auth: new module

a client for cvmauth (the server side bit needed to actually do the magic)! just needs a couple todos and it should be good enough for server usage later on
This commit is contained in:
Lily Tsuru 2024-05-10 07:07:44 -04:00
parent 0ecbda47bb
commit 37339e2580
16 changed files with 770 additions and 63 deletions

426
Cargo.lock generated
View file

@ -120,6 +120,18 @@ dependencies = [
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version = "0.2.15"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "accd4ea62f7bb7a82fe23066fb0957d48ef677f6eeb8215f372f52e48bb32426"
[[package]] [[package]]
name = "vnc-rs" name = "vnc-rs"
version = "0.5.1" version = "0.5.1"
@ -1027,6 +1432,15 @@ dependencies = [
"wasm-bindgen-futures", "wasm-bindgen-futures",
] ]
[[package]]
name = "want"
version = "0.3.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "bfa7760aed19e106de2c7c0b581b509f2f25d3dacaf737cb82ac61bc6d760b0e"
dependencies = [
"try-lock",
]
[[package]] [[package]]
name = "wasi" name = "wasi"
version = "0.11.0+wasi-snapshot-preview1" version = "0.11.0+wasi-snapshot-preview1"
@ -1278,3 +1692,13 @@ checksum = "c3c52e9c97a68071b23e836c9380edae937f17b9c4667bd021973efc689f618d"
dependencies = [ dependencies = [
"memchr", "memchr",
] ]
[[package]]
name = "winreg"
version = "0.52.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "a277a57398d4bfa075df44f501a17cfdf8542d224f0d36095a2adc7aee4ef0a5"
dependencies = [
"cfg-if",
"windows-sys 0.48.0",
]

View file

@ -13,5 +13,9 @@ toml_edit = "0.22.9"
tracing = "0.1.40" tracing = "0.1.40"
tracing-subscriber = "0.3.18" tracing-subscriber = "0.3.18"
thiserror = "1.0.58" thiserror = "1.0.58"
serde = { version = "1.0.197", features = [ "derive" ] } serde = { version = "1.0.197", features = ["derive"] }
serde_json = "1.0.115" serde_json = "1.0.115"
serde_repr = "0.1.19"
# Used for auth support
reqwest = { version = "0.12.4", features = ["json"] }

View file

@ -1,29 +1,52 @@
listen = "127.0.0.1:3000" # or /run/cvm.sock ? if warp supports uds i guess # the listen address
listen = "127.0.0.1:6004"
proxy = true
max_connections_per_ip = 5
# optional # isn't used currently, will be used for multinode.
vm_directory = "vms" vm_dir = "vms"
# nested table. you can define it non-nested if you want [auth]
[mod_permissions] # optional. If not provided, auth will be disabled
xxx = false auth_server = "https://auth.mycollab.xyz"
xyz = true
# passwords hash # secret key for auth.
mod_password_hash = "md5 hash of password" auth_secret_key = "[auth secret]"
admin_password_hash = "md5 hash of password"
# optional if auth server is used
# (if auth server is used these are completely ignored)
mod_hash = "[argon2di hash]"
admin_hash = "[argon2di hash]"
# Optional if auth is disabled
[guest_permissions]
chat = true
turn = false
vote = false
# Command to run to ban a user # Command to run to ban a user
# $user is replaced with the user, and # $user is replaced with the user, and
# $ip is replaced with the ip of the user # $ip is replaced with the ip of the user
ban_command = "sexy $user $ip" ban_command = "sexy $user $ip"
# defaults for all VMs [default_config]
[default_permissions]
turns_enabled = true
votes_enabled = true
turn_time = 18 turn_time = 18
vote_time = 60
vote_cooldown_time = 120
# applied to all vms by default unless they override it in their toml file # vote config
vote_time = 60
vote_cooldown_time = 60
# chat config
chat_message_max_length = 100
chat_history_length = 50
# limits
turn_limit = { same_ip = 2 }
auto_mute = { seconds = 5, messages = 5 }
# vm configuration
[vm]
id = "vm1"
motd = "Welcome to my UserVM!" motd = "Welcome to my UserVM!"
name = "Windows XP SP3 x86 (MyVM 1)"
command_line = "/uvm/vms/vm1.lvm start"

