mirror of
https://github.com/storytold/craft-launcher.git
synced 2026-11-02 16:50:50 +00:00
JeremyandClaude Opus 5.5
1167239dfe
Only tarball apps on Linux were given CRAFT_VERSIONS_FILE. Now every launch route passes it: Windows (exe and MSI) and AppImages through the process environment, Flatpak apps through `flatpak run --env=`, and anything the Flatpak launcher starts on the host through `flatpak-spawn --env=`. macOS apps open through Launch Services with the real home, so they find the file at its default path; `open` is left unchanged since not every macOS version takes an environment. Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
792 lines
31 KiB
Rust
792 lines
31 KiB
Rust
//! Starting programs: the Craft Apps themselves, the file manager, and helper tools.
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use std::ffi::OsStr;
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use std::path::{Path, PathBuf};
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use std::process::{Command, Stdio};
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use std::sync::atomic::{AtomicBool, Ordering};
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use std::time::{Duration, Instant};
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/// A `Command` that won't flash a console window on Windows, and clears AppImage-injected
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/// environment variables that corrupt system helper binaries and external applications.
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pub fn command(program: impl AsRef<std::ffi::OsStr>) -> Command {
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#[allow(unused_mut)]
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let mut cmd = Command::new(program);
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#[cfg(windows)]
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{
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use std::os::windows::process::CommandExt;
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const CREATE_NO_WINDOW: u32 = 0x0800_0000;
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cmd.creation_flags(CREATE_NO_WINDOW);
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}
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#[cfg(unix)]
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clean_appimage_env(&mut cmd);
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cmd
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}
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/// Cleans AppImage runtime environment variables so child processes don't load incompatible
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/// libraries from the launcher's bundled AppImage.
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#[cfg(unix)]
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pub fn clean_appimage_env(cmd: &mut Command) {
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if std::env::var_os("APPIMAGE").is_some() {
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for var in [
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"LD_LIBRARY_PATH",
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"LD_PRELOAD",
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"APPDIR",
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"APPIMAGE",
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"ARGV0",
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"OWD",
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"GDK_PIXBUF_MODULE_FILE",
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"GIO_MODULE_DIR",
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"GTK_PATH",
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"PYTHONHOME",
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"QT_PLUGIN_PATH",
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] {
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cmd.env_remove(var);
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}
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}
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}
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/// Runs a helper and returns its standard output when it succeeds within `timeout`.
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pub fn capture(program: &str, args: &[&str], timeout: Duration) -> Option<String> {
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run(program, args, timeout).ok()
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}
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/// Runs a helper and returns its standard output when it succeeds within `timeout`; otherwise
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/// the reason, in the helper's own words (its standard error) where it gave one.
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pub fn run(program: &str, args: &[&str], timeout: Duration) -> Result<String, String> {
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let mut cmd = command(program);
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cmd.args(args);
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run_command(cmd, program, timeout)
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}
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/// Runs a configured helper with bounded output and a timeout.
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pub fn run_command(mut cmd: Command, program: &str, timeout: Duration) -> Result<String, String> {
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let mut child =
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cmd.stdin(Stdio::null()).stdout(Stdio::piped()).stderr(Stdio::piped()).spawn().map_err(|e| format!("couldn't start {program} ({e})"))?;
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// Read both pipes while it runs, so a chatty helper can't block on a full one.
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let (stdout, stderr) = (read_all(child.stdout.take()), read_all(child.stderr.take()));
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let start = Instant::now();
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let status = loop {
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match child.try_wait() {
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Ok(Some(status)) => break status,
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Ok(None) if start.elapsed() < timeout => std::thread::sleep(Duration::from_millis(15)),
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_ => {
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let _ = child.kill();
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let _ = child.wait();
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return Err(format!("{program} didn't finish within {} seconds", timeout.as_secs()));
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}
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}
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};
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// A descendant may retain a pipe after the direct child exits. Keep reader completion
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// under the same deadline; on timeout the readers detach, as in the child timeout path.
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while !stdout.is_finished() || !stderr.is_finished() {
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if start.elapsed() >= timeout {
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return Err(format!("{program} didn't finish within {} seconds", timeout.as_secs()));
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}
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std::thread::sleep(Duration::from_millis(15));
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}
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let text = |pipe: std::thread::JoinHandle<Vec<u8>>| String::from_utf8_lossy(&pipe.join().unwrap_or_default()).into_owned();
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let (out, err) = (text(stdout), text(stderr));
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if status.success() {
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return Ok(out);
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}
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let reason = err.trim();
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Err(if reason.is_empty() { format!("{program} failed ({status})") } else { reason.to_string() })
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}
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/// Captures at most 8 MB of a child's pipe and drains the rest on its own thread.
