chore: refactor

This commit is contained in:
əlemi 2024-02-19 00:52:41 +01:00
parent d4cee92098
commit 838ad5b544
Signed by: alemi
GPG key ID: A4895B84D311642C
7 changed files with 219 additions and 215 deletions

View file

@ -3,13 +3,12 @@ use std::net::ToSocketAddrs;
use clap::Parser;
use axum::{extract::Query, routing::get, Json, Router};
use mumble::{ServerInfo, ping_mumble_server};
use crate::tcp::ControlChannel;
use session::Session;
mod tcp;
mod udp;
mod mumble;
mod session;
mod model;
#[derive(Parser)]
struct CliArgs {
@ -23,7 +22,7 @@ async fn main() {
// build our application with a route
let app = Router::new()
.route("/ping", get(ping_server))
.route("/join", get(test_explore_server));
.route("/users", get(list_server_users));
tracing::info!("serving mumble-stats-api");
let listener = tokio::net::TcpListener::bind("127.0.0.1:57039").await
@ -33,132 +32,20 @@ async fn main() {
.expect("could not serve axum app");
}
#[derive(serde::Deserialize)]
struct ExploreOptions {
host: String,
port: Option<u16>,
username: Option<String>,
password: Option<String>,
tokens: Option<Vec<String>>,
}
#[derive(Debug, serde::Serialize)]
pub struct User {
/// Unique user session ID of the user whose state this is, may change on
/// reconnect.
pub session: u32,
/// The session of the user who is updating this user.
pub actor: u32,
/// User name, UTF-8 encoded.
pub name: String,
/// Registered user ID if the user is registered.
pub user_id: Option<u32>,
/// User comment if it is less than 128 bytes.
pub comment: Option<String>,
pub properties: UserProperties,
}
#[derive(Debug, serde::Serialize)]
pub struct UserProperties {
/// True if the user is muted by admin.
pub mute: bool,
/// True if the user is deafened by admin.
pub deaf: bool,
/// True if the user has been suppressed from talking by a reason other than
/// being muted.
pub suppress: bool,
/// True if the user has muted self.
pub self_mute: bool,
/// True if the user has deafened self.
pub self_deaf: bool,
/// True if the user is a priority speaker.
pub priority_speaker: bool,
/// True if the user is currently recording.
pub recording: bool,
}
impl From<tcp::proto::UserState> for User {
fn from(value: tcp::proto::UserState) -> Self {
User {
session: value.session(),
actor: value.actor(),
name: value.name().to_string(),
user_id: value.user_id,
comment: value.comment.clone(),
properties: UserProperties {
mute: value.mute(),
deaf: value.deaf(),
suppress: value.suppress(),
self_mute: value.self_mute(),
self_deaf: value.self_deaf(),
priority_speaker: value.priority_speaker(),
recording: value.recording(),
},
}
async fn list_server_users(Query(options): Query<model::ListUsersOptions>) -> Result<Json<Vec<model::User>>, String> {
match Session::users(&options.host, options.port, options.username, options.password).await {
Ok(users) => Ok(Json(users)),
Err(e) => Err(format!("could not list users: {e}")),
}
}
async fn test_explore_server(Query(options): Query<ExploreOptions>) -> Result<Json<Vec<User>>, String> {
let Ok(mut channel) = ControlChannel::new(&options.host, options.port).await else {
return Err("could not connect to server".into());
};
let version = tcp::proto::Version {
version_v1: None,
version_v2: Some(281496485429248),
release: Some("1.5.517".into()),
os: None,
os_version: None,
};
let authenticate = tcp::proto::Authenticate {
username: Some(options.username.unwrap_or_else(|| ".mumble-stats-api".to_string())),
password: options.password,
tokens: options.tokens.clone().unwrap_or_else(Vec::new),
celt_versions: vec![],
opus: Some(true),
client_type: Some(1),
};
for pkt in [
tcp::proto::Packet::Version(version),
tcp::proto::Packet::Authenticate(authenticate),
] {
if let Err(e) = channel.send(pkt).await {
return Err(format!("could not authenticate: {e}"));
}
}
let mut users = Vec::new();
loop {
match channel.recv().await {
Err(e) => break Err(format!("error receiving from server: {e}")),
// Ok(tcp::proto::Packet::TextMessage(msg)) => tracing::info!("{}", msg.message),
// Ok(tcp::proto::Packet::ChannelState(channel)) => tracing::info!("discovered channel: {:?}", channel.name),
Ok(tcp::proto::Packet::UserState(user)) => users.push(user.into()),
Ok(tcp::proto::Packet::ServerSync(_sync)) => break Ok(Json(users)),
Ok(pkt) => tracing::debug!("ignoring packet {:#?}", pkt),
}
}
}
#[derive(serde::Deserialize)]
struct PingOptions {
host: String,
port: Option<u16>,
}
async fn ping_server(Query(options): Query<PingOptions>) -> Result<Json<ServerInfo>, String> {
async fn ping_server(Query(options): Query<model::PingOptions>) -> Result<Json<model::ServerInfo>, String> {
let tuple = (options.host, options.port.unwrap_or(64738));
match tuple.to_socket_addrs() { // TODO do it manually so we have control
Err(e) => Err(format!("invalid address: {e}")),
Ok(addrs) => {
for addr in addrs {
if let Ok(info) = ping_mumble_server(addr).await {
if let Ok(info) = Session::ping(addr).await {
return Ok(Json(info));
}
}

