146 lines
3.6 KiB
Go
146 lines
3.6 KiB
Go
package imap
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import (
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"bufio"
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"github.com/emersion/go-imap"
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"github.com/emersion/go-message"
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"github.com/emersion/go-message/mail"
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"github.com/emersion/go-message/textproto"
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"git.sr.ht/~sircmpwn/aerc/models"
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"git.sr.ht/~sircmpwn/aerc/worker/types"
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)
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func (imapw *IMAPWorker) handleFetchMessageHeaders(
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msg *types.FetchMessageHeaders) {
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imapw.worker.Logger.Printf("Fetching message headers")
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section := &imap.BodySectionName{
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BodyPartName: imap.BodyPartName{
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Specifier: imap.HeaderSpecifier,
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},
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Peek: true,
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}
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items := []imap.FetchItem{
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imap.FetchBodyStructure,
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imap.FetchEnvelope,
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imap.FetchInternalDate,
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imap.FetchFlags,
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imap.FetchUid,
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section.FetchItem(),
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}
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imapw.handleFetchMessages(msg, &msg.Uids, items, section)
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}
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func (imapw *IMAPWorker) handleFetchMessageBodyPart(
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msg *types.FetchMessageBodyPart) {
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imapw.worker.Logger.Printf("Fetching message part")
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section := &imap.BodySectionName{}
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section.Path = msg.Part
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items := []imap.FetchItem{
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imap.FetchFlags,
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imap.FetchUid,
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section.FetchItem(),
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}
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uids := imap.SeqSet{}
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uids.AddNum(msg.Uid)
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imapw.handleFetchMessages(msg, &uids, items, section)
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}
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func (imapw *IMAPWorker) handleFetchFullMessages(
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msg *types.FetchFullMessages) {
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imapw.worker.Logger.Printf("Fetching full messages")
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section := &imap.BodySectionName{}
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items := []imap.FetchItem{
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imap.FetchFlags,
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imap.FetchUid,
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section.FetchItem(),
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}
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imapw.handleFetchMessages(msg, &msg.Uids, items, section)
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}
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func (imapw *IMAPWorker) handleFetchMessages(
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msg types.WorkerMessage, uids *imap.SeqSet, items []imap.FetchItem,
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section *imap.BodySectionName) {
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messages := make(chan *imap.Message)
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done := make(chan interface{})
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go func() {
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for _msg := range messages {
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imapw.seqMap[_msg.SeqNum-1] = _msg.Uid
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switch msg.(type) {
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case *types.FetchMessageHeaders:
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reader := _msg.GetBody(section)
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textprotoHeader, err := textproto.ReadHeader(bufio.NewReader(reader))
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var header *mail.Header
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if err == nil {
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header = &mail.Header{message.Header{textprotoHeader}}
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}
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imapw.worker.PostMessage(&types.MessageInfo{
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Message: types.RespondTo(msg),
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Info: &models.MessageInfo{
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BodyStructure: _msg.BodyStructure,
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Envelope: _msg.Envelope,
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Flags: _msg.Flags,
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InternalDate: _msg.InternalDate,
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RFC822Headers: header,
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Uid: _msg.Uid,
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},
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}, nil)
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case *types.FetchFullMessages:
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reader := _msg.GetBody(section)
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imapw.worker.PostMessage(&types.FullMessage{
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Message: types.RespondTo(msg),
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Content: &models.FullMessage{
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Reader: reader,
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Uid: _msg.Uid,
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},
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}, nil)
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// Update flags (to mark message as read)
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imapw.worker.PostMessage(&types.MessageInfo{
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Message: types.RespondTo(msg),
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Info: &models.MessageInfo{
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Flags: _msg.Flags,
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Uid: _msg.Uid,
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},
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}, nil)
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case *types.FetchMessageBodyPart:
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reader := _msg.GetBody(section)
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imapw.worker.PostMessage(&types.MessageBodyPart{
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Message: types.RespondTo(msg),
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Part: &models.MessageBodyPart{
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Reader: reader,
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Uid: _msg.Uid,
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},
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}, nil)
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// Update flags (to mark message as read)
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imapw.worker.PostMessage(&types.MessageInfo{
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Message: types.RespondTo(msg),
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Info: &models.MessageInfo{
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Flags: _msg.Flags,
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Uid: _msg.Uid,
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},
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}, nil)
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}
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}
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done <- nil
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}()
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if err := imapw.client.UidFetch(uids, items, messages); err != nil {
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imapw.worker.PostMessage(&types.Error{
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Message: types.RespondTo(msg),
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Error: err,
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}, nil)
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} else {
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<-done
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imapw.worker.PostMessage(
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&types.Done{types.RespondTo(msg)}, nil)
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}
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}
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