refactored

This commit is contained in:
specCon18 2023-09-01 15:29:17 -04:00
parent 982ee2b239
commit 23d8a8d914
7 changed files with 653 additions and 128 deletions

121
src/extractors.rs Normal file
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@ -0,0 +1,121 @@
use std::{fs, io, path::Path};
use unrar::Archive;
use xz2::bufread::XzDecoder;
// pub fn extract_xz(xz_file: &Path) -> io::Result<()> {
// let file = fs::File::open(xz_file)?;
// let decompressor = XzDecoder::new(file);
// let mut archive = tar::Archive::new(decompressor);
// for entry in archive.entries()? {
// let mut entry = entry?;
// let entry_path = entry.path()?;
// let full_path = Path::new("output_directory/").join(entry_path);
// if entry.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 entry, &mut file)?;
// }
// }
// Ok(())
// }
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(())
}

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@ -1,72 +1,84 @@
use indicatif::{ProgressBar, ProgressStyle};
use std::{
io,
path::Path,
fs::{self, File},
};
use rayon::prelude::*;
use tar::Archive;
fn main() -> color_eyre::eyre::Result<()> {
color_eyre::install()?;
let app = clap::App::new("extract")
.arg(
clap::Arg::with_name("files")
.required(true)
.multiple(true)
.help("Files to be extracted"),
);
let matches = app.get_matches();
let files: Vec<_> = matches.values_of("files").unwrap().collect();
let pb = ProgressBar::new(files.len() as u64);
pb.set_style(
ProgressStyle::default_bar()
.template("{spinner:.green} [{elapsed_precise}] [{bar:40.cyan/blue}] {pos}/{len} ({eta})")?,
);
files.par_iter().for_each(|file| {
if let Err(err) = extract_file(file, "output_directory/") {
println!("Error extracting file '{}': {}", file, err);
}
pb.inc(1);
});
pb.finish_with_message("All files extracted successfully!");
Ok(())
}
fn extract_tar(file: &str, output_dir: &str) -> color_eyre::eyre::Result<()> {
let tar_file = File::open(file)?;
let mut a = 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_dir).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 = File::create(&full_path)?;
io::copy(&mut i, &mut file)?;
}
}
Ok(())
mod extractors;
use extractors::{extract_zip, extract_rar, extract_tar};
fn main() {
std::process::exit(run());
}
fn extract_file(file: &str, output_dir: &str) -> color_eyre::eyre::Result<()> {
if !Path::new(file).exists() {
return Err(color_eyre::eyre::eyre!("'{}' - file does not exist", file));
/*
TODO: [ ] setup rayon to handle concurrent file processsing when passed
more than one file
*/
/*
TODO: [ ] Write for loop to iter over all extensions of a file to handle
files that are tared and then compressed ex: foo.tar.gz, foo.tar.gz
*/
/*
TODO: [ ] add support for decompression of:
[ ] bz2
[ ] tbz2
[ ] tgz
[ ] txz
[ ] lzma
[ ] gz
[ ] z
[ ] 7z
[ ] arj
[ ] cab
[ ] arj
[ ] cab
[ ] chm
[ ] deb
[ ] dmg
[ ] iso
[ ] lzh
[ ] msi
[ ] rpm
[ ] udf
[ ] wim
[ ] xar
[ ] exe
*/
fn run() -> i32 {
let args: Vec<_> = std::env::args().collect();
if args.len() < 2 {
println!("Usage: {} <filename>", args[0]);
return 1;
}
if let Some("tar") = Path::new(file).extension().and_then(|s| s.to_str()) {
extract_tar(file, output_dir)?;
} else {
println!("extract: '{}' - unknown archive method", file);
let fname = std::path::Path::new(&*args[1]);
if let Some(extension) = fname.extension().and_then(|s| s.to_str()) {
match extension {
"zip" => {
if let Err(err) = extract_zip(&fname) {
println!("Error extracting ZIP: {}", err);
return 1;
}
}
"rar" => {
if let Err(err) = extract_rar(&fname) {
println!("Error extracting RAR: {}", err);
return 1;
}
}
"tar" => {
if let Err(err) = extract_tar(&fname) {
println!("Error extracting TAR: {}", err);
return 1;
}
}
// "xz" => {
// if let Err(err) = extract_tar(&fname) {
// println!("Error extracting XZ: {}", err);
// return 1;
// }
// }
_ => {
println!("Unsupported file extension: {}", extension);
return 1;
}
}
return 0;
}
Ok(())
println!("Unknown file format");
return 1;
}