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|
use imap_next::{
imap_types::response::{CommandContinuationRequest, Greeting, Status},
server::{Event, Options, Server},
stream::Stream,
types::CommandAuthenticate,
};
use tokio::net::TcpListener;
#[tokio::main(flavor = "current_thread")]
async fn main() {
let listener = TcpListener::bind("127.0.0.1:12345").await.unwrap();
let (stream, _) = listener.accept().await.unwrap();
let mut stream = Stream::insecure(stream);
let mut server = Server::new(
Options::default(),
Greeting::ok(None, "server_idle (example)").unwrap(),
);
loop {
match stream.next(&mut server).await.unwrap() {
Event::GreetingSent { .. } => break,
event => println!("unexpected event: {event:?}"),
}
}
let mut current_authenticate_tag = None;
loop {
let event = stream.next(&mut server).await.unwrap();
println!("{event:?}");
// We don't implement any real SASL mechanism in this example.
let pretend_to_need_more_data = rand::random();
match event {
Event::CommandAuthenticateReceived {
command_authenticate: CommandAuthenticate { tag, .. },
} => {
if pretend_to_need_more_data {
server
.authenticate_continue(
CommandContinuationRequest::basic(None, "I need more data...").unwrap(),
)
.unwrap();
current_authenticate_tag = Some(tag);
} else {
server
.authenticate_finish(
Status::ok(Some(tag), None, "Thanks, that's already enough!").unwrap(),
)
.unwrap();
}
}
Event::AuthenticateDataReceived { .. } => {
if pretend_to_need_more_data {
server
.authenticate_continue(
CommandContinuationRequest::basic(None, "...more...").unwrap(),
)
.unwrap();
} else {
let tag = current_authenticate_tag.take().unwrap();
server
.authenticate_finish(Status::ok(Some(tag), None, "Thanks!").unwrap())
.unwrap();
}
}
Event::CommandReceived { command } => {
server.enqueue_status(
Status::no(Some(command.tag), None, "Please use AUTHENTICATE").unwrap(),
);
}
_ => {}
}
}
}
|
