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use tokio::io::{AsyncBufReadExt as _, AsyncWriteExt as _};
// TODO result
pub async fn pinentry(prompt: &str, desc: &str, tty: Option<&str>) -> String {
let mut opts = tokio::process::Command::new("pinentry");
let opts = opts
.stdin(std::process::Stdio::piped())
.stdout(std::process::Stdio::piped());
let opts = if let Some(tty) = tty {
opts.args(&["-T", tty])
} else {
opts
};
let mut child = opts.spawn().unwrap();
{
let stdin = child.stdin.as_mut().unwrap();
let mut stdout =
tokio::io::BufReader::new(child.stdout.as_mut().unwrap());
let mut buf = String::new();
stdin.write_all(b"SETTITLE rbw\n").await.unwrap();
stdout.read_line(&mut buf).await.unwrap();
stdin
.write_all(format!("SETPROMPT {}\n", prompt).as_bytes())
.await
.unwrap();
stdout.read_line(&mut buf).await.unwrap();
stdin
.write_all(format!("SETDESC {}\n", desc).as_bytes())
.await
.unwrap();
stdout.read_line(&mut buf).await.unwrap();
stdin.write_all(b"GETPIN\n").await.unwrap();
}
let res =
String::from_utf8(child.wait_with_output().await.unwrap().stdout)
.unwrap();
for line in res.lines() {
if line.starts_with("OK") {
continue;
} else if line.starts_with("D ") {
return line[2..line.len()].to_string();
}
}
panic!("failed to parse pinentry output: {:?}", res)
}
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