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add per-account quota for total message size disk usage

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so a single user cannot fill up the disk.
by default, there is (still) no limit. a default can be set in the config file
for all accounts, and a per-account max size can be set that would override any
global setting.

this does not take into account disk usage of the index database. and also not
of any file system overhead.
This commit is contained in:
Mechiel Lukkien
2023-12-20 20:54:12 +01:00
parent e048d0962b
commit d73bda7511
28 changed files with 434 additions and 50 deletions
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17
import.go
View File

@ -282,7 +282,8 @@ func importctl(ctx context.Context, ctl *ctl, mbox bool) {
const sync = false
const notrain = true
const nothreads = true
err := a.DeliverMessage(ctl.log, tx, m, mf, sync, notrain, nothreads)
const updateDiskUsage = false
err := a.DeliverMessage(ctl.log, tx, m, mf, sync, notrain, nothreads, updateDiskUsage)
ctl.xcheck(err, "delivering message")
deliveredIDs = append(deliveredIDs, m.ID)
ctl.log.Debug("delivered message", slog.Int64("id", m.ID))
@ -313,9 +314,20 @@ func importctl(ctx context.Context, ctl *ctl, mbox bool) {
conf, _ := a.Conf()
maxSize := a.QuotaMessageSize()
var addSize int64
du := store.DiskUsage{ID: 1}
err = tx.Get(&du)
ctl.xcheck(err, "get disk usage")
process := func(m *store.Message, msgf *os.File, origPath string) {
defer store.CloseRemoveTempFile(ctl.log, msgf, "message to import")
addSize += m.Size
if maxSize > 0 && du.MessageSize+addSize > maxSize {
ctl.xcheck(fmt.Errorf("account over maximum total message size %d", maxSize), "checking quota")
}
for _, kw := range m.Keywords {
mailboxKeywords[kw] = true
}
@ -407,6 +419,9 @@ func importctl(ctx context.Context, ctl *ctl, mbox bool) {
ctl.xcheck(err, "updating message counts and keywords in mailbox")
changes = append(changes, mb.ChangeCounts())
err = a.AddMessageSize(ctl.log, tx, addSize)
xcheckf(err, "updating total message size")
err = tx.Commit()
ctl.xcheck(err, "commit")
tx = nil