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
|
use anyhow::anyhow;
use async_tungstenite::{tokio::connect_async, tungstenite::Message};
use futures_util::{SinkExt, StreamExt};
use serde_json::json;
use tracing::{debug, warn};
pub struct AuthData {
pub(crate) login: String,
pub(crate) password: String,
}
pub struct Client {
pub(crate) auth: AuthData,
pub(crate) url: String,
bearer_token: Option<String>,
client: reqwest::Client,
}
#[async_trait::async_trait]
pub trait Handler {
async fn handle(&self, message:serde_json::Value,client: &Client);
}
impl Client {
pub(crate) fn new(auth: AuthData, url: &str) -> Self {
Self {
auth,
url: url.to_owned(),
bearer_token: None,
client: reqwest::Client::new(),
}
}
pub(crate) async fn update_bearer_token(&mut self) -> Result<(), anyhow::Error> {
debug!("Fetching bearer token from api");
let response = self
.client
.post(format!("{}/api/v4/users/login", self.url))
.json(&json!({
"login_id":self.auth.login,
"password":self.auth.password,
}))
.send()
.await?;
let token = response
.headers()
.get("token")
.ok_or(anyhow!("Haven't received bearer token in headers"))?
.to_str()?;
self.bearer_token = Some(token.to_owned());
debug!("Successfully updated bearer token");
Ok(())
}
pub(crate) async fn handle_websocket_stream<T:Handler>(&mut self, handler: T) -> Result<(), anyhow::Error> {
let url = format!("{}/api/v4/websocket", self.url.replacen("http", "ws", 1));
let (mut ws_stream, _) = connect_async(url).await?;
let token = self
.bearer_token
.clone()
.ok_or(anyhow!("Missing bearer token"))?;
ws_stream
.send(Message::Text(
json!({"seq":1,"action":"authentication_challenge","data":{"token":token}})
.to_string(),
))
.await?;
while let Some(message) = ws_stream.next().await {
match message {
Ok(message) => match message {
Message::Text(text) => {
let json: Result<serde_json::Value, _> = serde_json::from_str(&text);
match json {
Ok(json) => {debug!("Got json {json}");handler.handle(json,&self).await;},
Err(err) => warn!("Error while deserializing {err}"),
}
}
Message::Close(_) => break,
_ => {
debug!("Message {message:?}");
}
},
Err(err) => warn!("Error {err} while reading message"),
}
}
Ok(())
}
}
|
