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finally code that build

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Quentin 2023-10-10 17:59:34 +02:00
parent f24c06312b
commit b444ef7ef3
Signed by: quentin
GPG key ID: E9602264D639FF68
1 changed files with 109 additions and 121 deletions
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206
src/imap/mailbox_view.rs
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@ -7,7 +7,6 @@ use anyhow::{anyhow, bail, Error, Result};
use boitalettres::proto::res::body::Data as Body;
use chrono::{Offset, TimeZone, Utc};
use futures::future::join_all;
use futures::stream::{FuturesOrdered, StreamExt};
use imap_codec::types::address::Address;
@ -75,7 +74,7 @@ impl AttributesProxy {
};
// Handle uids
if *is_uid_fetch && !fetch_attrs.contains(&FetchAttribute::Uid) {
if is_uid_fetch && !fetch_attrs.contains(&FetchAttribute::Uid) {
fetch_attrs.push(FetchAttribute::Uid);
}
@ -101,11 +100,18 @@ pub struct MailIdentifiers {
uid: ImapUid,
uuid: UniqueIdent,
}
struct MailIdentifiersList(Vec<MailIdentifiers>);
impl MailIdentifiersList {
fn uuids(&self) -> Vec<UniqueIdent> {
self.0.iter().map(|mi| mi.uuid).collect()
}
}
pub struct MailView<'a> {
ids: &'a MailIdentifiers,
meta: &'a MailMeta,
flags: &'a Vec<Flag>,
flags: &'a Vec<String>,
content: FetchedMail<'a>,
add_seen: bool
}
@ -141,7 +147,7 @@ impl<'a> MailView<'a> {
}
fn envelope(&self) -> MessageAttribute {
message_envelope(self.content.imf())
MessageAttribute::Envelope(message_envelope(self.content.imf()))
}
fn body(&self) -> Result<MessageAttribute> {
@ -160,10 +166,10 @@ 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>, partial: Option<(u32, NonZeroU32)>, peek: bool) -> Result<Option<MessageAttribute>> {
fn body_ext(&mut self, section: &Option<FetchSection>, partial: &Option<(u32, NonZeroU32)>, peek: &bool) -> Result<MessageAttribute> {
// Extract message section
match get_message_section(self.content.as_full()?, section) {
Ok(text) => {
let text = get_message_section(self.content.as_full()?, section)?;
let seen_flag = Flag::Seen.to_string();
if !peek && !self.flags.iter().any(|x| *x == seen_flag) {
// Add \Seen flag
@ -172,26 +178,16 @@ impl<'a> MailView<'a> {
}
// Handle <<partial>> which cut the message bytes
let (text, origin) = apply_partial(partial, text);
let (text, origin) = apply_partial(partial, &text);
let data = NString(text.to_vec().try_into().ok().map(IString::Literal));
return Ok(Some(MessageAttribute::BodyExt {
return Ok(MessageAttribute::BodyExt {
section: section.clone(),
origin,
data,
}))
}
Err(e) => {
tracing::error!(
"Could not get section {:?} of message {}: {}",
section,
self.mi.uuid,
e
);
return Ok(None)
}
}
})
}
fn internal_date(&self) -> Result<MessageAttribute> {
@ -199,45 +195,44 @@ impl<'a> MailView<'a> {
Ok(MessageAttribute::InternalDate(MyDateTime(dt)))
}
fn filter(&mut self, ap: &AttributesProxy) -> Result<Option<Body>> {
let res_attrs = ap.attrs.iter().filter_map(|attr| match attr {
FetchAttribute::Uid => Some(self.uid()),
FetchAttribute::Flags => Some(self.flags()),
FetchAttribute::Rfc822Size => Some(self.rfc_822_size()),
FetchAttribute::Rfc822Header => Some(self.rfc_822_header()),
FetchAttribute::Rfc822Text => Some(self.rfc_822_text()?),
FetchAttribute::Rfc822 => Some(self.rfc822()?),
FetchAttribute::Envelope => Some(self.envelope()),
FetchAttribute::Body => Some(self.body()?),
FetchAttribute::BodyStructure => Some(self.body_structure()?),
FetchAttribute::BodyExt { section, partial, peek } => self.body_ext(section, partial, peek)?,
FetchAttribute::InternalDate => Some(self.internal_date()?)
