2017-12-03 16:08:30 +02:00
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package imap
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import (
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"time"
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"github.com/emersion/go-imap"
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2018-01-08 00:38:13 +02:00
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"github.com/emersion/hydroxide/imap/database"
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"github.com/emersion/hydroxide/protonmail"
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2017-12-03 16:08:30 +02:00
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)
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2017-12-03 17:05:24 +02:00
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const delimiter = "/"
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2017-12-03 16:08:30 +02:00
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type mailbox struct {
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name string
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2017-12-03 17:05:24 +02:00
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label string
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flags []string
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2018-01-08 00:38:13 +02:00
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u *user
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db *database.Mailbox
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total, unread int
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2017-12-03 16:08:30 +02:00
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}
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func (mbox *mailbox) Name() string {
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return mbox.name
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}
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func (mbox *mailbox) Info() (*imap.MailboxInfo, error) {
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2017-12-03 17:05:24 +02:00
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return &imap.MailboxInfo{
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Attributes: append(mbox.flags, imap.NoInferiorsAttr),
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Delimiter: delimiter,
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Name: mbox.name,
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}, nil
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2017-12-03 16:08:30 +02:00
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}
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func (mbox *mailbox) Status(items []imap.StatusItem) (*imap.MailboxStatus, error) {
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2017-12-03 17:05:24 +02:00
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status := imap.NewMailboxStatus(mbox.name, items)
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status.Flags = mbox.flags
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status.PermanentFlags = []string{imap.SeenFlag, imap.AnsweredFlag, imap.FlaggedFlag, imap.DeletedFlag, imap.DraftFlag}
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status.UnseenSeqNum = 0 // TODO
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for _, name := range items {
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switch name {
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case imap.StatusMessages:
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2018-01-08 00:38:13 +02:00
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status.Messages = uint32(mbox.total)
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2017-12-03 17:05:24 +02:00
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case imap.StatusUidNext:
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2018-01-08 00:38:13 +02:00
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uidNext, err := mbox.db.UidNext()
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if err != nil {
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return nil, err
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}
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status.UidNext = uidNext
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2017-12-03 17:05:24 +02:00
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case imap.StatusUidValidity:
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status.UidValidity = 1
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case imap.StatusRecent:
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2018-01-08 00:38:13 +02:00
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status.Recent = 0
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2017-12-03 17:05:24 +02:00
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case imap.StatusUnseen:
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2018-01-08 00:38:13 +02:00
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status.Unseen = uint32(mbox.unread)
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2017-12-03 17:05:24 +02:00
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}
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}
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return status, nil
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2017-12-03 16:08:30 +02:00
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}
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func (mbox *mailbox) SetSubscribed(subscribed bool) error {
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return errNotYetImplemented // TODO
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}
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func (mbox *mailbox) Check() error {
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return nil
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}
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2018-01-08 00:38:13 +02:00
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func (mbox *mailbox) sync() error {
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filter := &protonmail.MessageFilter{
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PageSize: 150,
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Label: mbox.label,
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Sort: "ID",
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Asc: true,
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}
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total := -1
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for {
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offset := filter.PageSize * filter.Page
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if total >= 0 && offset > total {
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break
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}
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var page []*protonmail.Message
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var err error
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total, page, err = mbox.u.c.ListMessages(filter)
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if err != nil {
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return err
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}
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if err := mbox.db.Sync(page); err != nil {
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return err
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}
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filter.Page++
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}
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return nil
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}
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2018-01-09 14:13:40 +02:00
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func (mbox *mailbox) fetchMessage(isUid bool, id uint32, items []imap.FetchItem) (*imap.Message, error) {
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2018-01-08 00:38:13 +02:00
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var apiID string
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var err error
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if isUid {
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apiID, err = mbox.db.FromUid(id)
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} else {
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apiID, err = mbox.db.FromSeqNum(id)
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}
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if err != nil {
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return nil, err
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}
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seqNum, uid, err := mbox.db.FromApiID(apiID)
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if err != nil {
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return nil, err
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}
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msg, err := mbox.u.db.Message(apiID)
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if err != nil {
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return nil, err
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}
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fetched := imap.NewMessage(seqNum, items)
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for _, item := range items {
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switch item {
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case imap.FetchEnvelope:
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2018-01-09 14:13:40 +02:00
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fetched.Envelope = fetchEnvelope(msg)
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2018-01-08 00:38:13 +02:00
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case imap.FetchBody, imap.FetchBodyStructure:
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bs, err := mbox.fetchBodyStructure(msg, item == imap.FetchBodyStructure)
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2018-01-08 00:38:13 +02:00
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if err != nil {
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return nil, err
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}
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fetched.BodyStructure = bs
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case imap.FetchFlags:
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2018-01-09 14:13:40 +02:00
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fetched.Flags = fetchFlags(msg)
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2018-01-08 00:38:13 +02:00
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case imap.FetchInternalDate:
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fetched.InternalDate = time.Unix(msg.Time, 0)
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case imap.FetchRFC822Size:
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fetched.Size = uint32(msg.Size)
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case imap.FetchUid:
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fetched.Uid = uid
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default:
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section, err := imap.ParseBodySectionName(item)
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if err != nil {
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break
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}
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2018-01-09 14:13:40 +02:00
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l, err := mbox.fetchBodySection(msg, section)
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2018-01-08 00:38:13 +02:00
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if err != nil {
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return nil, err
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}
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fetched.Body[section] = l
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}
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}
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return fetched, nil
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}
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func (mbox *mailbox) ListMessages(uid bool, seqSet *imap.SeqSet, items []imap.FetchItem, ch chan<- *imap.Message) error {
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defer close(ch)
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for _, seq := range seqSet.Set {
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start := seq.Start
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if start == 0 {
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start = 1
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}
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stop := seq.Stop
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if stop == 0 {
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if uid {
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uidNext, err := mbox.db.UidNext()
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if err != nil {
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return err
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}
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stop = uidNext - 1
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} else {
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stop = uint32(mbox.total)
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}
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}
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for i := start; i <= stop; i++ {
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2018-01-09 14:13:40 +02:00
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msg, err := mbox.fetchMessage(uid, i, items)
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2018-01-08 00:38:13 +02:00
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if err != nil {
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return err
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}
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if msg != nil {
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ch <- msg
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}
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}
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}
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return nil
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2017-12-03 16:08:30 +02:00
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}
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func (mbox *mailbox) SearchMessages(uid bool, criteria *imap.SearchCriteria) ([]uint32, error) {
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return nil, errNotYetImplemented // TODO
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}
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func (mbox *mailbox) CreateMessage(flags []string, date time.Time, body imap.Literal) error {
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return errNotYetImplemented // TODO
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}
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2018-01-08 00:38:13 +02:00
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func (mbox *mailbox) UpdateMessagesFlags(uid bool, seqSet *imap.SeqSet, operation imap.FlagsOp, flags []string) error {
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2017-12-03 16:08:30 +02:00
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return errNotYetImplemented // TODO
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}
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2018-01-08 00:38:13 +02:00
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func (mbox *mailbox) CopyMessages(uid bool, seqSet *imap.SeqSet, dest string) error {
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2017-12-03 16:08:30 +02:00
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return errNotYetImplemented // TODO
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}
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func (mbox *mailbox) Expunge() error {
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return errNotYetImplemented // TODO
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}
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