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Implement imap-flow #34

Merged
quentin merged 18 commits from refactor/imap-flow into main 2024-01-02 22:44:29 +00:00
Conversation 0 Commits 18 Files changed 31 +468 -391
7 changed files with 468 additions and 391 deletions
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20
src/imap/command/anonymous.rs
View file

@ -13,11 +13,11 @@ use crate::mail::user::User;
//--- dispatching
pub struct AnonymousContext<'a> {
pub req: &'a Command<'static>,
pub req: &'a Command<'a>,
pub login_provider: &'a ArcLoginProvider,
}
pub async fn dispatch(ctx: AnonymousContext<'_>) -> Result<(Response, flow::Transition)> {
pub async fn dispatch<'a>(ctx: AnonymousContext<'a>) -> Result<(Response<'a>, flow::Transition)> {
match &ctx.req.body {
// Any State
CommandBody::Noop => anystate::noop_nothing(ctx.req.tag.clone()),
@ -39,14 +39,14 @@ pub async fn dispatch(ctx: AnonymousContext<'_>) -> Result<(Response, flow::Tran
//--- Command controllers, private
impl<'a> AnonymousContext<'a> {
async fn capability(self) -> Result<(Response, flow::Transition)> {
async fn capability(self) -> Result<(Response<'a>, flow::Transition)> {
let capabilities: NonEmptyVec<Capability> =
(vec![Capability::Imap4Rev1, Capability::Idle]).try_into()?;
let res = Response::ok()
let res = Response::build()
.to_req(self.req)
.message("Server capabilities")
.data(Data::Capability(capabilities))
.build()?;
.ok()?;
Ok((res, flow::Transition::None))
}
@ -54,7 +54,7 @@ impl<'a> AnonymousContext<'a> {
self,
username: &AString<'a>,
password: &Secret<AString<'a>>,
) -> Result<(Response, flow::Transition)> {
) -> Result<(Response<'a>, flow::Transition)> {
let (u, p) = (
std::str::from_utf8(username.as_ref())?,
std::str::from_utf8(password.declassify().as_ref())?,
@ -65,10 +65,10 @@ impl<'a> AnonymousContext<'a> {
Err(e) => {
tracing::debug!(error=%e, "authentication failed");
return Ok((
Response::no()
Response::build()
.to_req(self.req)
.message("Authentication failed")
.build()?,
.no()?,
flow::Transition::None,
));
}
@ -79,10 +79,10 @@ impl<'a> AnonymousContext<'a> {
tracing::info!(username=%u, "connected");
Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("Completed")
.build()?,
.ok()?,
flow::Transition::Authenticate(user),
))
}

27
src/imap/command/anystate.rs
View file

@ -5,45 +5,48 @@ use imap_codec::imap_types::response::{Capability, Data};
use crate::imap::flow;
use crate::imap::response::Response;
pub(crate) fn capability(tag: Tag) -> Result<(Response, flow::Transition)> {
pub(crate) fn capability<'a>(tag: Tag<'a>) -> Result<(Response<'a>, flow::Transition)> {
let capabilities: NonEmptyVec<Capability> =
(vec![Capability::Imap4Rev1, Capability::Idle]).try_into()?;
let res = Response::ok()
let res = Response::build()
.tag(tag)
.message("Server capabilities")
.data(Data::Capability(capabilities))
.build()?;
.ok()?;
Ok((res, flow::Transition::None))
}
pub(crate) fn noop_nothing(tag: Tag) -> Result<(Response, flow::Transition)> {
pub(crate) fn noop_nothing<'a>(tag: Tag<'a>) -> Result<(Response<'a>, flow::Transition)> {
Ok((
Response::ok().tag(tag).message("Noop completed.").build()?,
Response::build().tag(tag).message("Noop completed.").ok()?,
flow::Transition::None,
))
}
pub(crate) fn logout() -> Result<(Response, flow::Transition)> {
pub(crate) fn logout() -> Result<(Response<'static>, flow::Transition)> {
Ok((Response::bye()?, flow::Transition::Logout))
}
pub(crate) fn not_implemented(tag: Tag, what: &str) -> Result<(Response, flow::Transition)> {
pub(crate) fn not_implemented<'a>(
tag: Tag<'a>,
what: &str,
) -> Result<(Response<'a>, flow::Transition)> {
Ok((
Response::bad()
Response::build()
.tag(tag)
.message(format!("Command not implemented {}", what))
.build()?,
.bad()?,
flow::Transition::None,
))
}
pub(crate) fn wrong_state(tag: Tag) -> Result<(Response, flow::Transition)> {
pub(crate) fn wrong_state<'a>(tag: Tag<'a>) -> Result<(Response<'a>, flow::Transition)> {
Ok((
Response::bad()
Response::build()
.tag(tag)
.message("Command not authorized in this state")
.build()?,
.bad()?,
flow::Transition::None,
))
}

150
src/imap/command/authenticated.rs
View file

@ -20,14 +20,14 @@ use crate::mail::uidindex::*;
use crate::mail::user::{User, MAILBOX_HIERARCHY_DELIMITER as MBX_HIER_DELIM_RAW};
use crate::mail::IMF;
static MAILBOX_HIERARCHY_DELIMITER: QuotedChar = QuotedChar::unvalidated(MBX_HIER_DELIM_RAW);
pub struct AuthenticatedContext<'a> {
pub req: &'a Command<'static>,
pub req: &'a Command<'a>,
pub user: &'a Arc<User>,
}
pub async fn dispatch(ctx: AuthenticatedContext<'_>) -> Result<(Response, flow::Transition)> {
pub async fn dispatch<'a>(
ctx: AuthenticatedContext<'a>,
) -> Result<(Response<'a>, flow::Transition)> {
match &ctx.req.body {
// Any state
CommandBody::Noop => anystate::noop_nothing(ctx.req.tag.clone()),
@ -68,14 +68,14 @@ pub async fn dispatch(ctx: AuthenticatedContext<'_>) -> Result<(Response, flow::
// --- PRIVATE ---
impl<'a> AuthenticatedContext<'a> {
async fn create(self, mailbox: &MailboxCodec<'a>) -> Result<(Response, flow::Transition)> {
async fn create(self, mailbox: &MailboxCodec<'a>) -> Result<(Response<'a>, flow::Transition)> {
let name = match mailbox {
MailboxCodec::Inbox => {
return Ok((
Response::bad()
Response::build()
.to_req(self.req)
.message("Cannot create INBOX")
.build()?,
.bad()?,
flow::Transition::None,
));
}
@ -84,38 +84,38 @@ impl<'a> AuthenticatedContext<'a> {
match self.user.create_mailbox(&name).await {
Ok(()) => Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("CREATE complete")
.build()?,
.ok()?,
flow::Transition::None,
)),
Err(e) => Ok((
Response::no()
Response::build()
.to_req(self.req)
.message(&e.to_string())
.build()?,
.no()?,
flow::Transition::None,
)),
}
}
async fn delete(self, mailbox: &MailboxCodec<'a>) -> Result<(Response, flow::Transition)> {
async fn delete(self, mailbox: &MailboxCodec<'a>) -> Result<(Response<'a>, flow::Transition)> {
let name: &str = MailboxName(mailbox).try_into()?;
match self.user.delete_mailbox(&name).await {
Ok(()) => Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("DELETE complete")
.build()?,
.ok()?,