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fn read_all<R: std::io::Read + Send + 'static>(pipe: Option<R>) -> std::thread::JoinHandle<Vec<u8>> {
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std::thread::spawn(move || {
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let mut out = Vec::new();
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if let Some(mut pipe) = pipe {
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let _ = std::io::Read::read_to_end(&mut std::io::Read::take(&mut pipe, 8 << 20), &mut out);
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// Keep reading without retaining more output: closing a full pipe early can make a
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// successful helper fail with a broken pipe (SIGPIPE on Unix).
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let _ = std::io::copy(&mut pipe, &mut std::io::sink());
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}
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out
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})
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}
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/// Starts `cmd` without waiting for it, and reaps it when it exits.
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pub fn spawn_detached(mut cmd: Command) -> Result<(), String> {
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let mut child = cmd.stdin(Stdio::null()).stdout(Stdio::null()).stderr(Stdio::null()).spawn().map_err(|e| format!("couldn't start it ({e})"))?;
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std::thread::spawn(move || {
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let _ = child.wait();
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});
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Ok(())
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}
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/// Waits up to `timeout` for the process `pid` to exit, and says whether it has. A process that
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/// can't be opened, because it's gone or never was, counts as exited.
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#[cfg(windows)]
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pub fn wait_for_exit(pid: u32, timeout: Duration) -> bool {
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use winsafe::{HPROCESS, co};
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let Ok(process) = HPROCESS::OpenProcess(co::PROCESS::SYNCHRONIZE, false, pid) else { return true };
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// u32::MAX would mean INFINITE.
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let ms = u32::try_from(timeout.as_millis()).unwrap_or(u32::MAX - 1);
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process.WaitForSingleObject(Some(ms)).is_ok_and(|w| w == co::WAIT::OBJECT_0)
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}
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/// Whether this process is running inside a Flatpak container sandbox.
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pub fn in_sandbox() -> bool {
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std::env::var_os("FLATPAK_ID").is_some() || Path::new("/.flatpak-info").exists()
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}
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/// A command to run `flatpak`, delegating to the host via `flatpak-spawn --host` if inside a sandbox.
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pub fn flatpak_command() -> Command {
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if in_sandbox() {
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let mut cmd = command("flatpak-spawn");
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cmd.args(["--host", "flatpak"]);
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cmd
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} else {
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command("flatpak")
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}
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}
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/// Runs a flatpak command and captures its standard output.
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pub fn capture_flatpak(args: &[&str], timeout: Duration) -> Option<String> {
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if in_sandbox() {
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let mut spawn_args = vec!["--host", "flatpak"];
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spawn_args.extend_from_slice(args);
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capture("flatpak-spawn", &spawn_args, timeout)
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} else {
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capture("flatpak", args, timeout)
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}
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}
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/// Whether Flatpak is available on the machine (or on the host when sandboxed).
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pub fn is_flatpak_available() -> bool {
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if in_sandbox() {
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capture("flatpak-spawn", &["--host", "flatpak", "--version"], Duration::from_secs(3)).is_some()
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} else {
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which_on_path("flatpak").is_some()
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}
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}
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static DISCORD_HANDLER_DETECTED: AtomicBool = AtomicBool::new(false);
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static DETECTION_STARTED: AtomicBool = AtomicBool::new(false);
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/// Starts asynchronous detection of a registered Discord URL scheme handler in the background.
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pub fn ensure_discord_detection_started() {
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if !DETECTION_STARTED.swap(true, Ordering::Relaxed) {
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let _ = std::thread::Builder::new().name("discord-detect".into()).spawn(|| {
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let detected = detect_discord_scheme_handler();
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DISCORD_HANDLER_DETECTED.store(detected, Ordering::Relaxed);
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});
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}
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}
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/// Whether a registered Discord scheme handler has been detected on this machine.
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///
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/// Triggers background detection if not yet started, and returns immediately without
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/// blocking the calling thread.
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pub fn is_discord_installed() -> bool {
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ensure_discord_detection_started();
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DISCORD_HANDLER_DETECTED.load(Ordering::Relaxed)
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}
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/// The URL to use for Discord links: deep-links to the app if a handler is registered,
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/// else the web invite. Non-blocking (detection runs in the background).
