work on sse

This commit is contained in:
jb-alvarado 2024-04-24 09:58:57 +02:00
parent b6f9a2545f
commit 1fbfda2e85
11 changed files with 433 additions and 33 deletions

104
Cargo.lock generated
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@ -267,6 +267,55 @@ dependencies = [
"pin-project-lite",
]
[[package]]
name = "actix-web-lab"
version = "0.20.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "7675c1a84eec1b179c844cdea8488e3e409d8e4984026e92fa96c87dd86f33c6"
dependencies = [
"actix-http",
"actix-router",
"actix-service",
"actix-utils",
"actix-web",
"actix-web-lab-derive",
"ahash",
"arc-swap",
"async-trait",
"bytes",
"bytestring",
"csv",
"derive_more",
"futures-core",
"futures-util",
"http 0.2.12",
"impl-more",
"itertools",
"local-channel",
"mediatype",
"mime",
"once_cell",
"pin-project-lite",
"regex",
"serde",
"serde_html_form",
"serde_json",
"tokio",
"tokio-stream",
"tracing",
]
[[package]]
name = "actix-web-lab-derive"
version = "0.20.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "9aa0b287c8de4a76b691f29dbb5451e8dd5b79d777eaf87350c9b0cbfdb5e968"
dependencies = [
"proc-macro2",
"quote",
"syn 2.0.60",
]
[[package]]
name = "actix-web-static-files"
version = "4.0.1"
@ -406,6 +455,12 @@ version = "0.1.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "70033777eb8b5124a81a1889416543dddef2de240019b674c81285a2635a7e1e"
[[package]]
name = "arc-swap"
version = "1.7.1"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "69f7f8c3906b62b754cd5326047894316021dcfe5a194c8ea52bdd94934a3457"
[[package]]
name = "argon2"
version = "0.5.3"
@ -981,6 +1036,27 @@ dependencies = [
"typenum",
]
[[package]]
name = "csv"
version = "1.3.0"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "ac574ff4d437a7b5ad237ef331c17ccca63c46479e5b5453eb8e10bb99a759fe"
dependencies = [
"csv-core",
"itoa",
"ryu",
"serde",
]
[[package]]
name = "csv-core"
version = "0.1.11"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "5efa2b3d7902f4b634a20cae3c9c4e6209dc4779feb6863329607560143efa70"
dependencies = [
"memchr",
]
[[package]]
name = "darling"
version = "0.20.8"
@ -1246,6 +1322,7 @@ dependencies = [
"actix-web",
"actix-web-grants",
"actix-web-httpauth",
"actix-web-lab",
"actix-web-static-files",
"argon2",
"chrono",
@ -1259,6 +1336,7 @@ dependencies = [
"lexical-sort",
"local-ip-address",
"once_cell",
"parking_lot",
"path-clean",
"rand",
"regex",
@ -1274,6 +1352,7 @@ dependencies = [
"static-files",
"sysinfo",
"tokio",
"tokio-stream",
"uuid",
]
@ -1822,6 +1901,12 @@ dependencies = [
"unicode-normalization",
]
[[package]]
name = "impl-more"
version = "0.1.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "206ca75c9c03ba3d4ace2460e57b189f39f43de612c2f85836e65c929701bb2d"
[[package]]
name = "indexmap"
version = "2.2.6"
@ -2097,6 +2182,12 @@ dependencies = [
"digest",
]
[[package]]
name = "mediatype"
version = "0.19.18"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8878cd8d1b3c8c8ae4b2ba0a36652b7cf192f618a599a7fbdfa25cffd4ea72dd"
[[package]]
name = "memchr"
version = "2.7.2"
@ -2944,6 +3035,19 @@ dependencies = [
"syn 2.0.60",
]
[[package]]
name = "serde_html_form"
version = "0.2.6"
source = "registry+https://github.com/rust-lang/crates.io-index"
checksum = "8de514ef58196f1fc96dcaef80fe6170a1ce6215df9687a93fe8300e773fefc5"
dependencies = [
"form_urlencoded",
"indexmap",
"itoa",
"ryu",
"serde",
]
[[package]]
name = "serde_json"
version = "1.0.116"

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@ -19,6 +19,7 @@ actix-multipart = "0.6"
actix-web = "4"
actix-web-grants = "4"
actix-web-httpauth = "0.8"
actix-web-lab = "0.20"
actix-web-static-files = "4.0"
argon2 = "0.5"
chrono = { version = "0.4", default-features = false, features = ["clock", "std"] }
@ -31,6 +32,7 @@ lazy_static = "1.4"
lexical-sort = "0.3"
local-ip-address = "0.6"
once_cell = "1.18"
parking_lot = "0.12"
path-clean = "1.0"
rand = "0.8"
regex = "1"
@ -46,6 +48,7 @@ static-files = "0.2"
sysinfo ={ version = "0.30", features = ["linux-netdevs"] }
sqlx = { version = "0.7", features = ["runtime-tokio", "sqlite"] }
tokio = { version = "1.29", features = ["full"] }
tokio-stream = "0.1"
uuid = "1.8"
[build-dependencies]