flow::Transition::None,
)),
Err(e) => Ok((
Response::no()
Response::build()
.to_req(self.req)
.message(e.to_string())
.build()?,
.no()?,
flow::Transition::None,
)),
}
@ -125,23 +125,23 @@ impl<'a> AuthenticatedContext<'a> {
self,
from: &MailboxCodec<'a>,
to: &MailboxCodec<'a>,
) -> Result<(Response, flow::Transition)> {
) -> Result<(Response<'a>, flow::Transition)> {
let name: &str = MailboxName(from).try_into()?;
let new_name: &str = MailboxName(to).try_into()?;
match self.user.rename_mailbox(&name, &new_name).await {
Ok(()) => Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("RENAME complete")
.build()?,
.ok()?,
flow::Transition::None,
)),
Err(e) => Ok((
Response::no()
Response::build()
.to_req(self.req)
.message(e.to_string())
.build()?,
.no()?,
flow::Transition::None,
)),
}
@ -152,14 +152,16 @@ impl<'a> AuthenticatedContext<'a> {
reference: &MailboxCodec<'a>,
mailbox_wildcard: &ListMailbox<'a>,
is_lsub: bool,
) -> Result<(Response, flow::Transition)> {
) -> Result<(Response<'a>, flow::Transition)> {
let mbx_hier_delim: QuotedChar = QuotedChar::unvalidated(MBX_HIER_DELIM_RAW);
let reference: &str = MailboxName(reference).try_into()?;
if !reference.is_empty() {
return Ok((
Response::bad()
Response::build()
.to_req(self.req)
.message("References not supported")
.build()?,
.bad()?,
flow::Transition::None,
));
}
@ -172,28 +174,28 @@ impl<'a> AuthenticatedContext<'a> {
if wildcard.is_empty() {
if is_lsub {
return Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("LSUB complete")
.data(Data::Lsub {
items: vec![],
delimiter: Some(MAILBOX_HIERARCHY_DELIMITER),
delimiter: Some(mbx_hier_delim),
mailbox: "".try_into().unwrap(),
})
.build()?,
.ok()?,
flow::Transition::None,
));
} else {
return Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("LIST complete")
.data(Data::List {
items: vec![],
delimiter: Some(MAILBOX_HIERARCHY_DELIMITER),
delimiter: Some(mbx_hier_delim),
mailbox: "".try_into().unwrap(),
})
.build()?,
.ok()?,
flow::Transition::None,
));
}
@ -227,13 +229,13 @@ impl<'a> AuthenticatedContext<'a> {
if is_lsub {
ret.push(Data::Lsub {
items,
delimiter: Some(MAILBOX_HIERARCHY_DELIMITER),
delimiter: Some(mbx_hier_delim),
mailbox,
});
} else {
ret.push(Data::List {
items,
delimiter: Some(MAILBOX_HIERARCHY_DELIMITER),
delimiter: Some(mbx_hier_delim),
mailbox,
});
}
@ -246,11 +248,11 @@ impl<'a> AuthenticatedContext<'a> {
"LIST completed"
};
Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message(msg)
.set_data(ret)
.build()?,
.many_data(ret)
.ok()?,
flow::Transition::None,
))
}
@ -259,23 +261,23 @@ impl<'a> AuthenticatedContext<'a> {
self,
mailbox: &MailboxCodec<'a>,
attributes: &[StatusDataItemName],
) -> Result<(Response, flow::Transition)> {
) -> Result<(Response<'a>, flow::Transition)> {
let name: &str = MailboxName(mailbox).try_into()?;
let mb_opt = self.user.open_mailbox(name).await?;
let mb = match mb_opt {
Some(mb) => mb,
None => {
return Ok((
Response::no()
Response::build()
.to_req(self.req)
.message("Mailbox does not exist")
.build()?,
.no()?,
flow::Transition::None,
))
}
};
let (view, _data) = MailboxView::new(mb).await?;
let view = MailboxView::new(mb).await;
let mut ret_attrs = vec![];
for attr in attributes.iter() {
@ -302,57 +304,63 @@ impl<'a> AuthenticatedContext<'a> {
};
Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("STATUS completed")
.data(data)
.build()?,
.ok()?,
flow::Transition::None,
))
}
async fn subscribe(self, mailbox: &MailboxCodec<'a>) -> Result<(Response, flow::Transition)> {
async fn subscribe(
self,
mailbox: &MailboxCodec<'a>,
) -> Result<(Response<'a>, flow::Transition)> {
let name: &str = MailboxName(mailbox).try_into()?;
if self.user.has_mailbox(&name).await? {
Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("SUBSCRIBE complete")
.build()?,
.ok()?,
flow::Transition::None,
))
} else {
Ok((
Response::bad()
Response::build()
.to_req(self.req)
.message(format!("Mailbox {} does not exist", name))
.build()?,
.bad()?,
flow::Transition::None,
))
}
}
async fn unsubscribe(self, mailbox: &MailboxCodec<'a>) -> Result<(Response, flow::Transition)> {
async fn unsubscribe(
self,
mailbox: &MailboxCodec<'a>,
) -> Result<(Response<'a>, flow::Transition)> {
let name: &str = MailboxName(mailbox).try_into()?;
if self.user.has_mailbox(&name).await? {
Ok((
Response::bad()
Response::build()
.to_req(self.req)
.message(format!(
"Cannot unsubscribe from mailbox {}: not supported by Aerogramme",
name
))
.build()?,
.bad()?,
flow::Transition::None,
))
} else {
Ok((
Response::no()
Response::build()
.to_req(self.req)
.message(format!("Mailbox {} does not exist", name))
.build()?,
.no()?,
flow::Transition::None,
))
}
@ -391,7 +399,7 @@ impl<'a> AuthenticatedContext<'a> {
* TRACE END ---
*/
async fn select(self, mailbox: &MailboxCodec<'a>) -> Result<(Response, flow::Transition)> {
async fn select(self, mailbox: &MailboxCodec<'a>) -> Result<(Response<'a>, flow::Transition)> {
let name: &str = MailboxName(mailbox).try_into()?;
let mb_opt = self.user.open_mailbox(&name).await?;
@ -399,29 +407,30 @@ impl<'a> AuthenticatedContext<'a> {
Some(mb) => mb,
None => {
return Ok((
Response::no()
Response::build()
.to_req(self.req)
.message("Mailbox does not exist")
.build()?,
.no()?,
flow::Transition::None,
))
}
};
tracing::info!(username=%self.user.username, mailbox=%name, "mailbox.selected");
let (mb, data) = MailboxView::new(mb).await?;
let mb = MailboxView::new(mb).await;
let data = mb.summary()?;
Ok((
Response::ok()
Response::build()
.message("Select completed")
.code(Code::ReadWrite)
.data(data)
.build()?,
.set_body(data)
.ok()?,
flow::Transition::Select(mb),
))
}
async fn examine(self, mailbox: &MailboxCodec<'a>) -> Result<(Response, flow::Transition)> {
async fn examine(self, mailbox: &MailboxCodec<'a>) -> Result<(Response<'a>, flow::Transition)> {
let name: &str = MailboxName(mailbox).try_into()?;
let mb_opt = self.user.open_mailbox(&name).await?;
@ -429,25 +438,26 @@ impl<'a> AuthenticatedContext<'a> {
Some(mb) => mb,
None => {
return Ok((
Response::no()
Response::build()
.to_req(self.req)
.message("Mailbox does not exist")
.build()?,
.no()?,
flow::Transition::None,
))
}