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pub fn discord_url() -> &'static str {
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if is_discord_installed() { artcraft_launcher_core::catalog::DISCORD_APP_URL } else { artcraft_launcher_core::catalog::DISCORD_URL }
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}
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#[cfg(windows)]
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fn detect_discord_scheme_handler() -> bool {
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use winreg::RegKey;
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use winreg::enums::{HKEY_CLASSES_ROOT, HKEY_CURRENT_USER, HKEY_LOCAL_MACHINE, KEY_READ};
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for hive in [HKEY_CURRENT_USER, HKEY_CLASSES_ROOT, HKEY_LOCAL_MACHINE] {
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let subkey = if hive == HKEY_CLASSES_ROOT { r"discord\shell\open\command" } else { r"Software\Classes\discord\shell\open\command" };
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if let Ok(key) = RegKey::predef(hive).open_subkey_with_flags(subkey, KEY_READ)
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&& let Ok(val) = key.get_value::<String, _>("")
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&& !val.trim().is_empty()
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{
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return true;
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}
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}
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false
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}
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#[cfg(target_os = "macos")]
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fn detect_discord_scheme_handler() -> bool {
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macos_discord_candidates(dirs::home_dir().as_deref()).iter().any(|app_dir| {
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let plist_path = app_dir.join("Contents/Info.plist");
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if let Ok(content) = std::fs::read_to_string(&plist_path) { content.contains("<string>discord</string>") } else { false }
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})
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}
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#[cfg(any(target_os = "macos", test))]
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fn macos_discord_candidates(home: Option<&Path>) -> Vec<std::path::PathBuf> {
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let apps = ["Discord.app", "Discord Canary.app", "Discord PTB.app", "Discord Development.app"];
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let mut dirs = vec![std::path::PathBuf::from("/Applications")];
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if let Some(home) = home {
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dirs.push(home.join("Applications"));
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}
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let mut out = Vec::new();
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for dir in dirs {
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for app in apps {
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out.push(dir.join(app));
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}
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}
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out
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}
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#[cfg(target_os = "linux")]
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fn detect_discord_scheme_handler() -> bool {
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// 1. Query xdg-mime for the registered scheme handler (on host or in flatpak sandbox).
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let mime_query = if in_sandbox() {
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capture("flatpak-spawn", &["--host", "xdg-mime", "query", "default", "x-scheme-handler/discord"], Duration::from_millis(800))
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} else {
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capture("xdg-mime", &["query", "default", "x-scheme-handler/discord"], Duration::from_millis(800))
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};
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if let Some(out) = mime_query {
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let trimmed = out.trim();
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if !trimmed.is_empty() && trimmed.ends_with(".desktop") {
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return true;
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}
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}
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// 2. Fall back to inspecting installed desktop files to ensure MimeType includes
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// x-scheme-handler/discord (preventing silent failures as in Arch FS#76847).
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for path in linux_discord_candidates(dirs::home_dir().as_deref()) {
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if path.extension().is_some_and(|ext| ext == "desktop")
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&& let Ok(content) = std::fs::read_to_string(&path)
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&& content.lines().any(|line| {
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let line = line.trim();
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line.starts_with("MimeType=") && line.contains("x-scheme-handler/discord")
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})
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{
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return true;
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}
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}
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false
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}
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#[cfg(any(target_os = "linux", test))]
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fn linux_discord_candidates(home: Option<&Path>) -> Vec<std::path::PathBuf> {
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let mut files = vec![
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std::path::PathBuf::from("/usr/share/applications/discord.desktop"),
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std::path::PathBuf::from("/usr/share/applications/discord-canary.desktop"),
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std::path::PathBuf::from("/usr/share/applications/discord-ptb.desktop"),
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std::path::PathBuf::from("/var/lib/flatpak/exports/share/applications/com.discordapp.Discord.desktop"),
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std::path::PathBuf::from("/var/lib/flatpak/exports/share/applications/com.discordapp.DiscordCanary.desktop"),
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std::path::PathBuf::from("/var/lib/snapd/desktop/applications/discord_discord.desktop"),
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std::path::PathBuf::from("/snap/bin/discord"),
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];
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if let Some(home) = home {
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files.push(home.join(".local/share/applications/discord.desktop"));
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files.push(home.join(".local/share/applications/discord-canary.desktop"));
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files.push(home.join(".local/share/applications/discord-ptb.desktop"));
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files.push(home.join(".local/share/flatpak/exports/share/applications/com.discordapp.Discord.desktop"));
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files.push(home.join(".local/share/flatpak/exports/share/applications/com.discordapp.DiscordCanary.desktop"));
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}
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files
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}
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#[cfg(not(any(windows, target_os = "macos", target_os = "linux")))]
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fn detect_discord_scheme_handler() -> bool {
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false
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}
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fn which_on_path(name: &str) -> Option<std::path::PathBuf> {
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let path = std::env::var_os("PATH")?;
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std::env::split_paths(&path).map(|d| d.join(name)).find(|p| p.is_file())
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}
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/// Starts an app binary from its own folder.
