smoothie/src-tauri/src/lib.rs
2026-03-13 20:13:59 +01:00

313 lines
11 KiB
Rust

// Learn more about Tauri commands at https://tauri.app/develop/calling-rust/
use std::collections::HashMap;
use std::fs::File;
use std::path::Path;
use bzip2::read::BzDecoder;
use flate2::read::GzDecoder;
use tar::Archive as TarArchive;
use tauri::async_runtime::spawn_blocking;
use xz2::read::XzDecoder;
use zip::ZipArchive;
/// Strip a single top-level directory if the target directory contains only one subdirectory.
/// This is useful after extracting archives that create an unnecessary parent folder.
/// Returns true if flattening was performed, false otherwise.
fn strip_single_top_level_directory(target_dir: &Path) -> Result<bool, std::io::Error> {
use std::fs;
let entries: Vec<_> = fs::read_dir(target_dir)?
.filter_map(|entry| entry.ok())
.collect();
// If there's exactly one entry and it's a directory, flatten it
if entries.len() == 1 {
let entry = &entries[0];
if entry.path().is_dir() {
let subdir_path = entry.path();
let subdir_name = entry.file_name();
// Move all items from subdirectory to target directory
for sub_entry in fs::read_dir(&subdir_path)? {
let sub_entry = sub_entry?;
let source_path = sub_entry.path();
let dest_path = target_dir.join(sub_entry.file_name());
fs::rename(&source_path, &dest_path)?;
}
// Remove the now-empty subdirectory
fs::remove_dir(&subdir_path)?;
println!(
"Flattened directory structure: removed {}/",
subdir_name.to_string_lossy()
);
return Ok(true);
}
}
Ok(false)
}
#[tauri::command]
fn launch_binary(
path: String,
args: Vec<String>,
env: Option<HashMap<String, String>>,
) -> Result<String, String> {
use std::process::{Command, Stdio};
let mut command = Command::new(path);
command
.args(args)
.stdin(Stdio::null())
.stdout(Stdio::null())
.stderr(Stdio::null());
if let Some(env_vars) = env {
command.envs(env_vars);
}
command
.spawn()
.map(|_| "Launched".into())
.map_err(|e| e.to_string())
}
/// Extract a ZIP archive to a target directory
#[tauri::command]
fn extract_zip(archive_path: String, target_dir: String) -> Result<String, String> {
let archive_file = File::open(&archive_path)
.map_err(|e| format!("Failed to open ZIP archive at {}: {}", archive_path, e))?;
let mut archive = ZipArchive::new(archive_file)
.map_err(|e| format!("Failed to read ZIP archive at {}: {}", archive_path, e))?;
for i in 0..archive.len() {
let mut file = archive
.by_index(i)
.map_err(|e| format!("Failed to read file {} in ZIP archive: {}", i, e))?;
let outpath = Path::new(&target_dir).join(file.mangled_name());
if file.name().ends_with('/') {
// Directory entry
std::fs::create_dir_all(&outpath)
.map_err(|e| format!("Failed to create directory {}: {}", outpath.display(), e))?;
} else {
// File entry
if let Some(parent) = outpath.parent() {
std::fs::create_dir_all(parent).map_err(|e| {
format!(
"Failed to create parent directory {}: {}",
parent.display(),
e
)
})?;
}
let mut outfile = File::create(&outpath)
.map_err(|e| format!("Failed to create file {}: {}", outpath.display(), e))?;
std::io::copy(&mut file, &mut outfile)
.map_err(|e| format!("Failed to write file {}: {}", outpath.display(), e))?;
}
}
// Strip single top-level directory if archive created one
let target_path = Path::new(&target_dir);
if let Err(e) = strip_single_top_level_directory(target_path) {
println!("Warning: Failed to strip top-level directory: {}", e);
}
Ok(format!(
"Successfully extracted ZIP archive to {}",
target_dir
))
}
/// Extract a TAR archive (uncompressed)
#[tauri::command]
fn extract_tar(archive_path: String, target_dir: String) -> Result<String, String> {
let archive_file = File::open(&archive_path)
.map_err(|e| format!("Failed to open TAR archive at {}: {}", archive_path, e))?;
let mut archive = TarArchive::new(archive_file);
archive
.unpack(&target_dir)
.map_err(|e| format!("Failed to extract TAR archive to {}: {}", target_dir, e))?;
// Strip single top-level directory if archive created one
let target_path = Path::new(&target_dir);
if let Err(e) = strip_single_top_level_directory(target_path) {
println!("Warning: Failed to strip top-level directory: {}", e);
}
Ok(format!(
"Successfully extracted TAR archive to {}",
target_dir
))
}
/// Extract a TAR.GZ archive
#[tauri::command]
fn extract_tar_gz(archive_path: String, target_dir: String) -> Result<String, String> {
let archive_file = File::open(&archive_path)
.map_err(|e| format!("Failed to open TAR.GZ archive at {}: {}", archive_path, e))?;
let gz_decoder = GzDecoder::new(archive_file);
