Files
Stalwart/crates/imap/src/op/select.rs

178 lines
7.8 KiB
Rust

/*
* Copyright (c) 2020-2022, Stalwart Labs Ltd.
*
* This file is part of Stalwart Mail Server.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
* in the LICENSE file at the top-level directory of this distribution.
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* You can be released from the requirements of the AGPLv3 license by
* purchasing a commercial license. Please contact licensing@stalw.art
* for more details.
*/
use std::sync::Arc;
use imap_proto::{
protocol::{fetch, list::ListItem, select::Response, ImapResponse, Sequence},
receiver::Request,
Command, ResponseCode, StatusResponse,
};
use jmap_proto::types::id::Id;
use tokio::io::AsyncRead;
use crate::core::{SavedSearch, SelectedMailbox, Session, State};
use super::ToModSeq;
impl<T: AsyncRead> Session<T> {
pub async fn handle_select(&mut self, request: Request<Command>) -> crate::OpResult {
let is_select = request.command == Command::Select;
let command = request.command;
match request.parse_select(self.version) {
Ok(arguments) => {
let data = self.state.session_data();
// Refresh mailboxes
if let Err(err) = data.synchronize_mailboxes(false).await {
return self
.write_bytes(err.with_tag(arguments.tag).into_bytes())
.await;
}
if let Some(mailbox) = data.get_mailbox_by_name(&arguments.mailbox_name) {
// Syncronize messages
match data.fetch_messages(&mailbox).await {
Ok(state) => {
let closed_previous = self.state.is_mailbox_selected();
let is_condstore = self.is_condstore || arguments.condstore;
// Build new state
let uid_validity = state.uid_validity;
let uid_next = state.uid_next;
let total_messages = state.total_messages;
let highest_modseq = if is_condstore {
state.modseq.to_modseq().into()
} else {
None
};
let mailbox = Arc::new(SelectedMailbox {
id: mailbox,
state: parking_lot::Mutex::new(state),
saved_search: parking_lot::Mutex::new(SavedSearch::None),
is_select,
is_condstore,
});
// Validate QRESYNC arguments
if let Some(qresync) = arguments.qresync {
if !self.is_qresync {
return self
.write_bytes(
StatusResponse::no("QRESYNC is not enabled.")
.with_tag(arguments.tag)
.into_bytes(),
)
.await;
}
if qresync.uid_validity == uid_validity {
// Send flags for changed messages
data.fetch(
fetch::Arguments {
tag: String::new(),
sequence_set: qresync
.known_uids
.or_else(|| qresync.seq_match.map(|(_, s)| s))
.unwrap_or(Sequence::Range {
start: 1.into(),
end: None,
}),
attributes: vec![fetch::Attribute::Flags],
changed_since: qresync.modseq.into(),
include_vanished: true,
},
mailbox.clone(),
true,
true,
false,
)
.await;
}
}
// Build response
let response = Response {
mailbox: ListItem::new(arguments.mailbox_name),
total_messages,
recent_messages: 0,
unseen_seq: 0,
uid_validity,
uid_next,
closed_previous,
is_rev2: self.version.is_rev2(),
highest_modseq,
mailbox_id: Id::from_parts(
mailbox.id.account_id,
mailbox.id.mailbox_id.unwrap_or(u32::MAX),
)
.to_string(),
};
// Update state
self.state = State::Selected { data, mailbox };
self.write_bytes(
StatusResponse::completed(command)
.with_tag(arguments.tag)
.with_code(if is_select {
ResponseCode::ReadWrite
} else {
ResponseCode::ReadOnly
})
.serialize(response.serialize()),
)
.await
}
Err(mut response) => {
response.tag = arguments.tag.into();
self.write_bytes(response.into_bytes()).await
}
}
} else {
self.write_bytes(
StatusResponse::no("Mailbox does not exist.")
.with_tag(arguments.tag)
.with_code(ResponseCode::NonExistent)
.into_bytes(),
)
.await
}
}
Err(response) => self.write_bytes(response.into_bytes()).await,
}
}
pub async fn handle_unselect(&mut self, request: Request<Command>) -> crate::OpResult {
self.state = State::Authenticated {
data: self.state.session_data(),
};
self.write_bytes(
StatusResponse::completed(Command::Unselect)
.with_tag(request.tag)
.into_bytes(),
)
.await
}
}