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package jmap
import (
"fmt"
"io"
"strings"
"git.sr.ht/~rjarry/aerc/log"
"git.sr.ht/~rjarry/aerc/worker/types"
"git.sr.ht/~rockorager/go-jmap"
"git.sr.ht/~rockorager/go-jmap/mail/email"
"git.sr.ht/~rockorager/go-jmap/mail/emailsubmission"
"git.sr.ht/~rockorager/go-jmap/mail/mailbox"
"github.com/emersion/go-message/mail"
)
func (w *JMAPWorker) handleStartSend(msg *types.StartSendingMessage) error {
reader, writer := io.Pipe()
send := &jmapSendWriter{writer: writer, done: make(chan error)}
w.w.PostMessage(&types.MessageWriter{
Message: types.RespondTo(msg),
Writer: send,
}, nil)
go func() {
defer log.PanicHandler()
defer close(send.done)
identity, err := w.getSenderIdentity(msg.Header)
if err != nil {
send.done <- err
return
}
blob, err := w.Upload(reader)
if err != nil {
send.done <- err
return
}
var req jmap.Request
// Import the blob into drafts
req.Invoke(&email.Import{
Account: w.accountId,
Emails: map[string]*email.EmailImport{
"aerc": {
BlobID: blob.ID,
MailboxIDs: map[jmap.ID]bool{
w.roles[mailbox.RoleDrafts]: true,
},
Keywords: map[string]bool{
"$draft": true,
"$seen": true,
},
},
},
})
// Create the submission
req.Invoke(&emailsubmission.Set{
Account: w.accountId,
Create: map[jmap.ID]*emailsubmission.EmailSubmission{
"sub": {
IdentityID: identity,
EmailID: "#aerc",
},
},
OnSuccessUpdateEmail: map[jmap.ID]jmap.Patch{
"#sub": {
"keywords/$draft": nil,
w.rolePatch(mailbox.RoleSent): true,
w.rolePatch(mailbox.RoleDrafts): nil,
},
},
})
resp, err := w.Do(&req)
if err != nil {
send.done <- err
return
}
for _, inv := range resp.Responses {
switch r := inv.Args.(type) {
case *email.ImportResponse:
if err, ok := r.NotCreated["aerc"]; ok {
send.done <- wrapSetError(err)
return
}
case *emailsubmission.SetResponse:
if err, ok := r.NotCreated["sub"]; ok {
send.done <- wrapSetError(err)
return
}
case *jmap.MethodError:
send.done <- wrapMethodError(r)
return
}
}
}()
return nil
}
type jmapSendWriter struct {
writer *io.PipeWriter
done chan error
}
func (w *jmapSendWriter) Write(data []byte) (int, error) {
return w.writer.Write(data)
}
func (w *jmapSendWriter) Close() error {
writeErr := w.writer.Close()
sendErr := <-w.done
if writeErr != nil {
return writeErr
}
return sendErr
}
func (w *JMAPWorker) getSenderIdentity(header *mail.Header) (jmap.ID, error) {
from, err := header.AddressList("from")
if err != nil {
return "", fmt.Errorf("msg.Header.AddressList: %w", err)
}
if len(from) != 1 {
return "", fmt.Errorf("no from header in message")
}
name, domain, _ := strings.Cut(from[0].Address, "@")
for _, ident := range w.identities {
n, d, _ := strings.Cut(ident.Email, "@")
switch {
case n == name && d == domain:
fallthrough
case n == "*" && d == domain:
return ident.ID, nil
}
}
return "", fmt.Errorf("no identity found for address: %s@%s", name, domain)
}
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