bump version to 0.4.0

.gitignore

@@ -2,6 +2,9 @@ dist
 **/node_modules
 src-tauri/target/
 **/creddy.db
+# .env is system-specific
+.env
+.vscode
 
 # just in case
 credentials*

package.json

@@ -1,6 +1,6 @@
 {
   "name": "creddy",
-  "version": "0.3.3",
+  "version": "0.4.0",
   "scripts": {
     "dev": "vite",
     "build": "vite build",

src-tauri/.env

@@ -1 +0,0 @@
-DATABASE_URL=sqlite://C:/Users/Joe/AppData/Roaming/creddy/creddy.dev.db

src-tauri/Cargo.lock

@@ -1035,7 +1035,7 @@ dependencies = [
 
 [[package]]
 name = "creddy"
-version = "0.3.3"
+version = "0.4.0"
 dependencies = [
  "argon2",
  "auto-launch",

src-tauri/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "creddy"
-version = "0.3.3"
+version = "0.4.0"
 description = "A friendly AWS credentials manager"
 authors = ["Joseph Montanaro"]
 license = ""

src-tauri/src/app.rs

@@ -19,6 +19,7 @@ use crate::{
     ipc,
     server::Server,
     errors::*,
+    shortcuts,
     state::AppState,
     tray,
 };
@@ -81,7 +82,7 @@ async fn setup(app: &mut App) -> Result<(), Box<dyn Error>> {
     let pool = connect_db().await?;
     let mut setup_errors: Vec<String> = vec![];
 
-    let conf = match AppConfig::load(&pool).await {
+    let mut conf = match AppConfig::load(&pool).await {
         Ok(c) => c,
         Err(SetupError::ConfigParseError(_)) => {
             setup_errors.push(
@@ -99,8 +100,12 @@ async fn setup(app: &mut App) -> Result<(), Box<dyn Error>> {
     if let Err(_e) = config::set_auto_launch(conf.start_on_login) {
         setup_errors.push("Error: Failed to manage autolaunch.".into());
     }
-    if let Err(e) = config::register_hotkeys(&conf.hotkeys) {
-        setup_errors.push(format!("{e}"));
+
+    // if hotkeys fail to register, disable them so that this error doesn't have to keep showing up
+    if let Err(_e) = shortcuts::register_hotkeys(&conf.hotkeys) {
+        conf.hotkeys.disable_all();
+        conf.save(&pool).await?;
+        setup_errors.push("Failed to register hotkeys. Hotkey settings have been disabled.".into());
     }
 
     // if session is empty, this is probably the first launch, so don't autohide

src-tauri/src/bin/creddy_cli.rs

@@ -21,7 +21,8 @@ fn main() {
         None | Some(("run", _)) => launch_gui(),
         Some(("get", m)) => cli::get(m),
         Some(("exec", m)) => cli::exec(m),
-        _ => unreachable!(),
+        Some(("shortcut", m)) => cli::invoke_shortcut(m),
+        _ => unreachable!("Unknown subcommand"),
     };
 
     if let Err(e) = res {

src-tauri/src/cli.rs

@@ -1,23 +1,25 @@
 use std::ffi::OsString;
 use std::process::Command as ChildCommand;
+#[cfg(windows)]
 use std::time::Duration;
 
 use clap::{
     Command,
-     Arg,
-     ArgMatches,
-     ArgAction
+    Arg,
+    ArgMatches,
+    ArgAction,
+    builder::PossibleValuesParser,
  };
 use tokio::io::{AsyncReadExt, AsyncWriteExt};
 
 use crate::credentials::Credentials;
 use crate::errors::*;
 use crate::server::{Request, Response};
+use crate::shortcuts::ShortcutAction;
 
 #[cfg(unix)]
 use {
     std::os::unix::process::CommandExt,
-    std::path::Path,
     tokio::net::UnixStream,
 };
 
@@ -63,6 +65,16 @@ pub fn parser() -> Command<'static> {
                         .multiple_values(true)
                 )
         )
+        .subcommand(
+            Command::new("shortcut")
+                .about("Invoke an action normally trigged by hotkey (e.g. launch terminal)")
+                .arg(
+                    Arg::new("action")
+                        .value_parser(
+                            PossibleValuesParser::new(["show_window", "launch_terminal"])
+                        )
+                )
+        )
 }
 
 
@@ -129,10 +141,35 @@ pub fn exec(args: &ArgMatches) -> Result<(), CliError> {
 }
 
 
-#[tokio::main]
-async fn get_credentials(base: bool) -> Result<Credentials, RequestError> {
+pub fn invoke_shortcut(args: &ArgMatches) -> Result<(), CliError> {
+    let action = match args.get_one::<String>("action").map(|s| s.as_str()) {
+        Some("show_window") => ShortcutAction::ShowWindow,
+        Some("launch_terminal") => ShortcutAction::LaunchTerminal,
+        Some(&_) | None => unreachable!("Unknown shortcut action"), // guaranteed by clap
+    };
+
+    let req = Request::InvokeShortcut(action);
+    match make_request(&req) {
+        Ok(Response::Empty) => Ok(()),
+        Ok(r) => Err(RequestError::Unexpected(r).into()),
+        Err(e) => Err(e.into()),
+    }
+}
+
+
+fn get_credentials(base: bool) -> Result<Credentials, RequestError> {
     let req = Request::GetAwsCredentials { base };
-    let mut data = serde_json::to_string(&req).unwrap();
+    match make_request(&req) {
+        Ok(Response::Aws(creds)) => Ok(creds),
+        Ok(r) => Err(RequestError::Unexpected(r)),
+        Err(e) => Err(e),
+    }
+}
+
+
+#[tokio::main]
+async fn make_request(req: &Request) -> Result<Response, RequestError> {
+    let mut data = serde_json::to_string(req).unwrap();
     // server expects newline marking end of request
     data.push('\n');
 