};
tracing::info!(username=%self.user.username, mailbox=%name, "mailbox.examined");
let (mb, data) = MailboxView::new(mb).await?;
let mb = MailboxView::new(mb).await;
let data = mb.summary()?;
Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("Examine completed")
.code(Code::ReadOnly)
.data(data)
.build()?,
.set_body(data)
.ok()?,
flow::Transition::Examine(mb),
))
}
@ -458,24 +468,24 @@ impl<'a> AuthenticatedContext<'a> {
flags: &[Flag<'a>],
date: &Option<DateTime>,
message: &Literal<'a>,
) -> Result<(Response, flow::Transition)> {
) -> Result<(Response<'a>, flow::Transition)> {
let append_tag = self.req.tag.clone();
match self.append_internal(mailbox, flags, date, message).await {
Ok((_mb, uidvalidity, uid)) => Ok((
Response::ok()
Response::build()
.tag(append_tag)
.message("APPEND completed")
.code(Code::Other(CodeOther::unvalidated(
format!("APPENDUID {} {}", uidvalidity, uid).into_bytes(),
)))
.build()?,
.ok()?,
flow::Transition::None,
)),
Err(e) => Ok((
Response::no()
Response::build()
.tag(append_tag)
.message(e.to_string())
.build()?,
.no()?,
flow::Transition::None,
)),
}

40
src/imap/command/examined.rs
View file

@ -19,7 +19,7 @@ pub struct ExaminedContext<'a> {
pub mailbox: &'a mut MailboxView,
}
pub async fn dispatch(ctx: ExaminedContext<'_>) -> Result<(Response, flow::Transition)> {
pub async fn dispatch<'a>(ctx: ExaminedContext<'a>) -> Result<(Response<'a>, flow::Transition)> {
match &ctx.req.body {
// Any State
// noop is specific to this state
@ -41,10 +41,10 @@ pub async fn dispatch(ctx: ExaminedContext<'_>) -> Result<(Response, flow::Trans
} => ctx.search(charset, criteria, uid).await,
CommandBody::Noop | CommandBody::Check => ctx.noop().await,
CommandBody::Expunge { .. } | CommandBody::Store { .. } => Ok((
Response::bad()
Response::build()
.to_req(ctx.req)
.message("Forbidden command: can't write in read-only mode (EXAMINE)")
.build()?,
.bad()?,
flow::Transition::None,
)),
@ -58,12 +58,12 @@ pub async fn dispatch(ctx: ExaminedContext<'_>) -> Result<(Response, flow::Trans
impl<'a> ExaminedContext<'a> {
/// CLOSE in examined state is not the same as in selected state
/// (in selected state it also does an EXPUNGE, here it doesn't)
async fn close(self) -> Result<(Response, flow::Transition)> {
async fn close(self) -> Result<(Response<'a>, flow::Transition)> {
Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("CLOSE completed")
.build()?,
.ok()?,
flow::Transition::Unselect,
))
}
@ -71,23 +71,23 @@ impl<'a> ExaminedContext<'a> {
pub async fn fetch(
self,
sequence_set: &SequenceSet,
attributes: &MacroOrMessageDataItemNames<'a>,
attributes: &'a MacroOrMessageDataItemNames<'a>,
uid: &bool,
) -> Result<(Response, flow::Transition)> {
) -> Result<(Response<'a>, flow::Transition)> {
match self.mailbox.fetch(sequence_set, attributes, uid).await {
Ok(resp) => Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("FETCH completed")
.set_data(resp)
.build()?,
.set_body(resp)
.ok()?,
flow::Transition::None,
)),
Err(e) => Ok((
Response::no()
Response::build()
.to_req(self.req)
.message(e.to_string())
.build()?,
.no()?,
flow::Transition::None,
)),
}
@ -98,26 +98,26 @@ impl<'a> ExaminedContext<'a> {
_charset: &Option<Charset<'a>>,
_criteria: &SearchKey<'a>,
_uid: &bool,
) -> Result<(Response, flow::Transition)> {
) -> Result<(Response<'a>, flow::Transition)> {
Ok((
Response::bad()
Response::build()
.to_req(self.req)
.message("Not implemented")
.build()?,
.bad()?,
flow::Transition::None,
))
}
pub async fn noop(self) -> Result<(Response, flow::Transition)> {
pub async fn noop(self) -> Result<(Response<'a>, flow::Transition)> {
self.mailbox.mailbox.force_sync().await?;
let updates = self.mailbox.update().await?;
Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("NOOP completed.")
.set_data(updates)
.build()?,
.set_body(updates)
.ok()?,
flow::Transition::None,
))
}

60
src/imap/command/selected.rs
View file

@ -23,7 +23,7 @@ pub struct SelectedContext<'a> {
pub mailbox: &'a mut MailboxView,
}
pub async fn dispatch(ctx: SelectedContext<'_>) -> Result<(Response, flow::Transition)> {
pub async fn dispatch<'a>(ctx: SelectedContext<'a>) -> Result<(Response<'a>, flow::Transition)> {
match &ctx.req.body {
// Any State
// noop is specific to this state
@ -65,13 +65,13 @@ pub async fn dispatch(ctx: SelectedContext<'_>) -> Result<(Response, flow::Trans
// --- PRIVATE ---
impl<'a> SelectedContext<'a> {
async fn close(self) -> Result<(Response, flow::Transition)> {
async fn close(self) -> Result<(Response<'a>, flow::Transition)> {
// We expunge messages,
// but we don't send the untagged EXPUNGE responses
let tag = self.req.tag.clone();
self.expunge().await?;
Ok((
Response::ok().tag(tag).message("CLOSE completed").build()?,
Response::build().tag(tag).message("CLOSE completed").ok()?,
flow::Transition::Unselect,
))
}
@ -79,23 +79,23 @@ impl<'a> SelectedContext<'a> {
pub async fn fetch(
self,
sequence_set: &SequenceSet,
attributes: &MacroOrMessageDataItemNames<'a>,
attributes: &'a MacroOrMessageDataItemNames<'a>,
uid: &bool,
) -> Result<(Response, flow::Transition)> {
) -> Result<(Response<'a>, flow::Transition)> {
match self.mailbox.fetch(sequence_set, attributes, uid).await {
Ok(resp) => Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("FETCH completed")
.set_data(resp)
.build()?,
.set_body(resp)
.ok()?,
flow::Transition::None,
)),
Err(e) => Ok((
Response::no()
Response::build()
.to_req(self.req)
.message(e.to_string())
.build()?,
.no()?,
flow::Transition::None,
)),
}
@ -106,40 +106,40 @@ impl<'a> SelectedContext<'a> {
_charset: &Option<Charset<'a>>,
_criteria: &SearchKey<'a>,
_uid: &bool,
) -> Result<(Response, flow::Transition)> {
) -> Result<(Response<'a>, flow::Transition)> {
Ok((
Response::bad()
Response::build()
.to_req(self.req)
.message("Not implemented")
.build()?,
.bad()?,
flow::Transition::None,
))
}
pub async fn noop(self) -> Result<(Response, flow::Transition)> {
pub async fn noop(self) -> Result<(Response<'a>, flow::Transition)> {
self.mailbox.mailbox.force_sync().await?;
let updates = self.mailbox.update().await?;
Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("NOOP completed.")