}).collect::<Vec<_>>();
fn filter(&mut self, ap: &AttributesProxy) -> Result<Body> {
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 { section, partial, peek } => self.body_ext(section, partial, peek),
FetchAttribute::InternalDate => self.internal_date(),
}).collect::<Result<Vec<_>, _>>()?;
Body::Data(Data::Fetch {
Ok(Body::Data(Data::Fetch {
seq_or_uid: self.ids.i,
res_attrs,
})
attributes: res_attrs,
}))
}
}
fn apply_partial(partial: Option<(u32, NonZeroU32)>, text: &[u8]) -> (&[u8], Option<u32>) {
fn apply_partial<'a>(partial: &'_ Option<(u32, NonZeroU32)>, text: &'a [u8]) -> (&'a [u8], Option<u32>) {
match partial {
Some((begin, len)) => {
if *begin as usize > text.len() {
(&[][..], Some(*begin))
} else if (*begin + len.get()) as usize >= text.len() {
} else if (begin + len.get()) as usize >= text.len() {
(&text[*begin as usize..], Some(*begin))
} else {
(
&text[*begin as usize..(*begin + len.get()) as usize],
&text[*begin as usize..(begin + len.get()) as usize],
Some(*begin),
)
}
}
None => (&text[..], None),
};
}
}
pub struct BodyIdentifier<'a> {
@ -252,8 +247,8 @@ pub struct MailSelectionBuilder<'a> {
need_body: bool,
mi: &'a [MailIdentifiers],
meta: &'a [MailMeta],
flags: &'a [Vec<Flag>],
bodies: Vec<FetchedMail<'a>>,
flags: &'a [&'a Vec<String>],
bodies: &'a [Vec<u8>],
}
impl<'a> MailSelectionBuilder<'a> {
@ -261,65 +256,59 @@ impl<'a> MailSelectionBuilder<'a> {
Self {
mail_count,
need_body,
bodies: vec![0; mail_count],
..MailSelectionBuilder::default()
}
}
fn with_mail_identifiers(mut self, mi: &[MailIdentifiers]) -> Self {
fn with_mail_identifiers(&mut self, mi: &'a [MailIdentifiers]) -> &mut Self {
self.mi = mi;
self
}
fn uuids(&self) -> Vec<&UniqueIdent> {
self.mi.iter().map(|i| i.uuid ).collect::<Vec<_>>()
}
fn with_metadata(mut self, meta: &[MailMeta]) -> Self {
fn with_metadata(&mut self, meta: &'a [MailMeta]) -> &mut Self {
self.meta = meta;
self
}
fn with_flags(mut self, flags: &[Vec<Flag>]) -> Self {
fn with_flags(&mut self, flags: &'a [&'a Vec<String>]) -> &mut Self {
self.flags = flags;
self
}
fn bodies_to_collect(&self) -> Vec<BodyIdentifier> {
if !self.attrs.need_body() {
if !self.need_body {
return vec![]
}
zip(self.mi, self.meta).as_ref().iter().enumerate().map(|(i , (mi, k))| BodyIdentifier { i, mi, k }).collect::<Vec<_>>()
}
fn with_bodies(mut self, rbodies: &[&'a [u8]]) -> Self {
for rb in rbodies.iter() {
let (_, p) = eml_codec::parse_message(&rb).or(Err(anyhow!("Invalid mail body")))?;
self.bodies.push(FetchedMail::Full(p));
zip(self.mi, self.meta).map(|(mi, meta)| BodyIdentifier { msg_uuid: &mi.uuid, msg_key: &meta.message_key }).collect::<Vec<_>>()
}
fn with_bodies(&mut self, rbodies: &'a [Vec<u8>]) -> &mut Self {
self.bodies = rbodies;
self
}
fn build(self) -> Result<Vec<MailView<'a>>> {
if !self.need_body && self.bodies.len() == 0 {
fn build(&self) -> Result<Vec<MailView<'a>>> {
let mut bodies = vec![];
if !self.need_body {
for m in self.meta.iter() {
let (_, hdrs) = eml_codec::parse_imf(&self.meta.headers).or(Err(anyhow!("Invalid mail headers")))?;
self.bodies.push(FetchedMail::Partial(hdrs));
let (_, hdrs) = eml_codec::parse_imf(&m.headers).or(Err(anyhow!("Invalid mail headers")))?;
bodies.push(FetchedMail::Partial(hdrs));
}
} else {
for rb in self.bodies.iter() {
let (_, p) = eml_codec::parse_message(&rb).or(Err(anyhow!("Invalid mail body")))?;
bodies.push(FetchedMail::Full(p));
}
}
if self.mi.len() != self.mail_count && self.meta.len() != self.mail_count || self.flags.len() != self.mail_count || self.bodies.len() != self.mail_count {
if self.mi.len() != self.mail_count && self.meta.len() != self.mail_count || self.flags.len() != self.mail_count || bodies.len() != self.mail_count {
return Err(anyhow!("Can't build a mail view selection as parts were not correctly registered into the builder."))