@@ -142,12 +179,7 @@ async fn get_credentials(base: bool) -> Result<Credentials, RequestError> {
     let mut buf = Vec::with_capacity(1024);
     stream.read_to_end(&mut buf).await?;
     let res: Result<Response, ServerError> = serde_json::from_slice(&buf)?;
-    match res {
-        Ok(Response::Aws(creds)) => Ok(creds),
-        // Eventually we will want this
-        // Ok(r) => Err(RequestError::Unexpected(r)),
-        Err(e) => Err(RequestError::Server(e)),
-    }
+    Ok(res?)
 }
 
 
@@ -167,7 +199,5 @@ async fn connect() -> Result<NamedPipeClient, std::io::Error> {
 
 #[cfg(unix)]
 async fn connect() -> Result<UnixStream, std::io::Error> {
-    let path = Path::from("/tmp/creddy-requests");
-    std::fs::remove_file(path)?;
-    UnixStream::connect(path)
+    UnixStream::connect("/tmp/creddy.sock").await
 }

src-tauri/src/clientinfo.rs

@@ -2,19 +2,6 @@ use std::path::{Path, PathBuf};
 
 use sysinfo::{System, SystemExt, Pid, PidExt, ProcessExt};
 use serde::{Serialize, Deserialize};
-use std::os::windows::io::AsRawHandle;
-
-#[cfg(windows)]
-use {
-    tokio::net::windows::named_pipe::NamedPipeServer,
-    windows::Win32::{
-        Foundation::HANDLE,
-        System::Pipes::GetNamedPipeClientProcessId,
-    },
-};
-
-#[cfg(unix)]
-use tokio::net::UnixStream;
 
 use crate::errors::*;
 
@@ -26,25 +13,8 @@ pub struct Client {
 }
 
 
-#[cfg(unix)]
-pub fn get_client_parent(stream: &UnixStream) -> Result<Client, ClientInfoError> {
-    let pid = stream.peer_cred()?;
-    get_process_parent_info(pid)?
-}
-
-
-#[cfg(windows)]
-pub fn get_client_parent(stream: &NamedPipeServer) -> Result<Client, ClientInfoError> {
-    let raw_handle = stream.as_raw_handle();
-    let mut pid = 0u32;
-    let handle = HANDLE(raw_handle as _);
-    unsafe { GetNamedPipeClientProcessId(handle, &mut pid as *mut u32)? };
-
-    get_process_parent_info(pid)
-}
-
-
-fn get_process_parent_info(pid: u32) -> Result<Client, ClientInfoError> {
+pub fn get_process_parent_info(pid: u32) -> Result<Client, ClientInfoError> {
+    dbg!(pid);
     let sys_pid = Pid::from_u32(pid);
     let mut sys = System::new();   
     sys.refresh_process(sys_pid);

src-tauri/src/config.rs

@@ -4,11 +4,6 @@ use auto_launch::AutoLaunchBuilder;
 use is_terminal::IsTerminal;
 use serde::{Serialize, Deserialize};
 use sqlx::SqlitePool;
-use tauri::{
-    Manager,
-    GlobalShortcutManager,
-    async_runtime as rt,
-};
 
 use crate::errors::*;
 
@@ -38,6 +33,13 @@ pub struct HotkeysConfig {
     pub launch_terminal: Hotkey,
 }
 
+impl HotkeysConfig {
+    pub fn disable_all(&mut self) {
+        self.show_window.enabled = false;
+        self.launch_terminal.enabled = false;
+    }
+}
+
 
 #[derive(Clone, Debug, Serialize, Deserialize)]
 pub struct AppConfig {
@@ -183,43 +185,6 @@ fn default_hotkey_config() -> HotkeysConfig {
     }
 }
 
-// note: will panic if called before APP is set
-pub fn register_hotkeys(hotkeys: &HotkeysConfig) -> tauri::Result<()> {
-    let app = crate::app::APP.get().unwrap();
-
-    let mut manager = app.global_shortcut_manager();
-    manager.unregister_all()?;
-
-    if hotkeys.show_window.enabled {
-        let handle = app.app_handle();
-        manager.register(
-            &hotkeys.show_window.keys,
-            move || { 
-                handle.get_window("main")
-                    .map(|w| w.show().error_popup("Failed to show"))
-                    .ok_or(HandlerError::NoMainWindow)
-                    .error_popup("No main window");
-            },
-        )?;
-    }
-
-    if hotkeys.launch_terminal.enabled {
-        // register() doesn't take an async fn, so we have to use spawn
-        manager.register(
-            &hotkeys.launch_terminal.keys,
-            || { 
-                rt::spawn(async {
-                    crate::terminal::launch(false)
-                        .await
-                        .error_popup("Failed to launch");
-                });
-            }
-        )?;
-    }
-
-    Ok(())
-}
-
 
 fn default_rehide_ms() -> u64 { 1000 }
 // start minimized and on login only in production mode

src-tauri/src/errors.rs

@@ -26,12 +26,14 @@ use serde::{
 };
 
