aerogramme/src/imap/command/authenticated.rs

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use anyhow::{anyhow, Error, Result};
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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;
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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>(
inner: InnerContext<'a>,
user: &'a flow::User,
) -> Result<(Response, flow::Transition)> {
let ctx = StateContext {
user,
tag: &inner.req.tag,
inner,
};
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match &ctx.inner.req.body {
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CommandBody::Lsub {
reference,
mailbox_wildcard,
} => ctx.lsub(reference, mailbox_wildcard).await,
CommandBody::List {
reference,
mailbox_wildcard,
} => 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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// --- PRIVATE ---
struct StateContext<'a> {
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inner: InnerContext<'a>,
user: &'a flow::User,
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tag: &'a Tag,
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}
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impl<'a> StateContext<'a> {
async fn lsub(
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&self,
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reference: &MailboxCodec,
mailbox_wildcard: &ListMailbox,
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) -> Result<(Response, flow::Transition)> {
Ok((
vec![ImapRes::Status(
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Status::bad(Some(self.tag.clone()), None, "Not implemented").map_err(Error::msg)?,
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)],
flow::Transition::No,
))
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}
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async fn list(
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&self,
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reference: &MailboxCodec,
mailbox_wildcard: &ListMailbox,
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) -> Result<(Response, flow::Transition)> {
Ok((
vec![ImapRes::Status(
Status::bad(Some(self.tag.clone()), None, "Not implemented").map_err(Error::msg)?,
)],
flow::Transition::No,
))
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}
/*
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* TRACE BEGIN ---
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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
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--- 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).
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* TRACE END ---
*/
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async fn select(&self, mailbox: &MailboxCodec) -> Result<(Response, flow::Transition)> {
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?;
tracing::trace!(summary=%sum, "mailbox.summary");
let body = vec![Data::Exists(sum.exists.try_into()?), Data::Recent(0)];
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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)?;
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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((
vec![
ImapRes::Data(Data::Exists(0)),
ImapRes::Data(Data::Recent(0)),
ImapRes::Data(Data::Flags(vec![])),
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ImapRes::Status(
Status::ok(
None,
Some(Code::UidValidity(sum.validity)),
"UIDs valid"
)
.map_err(Error::msg)?,
),
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/*ImapRes::Status(),
ImapRes::Status(),*/
ImapRes::Status(
Status::ok(
Some(self.tag.clone()),
Some(Code::ReadWrite),
"Select completed",
)
.map_err(Error::msg)?,
),
],
tr,
))
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}
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}