View file

@ -1,3 +1,5 @@
# Multinode TODO
# A descriptive name. # A descriptive name.
name = "Windows XP SP3 x86 (MyVM 1)" name = "Windows XP SP3 x86 (MyVM 1)"

107
src/auth/actor.rs Normal file
View file

@ -0,0 +1,107 @@
use reqwest::ClientBuilder;
use tokio::sync::{mpsc, oneshot};
use super::{result, types};
/// User agent for the auth actor
static AUTH_USER_AGENT: &str = concat!(env!("CARGO_PKG_NAME"), "/", env!("CARGO_PKG_VERSION"));
#[derive(Debug)]
pub(crate) enum AuthActorMessage {
Shutdown,
Authenticate {
session_token: String,
ip: String,
// Oneshot response
tx: oneshot::Sender<types::AuthResponse>,
},
}
pub(crate) struct AuthActor {
http_client: reqwest::Client,
auth_server_url: String,
secret_key: String,
rx: mpsc::Receiver<AuthActorMessage>,
}
impl AuthActor {
fn new(auth_url: String, secret: String, rx: mpsc::Receiver<AuthActorMessage>) -> Self {
let client = ClientBuilder::new()
.user_agent(AUTH_USER_AGENT)
.build()
.expect("Failed to build HTTP client for CvmAuth");
Self {
http_client: client,
auth_server_url: auth_url,
secret_key: secret,
rx,
}
}
async fn authenticate(
&mut self,
session_token: String,
ip: String,
) -> result::Result<types::AuthResponse> {
let request_json = types::AuthRequest {
secret_key: self.secret_key.clone(),
session_token: session_token,
ip: ip,
};
let raw_response = self
.http_client
.post(format!("{}/api/v1/join", self.auth_server_url))
.json(&request_json)
.send()
.await?
.error_for_status()?;
// TODO: Convert JSON error to result::Error arm at some point so that we can match for those errors later >_<
// also it's just a good idea
let deserialized_response = raw_response.json::<types::AuthResponse>().await?;
Ok(deserialized_response)
}
/// Actor runloop.
async fn run(mut self) -> result::Result<()> {
while let Some(msg) = self.rx.recv().await {
match msg {
// simply break out to shut down the actor.
AuthActorMessage::Shutdown => break,
AuthActorMessage::Authenticate {
session_token,
ip,
tx,
} => {
let _ = tx.send(self.authenticate(session_token, ip).await?);
}
}
}
Ok(())
}
/// Helper function to spawn the actor.
pub(crate) fn spawn_actor(auth_url: String, secret: String) -> mpsc::Sender<AuthActorMessage> {
let (tx, rx) = mpsc::channel(8);
let inner = AuthActor::new(auth_url, secret, rx);
tokio::spawn(async move {
match inner.run().await {
Ok(()) => {}
Err(error) => {
tracing::error!("error in auth actor runloop: {error}");
}
}
});
tx
}
}