86
src/model.rs Normal file
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@ -0,0 +1,86 @@
#[derive(serde::Deserialize)]
pub struct PingOptions {
pub host: String,
pub port: Option<u16>,
}
#[derive(Debug, serde::Serialize)]
pub struct ServerInfo {
pub version: String,
pub users: i32,
pub max_users: i32,
pub bandwidth: i32,
pub latency: i64,
}
#[derive(serde::Deserialize)]
pub struct ListUsersOptions {
pub host: String,
pub port: Option<u16>,
pub username: Option<String>,
pub password: Option<String>,
pub tokens: Option<Vec<String>>,
}
#[derive(Debug, serde::Serialize)]
pub struct User {
/// Unique user session ID of the user whose state this is, may change on
/// reconnect.
pub session: u32,
/// The session of the user who is updating this user.
pub actor: u32,
/// User name, UTF-8 encoded.
pub name: String,
/// Registered user ID if the user is registered.
pub user_id: Option<u32>,
/// User comment if it is less than 128 bytes.
pub comment: Option<String>,
pub properties: UserProperties,
}
#[derive(Debug, serde::Serialize)]
pub struct UserProperties {
/// True if the user is muted by admin.
pub mute: bool,
/// True if the user is deafened by admin.
pub deaf: bool,
/// True if the user has been suppressed from talking by a reason other than
/// being muted.
pub suppress: bool,
/// True if the user has muted self.
pub self_mute: bool,
/// True if the user has deafened self.
pub self_deaf: bool,
/// True if the user is a priority speaker.
pub priority_speaker: bool,
/// True if the user is currently recording.
pub recording: bool,
}
impl From<crate::tcp::proto::UserState> for User {
fn from(value: crate::tcp::proto::UserState) -> Self {
User {
session: value.session(),
actor: value.actor(),
name: value.name().to_string(),
user_id: value.user_id,
comment: value.comment.clone(),
properties: UserProperties {
mute: value.mute(),
deaf: value.deaf(),
suppress: value.suppress(),
self_mute: value.self_mute(),
self_deaf: value.self_deaf(),
priority_speaker: value.priority_speaker(),
recording: value.recording(),
},
}
}
}