 
-pub trait ErrorPopup {
+pub trait ShowError {
     fn error_popup(self, title: &str);
     fn error_popup_nowait(self, title: &str);
+    fn error_print(self);
+    fn error_print_prefix(self, prefix: &str);
 }
 
-impl<E: std::fmt::Display> ErrorPopup for Result<(), E> {
+impl<E: std::fmt::Display> ShowError for Result<(), E> {
     fn error_popup(self, title: &str) {
         if let Err(e) = self {
             let (tx, rx) = mpsc::channel();
@@ -50,6 +52,18 @@ impl<E: std::fmt::Display> ErrorPopup for Result<(), E> {
                 .show(|_| {})
         }
     }
+
+    fn error_print(self) {
+        if let Err(e) = self {
+            eprintln!("{e}");
+        }
+    }
+
+    fn error_print_prefix(self, prefix: &str) {
+        if let Err(e) = self {
+            eprintln!("{prefix}: {e}");
+        }
+    }
 }
 
 
@@ -164,6 +178,15 @@ pub enum HandlerError {
 }
 
 
+#[derive(Debug, ThisError, AsRefStr)]
+pub enum WindowError {
+    #[error("Failed to find main application window")]
+    NoMainWindow,
+    #[error(transparent)]
+    ManageFailure(#[from] tauri::Error),
+}
+
+
 #[derive(Debug, ThisError, AsRefStr)]
 pub enum GetCredentialsError {
     #[error("Credentials are currently locked")]
@@ -221,6 +244,7 @@ pub enum ClientInfoError {
     ParentPidNotFound,
     #[error("Found PID for parent process of client, but no corresponding process")]
     ParentProcessNotFound,
+    #[cfg(windows)]
     #[error("Could not determine PID of connected client")]
     WindowsError(#[from] windows::core::Error),
     #[error(transparent)]
@@ -324,6 +348,7 @@ impl Serialize for SerializeWrapper<&GetSessionTokenError> {
 impl_serialize_basic!(SetupError);
 impl_serialize_basic!(GetCredentialsError);
 impl_serialize_basic!(ClientInfoError);
+impl_serialize_basic!(WindowError);
 
 
 impl Serialize for HandlerError {

src-tauri/src/lib.rs

@@ -7,5 +7,6 @@ mod clientinfo;
 mod ipc;
 mod state;
 mod server;
+mod shortcuts;
 mod terminal;
 mod tray;

src-tauri/src/main.rs

@@ -6,7 +6,7 @@
 use creddy::{
     app,
     cli,
-    errors::ErrorPopup,
+    errors::ShowError,
 };
 
 
@@ -18,6 +18,7 @@ fn main() {
         },
         Some(("get", m)) => cli::get(m),
         Some(("exec", m)) => cli::exec(m),
+        Some(("shortcut", m)) => cli::invoke_shortcut(m),
         _ => unreachable!(),
     };
 