let mut archive = TarArchive::new(gz_decoder);
archive
.unpack(&target_dir)
.map_err(|e| format!("Failed to extract TAR.GZ archive to {}: {}", target_dir, e))?;
// Strip single top-level directory if archive created one
let target_path = Path::new(&target_dir);
if let Err(e) = strip_single_top_level_directory(target_path) {
println!("Warning: Failed to strip top-level directory: {}", e);
}
Ok(format!(
"Successfully extracted TAR.GZ archive to {}",
target_dir
))
}
/// Extract a TAR.XZ archive
#[tauri::command]
fn extract_tar_xz(archive_path: String, target_dir: String) -> Result<String, String> {
let archive_file = File::open(&archive_path)
.map_err(|e| format!("Failed to open TAR.XZ archive at {}: {}", archive_path, e))?;
let xz_decoder = XzDecoder::new(archive_file);
let mut archive = TarArchive::new(xz_decoder);
archive
.unpack(&target_dir)
.map_err(|e| format!("Failed to extract TAR.XZ archive to {}: {}", target_dir, e))?;
// Strip single top-level directory if archive created one
let target_path = Path::new(&target_dir);
if let Err(e) = strip_single_top_level_directory(target_path) {
println!("Warning: Failed to strip top-level directory: {}", e);
}
Ok(format!(
"Successfully extracted TAR.XZ archive to {}",
target_dir
))
}
/// Extract a TAR.BZ2 archive
#[tauri::command]
fn extract_tar_bz2(archive_path: String, target_dir: String) -> Result<String, String> {
let archive_file = File::open(&archive_path)
.map_err(|e| format!("Failed to open TAR.BZ2 archive at {}: {}", archive_path, e))?;
let bz_decoder = BzDecoder::new(archive_file);
let mut archive = TarArchive::new(bz_decoder);
archive
.unpack(&target_dir)
.map_err(|e| format!("Failed to extract TAR.BZ2 archive to {}: {}", target_dir, e))?;
// Strip single top-level directory if archive created one
let target_path = Path::new(&target_dir);
if let Err(e) = strip_single_top_level_directory(target_path) {
println!("Warning: Failed to strip top-level directory: {}", e);
}
Ok(format!(
"Successfully extracted TAR.BZ2 archive to {}",
target_dir
))
}
/// Detect archive type and extract it automatically
#[tauri::command(async)]
async fn extract_archive(archive_path: String, target_dir: String) -> Result<String, String> {
// Run extraction in a blocking task to avoid hanging the UI
spawn_blocking(move || {
let path = Path::new(&archive_path);
// Get file extension(s) to determine archive type
let extension = path
.extension()
.and_then(|ext| ext.to_str())
.unwrap_or("")
.to_lowercase();
let filename = path
.file_name()
.and_then(|name| name.to_str())
.unwrap_or("")
.to_lowercase();
// Check for multi-part extensions like .tar.gz
if filename.ends_with(".tar.xz") || filename.ends_with(".txz") {
extract_tar_xz(archive_path, target_dir)
} else if filename.ends_with(".tar.gz") || filename.ends_with(".tgz") {
extract_tar_gz(archive_path, target_dir)
} else if filename.ends_with(".tar.bz2")
|| filename.ends_with(".tbz2")
|| filename.ends_with(".tbz")
{
extract_tar_bz2(archive_path, target_dir)
} else if extension == "tar" {
extract_tar(archive_path, target_dir)
} else if extension == "zip" {
extract_zip(archive_path, target_dir)
} else {
// Try ZIP first (common), then TAR
match extract_zip(archive_path.clone(), target_dir.clone()) {
Ok(result) => Ok(result),
Err(_) => {
// Try as uncompressed TAR
match extract_tar(archive_path, target_dir) {
Ok(result) => Ok(result),
Err(e) => Err(format!("Failed to extract archive. Supported formats: .zip, .tar, .tar.gz, .tar.xz, .tar.bz2. Error: {}", e))
}
}
}
}
})
.await
.map_err(|e| format!("Blocking task failed: {}", e))?
}
#[cfg_attr(mobile, tauri::mobile_entry_point)]
pub fn run() {
tauri::Builder::default()
.plugin(tauri_plugin_updater::Builder::new().build())
.plugin(tauri_plugin_upload::init())
.plugin(tauri_plugin_shell::init())
.plugin(tauri_plugin_fs::init())
.plugin(tauri_plugin_persisted_scope::init())
.plugin(tauri_plugin_store::Builder::new().build())
.plugin(tauri_plugin_os::init())
.plugin(tauri_plugin_notification::init())
.plugin(tauri_plugin_http::init())
.plugin(tauri_plugin_dialog::init())
.plugin(tauri_plugin_window_state::Builder::new().build())
.plugin(tauri_plugin_opener::init())
.setup(|app| {
#[cfg(desktop)]
app.handle()
.plugin(tauri_plugin_window_state::Builder::default().build())?;
Ok(())
})
.invoke_handler(tauri::generate_handler![
extract_zip,
extract_tar,
extract_tar_gz,
extract_tar_xz,
extract_tar_bz2,
extract_archive,
launch_binary
])
.run(tauri::generate_context!())
.expect("error while running tauri application");
}