.set_data(updates)
.build()?,
.set_body(updates)
.ok()?,
flow::Transition::None,
))
}
async fn expunge(self) -> Result<(Response, flow::Transition)> {
async fn expunge(self) -> Result<(Response<'a>, flow::Transition)> {
let tag = self.req.tag.clone();
let data = self.mailbox.expunge().await?;
Ok((
Response::ok()
Response::build()
.tag(tag)
.message("EXPUNGE completed")
.data(data)
.build()?,
.set_body(data)
.ok()?,
flow::Transition::None,
))
}
@ -151,18 +151,18 @@ impl<'a> SelectedContext<'a> {
response: &StoreResponse,
flags: &[Flag<'a>],
uid: &bool,
) -> Result<(Response, flow::Transition)> {
) -> Result<(Response<'a>, flow::Transition)> {
let data = self
.mailbox
.store(sequence_set, kind, response, flags, uid)
.await?;
Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("STORE completed")
.set_data(data)
.build()?,
.set_body(data)
.ok()?,
flow::Transition::None,
))
}
@ -172,7 +172,7 @@ impl<'a> SelectedContext<'a> {
sequence_set: &SequenceSet,
mailbox: &MailboxCodec<'a>,
uid: &bool,
) -> Result<(Response, flow::Transition)> {
) -> Result<(Response<'a>, flow::Transition)> {
let name: &str = MailboxName(mailbox).try_into()?;
let mb_opt = self.user.open_mailbox(&name).await?;
@ -180,11 +180,11 @@ impl<'a> SelectedContext<'a> {
Some(mb) => mb,
None => {
return Ok((
Response::no()
Response::build()
.to_req(self.req)
.message("Destination mailbox does not exist")
.code(Code::TryCreate)
.build()?,
.no()?,
flow::Transition::None,
))
}
@ -208,13 +208,13 @@ impl<'a> SelectedContext<'a> {
);
Ok((
Response::ok()
Response::build()
.to_req(self.req)
.message("COPY completed")
.code(Code::Other(CodeOther::unvalidated(
format!("COPYUID {}", copyuid_str).into_bytes(),
)))
.build()?,
.ok()?,
flow::Transition::None,
))
}

441
src/imap/mailbox_view.rs
View file

@ -4,21 +4,19 @@ use std::num::NonZeroU32;
use std::sync::Arc;
use anyhow::{anyhow, bail, Error, Result};
use boitalettres::proto::res::body::Data as Body;
use chrono::{Offset, TimeZone, Utc};
use futures::stream::{FuturesOrdered, StreamExt};
use imap_codec::imap_types::address::Address;
use imap_codec::imap_types::body::{BasicFields, Body as FetchBody, BodyStructure, SpecificFields};
use imap_codec::imap_types::core::{AString, Atom, IString, NString};
use imap_codec::imap_types::datetime::MyDateTime;
use imap_codec::imap_types::envelope::Envelope;
use imap_codec::imap_types::fetch_attributes::{
FetchAttribute, MacroOrFetchAttributes, Section as FetchSection,
use imap_codec::imap_types::core::{AString, Atom, IString, NString, NonEmptyVec};
use imap_codec::imap_types::datetime::DateTime;
use imap_codec::imap_types::envelope::{Address, Envelope};
use imap_codec::imap_types::fetch::{
MacroOrMessageDataItemNames, MessageDataItem, MessageDataItemName, Section as FetchSection,
};
use imap_codec::imap_types::flag::{Flag, StoreResponse, StoreType};
use imap_codec::imap_types::response::{Code, Data, MessageAttribute, Status};
use imap_codec::imap_types::flag::{Flag, FlagFetch, FlagPerm, StoreResponse, StoreType};
use imap_codec::imap_types::response::{Code, Data, Status};
use imap_codec::imap_types::sequence::{self, SequenceSet};
use eml_codec::{
@ -28,6 +26,7 @@ use eml_codec::{
};
use crate::cryptoblob::Key;
use crate::imap::response::Body;
use crate::mail::mailbox::{MailMeta, Mailbox};
use crate::mail::uidindex::{ImapUid, ImapUidvalidity, UidIndex};
use crate::mail::unique_ident::UniqueIdent;
@ -76,20 +75,20 @@ impl<'a> FetchedMail<'a> {
}
}
pub struct AttributesProxy {
attrs: Vec<FetchAttribute>,
pub struct AttributesProxy<'a> {
attrs: Vec<MessageDataItemName<'a>>,
}
impl AttributesProxy {
fn new(attrs: &MacroOrFetchAttributes, is_uid_fetch: bool) -> Self {
impl<'a> AttributesProxy<'a> {
fn new(attrs: &'a MacroOrMessageDataItemNames<'a>, is_uid_fetch: bool) -> Self {
// Expand macros
let mut fetch_attrs = match attrs {
MacroOrFetchAttributes::Macro(m) => m.expand(),
MacroOrFetchAttributes::FetchAttributes(a) => a.clone(),
MacroOrMessageDataItemNames::Macro(m) => m.expand(),
MacroOrMessageDataItemNames::MessageDataItemNames(a) => a.clone(),
};
// Handle uids
if is_uid_fetch && !fetch_attrs.contains(&FetchAttribute::Uid) {
fetch_attrs.push(FetchAttribute::Uid);
if is_uid_fetch && !fetch_attrs.contains(&MessageDataItemName::Uid) {
fetch_attrs.push(MessageDataItemName::Uid);
}
Self { attrs: fetch_attrs }
@ -99,11 +98,11 @@ impl AttributesProxy {
self.attrs.iter().any(|x| {
matches!(
x,
FetchAttribute::Body
| FetchAttribute::BodyExt { .. }
| FetchAttribute::Rfc822
| FetchAttribute::Rfc822Text
| FetchAttribute::BodyStructure
MessageDataItemName::Body
| MessageDataItemName::BodyExt { .. }
| MessageDataItemName::Rfc822
| MessageDataItemName::Rfc822Text
| MessageDataItemName::BodyStructure
)
})
}
@ -127,16 +126,20 @@ pub struct MailView<'a> {
meta: &'a MailMeta,
flags: &'a Vec<String>,
content: FetchedMail<'a>,
add_seen: bool,
}
enum SeenFlag {
DoNothing,
MustAdd,
}
impl<'a> MailView<'a> {
fn uid(&self) -> MessageAttribute {
MessageAttribute::Uid(self.ids.uid)
fn uid(&self) -> MessageDataItem<'static> {
MessageDataItem::Uid(self.ids.uid.clone())
}
fn flags(&self) -> MessageAttribute {
MessageAttribute::Flags(
fn flags(&self) -> MessageDataItem<'static> {
MessageDataItem::Flags(
self.flags
.iter()
.filter_map(|f| string_to_flag(f))
@ -144,12 +147,12 @@ impl<'a> MailView<'a> {
)
}
fn rfc_822_size(&self) -> MessageAttribute {
MessageAttribute::Rfc822Size(self.meta.rfc822_size as u32)
fn rfc_822_size(&self) -> MessageDataItem<'static> {
MessageDataItem::Rfc822Size(self.meta.rfc822_size as u32)
}
fn rfc_822_header(&self) -> MessageAttribute {
MessageAttribute::Rfc822Header(NString(
fn rfc_822_header(&self) -> MessageDataItem<'static> {
MessageDataItem::Rfc822Header(NString(
self.meta
.headers
.to_vec()
@ -159,41 +162,42 @@ impl<'a> MailView<'a> {
))
}
fn rfc_822_text(&self) -> Result<MessageAttribute> {
Ok(MessageAttribute::Rfc822Text(NString(
fn rfc_822_text(&self) -> Result<MessageDataItem<'static>> {
Ok(MessageDataItem::Rfc822Text(NString(
self.content
.as_full()?
.raw_body
.to_vec()
.try_into()
.ok()
.map(IString::Literal),
)))
}
fn rfc822(&self) -> Result<MessageAttribute> {
Ok(MessageAttribute::Rfc822(NString(
fn rfc822(&self) -> Result<MessageDataItem<'static>> {
Ok(MessageDataItem::Rfc822(NString(
self.content
.as_full()?
.raw_part
.clone()
.to_vec()
.try_into()
.ok()
.map(IString::Literal),
)))
}
fn envelope(&self) -> MessageAttribute {
MessageAttribute::Envelope(message_envelope(self.content.imf()))
fn envelope(&self) -> MessageDataItem<'static> {
MessageDataItem::Envelope(message_envelope(self.content.imf().clone()))
}
fn body(&self) -> Result<MessageAttribute> {
Ok(MessageAttribute::Body(build_imap_email_struct(
fn body(&self) -> Result<MessageDataItem<'static>> {
Ok(MessageDataItem::Body(build_imap_email_struct(
self.content.as_full()?.child.as_ref(),
)?))