59
src/auth/client.rs Normal file
View file

@ -0,0 +1,59 @@
use super::{actor, result, types};
use tokio::sync::{mpsc, oneshot};
/// A client for CVMAuth on the server side.
/// This allows authorizing users.
#[derive(Clone)]
pub struct Client {
tx: mpsc::Sender<actor::AuthActorMessage>,
}
impl Client {
/// Creates a new auth client.
/// [auth_url] is the base URL path to the cvmauth backend.
/// [secret_key] is the given secret key.
///
/// # Example
/// ```rust
/// use cvm12_rs::auth;
///
/// async fn my_auth() {
/// let client = auth::Client::new("https://cvmauth.mycvm.xyz".into(), "SECRET_KEY_UNSAFE".into());
/// }
/// ```
pub fn new(auth_url: String, secret_key: String) -> Self {
Self {
tx: actor::AuthActor::spawn_actor(auth_url, secret_key),
}
}
/// Shuts down the auth client. Once done this client will no longer be usable.
pub async fn shutdown(&self) {
let _ = self.tx.send(actor::AuthActorMessage::Shutdown).await;
}
/// Authenticates a user.
pub async fn authenticate(
&self,
token: String,
ip: String,
) -> result::Result<types::AuthResponse> {
let (tx, rx) = oneshot::channel();
let _ = self
.tx
.send(actor::AuthActorMessage::Authenticate {
session_token: token,
ip: ip,
tx: tx,
})
.await;
match rx.await {
// TODO: Convert JSON failures to an error.
Ok(res) => Ok(res),
// See above FIXME
Err(_err) => Err(result::Error::GeneralFail),
}
}
}

6
src/auth/mod.rs Normal file
View file

@ -0,0 +1,6 @@
//! CVMAuth client.
mod actor;
mod types;
mod result;
pub mod client;
pub use client::*;

20
src/auth/result.rs Normal file
View file

@ -0,0 +1,20 @@
use thiserror::Error;
/// QMP library error.
/// FIXME: more arms
#[derive(Error, Debug)]
pub enum Error {
#[error(transparent)]
IoError(#[from] tokio::io::Error),
#[error(transparent)]
HttpError(#[from] reqwest::Error),
#[error(transparent)]
JsonError(#[from] serde_json::Error),
#[error("general failure")]
GeneralFail,
}
pub type Result<T> = std::result::Result<T, Error>;

23
src/auth/types.rs Normal file
View file

@ -0,0 +1,23 @@
use crate::user_types::Rank;
use serde::{Deserialize, Serialize};
#[derive(Serialize, Deserialize, Debug)]
pub struct AuthRequest {
#[serde(rename = "secretKey")]
pub secret_key: String,
#[serde(rename = "sessionToken")]
pub session_token: String,
pub ip: String,
}
#[derive(Deserialize, Debug)]
pub struct AuthResponse {
pub success: bool,
#[serde(rename = "clientSuccess")]
pub client_sucess: bool,
pub username: Option<String>,
pub error: Option<String>,
pub rank: Rank,
}

View file

@ -1,4 +1,6 @@
pub mod auth;
pub mod guac; pub mod guac;
pub mod qmp;
pub mod qemuvm; pub mod qemuvm;
pub mod qmp;
pub(crate) mod user_types;
pub mod vm; pub mod vm;

View file

@ -1,9 +1,6 @@
use cvm12_rs::qmp; //use cvm12_rs::qmp;
//use tokio::net::UnixStream;
use tokio::net::UnixStream; //use std::time::Duration;
use std::time::Duration;
use tokio::time;
#[tokio::main] #[tokio::main]
async fn main() { async fn main() {
@ -13,12 +10,13 @@ async fn main() {
tracing::subscriber::set_global_default(subscriber).expect("You Banned"); tracing::subscriber::set_global_default(subscriber).expect("You Banned");
/*
// Create a stream to connect // Create a stream to connect
let stream = UnixStream::connect("/home/lily/vms/xpiss/qmp.sock") let stream = UnixStream::connect("/home/lily/vms/xpiss/qmp.sock")
.await .await
.expect("Could not connect"); .expect("Could not connect");
let client = qmp::QmpClient::new(stream); let client = qmp::Client::new(stream);
// Handshake QMP // Handshake QMP
client.handshake().await.expect("Could not handshake QMP"); client.handshake().await.expect("Could not handshake QMP");
@ -26,17 +24,17 @@ async fn main() {
println!("Connected to QMP server"); println!("Connected to QMP server");
// Create a copy of the client handle so we can issue a command in this other task. // Create a copy of the client handle so we can issue a command in this other task.
// This other task waits 10 seconds and closes the client, which causes the actor to stop. // This other task waits 120 seconds and closes the client, which causes the actor to stop.
let copy = client.clone(); let copy = client.clone();
tokio::spawn(async move { tokio::spawn(async move {
tokio::time::sleep(Duration::from_secs(10)).await; tokio::time::sleep(Duration::from_secs(120)).await;
println!("Closing client after 10 seconds"); println!("Closing client after 120 seconds");
copy.close().await.expect("Closing shouldn't fail"); copy.close().await.expect("Closing shouldn't fail");
}); });
println!( println!(
"res {}", "info block command: {}",
client client
.execute_hmp("info block".into()) .execute_hmp("info block".into())
.await .await
@ -60,6 +58,5 @@ async fn main() {
println!("Result of running: {:?}, {:?}", res1, res2); println!("Result of running: {:?}, {:?}", res1, res2);
} }
*/
//println!("Hello, world!");
} }