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@ -1,50 +0,0 @@
use std::net::SocketAddr;
use tokio::net::UdpSocket;
use crate::udp::proto::{PingPacket, PongPacket};
#[derive(serde::Serialize)]
pub struct ServerInfo {
pub version: String,
pub users: i32,
pub max_users: i32,
pub bandwidth: i32,
pub latency: i64,
}
pub async fn ping_mumble_server(addr: SocketAddr) -> std::io::Result<ServerInfo> {
// by default bind on any interface and request OS to give us a port
let from_addr : SocketAddr = "0.0.0.0:0".parse().expect("could not create socketaddr from '0.0.0.0:0'");
let socket = UdpSocket::bind(from_addr).await?;
let packet = PingPacket { action: 0, iden: chrono::Utc::now().timestamp_micros() as u64 };
let pkt = packet.serialize().await?;
let mut buf = [0u8; 64];
let before = chrono::Utc::now();
socket.send_to(&pkt, addr).await?;
socket.recv(&mut buf).await?;
let latency = chrono::Utc::now() - before;
let pong = PongPacket::deserialize(&buf).await?;
Ok(ServerInfo {
version: parse_version(pong.version),
users: pong.users,
max_users: pong.max_users,
bandwidth: pong.bandwidth,
latency: latency.num_milliseconds(),
})
}
fn parse_version(version: u32) -> String {
let mut segments = Vec::new();
for b in version.to_be_bytes() {
if b != 255 {
segments.push(format!("{b}"));
}
}
segments.join(".")
}

78
src/session.rs Normal file
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@ -0,0 +1,78 @@
use std::net::SocketAddr;
use tokio::net::UdpSocket;
use crate::{tcp::{proto, control::ControlChannel}, udp::proto::{PingPacket, PongPacket}};
pub struct Session {
}
impl Session {
pub async fn ping(addr: SocketAddr) -> std::io::Result<crate::model::ServerInfo> {
// by default bind on any interface and request OS to give us a port
let from_addr : SocketAddr = "0.0.0.0:0".parse().expect("could not create socketaddr from '0.0.0.0:0'");
let socket = UdpSocket::bind(from_addr).await?;
let packet = PingPacket { action: 0, iden: chrono::Utc::now().timestamp_micros() as u64 };
let pkt = packet.serialize().await?;
let mut buf = [0u8; 64];
let before = chrono::Utc::now();
socket.send_to(&pkt, addr).await?;
socket.recv(&mut buf).await?;
let latency = chrono::Utc::now() - before;
let pong = PongPacket::deserialize(&buf).await?;
Ok(crate::model::ServerInfo {
users: pong.users,
max_users: pong.max_users,
bandwidth: pong.bandwidth,
latency: latency.num_milliseconds(),
version: format!("{}.{}.{}",
(pong.version >> 16) & 65535,
(pong.version >> 8 ) & 255,
(pong.version ) & 255
),
})
}
pub async fn users(host: &str, port: Option<u16>, username: Option<String>, password: Option<String>) -> std::io::Result<Vec<crate::model::User>> {
let mut channel = ControlChannel::new(host, port).await?;
let version = proto::Version {
version_v1: None,
version_v2: Some(281496485429248),
release: Some("1.5.517".into()),
os: None,
os_version: None,
};
let authenticate = proto::Authenticate {
username: Some(username.unwrap_or_else(|| ".mumble-stats-api".to_string())),
password,
tokens: Vec::new(),
celt_versions: Vec::new(),
opus: Some(true),
client_type: Some(1),
};
for pkt in [
proto::Packet::Version(version),
proto::Packet::Authenticate(authenticate),
] {
channel.send(pkt).await?;
}
let mut users = Vec::new();
loop {
match channel.recv().await? {
// Ok(tcp::proto::Packet::TextMessage(msg)) => tracing::info!("{}", msg.message),
// Ok(tcp::proto::Packet::ChannelState(channel)) => tracing::info!("discovered channel: {:?}", channel.name),
proto::Packet::UserState(user) => users.push(user.into()),
proto::Packet::ServerSync(_sync) => break Ok(users),
pkt => tracing::debug!("ignoring packet {:#?}", pkt),
}
}
}
}