}
fn body_structure(&self) -> Result<MessageAttribute> {
Ok(MessageAttribute::Body(build_imap_email_struct(
fn body_structure(&self) -> Result<MessageDataItem<'static>> {
Ok(MessageDataItem::Body(build_imap_email_struct(
self.content.as_full()?.child.as_ref(),
)?))
}
@ -202,12 +206,14 @@ impl<'a> MailView<'a> {
/// peek does not implicitly set the \Seen flag
/// eg. BODY[HEADER.FIELDS (DATE FROM)]
/// eg. BODY[]<0.2048>
fn body_ext(
&mut self,
section: &Option<FetchSection>,
fn body_ext<'b>(
&self,
section: &Option<FetchSection<'b>>,
partial: &Option<(u32, NonZeroU32)>,
peek: &bool,
) -> Result<MessageAttribute> {
) -> Result<(MessageDataItem<'b>, SeenFlag)> {
let mut seen = SeenFlag::DoNothing;
// Extract message section
let text = get_message_section(self.content.as_anypart()?, section)?;
@ -215,7 +221,7 @@ impl<'a> MailView<'a> {
if !peek && !self.flags.iter().any(|x| *x == seen_flag) {
// Add \Seen flag
//self.mailbox.add_flags(uuid, &[seen_flag]).await?;
self.add_seen = true;
seen = SeenFlag::MustAdd;
}
// Handle <<partial>> which cut the message bytes
@ -223,49 +229,60 @@ impl<'a> MailView<'a> {
let data = NString(text.to_vec().try_into().ok().map(IString::Literal));
return Ok(MessageAttribute::BodyExt {
section: section.clone(),
origin,
data,
});
return Ok((
MessageDataItem::BodyExt {
section: section.as_ref().map(|fs| fs.clone()),
origin,
data,
},
seen,
));
}
fn internal_date(&self) -> Result<MessageAttribute> {
fn internal_date(&self) -> Result<MessageDataItem<'static>> {
let dt = Utc
.fix()
.timestamp_opt(i64::try_from(self.meta.internaldate / 1000)?, 0)
.earliest()
.ok_or(anyhow!("Unable to parse internal date"))?;
Ok(MessageAttribute::InternalDate(MyDateTime(dt)))
Ok(MessageDataItem::InternalDate(DateTime::unvalidated(dt)))
}
fn filter(&mut self, ap: &AttributesProxy) -> Result<Body> {
fn filter<'b>(&self, ap: &AttributesProxy<'b>) -> Result<(Body<'b>, SeenFlag)> {
let mut seen = SeenFlag::DoNothing;
let res_attrs = ap
.attrs
.iter()
.map(|attr| match attr {
FetchAttribute::Uid => Ok(self.uid()),
FetchAttribute::Flags => Ok(self.flags()),
FetchAttribute::Rfc822Size => Ok(self.rfc_822_size()),
FetchAttribute::Rfc822Header => Ok(self.rfc_822_header()),
FetchAttribute::Rfc822Text => self.rfc_822_text(),
FetchAttribute::Rfc822 => self.rfc822(),
FetchAttribute::Envelope => Ok(self.envelope()),
FetchAttribute::Body => self.body(),
FetchAttribute::BodyStructure => self.body_structure(),
FetchAttribute::BodyExt {
MessageDataItemName::Uid => Ok(self.uid()),
MessageDataItemName::Flags => Ok(self.flags()),
MessageDataItemName::Rfc822Size => Ok(self.rfc_822_size()),
MessageDataItemName::Rfc822Header => Ok(self.rfc_822_header()),
MessageDataItemName::Rfc822Text => self.rfc_822_text(),
MessageDataItemName::Rfc822 => self.rfc822(),
MessageDataItemName::Envelope => Ok(self.envelope()),
MessageDataItemName::Body => self.body(),
MessageDataItemName::BodyStructure => self.body_structure(),
MessageDataItemName::BodyExt {
section,
partial,
peek,
} => self.body_ext(section, partial, peek),
FetchAttribute::InternalDate => self.internal_date(),
} => {
let (body, has_seen) = self.body_ext(section, partial, peek)?;
seen = has_seen;
Ok(body)
}
MessageDataItemName::InternalDate => self.internal_date(),
})
.collect::<Result<Vec<_>, _>>()?;
Ok(Body::Data(Data::Fetch {
seq_or_uid: self.ids.i,
attributes: res_attrs,
}))
Ok((
Body::Data(Data::Fetch {
seq: self.ids.i,
items: res_attrs.try_into()?,
}),
seen,
))
}
}
@ -376,7 +393,6 @@ impl<'a> MailSelectionBuilder<'a> {
meta,
flags,
content,
add_seen: false,
})
.collect())
}
@ -396,35 +412,26 @@ pub struct MailboxView {
impl MailboxView {
/// Creates a new IMAP view into a mailbox.
/// Generates the necessary IMAP messages so that the client
/// has a satisfactory summary of the current mailbox's state.
/// These are the messages that are sent in response to a SELECT command.
pub async fn new(mailbox: Arc<Mailbox>) -> Result<(Self, Vec<Body>)> {
pub async fn new(mailbox: Arc<Mailbox>) -> Self {
let state = mailbox.current_uid_index().await;
let new_view = Self {
Self {
mailbox,
known_state: state,
};
let mut data = Vec::<Body>::new();
data.push(new_view.exists_status()?);
data.push(new_view.recent_status()?);
data.extend(new_view.flags_status()?.into_iter());
data.push(new_view.uidvalidity_status()?);
data.push(new_view.uidnext_status()?);
Ok((new_view, data))
}
}
/// Create an updated view, useful to make a diff
/// between what the client knows and new stuff
/// Produces a set of IMAP responses describing the change between
/// what the client knows and what is actually in the mailbox.
/// This does NOT trigger a sync, it bases itself on what is currently
/// loaded in RAM by Bayou.
pub async fn update(&mut self) -> Result<Vec<Body>> {
let new_view = MailboxView {
mailbox: self.mailbox.clone(),
known_state: self.mailbox.current_uid_index().await,
pub async fn update(&mut self) -> Result<Vec<Body<'static>>> {
let old_view: &mut Self = self;
let new_view = Self {
mailbox: old_view.mailbox.clone(),
known_state: old_view.mailbox.current_uid_index().await,
};
let mut data = Vec::<Body>::new();
@ -446,7 +453,7 @@ impl MailboxView {
// - notify client of expunged mails
let mut n_expunge = 0;
for (i, (_uid, uuid)) in self.known_state.idx_by_uid.iter().enumerate() {
for (i, (_uid, uuid)) in old_view.known_state.idx_by_uid.iter().enumerate() {
if !new_view.known_state.table.contains_key(uuid) {
data.push(Body::Data(Data::Expunge(
NonZeroU32::try_from((i + 1 - n_expunge) as u32).unwrap(),
@ -456,49 +463,63 @@ impl MailboxView {
}
// - if new mails arrived, notify client of number of existing mails
if new_view.known_state.table.len() != self.known_state.table.len() - n_expunge
|| new_view.known_state.uidvalidity != self.known_state.uidvalidity
if new_view.known_state.table.len() != old_view.known_state.table.len() - n_expunge
|| new_view.known_state.uidvalidity != old_view.known_state.uidvalidity
{
data.push(new_view.exists_status()?);
}
if new_view.known_state.uidvalidity != self.known_state.uidvalidity {
if new_view.known_state.uidvalidity != old_view.known_state.uidvalidity {
// TODO: do we want to push less/more info than this?
data.push(new_view.uidvalidity_status()?);
data.push(new_view.uidnext_status()?);
} else {
// - if flags changed for existing mails, tell client
for (i, (_uid, uuid)) in new_view.known_state.idx_by_uid.iter().enumerate() {
let old_mail = self.known_state.table.get(uuid);
let old_mail = old_view.known_state.table.get(uuid);
let new_mail = new_view.known_state.table.get(uuid);
if old_mail.is_some() && old_mail != new_mail {
if let Some((uid, flags)) = new_mail {
data.push(Body::Data(Data::Fetch {
seq_or_uid: NonZeroU32::try_from((i + 1) as u32).unwrap(),
attributes: vec![
MessageAttribute::Uid(*uid),
MessageAttribute::Flags(
seq: NonZeroU32::try_from((i + 1) as u32).unwrap(),
items: vec![
MessageDataItem::Uid(*uid),
MessageDataItem::Flags(
flags.iter().filter_map(|f| string_to_flag(f)).collect(),
),
],
]
.try_into()?,
}));
}
}
}
}
*self = new_view;
*old_view = new_view;
Ok(data)
}
pub async fn store(
/// Generates the necessary IMAP messages so that the client
/// has a satisfactory summary of the current mailbox's state.