View file

@ -147,7 +147,6 @@ where
self.last_response_id += 1; self.last_response_id += 1;
} }
_ => tracing::error!("Unknown message"),
} }
Ok(()) Ok(())
@ -233,9 +232,12 @@ where
let (tx, rx) = mpsc::channel(8); let (tx, rx) = mpsc::channel(8);
let inner = QmpClientActor::new(socket, rx); let inner = QmpClientActor::new(socket, rx);
tokio::spawn(async move { tokio::spawn(async move {
inner.run().await.inspect_err(|err| { match inner.run().await {
tracing::error!("error in actor runloop: {err}"); Ok(()) => {},
}); Err(error) => {
tracing::error!("error in actor runloop: {error}");
}
}
}); });
tx tx
} }

View file

@ -1,4 +1,5 @@
//! QMP client. //! QMP client.
//!
use serde_json::json; use serde_json::json;
use tokio::{ use tokio::{
@ -6,7 +7,7 @@ use tokio::{
sync::{mpsc, oneshot}, sync::{mpsc, oneshot},
}; };
use super::{result, actor, types}; use super::{actor, result, types};
/// A client for the Qemu Machine Protocol (also known as QMP). /// A client for the Qemu Machine Protocol (also known as QMP).
/// Generic so it works with any Tokio stream type (which fits QEMU's ability to run /// Generic so it works with any Tokio stream type (which fits QEMU's ability to run
@ -16,15 +17,29 @@ use super::{result, actor, types};
/// I might maybe refactor this or make some generic "actor" thingmabob but for now /// I might maybe refactor this or make some generic "actor" thingmabob but for now
/// it's all in here. /// it's all in here.
#[derive(Clone)] #[derive(Clone)]
pub struct QmpClient { pub struct Client {
tx: mpsc::Sender<actor::QmpActorMessage>, tx: mpsc::Sender<actor::QmpActorMessage>,
} }
impl QmpClient { impl Client {
/// Creates a new QMP client. /// Creates a new QMP client.
/// ///
/// ## Notes /// ## Notes
/// The stream provided **MUST NOT** have been shut down before being provided (besides, why would you even do that?) /// The stream provided **MUST NOT** have been shut down before being provided (besides, why would you even do that?)
///
/// ## Example usage
///
/// ```rust
/// use tokio::net::UnixStream;
///
/// async fn client_create() {
/// let stream = UnixStream::connect("/ferris/qemu/mon01.sock")
/// .await
/// .expect("Could not connect to QMP socket");
///
/// let client = cvm12_rs::qmp::Client::new(stream);
/// }
/// ```
pub fn new<S>(socket: S) -> Self pub fn new<S>(socket: S) -> Self
where where
S: AsyncReadExt + AsyncWriteExt + Unpin + Send + 'static, S: AsyncReadExt + AsyncWriteExt + Unpin + Send + 'static,
@ -36,16 +51,14 @@ impl QmpClient {
// TODO handle errors properly // TODO handle errors properly
/// Closes this client. /// Closes this client. All in-flight event channels will be closed, all commands will fail to complete,
/// and the server socket will be closed. A new [Client] will need to be created to reconnect.
pub async fn close(&self) -> result::Result<()> { pub async fn close(&self) -> result::Result<()> {
let _ = self let _ = self.tx.send(actor::QmpActorMessage::QmpDoClose {}).await;
.tx
.send(actor::QmpActorMessage::QmpDoClose { })
.await;
Ok(()) Ok(())
} }
