use anyhow::{anyhow, Error, Result}; use boitalettres::proto::Response; use imap_codec::types::command::CommandBody; use imap_codec::types::core::Tag; use imap_codec::types::mailbox::{ListMailbox, Mailbox as MailboxCodec}; use imap_codec::types::response::{Code, Data, Response as ImapRes, Status}; use crate::imap::command::anonymous; use crate::imap::flow; use crate::imap::session::InnerContext; use crate::mailbox::Mailbox; pub async fn dispatch<'a>( inner: InnerContext<'a>, user: &'a flow::User, ) -> Result<(Response, flow::Transition)> { let ctx = StateContext { user, tag: &inner.req.tag, inner, }; match &ctx.inner.req.body { CommandBody::Lsub { reference, mailbox_wildcard, } => ctx.lsub(reference, mailbox_wildcard).await, CommandBody::List { reference, mailbox_wildcard, } => ctx.list(reference, mailbox_wildcard).await, CommandBody::Select { mailbox } => ctx.select(mailbox).await, _ => anonymous::dispatch(ctx.inner).await, } } // --- PRIVATE --- struct StateContext<'a> { inner: InnerContext<'a>, user: &'a flow::User, tag: &'a Tag, } impl<'a> StateContext<'a> { async fn lsub( &self, reference: &MailboxCodec, mailbox_wildcard: &ListMailbox, ) -> Result<(Response, flow::Transition)> { Ok(( vec![ImapRes::Status( Status::bad(Some(self.tag.clone()), None, "Not implemented").map_err(Error::msg)?, )], flow::Transition::No, )) } async fn list( &self, reference: &MailboxCodec, mailbox_wildcard: &ListMailbox, ) -> Result<(Response, flow::Transition)> { Ok(( vec![ImapRes::Status( Status::bad(Some(self.tag.clone()), None, "Not implemented").map_err(Error::msg)?, )], flow::Transition::No, )) } /* * 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 --- a mailbox with no unseen message -> no unseen entry 20 select "INBOX.achats" * FLAGS (\Answered \Flagged \Deleted \Seen \Draft $Forwarded JUNK $label1) * OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft $Forwarded JUNK $label1 \*)] Flags permitted. * 88 EXISTS * 0 RECENT * OK [UIDVALIDITY 1347986788] UIDs valid * OK [UIDNEXT 91] Predicted next UID * OK [HIGHESTMODSEQ 72] Highest 20 OK [READ-WRITE] Select completed (0.001 + 0.000 secs). * TRACE END --- */ async fn select(&self, mailbox: &MailboxCodec) -> Result<(Response, flow::Transition)> { let name = String::try_from(mailbox.clone())?; let mut mb = Mailbox::new(&self.user.creds, name.clone())?; tracing::info!(username=%self.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)]; let r_unseen = Status::ok( None, Some(Code::Unseen( std::num::NonZeroU32::new(1).ok_or(anyhow!("Invalid message identifier"))?, )), "First unseen UID", ) .map_err(Error::msg)?; //let r_permanentflags = Status::ok(None, Some(Code:: let tr = flow::Transition::Select(mb); Ok(( vec![ ImapRes::Data(Data::Exists(0)), ImapRes::Data(Data::Recent(0)), ImapRes::Data(Data::Flags(vec![])), ImapRes::Status( Status::ok( None, Some(Code::UidValidity(sum.validity)), "UIDs valid" ) .map_err(Error::msg)?, ), /*ImapRes::Status(), ImapRes::Status(),*/ ImapRes::Status( Status::ok( Some(self.tag.clone()), Some(Code::ReadWrite), "Select completed", ) .map_err(Error::msg)?, ), ], tr, )) } }