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@ -0,0 +1,28 @@
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<meta http-equiv="X-UA-Compatible" content="ie=edge">
<title>Server-sent events</title>
<style>
p {
margin-top: 0.5em;
margin-bottom: 0.5em;
}
</style>
</head>
<body>
<div id="root"></div>
<script>
let root = document.getElementById("root");
let events = new EventSource("/events");
events.onmessage = (event) => {
let data = document.createElement("p");
let time = new Date().toLocaleTimeString();
data.innerText = time + ": " + event.data;
root.appendChild(data);
}
</script>
</body>
</html>

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@ -0,0 +1,57 @@
/// https://github.com/actix/examples/tree/master/server-sent-events
///
use std::{io, sync::Arc};
use actix_web::{get, middleware::Logger, post, web, App, HttpResponse, HttpServer, Responder};
use actix_web_lab::{extract::Path, respond::Html};
use simplelog::*;
use ffplayout_api::sse::broadcast::Broadcaster;
use ffplayout_lib::utils::{init_logging, PlayoutConfig};
#[actix_web::main]
async fn main() -> io::Result<()> {
let mut config = PlayoutConfig::new(None, None);
config.mail.recipient = String::new();
config.logging.log_to_file = false;
config.logging.timestamp = false;
let logging = init_logging(&config, None, None);
CombinedLogger::init(logging).unwrap();
let data = Broadcaster::create();
HttpServer::new(move || {
App::new()
.app_data(web::Data::from(Arc::clone(&data)))
.service(index)
.service(event_stream)
.service(broadcast_msg)
.wrap(Logger::default())
})
.bind(("127.0.0.1", 8080))?
.workers(2)
.run()
.await
}
#[get("/")]
async fn index() -> impl Responder {
Html(include_str!("index.html").to_owned())
}
#[get("/events")]
async fn event_stream(broadcaster: web::Data<Broadcaster>) -> impl Responder {
broadcaster.new_client().await
}
#[post("/broadcast/{msg}")]
async fn broadcast_msg(
broadcaster: web::Data<Broadcaster>,
Path((msg,)): Path<(String,)>,
) -> impl Responder {
broadcaster.broadcast(&msg).await;
HttpResponse::Ok().body("msg sent")
}

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@ -246,7 +246,7 @@ async fn get_user(
/// ```
#[get("/user/{name}")]
#[protect("Role::Admin", ty = "Role")]
async fn get_user_by_name(
async fn get_by_name(
pool: web::Data<Pool<Sqlite>>,
name: web::Path<String>,
) -> Result<impl Responder, ServiceError> {
@ -326,7 +326,7 @@ async fn update_user(
return Err(ServiceError::InternalServerError);
}
Err(ServiceError::Unauthorized)
Err(ServiceError::Unauthorized("No Permission".to_string()))
}
/// **Add User**

21
ffplayout-api/src/lib.rs Normal file
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@ -0,0 +1,21 @@
use std::sync::{Arc, Mutex};
use clap::Parser;
use lazy_static::lazy_static;
use sysinfo::{Disks, Networks, System};
pub mod api;
pub mod db;
pub mod sse;
pub mod utils;
use utils::args_parse::Args;
lazy_static! {
pub static ref ARGS: Args = Args::parse();
pub static ref DISKS: Arc<Mutex<Disks>> =
Arc::new(Mutex::new(Disks::new_with_refreshed_list()));
pub static ref NETWORKS: Arc<Mutex<Networks>> =
Arc::new(Mutex::new(Networks::new_with_refreshed_list()));
pub static ref SYS: Arc<Mutex<System>> = Arc::new(Mutex::new(System::new_all()));
}

