alps/imap.go

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package koushin
import (
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"fmt"
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"github.com/emersion/go-imap"
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imapclient "github.com/emersion/go-imap/client"
"github.com/emersion/go-message/charset"
)
func init() {
imap.CharsetReader = charset.Reader
}
func (s *Server) dialIMAP() (*imapclient.Client, error) {
var c *imapclient.Client
var err error
if s.imap.tls {
c, err = imapclient.DialTLS(s.imap.host, nil)
if err != nil {
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return nil, fmt.Errorf("failed to connect to IMAPS server: %v", err)
}
} else {
c, err = imapclient.Dial(s.imap.host)
if err != nil {
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return nil, fmt.Errorf("failed to connect to IMAP server: %v", err)
}
if !s.imap.insecure {
if err := c.StartTLS(nil); err != nil {
c.Close()
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return nil, fmt.Errorf("STARTTLS failed: %v", err)
}
}
}
return c, err
}