}
let views = Vec::with_capacity(self.mail_count);
for (ids, meta, flags, content) in zip(self.mi, self.meta, self.flags, self.bodies) {
let mv = MailView { ids, meta, flags, content };
views.push(mv);
}
return Ok(views)
Ok(zip(self.mi, zip(self.meta, zip(self.flags, bodies)))
.map(|(ids, (meta, (flags, content)))| MailView { ids, meta, flags, content, add_seen: false })
.collect())
}
}
@ -445,16 +434,16 @@ impl MailboxView {
let flags = flags.iter().map(|x| x.to_string()).collect::<Vec<_>>();
let mails = self.get_mail_ids(sequence_set, *is_uid_store)?;
for (_i, _uid, uuid) in mails.iter() {
for mi in mails.iter() {
match kind {
StoreType::Add => {
self.mailbox.add_flags(*uuid, &flags[..]).await?;
self.mailbox.add_flags(mi.uuid, &flags[..]).await?;
}
StoreType::Remove => {
self.mailbox.del_flags(*uuid, &flags[..]).await?;
self.mailbox.del_flags(mi.uuid, &flags[..]).await?;
}
StoreType::Replace => {
self.mailbox.set_flags(*uuid, &flags[..]).await?;
self.mailbox.set_flags(mi.uuid, &flags[..]).await?;
}
}
}
@ -490,19 +479,19 @@ impl MailboxView {
let mails = self.get_mail_ids(sequence_set, *is_uid_copy)?;
let mut new_uuids = vec![];
for (_i, _uid, uuid) in mails.iter() {
new_uuids.push(to.copy_from(&self.mailbox, *uuid).await?);
for mi in mails.iter() {
new_uuids.push(to.copy_from(&self.mailbox, mi.uuid).await?);
}
let mut ret = vec![];
let to_state = to.current_uid_index().await;
for ((_i, uid, _uuid), new_uuid) in mails.iter().zip(new_uuids.iter()) {
for (mi, new_uuid) in mails.iter().zip(new_uuids.iter()) {
let dest_uid = to_state
.table
.get(new_uuid)
.ok_or(anyhow!("copied mail not in destination mailbox"))?