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pub fn launch_binary(exe: &Path, args: &[&str]) -> Result<(), String> {
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launch_binary_with_env(exe, args, &[])
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}
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/// Starts an app binary from its own folder with `env` added to its environment. Inside the
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/// sandbox `flatpak-spawn` does not pass the launcher's environment on, so each one becomes an
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/// `--env=` argument instead.
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pub fn launch_binary_with_env(exe: &Path, args: &[&str], env: &[(&str, &std::ffi::OsStr)]) -> Result<(), String> {
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let mut cmd = if in_sandbox() {
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let mut c = command("flatpak-spawn");
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c.arg("--host");
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c.args(env_args(env));
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c.arg(exe);
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c
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} else {
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let mut c = command(exe);
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c.envs(env.iter().copied());
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c
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};
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cmd.args(args);
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if let Some(dir) = exe.parent() {
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cmd.current_dir(dir);
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}
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spawn_detached(cmd)
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}
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/// `--env=NAME=VALUE` for each of `env`, as `flatpak run` and `flatpak-spawn` take them.
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pub fn env_args(env: &[(&str, &std::ffi::OsStr)]) -> Vec<std::ffi::OsString> {
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env.iter()
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.map(|(name, value)| {
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let mut arg = std::ffi::OsString::from(format!("--env={name}="));
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arg.push(value);
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arg
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})
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.collect()
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}
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/// Opens a file, folder or URL with the system's default handler.
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pub fn open(target: &std::ffi::OsStr) -> Result<(), String> {
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spawn_detached(opener(target)?)
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}
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/// The system's default opener for `target`: `explorer` on Windows, `open` on macOS, and
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/// `xdg-open` elsewhere (on the host, through `flatpak-spawn --host`, inside the sandbox).
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fn opener(target: &std::ffi::OsStr) -> Result<Command, String> {
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let mut cmd = if cfg!(target_os = "macos") {
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command("open")
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} else if cfg!(windows) {
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command(windows_system_program("explorer.exe")?)
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} else if in_sandbox() {
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let mut c = command("flatpak-spawn");
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c.arg("--host").arg("xdg-open");
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c
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} else {
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command("xdg-open")
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};
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cmd.arg(target);
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Ok(cmd)
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}
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/// Opens `primary_url` with the system's default handler. If opening fails (for example,
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/// if a custom scheme handler is not found or fails to execute), falls back to `fallback_url`.
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pub fn open_url_with_fallback(primary_url: &str, fallback_url: &str) {
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let primary = primary_url.to_string();
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let fallback = fallback_url.to_string();
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std::thread::spawn(move || {
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if !open_and_wait_success(&primary, Duration::from_millis(1500)) {
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log::warn!("couldn't open {primary}; falling back to {fallback}");
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let _ = open(std::ffi::OsStr::new(&fallback));
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}
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});
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}
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/// Starts the default system opener for `target` and returns `true` unless it fails to start
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/// or exits in error within `timeout`. An opener still running after `timeout` counts as
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/// success and is reaped in the background.
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///
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/// `explorer` exits with an error status even when it opens the target, so on Windows only a
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/// failure to start counts; the registry check in `detect_discord_scheme_handler` covers the rest.
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fn open_and_wait_success(target: &str, timeout: Duration) -> bool {
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let mut cmd = match opener(std::ffi::OsStr::new(target)) {
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Ok(cmd) => cmd,
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Err(error) => {
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log::warn!("couldn't resolve the system opener for {target}: {error}");
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return false;
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}
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};
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if cfg!(windows) {
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return spawn_detached(cmd).is_ok();
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}
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let mut child = match cmd.stdin(Stdio::null()).stdout(Stdio::null()).stderr(Stdio::null()).spawn() {
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Ok(c) => c,
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Err(e) => {
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log::warn!("couldn't start the opener for {target}: {e}");
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return false;
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}
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};
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let start = Instant::now();
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loop {
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match child.try_wait() {
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Ok(Some(status)) => return status.success(),
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Ok(None) if start.elapsed() < timeout => std::thread::sleep(Duration::from_millis(25)),
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Ok(None) => {
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std::thread::spawn(move || {
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let _ = child.wait();
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});
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return true;
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}
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Err(_) => return false,
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}
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}
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}
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/// Shows `path` selected in the file manager.