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@ -1,8 +1,4 @@
use std::{
env,
process::exit,
sync::{Arc, Mutex},
};
use std::{collections::HashSet, env, process::exit, sync::Mutex};
use actix_files::Files;
use actix_web::{
@ -14,37 +10,25 @@ use actix_web_httpauth::{extractors::bearer::BearerAuth, middleware::HttpAuthent
#[cfg(all(not(debug_assertions), feature = "embed_frontend"))]
use actix_web_static_files::ResourceFiles;
use clap::Parser;
use lazy_static::lazy_static;
use path_clean::PathClean;
use simplelog::*;
use sysinfo::{Disks, Networks, System};
pub mod api;
pub mod db;
pub mod utils;
use api::{auth, routes::*};
use db::{db_pool, models::LoginUser};
use utils::{args_parse::Args, control::ProcessControl, db_path, init_config, run_args};
use ffplayout_api::{
api::{auth, routes::*},
db::{db_pool, models::LoginUser},
sse::{routes::*, AuthState},
utils::{control::ProcessControl, db_path, init_config, run_args},
ARGS,
};
#[cfg(any(debug_assertions, not(feature = "embed_frontend")))]
use utils::public_path;
use ffplayout_api::utils::public_path;
use ffplayout_lib::utils::{init_logging, PlayoutConfig};
#[cfg(all(not(debug_assertions), feature = "embed_frontend"))]
include!(concat!(env!("OUT_DIR"), "/generated.rs"));
lazy_static! {
pub static ref ARGS: Args = Args::parse();
pub static ref DISKS: Arc<Mutex<Disks>> =
Arc::new(Mutex::new(Disks::new_with_refreshed_list()));
pub static ref NETWORKS: Arc<Mutex<Networks>> =
Arc::new(Mutex::new(Networks::new_with_refreshed_list()));
pub static ref SYS: Arc<Mutex<System>> = Arc::new(Mutex::new(System::new_all()));
}
async fn validator(
req: ServiceRequest,
credentials: BearerAuth,
@ -95,6 +79,9 @@ async fn main() -> std::io::Result<()> {
let addr = ip_port[0];
let port = ip_port[1].parse::<u16>().unwrap();
let engine_process = web::Data::new(ProcessControl::new());
let auth_state = web::Data::new(AuthState {
uuids: Mutex::new(HashSet::new()),
});
info!("running ffplayout API, listen on http://{conn}");
@ -109,14 +96,15 @@ async fn main() -> std::io::Result<()> {
let mut web_app = App::new()
.app_data(db_pool)
.app_data(engine_process.clone())
.app_data(auth_state.clone())
.wrap(logger)
.service(login)
.service(
web::scope("/api")
.wrap(auth)
.wrap(auth.clone())
.service(add_user)
.service(get_user)
.service(get_user_by_name)
.service(get_by_name)
.service(get_users)
.service(remove_user)
.service(get_playout_config)
@ -149,8 +137,10 @@ async fn main() -> std::io::Result<()> {
.service(save_file)
.service(import_playlist)
.service(get_program)
.service(get_system_stat),
.service(get_system_stat)
.service(generate_uuid),
)
.service(web::scope("/data").service(validate_uuid))
.service(get_file);
if let Some(public) = &ARGS.public {

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@ -0,0 +1,89 @@
use std::{sync::Arc, time::Duration};
use actix_web::rt::time::interval;
use actix_web_lab::{
sse::{self, Sse},
util::InfallibleStream,
};
use futures_util::future;
use parking_lot::Mutex;
use tokio::sync::mpsc;
use tokio_stream::wrappers::ReceiverStream;
pub struct Broadcaster {
inner: Mutex<BroadcasterInner>,
}
#[derive(Debug, Clone, Default)]
struct BroadcasterInner {
clients: Vec<mpsc::Sender<sse::Event>>,
}
impl Broadcaster {
/// Constructs new broadcaster and spawns ping loop.
pub fn create() -> Arc<Self> {
let this = Arc::new(Broadcaster {
inner: Mutex::new(BroadcasterInner::default()),
});
Broadcaster::spawn_ping(Arc::clone(&this));
this
}
/// Pings clients every 10 seconds to see if they are alive and remove them from the broadcast
/// list if not.
fn spawn_ping(this: Arc<Self>) {
actix_web::rt::spawn(async move {
let mut interval = interval(Duration::from_secs(10));
loop {
interval.tick().await;
this.remove_stale_clients().await;
}
});
}
/// Removes all non-responsive clients from broadcast list.
async fn remove_stale_clients(&self) {
let clients = self.inner.lock().clients.clone();
let mut ok_clients = Vec::new();
for client in clients {
if client
.send(sse::Event::Comment("ping".into()))
.await
.is_ok()
{
ok_clients.push(client.clone());
}
}
self.inner.lock().clients = ok_clients;
}
/// Registers client with broadcaster, returning an SSE response body.
pub async fn new_client(&self) -> Sse<InfallibleStream<ReceiverStream<sse::Event>>> {
let (tx, rx) = mpsc::channel(10);
tx.send(sse::Data::new("connected").into()).await.unwrap();
self.inner.lock().clients.push(tx);
Sse::from_infallible_receiver(rx)
}
/// Broadcasts `msg` to all clients.
pub async fn broadcast(&self, msg: &str) {
let clients = self.inner.lock().clients.clone();
let send_futures = clients
.iter()
.map(|client| client.send(sse::Data::new(msg).into()));
// try to send to all clients, ignoring failures
// disconnected clients will get swept up by `remove_stale_clients`
let _ = future::join_all(send_futures).await;
}
}

