Improve packaging (#328)

* Add gpgui-helper (#326)

* Add packaging

apps/gpgui-helper/src-tauri/src/updater.rs

@@ -0,0 +1,137 @@
+use std::sync::Arc;
+
+use gpapi::{
+  service::request::UpdateGuiRequest,
+  utils::{checksum::verify_checksum, crypto::Crypto, endpoint::http_endpoint},
+};
+use log::{info, warn};
+use tauri::{Manager, Window};
+
+use crate::downloader::{ChecksumFetcher, FileDownloader};
+
+pub struct ProgressNotifier {
+  win: Window,
+}
+
+impl ProgressNotifier {
+  pub fn new(win: Window) -> Self {
+    Self { win }
+  }
+
+  fn notify(&self, progress: Option<f64>) {
+    let _ = self.win.emit_all("app://update-progress", progress);
+  }
+
+  fn notify_error(&self) {
+    let _ = self.win.emit_all("app://update-error", ());
+  }
+
+  fn notify_done(&self) {
+    let _ = self.win.emit_and_trigger("app://update-done", ());
+  }
+}
+
+pub struct Installer {
+  crypto: Crypto,
+}
+
+impl Installer {
+  pub fn new(api_key: Vec<u8>) -> Self {
+    Self {
+      crypto: Crypto::new(api_key),
+    }
+  }
+
+  async fn install(&self, path: &str, checksum: &str) -> anyhow::Result<()> {
+    let service_endpoint = http_endpoint().await?;
+
+    let request = UpdateGuiRequest {
+      path: path.to_string(),
+      checksum: checksum.to_string(),
+    };
+    let payload = self.crypto.encrypt(&request)?;
+
+    reqwest::Client::default()
+      .post(format!("{}/update-gui", service_endpoint))
+      .body(payload)
+      .send()
+      .await?
+      .error_for_status()?;
+
+    Ok(())
+  }
+}
+
+pub struct GuiUpdater {
+  version: String,
+  notifier: Arc<ProgressNotifier>,
+  installer: Installer,
+}
+
+impl GuiUpdater {
+  pub fn new(version: String, notifier: ProgressNotifier, installer: Installer) -> Self {
+    Self {
+      version,
+      notifier: Arc::new(notifier),
+      installer,
+    }
+  }
+
+  pub async fn update(&self) {
+    info!("Update GUI, version: {}", self.version);
+
+    #[cfg(debug_assertions)]
+    let release_tag = "latest";
+    #[cfg(not(debug_assertions))]
+    let release_tag = format!("v{}", self.version);
+
+    #[cfg(target_arch = "x86_64")]
+    let arch = "x86_64";
+    #[cfg(target_arch = "aarch64")]
+    let arch = "aarch64";
+
+    let file_url = format!(
+      "https://github.com/yuezk/GlobalProtect-openconnect/releases/download/{}/gpgui_{}_{}.bin.tar.xz",
+      release_tag, self.version, arch
+    );
+    let checksum_url = format!("{}.sha256", file_url);
+
+    info!("Downloading file: {}", file_url);
+
+    let dl = FileDownloader::new(&file_url);
+    let cf = ChecksumFetcher::new(&checksum_url);
+    let notifier = Arc::clone(&self.notifier);
+
+    dl.on_progress(move |progress| notifier.notify(progress));
+
+    let res = tokio::try_join!(dl.download(), cf.fetch());
+
+    let (file, checksum) = match res {
+      Ok((file, checksum)) => (file, checksum),
+      Err(err) => {
+        warn!("Download error: {}", err);
+        self.notifier.notify_error();
+        return;
+      }
+    };
+
+    let path = file.into_temp_path();
+    let file_path = path.to_string_lossy();
+
+    if let Err(err) = verify_checksum(&file_path, &checksum) {
+      warn!("Checksum error: {}", err);
+      self.notifier.notify_error();
+      return;
+    }
+
+    info!("Checksum success");
+
+    if let Err(err) = self.installer.install(&file_path, &checksum).await {
+      warn!("Install error: {}", err);
+      self.notifier.notify_error();
+    } else {
+      info!("Install success");
+      self.notifier.notify_done();
+    }
+  }
+}