/// These are the messages that are sent in response to a SELECT command.
pub fn summary(&self) -> Result<Vec<Body<'static>>> {
let mut data = Vec::<Body>::new();
data.push(self.exists_status()?);
data.push(self.recent_status()?);
data.extend(self.flags_status()?.into_iter());
data.push(self.uidvalidity_status()?);
data.push(self.uidnext_status()?);
Ok(data)
}
pub async fn store<'a>(
&mut self,
sequence_set: &SequenceSet,
kind: &StoreType,
_response: &StoreResponse,
flags: &[Flag],
flags: &[Flag<'a>],
is_uid_store: &bool,
) -> Result<Vec<Body>> {
) -> Result<Vec<Body<'static>>> {
self.mailbox.opportunistic_sync().await?;
let flags = flags.iter().map(|x| x.to_string()).collect::<Vec<_>>();
@ -522,7 +543,7 @@ impl MailboxView {
self.update().await
}
pub async fn expunge(&mut self) -> Result<Vec<Body>> {
pub async fn expunge(&mut self) -> Result<Vec<Body<'static>>> {
self.mailbox.opportunistic_sync().await?;
let deleted_flag = Flag::Deleted.to_string();
@ -569,12 +590,12 @@ impl MailboxView {
/// Looks up state changes in the mailbox and produces a set of IMAP
/// responses describing the new state.
pub async fn fetch(
pub async fn fetch<'b>(
&self,
sequence_set: &SequenceSet,
attributes: &MacroOrFetchAttributes,
attributes: &'b MacroOrMessageDataItemNames<'b>,
is_uid_fetch: &bool,
) -> Result<Vec<Body>> {
) -> Result<Vec<Body<'b>>> {
let ap = AttributesProxy::new(attributes, *is_uid_fetch);
// Prepare data
@ -619,31 +640,37 @@ impl MailboxView {
selection.with_bodies(bodies.as_slice());
// Build mail selection views
let mut views = selection.build()?;
let views = selection.build()?;
// Filter views to build the result
let ret = views
.iter_mut()
.filter_map(|mv| mv.filter(&ap).ok())
.collect::<Vec<_>>();
// Register seen flags
let future_flags = views
// Also identify what must be put as seen
let filtered_view = views
.iter()
.filter(|mv| mv.add_seen)
.map(|mv| async move {
.filter_map(|mv| mv.filter(&ap).ok().map(|(body, seen)| (mv, body, seen)))
.collect::<Vec<_>>();
// Register seen flags
let future_flags = filtered_view
.iter()
.filter(|(_mv, _body, seen)| matches!(seen, SeenFlag::MustAdd))
.map(|(mv, _body, _seen)| async move {
let seen_flag = Flag::Seen.to_string();
self.mailbox.add_flags(mv.ids.uuid, &[seen_flag]).await?;
Ok::<_, anyhow::Error>(())
})
.collect::<FuturesOrdered<_>>();
future_flags
.collect::<Vec<_>>()
.await
.into_iter()
.collect::<Result<_, _>>()?;
Ok(ret)
let command_body = filtered_view
.into_iter()
.map(|(_mv, body, _seen)| body)
.collect::<Vec<_>>();
Ok(command_body)
}
// ----
@ -717,7 +744,7 @@ impl MailboxView {
// ----
/// Produce an OK [UIDVALIDITY _] message corresponding to `known_state`
fn uidvalidity_status(&self) -> Result<Body> {
fn uidvalidity_status(&self) -> Result<Body<'static>> {
let uid_validity = Status::ok(
None,
Some(Code::UidValidity(self.uidvalidity())),
@ -732,7 +759,7 @@ impl MailboxView {
}
/// Produce an OK [UIDNEXT _] message corresponding to `known_state`
fn uidnext_status(&self) -> Result<Body> {
fn uidnext_status(&self) -> Result<Body<'static>> {
let next_uid = Status::ok(
None,
Some(Code::UidNext(self.uidnext())),
@ -748,7 +775,7 @@ impl MailboxView {
/// Produce an EXISTS message corresponding to the number of mails
/// in `known_state`
fn exists_status(&self) -> Result<Body> {
fn exists_status(&self) -> Result<Body<'static>> {
Ok(Body::Data(Data::Exists(self.exists()?)))
}
@ -758,7 +785,7 @@ impl MailboxView {
/// Produce a RECENT message corresponding to the number of
/// recent mails in `known_state`
fn recent_status(&self) -> Result<Body> {
fn recent_status(&self) -> Result<Body<'static>> {
Ok(Body::Data(Data::Recent(self.recent()?)))
}
@ -774,27 +801,48 @@ impl MailboxView {
/// Produce a FLAGS and a PERMANENTFLAGS message that indicates
/// the flags that are in `known_state` + default flags
fn flags_status(&self) -> Result<Vec<Body>> {
let mut flags: Vec<Flag> = self
fn flags_status(&self) -> Result<Vec<Body<'static>>> {
let mut body = vec![];
// 1. Collecting all the possible flags in the mailbox
// 1.a Fetch them from our index
let mut known_flags: Vec<Flag> = self
.known_state
.idx_by_flag
.flags()
.filter_map(|f| string_to_flag(f))
.filter_map(|f| match string_to_flag(f) {
Some(FlagFetch::Flag(fl)) => Some(fl),
_ => None,
})
.collect();
// 1.b Merge it with our default flags list
for f in DEFAULT_FLAGS.iter() {
if !flags.contains(f) {
flags.push(f.clone());
if !known_flags.contains(f) {
known_flags.push(f.clone());
}
}
let mut ret = vec![Body::Data(Data::Flags(flags.clone()))];
// 1.c Create the IMAP message
body.push(Body::Data(Data::Flags(known_flags.clone())));
flags.push(Flag::Permanent);
let permanent_flags =
Status::ok(None, Some(Code::PermanentFlags(flags)), "Flags permitted")
.map_err(Error::msg)?;
ret.push(Body::Status(permanent_flags));
// 2. Returning flags that are persisted
// 2.a Always advertise our default flags
let mut permanent = DEFAULT_FLAGS
.iter()
.map(|f| FlagPerm::Flag(f.clone()))
.collect::<Vec<_>>();
// 2.b Say that we support any keyword flag
permanent.push(FlagPerm::Asterisk);
// 2.c Create the IMAP message
let permanent_flags = Status::ok(
None,
Some(Code::PermanentFlags(permanent)),
"Flags permitted",
)
.map_err(Error::msg)?;
body.push(Body::Status(permanent_flags));
Ok(ret)
// Done!
