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use pcsc::*;
use std::thread::{ self, JoinHandle };
use std::collections::HashMap;
use std::ffi::CStr;
mod badge;
mod ndef;
pub use badge::NFCBadge;
pub fn handle_cards<F, G>(card_handler: F, reader_handler: G) -> JoinHandle<()>
where F: Fn(&Card, &CStr, usize),
F: Send + 'static,
G: Fn(&CStr, bool),
G: Send + 'static,
{
thread::spawn(move || {
let ctx = Context::establish(Scope::User).expect("Failed to establish context");
let mut readers_buf = [0; 2048];
let mut reader_states = vec![
ReaderState::new(PNP_NOTIFICATION(), State::UNAWARE),
];
let mut readers = HashMap::new();
loop {
fn is_invalid(rs: &ReaderState) -> bool {
rs.event_state().intersects(State::UNKNOWN | State::IGNORE)
}
reader_states.retain(|rs| {
let shouldKeep = !is_invalid(rs);
if !shouldKeep {
reader_handler(rs.name(), false);
}
shouldKeep
});
let names = ctx.list_readers(&mut readers_buf).expect("Failed to list readers");
for name in names {
if !reader_states.iter().any(|rs| rs.name() == name) && !name.to_str().unwrap().contains("Windows Hello") {
reader_handler(name, true);
reader_states.push(ReaderState::new(name, State::UNAWARE));
}
}
for rs in &mut reader_states {
rs.sync_current_state();
}
ctx.get_status_change(None, &mut reader_states).expect("Failed to get status change");
for (reader_index, rs) in reader_states.iter().enumerate() {
if rs.name() == PNP_NOTIFICATION() { continue; }
let name = rs.name().to_owned();
if rs.event_state().intersects(State::PRESENT) {
if !readers.get(&name).unwrap_or(&false) {
match ctx.connect(rs.name(), ShareMode::Shared, Protocols::ANY) {
Ok(card) => card_handler(&card, rs.name(), reader_index),
Err(Error::NoSmartcard) => {
eprintln!("A smartcard is not present in the reader");
}
Err(err) => {
eprintln!("Failed to connect to card: {}", err);
}
};
}
readers.insert(name, true);
}
else if rs.event_state().intersects(State::EMPTY) {
readers.insert(name, false);
}
}
}
})
}