sk_extract/src/extractors.rs
2023-09-02 15:11:48 -04:00

145 lines
4.3 KiB
Rust

/*
TODO_2: implement remaining extractor functions and write tests
*/
use std::{fs, io::{self, Write}, path::Path, fs::File};
use unrar::Archive;
// use lzma::reader::LzmaReader;
pub fn extract_zip(zip_file: &Path) -> io::Result<()> {
let file = fs::File::open(zip_file)?;
let mut archive = zip::ZipArchive::new(file)?;
for i in 0..archive.len() {
let mut file = archive.by_index(i)?;
let outpath = match file.enclosed_name() {
Some(path) => path.to_owned(),
None => continue,
};
{
let comment = file.comment();
if !comment.is_empty() {
println!("File {} comment: {}", i, comment);
}
}
if (*file.name()).ends_with('/') {
println!("File {} extracted to \"{}\"", i, outpath.display());
fs::create_dir_all(&outpath).unwrap();
} else {
println!(
"File {} extracted to \"{}\" ({} bytes)",
i,
outpath.display(),
file.size()
);
if let Some(p) = outpath.parent() {
if !p.exists() {
fs::create_dir_all(p).unwrap();
}
}
let mut outfile = fs::File::create(&outpath).unwrap();
io::copy(&mut file, &mut outfile).unwrap();
}
// Get and Set permissions
#[cfg(unix)]
{
use std::os::unix::fs::PermissionsExt;
if let Some(mode) = file.unix_mode() {
fs::set_permissions(&outpath, fs::Permissions::from_mode(mode)).unwrap();
}
}
}
Ok(())
}
pub fn extract_rar(rar_file: &Path) -> Result<(), Box<dyn std::error::Error>> {
let mut archive = Archive::new(rar_file)
.open_for_processing()
.unwrap();
while let Some(header) = archive.read_header()? {
println!(
"{} bytes: {}",
header.entry().unpacked_size,
header.entry().filename.to_string_lossy(),
);
archive = if header.entry().is_file() {
header.extract()?
} else {
header.skip()?
};
}
Ok(())
}
pub fn extract_tar(tar_file: &Path) -> io::Result<()> {
let tar_file = fs::File::open(tar_file)?;
let mut a = tar::Archive::new(tar_file);
for i in a.entries()? {
let mut i = i?;
let entry_path = i.header().path()?;
let full_path = Path::new("output_directory/").join(entry_path);
if i.header().entry_type().is_dir() {
fs::create_dir_all(&full_path)?;
} else {
fs::create_dir_all(&full_path.parent().unwrap())?;
let mut file = fs::File::create(&full_path)?;
io::copy(&mut i, &mut file)?;
}
}
Ok(())
}
// pub fn extract_xz(xz_file: &Path, output_dir: &Path) -> io::Result<()> {
// // Open the xz file for reading
// let file = File::open(xz_file)?;
// // Create a LzmaReader to decompress the data
// let mut xz_reader = LzmaReader::new_decompressor(file)?;
// // Read the decompressed data into a buffer
// let mut decompressed_data = Vec::new();
// xz_reader.read_to_end(&mut decompressed_data)?;
// // Get the filename from the original path
// let xz_filename = xz_file
// .file_name()
// .ok_or_else(|| io::Error::new(io::ErrorKind::InvalidInput, "Invalid file name"))?;
// // Create the output file path by appending the filename to the output directory
// let output_path = output_dir.join(xz_filename);
// // Create or overwrite the output file and write the decompressed data to it
// let mut output_file = File::create(output_path)?;
// output_file.write_all(&decompressed_data)?;
// Ok(())
// }
pub fn extract_bz2(){}
pub fn extract_tbz2(){}
pub fn extract_tgz(){}
pub fn extract_txz(){}
pub fn extract_lzma(){}
pub fn extract_gz(){}
pub fn extract_z(){}
pub fn extract_7z(){}
pub fn extract_arj(){}
pub fn extract_cab(){}
pub fn extract_chm(){}
pub fn extract_deb(){}
pub fn extract_dmg(){}
pub fn extract_iso(){}
pub fn extract_lzh(){}
pub fn extract_msi(){}
pub fn extract_rpm(){}
pub fn extract_udf(){}
pub fn extract_wim(){}
pub fn extract_xar(){}
pub fn extract_exe(){}