imapserver: implement NOTIFY extension from RFC 5465

NOTIFY is like IDLE, but where IDLE watches just the selected mailbox, NOTIFY
can watch all mailboxes. With NOTIFY, a client can also ask a server to
immediately return configurable fetch attributes for new messages, e.g. a
message preview, certain header fields, or simply the entire message.

Mild testing with evolution and fairemail.
This commit is contained in:
Mechiel Lukkien
2025-04-07 23:21:03 +02:00
parent 5a7d5fce98
commit 8bab38eac4
30 changed files with 1926 additions and 161 deletions

View File

@ -90,6 +90,9 @@ func (x XOps) MessageDeleteTx(ctx context.Context, log mlog.Log, tx *bstore.Tx,
err := tx.Update(&mb)
x.Checkf(ctx, err, "updating mailbox counts")
slices.Sort(changeRemoveUIDs.UIDs)
changeRemoveUIDs.UIDNext = mb.UIDNext
changeRemoveUIDs.MessageCountIMAP = mb.MessageCountIMAP()
changeRemoveUIDs.Unseen = uint32(mb.MailboxCounts.Unseen)
changes = append(changes, mb.ChangeCounts(), changeRemoveUIDs)
}
@ -188,7 +191,7 @@ func (x XOps) MessageFlagsAdd(ctx context.Context, log mlog.Log, acc *store.Acco
err = tx.Update(&m)
x.Checkf(ctx, err, "updating message")
changes = append(changes, m.ChangeFlags(oflags))
changes = append(changes, m.ChangeFlags(oflags, mb))
retrain = append(retrain, m)
}
@ -261,7 +264,7 @@ func (x XOps) MessageFlagsClear(ctx context.Context, log mlog.Log, acc *store.Ac
err = tx.Update(&m)
x.Checkf(ctx, err, "updating message")
changes = append(changes, m.ChangeFlags(oflags))
changes = append(changes, m.ChangeFlags(oflags, mb))
retrain = append(retrain, m)
}
@ -322,7 +325,7 @@ func (x XOps) MailboxesMarkRead(ctx context.Context, log mlog.Log, acc *store.Ac
err := tx.Update(&m)
x.Checkf(ctx, err, "updating message")
changes = append(changes, m.ChangeFlags(oflags))
changes = append(changes, m.ChangeFlags(oflags, mb))
return nil
})
x.Checkf(ctx, err, "listing messages to mark as read")
@ -443,6 +446,9 @@ func (x XOps) MessageMoveTx(ctx context.Context, log mlog.Log, acc *store.Accoun
var mbSrc store.Mailbox
var changeRemoveUIDs store.ChangeRemoveUIDs
xflushMailbox := func() {
changeRemoveUIDs.UIDNext = mbSrc.UIDNext
changeRemoveUIDs.MessageCountIMAP = mbSrc.MessageCountIMAP()
changeRemoveUIDs.Unseen = uint32(mbSrc.MailboxCounts.Unseen)
changes = append(changes, changeRemoveUIDs, mbSrc.ChangeCounts())
err = tx.Update(&mbSrc)
@ -527,7 +533,7 @@ func (x XOps) MessageMoveTx(ctx context.Context, log mlog.Log, acc *store.Accoun
changeRemoveUIDs.UIDs = append(changeRemoveUIDs.UIDs, om.UID)
changeRemoveUIDs.MsgIDs = append(changeRemoveUIDs.MsgIDs, om.ID)
changes = append(changes, nm.ChangeAddUID())
changes = append(changes, nm.ChangeAddUID(mbDst))
}
for dir := range syncDirs {