Files
go-imap/imapserver/enable.go

47 lines
882 B
Go

package imapserver
import (
"github.com/emersion/go-imap/v2"
"github.com/emersion/go-imap/v2/internal/imapwire"
)
func (c *Conn) handleEnable(dec *imapwire.Decoder) error {
var requested []imap.Cap
for dec.SP() {
var c string
if !dec.ExpectAtom(&c) {
return dec.Err()
}
requested = append(requested, imap.Cap(c))
}
if !dec.ExpectCRLF() {
return dec.Err()
}
if err := c.checkState(imap.ConnStateAuthenticated); err != nil {
return err
}
var enabled []imap.Cap
for _, req := range requested {
switch req {
case imap.CapIMAP4rev2, imap.CapUTF8Accept:
enabled = append(enabled, req)
}
}
c.mutex.Lock()
for _, e := range enabled {
c.enabled[e] = struct{}{}
}
c.mutex.Unlock()
enc := newResponseEncoder(c)
defer enc.end()
enc.Atom("*").SP().Atom("ENABLED")
for _, c := range enabled {
enc.SP().Atom(string(c))
}
return enc.CRLF()
}