/// Handshakes QMP with the server. This **MUST** be the first operation you do. /// Handshakes QMP with the server. This **MUST** be the first operation done after creating the client.
pub async fn handshake(&self) -> result::Result<types::QmpHandshake> { pub async fn handshake(&self) -> result::Result<types::QmpHandshake> {
let (tx, rx) = oneshot::channel(); let (tx, rx) = oneshot::channel();
@ -55,7 +68,8 @@ impl QmpClient {
.await; .await;
match rx.await { match rx.await {
Ok(res) => res, Ok(res) => res,
Err(err) => Err(result::QmpError::GeneralFail), // FIXME: add an arm for this in QmpError
Err(_err) => Err(result::QmpError::GeneralFail),
} }
} }
@ -63,27 +77,42 @@ impl QmpClient {
// for now this isn't done. // for now this isn't done.
/// Executes a single QMP command. /// Executes a single QMP command.
pub async fn execute(&self, command: String, arguments: Option<serde_json::Value>) -> result::Result<serde_json::Value> { pub async fn execute(
&self,
command: String,
arguments: Option<serde_json::Value>,
) -> result::Result<serde_json::Value> {
let (tx, rx) = oneshot::channel(); let (tx, rx) = oneshot::channel();
let _ = self let _ = self
.tx .tx
.send(actor::QmpActorMessage::QmpDoSend { command: command, arguments: arguments.clone(), tx: tx }) .send(actor::QmpActorMessage::QmpDoSend {
command: command,
arguments: arguments.clone(),
tx: tx,
})
.await; .await;
match rx.await { match rx.await {
Ok(res) => Ok(res), Ok(res) => Ok(res),
Err(err) => Err(result::QmpError::GeneralFail), // See above FIXME
Err(_err) => Err(result::QmpError::GeneralFail),
} }
} }
/// Executes a HMP (QEMU Monitor) command. /// Executes a HMP (QEMU Monitor) command.
pub async fn execute_hmp(&self, hmp_line: String) -> result::Result<String> { pub async fn execute_hmp(&self, hmp_line: String) -> result::Result<String> {
let res = self.execute("human-monitor-command".into(), Some(json!({ let res = self
.execute(
"human-monitor-command".into(),
Some(json!({
"command-line": hmp_line "command-line": hmp_line
}))).await?; })),
)
.await?;
// This is very nasty, but this is always a string. // This is very nasty, but this property is always set as a string.
// I'll fix this later I promise
Ok(String::from(res["return"].as_str().unwrap())) Ok(String::from(res["return"].as_str().unwrap()))
} }

View file

@ -1,8 +1,8 @@
//! QMP client lib //! QMP client lib
pub(crate) mod types; pub mod types;
pub mod result; pub mod result;
pub(crate) mod io; mod io;
pub(crate) mod actor; mod actor;
pub mod client; mod client;
pub use client::*; pub use client::*;

View file

@ -7,9 +7,6 @@ pub enum QmpError {
#[error(transparent)] #[error(transparent)]
IoError(#[from] tokio::io::Error), IoError(#[from] tokio::io::Error),
#[error(transparent)]
DecodingError(#[from] std::string::FromUtf8Error),
#[error(transparent)] #[error(transparent)]
JsonError(#[from] serde_json::Error), JsonError(#[from] serde_json::Error),

12
src/user_types.rs Normal file
View file

@ -0,0 +1,12 @@
//! user-related types
use serde_repr::*;
#[derive(Serialize_repr, Deserialize_repr, Debug)]
#[repr(u16)]
pub enum Rank {
Unregistered = 0,
Registered,
Admin,
Moderator
}