Ok(body)
}
pub(crate) fn unseen_count(&self) -> usize {
@ -809,21 +857,21 @@ impl MailboxView {
}
}
fn string_to_flag(f: &str) -> Option<Flag> {
fn string_to_flag(f: &str) -> Option<FlagFetch<'static>> {
match f.chars().next() {
Some('\\') => match f {
"\\Seen" => Some(Flag::Seen),
"\\Answered" => Some(Flag::Answered),
"\\Flagged" => Some(Flag::Flagged),
"\\Deleted" => Some(Flag::Deleted),
"\\Draft" => Some(Flag::Draft),
"\\Recent" => Some(Flag::Recent),
"\\Seen" => Some(FlagFetch::Flag(Flag::Seen)),
"\\Answered" => Some(FlagFetch::Flag(Flag::Answered)),
"\\Flagged" => Some(FlagFetch::Flag(Flag::Flagged)),
"\\Deleted" => Some(FlagFetch::Flag(Flag::Deleted)),
"\\Draft" => Some(FlagFetch::Flag(Flag::Draft)),
"\\Recent" => Some(FlagFetch::Recent),
_ => match Atom::try_from(f.strip_prefix('\\').unwrap().to_string()) {
Err(_) => {
tracing::error!(flag=%f, "Unable to encode flag as IMAP atom");
None
}
Ok(a) => Some(Flag::Extension(a)),
Ok(a) => Some(FlagFetch::Flag(Flag::system(a))),
},
},
Some(_) => match Atom::try_from(f.to_string()) {
@ -831,7 +879,7 @@ fn string_to_flag(f: &str) -> Option<Flag> {
tracing::error!(flag=%f, "Unable to encode flag as IMAP atom");
None
}
Ok(a) => Some(Flag::Keyword(a)),
Ok(a) => Some(FlagFetch::Flag(Flag::keyword(a))),
},
None => None,
}
@ -858,7 +906,7 @@ fn string_to_flag(f: &str) -> Option<Flag> {
//@FIXME return an error if the envelope is invalid instead of panicking
//@FIXME some fields must be defaulted if there are not set.
fn message_envelope(msg: &imf::Imf) -> Envelope {
fn message_envelope(msg: &imf::Imf) -> Envelope<'static> {
let from = msg.from.iter().map(convert_mbx).collect::<Vec<_>>();
Envelope {
@ -900,7 +948,7 @@ fn message_envelope(msg: &imf::Imf) -> Envelope {
}
}
fn convert_addresses(addrlist: &Vec<imf::address::AddressRef>) -> Vec<Address> {
fn convert_addresses(addrlist: &Vec<imf::address::AddressRef>) -> Vec<Address<'static>> {
let mut acc = vec![];
for item in addrlist {
match item {
@ -911,23 +959,23 @@ fn convert_addresses(addrlist: &Vec<imf::address::AddressRef>) -> Vec<Address> {
return acc;
}
fn convert_mbx(addr: &imf::mailbox::MailboxRef) -> Address {
Address::new(
NString(
fn convert_mbx(addr: &imf::mailbox::MailboxRef) -> Address<'static> {
Address {
name: NString(
addr.name
.as_ref()
.map(|x| IString::try_from(x.to_string()).unwrap()),
),
// SMTP at-domain-list (source route) seems obsolete since at least 1991
// https://www.mhonarc.org/archive/html/ietf-822/1991-06/msg00060.html
NString(None),
NString(Some(
adl: NString(None),
mailbox: NString(Some(
IString::try_from(addr.addrspec.local_part.to_string()).unwrap(),
)),
NString(Some(
host: NString(Some(
IString::try_from(addr.addrspec.domain.to_string()).unwrap(),
)),
)
}
}
/*
@ -945,19 +993,23 @@ b fetch 29878:29879 (BODY)
b OK Fetch completed (0.001 + 0.000 secs).
*/
fn build_imap_email_struct<'a>(part: &AnyPart<'a>) -> Result<BodyStructure> {
fn build_imap_email_struct<'a>(part: &AnyPart<'a>) -> Result<BodyStructure<'static>> {
match part {
AnyPart::Mult(x) => {
let itype = &x.mime.interpreted_type;
let subtype = IString::try_from(itype.subtype.to_string())
.unwrap_or(unchecked_istring("alternative"));
let inner_bodies = x
.children
.iter()
.filter_map(|inner| build_imap_email_struct(&inner).ok())
.collect::<Vec<_>>();
NonEmptyVec::validate(&inner_bodies)?;
let bodies = NonEmptyVec::unvalidated(inner_bodies);
Ok(BodyStructure::Multi {
bodies: x
.children
.iter()
.filter_map(|inner| build_imap_email_struct(&inner).ok())
.collect(),
bodies,
subtype,
extension_data: None,
/*Some(MultipartExtensionData {
@ -996,7 +1048,7 @@ fn build_imap_email_struct<'a>(part: &AnyPart<'a>) -> Result<BodyStructure> {
number_of_lines: nol(x.body),
},
},
extension: None,
extension_data: None,
})
}
AnyPart::Bin(x) => {
@ -1009,9 +1061,10 @@ fn build_imap_email_struct<'a>(part: &AnyPart<'a>) -> Result<BodyStructure> {
};
let ct = x.mime.fields.ctype.as_ref().unwrap_or(&default);
let type_ = IString::try_from(String::from_utf8_lossy(ct.main).to_string()).or(Err(
anyhow!("Unable to build IString from given Content-Type type given"),
))?;
let r#type =
IString::try_from(String::from_utf8_lossy(ct.main).to_string()).or(Err(
anyhow!("Unable to build IString from given Content-Type type given"),
))?;
let subtype =
IString::try_from(String::from_utf8_lossy(ct.sub).to_string()).or(Err(anyhow!(
@ -1021,9 +1074,9 @@ fn build_imap_email_struct<'a>(part: &AnyPart<'a>) -> Result<BodyStructure> {
Ok(BodyStructure::Single {
body: FetchBody {
basic,
specific: SpecificFields::Basic { type_, subtype },
specific: SpecificFields::Basic { r#type, subtype },
},
extension: None,
extension_data: None,
})
}
AnyPart::Msg(x) => {
@ -1033,12 +1086,12 @@ fn build_imap_email_struct<'a>(part: &AnyPart<'a>) -> Result<BodyStructure> {
body: FetchBody {
basic,
specific: SpecificFields::Message {
envelope: message_envelope(&x.imf),
envelope: Box::new(message_envelope(&x.imf)),
body_structure: Box::new(build_imap_email_struct(x.child.as_ref())?),
number_of_lines: nol(x.raw_part),
},
},
extension: None,
extension_data: None,
})
}
}
@ -1059,7 +1112,7 @@ fn unchecked_istring(s: &'static str) -> IString {
IString::try_from(s).expect("this value is expected to be a valid imap-codec::IString")
}
fn basic_fields(m: &mime::NaiveMIME, sz: usize) -> Result<BasicFields> {
fn basic_fields(m: &mime::NaiveMIME, sz: usize) -> Result<BasicFields<'static>> {
let parameter_list = m
.ctype
.as_ref()
@ -1136,20 +1189,18 @@ fn get_message_section<'a>(
.ok_or(anyhow!("Part must be a message"))?;
match section {
Some(FetchSection::Text(None)) => Ok(msg.raw_body.into()),
Some(FetchSection::Text(Some(part))) => {
map_subpart(parsed, part.0.as_slice(), |part_msg| {
Ok(part_msg
.as_message()
.ok_or(Error::msg(
"Not a message/rfc822 part while expected by request (TEXT)",
))?
.raw_body
.into())
})
}
Some(FetchSection::Text(Some(part))) => map_subpart(parsed, part.0.as_ref(), |part_msg| {
Ok(part_msg
.as_message()
.ok_or(Error::msg(
"Not a message/rfc822 part while expected by request (TEXT)",
))?
