151 lines
4.5 KiB
Rust
151 lines
4.5 KiB
Rust
use anyhow::{anyhow, Error, Result};
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use boitalettres::proto::Response;
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use imap_codec::types::command::CommandBody;
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use imap_codec::types::core::Tag;
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use imap_codec::types::mailbox::{ListMailbox, Mailbox as MailboxCodec};
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use imap_codec::types::response::{Code, Data, Response as ImapRes, Status};
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use crate::imap::command::anonymous;
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use crate::imap::flow;
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use crate::imap::session::InnerContext;
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use crate::mailbox::Mailbox;
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pub async fn dispatch<'a>(
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inner: InnerContext<'a>,
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user: &'a flow::User,
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) -> Result<(Response, flow::Transition)> {
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let ctx = StateContext {
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user,
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tag: &inner.req.tag,
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inner,
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};
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match &ctx.inner.req.body {
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CommandBody::Lsub {
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reference,
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mailbox_wildcard,
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} => ctx.lsub(reference, mailbox_wildcard).await,
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CommandBody::List {
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reference,
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mailbox_wildcard,
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} => ctx.list(reference, mailbox_wildcard).await,
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CommandBody::Select { mailbox } => ctx.select(mailbox).await,
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_ => anonymous::dispatch(ctx.inner).await,
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}
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}
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// --- PRIVATE ---
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struct StateContext<'a> {
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inner: InnerContext<'a>,
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user: &'a flow::User,
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tag: &'a Tag,
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}
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impl<'a> StateContext<'a> {
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async fn lsub(
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&self,
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reference: &MailboxCodec,
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mailbox_wildcard: &ListMailbox,
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) -> Result<(Response, flow::Transition)> {
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Ok((
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vec![ImapRes::Status(
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Status::bad(Some(self.tag.clone()), None, "Not implemented").map_err(Error::msg)?,
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)],
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flow::Transition::No,
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))
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}
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async fn list(
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&self,
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reference: &MailboxCodec,
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mailbox_wildcard: &ListMailbox,
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) -> Result<(Response, flow::Transition)> {
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Ok((
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vec![ImapRes::Status(
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Status::bad(Some(self.tag.clone()), None, "Not implemented").map_err(Error::msg)?,
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)],
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flow::Transition::No,
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))
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}
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/*
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* TRACE BEGIN ---
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Example: C: A142 SELECT INBOX
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S: * 172 EXISTS
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S: * 1 RECENT
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S: * OK [UNSEEN 12] Message 12 is first unseen
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S: * OK [UIDVALIDITY 3857529045] UIDs valid
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S: * OK [UIDNEXT 4392] Predicted next UID
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S: * FLAGS (\Answered \Flagged \Deleted \Seen \Draft)
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S: * OK [PERMANENTFLAGS (\Deleted \Seen \*)] Limited
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S: A142 OK [READ-WRITE] SELECT completed
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--- a mailbox with no unseen message -> no unseen entry
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20 select "INBOX.achats"
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* FLAGS (\Answered \Flagged \Deleted \Seen \Draft $Forwarded JUNK $label1)
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* OK [PERMANENTFLAGS (\Answered \Flagged \Deleted \Seen \Draft $Forwarded JUNK $label1 \*)] Flags permitted.
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* 88 EXISTS
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* 0 RECENT
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* OK [UIDVALIDITY 1347986788] UIDs valid
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* OK [UIDNEXT 91] Predicted next UID
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* OK [HIGHESTMODSEQ 72] Highest
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20 OK [READ-WRITE] Select completed (0.001 + 0.000 secs).
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* TRACE END ---
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*/
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async fn select(&self, mailbox: &MailboxCodec) -> Result<(Response, flow::Transition)> {
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let name = String::try_from(mailbox.clone())?;
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let mut mb = Mailbox::new(&self.user.creds, name.clone())?;
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tracing::info!(username=%self.user.name, mailbox=%name, "mailbox.selected");
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let sum = mb.summary().await?;
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tracing::trace!(summary=%sum, "mailbox.summary");
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let body = vec![Data::Exists(sum.exists.try_into()?), Data::Recent(0)];
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let r_unseen = Status::ok(
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None,
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Some(Code::Unseen(
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std::num::NonZeroU32::new(1).ok_or(anyhow!("Invalid message identifier"))?,
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)),
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"First unseen UID",
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)
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.map_err(Error::msg)?;
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//let r_permanentflags = Status::ok(None, Some(Code::
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let tr = flow::Transition::Select(mb);
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Ok((
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vec![
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ImapRes::Data(Data::Exists(0)),
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ImapRes::Data(Data::Recent(0)),
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ImapRes::Data(Data::Flags(vec![])),
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ImapRes::Status(
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Status::ok(
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None,
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Some(Code::UidValidity(sum.validity)),
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"UIDs valid"
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)
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.map_err(Error::msg)?,
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),
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/*ImapRes::Status(),
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ImapRes::Status(),*/
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ImapRes::Status(
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Status::ok(
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Some(self.tag.clone()),
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Some(Code::ReadWrite),
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"Select completed",
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)
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.map_err(Error::msg)?,
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),
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],
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tr,
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))
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}
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}
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