src-tauri/src/server.rs

@@ -1,184 +0,0 @@
-use std::time::Duration;
-
-#[cfg(windows)]
-use tokio::net::windows::named_pipe::{
-    NamedPipeServer,
-    ServerOptions,
-};
-use tokio::io::{AsyncReadExt, AsyncWriteExt};
-use tokio::sync::oneshot;
-
-use serde::{Serialize, Deserialize};
-
-use tauri::{
-    AppHandle,
-    Manager,
-    async_runtime as rt,
-};
-
-use crate::errors::*;
-use crate::clientinfo::{self, Client};
-use crate::credentials::Credentials;
-use crate::ipc::{Approval, AwsRequestNotification};
-use crate::state::AppState;
-
-
-#[derive(Serialize, Deserialize)]
-pub enum Request {
-    GetAwsCredentials{ 
-        base: bool,
-    },
-}
-
-
-#[derive(Debug, Serialize, Deserialize)]
-pub enum Response {
-    Aws(Credentials)
-}
-
-
-pub struct Server {
-    listener: tokio::net::windows::named_pipe::NamedPipeServer,
-    app_handle: AppHandle,
-}
-
-impl Server {
-    pub fn start(app_handle: AppHandle) -> std::io::Result<()> {
-        let listener = ServerOptions::new()
-            .first_pipe_instance(true)
-            .create(r"\\.\pipe\creddy-requests")?;
-
-        let srv = Server {listener, app_handle};
-        rt::spawn(srv.serve());
-        Ok(())
-    }
-
-    async fn serve(mut self) {
-        loop {
-            if let Err(e) = self.try_serve().await {
-                eprintln!("Error accepting connection: {e}");
-            }
-        }
-    }
-
-    async fn try_serve(&mut self) -> std::io::Result<()> {
-        // connect() just waits for a client to connect, it doesn't return anything
-        self.listener.connect().await?;
-
-        // create a new pipe instance to listen for the next client, and swap it in
-        let new_listener = ServerOptions::new().create(r"\\.\pipe\creddy-requests")?;
-        let mut stream = std::mem::replace(&mut self.listener, new_listener);
-        let new_handle = self.app_handle.app_handle();
-        rt::spawn(async move {
-            let res = serde_json::to_string(
-                &handle(&mut stream, new_handle).await
-            ).unwrap();
-            if let Err(e) = stream.write_all(res.as_bytes()).await {
-                eprintln!("Error responding to request: {e}");
-            }
-        });
-
-        Ok(())
-    }
-}
-
-
-async fn handle(stream: &mut NamedPipeServer, app_handle: AppHandle) -> Result<Response, HandlerError> {
-    // read from stream until delimiter is reached
-    let mut buf: Vec<u8> = Vec::with_capacity(1024); // requests are small, 1KiB is more than enough
-    let mut n = 0;
-    loop {
-        n += stream.read_buf(&mut buf).await?;
-        if let Some(&b'\n') = buf.last() {
-            break;
-        }
-        else if n >= 1024 {
-            return Err(HandlerError::RequestTooLarge);
-        }
-    }
-
-    let client = clientinfo::get_client_parent(&stream)?;
-
-    let req: Request = serde_json::from_slice(&buf)?;
-    match req {
-        Request::GetAwsCredentials{ base } => get_aws_credentials(base, client, app_handle).await,
-        // etc
-    }
-}
-
-
-async fn get_aws_credentials(base: bool, client: Client, app_handle: AppHandle) -> Result<Response, HandlerError> {
-    let state = app_handle.state::<AppState>();
-
-    let main_window = app_handle.get_window("main").ok_or(HandlerError::NoMainWindow)?;
-    let is_currently_visible = main_window.is_visible()?;
-    let rehide_after = state.get_or_set_rehide(!is_currently_visible).await;
-
-    let (chan_send, chan_recv) = oneshot::channel();
-    let request_id = state.register_request(chan_send).await;
-
-    // if an error occurs in any of the following, we want to abort the operation
-    // but ? returns immediately, and we want to unregister the request before returning
-    // so we bundle it all up in an async block and return a Result so we can handle errors
-    let proceed = async {
-        let notification = AwsRequestNotification {id: request_id, client, base};
-        app_handle.emit_all("credentials-request", &notification)?;
-
-        if !main_window.is_visible()? {
-            main_window.unminimize()?;
-            main_window.show()?;
-        }
-        main_window.set_focus()?;
-
-        match chan_recv.await {
-            Ok(Approval::Approved) => {
-                if base {
-                    let creds = state.base_creds_cloned().await?;
-                    Ok(Response::Aws(Credentials::Base(creds)))
-                }
-                else {
-                    let creds = state.session_creds_cloned().await?;
-                    Ok(Response::Aws(Credentials::Session(creds)))
-                }
-            },
-            Ok(Approval::Denied) => Err(HandlerError::Denied),
-            Err(_e) => Err(HandlerError::Internal),
-        }
-    };
-
-    let result = match proceed.await {
-        Ok(r) => Ok(r),
-        Err(e) => {
-            state.unregister_request(request_id).await;
-            Err(e)
-        }
-    };
-
-    rt::spawn(
-        handle_rehide(rehide_after, app_handle.app_handle())
-    );
-    result
-}
-
-
-async fn handle_rehide(rehide_after: bool, app_handle: AppHandle) {
-    let state = app_handle.state::<AppState>();
-    let delay = {
-        let config = state.config.read().await;
-        Duration::from_millis(config.rehide_ms)
-    };
-    tokio::time::sleep(delay).await;
-
-    // if there are no other pending requests, set rehide status back to None
-    if state.req_count().await == 0 {
-        state.clear_rehide().await;
-        // and hide the window if necessary
-        if rehide_after {
-            app_handle.get_window("main").map(|w| {
-                if let Err(e) = w.hide() {
-                    eprintln!("{e}");
-                }
-            });
-        }
-    }
-}

