This repository has been archived on 2023-12-27. You can view files and clone it, but cannot push or open issues or pull requests.
Files
2022-12-16 19:45:01 -08:00

94 lines
1.9 KiB
Go

package commands
import (
"errors"
"time"
"github.com/emersion/go-imap"
"github.com/emersion/go-imap/utf7"
)
// Append is an APPEND command, as defined in RFC 3501 section 6.3.11.
type Append struct {
Mailbox string
Flags []string
Date time.Time
Message imap.Literal
}
func (cmd *Append) Command() *imap.Command {
var args []interface{}
mailbox, _ := utf7.Encoding.NewEncoder().String(cmd.Mailbox)
args = append(args, imap.FormatMailboxName(mailbox))
if cmd.Flags != nil {
flags := make([]interface{}, len(cmd.Flags))
for i, flag := range cmd.Flags {
flags[i] = imap.RawString(flag)
}
args = append(args, flags)
}
if !cmd.Date.IsZero() {
args = append(args, cmd.Date)
}
args = append(args, cmd.Message)
return &imap.Command{
Name: "APPEND",
Arguments: args,
}
}
func (cmd *Append) Parse(fields []interface{}) (err error) {
if len(fields) < 2 {
return errors.New("No enough arguments")
}
// Parse mailbox name
if mailbox, err := imap.ParseString(fields[0]); err != nil {
return err
} else if mailbox, err = utf7.Encoding.NewDecoder().String(mailbox); err != nil {
return err
} else {
cmd.Mailbox = imap.CanonicalMailboxName(mailbox)
}
// Parse message literal
litIndex := len(fields) - 1
var ok bool
if cmd.Message, ok = fields[litIndex].(imap.Literal); !ok {
return errors.New("Message must be a literal")
}
// Remaining fields a optional
fields = fields[1:litIndex]
if len(fields) > 0 {
// Parse flags list
if flags, ok := fields[0].([]interface{}); ok {
if cmd.Flags, err = imap.ParseStringList(flags); err != nil {
return err
}
for i, flag := range cmd.Flags {
cmd.Flags[i] = imap.CanonicalFlag(flag)
}
fields = fields[1:]
}
// Parse date
if len(fields) > 0 {
if date, ok := fields[0].(string); !ok {
return errors.New("Date must be a string")
} else if cmd.Date, err = time.Parse(imap.DateTimeLayout, date); err != nil {
return err
}
}
}
return
}