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pub fn reveal(path: &Path) -> Result<(), String> {
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if cfg!(target_os = "macos") {
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let mut cmd = command("open");
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cmd.arg("-R").arg(path);
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spawn_detached(cmd)
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} else if cfg!(windows) {
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reveal_in_explorer(path)
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} else {
|
|
open(path.parent().unwrap_or(path).as_os_str())
|
|
}
|
|
}
|
|
|
|
#[cfg(windows)]
|
|
fn reveal_in_explorer(path: &Path) -> Result<(), String> {
|
|
use std::os::windows::process::CommandExt;
|
|
let mut cmd = command(windows_system_program("explorer.exe")?);
|
|
// Passed raw: `arg` would wrap all of `/select,...` in quotes when the path has a space
|
|
// (`C:\Program Files\...`), and Explorer then ignores the switch and opens Documents.
|
|
// A quote in the path would end the quoted part early and let the rest reach Explorer as
|
|
// switches; no Windows path has one, so refuse it.
|
|
let arg = explorer_select_arg(path).ok_or_else(|| format!("{} isn't a usable path", path.display()))?;
|
|
cmd.raw_arg(arg);
|
|
spawn_detached(cmd)
|
|
}
|
|
|
|
#[cfg(not(windows))]
|
|
fn reveal_in_explorer(_path: &Path) -> Result<(), String> {
|
|
Err("Explorer is only on Windows".into())
|
|
}
|
|
|
|
/// Explorer's `/select,"<path>"` argument as it goes on the command line: only the path is quoted,
|
|
/// and forward slashes become backslashes, which Explorer needs to find the item. `None` for a path
|
|
/// with a `"` in it.
|
|
#[cfg_attr(not(windows), allow(dead_code))]
|
|
fn explorer_select_arg(path: &Path) -> Option<std::ffi::OsString> {
|
|
let s = path.to_str()?;
|
|
if s.contains('"') {
|
|
return None;
|
|
}
|
|
let mut arg = std::ffi::OsString::from("/select,\"");
|
|
arg.push(s.replace('/', "\\"));
|
|
arg.push("\"");
|
|
Some(arg)
|
|
}
|
|
|
|
/// Whether a process started from inside `path` (an exe, an AppImage, or a `.app`) is running.
|
|
pub fn is_running(path: &Path) -> bool {
|
|
if cfg!(windows) {
|
|
let Some(name) = path.file_name().and_then(OsStr::to_str) else { return false };
|
|
let filter = format!("IMAGENAME eq {name}");
|
|
let Ok(tasklist) = windows_system_program(r"System32\tasklist.exe") else { return false };
|
|
let mut cmd = command(tasklist);
|
|
cmd.args(["/FI", &filter, "/NH", "/FO", "CSV"]);
|
|
run_command(cmd, "tasklist", Duration::from_secs(5)).ok().is_some_and(|out| out.to_ascii_lowercase().contains(&name.to_ascii_lowercase()))
|
|
} else {
|
|
let Some(p) = path.to_str() else { return false };
|
|
let pattern = pgrep_pattern(p);
|
|
// pgrep exits 0 when something matches; it never matches itself.
|
|
if in_sandbox() {
|
|
capture("flatpak-spawn", &["--host", "pgrep", "-f", "--", &pattern], Duration::from_secs(5)).is_some()
|
|
} else {
|
|
capture("pgrep", &["-f", "--", &pattern], Duration::from_secs(5)).is_some()
|
|
}
|
|
}
|
|
}
|
|
|
|
fn windows_system_program(relative: &str) -> Result<PathBuf, String> {
|
|
let root = std::env::var_os("SystemRoot")
|
|
.filter(|root| !root.is_empty())
|
|
.map(PathBuf::from)
|
|
.ok_or_else(|| "Windows didn't provide its system folder".to_string())?;
|
|
if !root.is_absolute() {
|
|
return Err("Windows provided a non-absolute system folder".into());
|
|
}
|
|
Ok(root.join(relative))
|
|
}
|
|
|
|
/// Quote the path's metacharacters for pgrep's extended regular expression.
