ouch/src/archive/rar.rs
tommady 1ff1932e3d
Merge folders in decompression (#798)
Signed-off-by: tommady <tommady@users.noreply.github.com>
2025-05-01 04:20:33 -03:00

73 lines
1.9 KiB
Rust

//! Contains RAR-specific building and unpacking functions
use std::path::Path;
use unrar::Archive;
use crate::{
error::{Error, Result},
list::FileInArchive,
utils::{logger::info, Bytes},
};
/// Unpacks the archive given by `archive_path` into the folder given by `output_folder`.
/// Assumes that output_folder is empty
pub fn unpack_archive(
archive_path: &Path,
output_folder: &Path,
password: Option<&[u8]>,
quiet: bool,
) -> crate::Result<usize> {
let archive = match password {
Some(password) => Archive::with_password(archive_path, password),
None => Archive::new(archive_path),
};
let mut archive = archive.open_for_processing()?;
let mut unpacked = 0;
while let Some(header) = archive.read_header()? {
let entry = header.entry();
archive = if entry.is_file() {
if !quiet {
info(format!(
"extracted ({}) {}",
Bytes::new(entry.unpacked_size),
entry.filename.display(),
));
}
unpacked += 1;
header.extract_with_base(output_folder)?
} else {
header.skip()?
};
}
Ok(unpacked)
}
/// List contents of `archive_path`, returning a vector of archive entries
pub fn list_archive(
archive_path: &Path,
password: Option<&[u8]>,
) -> Result<impl Iterator<Item = Result<FileInArchive>>> {
let archive = match password {
Some(password) => Archive::with_password(archive_path, password),
None => Archive::new(archive_path),
};
Ok(archive.open_for_listing()?.map(|item| {
let item = item?;
let is_dir = item.is_directory();
let path = item.filename;
Ok(FileInArchive { path, is_dir })
}))
}
pub fn no_compression() -> Error {
Error::UnsupportedFormat {
reason: "Creating RAR archives is not allowed due to licensing restrictions.".into(),
}
}