Files
rustdesk/src/updater.rs
2025-11-03 23:21:01 +08:00

254 lines
8.6 KiB
Rust

use crate::{common::do_check_software_update, hbbs_http::create_http_client_with_url};
use hbb_common::{bail, config, log, ResultType};
use std::{
io::Write,
path::PathBuf,
sync::{
atomic::{AtomicUsize, Ordering},
mpsc::{channel, Receiver, Sender},
Mutex,
},
time::{Duration, Instant},
};
enum UpdateMsg {
CheckUpdate,
Exit,
}
lazy_static::lazy_static! {
static ref TX_MSG : Mutex<Sender<UpdateMsg>> = Mutex::new(start_auto_update_check());
}
static CONTROLLING_SESSION_COUNT: AtomicUsize = AtomicUsize::new(0);
const DUR_ONE_DAY: Duration = Duration::from_secs(60 * 60 * 24);
pub fn update_controlling_session_count(count: usize) {
CONTROLLING_SESSION_COUNT.store(count, Ordering::SeqCst);
}
#[allow(dead_code)]
pub fn start_auto_update() {
let _sender = TX_MSG.lock().unwrap();
}
#[allow(dead_code)]
pub fn manually_check_update() -> ResultType<()> {
let sender = TX_MSG.lock().unwrap();
sender.send(UpdateMsg::CheckUpdate)?;
Ok(())
}
#[allow(dead_code)]
pub fn stop_auto_update() {
let sender = TX_MSG.lock().unwrap();
sender.send(UpdateMsg::Exit).unwrap_or_default();
}
#[inline]
fn has_no_active_conns() -> bool {
let conns = crate::Connection::alive_conns();
conns.is_empty() && has_no_controlling_conns()
}
#[cfg(any(not(target_os = "windows"), feature = "flutter"))]
fn has_no_controlling_conns() -> bool {
CONTROLLING_SESSION_COUNT.load(Ordering::SeqCst) == 0
}
#[cfg(not(any(not(target_os = "windows"), feature = "flutter")))]
fn has_no_controlling_conns() -> bool {
let app_exe = format!("{}.exe", crate::get_app_name().to_lowercase());
for arg in [
"--connect",
"--play",
"--file-transfer",
"--view-camera",
"--port-forward",
"--rdp",
] {
if !crate::platform::get_pids_of_process_with_first_arg(&app_exe, arg).is_empty() {
return false;
}
}
true
}
fn start_auto_update_check() -> Sender<UpdateMsg> {
let (tx, rx) = channel();
std::thread::spawn(move || start_auto_update_check_(rx));
return tx;
}
fn start_auto_update_check_(rx_msg: Receiver<UpdateMsg>) {
std::thread::sleep(Duration::from_secs(30));
if let Err(e) = check_update(false) {
log::error!("Error checking for updates: {}", e);
}
const MIN_INTERVAL: Duration = Duration::from_secs(60 * 10);
const RETRY_INTERVAL: Duration = Duration::from_secs(60 * 30);
let mut last_check_time = Instant::now();
let mut check_interval = DUR_ONE_DAY;
loop {
let recv_res = rx_msg.recv_timeout(check_interval);
match &recv_res {
Ok(UpdateMsg::CheckUpdate) | Err(_) => {
if last_check_time.elapsed() < MIN_INTERVAL {
// log::debug!("Update check skipped due to minimum interval.");
continue;
}
// Don't check update if there are alive connections.