src-tauri/src/server/mod.rs

@@ -0,0 +1,126 @@
+use tokio::io::{AsyncReadExt, AsyncWriteExt};
+use tokio::sync::oneshot;
+
+use serde::{Serialize, Deserialize};
+
+use tauri::{AppHandle, Manager};
+
+use crate::errors::*;
+use crate::clientinfo::{self, Client};
+use crate::credentials::Credentials;
+use crate::ipc::{Approval, AwsRequestNotification};
+use crate::state::AppState;
+use crate::shortcuts::{self, ShortcutAction};
+
+#[cfg(windows)]
+mod server_win;
+#[cfg(windows)]
+pub use server_win::Server;
+#[cfg(windows)]
+use server_win::Stream;
+
+#[cfg(unix)]
+mod server_unix;
+#[cfg(unix)]
+pub use server_unix::Server;
+#[cfg(unix)]
+use server_unix::Stream;
+
+
+#[derive(Serialize, Deserialize)]
+pub enum Request {
+    GetAwsCredentials{ 
+        base: bool,
+    },
+    InvokeShortcut(ShortcutAction),
+}
+
+
+#[derive(Debug, Serialize, Deserialize)]
+pub enum Response {
+    Aws(Credentials),
+    Empty,
+}
+
+
+async fn handle(mut stream: Stream, app_handle: AppHandle, client_pid: u32) -> Result<(), HandlerError> 
+{
+    // read from stream until delimiter is reached
+    let mut buf: Vec<u8> = Vec::with_capacity(1024); // requests are small, 1KiB is more than enough
+    let mut n = 0;
+    loop {
+        n += stream.read_buf(&mut buf).await?;
+        if let Some(&b'\n') = buf.last() {
+            break;
+        }
+        else if n >= 1024 {
+            return Err(HandlerError::RequestTooLarge);
+        }
+    }
+
+    let client = clientinfo::get_process_parent_info(client_pid)?;
+
+    let req: Request = serde_json::from_slice(&buf)?;
+    let res = match req {
+        Request::GetAwsCredentials{ base } => get_aws_credentials(base, client, app_handle).await,
+        Request::InvokeShortcut(action) => invoke_shortcut(action).await,
+    };
+
+    let res = serde_json::to_vec(&res).unwrap();
+    stream.write_all(&res).await?;
+    Ok(())
+}
+
+
+async fn invoke_shortcut(action: ShortcutAction) -> Result<Response, HandlerError> {
+    shortcuts::exec_shortcut(action);
+    Ok(Response::Empty)
+}
+
+
+async fn get_aws_credentials(base: bool, client: Client, app_handle: AppHandle) -> Result<Response, HandlerError> {
+    let state = app_handle.state::<AppState>();
+    let rehide_ms = {
+        let config = state.config.read().await;
+        config.rehide_ms
+    };
+    let lease = state.acquire_visibility_lease(rehide_ms).await
+        .map_err(|_e| HandlerError::NoMainWindow)?; // automate this conversion eventually?
+
+    let (chan_send, chan_recv) = oneshot::channel();
+    let request_id = state.register_request(chan_send).await;
+
+    // if an error occurs in any of the following, we want to abort the operation
+    // but ? returns immediately, and we want to unregister the request before returning
+    // so we bundle it all up in an async block and return a Result so we can handle errors
+    let proceed = async {
+        let notification = AwsRequestNotification {id: request_id, client, base};
+        app_handle.emit_all("credentials-request", &notification)?;
+
+        match chan_recv.await {
+            Ok(Approval::Approved) => {
+                if base {
+                    let creds = state.base_creds_cloned().await?;
+                    Ok(Response::Aws(Credentials::Base(creds)))
+                }
+                else {
+                    let creds = state.session_creds_cloned().await?;
+                    Ok(Response::Aws(Credentials::Session(creds)))
+                }
+            },
+            Ok(Approval::Denied) => Err(HandlerError::Denied),
+            Err(_e) => Err(HandlerError::Internal),
+        }
+    };
+
+    let result = match proceed.await {
+        Ok(r) => Ok(r),
+        Err(e) => {
+            state.unregister_request(request_id).await;
+            Err(e)
+        }
+    };
+
+    lease.release();
+    result
+}

src-tauri/src/server/server_unix.rs

@@ -0,0 +1,59 @@
+use std::io::ErrorKind;
+use tokio::net::{UnixListener, UnixStream};
+use tauri::{
+    AppHandle,
+    Manager,
+    async_runtime as rt,
+};
+
+use crate::errors::*;
+
+
+pub type Stream = UnixStream;
+
+
+pub struct Server {
+    listener: UnixListener,
+    app_handle: AppHandle,
+}
+
+impl Server {
+    pub fn start(app_handle: AppHandle) -> std::io::Result<()> {
+        match std::fs::remove_file("/tmp/creddy.sock") {
+            Ok(_) => (),
+            Err(e) if e.kind() == ErrorKind::NotFound => (),
+            Err(e) => return Err(e),
+        }
+
+        let listener = UnixListener::bind("/tmp/creddy.sock")?;
+        let srv = Server { listener, app_handle };
+        rt::spawn(srv.serve());
+        Ok(())
+    }
+
+    async fn serve(self) {
+        loop {
+            self.try_serve()
+                .await
+                .error_print_prefix("Error accepting request: ");
+        }
+    }
+
+    async fn try_serve(&self) -> Result<(), HandlerError> {
+        let (stream, _addr) = self.listener.accept().await?;
+        let new_handle = self.app_handle.app_handle();
+        let client_pid = get_client_pid(&stream)?;
+        rt::spawn(async move {
+            super::handle(stream, new_handle, client_pid)
+                .await
+                .error_print_prefix("Error responding to request: ");
+        });
+        Ok(())
+    }
+}
+
+
+fn get_client_pid(stream: &UnixStream) -> std::io::Result<u32> {
+    let cred = stream.peer_cred()?;
+    Ok(cred.pid().unwrap() as u32)
+}

src-tauri/src/server/server_win.rs

@@ -0,0 +1,75 @@
+use tokio::{
+    net::windows::named_pipe::{
+        NamedPipeServer,
+        ServerOptions,
+    },
+    sync::oneshot,
+};
+
+use windows::Win32:: {
+    Foundation::HANDLE,
+    System::Pipes::GetNamedPipeClientProcessId,
+};
+
+use std::os::windows::io::AsRawHandle;
+
+use tauri::async_runtime as rt;
+
+use crate::errors::*;
+
+
+// used by parent module
+pub type Stream = NamedPipeServer;
+
+
+pub struct Server {
+    listener: NamedPipeServer,
+    app_handle: AppHandle,
+}
+
+impl Server {
+    pub fn start(app_handle: AppHandle) -> std::io::Result<()> {
+        let listener = ServerOptions::new()
+            .first_pipe_instance(true)
+            .create(r"\\.\pipe\creddy-requests")?;
+
+        let srv = Server {listener, app_handle};
+        rt::spawn(srv.serve());
+        Ok(())
+    }
+
+    async fn serve(mut self) {
+        loop {
+            if let Err(e) = self.try_serve().await {
+                eprintln!("Error accepting connection: {e}");
+            }
+        }
+    }
+
+    async fn try_serve(&mut self) -> Result<(), HandlerError> {
+        // connect() just waits for a client to connect, it doesn't return anything
+        self.listener.connect().await?;
+
+        // create a new pipe instance to listen for the next client, and swap it in
+        let new_listener = ServerOptions::new().create(r"\\.\pipe\creddy-requests")?;
+        let mut stream = std::mem::replace(&mut self.listener, new_listener);
+        let new_handle = self.app_handle.app_handle();
+        let client_pid = get_client_pid(&stream)?;
+        rt::spawn(async move {
+            super::handle(stream, app_handle)
+                .await
+                .error_print_prefix("Error responding to request: ");
+        });
+
+        Ok(())
+    }
+}
+
+
+fn get_client_pid(pipe: &NamedPipeServer) -> Result<u32, ClientInfoError> {
+    let raw_handle = pipe.as_raw_handle();
+    let mut pid = 0u32;
+    let handle = HANDLE(raw_handle as _);
+    unsafe { GetNamedPipeClientProcessId(handle, &mut pid as *mut u32)? };
+    pid
+}

