feat(list): support list and decompress 7z files with password

Cargo.toml

@@ -27,7 +27,7 @@ num_cpus = "1.16.0"
 once_cell = "1.19.0"
 rayon = "1.10.0"
 same-file = "1.0.6"
-sevenz-rust = { version = "0.6.1", features = ["compress"] }
+sevenz-rust = { version = "0.6.1", features = ["compress", "aes256"] }
 snap = "1.1.1"
 tar = "0.4.41"
 tempfile = "3.10.1"

src/archive/sevenz.rs

@@ -5,9 +5,13 @@ use std::{
     io::{self, Read, Seek, Write},
     path::{Path, PathBuf},
 };
+use bstr::ByteSlice;
 
 use fs_err as fs;
 use same_file::Handle;
+use sevenz_rust::SevenZArchiveEntry;
+use unrar::Archive;
+use zstd::zstd_safe::WriteBuf;
 
 use crate::{
     error::FinalError,
@@ -17,6 +21,7 @@ use crate::{
         Bytes, EscapedPathDisplay, FileVisibilityPolicy,
     },
 };
+use crate::list::FileInArchive;
 
 pub fn compress_sevenz<W>(
     files: &[PathBuf],
@@ -96,12 +101,13 @@ where
     Ok(bytes)
 }
 
-pub fn decompress_sevenz<R>(reader: R, output_path: &Path, quiet: bool) -> crate::Result<usize>
+pub fn decompress_sevenz<R>(reader: R, output_path: &Path, password: Option<impl AsRef<[u8]>>, quiet: bool) -> crate::Result<usize>
 where
     R: Read + Seek,
 {
     let mut count: usize = 0;
-    sevenz_rust::decompress_with_extract_fn(reader, output_path, |entry, reader, path| {
+
+    let entry_extract_fn = |entry: &SevenZArchiveEntry, reader: &mut dyn Read, path: &PathBuf| {
         count += 1;
         // Manually handle writing all files from 7z archive, due to library exluding empty files
         use std::io::BufWriter;
@@ -146,11 +152,42 @@ where
                 Some(ft::FileTime::from_system_time(entry.last_modified_date().into())),
                 Some(ft::FileTime::from_system_time(entry.creation_date().into())),
             )
-            .unwrap_or_default();
+                .unwrap_or_default();
         }
 
         Ok(true)
-    })?;
+    };
+
+    let password = password.as_ref().map(|p| p.as_ref());
+
+    match password {
+        Some(password) => sevenz_rust::decompress_with_extract_fn_and_password(reader, output_path, sevenz_rust::Password::from(password.to_str().unwrap()), entry_extract_fn)?,
+        None => sevenz_rust::decompress_with_extract_fn(reader, output_path, entry_extract_fn)?,
+    };
 
     Ok(count)
 }
+
+/// List contents of `archive_path`, returning a vector of archive entries
+pub fn list_archive(archive_path: &Path, password: Option<impl AsRef<[u8]>>) -> impl Iterator<Item = crate::Result<FileInArchive>>
+{
+    let reader = fs::File::open(archive_path).unwrap();
+    let password = password.as_ref().map(|p| p.as_ref());
+
+    let mut files = Vec::new();
+
+    let entry_extract_fn = |entry: &SevenZArchiveEntry, _: &mut dyn Read, _: &PathBuf| {
+        files.push(Ok(FileInArchive {
+            path: entry.name().into(),
+            is_dir: entry.is_directory(),
+        }));
+        Ok(true)
+    };
+
+    match password {
+        Some(password) => sevenz_rust::decompress_with_extract_fn_and_password(reader, ".", sevenz_rust::Password::from(password.to_str().unwrap()), entry_extract_fn).unwrap(),
+        None => sevenz_rust::decompress_with_extract_fn(reader, ".", entry_extract_fn).unwrap(),
+    };
+
+    files.into_iter()
+}

src/commands/decompress.rs

@@ -206,7 +206,7 @@ pub fn decompress_file(
             io::copy(&mut reader, &mut vec)?;
 
             if let ControlFlow::Continue(files) = smart_unpack(
-                |output_dir| crate::archive::sevenz::decompress_sevenz(io::Cursor::new(vec), output_dir, quiet),
+                |output_dir| crate::archive::sevenz::decompress_sevenz(io::Cursor::new(vec), output_dir, password, quiet),
                 output_dir,
                 &output_file_path,
                 question_policy,

src/commands/list.rs

@@ -2,6 +2,7 @@ use std::{
     io::{self, BufReader, Read},
     path::Path,
 };
+use std::io::Seek;
 
 use fs_err as fs;
 
@@ -12,6 +13,7 @@ use crate::{
     utils::{io::lock_and_flush_output_stdio, user_wants_to_continue},
     QuestionAction, QuestionPolicy, BUFFER_CAPACITY,
 };
+use crate::archive::sevenz;
 
 /// File at input_file_path is opened for reading, example: "archive.tar.gz"
 /// formats contains each format necessary for decompression, example: [Gz, Tar] (in decompression order)
@@ -108,16 +110,7 @@ pub fn list_archive_contents(
                 }
             }
 
-            let mut files = Vec::new();
+            Box::new(sevenz::list_archive(archive_path, password))
-
-            sevenz_rust::decompress_file_with_extract_fn(archive_path, ".", |entry, _, _| {
-                files.push(Ok(FileInArchive {
-                    path: entry.name().into(),
-                    is_dir: entry.is_directory(),
-                }));
-                Ok(true)
-            })?;
-            Box::new(files.into_iter())
         }
         Gzip | Bzip | Lz4 | Lzma | Snappy | Zstd => {
             panic!("Not an archive! This should never happen, if it does, something is wrong with `CompressionFormat::is_archive()`. Please report this error!");