Lomanic/oggify
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add support for helper script

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This commit is contained in:
Lorenzo Pistone 2019-02-14 16:07:11 +01:00
parent b201b792cc
commit 9ad4ee771c
1 changed files with 16 additions and 5 deletions
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21
src/main.rs
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@ -10,6 +10,8 @@ extern crate tokio_core;
use std::env;
use std::io::{self, BufRead, Read, Result};
use std::io::Write;
use std::process::{Command, Stdio};
use std::sync::atomic::{AtomicBool, Ordering};
use std::time::Duration;
@ -28,7 +30,7 @@ fn main() {
Builder::from_env(Env::default().default_filter_or("info")).init();
let args: Vec<_> = env::args().collect();
assert!(args.len() == 3, "Usage: {} USERNAME PASSWORD < tracks_file", args[0]);
assert!(args.len() == 3 || args.len() == 4, "Usage: {} user password [helper_script] < tracks_file", args[0]);
let mut core = Core::new().unwrap();
let handle = core.handle();
@ -67,8 +69,6 @@ fn main() {
warn!("Found track alternative {} -> {}", id.to_base62(), track.id.to_base62());
}
let artists_strs: Vec<_> = track.artists.iter().map(|id|core.run(Artist::get(&session, *id)).expect("Cannot get artist metadata").name).collect();
let artists_display = artists_strs.join(", ");
let fname = format!("{} - {}.ogg", artists_display, track.name);
debug!("File formats: {}", track.files.keys().map(|filetype|format!("{:?}", filetype)).collect::<Vec<_>>().join(" "));
let file_id = track.files.get(&FileFormat::OGG_VORBIS_320)
.or(track.files.get(&FileFormat::OGG_VORBIS_160))
@ -91,7 +91,18 @@ fn main() {
read_all.expect("Cannot read file stream");
let mut decrypted_buffer = Vec::new();
AudioDecrypt::new(key, &buffer[..]).read_to_end(&mut decrypted_buffer).expect("Cannot decrypt stream");
std::fs::write(&fname, &decrypted_buffer[0xa7..]).expect("Cannot write decrypted track");
info!("Filename: {}", fname);
if args.len() == 3 {
let fname = format!("{} - {}.ogg", artists_strs.join(", "), track.name);
std::fs::write(&fname, &decrypted_buffer[0xa7..]).expect("Cannot write decrypted track");
info!("Filename: {}", fname);
} else {
let mut cmd = Command::new(args[3].to_owned());
cmd.stdin(Stdio::piped());
cmd.arg(track.name).args(artists_strs.iter());
let mut child = cmd.spawn().expect("Could not run helper program");
let pipe = child.stdin.as_mut().expect("Could not open helper stdin");
pipe.write_all(&decrypted_buffer[0xa7..]).expect("Failed to write to stdin");
assert!(child.wait().expect("Out of ideas for error messages").success(), "Helper script returned an error");
}
});
}