.0;
ret.push((*uid, dest_uid));
ret.push((mi.uid, dest_uid));
}
Ok((to_state.uidvalidity, ret))
@ -518,46 +507,45 @@ impl MailboxView {
) -> Result<Vec<Body>> {
let ap = AttributesProxy::new(attributes, *is_uid_fetch);
let mail_count = sequence_set.iter().count();
// Fetch various metadata about the email selection
let selection = MailSelectionBuilder::new(ap.need_body(), mail_count);
selection.with_mail_identifiers(self.get_mail_ids(sequence_set, *is_uid_fetch)?);
selection.with_metadata(self.mailbox.fetch_meta(&selection.uuids()).await?);
selection.with_flags(self.known_state.table.get(&selection.uuids()).map(|(_, flags)| flags).collect::<Vec<_>>());
// Prepare data
let mids = MailIdentifiersList(self.get_mail_ids(sequence_set, *is_uid_fetch)?);
let mail_count = mids.0.len();
let uuids = mids.uuids();
let meta = self.mailbox.fetch_meta(&uuids).await?;
let flags = uuids.iter().map(|uuid| self.known_state.table.get(uuid).map(|(_uuid, f)| f).ok_or(anyhow!("missing email from the flag table"))).collect::<Result<Vec<_>, _>>()?;
// Start filling data to build the view
let mut selection = MailSelectionBuilder::new(ap.need_body(), mail_count);
selection
.with_mail_identifiers(&mids.0)
.with_metadata(&meta)
.with_flags(&flags);
// Asynchronously fetch full bodies (if needed)
let future_bodies = selection.bodies_to_collect().iter().map(|bi| async move {
let body = self.mailbox.fetch_full(bi.msg_uuid, bi.msg_key).await?;
Ok::<_, anyhow::Error>(bi, body)
let btc = selection.bodies_to_collect();
let future_bodies = btc.iter().map(|bi| async move {
let body = self.mailbox.fetch_full(*bi.msg_uuid, bi.msg_key).await?;
Ok::<_, anyhow::Error>(body)
}).collect::<FuturesOrdered<_>>();
let bodies = join_all(future_bodies).await.into_iter().collect::<Result<Vec<_>, _>>()?;
selection.with_bodies(bodies);
let bodies = future_bodies.collect::<Vec<_>>().await.into_iter().collect::<Result<Vec<_>, _>>()?;
/* while let Some(m) = future_bodies.next().await {
let (bi, body) = m?;
selection.with_body(bi.pos, body);
}*/
// Add bodies
selection.with_bodies(bodies.as_slice());
// Build mail selection views
let views = selection.build()?;
let mut views = selection.build()?;
// Filter views to build the result
let mut ret = Vec::with_capacity(mail_count);
for mail_view in views.iter() {
let maybe_body = mail_view.filter(&ap)?;
if let Some(body) = maybe_body {
ret.push(body)
}
}
let ret = views.iter_mut().filter_map(|mv| mv.filter(&ap).ok()).collect::<Vec<_>>();
// Register seen flags
let future_flags = views.iter().filter(|mv| mv.add_seen).map(|mv| async move {
let seen_flag = Flag::Seen.to_string();
self.mailbox.add_flags(mv.mi.uuid, &[seen_flag]).await?;
self.mailbox.add_flags(mv.ids.uuid, &[seen_flag]).await?;
Ok::<_, anyhow::Error>(())
}).collect::<FuturesOrdered<_>>();
join_all(future_flags).await.iter().find(Result::is_err).unwrap_or(Ok(()))?;
future_flags.collect::<Vec<_>>().await.into_iter().collect::<Result<_, _>>()?;
Ok(ret)
}
@ -595,7 +583,7 @@ impl MailboxView {
}
if let Some(mail) = mail_vec.get(i) {
if mail.0 == uid {
mails.push(MailIdentifiers { id: NonZeroU32::try_from(i as u32 + 1).unwrap(), uid: mail.0, uuid: mail.1 });
mails.push(MailIdentifiers { i: NonZeroU32::try_from(i as u32 + 1).unwrap(), uid: mail.0, uuid: mail.1 });
}
} else {
break;
@ -612,7 +600,7 @@ impl MailboxView {
for i in sequence_set.iter(iter_strat) {
if let Some(mail) = mail_vec.get(i.get() as usize - 1) {
mails.push(MailIdentifiers { id: i, uid: mail.0, uuid: mail.1 });
mails.push(MailIdentifiers { i, uid: mail.0, uuid: mail.1 });
} else {
bail!("No such mail: {}", i);
}
@ -784,7 +772,7 @@ fn message_envelope(msg: &imf::Imf) -> Envelope {
} else {
convert_addresses(&msg.reply_to)
},
from: from,
from,
to: convert_addresses(&msg.to),
cc: convert_addresses(&msg.cc),
bcc: convert_addresses(&msg.bcc),