|
|
fn pgrep_pattern(path: &str) -> String {
|
|
let mut pattern = String::with_capacity(path.len());
|
|
for c in path.chars() {
|
|
if matches!(c, '.' | '^' | '$' | '*' | '+' | '?' | '(' | ')' | '[' | ']' | '{' | '}' | '|' | '\\') {
|
|
pattern.push('\\');
|
|
}
|
|
pattern.push(c);
|
|
}
|
|
pattern
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod env_tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn each_variable_becomes_one_env_argument_with_its_value_intact() {
|
|
let path = std::ffi::OsStr::new("/home/ana/.local/share/artcraft-launcher/versions with space.json");
|
|
let args = env_args(&[("CRAFT_VERSIONS_FILE", path)]);
|
|
assert_eq!(args, [std::ffi::OsString::from("--env=CRAFT_VERSIONS_FILE=/home/ana/.local/share/artcraft-launcher/versions with space.json")]);
|
|
assert!(env_args(&[]).is_empty());
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
#[cfg(unix)]
|
|
mod tests {
|
|
use std::io::{BufRead, BufReader};
|
|
use std::process::Child;
|
|
|
|
use super::*;
|
|
|
|
struct RunningProbe(Child);
|
|
|
|
impl RunningProbe {
|
|
fn start(path: &str) -> Self {
|
|
let child = command("/bin/sh")
|
|
.args(["-c", "printf 'ready\\n'; read line", path])
|
|
.stdin(Stdio::piped())
|
|
.stdout(Stdio::piped())
|
|
.stderr(Stdio::null())
|
|
.spawn()
|
|
.unwrap();
|
|
let mut probe = Self(child);
|
|
let mut ready = String::new();
|
|
BufReader::new(probe.0.stdout.take().unwrap()).read_line(&mut ready).unwrap();
|
|
assert_eq!(ready, "ready\n");
|
|
probe
|
|
}
|
|
}
|
|
|
|
impl Drop for RunningProbe {
|
|
fn drop(&mut self) {
|
|
let _ = self.0.kill();
|
|
let _ = self.0.wait();
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn running_paths_are_matched_literally() {
|
|
let root = format!("/tmp/artcraft-launcher-process-{}", std::process::id());
|
|
for (actual, requested, expected) in [
|
|
("plain/PhotoCraft.app", "plain/PhotoCraft.app", true),
|
|
("Apps (work)/PhotoCraft.app", "Apps (work)/PhotoCraft.app", true),
|
|
("Apps [work]/PhotoCraft.app", "Apps [work]/PhotoCraft.app", true),
|
|
("other/PhotoCraftXapp", "other/PhotoCraft.app", false),
|
|
("symbols/应用.^$*+?()[]{}|\\.app", "symbols/应用.^$*+?()[]{}|\\.app", true),
|
|
] {
|
|
let actual = format!("{root}/{actual}");
|
|
let requested = format!("{root}/{requested}");
|
|
let _probe = RunningProbe::start(&actual);
|
|
assert_eq!(is_running(Path::new(&requested)), expected, "{requested}");
|
|
}
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod run_tests {
|
|
use super::*;
|
|
|
|
/// A shell command line, for the platform's shell.
|
|
fn shell(script: &str) -> (&'static str, [&str; 2]) {
|
|
if cfg!(windows) { ("cmd", ["/C", script]) } else { ("/bin/sh", ["-c", script]) }
|
|
}
|
|
|
|
#[cfg(windows)]
|
|
#[test]
|
|
fn waiting_for_a_process_ends_when_it_exits() {
|
|
let mut child = Command::new("ping").args(["-n", "3", "127.0.0.1"]).stdout(Stdio::null()).spawn().unwrap();
|
|
assert!(!wait_for_exit(child.id(), Duration::from_millis(200)), "it's still running");
|
|
assert!(wait_for_exit(child.id(), Duration::from_secs(30)), "it has exited");
|
|
child.wait().unwrap();
|
|
}
|
|
|
|
#[test]
|
|
fn a_failing_helper_reports_its_own_error() {
|
|
let (program, args) = shell(if cfg!(windows) { "echo no such image 1>&2 & exit /b 3" } else { "echo no such image >&2; exit 3" });
|
|
assert_eq!(run(program, &args, Duration::from_secs(30)), Err("no such image".into()));
|
|
assert_eq!(capture(program, &args, Duration::from_secs(30)), None);
|
|
}
|
|
|
|
#[cfg(unix)]
|
|
#[test]
|
|
fn successful_helpers_can_write_past_the_stdout_capture_limit() {
|
|
let out = run("/bin/sh", &["-c", "head -c 9437184 /dev/zero"], Duration::from_secs(10)).unwrap();
|
|
assert_eq!(out.len(), 8 << 20);
|
|
}
|
|
|
|
#[cfg(unix)]
|
|
#[test]
|
|
fn successful_helpers_can_write_past_the_stderr_capture_limit() {
|
|