src-tauri/src/shortcuts.rs

@@ -1,12 +1,14 @@
 use serde::{Serialize, Deserialize};
 
 use tauri::{
-    AppHandle,
+    GlobalShortcutManager,
     Manager,
+    async_runtime as rt,
 };
 
 use crate::app::APP;
 use crate::config::HotkeysConfig;
+use crate::errors::*;
 use crate::terminal;
 
 
@@ -19,11 +21,18 @@ pub enum ShortcutAction {
 
 pub fn exec_shortcut(action: ShortcutAction) {
     match action {
-        ShowWindow => {
+        ShortcutAction::ShowWindow => {
             let app = APP.get().unwrap();
-            app.get_window("main").map(|w| w.show());
+            app.get_window("main")
+                .ok_or("Couldn't find application main window")
+                .map(|w| w.show().error_popup("Failed to show window"))
+                .error_popup("Failed to show window");
+        },
+        ShortcutAction::LaunchTerminal => {
+            rt::spawn(async {
+                terminal::launch(false).await.error_popup("Failed to launch terminal");
+            });
         },
-        LaunchTerminal => terminal::launch(false),
     }
 }
 
@@ -35,7 +44,7 @@ pub fn register_hotkeys(hotkeys: &HotkeysConfig) -> tauri::Result<()> {
 
     if hotkeys.show_window.enabled {
         manager.register(
-            hotkeys.show_window.keys,
+            &hotkeys.show_window.keys,
             || exec_shortcut(ShortcutAction::ShowWindow)
         )?;
     }

src-tauri/src/state.rs

@@ -1,10 +1,15 @@
 use std::collections::HashMap;
+use std::time::Duration;
 
 use tokio::{
     sync::RwLock,
-    sync::oneshot::Sender,
+    sync::oneshot::{self, Sender},
 };
 use sqlx::SqlitePool;
+use tauri::{
+    Manager,
+    async_runtime as rt,
+};
 
 use crate::credentials::{
     Session,
@@ -14,6 +19,73 @@ use crate::credentials::{
 use crate::{config, config::AppConfig};
 use crate::ipc::{self, Approval};
 use crate::errors::*;
+use crate::shortcuts;
+
+
+#[derive(Debug)]
+struct Visibility {
+    leases: usize,
+    original: Option<bool>,
+}
+
+impl Visibility {
+    fn new() -> Self {
+        Visibility { leases: 0, original: None }
+    }
+
+    fn acquire(&mut self, delay_ms: u64) -> Result<VisibilityLease, WindowError> {
+        let app = crate::app::APP.get().unwrap();
+        let window = app.get_window("main")
+            .ok_or(WindowError::NoMainWindow)?;
+
+        self.leases += 1;
+        if self.original.is_none() {
+            let is_visible = window.is_visible()?;
+            self.original = Some(is_visible);
+            if !is_visible {
+                window.show()?;
+            }
+        }
+        window.set_focus()?;
+
+        let (tx, rx) = oneshot::channel();
+        let lease = VisibilityLease { notify: tx };
+
+        let delay = Duration::from_millis(delay_ms);
+        let handle = app.app_handle();
+        rt::spawn(async move {
+            // We don't care if it's an error; lease being dropped should be handled identically
+            let _ = rx.await;
+            tokio::time::sleep(delay).await;
+            // we can't use `self` here because we would have to move it into the async block
+            let state = handle.state::<AppState>();
+            let mut visibility = state.visibility.write().await;
+            visibility.leases -= 1;
+            if visibility.leases == 0 {
+                if let Some(false) = visibility.original {
+                    window.hide().error_print();
+                }
+                visibility.original = None;
+            }
+        });
+
+        Ok(lease)
+    }
+}
+
+pub struct VisibilityLease {
+    notify: Sender<()>,
+}
+
+impl VisibilityLease {
+    pub fn release(self) {
+        rt::spawn(async move {
+            if let Err(_) = self.notify.send(()) {
+                eprintln!("Error releasing visibility lease")
+            }
+        });
+    }
+}
 