if !has_no_active_conns() {
check_interval = RETRY_INTERVAL;
continue;
}
if let Err(e) = check_update(matches!(recv_res, Ok(UpdateMsg::CheckUpdate))) {
log::error!("Error checking for updates: {}", e);
check_interval = RETRY_INTERVAL;
} else {
last_check_time = Instant::now();
check_interval = DUR_ONE_DAY;
}
}
Ok(UpdateMsg::Exit) => break,
}
}
}
fn check_update(manually: bool) -> ResultType<()> {
#[cfg(target_os = "windows")]
let is_msi = crate::platform::is_msi_installed()?;
if !(manually || config::Config::get_bool_option(config::keys::OPTION_ALLOW_AUTO_UPDATE)) {
return Ok(());
}
if !do_check_software_update().is_ok() {
// ignore
return Ok(());
}
let update_url = crate::common::SOFTWARE_UPDATE_URL.lock().unwrap().clone();
if update_url.is_empty() {
log::debug!("No update available.");
} else {
let download_url = update_url.replace("tag", "download");
let version = download_url.split('/').last().unwrap_or_default();
#[cfg(target_os = "windows")]
let download_url = if cfg!(feature = "flutter") {
format!(
"{}/rustdesk-{}-x86_64.{}",
download_url,
version,
if is_msi { "msi" } else { "exe" }
)
} else {
format!("{}/rustdesk-{}-x86-sciter.exe", download_url, version)
};
log::debug!("New version available: {}", &version);
let client = create_http_client_with_url(&download_url);
let Some(file_path) = get_download_file_from_url(&download_url) else {
bail!("Failed to get the file path from the URL: {}", download_url);
};
let mut is_file_exists = false;
if file_path.exists() {
// Check if the file size is the same as the server file size
// If the file size is the same, we don't need to download it again.
let file_size = std::fs::metadata(&file_path)?.len();
let response = client.head(&download_url).send()?;
if !response.status().is_success() {
bail!("Failed to get the file size: {}", response.status());
}
let total_size = response
.headers()
.get(reqwest::header::CONTENT_LENGTH)
.and_then(|ct_len| ct_len.to_str().ok())
.and_then(|ct_len| ct_len.parse::<u64>().ok());
let Some(total_size) = total_size else {
bail!("Failed to get content length");
};
if file_size == total_size {
is_file_exists = true;
} else {
std::fs::remove_file(&file_path)?;
}
}
if !is_file_exists {
let response = client.get(&download_url).send()?;
if !response.status().is_success() {
bail!(
"Failed to download the new version file: {}",
response.status()
);
}
let file_data = response.bytes()?;
let mut file = std::fs::File::create(&file_path)?;
file.write_all(&file_data)?;
}
// We have checked if the `conns`` is empty before, but we need to check again.
// No need to care about the downloaded file here, because it's rare case that the `conns` are empty
// before the download, but not empty after the download.
if has_no_active_conns() {
#[cfg(target_os = "windows")]
update_new_version(is_msi, &version, &file_path);
}
}
Ok(())
}
#[cfg(target_os = "windows")]
fn update_new_version(is_msi: bool, version: &str, file_path: &PathBuf) {
log::debug!(
"New version is downloaded, update begin, is msi: {is_msi}, version: {version}, file: {:?}",
file_path.to_str()
);
if let Some(p) = file_path.to_str() {
if let Some(session_id) = crate::platform::get_current_process_session_id() {
if is_msi {
match crate::platform::update_me_msi(p, true) {
Ok(_) => {
log::debug!("New version \"{}\" updated.", version);
}
Err(e) => {
log::error!(
"Failed to install the new msi version \"{}\": {}",
version,
e
);
}
}
} else {
match crate::platform::launch_privileged_process(
session_id,
&format!("{} --update", p),
) {
Ok(h) => {
if h.is_null() {
log::error!("Failed to update to the new version: {}", version);
}
}
Err(e) => {
log::error!("Failed to run the new version: {}", e);
}
}
}
} else {
log::error!(
"Failed to get the current process session id, Error {}",
std::io::Error::last_os_error()
);
}
} else {
// unreachable!()
log::error!(
"Failed to convert the file path to string: {}",
file_path.display()
);
}
}
pub fn get_download_file_from_url(url: &str) -> Option<PathBuf> {
let filename = url.split('/').last()?;
Some(std::env::temp_dir().join(filename))
}