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@ -0,0 +1,48 @@
use std::{
collections::HashSet,
sync::Mutex,
time::{Duration, SystemTime},
};
use uuid::Uuid;
use crate::utils::errors::ServiceError;
pub mod broadcast;
pub mod routes;
#[derive(Debug, Eq, Hash, PartialEq, Clone, Copy)]
pub struct UuidData {
pub uuid: Uuid,
pub expiration: SystemTime,
}
impl UuidData {
pub fn new() -> Self {
Self {
uuid: Uuid::new_v4(),
expiration: SystemTime::now() + Duration::from_secs(12 * 3600), // 12 hours
}
}
}
pub struct AuthState {
pub uuids: Mutex<HashSet<UuidData>>,
}
pub fn prune_uuids(uuids: &mut HashSet<UuidData>) {
uuids.retain(|entry| entry.expiration > SystemTime::now());
}
pub fn check_uuid(uuids: &mut HashSet<UuidData>, uuid: &str) -> Result<&'static str, ServiceError> {
let client_uuid = Uuid::parse_str(uuid)?;
prune_uuids(uuids);
match uuids.iter().find(|entry| entry.uuid == client_uuid) {
Some(_) => Ok("UUID is valid"),
None => Err(ServiceError::Unauthorized(
"Invalid or expired UUID".to_string(),
)),
}
}

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@ -0,0 +1,54 @@
use actix_web::{get, post, web, Responder};
use actix_web_grants::proc_macro::protect;
use serde::{Deserialize, Serialize};
use super::{check_uuid, prune_uuids, AuthState, UuidData};
use crate::utils::{errors::ServiceError, Role};
#[derive(Deserialize, Serialize)]
struct User {
uuid: String,
}
impl User {
fn new(uuid: String) -> Self {
Self { uuid }
}
}
/// **Get generated UUID**
///
/// ```BASH
/// curl -X GET 'http://127.0.0.1:8787/api/generate-uuid' -H 'Authorization: Bearer <TOKEN>'
/// ```
#[post("/generate-uuid")]
#[protect(any("Role::Admin", "Role::User"), ty = "Role")]
async fn generate_uuid(data: web::Data<AuthState>) -> Result<impl Responder, ServiceError> {
let mut uuids = data.uuids.lock().map_err(|e| e.to_string())?;
let new_uuid = UuidData::new();
let user_auth = User::new(new_uuid.uuid.to_string());
prune_uuids(&mut uuids);
uuids.insert(new_uuid);
Ok(web::Json(user_auth))
}
/// **Validate UUID**
///
/// ```BASH
/// curl -X GET 'http://127.0.0.1:8787/data/validate?uuid=f2f8c29b-712a-48c5-8919-b535d3a05a3a'
/// ```
#[get("/validate")]
async fn validate_uuid(
data: web::Data<AuthState>,
user: web::Query<User>,
) -> Result<impl Responder, ServiceError> {
let mut uuids = data.uuids.lock().map_err(|e| e.to_string())?;
match check_uuid(&mut uuids, user.uuid.as_str()) {
Ok(s) => Ok(web::Json(s)),
Err(e) => Err(e),
}
}

View File

@ -12,8 +12,8 @@ pub enum ServiceError {
#[display(fmt = "Conflict: {_0}")]
Conflict(String),
#[display(fmt = "Unauthorized")]
Unauthorized,
#[display(fmt = "Unauthorized: {_0}")]
Unauthorized(String),
#[display(fmt = "NoContent: {_0}")]
NoContent(String),
@ -31,7 +31,7 @@ impl ResponseError for ServiceError {
}
ServiceError::BadRequest(ref message) => HttpResponse::BadRequest().json(message),
ServiceError::Conflict(ref message) => HttpResponse::Conflict().json(message),
ServiceError::Unauthorized => HttpResponse::Unauthorized().json("No Permission!"),
ServiceError::Unauthorized(ref message) => HttpResponse::Unauthorized().json(message),
ServiceError::NoContent(ref message) => HttpResponse::NoContent().json(message),
ServiceError::ServiceUnavailable(ref message) => {
HttpResponse::ServiceUnavailable().json(message)
@ -87,3 +87,9 @@ impl From<tokio::task::JoinError> for ServiceError {
ServiceError::BadRequest(err.to_string())
}
}
impl From<uuid::Error> for ServiceError {
fn from(err: uuid::Error) -> ServiceError {
ServiceError::BadRequest(err.to_string())
}
}