 
 #[derive(Debug)]
@@ -22,11 +94,11 @@ pub struct AppState {
     pub session: RwLock<Session>,
     pub request_count: RwLock<u64>,
     pub waiting_requests: RwLock<HashMap<u64, Sender<Approval>>>,
-    pub current_rehide_status: RwLock<Option<bool>>,
     pub pending_terminal_request: RwLock<bool>,
     // setup_errors is never modified and so doesn't need to be wrapped in RwLock
     pub setup_errors: Vec<String>,
     pool: sqlx::SqlitePool,
+    visibility: RwLock<Visibility>,
 }
 
 impl AppState {
@@ -41,10 +113,10 @@ impl AppState {
             session: RwLock::new(session),
             request_count: RwLock::new(0),
             waiting_requests: RwLock::new(HashMap::new()),
-            current_rehide_status: RwLock::new(None),
             pending_terminal_request: RwLock::new(false),
             setup_errors,
             pool,
+            visibility: RwLock::new(Visibility::new()),
         }
     }
 
@@ -69,7 +141,7 @@ impl AppState {
         if new_config.hotkeys.show_window != live_config.hotkeys.show_window
             || new_config.hotkeys.launch_terminal != live_config.hotkeys.launch_terminal
         {
-            config::register_hotkeys(&new_config.hotkeys)?;
+            shortcuts::register_hotkeys(&new_config.hotkeys)?;
         }
 
         new_config.save(&self.pool).await?;
@@ -94,25 +166,9 @@ impl AppState {
         waiting_requests.remove(&id);
     }
 
-    pub async fn req_count(&self) -> usize {
-        let waiting_requests = self.waiting_requests.read().await;
-        waiting_requests.len()
-    }
-
-    pub async fn get_or_set_rehide(&self, new_value: bool) -> bool {
-        let mut rehide = self.current_rehide_status.write().await;
-        match *rehide {
-            Some(original) => original,
-            None => {
-                *rehide = Some(new_value);
-                new_value
-            }
-        }
-    }
-
-    pub async fn clear_rehide(&self) {
-        let mut rehide = self.current_rehide_status.write().await;
-        *rehide = None;
+    pub async fn acquire_visibility_lease(&self, delay: u64) -> Result<VisibilityLease, WindowError> {
+        let mut visibility = self.visibility.write().await;
+        visibility.acquire(delay)
     }
 
     pub async fn send_response(&self, response: ipc::RequestResponse) -> Result<(), SendResponseError> {

src-tauri/src/terminal.rs

@@ -26,13 +26,8 @@ pub async fn launch(use_base: bool) -> Result<(), LaunchTerminalError> {
     // if session is unlocked or empty, wait for credentials from frontend
     if !state.is_unlocked().await {
         app.emit_all("launch-terminal-request", ())?;
-        let window = app.get_window("main")
-            .ok_or(LaunchTerminalError::NoMainWindow)?;
-        if !window.is_visible()? {
-            window.unminimize()?;
-            window.show()?;
-        }
-        window.set_focus()?;
+        let lease = state.acquire_visibility_lease(0).await
+            .map_err(|_e| LaunchTerminalError::NoMainWindow)?; // automate conversion eventually?
 
         let (tx, rx) = tokio::sync::oneshot::channel();
         app.once_global("credentials-event", move |e| {
@@ -47,6 +42,7 @@ pub async fn launch(use_base: bool) -> Result<(), LaunchTerminalError> {
             state.unregister_terminal_request().await;
             return Ok(()); // request was canceled by user
         }
+        lease.release();
     }
 
     // more lock-management

src-tauri/tauri.conf.json

@@ -8,7 +8,7 @@
   },
   "package": {
     "productName": "creddy",
-    "version": "0.3.3"
+    "version": "0.4.0"
   },
   "tauri": {
     "allowlist": {

src/ui/settings/NumericSetting.svelte

@@ -10,15 +10,21 @@
     export let min = null;
     export let max = null;
     export let decimal = false;
+    export let debounceInterval = 0;
 
     const dispatch = createEventDispatcher();
 
     $: localValue = value.toString();
     let lastInputTime = null;
     function debounce(event) {
-        lastInputTime = Date.now();
         localValue = localValue.replace(/[^-0-9.]/g, '');
 
+        if (debounceInterval === 0) {
+            updateValue(localValue);
+            return;
+        }
+
+        lastInputTime = Date.now();
         const eventTime = lastInputTime;
         const pendingValue = localValue;
         window.setTimeout(
@@ -28,7 +34,7 @@
                     updateValue(pendingValue);
                 }
             },
-            500
+            debounceInterval,
         )
     }
 

src/views/EnterCredentials.svelte

@@ -1,6 +1,7 @@
 <script>
     import { onMount } from 'svelte';
     import { invoke } from '@tauri-apps/api/tauri';
+    import { emit } from '@tauri-apps/api/event';
     import { getRootCause } from '../lib/errors.js';
 
     import { appState } from '../lib/state.js';

src/views/Settings.svelte

@@ -14,15 +14,18 @@
     import { backInOut } from 'svelte/easing';
 
 
+    // make an independent copy so it can differ from the main config object
+    let config = JSON.parse(JSON.stringify($appState.config));
+    $: configModified = JSON.stringify(config) !== JSON.stringify($appState.config);
+
     let error = null;
     async function save() {
-        console.log('updating config');
         try {
-            await invoke('save_config', {config: $appState.config});
+            await invoke('save_config', {config});
+            $appState.config = await invoke('get_config');
         }
         catch (e) {
             error = e;
-            $appState.config = await invoke('get_config');
         }
     }
 
@@ -35,62 +38,60 @@
     <h1 slot="title" class="text-2xl font-bold">Settings</h1>
 </Nav>
 
