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use std::sync::Arc;
use std::task::{Context, Poll};
use boitalettres::errors::Error as BalError;
use boitalettres::proto::{Request,Response};
use futures::future::BoxFuture;
use tower::Service;
use crate::mailstore::Mailstore;
pub struct Connection {
pub mailstore: Arc<Mailstore>,
}
impl Connection {
pub fn new(mailstore: Arc<Mailstore>) -> Self {
Self { mailstore }
}
}
impl Service<Request> for Connection {
type Response = Response;
type Error = BalError;
type Future = BoxFuture<'static, Result<Self::Response, Self::Error>>;
fn poll_ready(&mut self, cx: &mut Context<'_>) -> Poll<Result<(), Self::Error>> {
Poll::Ready(Ok(()))
}
fn call(&mut self, req: Request) -> Self::Future {
tracing::debug!("Got request: {:#?}", req);
let mailstore = self.mailstore.clone();
Box::pin(async move {
use imap_codec::types::{
command::CommandBody,
response::{Capability, Data},
};
let r = match req.body {
CommandBody::Capability => {
let capabilities = vec![Capability::Imap4Rev1, Capability::Idle];
let body = vec![Data::Capability(capabilities)];
Response::ok(
"Pre-login capabilities listed, post-login capabilities have more.",
)?
.with_body(body)
}
CommandBody::Login {
username,
password,
} => {
let (u, p) = match (String::try_from(username), String::try_from(password)) {
(Ok(u), Ok(p)) => (u, p),
_ => { return Response::bad("Invalid characters") }
};
tracing::debug!(user = %u, "command.login");
let creds = match mailstore.login_provider.login(&u, &p).await {
Err(_) => { return Response::no("[AUTHENTICATIONFAILED] Authentication failed.") }
Ok(c) => c,
};
Response::ok("Logged in")?
}
_ => Response::bad("Error in IMAP command received by server.")?,
};
Ok(r)
})
}
}
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