let out = run("/bin/sh", &["-c", "head -c 9437184 /dev/zero >&2"], Duration::from_secs(10));
|
|
assert!(out.is_ok(), "the helper should finish without a broken pipe");
|
|
assert!(out.unwrap().is_empty());
|
|
}
|
|
|
|
#[cfg(unix)]
|
|
#[test]
|
|
fn a_helper_that_keeps_writing_still_times_out() {
|
|
let start = Instant::now();
|
|
let err = run("yes", &[], Duration::from_millis(100)).unwrap_err();
|
|
assert!(err.contains("didn't finish within"), "{err}");
|
|
assert!(start.elapsed() < Duration::from_secs(5));
|
|
}
|
|
|
|
#[test]
|
|
fn a_silent_failure_and_a_success() {
|
|
let (program, args) = shell("exit 4");
|
|
let err = run(program, &args, Duration::from_secs(30)).unwrap_err();
|
|
assert!(err.starts_with(&format!("{program} failed")), "{err}");
|
|
let (program, args) = shell("echo hello");
|
|
assert_eq!(run(program, &args, Duration::from_secs(30)).map(|out| out.trim().to_string()), Ok("hello".into()));
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod explorer_tests {
|
|
use super::*;
|
|
|
|
#[cfg(windows)]
|
|
#[test]
|
|
fn system_helpers_use_absolute_system_paths() {
|
|
let root = PathBuf::from(std::env::var_os("SystemRoot").unwrap());
|
|
assert_eq!(windows_system_program("explorer.exe").unwrap(), root.join("explorer.exe"));
|
|
assert_eq!(windows_system_program(r"System32\tasklist.exe").unwrap(), root.join(r"System32\tasklist.exe"));
|
|
}
|
|
|
|
#[test]
|
|
fn explorer_select_quotes_only_the_path() {
|
|
let arg = explorer_select_arg(Path::new(r"C:\Program Files\PhotoCraft\photocraft.exe"));
|
|
assert_eq!(arg.unwrap(), r#"/select,"C:\Program Files\PhotoCraft\photocraft.exe""#);
|
|
}
|
|
|
|
#[test]
|
|
fn explorer_select_without_spaces() {
|
|
let arg = explorer_select_arg(Path::new(r"C:\Apps\photocraft.exe"));
|
|
assert_eq!(arg.unwrap(), r#"/select,"C:\Apps\photocraft.exe""#);
|
|
assert_eq!(explorer_select_arg(Path::new(r#"C:\Apps" /root,C:\x.exe"#)), None);
|
|
}
|
|
|
|
#[test]
|
|
fn explorer_select_uses_backslashes() {
|
|
let arg = explorer_select_arg(Path::new("C:/Users/A B/AppData/Local/ArtCraft Launcher/apps/photocraft.exe"));
|
|
assert_eq!(arg.unwrap(), r#"/select,"C:\Users\A B\AppData\Local\ArtCraft Launcher\apps\photocraft.exe""#);
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod discord_tests {
|
|
use super::*;
|
|
|
|
#[test]
|
|
fn linux_candidates_include_flatpak_and_system_paths() {
|
|
let fake_home = Path::new("/home/testuser");
|
|
let candidates = linux_discord_candidates(Some(fake_home));
|
|
assert!(candidates.iter().any(|p| p.ends_with("com.discordapp.Discord.desktop")));
|
|
assert!(candidates.iter().any(|p| p == Path::new("/home/testuser/.local/share/applications/discord.desktop")));
|
|
assert!(candidates.iter().any(|p| p == Path::new("/usr/share/applications/discord.desktop")));
|
|
assert!(candidates.iter().any(|p| p == Path::new("/snap/bin/discord")));
|
|
}
|
|
|
|
#[test]
|
|
fn macos_candidates_include_standard_apps() {
|
|
let fake_home = Path::new("/Users/testuser");
|
|
let candidates = macos_discord_candidates(Some(fake_home));
|
|
assert!(candidates.iter().any(|p| p == Path::new("/Applications/Discord.app")));
|
|
assert!(candidates.iter().any(|p| p == Path::new("/Users/testuser/Applications/Discord.app")));
|
|
assert!(candidates.iter().any(|p| p == Path::new("/Applications/Discord Canary.app")));
|
|
}
|
|
|
|
#[test]
|
|
fn discord_url_gives_app_or_web_url() {
|
|
use artcraft_launcher_core::catalog::{DISCORD_APP_URL, DISCORD_URL};
|
|
let url = discord_url();
|
|
assert!(url == DISCORD_URL || url == DISCORD_APP_URL);
|
|
}
|
|
}
|
|
|
|
#[cfg(test)]
|
|
mod inherited_pipe_tests {
|
|
use super::*;
|
|
use std::io::Write;
|
|
|
|
fn fixture_args(name: &str, marker: &str) -> Vec<String> {
|
|
let (_, module) = module_path!().split_once("::").unwrap();
|
|
// libtest accepts arbitrary skip filters; this one carries our private fixture path.