-{#await invoke('get_config') then config}
-    <div class="max-w-lg mx-auto mt-1.5 p-4 space-y-16">
-        <SettingsGroup name="General">            
-            <ToggleSetting title="Start on login" bind:value={$appState.config.start_on_login} on:update={save}>
-                <svelte:fragment slot="description">
-                    Start Creddy when you log in to your computer.
-                </svelte:fragment>
-            </ToggleSetting>
+<div class="max-w-lg mx-auto mt-1.5 mb-24 p-4 space-y-16">
+    <SettingsGroup name="General">            
+        <ToggleSetting title="Start on login" bind:value={config.start_on_login}>
+            <svelte:fragment slot="description">
+                Start Creddy when you log in to your computer.
+            </svelte:fragment>
+        </ToggleSetting>
 
-            <ToggleSetting title="Start minimized" bind:value={$appState.config.start_minimized} on:update={save}>
-                <svelte:fragment slot="description">
-                    Minimize to the system tray at startup.
-                </svelte:fragment>
-            </ToggleSetting>
+        <ToggleSetting title="Start minimized" bind:value={config.start_minimized}>
+            <svelte:fragment slot="description">
+                Minimize to the system tray at startup.
+            </svelte:fragment>
+        </ToggleSetting>
 
-            <NumericSetting title="Re-hide delay" bind:value={$appState.config.rehide_ms} min={0} unit="Milliseconds" on:update={save}>
-                <svelte:fragment slot="description">
-                    How long to wait after a request is approved/denied before minimizing
-                    the window to tray. Only applicable if the window was minimized
-                    to tray before the request was received.
-                </svelte:fragment>
-            </NumericSetting>
+        <NumericSetting title="Re-hide delay" bind:value={config.rehide_ms} min={0} unit="Milliseconds">
+            <svelte:fragment slot="description">
+                How long to wait after a request is approved/denied before minimizing
+                the window to tray. Only applicable if the window was minimized
+                to tray before the request was received.
+            </svelte:fragment>
+        </NumericSetting>
 
-            <Setting title="Update credentials">
-                <Link slot="input" target="EnterCredentials">
-                    <button class="btn btn-sm btn-primary">Update</button>
-                </Link>
-                <svelte:fragment slot="description">
-                    Update or re-enter your encrypted credentials.
-                </svelte:fragment>
-            </Setting>
+        <Setting title="Update credentials">
+            <Link slot="input" target="EnterCredentials">
+                <button class="btn btn-sm btn-primary">Update</button>
+            </Link>
+            <svelte:fragment slot="description">
+                Update or re-enter your encrypted credentials.
+            </svelte:fragment>
+        </Setting>
 
-            <FileSetting
-                title="Terminal emulator"
-                bind:value={$appState.config.terminal.exec}
-                on:update={save}
-            >
-                <svelte:fragment slot="description">
-                    Choose your preferred terminal emulator (e.g. <code>gnome-terminal</code> or <code>wt.exe</code>.) May be an absolute path or an executable discoverable on <code>$PATH</code>.
-                </svelte:fragment>
-            </FileSetting>
-        </SettingsGroup>
+        <FileSetting
+            title="Terminal emulator"
+            bind:value={config.terminal.exec}
+        
+        >
+            <svelte:fragment slot="description">
+                Choose your preferred terminal emulator (e.g. <code>gnome-terminal</code> or <code>wt.exe</code>.) May be an absolute path or an executable discoverable on <code>$PATH</code>.
+            </svelte:fragment>
+        </FileSetting>
+    </SettingsGroup>
 
-        <SettingsGroup name="Hotkeys">
-            <div class="space-y-4">
-                <p>Click on a keybinding to modify it. Use the checkbox to enable or disable a keybinding entirely.</p>
+    <SettingsGroup name="Hotkeys">
+        <div class="space-y-4">
+            <p>Click on a keybinding to modify it. Use the checkbox to enable or disable a keybinding entirely.</p>
 
-                <div class="grid grid-cols-[auto_1fr_auto] gap-y-3 items-center">
-                    <Keybind description="Show Creddy" value={$appState.config.hotkeys.show_window} on:update={save} />
-                    <Keybind description="Launch terminal" value={$appState.config.hotkeys.launch_terminal} on:update={save} />
-                </div>
+            <div class="grid grid-cols-[auto_1fr_auto] gap-y-3 items-center">
+                <Keybind description="Show Creddy" bind:value={config.hotkeys.show_window} />
+                <Keybind description="Launch terminal" bind:value={config.hotkeys.launch_terminal} />
             </div>
-        </SettingsGroup>
+        </div>
+    </SettingsGroup>
 
-    </div>
-{/await}
+</div>
 
 {#if error}
     <div transition:fly={{y: 100, easing: backInOut, duration: 400}} class="toast">
@@ -104,4 +105,15 @@
             </div>
         </div>
     </div>
+{:else if configModified}
+    <div transition:fly={{y: 100, easing: backInOut, duration: 400}} class="toast">
+        <div class="alert shadow-lg no-animation">
+            <span>You have unsaved changes.</span>
+
+            <div>
+                <!-- <button class="btn btn-sm btn-ghost">Cancel</button> -->
+                <buton class="btn btn-sm btn-primary" on:click={save}>Save</buton>
+            </div>
+        </div>
+    </div>
 {/if}