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// bad-hashish: a tool for recursively, remotely multi-hashing files
// Copyright (C) 2017 Bryan Newbold <bnewbold@robocracy.org>
// GPLv3
extern crate bad_hashish;
#[macro_use]
extern crate error_chain;
extern crate clap;
extern crate tree_magic;
extern crate flate2;
extern crate tar;
extern crate crypto;
use clap::App;
use bad_hashish::Result;
use std::path::Path;
use std::io::BufReader;
use std::io::prelude::*;
use std::fs::File;
use flate2::read::GzDecoder;
use tar::Archive;
use crypto::digest::Digest;
use crypto::sha1::Sha1;
fn run() -> Result<()> {
let matches = App::new("bad-hashish")
.version(env!("CARGO_PKG_VERSION"))
.about("a tool for recursively, remotely multi-hashing files")
.arg_from_usage("<FILE>... 'files to hash from'")
.get_matches();
for f in matches.values_of("FILE").unwrap() {
let path: &Path = Path::new(f);
println!("{} ({})", f, tree_magic::from_filepath(path));
if tree_magic::match_filepath("application/zip", path) {
//println!("It's a zip.");
} else if tree_magic::match_filepath("application/gzip", path) {
//println!("It's gzip.");
let f = File::open(path)?;
let gz = GzDecoder::new(f)?;
let mut reader = BufReader::with_capacity(4*1024*1024, gz);
let is_tar: bool = {
let buf = reader.fill_buf()?;
//println!("Inside is: {}", tree_magic::from_u8(&buf));
tree_magic::match_u8("application/x-tar", &buf)
};
if is_tar {
//println!("It's a tar inside");
let mut a = Archive::new(reader);
for inner in a.entries().unwrap() {
let mut inner = inner.unwrap();
// Only do actual files ("regular", not directories, fifo, etc)
if inner.header().entry_type() != tar::EntryType::Regular {
continue;
}
let mut hasher = Sha1::new();
let mut buf: [u8; 1*1024*1024] = [0; 1*1024*1024];
loop {
let got = inner.read(&mut buf[..])?;
if got <= 0 { break };
hasher.input(&buf[0..got]);
}
println!("{} {}",
hasher.result_str(),
inner.header().path()?.to_str().unwrap());
}
}
}
}
Ok(())
}
// At least for now...
quick_main!(run);
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