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use anyhow::Result;
use boitalettres::proto::{Request, Response};
use boitalettres::errors::Error as BalError;
use imap_codec::types::core::{Tag, AString};
use imap_codec::types::response::{Capability, Data};
use imap_codec::types::mailbox::{Mailbox as MailboxCodec, ListMailbox};
use imap_codec::types::sequence::SequenceSet;
use imap_codec::types::fetch_attributes::MacroOrFetchAttributes;
use crate::mailstore::Mailstore;
use crate::mailbox::Mailbox;
use crate::session;
pub struct Command<'a> {
tag: Tag,
session: &'a mut session::Instance,
}
impl<'a> Command<'a> {
pub fn new(tag: Tag, session: &'a mut session::Instance) -> Self {
Self { tag, session }
}
pub async fn capability(&self) -> Result<Response> {
let capabilities = vec![Capability::Imap4Rev1, Capability::Idle];
let body = vec![Data::Capability(capabilities)];
let r = Response::ok("Pre-login capabilities listed, post-login capabilities have more.")?
.with_body(body);
Ok(r)
}
pub async fn login(&mut self, 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 self.session.mailstore.login_provider.login(&u, &p).await {
Err(_) => return Ok(Response::no("[AUTHENTICATIONFAILED] Authentication failed.")?),
Ok(c) => c,
};
self.session.user = Some(session::User { creds, name: u.clone(), });
tracing::info!(username=%u, "connected");
Ok(Response::ok("Logged in")?)
}
pub async fn lsub(&self, reference: MailboxCodec, mailbox_wildcard: ListMailbox) -> Result<Response> {
Ok(Response::bad("Not implemented")?)
}
pub async fn list(&self, reference: MailboxCodec, mailbox_wildcard: ListMailbox) -> Result<Response> {
Ok(Response::bad("Not implemented")?)
}
/*
* TRACE BEGIN ---
Example: C: A142 SELECT INBOX
S: * 172 EXISTS
S: * 1 RECENT
S: * OK [UNSEEN 12] Message 12 is first unseen
S: * OK [UIDVALIDITY 3857529045] UIDs valid
S: * OK [UIDNEXT 4392] Predicted next UID
S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
S: * OK [PERMANENTFLAGS (\Deleted \Seen \*)] Limited
S: A142 OK [READ-WRITE] SELECT completed
* TRACE END ---
*/
pub async fn select(&mut self, mailbox: MailboxCodec) -> Result<Response> {
let name = String::try_from(mailbox)?;
let user = match self.session.user.as_ref() {
Some(u) => u,
_ => return Ok(Response::no("You must be connected to use SELECT")?),
};
let mut mb = Mailbox::new(&user.creds, name.clone())?;
tracing::info!(username=%user.name, mailbox=%name, "mailbox.selected");
let sum = mb.summary().await?;
tracing::trace!(summary=%sum, "mailbox.summary");
let body = vec![
Data::Exists(sum.exists.try_into()?),
Data::Recent(0),
];
self.session.selected = Some(mb);
Ok(Response::ok("[READ-WRITE] Select completed")?.with_body(body))
}
pub async fn fetch(&self, sequence_set: SequenceSet, attributes: MacroOrFetchAttributes, uid: bool) -> Result<Response> {
Ok(Response::bad("Not implemented")?)
}
}
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