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
|
use std::fs::File;
use std::io::BufReader;
use std::io::Write;
use std::net::SocketAddr;
use std::path::PathBuf;
use anyhow::{Context, Result};
use async_scoped::TokioScope;
use async_trait::async_trait;
use const_format::formatcp;
use nostr_relay_pool::RelayOptions;
use nostr_sdk::nips::nip05;
use nostr_sdk::Client;
use nostr_sdk::Keys;
use nostr_sdk::Metadata;
use nostr_sdk::PublicKey;
use nostr_sdk::ToBech32;
use serde::Deserialize;
use serde::Serialize;
use serde_json::from_reader;
use serde_json::to_string;
use super::Action;
use crate::message::MessageConfig;
use crate::message::MessageParams;
#[derive(Debug, Clone, Deserialize, Serialize)]
struct NostrData {
key: String,
metadata_set: bool,
}
impl Default for NostrData {
fn default() -> Self {
NostrData {
key: Keys::generate().secret_key().unwrap().to_bech32().unwrap(),
metadata_set: false,
}
}
}
fn get_nostr_data_filepath() -> PathBuf {
dirs::cache_dir()
.unwrap_or(PathBuf::from("cache"))
.join(env!("CARGO_PKG_NAME"))
.join("nostr.json")
}
fn get_nostr_data() -> Result<NostrData> {
let path = get_nostr_data_filepath();
match File::open(&path) {
Ok(file) => {
let reader = BufReader::new(file);
from_reader(reader)
.with_context(|| format!("cannot read nostr data from '{}'", path.display()))
}
Err(_) => {
let nostr_data = NostrData::default();
let mut file = File::create(&path)?;
file.write_all(to_string(&nostr_data)?.as_bytes())
.with_context(|| format!("could not write nostr data to '{}'", path.display()))?;
Ok(nostr_data)
}
}
}
fn get_default_relays() -> Vec<String> {
vec![
"wss://nostr.bitcoiner.social",
"wss://nostr.oxtr.dev",
"wss://nostr.orangepill.dev",
"wss://relay.damus.io",
]
.into_iter()
.map(String::from)
.collect()
}
fn get_default_bot_metadata() -> Metadata {
Metadata::new()
.name(formatcp!("{}bot", env!("CARGO_PKG_NAME")))
.display_name(formatcp!("{} bot", env!("CARGO_PKG_NAME")))
.about(env!("CARGO_PKG_DESCRIPTION"))
.website(env!("CARGO_PKG_REPOSITORY").parse().unwrap())
.picture("https://robohash.org/sentrumbot.png".parse().unwrap())
.banner(
"https://void.cat/d/HX1pPeqz21hvneLDibs5JD.webp"
.parse()
.unwrap(),
)
.lud06(formatcp!(
"https://sommerfeld.dev/.well-known/lnurlp/{}",
env!("CARGO_PKG_NAME")
))
.lud16(formatcp!("{}@sommerfeld.dev", env!("CARGO_PKG_NAME")))
}
fn mark_bot_metadata_as_set(mut nostr_data: NostrData) -> Result<()> {
let path = get_nostr_data_filepath();
nostr_data.metadata_set = true;
let mut file = File::create(&path)?;
file.write_all(to_string(&nostr_data)?.as_bytes())
.with_context(|| format!("could not write nostr data to '{}'", path.display()))?;
Ok(())
}
#[derive(Deserialize, Debug)]
pub struct NostrConfig {
#[serde(default = "get_default_relays")]
relays: Vec<String>,
proxy: Option<SocketAddr>,
#[serde(default = "get_default_bot_metadata")]
bot_metadata: Metadata,
#[serde(default)]
resend_bot_metadata: bool,
recipient: String,
#[serde(default)]
sealed_dm: bool,
}
impl NostrConfig {}
pub struct NostrAction<'a> {
message_config: &'a MessageConfig,
client: Client,
recipient: PublicKey,
sealed_dm: bool,
}
impl<'a> NostrAction<'a> {
pub async fn new(
message_config: &'a MessageConfig,
nostr_config: &'a NostrConfig,
) -> Result<Self> {
let nostr_data = get_nostr_data()?;
let keys = Keys::parse(&nostr_data.key)
.with_context(|| format!("could not parse nostr secret key '{}'", nostr_data.key))?;
let client = Client::new(&keys);
let relay_opts = RelayOptions::new().read(false).proxy(nostr_config.proxy);
TokioScope::scope_and_block(|s| {
for relay in nostr_config.relays.iter() {
s.spawn(client.add_relay_with_opts(relay.clone(), relay_opts.clone()));
}
});
client.connect().await;
if !nostr_data.metadata_set || nostr_config.resend_bot_metadata {
client.set_metadata(&nostr_config.bot_metadata).await?;
mark_bot_metadata_as_set(nostr_data)?;
}
let recipient = match PublicKey::parse(&nostr_config.recipient) {
Ok(p) => p,
Err(e) => {
nip05::get_profile(&nostr_config.recipient, nostr_config.proxy)
.await
.with_context(|| {
format!("invalid recipient '{}': {:#}", nostr_config.recipient, e)
})?
.public_key
}
};
Ok(Self {
message_config,
client,
recipient,
sealed_dm: nostr_config.sealed_dm,
})
}
}
#[async_trait]
impl Action<'_> for NostrAction<'_> {
fn name(&self) -> &'static str {
"nostr"
}
async fn run(&self, params: Option<&MessageParams<'_, '_>>) -> Result<()> {
let subject = self.message_config.subject(params)?;
let body = self.message_config.body(params)?;
let message = format!("{}\n{}", subject, body);
if self.sealed_dm {
self.client
.send_sealed_msg(self.recipient, message, None)
.await?;
} else {
self.client
.send_direct_msg(self.recipient, message, None)
.await?;
}
Ok(())
}
}
|
