1 files changed, 60 insertions, 0 deletions
diff --git a/src/imap/command/anonymous.rs b/src/imap/command/anonymous.rs
new file mode 100644
index 0000000..e4222f7
--- /dev/null
+++ b/src/imap/command/anonymous.rs
@@ -0,0 +1,60 @@
+
+use boitalettres::proto::{Request, Response};
+use crate::login::ArcLoginProvider;
+use crate::imap::Context;
+
+//--- dispatching
+
+pub async fn dispatch(ctx: Context) -> Result<Response> {
+    match ctx.req.body {
+        CommandBody::Capability => anonymous::capability(ctx).await,
+        CommandBody::Login { username, password } => anonymous::login(ctx, username, password).await,
+        _ => Status::no(Some(ctx.req.tag.clone()), None, "This command is not available in the ANONYMOUS state.")
+            .map(|s| vec![ImapRes::Status(s)])
+            .map_err(Error::msg),
+    }
+}
+
+//--- Command controllers
+
+pub async fn capability(ctx: Context) -> Result<Response> {
+    let capabilities = vec![Capability::Imap4Rev1, Capability::Idle];
+    let res = vec![
+        ImapRes::Data(Data::Capability(capabilities)),
+        ImapRes::Status(
+            Status::ok(Some(ctx.req.tag.clone()), None, "Server capabilities")
+            .map_err(Error::msg)?,
+            ),
+    ];
+    Ok(res)
+}
+
+pub async fn login(ctx: Context, username: AString, password: AString) -> Result<Response> {
+    let (u, p) = (String::try_from(username)?, String::try_from(password)?);
+    tracing::info!(user = %u, "command.login");
+
+    let creds = match ctx.login_provider.login(&u, &p).await {
+        Err(e) => {
+            tracing::debug!(error=%e, "authentication failed");
+            return Ok(vec![ImapRes::Status(
+                    Status::no(Some(ctx.req.tag.clone()), None, "Authentication failed")
+                    .map_err(Error::msg)?,
+                    )]);
+        }
+        Ok(c) => c,
+    };
+
+    let user = flow::User {
+        creds,
+        name: u.clone(),
+    };
+    ctx.state.authenticate(user)?;
+
+    tracing::info!(username=%u, "connected");
+    Ok(vec![
+       //@FIXME we could send a capability status here too
+       ImapRes::Status(
+           Status::ok(Some(ctx.req.tag.clone()), None, "completed").map_err(Error::msg)?,
+           ),
+    ])
+}