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package configuration
import (
"fmt"
"net/mail"
"reflect"
"github.com/mitchellh/mapstructure"
)
// StringToMailAddressFunc decodes a string into a mail.Address.
func StringToMailAddressFunc() mapstructure.DecodeHookFunc {
return func(f reflect.Kind, t reflect.Kind, data interface{}) (value interface{}, err error) {
if f != reflect.String || t != reflect.TypeOf(mail.Address{}).Kind() {
return data, nil
}
dataStr := data.(string)
if dataStr == "" {
return mail.Address{}, nil
}
var (
mailAddress *mail.Address
)
mailAddress, err = mail.ParseAddress(dataStr)
if err != nil {
return nil, fmt.Errorf("could not parse '%s' as a RFC5322 address: %w", dataStr, err)
}
return *mailAddress, nil
}
}
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