From a6a0e1994db2b43f559e5c2e8ae5c58342e5136f Mon Sep 17 00:00:00 2001
From: Quentin Dufour <quentin@deuxfleurs.fr>
Date: Wed, 3 Jan 2024 20:53:07 +0100
Subject: ENABLE is now supported

---
 src/imap/command/authenticated.rs | 25 +++++++++++++++++++++++--
 src/imap/command/examined.rs      |  4 +++-
 src/imap/command/selected.rs      |  4 +++-
 3 files changed, 29 insertions(+), 4 deletions(-)

(limited to 'src/imap/command')

diff --git a/src/imap/command/authenticated.rs b/src/imap/command/authenticated.rs
index fbf29f9..ee7c8f3 100644
--- a/src/imap/command/authenticated.rs
+++ b/src/imap/command/authenticated.rs
@@ -3,14 +3,15 @@ use std::sync::Arc;
 
 use anyhow::{anyhow, bail, Result};
 use imap_codec::imap_types::command::{Command, CommandBody};
-use imap_codec::imap_types::core::{Atom, Literal, QuotedChar};
+use imap_codec::imap_types::core::{Atom, Literal, QuotedChar, NonEmptyVec};
 use imap_codec::imap_types::datetime::DateTime;
 use imap_codec::imap_types::flag::{Flag, FlagNameAttribute};
 use imap_codec::imap_types::mailbox::{ListMailbox, Mailbox as MailboxCodec};
 use imap_codec::imap_types::response::{Code, CodeOther, Data};
 use imap_codec::imap_types::status::{StatusDataItem, StatusDataItemName};
+use imap_codec::imap_types::extensions::enable::CapabilityEnable;
 
-use crate::imap::capability::ServerCapability;
+use crate::imap::capability::{ClientCapability, ServerCapability};
 use crate::imap::command::{anystate, MailboxName};
 use crate::imap::flow;
 use crate::imap::mailbox_view::MailboxView;
@@ -24,6 +25,7 @@ use crate::mail::IMF;
 pub struct AuthenticatedContext<'a> {
     pub req: &'a Command<'static>,
     pub server_capabilities: &'a ServerCapability,
+    pub client_capabilities: &'a mut ClientCapability,
     pub user: &'a Arc<User>,
 }
 
@@ -65,6 +67,11 @@ pub async fn dispatch<'a>(
             message,
         } => ctx.append(mailbox, flags, date, message).await,
 
+        // rfc5161 ENABLE
+        CommandBody::Enable { capabilities } => {
+            ctx.enable(capabilities)
+        },
+
         // Collect other commands
         _ => anystate::wrong_state(ctx.req.tag.clone()),
     }
@@ -511,6 +518,20 @@ impl<'a> AuthenticatedContext<'a> {
         }
     }
 
+    fn enable(self, cap_enable: &NonEmptyVec<CapabilityEnable<'static>>) -> Result<(Response<'static>, flow::Transition)> {
+        let mut response_builder = Response::build().to_req(self.req);
+        let capabilities = self.client_capabilities.try_enable(cap_enable.as_ref());
+        if capabilities.len() > 0 {
+            response_builder = response_builder.data(Data::Enabled { capabilities });
+        }
+        Ok((
+            response_builder
+                .message("ENABLE completed")
+                .ok()?,
+            flow::Transition::None,
+        ))
+    }
+
     pub(crate) async fn append_internal(
         self,
         mailbox: &MailboxCodec<'a>,
diff --git a/src/imap/command/examined.rs b/src/imap/command/examined.rs
index bddd0f9..0d688c0 100644
--- a/src/imap/command/examined.rs
+++ b/src/imap/command/examined.rs
@@ -7,7 +7,7 @@ use imap_codec::imap_types::fetch::MacroOrMessageDataItemNames;
 use imap_codec::imap_types::search::SearchKey;
 use imap_codec::imap_types::sequence::SequenceSet;
 
-use crate::imap::capability::ServerCapability;
+use crate::imap::capability::{ClientCapability, ServerCapability};
 use crate::imap::command::{anystate, authenticated};
 use crate::imap::flow;
 use crate::imap::mailbox_view::MailboxView;
@@ -19,6 +19,7 @@ pub struct ExaminedContext<'a> {
     pub user: &'a Arc<User>,
     pub mailbox: &'a mut MailboxView,
     pub server_capabilities: &'a ServerCapability,
+    pub client_capabilities: &'a mut ClientCapability,
 }
 
 pub async fn dispatch(ctx: ExaminedContext<'_>) -> Result<(Response<'static>, flow::Transition)> {
@@ -60,6 +61,7 @@ pub async fn dispatch(ctx: ExaminedContext<'_>) -> Result<(Response<'static>, fl
             authenticated::dispatch(authenticated::AuthenticatedContext {
                 req: ctx.req,
                 server_capabilities: ctx.server_capabilities,
+                client_capabilities: ctx.client_capabilities,
                 user: ctx.user,
             })
             .await
diff --git a/src/imap/command/selected.rs b/src/imap/command/selected.rs
index 28ebbe8..c8cc680 100644
--- a/src/imap/command/selected.rs
+++ b/src/imap/command/selected.rs
@@ -10,7 +10,7 @@ use imap_codec::imap_types::response::{Code, CodeOther};
 use imap_codec::imap_types::search::SearchKey;
 use imap_codec::imap_types::sequence::SequenceSet;
 
-use crate::imap::capability::ServerCapability;
+use crate::imap::capability::{ClientCapability, ServerCapability};
 use crate::imap::command::{anystate, authenticated, MailboxName};
 use crate::imap::flow;
 use crate::imap::mailbox_view::MailboxView;
@@ -23,6 +23,7 @@ pub struct SelectedContext<'a> {
     pub user: &'a Arc<User>,
     pub mailbox: &'a mut MailboxView,
     pub server_capabilities: &'a ServerCapability,
+    pub client_capabilities: &'a mut ClientCapability,
 }
 
 pub async fn dispatch<'a>(
@@ -76,6 +77,7 @@ pub async fn dispatch<'a>(
             authenticated::dispatch(authenticated::AuthenticatedContext {
                 req: ctx.req,
                 server_capabilities: ctx.server_capabilities,
+                client_capabilities: ctx.client_capabilities,
                 user: ctx.user,
             })
             .await
-- 
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