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use std::sync::Arc;
use anyhow::Result;
use boitalettres::proto::Request;
use boitalettres::proto::Response;
use imap_codec::types::command::CommandBody;
use imap_codec::types::flag::{Flag, StoreResponse, StoreType};
use imap_codec::types::mailbox::Mailbox as MailboxCodec;
use imap_codec::types::response::Code;
use imap_codec::types::sequence::SequenceSet;
use crate::imap::command::examined;
use crate::imap::flow;
use crate::imap::mailbox_view::MailboxView;
use crate::mail::user::User;
pub struct SelectedContext<'a> {
pub req: &'a Request,
pub user: &'a Arc<User>,
pub mailbox: &'a mut MailboxView,
}
pub async fn dispatch(ctx: SelectedContext<'_>) -> Result<(Response, flow::Transition)> {
match &ctx.req.command.body {
// Only write commands here, read commands are handled in
// `examined.rs`
CommandBody::Close => ctx.close().await,
CommandBody::Expunge => ctx.expunge().await,
CommandBody::Store {
sequence_set,
kind,
response,
flags,
uid,
} => ctx.store(sequence_set, kind, response, flags, uid).await,
CommandBody::Copy {
sequence_set,
mailbox,
uid,
} => ctx.copy(sequence_set, mailbox, uid).await,
_ => {
let ctx = examined::ExaminedContext {
req: ctx.req,
user: ctx.user,
mailbox: ctx.mailbox,
};
examined::dispatch(ctx).await
}
}
}
// --- PRIVATE ---
impl<'a> SelectedContext<'a> {
async fn close(self) -> Result<(Response, flow::Transition)> {
// We expunge messages,
// but we don't send the untagged EXPUNGE responses
self.expunge().await?;
Ok((Response::ok("CLOSE completed")?, flow::Transition::Unselect))
}
async fn expunge(self) -> Result<(Response, flow::Transition)> {
let data = self.mailbox.expunge().await?;
Ok((
Response::ok("EXPUNGE completed")?.with_body(data),
flow::Transition::None,
))
}
async fn store(
self,
sequence_set: &SequenceSet,
kind: &StoreType,
response: &StoreResponse,
flags: &[Flag],
uid: &bool,
) -> Result<(Response, flow::Transition)> {
let data = self
.mailbox
.store(sequence_set, kind, response, flags, uid)
.await?;
Ok((
Response::ok("STORE completed")?.with_body(data),
flow::Transition::None,
))
}
async fn copy(
self,
sequence_set: &SequenceSet,
mailbox: &MailboxCodec,
uid: &bool,
) -> Result<(Response, flow::Transition)> {
let name = String::try_from(mailbox.clone())?;
let mb_opt = self.user.open_mailbox(&name).await?;
let mb = match mb_opt {
Some(mb) => mb,
None => {
return Ok((
Response::no("Destination mailbox does not exist")?
.with_extra_code(Code::TryCreate),
flow::Transition::None,
))
}
};
let (uidval, uid_map) = self.mailbox.copy(sequence_set, mb, uid).await?;
let copyuid_str = format!(
"{} {} {}",
uidval,
uid_map
.iter()
.map(|(sid, _)| format!("{}", sid))
.collect::<Vec<_>>()
.join(","),
uid_map
.iter()
.map(|(_, tuid)| format!("{}", tuid))
.collect::<Vec<_>>()
.join(",")
);
Ok((
Response::ok("COPY completed")?.with_extra_code(Code::Other(
"COPYUID".try_into().unwrap(),
Some(copyuid_str),
)),
flow::Transition::None,
))
}
}
|
