_on_invite(event, client, room, configured_rooms, rooms_to_notify)
);
}
client.sync_once(SyncSettings::default()).await?;
matrix_bot::delete_other_devices(&client, &config.matrix_username, &config.matrix_password)
.await?;
matrix_bot::join_configured_rooms(&client, &configured_rooms).await?;
let rooms_we_have = client.joined_rooms()
.into_iter()
.filter(|room| configured_rooms.contains(&room.room_id().into()))
.collect::<Vec<_>>();
{
let mut lock = rooms_to_notify.lock().await;
for room in rooms_we_have {
lock.push(room)
}
}
tokio::spawn(subscriber_loop(config.clone(), rooms_to_notify));
client.sync(SyncSettings::default()).await?;
Ok(())
}
#[tracing::instrument(skip(config, rooms_to_notify))]
async fn subscriber_loop(config: Options, rooms_to_notify: Arc<Mutex<Vec<Room>>>) {
loop {
tracing::info!("starting ntfy subscriber");
if let Err(e) = read_ntfy(&config, rooms_to_notify.clone()).await {
tracing::error!("error while handling ntfy events: {}", e);
}
}
}
async fn read_ntfy(config: &Options, rooms_to_notify: Arc<Mutex<Vec<Room>>>) -> anyhow::Result<()> {
let url = format!("{}/{}/json", config.ntfy_server, config.ntfy_topics.join(","));
let req = {
let mut req = reqwest::Client::new()
.get(url);
if let Some(ref token) = config.ntfy_token {
req = req.bearer_auth(token.expose_secret());
}
req.send().await?
};
if !req.status().is_success() {
tracing::error!("fatal: ntfy sent status {}", req.status());
exit(1);
}
let stream = req
.bytes_stream()
.map_err(|e| std::io::Error::new(std::io::ErrorKind::Other, e));
let mut lines = tokio_util::io::StreamReader::new(stream).lines();
while let Ok(Some(line)) = lines.next_line().await {
tracing::debug!("received ntfy message {}", line);
match serde_json::from_str::<ntfy::Message>(&line) {
Ok(msg) if msg.event == ntfy::Event::Message => {
let title = match msg.title {
Some(ref title) => title,
_ => &msg.topic
};
let (level, color) = match msg.priority {
Some(..=2) => ("DEBUG", "white"),
Some(3) | None => ("INFO", "cyan"),
Some(4) => ("WARN", "yellow"),
Some(5..) => ("ERROR", "red")
};
// per spec, event=message implies this field exists
let body = msg.message.unwrap();
let event = RoomMessageEventContent::text_html(
format!("{level} {title}: {body}"),
format!("<font color=\"{color}\">{level} {title}:</font> {body}")
);
tracing::info!("sending event");
for room in rooms_to_notify.lock().await.iter() {
room.send(event.clone()).await?;
}
}
Ok(msg) => {
tracing::debug!("ignoring ntfy message of type {:?}", msg.event);
}
Err(e) => {
tracing::error!("could not parse ntfy message: {}: {}", e, line)
}
}
}
Ok(())
}
|