|
|
vec!["--ignored".into(), "--exact".into(), format!("{module}::{name}"), "--nocapture".into(), "--skip".into(), marker.into()]
|
|
}
|
|
|
|
fn fixture_dir() -> std::path::PathBuf {
|
|
let args: Vec<String> = std::env::args().collect();
|
|
std::path::PathBuf::from(&args[args.iter().position(|arg| arg == "--skip").unwrap() + 1])
|
|
}
|
|
|
|
#[test]
|
|
#[ignore = "self-spawned subprocess fixture"]
|
|
fn pipe_holder() {
|
|
let dir = fixture_dir();
|
|
let buffer = [b'x'; 64 << 10];
|
|
// Both streams exceed the capture cap before the direct child exits.
|
|
for _ in 0..144 {
|
|
std::io::stdout().write_all(&buffer).unwrap();
|
|
std::io::stderr().write_all(&buffer).unwrap();
|
|
}
|
|
std::fs::write(dir.join("ready"), []).unwrap();
|
|
// Hold the pipes far longer than any deadline the test tries, so a capture that waited
|
|
// for them would show; the test's guard stops this early.
|
|
let start = Instant::now();
|
|
while !dir.join("stop").exists() && start.elapsed() < HOLD {
|
|
std::thread::sleep(Duration::from_millis(10));
|
|
}
|
|
std::fs::write(dir.join("done"), []).unwrap();
|
|
}
|
|
|
|
#[test]
|
|
#[ignore = "self-spawned subprocess fixture"]
|
|
fn pipe_parent() {
|
|
let dir = fixture_dir();
|
|
let descendant = command(std::env::current_exe().unwrap()).args(fixture_args("pipe_holder", dir.to_str().unwrap())).spawn().unwrap();
|
|
std::fs::write(dir.join("spawned"), []).unwrap();
|
|
// No deadline of its own: run() kills this process at its deadline if it is too slow.
|
|
let start = Instant::now();
|
|
while !dir.join("ready").exists() && start.elapsed() < HOLD {
|
|
std::thread::sleep(Duration::from_millis(10));
|
|
}
|
|
assert!(dir.join("ready").exists(), "descendant did not fill both captured pipes");
|
|
std::fs::write(dir.join("parent-returning"), []).unwrap();
|
|
// Dropping Child leaves the finite fixture running with inherited stdout/stderr.
|
|
drop(descendant);
|
|
}
|
|
|
|
/// How long the descendant holds the pipes when nothing stops it.
|
|
const HOLD: Duration = Duration::from_secs(120);
|
|
|
|
struct StopHolder(tempfile::TempDir);
|
|
|
|
impl Drop for StopHolder {
|
|
fn drop(&mut self) {
|
|
let _ = std::fs::write(self.0.path().join("stop"), []);
|
|
if !self.0.path().join("spawned").exists() {
|
|
return;
|
|
}
|
|
let start = Instant::now();
|
|
while !self.0.path().join("done").exists() && start.elapsed() < Duration::from_secs(30) {
|
|
std::thread::sleep(Duration::from_millis(10));
|
|
}
|
|
}
|
|
}
|
|
|
|
#[test]
|
|
fn exited_helper_does_not_wait_past_deadline_for_inherited_pipes() {
|
|
let exe = std::env::current_exe().unwrap();
|
|
// The direct child has to start a second test process and fill both pipes before the
|
|
// deadline, which can take seconds on a slow or emulated machine. An attempt where it
|
|
// didn't get that far says nothing about inherited pipes: retry with a longer deadline.
|
|
let mut deadline = Duration::from_secs(1);
|
|
loop {
|
|
let holder = StopHolder(tempfile::tempdir().unwrap());
|
|
let args = fixture_args("pipe_parent", holder.0.path().to_str().unwrap());
|
|
let args: Vec<&str> = args.iter().map(String::as_str).collect();
|
|
let start = Instant::now();
|
|
let result = run(exe.to_str().unwrap(), &args, deadline);
|
|
let elapsed = start.elapsed();
|
|
if !holder.0.path().join("parent-returning").exists() && deadline < Duration::from_secs(16) {
|
|
deadline *= 4;
|
|
continue;
|
|
}
|
|
assert!(holder.0.path().join("parent-returning").exists(), "direct child did not exit its fixture within {deadline:?}");
|
|
assert!(
|
|
matches!(&result, Err(error) if error.contains("didn't finish within")),
|
|
"expected a pipe deadline error; helper returned success: {}, elapsed: {elapsed:?}",
|
|
result.is_ok()
|
|
);
|
|
// The descendant would hold the pipes for HOLD, far past this bound.
|
|
assert!(deadline * 2 < HOLD);
|
|
assert!(elapsed < deadline * 2, "capture exceeded its caller deadline {deadline:?}: {elapsed:?}");
|
|
// The guard stops the finite descendant and waits for its completion marker on failures too.
|
|
break;
|
|
}
|
|
}
|
|
}
|