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Improve expunged message/UID tracking in IMAP sessions, track synchronization history for mailboxes/annotations.

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Keeping the message files around, and the message details in the database, is
useful for IMAP sessions that haven't seen/processed the removal of a message
yet and try to fetch it. Before, we would return errors. Similarly, a session
that has a mailbox selected that is removed can (at least in theory) still read
messages.

The mechanics to do this need keeping removed mailboxes around too. JMAP needs
that anyway, so we now keep modseq/createseq/expunged history for mailboxes
too. And while we're at it, for annotations as well.

For future JMAP support, we now also keep the mailbox parent id around for a
mailbox, with an upgrade step to set the field for existing mailboxes and
fixing up potential missing parents (which could possibly have happened in an
obscure corner case that I doubt anyone ran into).
This commit is contained in:
Mechiel Lukkien
2025-03-05 17:17:57 +01:00
parent 684c716e4d
commit 577944310c
63 changed files with 1945 additions and 1249 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
imapserver/server_test.go
View File

@ -18,6 +18,8 @@ import (
"golang.org/x/sys/unix"
"github.com/mjl-/bstore"
"github.com/mjl-/mox/imapclient"
"github.com/mjl-/mox/mlog"
"github.com/mjl-/mox/mox-"
@ -309,6 +311,14 @@ func (tc *testconn) waitDone() {
}
func (tc *testconn) close() {
tc.close0(true)
}
func (tc *testconn) closeNoWait() {
tc.close0(false)
}
func (tc *testconn) close0(waitclose bool) {
defer func() {
if unhandledPanics.Swap(0) > 0 {
tc.t.Fatalf("handled panic in server")
@ -319,13 +329,16 @@ func (tc *testconn) close() {
// Already closed, we are not strict about closing multiple times.
return
}
err := tc.account.Close()
tc.check(err, "close account")
// no account.CheckClosed(), the tests open accounts multiple times.
tc.account = nil
if tc.client != nil {
tc.client.Close()
}
err := tc.account.Close()
tc.check(err, "close account")
if waitclose {
tc.account.WaitClosed()
}
// no account.CheckClosed(), the tests open accounts multiple times.
tc.account = nil
tc.serverConn.Close()
tc.waitDone()
if tc.switchStop != nil {
@ -406,6 +419,22 @@ func startArgsMore(t *testing.T, first, immediateTLS bool, serverConfig, clientC
switchStop := func() {}
if first {
switchStop = store.Switchboard()
// Add a deleted mailbox, may excercise some code paths.
err = acc.DB.Write(ctxbg, func(tx *bstore.Tx) error {
// todo: add a message to inbox and remove it again. need to change all uids in the tests.
// todo: add tests for operating on an expunged mailbox. it should say it doesn't exist.
mb, _, _, _, err := acc.MailboxCreate(tx, "expungebox", store.SpecialUse{})
if err != nil {
return fmt.Errorf("create mailbox: %v", err)
}
if _, _, err := acc.MailboxDelete(ctxbg, pkglog, tx, &mb); err != nil {
return fmt.Errorf("delete mailbox: %v", err)
}
return nil
})
tcheck(t, err, "add expunged mailbox")
}
if afterInit != nil {
@ -698,7 +727,7 @@ func TestMailboxDeleted(t *testing.T) {
defer tc.close()
tc2 := startNoSwitchboard(t)
defer tc2.close()
defer tc2.closeNoWait()
tc.client.Login("mjl@mox.example", password0)
tc2.client.Login("mjl@mox.example", password0)