42
src/tcp/control.rs Normal file
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@ -0,0 +1,42 @@
use std::net::ToSocketAddrs;
use tokio::{io::{AsyncReadExt, AsyncWriteExt}, net::TcpStream};
use tokio_native_tls::TlsStream;
pub struct ControlChannel {
stream: TlsStream<TcpStream>,
}
impl ControlChannel {
pub async fn new(host: &str, port: Option<u16>) -> std::io::Result<Self> {
let addr = (host, port.unwrap_or(64738)).to_socket_addrs()?
.filter(|a| a.is_ipv4())
.next()
.ok_or(std::io::Error::from(std::io::ErrorKind::AddrNotAvailable))?;
let socket = TcpStream::connect(addr).await?;
// use native_tls builder and then .into() so we can pass options to the builder
let connector : tokio_native_tls::TlsConnector = native_tls::TlsConnector::builder()
.danger_accept_invalid_certs(true)
.build()
.expect("could not create TLS connector").into();
let stream = connector.connect(host, socket).await.unwrap();
Ok(ControlChannel { stream })
}
pub async fn send(&mut self, pkt: super::proto::Packet) -> std::io::Result<()> {
let (id, buffer) = pkt.encode();
self.stream.write_u16(id).await?;
self.stream.write_u32(buffer.len() as u32).await?;
self.stream.write_all(&buffer).await?;
self.stream.flush().await?;
Ok(())
}
pub async fn recv(&mut self) -> std::io::Result<super::proto::Packet> {
let id = self.stream.read_u16().await?;
let size = self.stream.read_u32().await?;
let mut buffer = vec![0u8; size as usize];
self.stream.read_exact(&mut buffer).await?;
Ok(super::proto::Packet::decode(id, &buffer)?)
}
}

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@ -1,7 +1,4 @@
use std::net::ToSocketAddrs;
use tokio::{io::{AsyncReadExt, AsyncWriteExt}, net::TcpStream};
use tokio_native_tls::TlsStream;
pub mod control;
pub mod proto {
use prost::Message;
@ -104,40 +101,3 @@ pub mod proto {
}
}
pub struct ControlChannel {
stream: TlsStream<TcpStream>,
}
impl ControlChannel {
pub async fn new(host: &str, port: Option<u16>) -> std::io::Result<Self> {
let addr = (host, port.unwrap_or(64738)).to_socket_addrs()?
.filter(|a| a.is_ipv4())
.next()
.ok_or(std::io::Error::from(std::io::ErrorKind::AddrNotAvailable))?;
let socket = TcpStream::connect(addr).await?;
// use native_tls builder and then .into() so we can pass options to the builder
let connector : tokio_native_tls::TlsConnector = native_tls::TlsConnector::builder()
.danger_accept_invalid_certs(true)
.build()
.expect("could not create TLS connector").into();
let stream = connector.connect(host, socket).await.unwrap();
Ok(ControlChannel { stream })
}
pub async fn send(&mut self, pkt: proto::Packet) -> std::io::Result<()> {
let (id, buffer) = pkt.encode();
self.stream.write_u16(id).await?;
self.stream.write_u32(buffer.len() as u32).await?;
self.stream.write_all(&buffer).await?;
self.stream.flush().await?;
Ok(())
}
pub async fn recv(&mut self) -> std::io::Result<proto::Packet> {
let id = self.stream.read_u16().await?;
let size = self.stream.read_u32().await?;
let mut buffer = vec![0u8; size as usize];
self.stream.read_exact(&mut buffer).await?;
Ok(proto::Packet::decode(id, &buffer)?)
}
}

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@ -1,5 +1,6 @@
use tokio::io::{AsyncReadExt, AsyncWriteExt};
#[derive(Debug)]
pub struct PingPacket {
pub action: i32, // must be 0 for ping, what are other numbers? TODO!
pub iden: u64,
@ -14,7 +15,7 @@ impl PingPacket {
}
}
#[derive(Debug, serde::Serialize)]
#[derive(Debug)]
pub struct PongPacket {
pub version: u32,
pub iden: u64,