.raw_body
.into())
}),
Some(FetchSection::Header(part)) => map_subpart(
parsed,
part.as_ref().map(|p| p.0.as_slice()).unwrap_or(&[]),
part.as_ref().map(|p| p.0.as_ref()).unwrap_or(&[]),
|part_msg| {
Ok(part_msg
.as_message()
@ -1165,17 +1216,18 @@ fn get_message_section<'a>(
) => {
let invert = matches!(section, Some(FetchSection::HeaderFieldsNot(_, _)));
let fields = fields
.as_ref()
.iter()
.map(|x| match x {
AString::Atom(a) => a.as_bytes(),
AString::String(IString::Literal(l)) => l.as_slice(),
AString::String(IString::Quoted(q)) => q.as_bytes(),
AString::Atom(a) => a.inner().as_bytes(),
AString::String(IString::Literal(l)) => l.as_ref(),
AString::String(IString::Quoted(q)) => q.inner().as_bytes(),
})
.collect::<Vec<_>>();
map_subpart(
parsed,
part.as_ref().map(|p| p.0.as_slice()).unwrap_or(&[]),
part.as_ref().map(|p| p.0.as_ref()).unwrap_or(&[]),
|part_msg| {
let mut ret = vec![];
for f in &part_msg.mime().kv {
@ -1195,7 +1247,7 @@ fn get_message_section<'a>(
},
)
}
Some(FetchSection::Part(part)) => map_subpart(parsed, part.0.as_slice(), |part| {
Some(FetchSection::Part(part)) => map_subpart(parsed, part.0.as_ref(), |part| {
let bytes = match &part {
AnyPart::Txt(p) => p.body,
AnyPart::Bin(p) => p.body,
@ -1204,7 +1256,7 @@ fn get_message_section<'a>(
};
Ok(bytes.to_vec().into())
}),
Some(FetchSection::Mime(part)) => map_subpart(parsed, part.0.as_slice(), |part| {
Some(FetchSection::Mime(part)) => map_subpart(parsed, part.0.as_ref(), |part| {
let bytes = match &part {
AnyPart::Txt(p) => p.mime.fields.raw,
AnyPart::Bin(p) => p.mime.fields.raw,
@ -1246,13 +1298,13 @@ mod tests {
use crate::cryptoblob;
use crate::mail::unique_ident;
use imap_codec::codec::Encode;
use imap_codec::imap_types::fetch_attributes::Section;
use imap_codec::imap_types::fetch::Section;
use std::fs;
#[test]
fn mailview_body_ext() -> Result<()> {
let ap = AttributesProxy::new(
&MacroOrFetchAttributes::FetchAttributes(vec![FetchAttribute::BodyExt {
&MacroOrMessageDataItemNames::FetchAttributes(vec![MessageDataItemName::BodyExt {
section: Some(Section::Header(None)),
partial: None,
peek: false,
@ -1281,14 +1333,13 @@ mod tests {
content,
meta: &meta,
flags: &flags,
add_seen: false,
};
let res_body = mv.filter(&ap)?;
let fattr = match res_body {
Body::Data(Data::Fetch {
seq_or_uid: _seq,
attributes: attr,
seq: _seq,
items: attr,
}) => Ok(attr),
_ => Err(anyhow!("Not a fetch body")),
}?;
@ -1296,7 +1347,7 @@ mod tests {
assert_eq!(fattr.len(), 1);
let (sec, _orig, _data) = match &fattr[0] {
MessageAttribute::BodyExt {
MessageDataItemName::BodyExt {
section,
origin,
data,
@ -1349,7 +1400,7 @@ mod tests {
let message = eml_codec::parse_message(&txt).unwrap().1;
let mut resp = Vec::new();
MessageAttribute::Body(build_imap_email_struct(&message.child)?)
MessageDataItemName::Body(build_imap_email_struct(&message.child)?)
.encode(&mut resp)
.unwrap();

121
src/imap/response.rs
View file

@ -1,34 +1,26 @@
use anyhow::Result;
use imap_codec::imap_types::command::Command;
use imap_codec::imap_types::core::Tag;
use imap_codec::imap_types::response::{Code, Data, Status, StatusKind};
use imap_codec::imap_types::response::{Code, Data, Status};
pub struct ResponseBuilder {
status: StatusKind,
tag: Option<Tag<'static>>,
code: Option<Code<'static>>,
pub enum Body<'a> {
Data(Data<'a>),
Status(Status<'a>),
}
pub struct ResponseBuilder<'a> {
tag: Option<Tag<'a>>,
code: Option<Code<'a>>,
text: String,
data: Vec<Data<'static>>,
body: Vec<Body<'a>>,
}
impl<'a> Default for ResponseBuilder {
fn default() -> ResponseBuilder {
ResponseBuilder {
status: StatusKind::Bad,
tag: None,
code: None,
text: "".to_string(),
data: vec![],
}
}
}
impl ResponseBuilder {
pub fn to_req(mut self, cmd: &Command) -> Self {
self.tag = Some(cmd.tag);
impl<'a> ResponseBuilder<'a> {
pub fn to_req(mut self, cmd: &Command<'a>) -> Self {
self.tag = Some(cmd.tag.clone());
self
}
pub fn tag(mut self, tag: Tag) -> Self {
pub fn tag(mut self, tag: Tag<'a>) -> Self {
self.tag = Some(tag);
self
}
@ -38,60 +30,81 @@ impl ResponseBuilder {
self
}
pub fn code(mut self, code: Code) -> Self {
pub fn code(mut self, code: Code<'a>) -> Self {
self.code = Some(code);
self
}
pub fn data(mut self, data: Data) -> Self {
self.data.push(data);
pub fn data(mut self, data: Data<'a>) -> Self {
self.body.push(Body::Data(data));
self
}
pub fn set_data(mut self, data: Vec<Data>) -> Self {
self.data = data;
pub fn many_data(mut self, data: Vec<Data<'a>>) -> Self {
for d in data.into_iter() {
self = self.data(d);
}
self
}
pub fn build(self) -> Result<Response> {
pub fn info(mut self, status: Status<'a>) -> Self {
self.body.push(Body::Status(status));
self
}
pub fn many_info(mut self, status: Vec<Status<'a>>) -> Self {
for d in status.into_iter() {
self = self.info(d);
}
self
}
pub fn set_body(mut self, body: Vec<Body<'a>>) -> Self {
self.body = body;
self
}
pub fn ok(self) -> Result<Response<'a>> {
Ok(Response {
status: Status::new(self.tag, self.status, self.code, self.text)?,
data: self.data,
completion: Status::ok(self.tag, self.code, self.text)?,
body: self.body,
})
}
pub fn no(self) -> Result<Response<'a>> {
Ok(Response {
completion: Status::no(self.tag, self.code, self.text)?,
body: self.body,
})
}
pub fn bad(self) -> Result<Response<'a>> {
Ok(Response {
completion: Status::bad(self.tag, self.code, self.text)?,
body: self.body,
})
}
}
pub struct Response {
data: Vec<Data<'static>>,
status: Status<'static>,
pub struct Response<'a> {
body: Vec<Body<'a>>,
completion: Status<'a>,
}
impl Response {
pub fn ok() -> ResponseBuilder {
impl<'a> Response<'a> {
pub fn build() -> ResponseBuilder<'a> {
ResponseBuilder {
status: StatusKind::Ok,
..ResponseBuilder::default()
tag: None,
code: None,
text: "".to_string(),
body: vec![],
}
}
pub fn no() -> ResponseBuilder {
ResponseBuilder {
status: StatusKind::No,
..ResponseBuilder::default()
}
}
pub fn bad() -> ResponseBuilder {
ResponseBuilder {
status: StatusKind::Bad,
..ResponseBuilder::default()
}
}
pub fn bye() -> Result<Response> {
pub fn bye() -> Result<Response<'a>> {
Ok(Response {
status: Status::bye(None, "bye")?,
data: vec![],
completion: Status::bye(None, "bye")?,
body: vec![],
})
}
}