1 files changed, 71 insertions, 0 deletions
diff --git a/src/connection.rs b/src/connection.rs
new file mode 100644
index 0000000..aed11fa
--- /dev/null
+++ b/src/connection.rs
@@ -0,0 +1,71 @@
+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)
+        })
+    }
+}
+
+